Mercurial > projects > dwt2
view org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Control.d @ 113:fb3aa8075988
D2 support for the linux port.
author | Jacob Carlborg <doob@me.com> |
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date | Wed, 06 Apr 2011 21:57:23 +0200 |
parents | 65761bc28ab2 |
children |
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/******************************************************************************* * Copyright (c) 2000, 2008 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module org.eclipse.swt.widgets.Control; import java.lang.all; import org.eclipse.swt.SWT; //import org.eclipse.swt.accessibility.Accessible; import org.eclipse.swt.events.ControlListener; import org.eclipse.swt.events.FocusListener; import org.eclipse.swt.events.HelpListener; import org.eclipse.swt.events.KeyListener; import org.eclipse.swt.events.MouseListener; import org.eclipse.swt.events.MouseMoveListener; import org.eclipse.swt.events.MouseTrackListener; import org.eclipse.swt.events.PaintListener; import org.eclipse.swt.events.TraverseListener; import org.eclipse.swt.events.DragDetectListener; import org.eclipse.swt.events.MenuDetectListener; import org.eclipse.swt.events.MouseWheelListener; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Cursor; import org.eclipse.swt.graphics.Device; import org.eclipse.swt.graphics.Drawable; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.GC; import org.eclipse.swt.graphics.GCData; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.graphics.Region; import org.eclipse.swt.internal.Converter; import org.eclipse.swt.internal.SWTEventListener; import org.eclipse.swt.internal.accessibility.gtk.ATK; import org.eclipse.swt.internal.gtk.OS; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Decorations; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.Monitor; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.TypedListener; import org.eclipse.swt.widgets.Widget; import org.eclipse.swt.accessibility.Accessible; import java.lang.Thread; /** * Control is the abstract superclass of all windowed user interface classes. * <p> * <dl> * <dt><b>Styles:</b> * <dd>BORDER</dd> * <dd>LEFT_TO_RIGHT, RIGHT_TO_LEFT</dd> * <dt><b>Events:</b> * <dd>DragDetect, FocusIn, FocusOut, Help, KeyDown, KeyUp, MenuDetect, MouseDoubleClick, MouseDown, MouseEnter, * MouseExit, MouseHover, MouseUp, MouseMove, Move, Paint, Resize, Traverse</dd> * </dl> * </p><p> * Only one of LEFT_TO_RIGHT or RIGHT_TO_LEFT may be specified. * </p><p> * IMPORTANT: This class is intended to be subclassed <em>only</em> * within the SWT implementation. * </p> * * @see <a href="http://www.eclipse.org/swt/snippets/#control">Control snippets</a> * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a> * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> */ public abstract class Control : Widget, Drawable { alias Widget.mnemonicHit mnemonicHit; alias Widget.mnemonicMatch mnemonicMatch; alias Widget.setForegroundColor setForegroundColor; alias Widget.translateTraversal translateTraversal; alias Widget.windowProc windowProc; GtkWidget* fixedHandle; GdkWindow* redrawWindow; GdkWindow* enableWindow; int drawCount; Composite parent; Cursor cursor; Menu menu; Image backgroundImage; Font font; Region region; String toolTipText; Object layoutData; Accessible accessible; this () { } /** * Constructs a new instance of this class given its parent * and a style value describing its behavior and appearance. * <p> * The style value is either one of the style constants defined in * class <code>SWT</code> which is applicable to instances of this * class, or must be built by <em>bitwise OR</em>'ing together * (that is, using the <code>int</code> "|" operator) two or more * of those <code>SWT</code> style constants. The class description * lists the style constants that are applicable to the class. * Style bits are also inherited from superclasses. * </p> * * @param parent a composite control which will be the parent of the new instance (cannot be null) * @param style the style of control to construct * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> * </ul> * * @see SWT#BORDER * @see Widget#checkSubclass * @see Widget#getStyle */ public this (Composite parent, int style) { super (parent, style); this.parent = parent; createWidget (0); } Font defaultFont () { return display.getSystemFont (); } override void deregister () { super.deregister (); if (fixedHandle !is null) display.removeWidget (fixedHandle); auto imHandle = imHandle (); if (imHandle !is null) display.removeWidget (cast(GtkWidget*)imHandle); } bool drawGripper (int x, int y, int width, int height, bool vertical) { auto paintHandle = paintHandle (); auto window = OS.GTK_WIDGET_WINDOW (paintHandle); if (window is null) return false; int orientation = vertical ? OS.GTK_ORIENTATION_HORIZONTAL : OS.GTK_ORIENTATION_VERTICAL; if ((style & SWT.MIRRORED) !is 0) x = getClientWidth () - width - x; char dummy; OS.gtk_paint_handle (OS.gtk_widget_get_style (paintHandle), window, OS.GTK_STATE_NORMAL, OS.GTK_SHADOW_OUT, null, paintHandle, &dummy, x, y, width, height, orientation); return true; } void enableWidget (bool enabled) { OS.gtk_widget_set_sensitive (handle, enabled); } GtkWidget* enterExitHandle () { return eventHandle (); } GtkWidget* eventHandle () { return handle; } GdkWindow* eventWindow () { auto eventHandle = eventHandle (); OS.gtk_widget_realize (eventHandle); return OS.GTK_WIDGET_WINDOW (eventHandle); } void fixFocus (Control focusControl) { Shell shell = getShell (); Control control = this; while (control !is shell && (control = control.parent) !is null) { if (control.setFocus ()) return; } shell.setSavedFocus (focusControl); auto focusHandle_ = shell.vboxHandle; OS.GTK_WIDGET_SET_FLAGS (focusHandle_, OS.GTK_CAN_FOCUS); OS.gtk_widget_grab_focus (focusHandle_); OS.GTK_WIDGET_UNSET_FLAGS (focusHandle_, OS.GTK_CAN_FOCUS); } public void fixStyle () { if (fixedHandle !is null) fixStyle (fixedHandle); } void fixStyle (GtkWidget* handle) { /* * Feature in GTK. Some GTK themes apply a different background to * the contents of a GtkNotebook. However, in an SWT TabFolder, the * children are not parented below the GtkNotebook widget, and usually * have their own GtkFixed. The fix is to look up the correct style * for a child of a GtkNotebook and apply its background to any GtkFixed * widgets that are direct children of an SWT TabFolder. * * Note that this has to be when the theme settings changes and that it * should not override the application background. */ if ((state & BACKGROUND) !is 0) return; auto childStyle = parent.childStyle (); if (childStyle !is null) { GdkColor color; OS.gtk_style_get_bg (childStyle, 0, &color); OS.gtk_widget_modify_bg (handle, 0, &color); } } GtkWidget* focusHandle () { return handle; } GtkWidget* fontHandle () { return handle; } bool hasFocus () { return this is display.getFocusControl(); } override void hookEvents () { /* Connect the keyboard signals */ auto focusHandle_ = focusHandle (); int focusMask = OS.GDK_KEY_PRESS_MASK | OS.GDK_KEY_RELEASE_MASK | OS.GDK_FOCUS_CHANGE_MASK; OS.gtk_widget_add_events (focusHandle_, focusMask); OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [POPUP_MENU], 0, display.closures [POPUP_MENU], false); OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [SHOW_HELP], 0, display.closures [SHOW_HELP], false); OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [KEY_PRESS_EVENT], 0, display.closures [KEY_PRESS_EVENT], false); OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [KEY_RELEASE_EVENT], 0, display.closures [KEY_RELEASE_EVENT], false); OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [FOCUS], 0, display.closures [FOCUS], false); OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [FOCUS_IN_EVENT], 0, display.closures [FOCUS_IN_EVENT], false); OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [FOCUS_OUT_EVENT], 0, display.closures [FOCUS_OUT_EVENT], false); /* Connect the mouse signals */ auto eventHandle = eventHandle (); int eventMask = OS.GDK_POINTER_MOTION_MASK | OS.GDK_BUTTON_PRESS_MASK | OS.GDK_BUTTON_RELEASE_MASK; OS.gtk_widget_add_events (eventHandle, eventMask); OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [BUTTON_PRESS_EVENT], 0, display.closures [BUTTON_PRESS_EVENT], false); OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [BUTTON_RELEASE_EVENT], 0, display.closures [BUTTON_RELEASE_EVENT], false); OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [MOTION_NOTIFY_EVENT], 0, display.closures [MOTION_NOTIFY_EVENT], false); OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [SCROLL_EVENT], 0, display.closures [SCROLL_EVENT], false); /* Connect enter/exit signals */ auto enterExitHandle = enterExitHandle (); int enterExitMask = OS.GDK_ENTER_NOTIFY_MASK | OS.GDK_LEAVE_NOTIFY_MASK; OS.gtk_widget_add_events (enterExitHandle, enterExitMask); OS.g_signal_connect_closure_by_id (enterExitHandle, display.signalIds [ENTER_NOTIFY_EVENT], 0, display.closures [ENTER_NOTIFY_EVENT], false); OS.g_signal_connect_closure_by_id (enterExitHandle, display.signalIds [LEAVE_NOTIFY_EVENT], 0, display.closures [LEAVE_NOTIFY_EVENT], false); /* * Feature in GTK. Events such as mouse move are propagate up * the widget hierarchy and are seen by the parent. This is the * correct GTK behavior but not correct for SWT. The fix is to * hook a signal after and stop the propagation using a negative * event number to distinguish this case. * * The signal is hooked to the fixedHandle to catch events sent to * lightweight widgets. */ auto blockHandle = fixedHandle !is null ? fixedHandle : eventHandle; OS.g_signal_connect_closure_by_id (blockHandle, display.signalIds [BUTTON_PRESS_EVENT], 0, display.closures [BUTTON_PRESS_EVENT_INVERSE], true); OS.g_signal_connect_closure_by_id (blockHandle, display.signalIds [BUTTON_RELEASE_EVENT], 0, display.closures [BUTTON_RELEASE_EVENT_INVERSE], true); OS.g_signal_connect_closure_by_id (blockHandle, display.signalIds [MOTION_NOTIFY_EVENT], 0, display.closures [MOTION_NOTIFY_EVENT_INVERSE], true); /* Connect the event_after signal for both key and mouse */ OS.g_signal_connect_closure_by_id (eventHandle, display.signalIds [EVENT_AFTER], 0, display.closures [EVENT_AFTER], false); if (focusHandle_ !is eventHandle) { OS.g_signal_connect_closure_by_id (focusHandle_, display.signalIds [EVENT_AFTER], 0, display.closures [EVENT_AFTER], false); } /* Connect the paint signal */ auto paintHandle = paintHandle (); int paintMask = OS.GDK_EXPOSURE_MASK | OS.GDK_VISIBILITY_NOTIFY_MASK; OS.gtk_widget_add_events (paintHandle, paintMask); OS.g_signal_connect_closure_by_id (paintHandle, display.signalIds [EXPOSE_EVENT], 0, display.closures [EXPOSE_EVENT_INVERSE], false); OS.g_signal_connect_closure_by_id (paintHandle, display.signalIds [VISIBILITY_NOTIFY_EVENT], 0, display.closures [VISIBILITY_NOTIFY_EVENT], false); OS.g_signal_connect_closure_by_id (paintHandle, display.signalIds [EXPOSE_EVENT], 0, display.closures [EXPOSE_EVENT], true); /* Connect the Input Method signals */ OS.g_signal_connect_closure_by_id (handle, display.signalIds [REALIZE], 0, display.closures [REALIZE], true); OS.g_signal_connect_closure_by_id (handle, display.signalIds [UNREALIZE], 0, display.closures [UNREALIZE], false); auto imHandle = imHandle (); if (imHandle !is null) { OS.g_signal_connect_closure (imHandle, OS.commit.ptr, display.closures [COMMIT], false); OS.g_signal_connect_closure (imHandle, OS.preedit_changed.ptr, display.closures [PREEDIT_CHANGED], false); } OS.g_signal_connect_closure_by_id (paintHandle, display.signalIds [STYLE_SET], 0, display.closures [STYLE_SET], false); auto topHandle_ = topHandle (); OS.g_signal_connect_closure_by_id (topHandle_, display.signalIds [MAP], 0, display.closures [MAP], true); } override int /*long*/ hoverProc (GtkWidget* widget) { int x, y; int mask; OS.gdk_window_get_pointer (null, &x, &y, &mask); sendMouseEvent (SWT.MouseHover, 0, /*time*/0, x , y , false, mask ); /* Always return zero in order to cancel the hover timer */ return 0; } override GtkWidget* topHandle() { if (fixedHandle !is null) return fixedHandle; return super.topHandle (); } GtkWidget* paintHandle () { auto topHandle_ = topHandle (); auto paintHandle = handle; while (paintHandle !is topHandle_) { if ((OS.GTK_WIDGET_FLAGS (paintHandle) & OS.GTK_NO_WINDOW) is 0) break; paintHandle = OS.gtk_widget_get_parent (paintHandle); } return paintHandle; } override GdkWindow* paintWindow () { auto paintHandle = paintHandle (); OS.gtk_widget_realize (paintHandle); return OS.GTK_WIDGET_WINDOW (paintHandle); } /** * Prints the receiver and all children. * * @param gc the gc where the drawing occurs * @return <code>true</code> if the operation was successful and <code>false</code> otherwise * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the gc is null</li> * <li>ERROR_INVALID_ARGUMENT - if the gc has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.4 */ public bool print (GC gc) { checkWidget (); if (gc is null) error (SWT.ERROR_NULL_ARGUMENT); if (gc.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); auto topHandle_ = topHandle (); OS.gtk_widget_realize (topHandle_); auto window = OS.GTK_WIDGET_WINDOW (topHandle_); GCData data = gc.getGCData (); OS.gdk_window_process_updates (window, cast(int)true); printWidget (gc, data.drawable, OS.gdk_drawable_get_depth (data.drawable), 0, 0); return true; } void printWidget (GC gc, GdkDrawable* drawable, int depth, int x, int y) { bool obscured = (state & OBSCURED) !is 0; state &= ~OBSCURED; auto topHandle_ = topHandle (); auto window = OS.GTK_WIDGET_WINDOW (topHandle_); printWindow (true, this, gc.handle, drawable, depth, window, x, y); if (obscured) state |= OBSCURED; } void printWindow (bool first, Control control, GdkGC* gc, GdkDrawable* drawable, int depth, GdkDrawable* window, int x, int y) { if (OS.gdk_drawable_get_depth (window) !is depth) return; GdkRectangle rect; int width, height; OS.gdk_drawable_get_size (window, &width, &height); rect.width = width; rect.height = height; OS.gdk_window_begin_paint_rect (window, &rect); GdkDrawable* real_drawable; int x_offset, y_offset; OS.gdk_window_get_internal_paint_info (window, &real_drawable, &x_offset, &y_offset); void* userData; OS.gdk_window_get_user_data (window, &userData); if (userData !is null) { GdkEventExpose* event = cast(GdkEventExpose*) OS.gdk_event_new (OS.GDK_EXPOSE); event.type = OS.GDK_EXPOSE; event.window = cast(GdkDrawable*)OS.g_object_ref (window); event.area.width = rect.width; event.area.height = rect.height; event.region = OS.gdk_region_rectangle (&rect); OS.gtk_widget_send_expose (userData, cast(GdkEvent*)event); OS.gdk_event_free (cast(GdkEvent*)event); } int srcX = x_offset, srcY = y_offset; int destX = x, destY = y, destWidth = width, destHeight = height; if (!first) { int cX, cY; OS.gdk_window_get_position (window, &cX, &cY); auto parentWindow = OS.gdk_window_get_parent (window); int pW, pH; OS.gdk_drawable_get_size (parentWindow, &pW, &pH); srcX = x_offset - cX; srcY = y_offset - cY; destX = x - cX; destY = y - cY; destWidth = Math.min (cX + width, pW); destHeight = Math.min (cY + height, pH); } OS.gdk_draw_drawable (drawable, gc, real_drawable, srcX, srcY, destX, destY, destWidth, destHeight); OS.gdk_window_end_paint (window); auto children = OS.gdk_window_get_children (window); if (children !is null) { auto windows = children; while (windows !is null) { auto child = cast(GdkDrawable*) OS.g_list_data (windows); if (OS.gdk_window_is_visible (child)) { void* data; OS.gdk_window_get_user_data (child, &data); if (data !is null) { Widget widget = display.findWidget ( cast(GtkWidget*) data); if (widget is null || widget is control) { int x_pos, y_pos; OS.gdk_window_get_position (child, &x_pos, &y_pos); printWindow (false, control, gc, drawable, depth, child, x + x_pos, y + y_pos); } } } windows = OS.g_list_next (windows); } OS.g_list_free (children); } } /** * Returns the preferred size of the receiver. * <p> * The <em>preferred size</em> of a control is the size that it would * best be displayed at. The width hint and height hint arguments * allow the caller to ask a control questions such as "Given a particular * width, how high does the control need to be to show all of the contents?" * To indicate that the caller does not wish to constrain a particular * dimension, the constant <code>SWT.DEFAULT</code> is passed for the hint. * </p> * * @param wHint the width hint (can be <code>SWT.DEFAULT</code>) * @param hHint the height hint (can be <code>SWT.DEFAULT</code>) * @return the preferred size of the control * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Layout * @see #getBorderWidth * @see #getBounds * @see #getSize * @see #pack(bool) * @see "computeTrim, getClientArea for controls that implement them" */ public Point computeSize (int wHint, int hHint) { return computeSize (wHint, hHint, true); } Control computeTabGroup () { if (isTabGroup()) return this; return parent.computeTabGroup (); } Control[] computeTabList() { if (isTabGroup()) { if (getVisible() && getEnabled()) { return [this]; } } return new Control[0]; } Control computeTabRoot () { Control[] tabList = parent._getTabList(); if (tabList !is null) { int index = 0; while (index < tabList.length) { if (tabList [index] is this) break; index++; } if (index is tabList.length) { if (isTabGroup ()) return this; } } return parent.computeTabRoot (); } void checkBuffered () { style |= SWT.DOUBLE_BUFFERED; } void checkBackground () { Shell shell = getShell (); if (this is shell) return; state &= ~PARENT_BACKGROUND; Composite composite = parent; do { int mode = composite.backgroundMode; if (mode !is SWT.INHERIT_NONE) { if (mode is SWT.INHERIT_DEFAULT) { Control control = this; do { if ((control.state & THEME_BACKGROUND) is 0) { return; } control = control.parent; } while (control !is composite); } state |= PARENT_BACKGROUND; return; } if (composite is shell) break; composite = composite.parent; } while (true); } void checkBorder () { if (getBorderWidth () is 0) style &= ~SWT.BORDER; } void checkMirrored () { if ((style & SWT.RIGHT_TO_LEFT) !is 0) style |= SWT.MIRRORED; } GtkStyle* childStyle () { return parent.childStyle (); } override void createWidget (int index) { state |= DRAG_DETECT; checkOrientation (parent); super.createWidget (index); checkBackground (); if ((state & PARENT_BACKGROUND) !is 0) setBackground (); checkBuffered (); showWidget (); setInitialBounds (); setZOrder (null, false, false); setRelations (); checkMirrored (); checkBorder (); } /** * Returns the preferred size of the receiver. * <p> * The <em>preferred size</em> of a control is the size that it would * best be displayed at. The width hint and height hint arguments * allow the caller to ask a control questions such as "Given a particular * width, how high does the control need to be to show all of the contents?" * To indicate that the caller does not wish to constrain a particular * dimension, the constant <code>SWT.DEFAULT</code> is passed for the hint. * </p><p> * If the changed flag is <code>true</code>, it indicates that the receiver's * <em>contents</em> have changed, therefore any caches that a layout manager * containing the control may have been keeping need to be flushed. When the * control is resized, the changed flag will be <code>false</code>, so layout * manager caches can be retained. * </p> * * @param wHint the width hint (can be <code>SWT.DEFAULT</code>) * @param hHint the height hint (can be <code>SWT.DEFAULT</code>) * @param changed <code>true</code> if the control's contents have changed, and <code>false</code> otherwise * @return the preferred size of the control. * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Layout * @see #getBorderWidth * @see #getBounds * @see #getSize * @see #pack(bool) * @see "computeTrim, getClientArea for controls that implement them" */ public Point computeSize (int wHint, int hHint, bool changed) { checkWidget(); if (wHint !is SWT.DEFAULT && wHint < 0) wHint = 0; if (hHint !is SWT.DEFAULT && hHint < 0) hHint = 0; return computeNativeSize (handle, wHint, hHint, changed); } Point computeNativeSize (GtkWidget* h, int wHint, int hHint, bool changed) { int width = wHint, height = hHint; if (wHint is SWT.DEFAULT && hHint is SWT.DEFAULT) { GtkRequisition requisition; gtk_widget_size_request (h, &requisition); width = OS.GTK_WIDGET_REQUISITION_WIDTH (h); height = OS.GTK_WIDGET_REQUISITION_HEIGHT (h); } else if (wHint is SWT.DEFAULT || hHint is SWT.DEFAULT) { int reqWidth, reqHeight; OS.gtk_widget_get_size_request (h, &reqWidth, &reqHeight); OS.gtk_widget_set_size_request (h, wHint, hHint); GtkRequisition requisition; gtk_widget_size_request (h, &requisition); OS.gtk_widget_set_size_request (h, reqWidth, reqHeight); width = wHint is SWT.DEFAULT ? requisition.width : wHint; height = hHint is SWT.DEFAULT ? requisition.height : hHint; } return new Point (width, height); } void forceResize () { /* * Force size allocation on all children of this widget's * topHandle. Note that all calls to gtk_widget_size_allocate() * must be preceded by a call to gtk_widget_size_request(). */ auto topHandle_ = topHandle (); GtkRequisition requisition; gtk_widget_size_request (topHandle_, &requisition); GtkAllocation allocation; allocation.x = OS.GTK_WIDGET_X (topHandle_); allocation.y = OS.GTK_WIDGET_Y (topHandle_); allocation.width = OS.GTK_WIDGET_WIDTH (topHandle_); allocation.height = OS.GTK_WIDGET_HEIGHT (topHandle_); OS.gtk_widget_size_allocate (topHandle_, &allocation); } /** * Returns the accessible object for the receiver. * If this is the first time this object is requested, * then the object is created and returned. * * @return the accessible object * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Accessible#addAccessibleListener * @see Accessible#addAccessibleControlListener * * @since 2.0 */ public Accessible getAccessible () { checkWidget (); if (accessible is null) { accessible = Accessible.internal_new_Accessible (this); } return accessible; } /** * Returns a rectangle describing the receiver's size and location * relative to its parent (or its display if its parent is null), * unless the receiver is a shell. In this case, the location is * relative to the display. * * @return the receiver's bounding rectangle * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public Rectangle getBounds () { checkWidget(); auto topHandle_ = topHandle (); int x = OS.GTK_WIDGET_X (topHandle_); int y = OS.GTK_WIDGET_Y (topHandle_); int width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); int height = (state & ZERO_HEIGHT) !is 0 ? 0 : OS.GTK_WIDGET_HEIGHT (topHandle_); if ((parent.style & SWT.MIRRORED) !is 0) x = parent.getClientWidth () - width - x; return new Rectangle (x, y, width, height); } /** * Sets the receiver's size and location to the rectangular * area specified by the argument. The <code>x</code> and * <code>y</code> fields of the rectangle are relative to * the receiver's parent (or its display if its parent is null). * <p> * Note: Attempting to set the width or height of the * receiver to a negative number will cause that * value to be set to zero instead. * </p> * * @param rect the new bounds for the receiver * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setBounds (Rectangle rect) { checkWidget (); if (rect is null) error (SWT.ERROR_NULL_ARGUMENT); setBounds (rect.x, rect.y, Math.max (0, rect.width), Math.max (0, rect.height), true, true); } /** * Sets the receiver's size and location to the rectangular * area specified by the arguments. The <code>x</code> and * <code>y</code> arguments are relative to the receiver's * parent (or its display if its parent is null), unless * the receiver is a shell. In this case, the <code>x</code> * and <code>y</code> arguments are relative to the display. * <p> * Note: Attempting to set the width or height of the * receiver to a negative number will cause that * value to be set to zero instead. * </p> * * @param x the new x coordinate for the receiver * @param y the new y coordinate for the receiver * @param width the new width for the receiver * @param height the new height for the receiver * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setBounds (int x, int y, int width, int height) { checkWidget(); setBounds (x, y, Math.max (0, width), Math.max (0, height), true, true); } void markLayout (bool changed, bool all) { /* Do nothing */ } override void modifyStyle (GtkWidget* handle, GtkRcStyle* style) { super.modifyStyle(handle, style); /* * Bug in GTK. When changing the style of a control that * has had a region set on it, the region is lost. The * fix is to set the region again. */ if (region !is null) OS.gdk_window_shape_combine_region (OS.GTK_WIDGET_WINDOW (topHandle ()), region.handle, 0, 0); } void moveHandle (int x, int y) { auto topHandle_ = topHandle (); auto parentHandle = parent.parentingHandle (); /* * Feature in GTK. Calling gtk_fixed_move() to move a child causes * the whole parent to redraw. This is a performance problem. The * fix is temporarily make the parent not visible during the move. * * NOTE: Because every widget in SWT has an X window, the new and * old bounds of the child are correctly redrawn. */ int flags = OS.GTK_WIDGET_FLAGS (parentHandle); OS.GTK_WIDGET_UNSET_FLAGS (parentHandle, OS.GTK_VISIBLE); OS.gtk_fixed_move (cast(GtkFixed*)parentHandle, topHandle_, x, y); if ((flags & OS.GTK_VISIBLE) !is 0) { OS.GTK_WIDGET_SET_FLAGS (parentHandle, OS.GTK_VISIBLE); } } void resizeHandle (int width, int height) { auto topHandle_ = topHandle (); OS.gtk_widget_set_size_request (topHandle_, width, height); if (topHandle_ !is handle) OS.gtk_widget_set_size_request (handle, width, height); } int setBounds (int x, int y, int width, int height, bool move, bool resize) { auto topHandle_ = topHandle (); bool sendMove = move; if ((parent.style & SWT.MIRRORED) !is 0) { int clientWidth = parent.getClientWidth (); int oldWidth = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); int oldX = clientWidth - oldWidth - OS.GTK_WIDGET_X (topHandle_); if (move) { sendMove &= x !is oldX; x = clientWidth - (resize ? width : oldWidth) - x; } else { move = true; x = clientWidth - (resize ? width : oldWidth) - oldX; y = OS.GTK_WIDGET_Y (topHandle_); } } bool sameOrigin = true, sameExtent = true; if (move) { int oldX = OS.GTK_WIDGET_X (topHandle_); int oldY = OS.GTK_WIDGET_Y (topHandle_); sameOrigin = x is oldX && y is oldY; if (!sameOrigin) { if (enableWindow !is null) { OS.gdk_window_move (enableWindow, x, y); } moveHandle (x, y); } } int clientWidth = 0; if (resize) { int oldWidth = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); int oldHeight = (state & ZERO_HEIGHT) !is 0 ? 0 : OS.GTK_WIDGET_HEIGHT (topHandle_); sameExtent = width is oldWidth && height is oldHeight; if (!sameExtent && (style & SWT.MIRRORED) !is 0) clientWidth = getClientWidth (); if (!sameExtent && !(width is 0 && height is 0)) { int newWidth = Math.max (1, width); int newHeight = Math.max (1, height); if (redrawWindow !is null) { OS.gdk_window_resize (redrawWindow, newWidth, newHeight); } if (enableWindow !is null) { OS.gdk_window_resize (enableWindow, newWidth, newHeight); } resizeHandle (newWidth, newHeight); } } if (!sameOrigin || !sameExtent) { /* * Cause a size allocation this widget's topHandle. Note that * all calls to gtk_widget_size_allocate() must be preceded by * a call to gtk_widget_size_request(). */ GtkRequisition requisition; gtk_widget_size_request (topHandle_, &requisition); GtkAllocation allocation; if (move) { allocation.x = x; allocation.y = y; } else { allocation.x = OS.GTK_WIDGET_X (topHandle_); allocation.y = OS.GTK_WIDGET_Y (topHandle_); } if (resize) { allocation.width = width; allocation.height = height; } else { allocation.width = OS.GTK_WIDGET_WIDTH (topHandle_); allocation.height = OS.GTK_WIDGET_HEIGHT (topHandle_); } OS.gtk_widget_size_allocate (topHandle_, &allocation); } /* * Bug in GTK. Widgets cannot be sized smaller than 1x1. * The fix is to hide zero-sized widgets and show them again * when they are resized larger. */ if (!sameExtent) { state = (width is 0) ? state | ZERO_WIDTH : state & ~ZERO_WIDTH; state = (height is 0) ? state | ZERO_HEIGHT : state & ~ZERO_HEIGHT; if ((state & (ZERO_WIDTH | ZERO_HEIGHT)) !is 0) { if (enableWindow !is null) { OS.gdk_window_hide (enableWindow); } OS.gtk_widget_hide (topHandle_); } else { if ((state & HIDDEN) is 0) { if (enableWindow !is null) { OS.gdk_window_show_unraised (enableWindow); } OS.gtk_widget_show (topHandle_); } } if ((style & SWT.MIRRORED) !is 0) moveChildren (clientWidth); } int result = 0; if (move && !sameOrigin) { Control control = findBackgroundControl (); if (control !is null && control.backgroundImage !is null) { if (isVisible ()) redrawWidget (0, 0, 0, 0, true, true, true); } if (sendMove) sendEvent (SWT.Move); result |= MOVED; } if (resize && !sameExtent) { sendEvent (SWT.Resize); result |= RESIZED; } return result; } /** * Returns a point describing the receiver's location relative * to its parent (or its display if its parent is null), unless * the receiver is a shell. In this case, the point is * relative to the display. * * @return the receiver's location * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public Point getLocation () { checkWidget(); auto topHandle_ = topHandle (); int x = OS.GTK_WIDGET_X (topHandle_); int y = OS.GTK_WIDGET_Y (topHandle_); if ((parent.style & SWT.MIRRORED) !is 0) { int width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); x = parent.getClientWidth () - width - x; } return new Point (x, y); } /** * Sets the receiver's location to the point specified by * the arguments which are relative to the receiver's * parent (or its display if its parent is null), unless * the receiver is a shell. In this case, the point is * relative to the display. * * @param location the new location for the receiver * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setLocation (Point location) { checkWidget (); if (location is null) error (SWT.ERROR_NULL_ARGUMENT); setBounds (location.x, location.y, 0, 0, true, false); } /** * Sets the receiver's location to the point specified by * the arguments which are relative to the receiver's * parent (or its display if its parent is null), unless * the receiver is a shell. In this case, the point is * relative to the display. * * @param x the new x coordinate for the receiver * @param y the new y coordinate for the receiver * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setLocation(int x, int y) { checkWidget(); setBounds (x, y, 0, 0, true, false); } /** * Returns a point describing the receiver's size. The * x coordinate of the result is the width of the receiver. * The y coordinate of the result is the height of the * receiver. * * @return the receiver's size * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public Point getSize () { checkWidget(); auto topHandle_ = topHandle (); int width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); int height = (state & ZERO_HEIGHT) !is 0 ? 0 : OS.GTK_WIDGET_HEIGHT (topHandle_); return new Point (width, height); } /** * Sets the receiver's size to the point specified by the argument. * <p> * Note: Attempting to set the width or height of the * receiver to a negative number will cause them to be * set to zero instead. * </p> * * @param size the new size for the receiver * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the point is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setSize (Point size) { checkWidget (); if (size is null) error (SWT.ERROR_NULL_ARGUMENT); setBounds (0, 0, Math.max (0, size.x), Math.max (0, size.y), false, true); } /** * Sets the shape of the control to the region specified * by the argument. When the argument is null, the * default shape of the control is restored. * * @param region the region that defines the shape of the control (or null) * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the region has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.4 */ public void setRegion (Region region) { checkWidget (); if (region !is null && region.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); auto window = OS.GTK_WIDGET_WINDOW (topHandle ()); auto shape_region = (region is null) ? null : region.handle; OS.gdk_window_shape_combine_region (window, shape_region, 0, 0); this.region = region; } void setRelations () { auto parentHandle = parent.parentingHandle (); auto list = OS.gtk_container_get_children (cast(GtkContainer*)parentHandle); if (list is null) return; int count = OS.g_list_length (list); if (count > 1) { /* * the receiver is the last item in the list, so its predecessor will * be the second-last item in the list */ auto handle = cast(GtkWidget*) OS.g_list_nth_data (list, count - 2); if (handle !is null) { Widget widget = display.getWidget (handle); if (widget !is null && widget !is this) { if (auto sibling = cast(Control)widget ) { sibling.addRelation (this); } } } } OS.g_list_free (list); } /** * Sets the receiver's size to the point specified by the arguments. * <p> * Note: Attempting to set the width or height of the * receiver to a negative number will cause that * value to be set to zero instead. * </p> * * @param width the new width for the receiver * @param height the new height for the receiver * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setSize (int width, int height) { checkWidget(); setBounds (0, 0, Math.max (0, width), Math.max (0, height), false, true); } /* * Answers a bool indicating whether a Label that precedes the receiver in * a layout should be read by screen readers as the recevier's label. */ bool isDescribedByLabel () { return true; } bool isFocusHandle (GtkWidget* widget) { return widget is focusHandle (); } /** * Moves the receiver above the specified control in the * drawing order. If the argument is null, then the receiver * is moved to the top of the drawing order. The control at * the top of the drawing order will not be covered by other * controls even if they occupy intersecting areas. * * @param control the sibling control (or null) * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Control#moveBelow * @see Composite#getChildren */ public void moveAbove (Control control) { checkWidget(); if (control !is null) { if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); if (parent !is control.parent) return; } setZOrder (control, true, true); } /** * Moves the receiver below the specified control in the * drawing order. If the argument is null, then the receiver * is moved to the bottom of the drawing order. The control at * the bottom of the drawing order will be covered by all other * controls which occupy intersecting areas. * * @param control the sibling control (or null) * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see Control#moveAbove * @see Composite#getChildren */ public void moveBelow (Control control) { checkWidget(); if (control !is null) { if (control.isDisposed ()) error(SWT.ERROR_INVALID_ARGUMENT); if (parent !is control.parent) return; } setZOrder (control, false, true); } void moveChildren (int oldWidth) { } /** * Causes the receiver to be resized to its preferred size. * For a composite, this involves computing the preferred size * from its layout, if there is one. * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #computeSize(int, int, bool) */ public void pack () { pack (true); } /** * Causes the receiver to be resized to its preferred size. * For a composite, this involves computing the preferred size * from its layout, if there is one. * <p> * If the changed flag is <code>true</code>, it indicates that the receiver's * <em>contents</em> have changed, therefore any caches that a layout manager * containing the control may have been keeping need to be flushed. When the * control is resized, the changed flag will be <code>false</code>, so layout * manager caches can be retained. * </p> * * @param changed whether or not the receiver's contents have changed * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #computeSize(int, int, bool) */ public void pack (bool changed) { setSize (computeSize (SWT.DEFAULT, SWT.DEFAULT, changed)); } /** * Sets the layout data associated with the receiver to the argument. * * @param layoutData the new layout data for the receiver. * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setLayoutData (Object layoutData) { checkWidget(); this.layoutData = layoutData; } /** * Returns a point which is the result of converting the * argument, which is specified in display relative coordinates, * to coordinates relative to the receiver. * <p> * @param x the x coordinate to be translated * @param y the y coordinate to be translated * @return the translated coordinates * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 2.1 */ public Point toControl (int x, int y) { checkWidget (); auto window = eventWindow (); int origin_x, origin_y; OS.gdk_window_get_origin (window, &origin_x, &origin_y); x -= origin_x ; y -= origin_y ; if ((style & SWT.MIRRORED) !is 0) x = getClientWidth () - x; return new Point (x, y); } /** * Returns a point which is the result of converting the * argument, which is specified in display relative coordinates, * to coordinates relative to the receiver. * <p> * @param point the point to be translated (must not be null) * @return the translated coordinates * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the point is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public Point toControl (Point point) { checkWidget (); if (point is null) error (SWT.ERROR_NULL_ARGUMENT); return toControl (point.x, point.y); } /** * Returns a point which is the result of converting the * argument, which is specified in coordinates relative to * the receiver, to display relative coordinates. * <p> * @param x the x coordinate to be translated * @param y the y coordinate to be translated * @return the translated coordinates * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 2.1 */ public Point toDisplay (int x, int y) { checkWidget(); auto window = eventWindow (); int origin_x, origin_y; OS.gdk_window_get_origin (window, &origin_x, &origin_y); if ((style & SWT.MIRRORED) !is 0) x = getClientWidth () - x; x += origin_x ; y += origin_y ; return new Point (x, y); } /** * Returns a point which is the result of converting the * argument, which is specified in coordinates relative to * the receiver, to display relative coordinates. * <p> * @param point the point to be translated (must not be null) * @return the translated coordinates * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the point is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public Point toDisplay (Point point) { checkWidget(); if (point is null) error (SWT.ERROR_NULL_ARGUMENT); return toDisplay (point.x, point.y); } /** * Adds the listener to the collection of listeners who will * be notified when the control is moved or resized, by sending * it one of the messages defined in the <code>ControlListener</code> * interface. * * @param listener the listener which should be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see ControlListener * @see #removeControlListener */ public void addControlListener(ControlListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (SWT.Resize,typedListener); addListener (SWT.Move,typedListener); } /** * Adds the listener to the collection of listeners who will * be notified when a drag gesture occurs, by sending it * one of the messages defined in the <code>DragDetectListener</code> * interface. * * @param listener the listener which should be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see DragDetectListener * @see #removeDragDetectListener * * @since 3.3 */ public void addDragDetectListener (DragDetectListener listener) { checkWidget (); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (SWT.DragDetect,typedListener); } /** * Adds the listener to the collection of listeners who will * be notified when the control gains or loses focus, by sending * it one of the messages defined in the <code>FocusListener</code> * interface. * * @param listener the listener which should be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see FocusListener * @see #removeFocusListener */ public void addFocusListener(FocusListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener(SWT.FocusIn,typedListener); addListener(SWT.FocusOut,typedListener); } /** * Adds the listener to the collection of listeners who will * be notified when help events are generated for the control, * by sending it one of the messages defined in the * <code>HelpListener</code> interface. * * @param listener the listener which should be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see HelpListener * @see #removeHelpListener */ public void addHelpListener (HelpListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (SWT.Help, typedListener); } /** * Adds the listener to the collection of listeners who will * be notified when keys are pressed and released on the system keyboard, by sending * it one of the messages defined in the <code>KeyListener</code> * interface. * <p> * When a key listener is added to a control, the control * will take part in widget traversal. By default, all * traversal keys (such as the tab key and so on) are * delivered to the control. In order for a control to take * part in traversal, it should listen for traversal events. * Otherwise, the user can traverse into a control but not * out. Note that native controls such as table and tree * implement key traversal in the operating system. It is * not necessary to add traversal listeners for these controls, * unless you want to override the default traversal. * </p> * @param listener the listener which should be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see KeyListener * @see #removeKeyListener */ public void addKeyListener(KeyListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener(SWT.KeyUp,typedListener); addListener(SWT.KeyDown,typedListener); } /** * Adds the listener to the collection of listeners who will * be notified when the platform-specific context menu trigger * has occurred, by sending it one of the messages defined in * the <code>MenuDetectListener</code> interface. * * @param listener the listener which should be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see MenuDetectListener * @see #removeMenuDetectListener * * @since 3.3 */ public void addMenuDetectListener (MenuDetectListener listener) { checkWidget (); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (SWT.MenuDetect, typedListener); } /** * Adds the listener to the collection of listeners who will * be notified when mouse buttons are pressed and released, by sending * it one of the messages defined in the <code>MouseListener</code> * interface. * * @param listener the listener which should be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see MouseListener * @see #removeMouseListener */ public void addMouseListener(MouseListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener(SWT.MouseDown,typedListener); addListener(SWT.MouseUp,typedListener); addListener(SWT.MouseDoubleClick,typedListener); } /** * Adds the listener to the collection of listeners who will * be notified when the mouse moves, by sending it one of the * messages defined in the <code>MouseMoveListener</code> * interface. * * @param listener the listener which should be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see MouseMoveListener * @see #removeMouseMoveListener */ public void addMouseMoveListener(MouseMoveListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener(SWT.MouseMove,typedListener); } /** * Adds the listener to the collection of listeners who will * be notified when the mouse passes or hovers over controls, by sending * it one of the messages defined in the <code>MouseTrackListener</code> * interface. * * @param listener the listener which should be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see MouseTrackListener * @see #removeMouseTrackListener */ public void addMouseTrackListener (MouseTrackListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (SWT.MouseEnter,typedListener); addListener (SWT.MouseExit,typedListener); addListener (SWT.MouseHover,typedListener); } /** * Adds the listener to the collection of listeners who will * be notified when the mouse wheel is scrolled, by sending * it one of the messages defined in the * <code>MouseWheelListener</code> interface. * * @param listener the listener which should be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see MouseWheelListener * @see #removeMouseWheelListener * * @since 3.3 */ public void addMouseWheelListener (MouseWheelListener listener) { checkWidget (); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (SWT.MouseWheel, typedListener); } /** * Adds the listener to the collection of listeners who will * be notified when the receiver needs to be painted, by sending it * one of the messages defined in the <code>PaintListener</code> * interface. * * @param listener the listener which should be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see PaintListener * @see #removePaintListener */ public void addPaintListener(PaintListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener(SWT.Paint,typedListener); } void addRelation (Control control) { } /** * Adds the listener to the collection of listeners who will * be notified when traversal events occur, by sending it * one of the messages defined in the <code>TraverseListener</code> * interface. * * @param listener the listener which should be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see TraverseListener * @see #removeTraverseListener */ public void addTraverseListener (TraverseListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (SWT.Traverse,typedListener); } /** * Removes the listener from the collection of listeners who will * be notified when the control is moved or resized. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see ControlListener * @see #addControlListener */ public void removeControlListener (ControlListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.Move, listener); eventTable.unhook (SWT.Resize, listener); } /** * Removes the listener from the collection of listeners who will * be notified when a drag gesture occurs. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see DragDetectListener * @see #addDragDetectListener * * @since 3.3 */ public void removeDragDetectListener(DragDetectListener listener) { checkWidget (); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.DragDetect, listener); } /** * Removes the listener from the collection of listeners who will * be notified when the control gains or loses focus. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see FocusListener * @see #addFocusListener */ public void removeFocusListener(FocusListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.FocusIn, listener); eventTable.unhook (SWT.FocusOut, listener); } /** * Removes the listener from the collection of listeners who will * be notified when the help events are generated for the control. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see HelpListener * @see #addHelpListener */ public void removeHelpListener (HelpListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.Help, listener); } /** * Removes the listener from the collection of listeners who will * be notified when keys are pressed and released on the system keyboard. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see KeyListener * @see #addKeyListener */ public void removeKeyListener(KeyListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.KeyUp, listener); eventTable.unhook (SWT.KeyDown, listener); } /** * Removes the listener from the collection of listeners who will * be notified when the platform-specific context menu trigger has * occurred. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see MenuDetectListener * @see #addMenuDetectListener * * @since 3.3 */ public void removeMenuDetectListener (MenuDetectListener listener) { checkWidget (); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.MenuDetect, listener); } /** * Removes the listener from the collection of listeners who will * be notified when mouse buttons are pressed and released. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see MouseListener * @see #addMouseListener */ public void removeMouseListener (MouseListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.MouseDown, listener); eventTable.unhook (SWT.MouseUp, listener); eventTable.unhook (SWT.MouseDoubleClick, listener); } /** * Removes the listener from the collection of listeners who will * be notified when the mouse moves. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see MouseMoveListener * @see #addMouseMoveListener */ public void removeMouseMoveListener(MouseMoveListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.MouseMove, listener); } /** * Removes the listener from the collection of listeners who will * be notified when the mouse passes or hovers over controls. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see MouseTrackListener * @see #addMouseTrackListener */ public void removeMouseTrackListener(MouseTrackListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.MouseEnter, listener); eventTable.unhook (SWT.MouseExit, listener); eventTable.unhook (SWT.MouseHover, listener); } /** * Removes the listener from the collection of listeners who will * be notified when the mouse wheel is scrolled. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see MouseWheelListener * @see #addMouseWheelListener * * @since 3.3 */ public void removeMouseWheelListener (MouseWheelListener listener) { checkWidget (); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.MouseWheel, listener); } /** * Removes the listener from the collection of listeners who will * be notified when the receiver needs to be painted. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see PaintListener * @see #addPaintListener */ public void removePaintListener(PaintListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook(SWT.Paint, listener); } /* * Remove "Labelled by" relations from the receiver. */ void removeRelation () { if (!isDescribedByLabel ()) return; /* there will not be any */ auto accessible = OS.gtk_widget_get_accessible (handle); if (accessible is null) return; auto set = ATK.atk_object_ref_relation_set (accessible); int count = ATK.atk_relation_set_get_n_relations (set); for (int i = 0; i < count; i++) { auto relation = ATK.atk_relation_set_get_relation (set, 0); ATK.atk_relation_set_remove (set, relation); } OS.g_object_unref (set); } /** * Removes the listener from the collection of listeners who will * be notified when traversal events occur. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see TraverseListener * @see #addTraverseListener */ public void removeTraverseListener(TraverseListener listener) { checkWidget (); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.Traverse, listener); } /** * Detects a drag and drop gesture. This method is used * to detect a drag gesture when called from within a mouse * down listener. * * <p>By default, a drag is detected when the gesture * occurs anywhere within the client area of a control. * Some controls, such as tables and trees, override this * behavior. In addition to the operating system specific * drag gesture, they require the mouse to be inside an * item. Custom widget writers can use <code>setDragDetect</code> * to disable the default detection, listen for mouse down, * and then call <code>dragDetect()</code> from within the * listener to conditionally detect a drag. * </p> * * @param event the mouse down event * * @return <code>true</code> if the gesture occurred, and <code>false</code> otherwise. * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT when the event is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see DragDetectListener * @see #addDragDetectListener * * @see #getDragDetect * @see #setDragDetect * * @since 3.3 */ public bool dragDetect (Event event) { checkWidget (); if (event is null) error (SWT.ERROR_NULL_ARGUMENT); return dragDetect (event.button, event.count, event.stateMask, event.x, event.y); } /** * Detects a drag and drop gesture. This method is used * to detect a drag gesture when called from within a mouse * down listener. * * <p>By default, a drag is detected when the gesture * occurs anywhere within the client area of a control. * Some controls, such as tables and trees, override this * behavior. In addition to the operating system specific * drag gesture, they require the mouse to be inside an * item. Custom widget writers can use <code>setDragDetect</code> * to disable the default detection, listen for mouse down, * and then call <code>dragDetect()</code> from within the * listener to conditionally detect a drag. * </p> * * @param event the mouse down event * * @return <code>true</code> if the gesture occurred, and <code>false</code> otherwise. * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT when the event is null</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see DragDetectListener * @see #addDragDetectListener * * @see #getDragDetect * @see #setDragDetect * * @since 3.3 */ public bool dragDetect (MouseEvent event) { checkWidget (); if (event is null) error (SWT.ERROR_NULL_ARGUMENT); return dragDetect (event.button, event.count, event.stateMask, event.x, event.y); } bool dragDetect (int button, int count, int stateMask, int x, int y) { if (button !is 1 || count !is 1) return false; if (!dragDetect (x, y, false, null)) return false; return sendDragEvent (button, stateMask, x, y, true); } bool dragDetect (int x, int y, bool filter, bool* consume) { bool quit = false, dragging = false; while (!quit) { GdkEvent* eventPtr; while (true) { eventPtr = OS.gdk_event_get (); if (eventPtr !is null) { break; } else { try {Thread.sleep(50);} catch (Exception ex) {} } } switch (cast(int)OS.GDK_EVENT_TYPE (eventPtr)) { case OS.GDK_MOTION_NOTIFY: { GdkEventMotion* gdkMotionEvent = cast(GdkEventMotion*)eventPtr; if ((gdkMotionEvent.state & OS.GDK_BUTTON1_MASK) !is 0) { if (OS.gtk_drag_check_threshold (handle, x, y, cast(int) gdkMotionEvent.x, cast(int) gdkMotionEvent.y)) { dragging = true; quit = true; } } else { quit = true; } int newX, newY; OS.gdk_window_get_pointer (gdkMotionEvent.window, &newX, &newY, null); break; } case OS.GDK_KEY_PRESS: case OS.GDK_KEY_RELEASE: { GdkEventKey* gdkEvent = cast(GdkEventKey*)eventPtr; if (gdkEvent.keyval is OS.GDK_Escape) quit = true; break; } case OS.GDK_BUTTON_RELEASE: case OS.GDK_BUTTON_PRESS: case OS.GDK_2BUTTON_PRESS: case OS.GDK_3BUTTON_PRESS: { OS.gdk_event_put (eventPtr); quit = true; break; } default: OS.gtk_main_do_event (eventPtr); } OS.gdk_event_free (eventPtr); } return dragging; } bool filterKey (int keyval, GdkEventKey* event) { auto imHandle = imHandle (); if (imHandle !is null) { return cast(bool)OS.gtk_im_context_filter_keypress (imHandle, event); } return false; } Control findBackgroundControl () { if ((state & BACKGROUND) !is 0 || backgroundImage !is null) return this; return (state & PARENT_BACKGROUND) !is 0 ? parent.findBackgroundControl () : null; } Menu [] findMenus (Control control) { if (menu !is null && this !is control) return [menu]; return new Menu [0]; } void fixChildren (Shell newShell, Shell oldShell, Decorations newDecorations, Decorations oldDecorations, Menu [] menus) { oldShell.fixShell (newShell, this); oldDecorations.fixDecorations (newDecorations, this, menus); } override int /*long*/ fixedMapProc (GtkWidget* widget) { OS.GTK_WIDGET_SET_FLAGS (widget, OS.GTK_MAPPED); auto widgetList = OS.gtk_container_get_children (cast(GtkContainer*)widget); if (widgetList !is null) { auto widgets = widgetList; while (widgets !is null) { auto child = cast(GtkWidget*)OS.g_list_data (widgets); if (OS.GTK_WIDGET_VISIBLE (child) && OS.gtk_widget_get_child_visible (child) && !OS.GTK_WIDGET_MAPPED (child)) { OS.gtk_widget_map (child); } widgets = cast(GList*)OS.g_list_next (widgets); } OS.g_list_free (widgetList); } if ((OS.GTK_WIDGET_FLAGS (widget) & OS.GTK_NO_WINDOW) is 0) { OS.gdk_window_show_unraised (OS.GTK_WIDGET_WINDOW (widget)); } return 0; } void fixModal(GtkWidget* group, GtkWidget* modalGroup) { } /** * Forces the receiver to have the <em>keyboard focus</em>, causing * all keyboard events to be delivered to it. * * @return <code>true</code> if the control got focus, and <code>false</code> if it was unable to. * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #setFocus */ public bool forceFocus () { checkWidget(); if (display.focusEvent is SWT.FocusOut) return false; Shell shell = getShell (); shell.setSavedFocus (this); if (!isEnabled () || !isVisible ()) return false; shell.bringToTop (false); return forceFocus (focusHandle ()); } bool forceFocus (GtkWidget* focusHandle_) { /* When the control is zero sized it must be realized */ OS.gtk_widget_realize (focusHandle_); OS.gtk_widget_grab_focus (focusHandle_); Shell shell = getShell (); auto shellHandle = shell.shellHandle; auto handle = OS.gtk_window_get_focus (cast(GtkWindow*)shellHandle); while (handle !is null) { if (handle is focusHandle_) return true; Widget widget = display.getWidget (handle); if (widget !is null && (null !is cast(Control)widget)) { return widget is this; } handle = OS.gtk_widget_get_parent (handle); } return false; } /** * Returns the receiver's background color. * * @return the background color * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public Color getBackground () { checkWidget(); Control control = findBackgroundControl (); if (control is null) control = this; return Color.gtk_new (display, control.getBackgroundColor ()); } GdkColor* getBackgroundColor () { return getBgColor (); } /** * Returns the receiver's background image. * * @return the background image * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.2 */ public Image getBackgroundImage () { checkWidget (); Control control = findBackgroundControl (); if (control is null) control = this; return control.backgroundImage; } GdkColor* getBgColor () { auto fontHandle_ = fontHandle (); OS.gtk_widget_realize (fontHandle_); GdkColor* color = new GdkColor (); OS.gtk_style_get_bg (OS.gtk_widget_get_style (fontHandle_), OS.GTK_STATE_NORMAL, color); return color; } GdkColor* getBaseColor () { auto fontHandle_ = fontHandle (); OS.gtk_widget_realize (fontHandle_); GdkColor* color = new GdkColor (); OS.gtk_style_get_base (OS.gtk_widget_get_style (fontHandle_), OS.GTK_STATE_NORMAL, color); return color; } /** * Returns the receiver's border width. * * @return the border width * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public int getBorderWidth () { checkWidget(); return 0; } int getClientWidth () { return 0; } /** * Returns the receiver's cursor, or null if it has not been set. * <p> * When the mouse pointer passes over a control its appearance * is changed to match the control's cursor. * </p> * * @return the receiver's cursor or <code>null</code> * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.3 */ public Cursor getCursor () { checkWidget (); return cursor; } /** * Returns <code>true</code> if the receiver is detecting * drag gestures, and <code>false</code> otherwise. * * @return the receiver's drag detect state * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.3 */ public bool getDragDetect () { checkWidget (); return (state & DRAG_DETECT) !is 0; } /** * Returns <code>true</code> if the receiver is enabled, and * <code>false</code> otherwise. A disabled control is typically * not selectable from the user interface and draws with an * inactive or "grayed" look. * * @return the receiver's enabled state * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #isEnabled */ public bool getEnabled () { checkWidget (); return (state & DISABLED) is 0; } /** * Returns the font that the receiver will use to paint textual information. * * @return the receiver's font * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public Font getFont () { checkWidget(); return font !is null ? font : defaultFont (); } PangoFontDescription* getFontDescription () { auto fontHandle_ = fontHandle (); OS.gtk_widget_realize (fontHandle_); return OS.gtk_style_get_font_desc (OS.gtk_widget_get_style (fontHandle_)); } /** * Returns the foreground color that the receiver will use to draw. * * @return the receiver's foreground color * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public Color getForeground () { checkWidget(); return Color.gtk_new (display, getForegroundColor ()); } GdkColor* getForegroundColor () { return getFgColor (); } GdkColor* getFgColor () { auto fontHandle_ = fontHandle (); OS.gtk_widget_realize (fontHandle_); GdkColor* color = new GdkColor (); OS.gtk_style_get_fg (OS.gtk_widget_get_style (fontHandle_), OS.GTK_STATE_NORMAL, color); return color; } Point getIMCaretPos () { return new Point (0, 0); } GdkColor* getTextColor () { auto fontHandle_ = fontHandle (); OS.gtk_widget_realize (fontHandle_); GdkColor* color = new GdkColor (); OS.gtk_style_get_text (OS.gtk_widget_get_style (fontHandle_), OS.GTK_STATE_NORMAL, color); return color; } /** * Returns layout data which is associated with the receiver. * * @return the receiver's layout data * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public Object getLayoutData () { checkWidget(); return layoutData; } /** * Returns the receiver's pop up menu if it has one, or null * if it does not. All controls may optionally have a pop up * menu that is displayed when the user requests one for * the control. The sequence of key strokes, button presses * and/or button releases that are used to request a pop up * menu is platform specific. * * @return the receiver's menu * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public Menu getMenu () { checkWidget(); return menu; } /** * Returns the receiver's monitor. * * @return the receiver's monitor * * @since 3.0 */ public org.eclipse.swt.widgets.Monitor.Monitor getMonitor () { checkWidget(); org.eclipse.swt.widgets.Monitor.Monitor monitor = null; auto screen = OS.gdk_screen_get_default (); if (screen !is null) { int monitorNumber = OS.gdk_screen_get_monitor_at_window (screen, paintWindow ()); GdkRectangle dest; OS.gdk_screen_get_monitor_geometry (screen, monitorNumber, &dest); monitor = new org.eclipse.swt.widgets.Monitor.Monitor (); monitor.handle = monitorNumber; monitor.x = dest.x; monitor.y = dest.y; monitor.width = dest.width; monitor.height = dest.height; Rectangle workArea = null; if (monitorNumber is 0) workArea = display.getWorkArea (); if (workArea !is null) { monitor.clientX = workArea.x; monitor.clientY = workArea.y; monitor.clientWidth = workArea.width; monitor.clientHeight = workArea.height; } else { monitor.clientX = monitor.x; monitor.clientY = monitor.y; monitor.clientWidth = monitor.width; monitor.clientHeight = monitor.height; } } else { monitor = display.getPrimaryMonitor (); } return monitor; } /** * Returns the receiver's parent, which must be a <code>Composite</code> * or null when the receiver is a shell that was created with null or * a display for a parent. * * @return the receiver's parent * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public Composite getParent () { checkWidget(); return parent; } Control [] getPath () { int count = 0; Shell shell = getShell (); Control control = this; while (control !is shell) { count++; control = control.parent; } control = this; Control [] result = new Control [count]; while (control !is shell) { result [--count] = control; control = control.parent; } return result; } /** * Returns the region that defines the shape of the control, * or null if the control has the default shape. * * @return the region that defines the shape of the shell (or null) * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.4 */ public Region getRegion () { checkWidget (); return region; } /** * Returns the receiver's shell. For all controls other than * shells, this simply returns the control's nearest ancestor * shell. Shells return themselves, even if they are children * of other shells. * * @return the receiver's shell * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #getParent */ public Shell getShell() { checkWidget(); return _getShell(); } Shell _getShell() { return parent._getShell(); } /** * Returns the receiver's tool tip text, or null if it has * not been set. * * @return the receiver's tool tip text * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public String getToolTipText () { checkWidget(); return toolTipText; } /** * Returns <code>true</code> if the receiver is visible, and * <code>false</code> otherwise. * <p> * If one of the receiver's ancestors is not visible or some * other condition makes the receiver not visible, this method * may still indicate that it is considered visible even though * it may not actually be showing. * </p> * * @return the receiver's visibility state * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public bool getVisible () { checkWidget(); return (state & HIDDEN) is 0; } override int /*long*/ gtk_button_press_event (GtkWidget* widget, GdkEventButton* event) { return gtk_button_press_event (widget, event, true); } int /*long*/ gtk_button_press_event (GtkWidget* widget, GdkEventButton* gdkEvent, bool sendMouseDown) { if (gdkEvent.type is OS.GDK_3BUTTON_PRESS) return 0; /* * When a shell is created with SWT.ON_TOP and SWT.NO_FOCUS, * do not activate the shell when the user clicks on the * the client area or on the border or a control within the * shell that does not take focus. */ Shell shell = _getShell (); if (((shell.style & SWT.ON_TOP) !is 0) && (((shell.style & SWT.NO_FOCUS) is 0) || ((style & SWT.NO_FOCUS) is 0))) { shell.forceActive(); } int /*long*/ result = 0; if (gdkEvent.type is OS.GDK_BUTTON_PRESS) { display.clickCount = 1; auto nextEvent = OS.gdk_event_peek (); if (nextEvent !is null) { int eventType = OS.GDK_EVENT_TYPE (nextEvent); if (eventType is OS.GDK_2BUTTON_PRESS) display.clickCount = 2; if (eventType is OS.GDK_3BUTTON_PRESS) display.clickCount = 3; OS.gdk_event_free (nextEvent); } bool dragging = false; if ((state & DRAG_DETECT) !is 0 && hooks (SWT.DragDetect)) { if (gdkEvent.button is 1) { bool consume = false; if (dragDetect (cast(int) gdkEvent.x, cast(int) gdkEvent.y, true, &consume)) { dragging = true; if (consume ) result = 1; } if (isDisposed ()) return 1; } } if (sendMouseDown && !sendMouseEvent (SWT.MouseDown, gdkEvent.button, display.clickCount, 0, false, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state)) { result = 1; } if (isDisposed ()) return 1; if (dragging) { sendDragEvent (gdkEvent.button, gdkEvent.state, cast(int) gdkEvent.x, cast(int) gdkEvent.y, false); if (isDisposed ()) return 1; } /* * Pop up the context menu in the button press event for widgets * that have default operating system menus in order to stop the * operating system from displaying the menu if necessary. */ if ((state & MENU) !is 0) { if (gdkEvent.button is 3) { if (showMenu (cast(int)gdkEvent.x_root, cast(int)gdkEvent.y_root)) { result = 1; } } } } else { display.clickCount = 2; result = sendMouseEvent (SWT.MouseDoubleClick, gdkEvent.button, display.clickCount, 0, false, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; if (isDisposed ()) return 1; } if (!shell.isDisposed ()) shell.setActiveControl (this); return result; } override int /*long*/ gtk_button_release_event (GtkWidget* widget, GdkEventButton* gdkEvent) { /* * Feature in GTK. When button 4, 5, 6, or 7 is released, GTK * does not deliver a corresponding GTK event. Button 6 and 7 * are mapped to buttons 4 and 5 in SWT. The fix is to change * the button number of the event to a negative number so that * it gets dispatched by GTK. SWT has been modified to look * for negative button numbers. */ int button = gdkEvent.button; switch (button) { case -6: button = 4; break; case -7: button = 5; break; default: } return sendMouseEvent (SWT.MouseUp, button, display.clickCount, 0, false, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; } override int /*long*/ gtk_commit (GtkIMContext* imcontext, char* text) { char [] chars = fromStringz( text ); if (chars.length is 0) return 0; sendIMKeyEvent (SWT.KeyDown, null, chars); return 0; } override int /*long*/ gtk_enter_notify_event (GtkWidget* widget, GdkEventCrossing* gdkEvent) { if (OS.GTK_VERSION >= OS.buildVERSION (2, 12, 0)) { /* * Feature in GTK. Children of a shell will inherit and display the shell's * tooltip if they do not have a tooltip of their own. The fix is to use the * new tooltip API in GTK 2.12 to null the shell's tooltip when the control * being entered does not have any tooltip text set. */ char* buffer = null; if (toolTipText !is null && toolTipText.length !is 0) { char [] chars = fixMnemonic (toolTipText, false); buffer = toStringz(chars); } auto toolHandle = getShell().handle; OS.gtk_widget_set_tooltip_text (toolHandle, buffer); } if (display.currentControl is this) return 0; if (gdkEvent.mode !is OS.GDK_CROSSING_NORMAL && gdkEvent.mode !is OS.GDK_CROSSING_UNGRAB) return 0; if ((gdkEvent.state & (OS.GDK_BUTTON1_MASK | OS.GDK_BUTTON2_MASK | OS.GDK_BUTTON3_MASK)) !is 0) return 0; if (display.currentControl !is null && !display.currentControl.isDisposed ()) { display.removeMouseHoverTimeout (display.currentControl.handle); display.currentControl.sendMouseEvent (SWT.MouseExit, 0, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state); } if (!isDisposed ()) { display.currentControl = this; return sendMouseEvent (SWT.MouseEnter, 0, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; } return 0; } override int /*long*/ gtk_event_after (GtkWidget* widget, GdkEvent* gdkEvent) { switch (cast(int)gdkEvent.type) { case OS.GDK_BUTTON_PRESS: { if (widget !is eventHandle ()) break; /* * Pop up the context menu in the event_after signal to allow * the widget to process the button press. This allows widgets * such as GtkTreeView to select items before a menu is shown. */ if ((state & MENU) is 0) { GdkEventButton* gdkEventButton = cast(GdkEventButton*)gdkEvent; if (gdkEventButton.button is 3) { showMenu (cast(int) gdkEventButton.x_root, cast(int) gdkEventButton.y_root); } } break; } case OS.GDK_FOCUS_CHANGE: { if (!isFocusHandle (widget)) break; GdkEventFocus* gdkEventFocus = cast(GdkEventFocus*)gdkEvent; /* * Feature in GTK. The GTK combo box popup under some window managers * is implemented as a GTK_MENU. When it pops up, it causes the combo * box to lose focus when focus is received for the menu. The * fix is to check the current grab handle and see if it is a GTK_MENU * and ignore the focus event when the menu is both shown and hidden. */ Display display = this.display; if (gdkEventFocus.in_ !is 0) { if (display.ignoreFocus) { display.ignoreFocus = false; break; } } else { display.ignoreFocus = false; auto grabHandle = OS.gtk_grab_get_current (); if (grabHandle !is null) { if (OS.G_OBJECT_TYPE ( cast(GTypeInstance*)grabHandle) is OS.GTK_TYPE_MENU ()) { display.ignoreFocus = true; break; } } } sendFocusEvent (gdkEventFocus.in_ !is 0 ? SWT.FocusIn : SWT.FocusOut); break; default: } } return 0; } override int /*long*/ gtk_expose_event (GtkWidget* widget, GdkEventExpose* gdkEvent) { if ((state & OBSCURED) !is 0) return 0; if (!hooks (SWT.Paint) && !filters (SWT.Paint)) return 0; Event event = new Event (); event.count = gdkEvent.count; event.x = gdkEvent.area.x; event.y = gdkEvent.area.y; event.width = gdkEvent.area.width; event.height = gdkEvent.area.height; if ((style & SWT.MIRRORED) !is 0) event.x = getClientWidth () - event.width - event.x; GCData data = new GCData (); data.damageRgn = gdkEvent.region; GC gc = event.gc = GC.gtk_new (this, data); OS.gdk_gc_set_clip_region (gc.handle, gdkEvent.region); sendEvent (SWT.Paint, event); gc.dispose (); event.gc = null; return 0; } override int /*long*/ gtk_focus (GtkWidget* widget, int directionType) { /* Stop GTK traversal for every widget */ return 1; } override int /*long*/ gtk_focus_in_event (GtkWidget* widget, GdkEventFocus* event) { // widget could be disposed at this point if (handle !is null) { Control oldControl = display.imControl; if (oldControl !is this) { if (oldControl !is null && !oldControl.isDisposed ()) { auto oldIMHandle = oldControl.imHandle (); if (oldIMHandle !is null) OS.gtk_im_context_reset (oldIMHandle); } } if (hooks (SWT.KeyDown) || hooks (SWT.KeyUp)) { auto imHandle = imHandle (); if (imHandle !is null) OS.gtk_im_context_focus_in (imHandle); } } return 0; } override int /*long*/ gtk_focus_out_event (GtkWidget* widget, GdkEventFocus* event) { // widget could be disposed at this point if (handle !is null) { if (hooks (SWT.KeyDown) || hooks (SWT.KeyUp)) { auto imHandle = imHandle (); if (imHandle !is null) { OS.gtk_im_context_focus_out (imHandle); } } } return 0; } override int /*long*/ gtk_key_press_event (GtkWidget* widget, GdkEventKey* gdkEvent) { if (!hasFocus ()) return 0; if (translateMnemonic (gdkEvent.keyval, gdkEvent)) return 1; // widget could be disposed at this point if (isDisposed ()) return 0; if (filterKey (gdkEvent.keyval, gdkEvent)) return 1; // widget could be disposed at this point if (isDisposed ()) return 0; if (translateTraversal (gdkEvent)) return 1; // widget could be disposed at this point if (isDisposed ()) return 0; return super.gtk_key_press_event (widget, gdkEvent); } override int /*long*/ gtk_key_release_event (GtkWidget* widget, GdkEventKey* event) { if (!hasFocus ()) return 0; auto imHandle = imHandle (); if (imHandle !is null) { if (OS.gtk_im_context_filter_keypress (imHandle, event)) return 1; } return super.gtk_key_release_event (widget, event); } override int /*long*/ gtk_leave_notify_event (GtkWidget* widget, GdkEventCrossing* gdkEvent) { if (display.currentControl !is this) return 0; display.removeMouseHoverTimeout (handle); int result = 0; if (sendLeaveNotify () || display.getCursorControl () is null) { if (gdkEvent.mode !is OS.GDK_CROSSING_NORMAL && gdkEvent.mode !is OS.GDK_CROSSING_UNGRAB) return 0; if ((gdkEvent.state & (OS.GDK_BUTTON1_MASK | OS.GDK_BUTTON2_MASK | OS.GDK_BUTTON3_MASK)) !is 0) return 0; result = sendMouseEvent (SWT.MouseExit, 0, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; display.currentControl = null; } return result; } override int /*long*/ gtk_mnemonic_activate (GtkWidget* widget, int /*long*/ arg1) { int result = 0; auto eventPtr = OS.gtk_get_current_event (); if (eventPtr !is null) { GdkEventKey* keyEvent = cast(GdkEventKey*)eventPtr; if (keyEvent.type is OS.GDK_KEY_PRESS) { Control focusControl = display.getFocusControl (); auto focusHandle_ = focusControl !is null ? focusControl.focusHandle () : null; if (focusHandle_ !is null) { display.mnemonicControl = this; OS.gtk_widget_event (focusHandle_, eventPtr); display.mnemonicControl = null; } result = 1; } OS.gdk_event_free (eventPtr); } return result; } override int /*long*/ gtk_motion_notify_event (GtkWidget* widget, GdkEventMotion* gdkEvent) { if (this is display.currentControl && (hooks (SWT.MouseHover) || filters (SWT.MouseHover))) { display.addMouseHoverTimeout (handle); } double x = gdkEvent.x_root, y = gdkEvent.y_root; int state = gdkEvent.state; if (gdkEvent.is_hint !is 0) { int pointer_x, pointer_y; int mask; auto window = eventWindow (); OS.gdk_window_get_pointer (window, &pointer_x, &pointer_y, &mask); x = pointer_x; y = pointer_y; state = mask; } int result = sendMouseEvent (SWT.MouseMove, 0, gdkEvent.time, x, y, gdkEvent.is_hint !is 0, state) ? 0 : 1; return result; } override int /*long*/ gtk_popup_menu (GtkWidget* widget) { if (!hasFocus()) return 0; int x, y ; OS.gdk_window_get_pointer (null, &x, &y, null); return showMenu (x, y) ? 1 : 0; } override int /*long*/ gtk_preedit_changed (GtkIMContext* imcontext) { display.showIMWindow (this); return 0; } override int /*long*/ gtk_realize (GtkWidget* widget) { auto imHandle = imHandle (); if (imHandle !is null) { auto window = OS.GTK_WIDGET_WINDOW (paintHandle ()); OS.gtk_im_context_set_client_window (imHandle, window); } if (backgroundImage !is null) { auto window = OS.GTK_WIDGET_WINDOW (paintHandle ()); if (window !is null) OS.gdk_window_set_back_pixmap (window, cast(GdkPixmap*)backgroundImage.pixmap, false); } return 0; } override int /*long*/ gtk_scroll_event (GtkWidget* widget, GdkEventScroll* gdkEvent) { switch (cast(int)gdkEvent.direction) { case OS.GDK_SCROLL_UP: return sendMouseEvent (SWT.MouseWheel, 0, 3, SWT.SCROLL_LINE, true, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; case OS.GDK_SCROLL_DOWN: return sendMouseEvent (SWT.MouseWheel, 0, -3, SWT.SCROLL_LINE, true, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; case OS.GDK_SCROLL_LEFT: return sendMouseEvent (SWT.MouseDown, 4, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; case OS.GDK_SCROLL_RIGHT: return sendMouseEvent (SWT.MouseDown, 5, gdkEvent.time, gdkEvent.x_root, gdkEvent.y_root, false, gdkEvent.state) ? 0 : 1; default: } return 0; } override int /*long*/ gtk_show_help (GtkWidget* widget, int /*long*/ helpType) { if (!hasFocus ()) return 0; return sendHelpEvent (helpType) ? 1 : 0; } override int /*long*/ gtk_style_set (GtkWidget* widget, int /*long*/ previousStyle) { if (backgroundImage !is null) { setBackgroundPixmap (backgroundImage.pixmap); } return 0; } override int /*long*/ gtk_unrealize (GtkWidget* widget) { auto imHandle = imHandle (); if (imHandle !is null) OS.gtk_im_context_set_client_window (imHandle, null); return 0; } override int /*long*/ gtk_visibility_notify_event (GtkWidget* widget, GdkEventVisibility* gdkEvent) { auto paintWindow = paintWindow(); auto window = gdkEvent.window; if (window is paintWindow) { if (gdkEvent.state is OS.GDK_VISIBILITY_FULLY_OBSCURED) { state |= OBSCURED; } else { if ((state & OBSCURED) !is 0) { int width, height; OS.gdk_drawable_get_size (cast(GdkDrawable*)window, &width, &height); GdkRectangle rect; rect.width = width; rect.height = height; OS.gdk_window_invalidate_rect (window, &rect, false); } state &= ~OBSCURED; } } return 0; } /*no override*/ void gtk_widget_size_request (GtkWidget* widget, GtkRequisition* requisition) { OS.gtk_widget_size_request (widget, requisition); } /** * Invokes platform specific functionality to allocate a new GC handle. * <p> * <b>IMPORTANT:</b> This method is <em>not</em> part of the public * API for <code>Control</code>. It is marked public only so that it * can be shared within the packages provided by SWT. It is not * available on all platforms, and should never be called from * application code. * </p> * * @param data the platform specific GC data * @return the platform specific GC handle */ public GdkGC* internal_new_GC (GCData data) { checkWidget (); auto window = paintWindow (); if (window is null) SWT.error (SWT.ERROR_NO_HANDLES); auto gdkGC = OS.gdk_gc_new (cast(GdkDrawable*)window); if (gdkGC is null) error (SWT.ERROR_NO_HANDLES); if (data !is null) { int mask = SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT; if ((data.style & mask) is 0) { data.style |= style & (mask | SWT.MIRRORED); } else { if ((data.style & SWT.RIGHT_TO_LEFT) !is 0) { data.style |= SWT.MIRRORED; } } data.drawable = cast(GdkDrawable*)window; data.device = display; data.foreground = getForegroundColor (); Control control = findBackgroundControl (); if (control is null) control = this; data.background = control.getBackgroundColor (); data.font = font !is null ? font : defaultFont (); } return gdkGC; } GtkIMContext* imHandle () { return null; } /** * Invokes platform specific functionality to dispose a GC handle. * <p> * <b>IMPORTANT:</b> This method is <em>not</em> part of the public * API for <code>Control</code>. It is marked public only so that it * can be shared within the packages provided by SWT. It is not * available on all platforms, and should never be called from * application code. * </p> * * @param hDC the platform specific GC handle * @param data the platform specific GC data */ public void internal_dispose_GC (GdkGC* gdkGC, GCData data) { checkWidget (); OS.g_object_unref (gdkGC); } /** * Returns <code>true</code> if the underlying operating * system supports this reparenting, otherwise <code>false</code> * * @return <code>true</code> if the widget can be reparented, otherwise <code>false</code> * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public bool isReparentable () { checkWidget(); return true; } bool isShowing () { /* * This is not complete. Need to check if the * widget is obscurred by a parent or sibling. */ if (!isVisible ()) return false; Control control = this; while (control !is null) { Point size = control.getSize (); if (size.x is 0 || size.y is 0) { return false; } control = control.parent; } return true; } bool isTabGroup () { Control [] tabList = parent._getTabList (); if (tabList !is null) { for (int i=0; i<tabList.length; i++) { if (tabList [i] is this) return true; } } int code = traversalCode (0, null); if ((code & (SWT.TRAVERSE_ARROW_PREVIOUS | SWT.TRAVERSE_ARROW_NEXT)) !is 0) return false; return (code & (SWT.TRAVERSE_TAB_PREVIOUS | SWT.TRAVERSE_TAB_NEXT)) !is 0; } bool isTabItem () { Control [] tabList = parent._getTabList (); if (tabList !is null) { for (int i=0; i<tabList.length; i++) { if (tabList [i] is this) return false; } } int code = traversalCode (0, null); return (code & (SWT.TRAVERSE_ARROW_PREVIOUS | SWT.TRAVERSE_ARROW_NEXT)) !is 0; } /** * Returns <code>true</code> if the receiver is enabled and all * ancestors up to and including the receiver's nearest ancestor * shell are enabled. Otherwise, <code>false</code> is returned. * A disabled control is typically not selectable from the user * interface and draws with an inactive or "grayed" look. * * @return the receiver's enabled state * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #getEnabled */ public bool isEnabled () { checkWidget (); return getEnabled () && parent.isEnabled (); } bool isFocusAncestor (Control control) { while (control !is null && control !is this && !( null !is cast(Shell)control )) { control = control.parent; } return control is this; } /** * Returns <code>true</code> if the receiver has the user-interface * focus, and <code>false</code> otherwise. * * @return the receiver's focus state * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public bool isFocusControl () { checkWidget(); Control focusControl = display.focusControl; if (focusControl !is null && !focusControl.isDisposed ()) { return this is focusControl; } return hasFocus (); } /** * Returns <code>true</code> if the receiver is visible and all * ancestors up to and including the receiver's nearest ancestor * shell are visible. Otherwise, <code>false</code> is returned. * * @return the receiver's visibility state * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #getVisible */ public bool isVisible () { checkWidget(); return getVisible () && parent.isVisible (); } Decorations menuShell () { return parent.menuShell (); } bool mnemonicHit (wchar key) { return false; } bool mnemonicMatch (wchar key) { return false; } override void register () { super.register (); if (fixedHandle !is null) display.addWidget (fixedHandle, this); auto imHandle = imHandle (); if (imHandle !is null) display.addWidget (cast(GtkWidget*)imHandle, this); } /** * Causes the entire bounds of the receiver to be marked * as needing to be redrawn. The next time a paint request * is processed, the control will be completely painted, * including the background. * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #update() * @see PaintListener * @see SWT#Paint * @see SWT#NO_BACKGROUND * @see SWT#NO_REDRAW_RESIZE * @see SWT#NO_MERGE_PAINTS * @see SWT#DOUBLE_BUFFERED */ public void redraw () { checkWidget(); redraw (false); } void redraw (bool all) { // checkWidget(); if (!OS.GTK_WIDGET_VISIBLE (topHandle ())) return; redrawWidget (0, 0, 0, 0, true, all, false); } /** * Causes the rectangular area of the receiver specified by * the arguments to be marked as needing to be redrawn. * The next time a paint request is processed, that area of * the receiver will be painted, including the background. * If the <code>all</code> flag is <code>true</code>, any * children of the receiver which intersect with the specified * area will also paint their intersecting areas. If the * <code>all</code> flag is <code>false</code>, the children * will not be painted. * * @param x the x coordinate of the area to draw * @param y the y coordinate of the area to draw * @param width the width of the area to draw * @param height the height of the area to draw * @param all <code>true</code> if children should redraw, and <code>false</code> otherwise * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #update() * @see PaintListener * @see SWT#Paint * @see SWT#NO_BACKGROUND * @see SWT#NO_REDRAW_RESIZE * @see SWT#NO_MERGE_PAINTS * @see SWT#DOUBLE_BUFFERED */ public void redraw (int x, int y, int width, int height, bool all) { checkWidget(); if (!OS.GTK_WIDGET_VISIBLE (topHandle ())) return; if ((style & SWT.MIRRORED) !is 0) x = getClientWidth () - width - x; redrawWidget (x, y, width, height, false, all, false); } void redrawChildren () { } void redrawWidget (int x, int y, int width, int height, bool redrawAll, bool all, bool trim) { if ((OS.GTK_WIDGET_FLAGS (handle) & OS.GTK_REALIZED) is 0) return; auto window = paintWindow (); GdkRectangle rect; if (redrawAll) { int w, h; OS.gdk_drawable_get_size (cast(GdkDrawable*)window, &w, &h); rect.width = w; rect.height = h; } else { rect.x = x; rect.y = y; rect.width = width; rect.height = height; } OS.gdk_window_invalidate_rect (window, &rect, all); } override void release (bool destroy) { Control next = null, previous = null; if (destroy && parent !is null) { Control[] children = parent._getChildren (); int index = 0; while (index < children.length) { if (children [index] is this) break; index++; } if (0 < index && (index + 1) < children.length) { next = children [index + 1]; previous = children [index - 1]; } } super.release (destroy); if (destroy) { if (previous !is null) previous.addRelation (next); } } override void releaseHandle () { super.releaseHandle (); fixedHandle = null; parent = null; } override void releaseParent () { parent.removeControl (this); } override void releaseWidget () { super.releaseWidget (); if (display.currentControl is this) display.currentControl = null; display.removeMouseHoverTimeout (handle); auto imHandle = imHandle (); if (imHandle !is null) { OS.gtk_im_context_reset (imHandle); OS.gtk_im_context_set_client_window (imHandle, null); } if (enableWindow !is null) { OS.gdk_window_set_user_data (enableWindow, null); OS.gdk_window_destroy (enableWindow); enableWindow = null; } redrawWindow = null; if (menu !is null && !menu.isDisposed ()) { menu.dispose (); } menu = null; cursor = null; toolTipText = null; layoutData = null; accessible = null; region = null; } bool sendDragEvent (int button, int stateMask, int x, int y, bool isStateMask) { Event event = new Event (); event.button = button; event.x = x; event.y = y; if ((style & SWT.MIRRORED) !is 0) event.x = getClientWidth () - event.x; if (isStateMask) { event.stateMask = stateMask; } else { setInputState (event, stateMask); } postEvent (SWT.DragDetect, event); if (isDisposed ()) return false; return event.doit; } void sendFocusEvent (int type) { Shell shell = _getShell (); Display display = this.display; display.focusControl = this; display.focusEvent = type; sendEvent (type); display.focusControl = null; display.focusEvent = SWT.None; /* * It is possible that the shell may be * disposed at this point. If this happens * don't send the activate and deactivate * events. */ if (!shell.isDisposed ()) { switch (type) { case SWT.FocusIn: shell.setActiveControl (this); break; case SWT.FocusOut: if (shell !is display.activeShell) { shell.setActiveControl (null); } break; default: } } } bool sendHelpEvent (int /*long*/ helpType) { Control control = this; while (control !is null) { if (control.hooks (SWT.Help)) { control.postEvent (SWT.Help); return true; } control = control.parent; } return false; } bool sendLeaveNotify() { return false; } bool sendMouseEvent (int type, int button, int time, double x, double y, bool is_hint, int state) { return sendMouseEvent (type, button, 0, 0, false, time, x, y, is_hint, state); } bool sendMouseEvent (int type, int button, int count, int detail, bool send, int time, double x, double y, bool is_hint, int state) { if (!hooks (type) && !filters (type)) return true; Event event = new Event (); event.time = time; event.button = button; event.detail = detail; event.count = count; if (is_hint) { event.x = cast(int)x; event.y = cast(int)y; } else { auto window = eventWindow (); int origin_x, origin_y; OS.gdk_window_get_origin (window, &origin_x, &origin_y); event.x = cast(int)x - origin_x; event.y = cast(int)y - origin_y; } if ((style & SWT.MIRRORED) !is 0) event.x = getClientWidth () - event.x; setInputState (event, state); if (send) { sendEvent (type, event); if (isDisposed ()) return false; } else { postEvent (type, event); } return event.doit; } void setBackground () { if ((state & PARENT_BACKGROUND) !is 0 && (state & BACKGROUND) is 0 && backgroundImage is null) { setParentBackground (); } else { setWidgetBackground (); } redrawWidget (0, 0, 0, 0, true, false, false); } /** * Sets the receiver's background color to the color specified * by the argument, or to the default system color for the control * if the argument is null. * <p> * Note: This operation is a hint and may be overridden by the platform. * For example, on Windows the background of a Button cannot be changed. * </p> * @param color the new color (or null) * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setBackground (Color color) { checkWidget(); if (((state & BACKGROUND) is 0) && color is null) return; GdkColor* gdkColor = null; if (color !is null) { if (color.isDisposed ()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); gdkColor = color.handle; } bool set = false; if (gdkColor is null) { auto style = OS.gtk_widget_get_modifier_style (handle); set = (OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_NORMAL) & OS.GTK_RC_BG) !is 0; } else { GdkColor* oldColor = getBackgroundColor (); set = oldColor.pixel !is gdkColor.pixel; } if (set) { if (color is null) { state &= ~BACKGROUND; } else { state |= BACKGROUND; } setBackgroundColor (gdkColor); redrawChildren (); } } void setBackgroundColor (GtkWidget* handle, GdkColor* color) { int index = OS.GTK_STATE_NORMAL; auto style = OS.gtk_widget_get_modifier_style (handle); auto ptr = OS.gtk_rc_style_get_bg_pixmap_name (style, index); if (ptr !is null) OS.g_free (ptr); String name = color is null ? "<parent>" : "<none>" ; ptr = cast(char*)OS.g_malloc (name.length+1); ptr[ 0 .. name.length ] = name; ptr[ name.length ] = '\0'; OS.gtk_rc_style_set_bg_pixmap_name (style, index, ptr); OS.gtk_rc_style_set_bg (style, index, color); int flags = OS.gtk_rc_style_get_color_flags (style, index); flags = (color is null) ? flags & ~OS.GTK_RC_BG : flags | OS.GTK_RC_BG; OS.gtk_rc_style_set_color_flags (style, index, flags); modifyStyle (handle, style); } void setBackgroundColor (GdkColor* color) { setBackgroundColor (handle, color); } /** * Sets the receiver's background image to the image specified * by the argument, or to the default system color for the control * if the argument is null. The background image is tiled to fill * the available space. * <p> * Note: This operation is a hint and may be overridden by the platform. * For example, on Windows the background of a Button cannot be changed. * </p> * @param image the new image (or null) * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> * <li>ERROR_INVALID_ARGUMENT - if the argument is not a bitmap</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.2 */ public void setBackgroundImage (Image image) { checkWidget (); if (image !is null && image.isDisposed ()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); if (image is backgroundImage) return; this.backgroundImage = image; if (backgroundImage !is null) { setBackgroundPixmap (backgroundImage.pixmap); redrawWidget (0, 0, 0, 0, true, false, false); } else { setWidgetBackground (); } redrawChildren (); } void setBackgroundPixmap (GdkDrawable* pixmap) { auto window = OS.GTK_WIDGET_WINDOW (paintHandle ()); if (window !is null) OS.gdk_window_set_back_pixmap (window, cast(GdkPixmap*)backgroundImage.pixmap, false); } /** * If the argument is <code>true</code>, causes the receiver to have * all mouse events delivered to it until the method is called with * <code>false</code> as the argument. Note that on some platforms, * a mouse button must currently be down for capture to be assigned. * * @param capture <code>true</code> to capture the mouse, and <code>false</code> to release it * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setCapture (bool capture) { checkWidget(); /* FIXME !!!!! */ /* if (capture) { OS.gtk_widget_grab_focus (handle); } else { OS.gtk_widget_grab_default (handle); } */ } /** * Sets the receiver's cursor to the cursor specified by the * argument, or to the default cursor for that kind of control * if the argument is null. * <p> * When the mouse pointer passes over a control its appearance * is changed to match the control's cursor. * </p> * * @param cursor the new cursor (or null) * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setCursor (Cursor cursor) { checkWidget(); if (cursor !is null && cursor.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); this.cursor = cursor; gtk_setCursor (cursor !is null ? cursor.handle : null); } void gtk_setCursor (GdkCursor* cursor) { auto window = eventWindow (); if (window !is null) { OS.gdk_window_set_cursor (window, cursor); if (!OS.GDK_WINDOWING_X11 ()) { OS.gdk_flush (); } else { auto xDisplay = OS.GDK_DISPLAY (); OS.XFlush (xDisplay); } } } /** * Sets the receiver's drag detect state. If the argument is * <code>true</code>, the receiver will detect drag gestures, * otherwise these gestures will be ignored. * * @param dragDetect the new drag detect state * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @since 3.3 */ public void setDragDetect (bool dragDetect) { checkWidget (); if (dragDetect) { state |= DRAG_DETECT; } else { state &= ~DRAG_DETECT; } } /** * Enables the receiver if the argument is <code>true</code>, * and disables it otherwise. A disabled control is typically * not selectable from the user interface and draws with an * inactive or "grayed" look. * * @param enabled the new enabled state * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setEnabled (bool enabled) { checkWidget(); if (((state & DISABLED) is 0) is enabled) return; Control control = null; bool fixFocus_ = false; if (!enabled) { if (display.focusEvent !is SWT.FocusOut) { control = display.getFocusControl (); fixFocus_ = isFocusAncestor (control); } } if (enabled) { state &= ~DISABLED; } else { state |= DISABLED; } enableWidget (enabled); if (isDisposed ()) return; if (enabled) { if (enableWindow !is null) { OS.gdk_window_set_user_data (enableWindow, null); OS.gdk_window_destroy (enableWindow); enableWindow = null; } } else { OS.gtk_widget_realize (handle); auto parentHandle = parent.eventHandle (); auto window = parent.eventWindow(); auto topHandle_ = topHandle (); GdkWindowAttr attributes; attributes.x = OS.GTK_WIDGET_X (topHandle_); attributes.y = OS.GTK_WIDGET_Y (topHandle_); attributes.width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); attributes.height = (state & ZERO_HEIGHT) !is 0 ? 0 : OS.GTK_WIDGET_HEIGHT (topHandle_); attributes.event_mask = (0xFFFFFFFF & ~OS.ExposureMask); attributes.wclass = OS.GDK_INPUT_ONLY; attributes.window_type = OS.GDK_WINDOW_CHILD; enableWindow = OS.gdk_window_new (window, &attributes, OS.GDK_WA_X | OS.GDK_WA_Y); if (enableWindow !is null) { OS.gdk_window_set_user_data (enableWindow, parentHandle); if (!OS.GDK_WINDOWING_X11 ()) { OS.gdk_window_raise (enableWindow); } else { auto topWindow = OS.GTK_WIDGET_WINDOW (topHandle_); auto xDisplay = OS.gdk_x11_drawable_get_xdisplay (cast(GdkDrawable*)topWindow); auto xWindow = OS.gdk_x11_drawable_get_xid (cast(GdkDrawable*)enableWindow); int xScreen = OS.XDefaultScreen (xDisplay); int flags = OS.CWStackMode | OS.CWSibling; XWindowChanges changes; changes.sibling = OS.gdk_x11_drawable_get_xid (cast(GdkDrawable*)topWindow); changes.stack_mode = OS.Above; OS.XReconfigureWMWindow (xDisplay, xWindow, xScreen, flags, &changes); } if (OS.GTK_WIDGET_VISIBLE (topHandle_)) OS.gdk_window_show_unraised (enableWindow); } } if (fixFocus_) fixFocus (control); } /** * Causes the receiver to have the <em>keyboard focus</em>, * such that all keyboard events will be delivered to it. Focus * reassignment will respect applicable platform constraints. * * @return <code>true</code> if the control got focus, and <code>false</code> if it was unable to. * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #forceFocus */ public bool setFocus () { checkWidget(); if ((style & SWT.NO_FOCUS) !is 0) return false; return forceFocus (); } /** * Sets the font that the receiver will use to paint textual information * to the font specified by the argument, or to the default font for that * kind of control if the argument is null. * * @param font the new font (or null) * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setFont (Font font) { checkWidget(); if (((state & FONT) is 0) && font is null) return; this.font = font; PangoFontDescription* fontDesc; if (font is null) { fontDesc = defaultFont ().handle; } else { if (font.isDisposed ()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); fontDesc = font.handle; } if (font is null) { state &= ~FONT; } else { state |= FONT; } setFontDescription (fontDesc); } void setFontDescription (PangoFontDescription* font) { OS.gtk_widget_modify_font (handle, font); } /** * Sets the receiver's foreground color to the color specified * by the argument, or to the default system color for the control * if the argument is null. * <p> * Note: This operation is a hint and may be overridden by the platform. * </p> * @param color the new color (or null) * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setForeground (Color color) { checkWidget(); if (((state & FOREGROUND) is 0) && color is null) return; GdkColor* gdkColor = null; if (color !is null) { if (color.isDisposed ()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); gdkColor = color.handle; } bool set = false; if (gdkColor is null) { auto style = OS.gtk_widget_get_modifier_style (handle); set = (OS.gtk_rc_style_get_color_flags (style, OS.GTK_STATE_NORMAL) & OS.GTK_RC_FG) !is 0; } else { GdkColor* oldColor = getForegroundColor (); set = oldColor.pixel !is gdkColor.pixel; } if (set) { if (color is null) { state &= ~FOREGROUND; } else { state |= FOREGROUND; } setForegroundColor (gdkColor); } } void setForegroundColor (GdkColor* color) { setForegroundColor (handle, color); } void setInitialBounds () { if ((state & ZERO_WIDTH) !is 0 && (state & ZERO_HEIGHT) !is 0) { /* * Feature in GTK. On creation, each widget's allocation is * initialized to a position of (-1, -1) until the widget is * first sized. The fix is to set the value to (0, 0) as * expected by SWT. */ auto topHandle_ = topHandle (); if ((parent.style & SWT.MIRRORED) !is 0) { OS.GTK_WIDGET_SET_X (topHandle_, parent.getClientWidth ()); } else { OS.GTK_WIDGET_SET_X (topHandle_, 0); } OS.GTK_WIDGET_SET_Y (topHandle_, 0); } else { resizeHandle (1, 1); forceResize (); } } /** * Sets the receiver's pop up menu to the argument. * All controls may optionally have a pop up * menu that is displayed when the user requests one for * the control. The sequence of key strokes, button presses * and/or button releases that are used to request a pop up * menu is platform specific. * <p> * Note: Disposing of a control that has a pop up menu will * dispose of the menu. To avoid this behavior, set the * menu to null before the control is disposed. * </p> * * @param menu the new pop up menu * * @exception IllegalArgumentException <ul> * <li>ERROR_MENU_NOT_POP_UP - the menu is not a pop up menu</li> * <li>ERROR_INVALID_PARENT - if the menu is not in the same widget tree</li> * <li>ERROR_INVALID_ARGUMENT - if the menu has been disposed</li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setMenu (Menu menu) { checkWidget(); if (menu !is null) { if ((menu.style & SWT.POP_UP) is 0) { error (SWT.ERROR_MENU_NOT_POP_UP); } if (menu.parent !is menuShell ()) { error (SWT.ERROR_INVALID_PARENT); } } this.menu = menu; } override void setOrientation () { if ((style & SWT.RIGHT_TO_LEFT) !is 0) { if (handle !is null) OS.gtk_widget_set_direction (handle, OS.GTK_TEXT_DIR_RTL); if (fixedHandle !is null) OS.gtk_widget_set_direction (fixedHandle, OS.GTK_TEXT_DIR_RTL); } } /** * Changes the parent of the widget to be the one provided if * the underlying operating system supports this feature. * Returns <code>true</code> if the parent is successfully changed. * * @param parent the new parent for the control. * @return <code>true</code> if the parent is changed and <code>false</code> otherwise. * * @exception IllegalArgumentException <ul> * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> * <li>ERROR_NULL_ARGUMENT - if the parent is <code>null</code></li> * </ul> * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public bool setParent (Composite parent) { checkWidget (); if (parent is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); if (parent.isDisposed()) SWT.error (SWT.ERROR_INVALID_ARGUMENT); if (this.parent is parent) return true; if (!isReparentable ()) return false; auto topHandle_ = topHandle (); int x = OS.GTK_WIDGET_X (topHandle_); int width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (topHandle_); if ((this.parent.style & SWT.MIRRORED) !is 0) { x = this.parent.getClientWidth () - width - x; } if ((parent.style & SWT.MIRRORED) !is 0) { x = parent.getClientWidth () - width - x; } int y = OS.GTK_WIDGET_Y (topHandle_); releaseParent (); Shell newShell = parent.getShell (), oldShell = getShell (); Decorations newDecorations = parent.menuShell (), oldDecorations = menuShell (); Menu [] menus = oldShell.findMenus (this); if (oldShell !is newShell || oldDecorations !is newDecorations) { fixChildren (newShell, oldShell, newDecorations, oldDecorations, menus); newDecorations.fixAccelGroup (); oldDecorations.fixAccelGroup (); } auto newParent = parent.parentingHandle(); OS.gtk_widget_reparent (topHandle_, newParent); OS.gtk_fixed_move (cast(GtkFixed*)newParent, topHandle_, x, y); this.parent = parent; setZOrder (null, false, true); return true; } void setParentBackground () { setBackgroundColor (handle, null); if (fixedHandle !is null) setBackgroundColor (fixedHandle, null); } void setParentWindow (GtkWidget* widget) { } bool setRadioSelection (bool value) { return false; } /** * If the argument is <code>false</code>, causes subsequent drawing * operations in the receiver to be ignored. No drawing of any kind * can occur in the receiver until the flag is set to true. * Graphics operations that occurred while the flag was * <code>false</code> are lost. When the flag is set to <code>true</code>, * the entire widget is marked as needing to be redrawn. Nested calls * to this method are stacked. * <p> * Note: This operation is a hint and may not be supported on some * platforms or for some widgets. * </p> * * @param redraw the new redraw state * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #redraw(int, int, int, int, bool) * @see #update() */ public void setRedraw (bool redraw) { checkWidget(); if (redraw) { if (--drawCount is 0) { if (redrawWindow !is null) { auto window = paintWindow (); /* Explicitly hiding the window avoids flicker on GTK+ >= 2.6 */ OS.gdk_window_hide (redrawWindow); OS.gdk_window_destroy (redrawWindow); OS.gdk_window_set_events (window, OS.gtk_widget_get_events (paintHandle ())); redrawWindow = null; } } } else { if (drawCount++ is 0) { if ((OS.GTK_WIDGET_FLAGS (handle) & OS.GTK_REALIZED) !is 0) { auto window = paintWindow (); Rectangle rect = getBounds (); GdkWindowAttr attributes; attributes.width = rect.width; attributes.height = rect.height; attributes.event_mask = OS.GDK_EXPOSURE_MASK; attributes.window_type = OS.GDK_WINDOW_CHILD; redrawWindow = OS.gdk_window_new (window, &attributes, 0); if (redrawWindow !is null) { int mouseMask = OS.GDK_BUTTON_PRESS_MASK | OS.GDK_BUTTON_RELEASE_MASK | OS.GDK_ENTER_NOTIFY_MASK | OS.GDK_LEAVE_NOTIFY_MASK | OS.GDK_POINTER_MOTION_MASK | OS.GDK_POINTER_MOTION_HINT_MASK | OS.GDK_BUTTON_MOTION_MASK | OS.GDK_BUTTON1_MOTION_MASK | OS.GDK_BUTTON2_MOTION_MASK | OS.GDK_BUTTON3_MOTION_MASK; OS.gdk_window_set_events (window, OS.gdk_window_get_events (window) & ~mouseMask); OS.gdk_window_set_back_pixmap (redrawWindow, null, false); OS.gdk_window_show (redrawWindow); } } } } } bool setTabGroupFocus (bool next) { return setTabItemFocus (next); } bool setTabItemFocus (bool next) { if (!isShowing ()) return false; return forceFocus (); } /** * Sets the receiver's tool tip text to the argument, which * may be null indicating that no tool tip text should be shown. * * @param str the new tool tip text (or null) * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setToolTipText (String str) { checkWidget(); setToolTipText (_getShell (), str); toolTipText = str; } void setToolTipText (Shell shell, String newString) { if (OS.GTK_VERSION >= OS.buildVERSION (2, 12, 0)) { /* * Feature in GTK. In order to prevent children widgets * from inheriting their parent's tooltip, the tooltip is * a set on a shell only. In order to force the shell tooltip * to update when a new tip string is set, the existing string * in the tooltip is set to null, followed by running a query. * The real tip text can then be set. * * Note that this will only run if the control for which the * tooltip is being set is the current control (i.e. the control * under the pointer). */ if (display.currentControl is this) { shell.setToolTipText (shell.handle, eventHandle (), newString); } } else { shell.setToolTipText (eventHandle (), newString); } } /** * Marks the receiver as visible if the argument is <code>true</code>, * and marks it invisible otherwise. * <p> * If one of the receiver's ancestors is not visible or some * other condition makes the receiver not visible, marking * it visible may not actually cause it to be displayed. * </p> * * @param visible the new visibility state * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public void setVisible (bool visible) { checkWidget(); if (((state & HIDDEN) is 0) is visible) return; auto topHandle_ = topHandle(); if (visible) { /* * It is possible (but unlikely), that application * code could have disposed the widget in the show * event. If this happens, just return. */ sendEvent (SWT.Show); if (isDisposed ()) return; state &= ~HIDDEN; if ((state & (ZERO_WIDTH | ZERO_HEIGHT)) is 0) { if (enableWindow !is null) OS.gdk_window_show_unraised (enableWindow); OS.gtk_widget_show (topHandle_); } } else { /* * Bug in GTK. Invoking gtk_widget_hide() on a widget that has * focus causes a focus_out_event to be sent. If the client disposes * the widget inside the event, GTK GP's. The fix is to reassign focus * before hiding the widget. * * NOTE: In order to stop the same widget from taking focus, * temporarily clear and set the GTK_VISIBLE flag. */ Control control = null; bool fixFocus_ = false; if (display.focusEvent !is SWT.FocusOut) { control = display.getFocusControl (); fixFocus_ = isFocusAncestor (control); } state |= HIDDEN; if (fixFocus_) { OS.GTK_WIDGET_UNSET_FLAGS (topHandle_, OS.GTK_VISIBLE); fixFocus (control); if (isDisposed ()) return; OS.GTK_WIDGET_SET_FLAGS (topHandle_, OS.GTK_VISIBLE); } OS.gtk_widget_hide (topHandle_); if (isDisposed ()) return; if (enableWindow !is null) OS.gdk_window_hide (enableWindow); sendEvent (SWT.Hide); } } void setZOrder (Control sibling, bool above, bool fixRelations) { setZOrder (sibling, above, fixRelations, true); } void setZOrder (Control sibling, bool above, bool fixRelations, bool fixChildren) { int index = 0, siblingIndex = 0, oldNextIndex = -1; Control[] children = null; if (fixRelations) { /* determine the receiver's and sibling's indexes in the parent */ children = parent._getChildren (); while (index < children.length) { if (children [index] is this) break; index++; } if (sibling !is null) { while (siblingIndex < children.length) { if (children [siblingIndex] is sibling) break; siblingIndex++; } } /* remove "Labelled by" relationships that will no longer be valid */ removeRelation (); if (index + 1 < children.length) { oldNextIndex = index + 1; children [oldNextIndex].removeRelation (); } if (sibling !is null) { if (above) { sibling.removeRelation (); } else { if (siblingIndex + 1 < children.length) { children [siblingIndex + 1].removeRelation (); } } } } auto topHandle_ = topHandle (); auto siblingHandle = sibling !is null ? sibling.topHandle () : null; auto window = OS.GTK_WIDGET_WINDOW (topHandle_); if (window !is null) { GdkWindow* siblingWindow; if (sibling !is null) { if (above && sibling.enableWindow !is null) { siblingWindow = enableWindow; } else { siblingWindow = OS.GTK_WIDGET_WINDOW (siblingHandle); } } auto redrawWindow = fixChildren ? parent.redrawWindow : null; if (!OS.GDK_WINDOWING_X11 () || (siblingWindow is null && (!above || redrawWindow is null))) { if (above) { OS.gdk_window_raise (window); if (redrawWindow !is null) OS.gdk_window_raise (redrawWindow); if (enableWindow !is null) OS.gdk_window_raise (enableWindow); } else { if (enableWindow !is null) OS.gdk_window_lower (enableWindow); OS.gdk_window_lower (window); } } else { XWindowChanges changes; changes.sibling = OS.gdk_x11_drawable_get_xid (cast(GdkDrawable*)(siblingWindow !is null ? siblingWindow : redrawWindow)); changes.stack_mode = above ? OS.Above : OS.Below; if (redrawWindow !is null && siblingWindow is null) changes.stack_mode = OS.Below; auto xDisplay = OS.gdk_x11_drawable_get_xdisplay (cast(GdkDrawable*)window); auto xWindow = OS.gdk_x11_drawable_get_xid (cast(GdkDrawable*)window); int xScreen = OS.XDefaultScreen (xDisplay); int flags = OS.CWStackMode | OS.CWSibling; /* * Feature in X. If the receiver is a top level, XConfigureWindow () * will fail (with a BadMatch error) for top level shells because top * level shells are reparented by the window manager and do not share * the same X window parent. This is the correct behavior but it is * unexpected. The fix is to use XReconfigureWMWindow () instead. * When the receiver is not a top level shell, XReconfigureWMWindow () * behaves the same as XConfigureWindow (). */ OS.XReconfigureWMWindow (xDisplay, xWindow, xScreen, flags, &changes); if (enableWindow !is null) { changes.sibling = OS.gdk_x11_drawable_get_xid (cast(GdkDrawable*)window); changes.stack_mode = OS.Above; xWindow = OS.gdk_x11_drawable_get_xid (cast(GdkDrawable*)enableWindow); OS.XReconfigureWMWindow (xDisplay, xWindow, xScreen, flags, &changes); } } } if (fixChildren) { if (above) { parent.moveAbove (topHandle_, siblingHandle); } else { parent.moveBelow (topHandle_, siblingHandle); } } /* Make sure that the parent internal windows are on the bottom of the stack */ if (!above && fixChildren) parent.fixZOrder (); if (fixRelations) { /* determine the receiver's new index in the parent */ if (sibling !is null) { if (above) { index = siblingIndex - (index < siblingIndex ? 1 : 0); } else { index = siblingIndex + (siblingIndex < index ? 1 : 0); } } else { if (above) { index = 0; } else { index = children.length - 1; } } /* add new "Labelled by" relations as needed */ children = parent._getChildren (); if (0 < index) { children [index - 1].addRelation (this); } if (index + 1 < children.length) { addRelation (children [index + 1]); } if (oldNextIndex !is -1) { if (oldNextIndex <= index) oldNextIndex--; /* the last two conditions below ensure that duplicate relations are not hooked */ if (0 < oldNextIndex && oldNextIndex !is index && oldNextIndex !is index + 1) { children [oldNextIndex - 1].addRelation (children [oldNextIndex]); } } } } void setWidgetBackground () { if (fixedHandle !is null) { auto style = OS.gtk_widget_get_modifier_style (fixedHandle); modifyStyle (fixedHandle, style); } auto style = OS.gtk_widget_get_modifier_style (handle); modifyStyle (handle, style); } bool showMenu (int x, int y) { Event event = new Event (); event.x = x; event.y = y; sendEvent (SWT.MenuDetect, event); if (event.doit) { if (menu !is null && !menu.isDisposed ()) { bool hooksKeys = hooks (SWT.KeyDown) || hooks (SWT.KeyUp); menu.createIMMenu (hooksKeys ? imHandle() : null); if (event.x !is x || event.y !is y) { menu.setLocation (event.x, event.y); } menu.setVisible (true); return true; } } return false; } void showWidget () { // Comment this line to disable zero-sized widgets state |= ZERO_WIDTH | ZERO_HEIGHT; auto topHandle_ = topHandle (); auto parentHandle = parent.parentingHandle (); parent.setParentWindow (topHandle_); OS.gtk_container_add (cast(GtkContainer*)parentHandle, topHandle_); if (handle !is null && handle !is topHandle_) OS.gtk_widget_show (handle); if ((state & (ZERO_WIDTH | ZERO_HEIGHT)) is 0) { if (fixedHandle !is null) OS.gtk_widget_show (fixedHandle); } if (fixedHandle !is null) fixStyle (fixedHandle); } void sort (int [] items) { /* Shell Sort from K&R, pg 108 */ int length = items.length; for (int gap=length/2; gap>0; gap/=2) { for (int i=gap; i<length; i++) { for (int j=i-gap; j>=0; j-=gap) { if (items [j] <= items [j + gap]) { int swap = items [j]; items [j] = items [j + gap]; items [j + gap] = swap; } } } } } /** * Based on the argument, perform one of the expected platform * traversal action. The argument should be one of the constants: * <code>SWT.TRAVERSE_ESCAPE</code>, <code>SWT.TRAVERSE_RETURN</code>, * <code>SWT.TRAVERSE_TAB_NEXT</code>, <code>SWT.TRAVERSE_TAB_PREVIOUS</code>, * <code>SWT.TRAVERSE_ARROW_NEXT</code> and <code>SWT.TRAVERSE_ARROW_PREVIOUS</code>. * * @param traversal the type of traversal * @return true if the traversal succeeded * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */ public bool traverse (int traversal) { checkWidget (); Event event = new Event (); event.doit = true; event.detail = traversal; return traverse (event); } bool translateMnemonic (Event event, Control control) { if (control is this) return false; if (!isVisible () || !isEnabled ()) return false; event.doit = this is display.mnemonicControl || mnemonicMatch (event.character); return traverse (event); } bool translateMnemonic (int keyval, GdkEventKey* gdkEvent) { int key = OS.gdk_keyval_to_unicode (keyval); if (key < 0x20) return false; if (gdkEvent.state is 0) { int code = traversalCode (keyval, gdkEvent); if ((code & SWT.TRAVERSE_MNEMONIC) is 0) return false; } else { Shell shell = _getShell (); int mask = OS.GDK_CONTROL_MASK | OS.GDK_SHIFT_MASK | OS.GDK_MOD1_MASK; if ((gdkEvent.state & mask) !is OS.gtk_window_get_mnemonic_modifier (cast(GtkWindow*)shell.shellHandle)) return false; } Decorations shell = menuShell (); if (shell.isVisible () && shell.isEnabled ()) { Event event = new Event (); event.detail = SWT.TRAVERSE_MNEMONIC; if (setKeyState (event, gdkEvent)) { return translateMnemonic (event, null) || shell.translateMnemonic (event, this); } } return false; } bool translateTraversal (GdkEventKey* keyEvent) { int detail = SWT.TRAVERSE_NONE; int key = keyEvent.keyval; int code = traversalCode (key, keyEvent); bool all = false; switch (key) { case OS.GDK_Escape: { all = true; detail = SWT.TRAVERSE_ESCAPE; break; } case OS.GDK_KP_Enter: case OS.GDK_Return: { all = true; detail = SWT.TRAVERSE_RETURN; break; } case OS.GDK_ISO_Left_Tab: case OS.GDK_Tab: { bool next = (keyEvent.state & OS.GDK_SHIFT_MASK) is 0; detail = next ? SWT.TRAVERSE_TAB_NEXT : SWT.TRAVERSE_TAB_PREVIOUS; break; } case OS.GDK_Up: case OS.GDK_Left: case OS.GDK_Down: case OS.GDK_Right: { bool next = key is OS.GDK_Down || key is OS.GDK_Right; if (parent !is null && (parent.style & SWT.MIRRORED) !is 0) { if (key is OS.GDK_Left || key is OS.GDK_Right) next = !next; } detail = next ? SWT.TRAVERSE_ARROW_NEXT : SWT.TRAVERSE_ARROW_PREVIOUS; break; } case OS.GDK_Page_Up: case OS.GDK_Page_Down: { all = true; if ((keyEvent.state & OS.GDK_CONTROL_MASK) is 0) return false; detail = key is OS.GDK_Page_Down ? SWT.TRAVERSE_PAGE_NEXT : SWT.TRAVERSE_PAGE_PREVIOUS; break; } default: return false; } Event event = new Event (); event.doit = (code & detail) !is 0; event.detail = detail; event.time = keyEvent.time; if (!setKeyState (event, keyEvent)) return false; Shell shell = getShell (); Control control = this; do { if (control.traverse (event)) return true; if (!event.doit && control.hooks (SWT.Traverse)) return false; if (control is shell) return false; control = control.parent; } while (all && control !is null); return false; } int traversalCode (int key, GdkEventKey* event) { int code = SWT.TRAVERSE_RETURN | SWT.TRAVERSE_TAB_NEXT | SWT.TRAVERSE_TAB_PREVIOUS | SWT.TRAVERSE_PAGE_NEXT | SWT.TRAVERSE_PAGE_PREVIOUS; Shell shell = getShell (); if (shell.parent !is null) code |= SWT.TRAVERSE_ESCAPE; return code; } bool traverse (Event event) { /* * It is possible (but unlikely), that application * code could have disposed the widget in the traverse * event. If this happens, return true to stop further * event processing. */ sendEvent (SWT.Traverse, event); if (isDisposed ()) return true; if (!event.doit) return false; switch (event.detail) { case SWT.TRAVERSE_NONE: return true; case SWT.TRAVERSE_ESCAPE: return traverseEscape (); case SWT.TRAVERSE_RETURN: return traverseReturn (); case SWT.TRAVERSE_TAB_NEXT: return traverseGroup (true); case SWT.TRAVERSE_TAB_PREVIOUS: return traverseGroup (false); case SWT.TRAVERSE_ARROW_NEXT: return traverseItem (true); case SWT.TRAVERSE_ARROW_PREVIOUS: return traverseItem (false); case SWT.TRAVERSE_MNEMONIC: return traverseMnemonic (cast(char) event.character); case SWT.TRAVERSE_PAGE_NEXT: return traversePage (true); case SWT.TRAVERSE_PAGE_PREVIOUS: return traversePage (false); default: } return false; } bool traverseEscape () { return false; } bool traverseGroup (bool next) { Control root = computeTabRoot (); Control group = computeTabGroup (); Control [] list = root.computeTabList (); int length = list.length; int index = 0; while (index < length) { if (list [index] is group) break; index++; } /* * It is possible (but unlikely), that application * code could have disposed the widget in focus in * or out events. Ensure that a disposed widget is * not accessed. */ if (index is length) return false; int start = index, offset = (next) ? 1 : -1; while ((index = ((index + offset + length) % length)) !is start) { Control control = list [index]; if (!control.isDisposed () && control.setTabGroupFocus (next)) { return true; } } if (group.isDisposed ()) return false; return group.setTabGroupFocus (next); } bool traverseItem (bool next) { Control [] children = parent._getChildren (); int length = children.length; int index = 0; while (index < length) { if (children [index] is this) break; index++; } /* * It is possible (but unlikely), that application * code could have disposed the widget in focus in * or out events. Ensure that a disposed widget is * not accessed. */ if (index is length) return false; int start = index, offset = (next) ? 1 : -1; while ((index = (index + offset + length) % length) !is start) { Control child = children [index]; if (!child.isDisposed () && child.isTabItem ()) { if (child.setTabItemFocus (next)) return true; } } return false; } bool traverseReturn () { return false; } bool traversePage (bool next) { return false; } bool traverseMnemonic (char key) { return mnemonicHit (key); } /** * Forces all outstanding paint requests for the widget * to be processed before this method returns. If there * are no outstanding paint request, this method does * nothing. * <p> * Note: This method does not cause a redraw. * </p> * * @exception SWTException <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see #redraw() * @see #redraw(int, int, int, int, bool) * @see PaintListener * @see SWT#Paint */ public void update () { checkWidget (); update (false, true); } void update (bool all, bool flush) { // checkWidget(); if (!OS.GTK_WIDGET_VISIBLE (topHandle ())) return; if ((OS.GTK_WIDGET_FLAGS (handle) & OS.GTK_REALIZED) is 0) return; auto window = paintWindow (); if (flush) display.flushExposes (window, all); OS.gdk_window_process_updates (window, all); OS.gdk_flush (); } void updateBackgroundMode () { int oldState = state & PARENT_BACKGROUND; checkBackground (); if (oldState !is (state & PARENT_BACKGROUND)) { setBackground (); } } void updateLayout (bool all) { /* Do nothing */ } override int /*long*/ windowProc (GtkWidget* handle, int /*long*/ arg0, int /*long*/ user_data) { switch (cast(int)/*64*/user_data) { case EXPOSE_EVENT_INVERSE: { if ((OS.GTK_VERSION < OS.buildVERSION (2, 8, 0)) && ((state & OBSCURED) is 0)) { Control control = findBackgroundControl (); if (control !is null && control.backgroundImage !is null) { GdkEventExpose* gdkEvent = cast(GdkEventExpose*)arg0; auto paintWindow = paintWindow(); auto window = gdkEvent.window; if (window !is paintWindow) break; auto gdkGC = OS.gdk_gc_new (cast(GdkDrawable*)window); OS.gdk_gc_set_clip_region (gdkGC, gdkEvent.region); int dest_x, dest_y; OS.gtk_widget_translate_coordinates (paintHandle (), control.paintHandle (), 0, 0, &dest_x, &dest_y); OS.gdk_gc_set_fill (gdkGC, OS.GDK_TILED); OS.gdk_gc_set_ts_origin (gdkGC, -dest_x, -dest_y); OS.gdk_gc_set_tile (gdkGC, cast(GdkPixmap*)control.backgroundImage.pixmap); OS.gdk_draw_rectangle (cast(GdkDrawable*)window, gdkGC, 1, gdkEvent.area.x, gdkEvent.area.y, gdkEvent.area.width, gdkEvent.area.height); OS.g_object_unref (gdkGC); } } break; default: } } return super.windowProc (handle, arg0, user_data); } }