Mercurial > projects > dwt-linux
diff dwt/widgets/ToolTip.d @ 47:f646579f309c
Tray, Tooltip, TrayItem, Item
author | Frank Benoit <benoit@tionex.de> |
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date | Fri, 11 Jan 2008 08:34:26 +0100 |
parents | |
children | 93981635e709 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dwt/widgets/ToolTip.d Fri Jan 11 08:34:26 2008 +0100 @@ -0,0 +1,771 @@ +/******************************************************************************* + * Copyright (c) 2000, 2007 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 + *******************************************************************************/ +module dwt.widgets.ToolTip; + +import dwt.widgets.Widget; +import dwt.widgets.TrayItem; +import dwt.widgets.Shell; +import dwt.SWT; +//import dwt.internal.*; +import dwt.internal.gtk.OS; +import dwt.graphics.Point; +import dwt.graphics.Color; +import dwt.events.SelectionListener; +import dwt.events.SelectionEvent; +import dwt.widgets.TypedListener; +import dwt.widgets.Event; +import dwt.widgets.Display; + +import tango.stdc.stringz; + +/** + * Instances of this class represent popup windows that are used + * to inform or warn the user. + * <p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>BALLOON, ICON_ERROR, ICON_INFORMATION, ICON_WARNING</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection</dd> + * </dl> + * </p><p> + * Note: Only one of the styles ICON_ERROR, ICON_INFORMATION, + * and ICON_WARNING may be specified. + * </p><p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + * + * @since 3.2 + */ +public class ToolTip : Widget { + Shell parent; + char[] text, message; + TrayItem item; + int x, y, timerId; + void* layoutText, layoutMessage; + int [] borderPolygon; + bool spikeAbove, autohide; + CallbackData timerProcCallbackData; + + static final int BORDER = 5; + static final int PADDING = 5; + static final int INSET = 4; + static final int TIP_HEIGHT = 20; + static final int IMAGE_SIZE = 16; + static final int DELAY = 8000; + +/** + * 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#ICON_ERROR + * @see SWT#ICON_INFORMATION + * @see SWT#ICON_WARNING + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public this (Shell parent, int style) { + super (parent, checkStyle (style)); + this.parent = parent; + createWidget (0); +} + +static int checkStyle (int style) { + int mask = SWT.ICON_ERROR | SWT.ICON_INFORMATION | SWT.ICON_WARNING; + if ((style & mask) is 0) return style; + return checkBits (style, SWT.ICON_INFORMATION, SWT.ICON_WARNING, SWT.ICON_ERROR, 0, 0, 0); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver is selected by the user, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * <code>widgetSelected</code> is called when the receiver is selected. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified when the receiver is selected by the user + * + * @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 SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +void configure () { + auto screen = OS.gdk_screen_get_default (); + OS.gtk_widget_realize (handle); + int monitorNumber = OS.gdk_screen_get_monitor_at_window (screen, OS.GTK_WIDGET_WINDOW (handle)); + GdkRectangle* dest = new GdkRectangle (); + OS.gdk_screen_get_monitor_geometry (screen, monitorNumber, dest); + Point point = getSize (dest.width / 4); + int w = point.x; + int h = point.y; + point = getLocation (); + int x = point.x; + int y = point.y; + OS.gtk_window_resize (cast(GtkWindow*)handle, w, h + TIP_HEIGHT); + int[] polyline; + spikeAbove = dest.height >= y + h + TIP_HEIGHT; + if (dest.width >= x + w) { + if (dest.height >= y + h + TIP_HEIGHT) { + int t = TIP_HEIGHT; + polyline = [ + 0, 5+t, 1, 5+t, 1, 3+t, 3, 1+t, 5, 1+t, 5, t, + 16, t, 16, 0, 35, t, + w-5, t, w-5, 1+t, w-3, 1+t, w-1, 3+t, w-1, 5+t, w, 5+t, + w, h-5+t, w-1, h-5+t, w-1, h-3+t, w-2, h-3+t, w-2, h-2+t, w-3, h-2+t, w-3, h-1+t, w-5, h-1+t, w-5, h+t, + 5, h+t, 5, h-1+t, 3, h-1+t, 3, h-2+t, 2, h-2+t, 2, h-3+t, 1, h-3+t, 1, h-5+t, 0, h-5+t, + 0, 5+t]; + borderPolygon = [ + 0, 5+t, 1, 4+t, 1, 3+t, 3, 1+t, 4, 1+t, 5, t, + 16, t, 16, 1, 35, t, + w-6, 0+t, w-5, 1+t, w-4, 1+t, w-2, 3+t, w-2, 4+t, w-1, 5+t, + w-1, h-6+t, w-2, h-5+t, w-2, h-4+t, w-4, h-2+t, w-5, h-2+t, w-6, h-1+t, + 5, h-1+t, 4, h-2+t, 3, h-2+t, 1, h-4+t, 1, h-5+t, 0, h-6+t, + 0, 5+t]; + OS.gtk_window_move (cast(GtkWindow*)handle, Math.max(0, x - 17), y); + } else { + polyline = [ + 0, 5, 1, 5, 1, 3, 3, 1, 5, 1, 5, 0, + w-5, 0, w-5, 1, w-3, 1, w-1, 3, w-1, 5, w, 5, + w, h-5, w-1, h-5, w-1, h-3, w-2, h-3, w-2, h-2, w-3, h-2, w-3, h-1, w-5, h-1, w-5, h, + 35, h, 16, h+TIP_HEIGHT, 16, h, + 5, h, 5, h-1, 3, h-1, 3, h-2, 2, h-2, 2, h-3, 1, h-3, 1, h-5, 0, h-5, + 0, 5]; + borderPolygon = [ + 0, 5, 1, 4, 1, 3, 3, 1, 4, 1, 5, 0, + w-6, 0, w-5, 1, w-4, 1, w-2, 3, w-2, 4, w-1, 5, + w-1, h-6, w-2, h-5, w-2, h-4, w-4, h-2, w-5, h-2, w-6, h-1, + 35, h-1, 17, h+TIP_HEIGHT-2, 17, h-1, + 5, h-1, 4, h-2, 3, h-2, 1, h-4, 1, h-5, 0, h-6, + 0, 5]; + OS.gtk_window_move (cast(GtkWindow*)handle, Math.max(0, x - 17), y - h - TIP_HEIGHT); + } + } else { + if (dest.height >= y + h + TIP_HEIGHT) { + int t = TIP_HEIGHT; + polyline = [ + 0, 5+t, 1, 5+t, 1, 3+t, 3, 1+t, 5, 1+t, 5, t, + w-35, t, w-16, 0, w-16, t, + w-5, t, w-5, 1+t, w-3, 1+t, w-1, 3+t, w-1, 5+t, w, 5+t, + w, h-5+t, w-1, h-5+t, w-1, h-3+t, w-2, h-3+t, w-2, h-2+t, w-3, h-2+t, w-3, h-1+t, w-5, h-1+t, w-5, h+t, + 5, h+t, 5, h-1+t, 3, h-1+t, 3, h-2+t, 2, h-2+t, 2, h-3+t, 1, h-3+t, 1, h-5+t, 0, h-5+t, + 0, 5+t]; + borderPolygon = [ + 0, 5+t, 1, 4+t, 1, 3+t, 3, 1+t, 4, 1+t, 5, t, + w-35, t, w-17, 2, w-17, t, + w-6, t, w-5, 1+t, w-4, 1+t, w-2, 3+t, w-2, 4+t, w-1, 5+t, + w-1, h-6+t, w-2, h-5+t, w-2, h-4+t, w-4, h-2+t, w-5, h-2+t, w-6, h-1+t, + 5, h-1+t, 4, h-2+t, 3, h-2+t, 1, h-4+t, 1, h-5+t, 0, h-6+t, + 0, 5+t]; + OS.gtk_window_move (cast(GtkWindow*)handle, Math.min(dest.width - w, x - w + 17), y); + } else { + polyline = [ + 0, 5, 1, 5, 1, 3, 3, 1, 5, 1, 5, 0, + w-5, 0, w-5, 1, w-3, 1, w-1, 3, w-1, 5, w, 5, + w, h-5, w-1, h-5, w-1, h-3, w-2, h-3, w-2, h-2, w-3, h-2, w-3, h-1, w-5, h-1, w-5, h, + w-16, h, w-16, h+TIP_HEIGHT, w-35, h, + 5, h, 5, h-1, 3, h-1, 3, h-2, 2, h-2, 2, h-3, 1, h-3, 1, h-5, 0, h-5, + 0, 5]; + borderPolygon = [ + 0, 5, 1, 4, 1, 3, 3, 1, 4, 1, 5, 0, + w-6, 0, w-5, 1, w-4, 1, w-2, 3, w-2, 4, w-1, 5, + w-1, h-6, w-2, h-5, w-2, h-4, w-4, h-2, w-5, h-2, w-6, h-1, + w-17, h-1, w-17, h+TIP_HEIGHT-2, w-36, h-1, + 5, h-1, 4, h-2, 3, h-2, 1, h-4, 1, h-5, 0, h-6, + 0, 5]; + OS.gtk_window_move (cast(GtkWindow*)handle, Math.min(dest.width - w, x - w + 17), y - h - TIP_HEIGHT); + } + } + auto rgn = OS.gdk_region_polygon ( cast(GdkPoint*)polyline.ptr, polyline.length / 2, OS.GDK_EVEN_ODD_RULE); + OS.gtk_widget_realize (handle); + auto window = OS.GTK_WIDGET_WINDOW (handle); + OS.gdk_window_shape_combine_region (window, rgn, 0, 0); + OS.gdk_region_destroy (rgn); +} + +void createHandle (int index) { + state |= HANDLE; + if ((style & SWT.BALLOON) !is 0) { + handle = OS.gtk_window_new (OS.GTK_WINDOW_POPUP); + Color background = display.getSystemColor (SWT.COLOR_INFO_BACKGROUND); + OS.gtk_widget_modify_bg (handle, OS.GTK_STATE_NORMAL, background.handle); + OS.gtk_widget_set_app_paintable (handle, true); + } else { + handle = cast(GtkWidget*)OS.gtk_tooltips_new (); + if (handle is null) SWT.error (SWT.ERROR_NO_HANDLES); + /* + * Bug in Solaris-GTK. Invoking gtk_tooltips_force_window() + * can cause a crash in older versions of GTK. The fix is + * to avoid this call if the GTK version is older than 2.2.x. + */ + if (OS.GTK_VERSION >= OS.buildVERSION (2, 2, 1)) { + OS.gtk_tooltips_force_window (cast(GtkTooltips*)handle); + } + OS.g_object_ref (handle); + OS.gtk_object_sink (cast(GtkObject*)handle); + } +} + +void createWidget (int index) { + super.createWidget (index); + text = ""; + message = ""; + x = y = -1; + autohide = true; +} + +void deregister () { + super.deregister (); + if ((style & SWT.BALLOON) is 0) { + auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); + if (tipWindow !is null) display.removeWidget (tipWindow); + } +} + +void destroyWidget () { + auto topHandle = topHandle (); + releaseHandle (); + if (topHandle !is null && (state & HANDLE) !is 0) { + if ((style & SWT.BALLOON) !is 0) { + OS.gtk_widget_destroy (topHandle); + } else { + OS.g_object_unref (topHandle); + } + } +} + +/** + * Returns <code>true</code> if the receiver is automatically + * hidden by the platform, and <code>false</code> otherwise. + * + * @return the receiver's auto hide 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 getAutoHide () { + checkWidget (); + return autohide; +} + +Point getLocation () { + int x = this.x; + int y = this.y; + if (item !is null) { + auto itemHandle = item.handle; + OS.gtk_widget_realize (itemHandle); + auto window = OS.GTK_WIDGET_WINDOW (itemHandle); + int px, py; + OS.gdk_window_get_origin (cast(GdkWindow*)window, &px, &py); + x = px + OS.GTK_WIDGET_WIDTH (itemHandle) / 2; + y = py + OS.GTK_WIDGET_HEIGHT (itemHandle) / 2; + } + if (x is -1 || y is -1) { + int px, py; + OS.gdk_window_get_pointer (null, &px, &py, null); + x = px; + y = py; + } + return new Point(x, y); +} + +/** + * Returns the receiver's message, which will be an empty + * string if it has never been set. + * + * @return the receiver's message + * + * @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 char[] getMessage () { + checkWidget (); + return message; +} + +char[] getNameText () { + return getText (); +} + +/** + * Returns the receiver's parent, which must be a <code>Shell</code>. + * + * @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 Shell getParent () { + checkWidget (); + return parent; +} + +Point getSize (int maxWidth) { + int textWidth = 0, messageWidth = 0; + int w, h; + if (layoutText !is null) { + OS.pango_layout_set_width (layoutText, -1); + OS.pango_layout_get_size (layoutText, &w, &h); + textWidth = OS.PANGO_PIXELS (w ); + } + if (layoutMessage !is null) { + OS.pango_layout_set_width (layoutMessage, -1); + OS.pango_layout_get_size (layoutMessage, &w, &h); + messageWidth = OS.PANGO_PIXELS (w ); + } + int messageTrim = 2 * INSET + 2 * BORDER + 2 * PADDING; + bool hasImage = layoutText !is null && (style & (SWT.ICON_ERROR | SWT.ICON_INFORMATION | SWT.ICON_WARNING)) !is 0; + int textTrim = messageTrim + (hasImage ? IMAGE_SIZE : 0); + int width = Math.min (maxWidth, Math.max (textWidth + textTrim, messageWidth + messageTrim)); + int textHeight = 0, messageHeight = 0; + if (layoutText !is null) { + OS.pango_layout_set_width (layoutText, (maxWidth - textTrim) * OS.PANGO_SCALE); + OS.pango_layout_get_size (layoutText, &w, &h); + textHeight = OS.PANGO_PIXELS (h ); + } + if (layoutMessage !is null) { + OS.pango_layout_set_width (layoutMessage, (maxWidth - messageTrim) * OS.PANGO_SCALE); + OS.pango_layout_get_size (layoutMessage, &w, &h); + messageHeight = OS.PANGO_PIXELS (h); + } + int height = 2 * BORDER + 2 * PADDING + messageHeight; + if (layoutText !is null) height += Math.max (IMAGE_SIZE, textHeight) + 2 * PADDING; + return new Point(width, height); +} + +/** + * Returns the receiver's text, which will be an empty + * string if it has never been set. + * + * @return the receiver's 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 char[] getText () { + checkWidget (); + return text; +} + +/** + * 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 (); + if ((style & SWT.BALLOON) !is 0) return OS.GTK_WIDGET_VISIBLE (handle); + auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); + return OS.GTK_WIDGET_VISIBLE (tipWindow); +} + +override int /*long*/ gtk_button_press_event (GtkWidget* widget, GdkEventButton* event) { + notifyListeners (SWT.Selection, new Event ()); + setVisible (false); + return 0; +} + +override int /*long*/ gtk_expose_event (GtkWidget* widget, GdkEventExpose* event) { + auto window = OS.GTK_WIDGET_WINDOW (handle); + auto gdkGC = cast(GdkGC*)OS.gdk_gc_new (window); + OS.gdk_draw_polygon (window, gdkGC, 0, cast(GdkPoint*)borderPolygon.ptr, borderPolygon.length / 2); + int x = BORDER + PADDING; + int y = BORDER + PADDING; + if (spikeAbove) y += TIP_HEIGHT; + if (layoutText !is null) { + char[] buffer = null; + int id = style & (SWT.ICON_ERROR | SWT.ICON_INFORMATION | SWT.ICON_WARNING); + switch (id) { + case SWT.ICON_ERROR: buffer = "gtk-dialog-error"; break; + case SWT.ICON_INFORMATION: buffer = "gtk-dialog-info"; break; + case SWT.ICON_WARNING: buffer = "gtk-dialog-warning"; break; + } + if (buffer !is null) { + auto style = OS.gtk_widget_get_default_style (); + auto pixbuf = OS.gtk_icon_set_render_icon ( + OS.gtk_icon_factory_lookup_default (buffer.ptr), + style, + OS.GTK_TEXT_DIR_NONE, + OS.GTK_STATE_NORMAL, + OS.GTK_ICON_SIZE_MENU, + null, + null); + OS.gdk_draw_pixbuf (window, gdkGC, pixbuf, 0, 0, x, y, IMAGE_SIZE, IMAGE_SIZE, OS.GDK_RGB_DITHER_NORMAL, 0, 0); + OS.g_object_unref (pixbuf); + x += IMAGE_SIZE; + } + x += INSET; + OS.gdk_draw_layout (window, gdkGC, x, y, layoutText); + int w, h; + OS.pango_layout_get_size (layoutText, &w, &h); + y += 2 * PADDING + Math.max (IMAGE_SIZE, OS.PANGO_PIXELS (h )); + } + if (layoutMessage !is null) { + x = BORDER + PADDING + INSET; + OS.gdk_draw_layout (window, gdkGC, x, y, layoutMessage); + } + OS.g_object_unref (gdkGC); + return 0; +} + +override int /*long*/ gtk_size_allocate (GtkWidget* widget, int /*long*/ allocation) { + Point point = getLocation (); + int x = point.x; + int y = point.y; + auto screen = OS.gdk_screen_get_default (); + OS.gtk_widget_realize (widget); + int monitorNumber = OS.gdk_screen_get_monitor_at_window (screen, OS.GTK_WIDGET_WINDOW (widget)); + GdkRectangle* dest = new GdkRectangle (); + OS.gdk_screen_get_monitor_geometry (screen, monitorNumber, dest); + int w = OS.GTK_WIDGET_WIDTH (widget); + int h = OS.GTK_WIDGET_HEIGHT (widget); + if (dest.height < y + h) y -= h; + if (dest.width < x + w) x -= w; + OS.gtk_window_move (cast(GtkWindow*)widget, x, y); + return 0; +} + +void hookEvents () { + if ((style & SWT.BALLOON) !is 0) { + OS.g_signal_connect_closure (handle, OS.expose_event.ptr, display.closures [EXPOSE_EVENT], false); + OS.gtk_widget_add_events (handle, OS.GDK_BUTTON_PRESS_MASK); + OS.g_signal_connect_closure (handle, OS.button_press_event.ptr, display.closures [BUTTON_PRESS_EVENT], false); + } else { + auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); + if (tipWindow !is null) { + OS.g_signal_connect_closure (tipWindow, OS.size_allocate.ptr, display.closures [SIZE_ALLOCATE], false); + OS.gtk_widget_add_events (tipWindow, OS.GDK_BUTTON_PRESS_MASK); + OS.g_signal_connect_closure (tipWindow, OS.button_press_event.ptr, display.closures [BUTTON_PRESS_EVENT], false); + } + } +} + +/** + * Returns <code>true</code> if the receiver is visible and all + * of the receiver's ancestors are visible and <code>false</code> + * otherwise. + * + * @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 (); +} + +void register () { + super.register (); + if ((style & SWT.BALLOON) is 0) { + auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); + if (tipWindow !is null) display.addWidget (tipWindow, this); + } +} + +void releaseWidget () { + super.releaseWidget (); + if (layoutText !is null) OS.g_object_unref (layoutText); + layoutText = null; + if (layoutMessage !is null) OS.g_object_unref (layoutMessage); + layoutMessage = null; + if (timerId !is 0) OS.gtk_timeout_remove(timerId); + timerId = 0; + text = null; + message = null; + borderPolygon = null; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver is selected by the user. + * + * @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 SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener (SelectionListener listener) { + checkWidget(); + if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable is null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection, listener); +} + +/** + * Makes the receiver hide automatically when <code>true</code>, + * and remain visible when <code>false</code>. + * + * @param autoHide the auto hide 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 + * @see #setVisible + */ +public void setAutoHide (bool autohide) { + checkWidget (); + this.autohide = autohide; + //TODO - update when visible +} + +/** + * Sets the location of the receiver, which must be a tooltip, + * to the point specified by the arguments which are relative + * to the display. + * <p> + * Note that this is different from most widgets where the + * location of the widget is relative to the parent. + * </p> + * + * @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 (); + this.x = x; + this.y = y; + if ((style & SWT.BALLOON) !is 0) { + if (OS.GTK_WIDGET_VISIBLE (handle)) configure (); + } else { + auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); + if (OS.GTK_WIDGET_VISIBLE (tipWindow)) { + OS.gtk_window_move (cast(GtkWindow*)tipWindow, x, y); + } + } +} + +/** + * Sets the location of the receiver, which must be a tooltip, + * to the point specified by the argument which is relative + * to the display. + * <p> + * Note that this is different from most widgets where the + * location of the widget is relative to the parent. + * </p><p> + * Note that the platform window manager ultimately has control + * over the location of tooltips. + * </p> + * + * @param location the new location 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 setLocation (Point location) { + checkWidget (); + if (location is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); + setLocation (location.x, location.y); +} + +/** + * Sets the receiver's message. + * + * @param string the new message + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text 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 setMessage (char[] string) { + checkWidget (); + if (string is null) error (SWT.ERROR_NULL_ARGUMENT); + message = string; + if ((style & SWT.BALLOON) is 0) return; + if (layoutMessage !is null) OS.g_object_unref (layoutMessage); + layoutMessage = null; + if (message.length !is 0) { + layoutMessage = OS.gtk_widget_create_pango_layout (handle, toStringz( message )); + OS.pango_layout_set_wrap (layoutMessage, OS.PANGO_WRAP_WORD_CHAR); + } + if (OS.GTK_WIDGET_VISIBLE (handle)) configure (); +} + +/** + * Sets the receiver's text. + * + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text 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 setText (char[] string) { + checkWidget (); + if (string is null) error (SWT.ERROR_NULL_ARGUMENT); + text = string; + if ((style & SWT.BALLOON) is 0) return; + if (layoutText !is null) OS.g_object_unref (layoutText); + layoutText = null; + if (text.length !is 0) { + layoutText = OS.gtk_widget_create_pango_layout (handle, toStringz(text)); + auto boldAttr = OS.pango_attr_weight_new (OS.PANGO_WEIGHT_BOLD); + boldAttr.start_index = 0; + boldAttr.end_index = text.length+1; + auto attrList = OS.pango_attr_list_new (); + OS.pango_attr_list_insert (attrList, boldAttr); + OS.pango_layout_set_attributes (layoutText, attrList); + OS.pango_attr_list_unref (attrList); + OS.pango_layout_set_wrap (layoutText, OS.PANGO_WRAP_WORD_CHAR); + } + if (OS.GTK_WIDGET_VISIBLE (handle)) configure (); +} + +/** + * 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) { + if (timerId !is 0) OS.gtk_timeout_remove(timerId); + timerId = 0; + if (visible) { + if ((style & SWT.BALLOON) !is 0) { + configure (); + OS.gtk_widget_show (handle); + } else { + auto vboxHandle = parent.vboxHandle; + char[] string = text; + if (text.length > 0) string ~= "\n\n"; + string ~= message; + char* buffer = toStringz( string ); + OS.gtk_tooltips_set_tip (cast(GtkTooltips*)handle, vboxHandle, buffer, null); + auto data = OS.gtk_tooltips_data_get (vboxHandle); + OS.GTK_TOOLTIPS_SET_ACTIVE (cast(GtkTooltips*)handle, data); + OS.gtk_tooltips_set_tip (cast(GtkTooltips*)handle, vboxHandle, buffer, null); + } + if (autohide) timerId = display.doWindowTimerAdd( &timerProcCallbackData, DELAY, handle); + } else { + if ((style & SWT.BALLOON) !is 0) { + OS.gtk_widget_hide (handle); + } else { + auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); + OS.gtk_widget_hide (tipWindow); + } + } +} + +override int /*long*/ timerProc (GtkWidget* widget) { + if ((style & SWT.BALLOON) !is 0) { + OS.gtk_widget_hide (handle); + } else { + auto tipWindow = OS.GTK_TOOLTIPS_TIP_WINDOW (cast(GtkTooltips*)handle); + OS.gtk_widget_hide (tipWindow); + } + return 0; +} + +}