Mercurial > projects > dwt2
view org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Text.d @ 113:fb3aa8075988
D2 support for the linux port.
author | Jacob Carlborg <doob@me.com> |
---|---|
date | Wed, 06 Apr 2011 21:57:23 +0200 |
parents | c01d033c633a |
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.Text; import java.lang.all; import org.eclipse.swt.SWT; import org.eclipse.swt.internal.gtk.OS; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.widgets.TypedListener; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.VerifyListener; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Scrollable; import org.eclipse.swt.widgets.Composite; version(Tango){ static import tango.stdc.string; } else { // Phobos } /** * Instances of this class are selectable user interface * objects that allow the user to enter and modify text. * Text controls can be either single or multi-line. * When a text control is created with a border, the * operating system includes a platform specific inset * around the contents of the control. When created * without a border, an effort is made to remove the * inset such that the preferred size of the control * is the same size as the contents. * <p> * <dl> * <dt><b>Styles:</b></dt> * <dd>CANCEL, CENTER, LEFT, MULTI, PASSWORD, SEARCH, SINGLE, RIGHT, READ_ONLY, WRAP</dd> * <dt><b>Events:</b></dt> * <dd>DefaultSelection, Modify, Verify</dd> * </dl> * <p> * Note: Only one of the styles MULTI and SINGLE may be specified, * and only one of the styles LEFT, CENTER, and RIGHT may be specified. * </p><p> * IMPORTANT: This class is <em>not</em> intended to be subclassed. * </p> * * @see <a href="http://www.eclipse.org/swt/snippets/#text">Text 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 class Text : Scrollable { alias Scrollable.computeSize computeSize; alias Scrollable.dragDetect dragDetect; alias Scrollable.setBackgroundColor setBackgroundColor; alias Scrollable.setCursor setCursor; alias Scrollable.setOrientation setOrientation; alias Scrollable.translateTraversal translateTraversal; GtkTextBuffer* bufferHandle; int tabs = 8, lastEventTime = 0; GdkEventKey* gdkEventKey; int fixStart = -1, fixEnd = -1; bool doubleClick; String message = ""; static const int INNER_BORDER = 2; //static const int ITER_SIZEOF = GtkTextIter.sizeof; /** * The maximum number of characters that can be entered * into a text widget. * <p> * Note that this value is platform dependent, based upon * the native widget implementation. * </p> */ public const static int LIMIT = 0x7FFFFFFF; /** * The delimiter used by multi-line text widgets. When text * is queried and from the widget, it will be delimited using * this delimiter. */ public const static String DELIMITER = "\n"; /* * These values can be different on different platforms. * Therefore they are not initialized in the declaration * to stop the compiler from inlining. */ // <keinfarbton> avoid static ctor //static { // LIMIT = 0x7FFFFFFF; // DELIMITER = "\n"; //} /** * 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#SINGLE * @see SWT#MULTI * @see SWT#READ_ONLY * @see SWT#WRAP * @see Widget#checkSubclass * @see Widget#getStyle */ public this (Composite parent, int style) { super (parent, checkStyle (style)); } static int checkStyle (int style) { if ((style & SWT.SEARCH) !is 0) { style |= SWT.SINGLE | SWT.BORDER; style &= ~SWT.PASSWORD; } style &= ~SWT.SEARCH; if ((style & SWT.SINGLE) !is 0 && (style & SWT.MULTI) !is 0) { style &= ~SWT.MULTI; } style = checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0); if ((style & SWT.SINGLE) !is 0) style &= ~(SWT.H_SCROLL | SWT.V_SCROLL | SWT.WRAP); if ((style & SWT.WRAP) !is 0) { style |= SWT.MULTI; style &= ~SWT.H_SCROLL; } if ((style & SWT.MULTI) !is 0) style &= ~SWT.PASSWORD; if ((style & (SWT.SINGLE | SWT.MULTI)) !is 0) return style; if ((style & (SWT.H_SCROLL | SWT.V_SCROLL)) !is 0) return style | SWT.MULTI; return style | SWT.SINGLE; } override void createHandle (int index) { state |= HANDLE | MENU; fixedHandle = cast(GtkWidget*) OS.g_object_new (display.gtk_fixed_get_type (), null); if (fixedHandle is null) error (SWT.ERROR_NO_HANDLES); OS.gtk_fixed_set_has_window (cast(GtkFixed*)fixedHandle, true); if ((style & SWT.SINGLE) !is 0) { handle = OS.gtk_entry_new (); if (handle is null) error (SWT.ERROR_NO_HANDLES); OS.gtk_container_add (cast(GtkContainer*)fixedHandle, handle); OS.gtk_editable_set_editable (cast(GtkEditable*)handle, (style & SWT.READ_ONLY) is 0); OS.gtk_entry_set_has_frame (cast(GtkEntry*)handle, (style & SWT.BORDER) !is 0); OS.gtk_entry_set_visibility (cast(GtkEntry*)handle, (style & SWT.PASSWORD) is 0); float alignment = 0.0f; if ((style & SWT.CENTER) !is 0) alignment = 0.5f; if ((style & SWT.RIGHT) !is 0) alignment = 1.0f; if (alignment > 0.0f) { OS.gtk_entry_set_alignment (cast(GtkEntry*)handle, alignment); } } else { scrolledHandle = cast(GtkWidget*) OS.gtk_scrolled_window_new (null, null); if (scrolledHandle is null) error (SWT.ERROR_NO_HANDLES); handle = OS.gtk_text_view_new (); if (handle is null) error (SWT.ERROR_NO_HANDLES); bufferHandle = OS.gtk_text_view_get_buffer (cast(GtkTextView*)handle); if (bufferHandle is null) error (SWT.ERROR_NO_HANDLES); OS.gtk_container_add (cast(GtkContainer*)fixedHandle, scrolledHandle); OS.gtk_container_add (cast(GtkContainer*)scrolledHandle, handle); OS.gtk_text_view_set_editable (cast(GtkTextView*)handle, (style & SWT.READ_ONLY) is 0); if ((style & SWT.WRAP) !is 0) OS.gtk_text_view_set_wrap_mode (cast(GtkTextView*)handle, OS.GTK_WRAP_WORD_CHAR); int hsp = (style & SWT.H_SCROLL) !is 0 ? OS.GTK_POLICY_ALWAYS : OS.GTK_POLICY_NEVER; int vsp = (style & SWT.V_SCROLL) !is 0 ? OS.GTK_POLICY_ALWAYS : OS.GTK_POLICY_NEVER; OS.gtk_scrolled_window_set_policy (cast(GtkScrolledWindow*)scrolledHandle, hsp, vsp); if ((style & SWT.BORDER) !is 0) { OS.gtk_scrolled_window_set_shadow_type (cast(GtkScrolledWindow*)scrolledHandle, OS.GTK_SHADOW_ETCHED_IN); } int just = OS.GTK_JUSTIFY_LEFT; if ((style & SWT.CENTER) !is 0) just = OS.GTK_JUSTIFY_CENTER; if ((style & SWT.RIGHT) !is 0) just = OS.GTK_JUSTIFY_RIGHT; OS.gtk_text_view_set_justification (cast(GtkTextView*)handle, just); } } override void createWidget (int index) { super.createWidget (index); doubleClick = true; } /** * Adds the listener to the collection of listeners who will * be notified when the receiver's text is modified, by sending * it one of the messages defined in the <code>ModifyListener</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 ModifyListener * @see #removeModifyListener */ public void addModifyListener (ModifyListener listener) { checkWidget (); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (SWT.Modify, typedListener); } /** * Adds the listener to the collection of listeners who will * be notified when the control is selected by the user, by sending * it one of the messages defined in the <code>SelectionListener</code> * interface. * <p> * <code>widgetSelected</code> is not called for texts. * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed in a single-line text, * or when ENTER is pressed in a search text. If the receiver has the <code>SWT.SEARCH | SWT.CANCEL</code> style * and the user cancels the search, the event object detail field contains the value <code>SWT.CANCEL</code>. * </p> * * @param listener the listener which should be notified when the control 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); } /** * Adds the listener to the collection of listeners who will * be notified when the receiver's text is verified, by sending * it one of the messages defined in the <code>VerifyListener</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 VerifyListener * @see #removeVerifyListener */ public void addVerifyListener (VerifyListener listener) { checkWidget(); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); TypedListener typedListener = new TypedListener (listener); addListener (SWT.Verify, typedListener); } /** * Appends a string. * <p> * The new text is appended to the text at * the end of the widget. * </p> * * @param string the string to be appended * * @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 append (String string) { checkWidget (); // SWT extension: allow null for zero length string //if (string is null) error (SWT.ERROR_NULL_ARGUMENT); if ((style & SWT.SINGLE) !is 0) { int dummy = -1; OS.gtk_editable_insert_text (cast(GtkEditable*)handle, string.ptr, string.length, &dummy ); OS.gtk_editable_set_position (cast(GtkEditable*)handle, -1); } else { GtkTextIter position; OS.gtk_text_buffer_get_end_iter (bufferHandle, &position); OS.gtk_text_buffer_insert (bufferHandle, &position, string.ptr, string.length); OS.gtk_text_buffer_place_cursor (bufferHandle, &position); auto mark = OS.gtk_text_buffer_get_insert (bufferHandle); OS.gtk_text_view_scroll_mark_onscreen (cast(GtkTextView*)handle, mark); } } /** * Clears the selection. * * @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 clearSelection () { checkWidget (); if ((style & SWT.SINGLE) !is 0) { int position = OS.gtk_editable_get_position (cast(GtkEditable*)handle); OS.gtk_editable_select_region (cast(GtkEditable*)handle, position, position); } else { GtkTextIter position; auto insertMark = OS.gtk_text_buffer_get_insert (bufferHandle); auto selectionMark = OS.gtk_text_buffer_get_selection_bound (bufferHandle); OS.gtk_text_buffer_get_iter_at_mark (bufferHandle, &position, insertMark); OS.gtk_text_buffer_move_mark (bufferHandle, selectionMark, &position); OS.gtk_text_buffer_move_mark (bufferHandle, insertMark, &position); } } override 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; int w , h; if ((style & SWT.SINGLE) !is 0) { OS.gtk_widget_realize (handle); auto layout = OS.gtk_entry_get_layout (cast(GtkEntry*)handle); OS.pango_layout_get_size (layout, &w, &h); } else { GtkTextIter start; GtkTextIter end; OS.gtk_text_buffer_get_bounds (bufferHandle, &start, &end); auto text = OS.gtk_text_buffer_get_text (bufferHandle, &start, &end, true); auto layout = OS.gtk_widget_create_pango_layout (handle, text); OS.g_free (text); OS.pango_layout_set_width (layout, wHint * OS.PANGO_SCALE); OS.pango_layout_get_size (layout, &w, &h); OS.g_object_unref (layout); } int width = OS.PANGO_PIXELS (w); int height = OS.PANGO_PIXELS (h); //This code is intentionally commented // if ((style & SWT.SEARCH) !is 0 && message.length () !is 0) { // GC gc = new GC (this); // Point size = gc.stringExtent (message); // width = Math.max (width, size.x); // gc.dispose (); // } if (width is 0) width = DEFAULT_WIDTH; if (height is 0) height = DEFAULT_HEIGHT; width = wHint is SWT.DEFAULT ? width : wHint; height = hHint is SWT.DEFAULT ? height : hHint; Rectangle trim = computeTrim (0, 0, width, height); return new Point (trim.width, trim.height); } override public Rectangle computeTrim (int x, int y, int width, int height) { checkWidget (); Rectangle trim = super.computeTrim (x, y, width, height); int xborder = 0, yborder = 0; if ((style & SWT.SINGLE) !is 0) { if ((style & SWT.BORDER) !is 0) { auto style = OS.gtk_widget_get_style (handle); xborder += OS.gtk_style_get_xthickness (style); yborder += OS.gtk_style_get_ythickness (style); } xborder += INNER_BORDER; yborder += INNER_BORDER; } else { int borderWidth = OS.gtk_container_get_border_width (cast(GtkContainer*)handle); xborder += borderWidth; yborder += borderWidth; } int property; OS.gtk_widget_style_get1 (handle, OS.interior_focus.ptr, &property); if (property is 0) { OS.gtk_widget_style_get1 (handle, OS.focus_line_width.ptr, &property); xborder += property; yborder += property; } trim.x -= xborder; trim.y -= yborder; trim.width += 2 * xborder; trim.height += 2 * yborder; return new Rectangle (trim.x, trim.y, trim.width, trim.height); } /** * Copies the selected text. * <p> * The current selection is copied to the clipboard. * </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> */ public void copy () { checkWidget (); if ((style & SWT.SINGLE) !is 0) { OS.gtk_editable_copy_clipboard (cast(GtkEditable*)handle); } else { auto clipboard = OS.gtk_clipboard_get (cast(void*)OS.GDK_NONE); OS.gtk_text_buffer_copy_clipboard (bufferHandle, clipboard); } } /** * Cuts the selected text. * <p> * The current selection is first copied to the * clipboard and then deleted from the widget. * </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> */ public void cut () { checkWidget (); if ((style & SWT.SINGLE) !is 0) { OS.gtk_editable_cut_clipboard (cast(GtkEditable*)handle); } else { auto clipboard = OS.gtk_clipboard_get (cast(void*)OS.GDK_NONE); OS.gtk_text_buffer_cut_clipboard (bufferHandle, clipboard, OS.gtk_text_view_get_editable (cast(GtkTextView*)handle)); } } override void deregister () { super.deregister (); if (bufferHandle !is null) display.removeWidget (cast(GtkWidget*)bufferHandle); auto imContext = imContext (); if (imContext !is null) display.removeWidget (cast(GtkWidget*)imContext); } override bool dragDetect (int x, int y, bool filter, bool* consume) { if (filter) { int start = 0, end = 0; if ((style & SWT.SINGLE) !is 0) { int s, e; OS.gtk_editable_get_selection_bounds (cast(GtkEditable*)handle, &s, &e); start = s; end = e; } else { GtkTextIter s; GtkTextIter e; OS.gtk_text_buffer_get_selection_bounds (bufferHandle, &s, &e); start = OS.gtk_text_iter_get_offset (&s); end = OS.gtk_text_iter_get_offset (&e); } if (start !is end) { if (end < start) { int temp = end; end = start; start = temp; } int position = -1; if ((style & SWT.SINGLE) !is 0) { int index; int trailing; auto layout = OS.gtk_entry_get_layout (cast(GtkEntry*)handle); OS.pango_layout_xy_to_index (layout, x * OS.PANGO_SCALE, y * OS.PANGO_SCALE, &index, &trailing); auto ptr = OS.pango_layout_get_text (layout); position = cast(int)/*64*/OS.g_utf8_pointer_to_offset (ptr, ptr + index) + trailing; } else { GtkTextIter p; OS.gtk_text_view_get_iter_at_location (cast(GtkTextView*)handle, &p, x, y); position = OS.gtk_text_iter_get_offset (&p); } if (start <= position && position < end) { if (super.dragDetect (x, y, filter, consume)) { if (consume !is null) consume [0] = true; return true; } } } return false; } return super.dragDetect (x, y, filter, consume); } override GdkDrawable* eventWindow () { return paintWindow (); } override bool filterKey (int keyval, GdkEventKey* event) { int time = OS.gdk_event_get_time (cast(GdkEvent*)event); if (time !is lastEventTime) { lastEventTime = time; auto imContext = imContext (); if (imContext !is null) { return cast(bool)OS.gtk_im_context_filter_keypress (imContext, event); } } gdkEventKey = event; return false; } void fixIM () { /* * The IM filter has to be called one time for each key press event. * When the IM is open the key events are duplicated. The first event * is filtered by SWT and the second event is filtered by GTK. In some * cases the GTK handler does not run (the widget is destroyed, the * application code consumes the event, etc), for these cases the IM * filter has to be called by SWT. */ if (gdkEventKey !is null && gdkEventKey !is cast(GdkEventKey*)-1) { auto imContext = imContext (); if (imContext !is null) { OS.gtk_im_context_filter_keypress (imContext, gdkEventKey); gdkEventKey = cast(GdkEventKey*)-1; return; } } gdkEventKey = null; } override GdkColor* getBackgroundColor () { return getBaseColor (); } public override int getBorderWidth () { checkWidget(); if ((style & SWT.MULTI) !is 0) return super.getBorderWidth (); auto style = OS.gtk_widget_get_style (handle); if ((this.style & SWT.BORDER) !is 0) { return OS.gtk_style_get_xthickness (style); } return 0; } /** * Returns the line number of the caret. * <p> * The line number of the caret is returned. * </p> * * @return the line number * * @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 getCaretLineNumber () { checkWidget (); if ((style & SWT.SINGLE) !is 0) return 1; GtkTextIter position; auto mark = OS.gtk_text_buffer_get_insert (bufferHandle); OS.gtk_text_buffer_get_iter_at_mark (bufferHandle, &position, mark); return OS.gtk_text_iter_get_line (&position); } /** * Returns a point describing the receiver's location relative * to its parent (or its display if its parent is null). * <p> * The location of the caret is returned. * </p> * * @return a point, the location of the caret * * @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 getCaretLocation () { checkWidget (); if ((style & SWT.SINGLE) !is 0) { int index = OS.gtk_editable_get_position (cast(GtkEditable*)handle); if (OS.GTK_VERSION >= OS.buildVERSION (2, 6, 0)) { index = OS.gtk_entry_text_index_to_layout_index (cast(GtkEntry*)handle, index); } int offset_x, offset_y; OS.gtk_entry_get_layout_offsets (cast(GtkEntry*)handle, &offset_x, &offset_y); auto layout = OS.gtk_entry_get_layout (cast(GtkEntry*)handle); PangoRectangle pos; OS.pango_layout_index_to_pos (layout, index, &pos); int x = offset_x + OS.PANGO_PIXELS (pos.x) - getBorderWidth (); int y = offset_y + OS.PANGO_PIXELS (pos.y); return new Point (x, y); } GtkTextIter position; auto mark = OS.gtk_text_buffer_get_insert (bufferHandle); OS.gtk_text_buffer_get_iter_at_mark (bufferHandle, &position, mark); GdkRectangle rect; OS.gtk_text_view_get_iter_location (cast(GtkTextView*)handle, &position, &rect); int x; int y; OS.gtk_text_view_buffer_to_window_coords (cast(GtkTextView*)handle, OS.GTK_TEXT_WINDOW_TEXT, rect.x, rect.y, &x, &y); return new Point (x, y); } /** * Returns the character position of the caret. * <p> * Indexing is zero based. * </p> * * @return the position of the caret * * @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 getCaretPosition () { checkWidget (); if ((style & SWT.SINGLE) !is 0) { return OS.gtk_editable_get_position (cast(GtkEditable*)handle); } GtkTextIter position; auto mark = OS.gtk_text_buffer_get_insert (bufferHandle); OS.gtk_text_buffer_get_iter_at_mark (bufferHandle, &position, mark); return OS.gtk_text_iter_get_offset (&position); } /** * Returns the number of characters. * * @return number of characters in the widget * * @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 getCharCount () { checkWidget (); if ((style & SWT.SINGLE) !is 0) { auto ptr = OS.gtk_entry_get_text (cast(GtkEntry*)handle); return cast(int)/*64*/OS.g_utf8_strlen (ptr, -1); } return OS.gtk_text_buffer_get_char_count (bufferHandle); } /** * Returns the double click enabled flag. * <p> * The double click flag enables or disables the * default action of the text widget when the user * double clicks. * </p> * * @return whether or not double click is enabled * * @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 getDoubleClickEnabled () { checkWidget (); return doubleClick; } /** * Returns the echo character. * <p> * The echo character is the character that is * displayed when the user enters text or the * text is changed by the programmer. * </p> * * @return the echo character * * @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 #setEchoChar */ public char getEchoChar () { checkWidget (); if ((style & SWT.SINGLE) !is 0) { if (!OS.gtk_entry_get_visibility (cast(GtkEntry*)handle)) { return cast(char) OS.gtk_entry_get_invisible_char (cast(GtkEntry*)handle); } } return '\0'; } /** * Returns the editable state. * * @return whether or not the receiver is editable * * @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 getEditable () { checkWidget (); if ((style & SWT.SINGLE) !is 0) { return cast(bool)OS.gtk_editable_get_editable (cast(GtkEditable*)handle); } return cast(bool)OS.gtk_text_view_get_editable (cast(GtkTextView*)handle); } override GdkColor* getForegroundColor () { return getTextColor (); } /** * Returns the number of lines. * * @return the number of lines in the widget * * @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 getLineCount () { checkWidget (); if ((style & SWT.SINGLE) !is 0) return 1; return OS.gtk_text_buffer_get_line_count (bufferHandle); } /** * Returns the line delimiter. * * @return a string that is the line delimiter * * @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 #DELIMITER */ public String getLineDelimiter () { checkWidget (); return "\n"; } /** * Returns the height of a line. * * @return the height of a row of 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 int getLineHeight () { checkWidget (); return fontHeight (getFontDescription (), handle); } /** * Returns the widget message. When the widget is created * with the style <code>SWT.SEARCH</code>, the message text * is displayed as a hint for the user, indicating the * purpose of the field. * <p> * Note: This operation is a <em>HINT</em> and is not * supported on platforms that do not have this concept. * </p> * * @return the widget 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> * * @since 3.3 */ public String getMessage () { checkWidget (); return message; } /** * Returns the orientation of the receiver, which will be one of the * constants <code>SWT.LEFT_TO_RIGHT</code> or <code>SWT.RIGHT_TO_LEFT</code>. * * @return the orientation style * * @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 2.1.2 */ public int getOrientation () { checkWidget(); return style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT); } /*public*/ int getPosition (Point point) { checkWidget (); if (point is null) error (SWT.ERROR_NULL_ARGUMENT); int position = -1; if ((style & SWT.SINGLE) !is 0) { int index; int trailing; auto layout = OS.gtk_entry_get_layout (cast(GtkEntry*)handle); OS.pango_layout_xy_to_index (layout, point.x * OS.PANGO_SCALE, point.y * OS.PANGO_SCALE, &index, &trailing); auto ptr = OS.pango_layout_get_text (layout); position = cast(int)/*64*/OS.g_utf8_pointer_to_offset (ptr, ptr + index) + trailing; } else { GtkTextIter p; OS.gtk_text_view_get_iter_at_location (cast(GtkTextView*)handle, &p, point.x, point.y); position = OS.gtk_text_iter_get_offset (&p); } return position; } /** * Returns a <code>Point</code> whose x coordinate is the * character position representing the start of the selected * text, and whose y coordinate is the character position * representing the end of the selection. An "empty" selection * is indicated by the x and y coordinates having the same value. * <p> * Indexing is zero based. The range of a selection is from * 0..N where N is the number of characters in the widget. * </p> * * @return a point representing the selection start and end * * @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 getSelection () { checkWidget (); if ((style & SWT.SINGLE) !is 0) { int start; int end; OS.gtk_editable_get_selection_bounds (cast(GtkEditable*)handle, &start, &end); return new Point (start, end); } GtkTextIter start; GtkTextIter end; OS.gtk_text_buffer_get_selection_bounds (bufferHandle, &start, &end); return new Point (OS.gtk_text_iter_get_offset (&start), OS.gtk_text_iter_get_offset (&end)); } /** * Returns the number of selected characters. * * @return the number of selected characters. * * @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 getSelectionCount () { checkWidget (); Point selection = getSelection (); return Math.abs (selection.y - selection.x); } /** * Gets the selected text, or an empty string if there is no current selection. * * @return the selected 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 getSelectionText () { checkWidget (); Point selection = getSelection (); return getText ()[ selection.x .. selection.y ]; } /** * Returns the number of tabs. * <p> * Tab stop spacing is specified in terms of the * space (' ') character. The width of a single * tab stop is the pixel width of the spaces. * </p> * * @return the number of tab characters * * @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 getTabs () { checkWidget (); return tabs; } int getTabWidth (int tabs) { auto layout = OS.gtk_widget_create_pango_layout (handle, " ".ptr ); int width; int height; OS.pango_layout_get_size (layout, &width, &height); OS.g_object_unref (layout); return width * tabs; } /** * Returns the widget text. * <p> * The text for a text widget is the characters in the widget, or * an empty string if this has never been set. * </p> * * @return the widget 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 getText () { checkWidget (); char* address; if ((style & SWT.SINGLE) !is 0) { address = OS.gtk_entry_get_text (cast(GtkEntry*)handle); } else { GtkTextIter start; GtkTextIter end; OS.gtk_text_buffer_get_bounds (bufferHandle, &start, &end); address = OS.gtk_text_buffer_get_text (bufferHandle, &start, &end, true); } if (address is null) return ""; String res = fromStringz( address )._idup(); if ((style & SWT.MULTI) !is 0) OS.g_free (address); return res; } /** * Returns a range of text. Returns an empty string if the * start of the range is greater than the end. * <p> * Indexing is zero based. The range of * a selection is from 0..N-1 where N is * the number of characters in the widget. * </p> * * @param start the start of the range * @param end the end of the range * @return the range of 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 getText (int start, int end) { checkWidget (); if (!(start <= end && 0 <= end)) return ""; start = Math.max (0, start); char* address; if ((style & SWT.SINGLE) !is 0) { address = OS.gtk_editable_get_chars (cast(GtkEditable*)handle, start, end + 1); } else { int length = OS.gtk_text_buffer_get_char_count (bufferHandle); end = Math.min (end, length - 1); GtkTextIter startIter; GtkTextIter endIter; OS.gtk_text_buffer_get_iter_at_offset (bufferHandle, &startIter, start); OS.gtk_text_buffer_get_iter_at_offset (bufferHandle, &endIter, end + 1); address = OS.gtk_text_buffer_get_text (bufferHandle, &startIter, &endIter, true); } if (address is null) error (SWT.ERROR_CANNOT_GET_TEXT); String res = fromStringz( address )._idup(); OS.g_free (address); return res; } /** * Returns the maximum number of characters that the receiver is capable of holding. * <p> * If this has not been changed by <code>setTextLimit()</code>, * it will be the constant <code>Text.LIMIT</code>. * </p> * * @return the text limit * * @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 #LIMIT */ public int getTextLimit () { checkWidget (); if ((style & SWT.MULTI) !is 0) return LIMIT; int limit = OS.gtk_entry_get_max_length (cast(GtkEntry*)handle); return limit is 0 ? 0xFFFF : limit; } /** * Returns the zero-relative index of the line which is currently * at the top of the receiver. * <p> * This index can change when lines are scrolled or new lines are added or removed. * </p> * * @return the index of the top line * * @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 getTopIndex () { checkWidget (); if ((style & SWT.SINGLE) !is 0) return 0; GtkTextIter position; GdkRectangle rect; OS.gtk_text_view_get_visible_rect (cast(GtkTextView*)handle, &rect); OS.gtk_text_view_get_line_at_y (cast(GtkTextView*)handle, &position, rect.y, null); return OS.gtk_text_iter_get_line (&position); } /** * Returns the top pixel. * <p> * The top pixel is the pixel position of the line * that is currently at the top of the widget. On * some platforms, a text widget can be scrolled by * pixels instead of lines so that a partial line * is displayed at the top of the widget. * </p><p> * The top pixel changes when the widget is scrolled. * The top pixel does not include the widget trimming. * </p> * * @return the pixel position of the top line * * @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 getTopPixel () { checkWidget (); if ((style & SWT.SINGLE) !is 0) return 0; GtkTextIter position; GdkRectangle rect; OS.gtk_text_view_get_visible_rect (cast(GtkTextView*)handle, &rect); int lineTop; OS.gtk_text_view_get_line_at_y (cast(GtkTextView*)handle, &position, rect.y, &lineTop); return lineTop; } override int /*long*/ gtk_activate (GtkWidget* widget) { postEvent (SWT.DefaultSelection); return 0; } override int /*long*/ gtk_button_press_event (GtkWidget* widget, GdkEventButton* gdkEvent) { auto result = super.gtk_button_press_event (widget, gdkEvent); if (result !is 0) return result; if (!doubleClick) { switch (gdkEvent.type) { case OS.GDK_2BUTTON_PRESS: case OS.GDK_3BUTTON_PRESS: return 1; default: } } return result; } override int /*long*/ gtk_changed (GtkWidget* widget) { /* * Feature in GTK. When the user types, GTK positions * the caret after sending the changed signal. This * means that application code that attempts to position * the caret during a changed signal will fail. The fix * is to post the modify event when the user is typing. */ bool keyPress = false; auto eventPtr = OS.gtk_get_current_event (); if (eventPtr !is null) { GdkEventKey* gdkEvent = cast(GdkEventKey*)eventPtr; switch (gdkEvent.type) { case OS.GDK_KEY_PRESS: keyPress = true; break; default: } OS.gdk_event_free (eventPtr); } if (keyPress) { postEvent (SWT.Modify); } else { sendEvent (SWT.Modify); } return 0; } override int /*long*/ gtk_commit (GtkIMContext* imcontext, char* text) { if (text is null) return 0; if ((style & SWT.SINGLE) !is 0) { if (!OS.gtk_editable_get_editable (cast(GtkEditable*)handle)) return 0; } char [] chars = fromStringz( text ).dup; if (chars.length is 0) return 0; char [] newChars = sendIMKeyEvent (SWT.KeyDown, null, chars); if (newChars is null) return 0; /* * Feature in GTK. For a GtkEntry, during the insert-text signal, * GTK allows the programmer to change only the caret location, * not the selection. If the programmer changes the selection, * the new selection is lost. The fix is to detect a selection * change and set it after the insert-text signal has completed. */ fixStart = fixEnd = -1; OS.g_signal_handlers_block_matched (imContext, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCOMMIT); int id = OS.g_signal_lookup (OS.commit.ptr, OS.gtk_im_context_get_type ()); int mask = OS.G_SIGNAL_MATCH_DATA | OS.G_SIGNAL_MATCH_ID; OS.g_signal_handlers_unblock_matched (imContext, mask, id, 0, null, null, cast(void*)handle); if (newChars is chars) { OS.g_signal_emit_by_name1 (imContext, OS.commit.ptr, cast(int)text); } else { OS.g_signal_emit_by_name1 (imContext, OS.commit.ptr, cast(int)toStringz(newChars) ); } OS.g_signal_handlers_unblock_matched (imContext, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCOMMIT ); OS.g_signal_handlers_block_matched (imContext, mask, id, 0, null, null, cast(void*)handle); if ((style & SWT.SINGLE) !is 0) { if (fixStart !is -1 && fixEnd !is -1) { OS.gtk_editable_set_position (cast(GtkEditable*)handle, fixStart); OS.gtk_editable_select_region (cast(GtkEditable*)handle, fixStart, fixEnd); } } fixStart = fixEnd = -1; return 0; } override int /*long*/ gtk_delete_range (GtkWidget* widget, int /*long*/ iter1, int /*long*/ iter2) { if (!hooks (SWT.Verify) && !filters (SWT.Verify)) return 0; GtkTextIter startIter = *cast(GtkTextIter*)iter1; GtkTextIter endIter = *cast(GtkTextIter*)iter2; int start = OS.gtk_text_iter_get_offset (&startIter); int end = OS.gtk_text_iter_get_offset (&endIter); String newText = verifyText ("", start, end); if (newText is null) { /* Remember the selection when the text was deleted */ OS.gtk_text_buffer_get_selection_bounds (bufferHandle, &startIter, &endIter); start = OS.gtk_text_iter_get_offset (&startIter); end = OS.gtk_text_iter_get_offset (&endIter); if (start !is end) { fixStart = start; fixEnd = end; } OS.g_signal_stop_emission_by_name (bufferHandle, OS.delete_range.ptr); } else { if (newText.length > 0) { OS.g_signal_handlers_block_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); OS.g_signal_handlers_block_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udDELETE_RANGE); OS.gtk_text_buffer_delete (bufferHandle, &startIter, &endIter); OS.g_signal_handlers_unblock_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udDELETE_RANGE); OS.g_signal_handlers_unblock_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); OS.g_signal_handlers_block_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEXT_BUFFER_INSERT_TEXT); OS.gtk_text_buffer_insert (bufferHandle, &startIter, newText.ptr, newText.length); OS.g_signal_handlers_unblock_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEXT_BUFFER_INSERT_TEXT); OS.g_signal_stop_emission_by_name (bufferHandle, OS.delete_range.ptr); } } return 0; } override int /*long*/ gtk_delete_text (GtkWidget* widget, int /*long*/ start_pos, int /*long*/ end_pos) { if (!hooks (SWT.Verify) && !filters (SWT.Verify)) return 0; String newText = verifyText ("", cast(int)/*64*/start_pos, cast(int)/*64*/end_pos); if (newText is null) { /* Remember the selection when the text was deleted */ int newStart, newEnd; OS.gtk_editable_get_selection_bounds (cast(GtkEditable*)handle, &newStart, &newEnd); if (newStart !is newEnd) { fixStart = newStart; fixEnd = newEnd; } OS.g_signal_stop_emission_by_name (handle, OS.delete_text.ptr); } else { if (newText.length > 0) { int pos; pos = cast(int)/*64*/end_pos; OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udINSERT_TEXT); OS.gtk_editable_insert_text (cast(GtkEditable*)handle, newText.ptr, newText.length, &pos); OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udINSERT_TEXT); OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); OS.gtk_editable_set_position (cast(GtkEditable*)handle, pos); } } return 0; } override int /*long*/ gtk_event_after (GtkWidget* widget, GdkEvent* event) { if (cursor !is null) gtk_setCursor (cursor.handle); /* * Feature in GTK. The gtk-entry-select-on-focus property is a global * setting. Return it to its default value after the GtkEntry has done * its focus in processing so that other widgets (such as the combo) * use the correct value. */ if ((style & SWT.SINGLE) !is 0 && display.entrySelectOnFocus) { switch (event.type) { case OS.GDK_FOCUS_CHANGE: GdkEventFocus* gdkEventFocus = cast(GdkEventFocus*)event; if (gdkEventFocus.in_ is 0) { auto settings = OS.gtk_settings_get_default (); OS.g_object_set1 (settings, OS.gtk_entry_select_on_focus.ptr, true ); } break; default: } } return super.gtk_event_after (widget, event); } override int /*long*/ gtk_focus_out_event (GtkWidget* widget, GdkEventFocus* event) { fixIM (); return super.gtk_focus_out_event (widget, event); } override int /*long*/ gtk_grab_focus (GtkWidget* widget) { auto result = super.gtk_grab_focus (widget); /* * Feature in GTK. GtkEntry widgets select their text on focus in, * clearing the previous selection. This behavior is controlled by * the gtk-entry-select-on-focus property. The fix is to disable * this property when a GtkEntry is given focus and restore it after * the entry has done focus in processing. */ if ((style & SWT.SINGLE) !is 0 && display.entrySelectOnFocus) { auto settings = OS.gtk_settings_get_default (); OS.g_object_set1 (settings, OS.gtk_entry_select_on_focus.ptr, false ); } return result; } override int /*long*/ gtk_insert_text (GtkEditable* widget, char* new_text, int new_text_length, int position) { if (!hooks (SWT.Verify) && !filters (SWT.Verify)) return 0; if (new_text is null || new_text_length is 0) return 0; String oldText = (cast(char*)new_text)[ 0 .. new_text_length ]._idup(); int pos; pos = *cast(int*)position; if (pos is -1) { auto ptr = OS.gtk_entry_get_text (cast(GtkEntry*)handle); pos = cast(int)/*64*/OS.g_utf8_strlen (ptr, -1); } /* Use the selection when the text was deleted */ int start = pos, end = pos; if (fixStart !is -1 && fixEnd !is -1) { start = pos = fixStart; end = fixEnd; fixStart = fixEnd = -1; } String newText = verifyText (oldText, start, end); if (newText !is oldText) { int newStart, newEnd; OS.gtk_editable_get_selection_bounds (cast(GtkEditable*)handle, &newStart, &newEnd); if (newText !is null) { if (newStart !is newEnd) { OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udDELETE_TEXT); OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); OS.gtk_editable_delete_selection (cast(GtkEditable*)handle); OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udDELETE_TEXT); OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); } OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udINSERT_TEXT); OS.gtk_editable_insert_text (cast(GtkEditable*)handle, newText.ptr, newText.length, &pos); OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udINSERT_TEXT); newStart = newEnd = pos; } pos = newEnd; if (newStart !is newEnd) { fixStart = newStart; fixEnd = newEnd; } *cast(int*)position = pos; OS.g_signal_stop_emission_by_name (handle, OS.insert_text.ptr); } return 0; } override int /*long*/ gtk_key_press_event (GtkWidget* widget, GdkEventKey* event) { auto result = super.gtk_key_press_event (widget, event); if (result !is 0) fixIM (); if (gdkEventKey is cast(GdkEventKey*)-1) result = 1; gdkEventKey = null; return result; } override int /*long*/ gtk_populate_popup (GtkWidget* widget, GtkWidget* menu) { if ((style & SWT.RIGHT_TO_LEFT) !is 0) { OS.gtk_widget_set_direction (menu, OS.GTK_TEXT_DIR_RTL); display.doSetDirectionProc (menu, OS.GTK_TEXT_DIR_RTL); } return 0; } override int /*long*/ gtk_text_buffer_insert_text (GtkTextBuffer *widget, GtkTextIter *iter, char *text, int len) { if (!hooks (SWT.Verify) && !filters (SWT.Verify)) return 0; GtkTextIter position = *iter; /* Use the selection when the text was deleted */ int start = OS.gtk_text_iter_get_offset (&position), end = start; if (fixStart !is -1 && fixEnd !is -1) { start = fixStart; end = fixEnd; fixStart = fixEnd = -1; } String oldText = cast(String)text[ 0 .. len ]; String newText = verifyText (oldText, start, end); if (newText is null) { OS.g_signal_stop_emission_by_name (bufferHandle, OS.insert_text.ptr); } else { if (newText !is oldText) { OS.g_signal_handlers_block_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEXT_BUFFER_INSERT_TEXT); OS.gtk_text_buffer_insert (bufferHandle, iter, newText.ptr, newText.length); OS.g_signal_handlers_unblock_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEXT_BUFFER_INSERT_TEXT); OS.g_signal_stop_emission_by_name (bufferHandle, OS.insert_text.ptr); } } return 0; } override void hookEvents () { super.hookEvents(); if ((style & SWT.SINGLE) !is 0) { OS.g_signal_connect_closure (handle, OS.changed.ptr, display.closures [CHANGED], true); OS.g_signal_connect_closure (handle, OS.insert_text.ptr, display.closures [INSERT_TEXT], false); OS.g_signal_connect_closure (handle, OS.delete_text.ptr, display.closures [DELETE_TEXT], false); OS.g_signal_connect_closure (handle, OS.activate.ptr, display.closures [ACTIVATE], false); OS.g_signal_connect_closure (handle, OS.grab_focus.ptr, display.closures [GRAB_FOCUS], false); OS.g_signal_connect_closure (handle, OS.populate_popup.ptr, display.closures [POPULATE_POPUP], false); } else { OS.g_signal_connect_closure (bufferHandle, OS.changed.ptr, display.closures [CHANGED], false); OS.g_signal_connect_closure (bufferHandle, OS.insert_text.ptr, display.closures [TEXT_BUFFER_INSERT_TEXT], false); OS.g_signal_connect_closure (bufferHandle, OS.delete_range.ptr, display.closures [DELETE_RANGE], false); OS.g_signal_connect_closure (handle, OS.populate_popup.ptr, display.closures [POPULATE_POPUP], false); } auto imContext = imContext (); if (imContext !is null) { OS.g_signal_connect_closure (imContext, OS.commit.ptr, display.closures [COMMIT], false); int id = OS.g_signal_lookup (OS.commit.ptr, OS.gtk_im_context_get_type ()); int mask = OS.G_SIGNAL_MATCH_DATA | OS.G_SIGNAL_MATCH_ID; OS.g_signal_handlers_block_matched (imContext, mask, id, 0, null, null, cast(void*)handle); } } GtkIMContext* imContext () { if ((style & SWT.SINGLE) !is 0) { return OS.gtk_editable_get_editable (handle) ? OS.GTK_ENTRY_IM_CONTEXT (handle) : null; } return OS.GTK_TEXTVIEW_IM_CONTEXT (cast(GtkTextView*)handle); } /** * Inserts a string. * <p> * The old selection is replaced with the new text. * </p> * * @param string the string * * @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 insert (String string) { checkWidget (); // SWT extension: allow null for zero length string //if (string is null) error (SWT.ERROR_NULL_ARGUMENT); if ((style & SWT.SINGLE) !is 0) { int start, end; OS.gtk_editable_get_selection_bounds (cast(GtkEditable*)handle, &start, &end); OS.gtk_editable_delete_selection (cast(GtkEditable*)handle); OS.gtk_editable_insert_text (cast(GtkEditable*)handle, string.ptr, string.length, &start); OS.gtk_editable_set_position (cast(GtkEditable*)handle, start); } else { GtkTextIter start; GtkTextIter end; if (OS.gtk_text_buffer_get_selection_bounds (bufferHandle, &start, &end)) { OS.gtk_text_buffer_delete (bufferHandle, &start, &end); } OS.gtk_text_buffer_insert (bufferHandle, &start, string.ptr, string.length); OS.gtk_text_buffer_place_cursor (bufferHandle, &start); auto mark = OS.gtk_text_buffer_get_insert (bufferHandle); OS.gtk_text_view_scroll_mark_onscreen (cast(GtkTextView*)handle, mark); } } override GdkDrawable* paintWindow () { if ((style & SWT.SINGLE) !is 0) { auto window = super.paintWindow (); auto children = OS.gdk_window_get_children (window); if (children !is null) window = cast(GdkDrawable*) OS.g_list_data (children); OS.g_list_free (children); return window; } OS.gtk_widget_realize (handle); return OS.gtk_text_view_get_window (cast(GtkTextView*)handle, OS.GTK_TEXT_WINDOW_TEXT); } /** * Pastes text from clipboard. * <p> * The selected text is deleted from the widget * and new text inserted from the clipboard. * </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> */ public void paste () { checkWidget (); if ((style & SWT.SINGLE) !is 0) { OS.gtk_editable_paste_clipboard (cast(GtkEditable*)handle); } else { auto clipboard = OS.gtk_clipboard_get (cast(void*)OS.GDK_NONE); OS.gtk_text_buffer_paste_clipboard (bufferHandle, clipboard, null, OS.gtk_text_view_get_editable (cast(GtkTextView*)handle)); } } override void register () { super.register (); if (bufferHandle !is null) display.addWidget (cast(GtkWidget*)bufferHandle, this); auto imContext = imContext (); if (imContext !is null) display.addWidget (cast(GtkWidget*)imContext, this); } override void releaseWidget () { super.releaseWidget (); fixIM (); if (OS.GTK_VERSION < OS.buildVERSION (2, 6, 0)) { /* * Bug in GTK. Any text copied into the clipboard will be lost when * the GtkTextView is destroyed. The fix is to paste the contents as * the widget is being destroyed to reference the text buffer, keeping * it around until ownership of the clipboard is lost. */ if ((style & SWT.MULTI) !is 0) { auto clipboard = OS.gtk_clipboard_get (cast(void*)OS.GDK_NONE); OS.gtk_text_buffer_paste_clipboard (bufferHandle, clipboard, null, OS.gtk_text_view_get_editable (cast(GtkTextView*)handle)); } } message = null; } /** * Removes the listener from the collection of listeners who will * be notified when the receiver's text is modified. * * @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 ModifyListener * @see #addModifyListener */ public void removeModifyListener (ModifyListener listener) { checkWidget (); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.Modify, listener); } /** * Removes the listener from the collection of listeners who will * be notified when the control 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); } /** * Removes the listener from the collection of listeners who will * be notified when the control is verified. * * @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 VerifyListener * @see #addVerifyListener */ public void removeVerifyListener (VerifyListener listener) { checkWidget (); if (listener is null) error (SWT.ERROR_NULL_ARGUMENT); if (eventTable is null) return; eventTable.unhook (SWT.Verify, listener); } /** * Selects all the text in 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 selectAll () { checkWidget (); if ((style & SWT.SINGLE) !is 0) { OS.gtk_editable_select_region (cast(GtkEditable*)handle, 0, -1); } else { GtkTextIter start; GtkTextIter end; OS.gtk_text_buffer_get_iter_at_offset (bufferHandle, &start, 0); OS.gtk_text_buffer_get_end_iter (bufferHandle, &end); auto insertMark = OS.gtk_text_buffer_get_insert (bufferHandle); auto selectionMark = OS.gtk_text_buffer_get_selection_bound (bufferHandle); OS.gtk_text_buffer_move_mark (bufferHandle, selectionMark, &start); OS.gtk_text_buffer_move_mark (bufferHandle, insertMark, &end); } } override void setBackgroundColor (GdkColor* color) { super.setBackgroundColor (color); OS.gtk_widget_modify_base (handle, 0, color); } override void gtk_setCursor (GdkCursor* cursor) { GdkCursor* defaultCursor; if (cursor is null) defaultCursor = OS.gdk_cursor_new (OS.GDK_XTERM); super.gtk_setCursor (cursor !is null ? cursor : defaultCursor); if (cursor is null) OS.gdk_cursor_destroy (defaultCursor); } /** * Sets the double click enabled flag. * <p> * The double click flag enables or disables the * default action of the text widget when the user * double clicks. * </p><p> * Note: This operation is a hint and is not supported on * platforms that do not have this concept. * </p> * * @param doubleClick the new double click flag * * @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 setDoubleClickEnabled (bool doubleClick) { checkWidget (); this.doubleClick = doubleClick; } /** * Sets the echo character. * <p> * The echo character is the character that is * displayed when the user enters text or the * text is changed by the programmer. Setting * the echo character to '\0' clears the echo * character and redraws the original text. * If for any reason the echo character is invalid, * or if the platform does not allow modification * of the echo character, the default echo character * for the platform is used. * </p> * * @param echo the new echo character * * @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 setEchoChar (char echo) { checkWidget (); if ((style & SWT.SINGLE) !is 0) { OS.gtk_entry_set_visibility (cast(GtkEntry*)handle, echo is '\0'); OS.gtk_entry_set_invisible_char (cast(GtkEntry*)handle, echo); } } /** * Sets the editable state. * * @param editable the new editable 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 setEditable (bool editable) { checkWidget (); style &= ~SWT.READ_ONLY; if (!editable) style |= SWT.READ_ONLY; if ((style & SWT.SINGLE) !is 0) { OS.gtk_editable_set_editable (cast(GtkEditable*)handle, editable); } else { OS.gtk_text_view_set_editable (cast(GtkTextView*)handle, editable); } } override void setFontDescription (PangoFontDescription* font) { super.setFontDescription (font); setTabStops (tabs); } /** * Sets the widget message. When the widget is created * with the style <code>SWT.SEARCH</code>, the message text * is displayed as a hint for the user, indicating the * purpose of the field. * <p> * Note: This operation is a <em>HINT</em> and is not * supported on platforms that do not have this concept. * </p> * * @param message the new message * * @exception IllegalArgumentException <ul> * <li>ERROR_NULL_ARGUMENT - if the message 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> * * @since 3.3 */ public void setMessage (String message) { checkWidget (); // SWT extension: allow null for zero length string //if (message is null) error (SWT.ERROR_NULL_ARGUMENT); this.message = message; } /** * Sets the orientation of the receiver, which must be one * of the constants <code>SWT.LEFT_TO_RIGHT</code> or <code>SWT.RIGHT_TO_LEFT</code>. * <p> * Note: This operation is a hint and is not supported on * platforms that do not have this concept. * </p> * * @param orientation new orientation style * * @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 2.1.2 */ public void setOrientation (int orientation) { checkWidget(); } /** * Sets the selection. * <p> * Indexing is zero based. The range of * a selection is from 0..N where N is * the number of characters in the widget. * </p><p> * Text selections are specified in terms of * caret positions. In a text widget that * contains N characters, there are N+1 caret * positions, ranging from 0..N. This differs * from other functions that address character * position such as getText () that use the * regular array indexing rules. * </p> * * @param start new caret position * * @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 setSelection (int start) { checkWidget (); if ((style & SWT.SINGLE) !is 0) { OS.gtk_editable_set_position (cast(GtkEditable*)handle, start); } else { GtkTextIter position; OS.gtk_text_buffer_get_iter_at_offset (bufferHandle, &position, start); OS.gtk_text_buffer_place_cursor (bufferHandle, &position); auto mark = OS.gtk_text_buffer_get_insert (bufferHandle); OS.gtk_text_view_scroll_mark_onscreen (cast(GtkTextView*)handle, mark); } } /** * Sets the selection to the range specified * by the given start and end indices. * <p> * Indexing is zero based. The range of * a selection is from 0..N where N is * the number of characters in the widget. * </p><p> * Text selections are specified in terms of * caret positions. In a text widget that * contains N characters, there are N+1 caret * positions, ranging from 0..N. This differs * from other functions that address character * position such as getText () that use the * usual array indexing rules. * </p> * * @param start the start of the range * @param end the end of the range * * @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 setSelection (int start, int end) { checkWidget (); if ((style & SWT.SINGLE) !is 0) { OS.gtk_editable_set_position (cast(GtkEditable*)handle, start); OS.gtk_editable_select_region (cast(GtkEditable*)handle, start, end); } else { GtkTextIter startIter; GtkTextIter endIter; OS.gtk_text_buffer_get_iter_at_offset (bufferHandle, &startIter, start); OS.gtk_text_buffer_get_iter_at_offset (bufferHandle, &endIter, end); auto insertMark = OS.gtk_text_buffer_get_insert (bufferHandle); auto selectionMark = OS.gtk_text_buffer_get_selection_bound (bufferHandle); OS.gtk_text_buffer_move_mark (bufferHandle, selectionMark, &startIter); OS.gtk_text_buffer_move_mark (bufferHandle, insertMark, &endIter); } } /** * Sets the selection to the range specified * by the given point, where the x coordinate * represents the start index and the y coordinate * represents the end index. * <p> * Indexing is zero based. The range of * a selection is from 0..N where N is * the number of characters in the widget. * </p><p> * Text selections are specified in terms of * caret positions. In a text widget that * contains N characters, there are N+1 caret * positions, ranging from 0..N. This differs * from other functions that address character * position such as getText () that use the * usual array indexing rules. * </p> * * @param selection the point * * @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 setSelection (Point selection) { checkWidget (); if (selection is null) error (SWT.ERROR_NULL_ARGUMENT); setSelection (selection.x, selection.y); } /** * Sets the number of tabs. * <p> * Tab stop spacing is specified in terms of the * space (' ') character. The width of a single * tab stop is the pixel width of the spaces. * </p> * * @param tabs the number of tabs * * </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 setTabs (int tabs) { checkWidget (); if (tabs < 0) return; setTabStops (this.tabs = tabs); } void setTabStops (int tabs) { if ((style & SWT.SINGLE) !is 0) return; int tabWidth = getTabWidth (tabs); auto tabArray = OS.pango_tab_array_new (1, false); OS.pango_tab_array_set_tab (tabArray, 0, OS.PANGO_TAB_LEFT, tabWidth); OS.gtk_text_view_set_tabs (cast(GtkTextView*)handle, tabArray); OS.pango_tab_array_free (tabArray); } /** * Sets the contents of the receiver to the given string. If the receiver has style * SINGLE and the argument contains multiple lines of text, the result of this * operation is undefined and may vary from platform to platform. * * @param string the new 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 void setText (String string) { checkWidget (); // SWT extension: allow null for zero length string //if (string is null) error (SWT.ERROR_NULL_ARGUMENT); /* * Feature in gtk. When text is set in gtk, separate events are fired for the deletion and * insertion of the text. This is not wrong, but is inconsistent with other platforms. The * fix is to block the firing of these events and fire them ourselves in a consistent manner. */ if (hooks (SWT.Verify) || filters (SWT.Verify)) { string = verifyText (string, 0, getCharCount ()); if (string is null) return; } if ((style & SWT.SINGLE) !is 0) { OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udDELETE_TEXT); OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udINSERT_TEXT); OS.gtk_entry_set_text (cast(GtkEntry*)handle, toStringz(string) ); OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udDELETE_TEXT); OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udINSERT_TEXT); } else { GtkTextIter position; OS.g_signal_handlers_block_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); OS.g_signal_handlers_block_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udDELETE_RANGE); OS.g_signal_handlers_block_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEXT_BUFFER_INSERT_TEXT); OS.gtk_text_buffer_set_text (bufferHandle, string.ptr, string.length); OS.g_signal_handlers_unblock_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCHANGED); OS.g_signal_handlers_unblock_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udDELETE_RANGE); OS.g_signal_handlers_unblock_matched (bufferHandle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udTEXT_BUFFER_INSERT_TEXT); OS.gtk_text_buffer_get_iter_at_offset (bufferHandle, &position, 0); OS.gtk_text_buffer_place_cursor (bufferHandle, &position); auto mark = OS.gtk_text_buffer_get_insert (bufferHandle); OS.gtk_text_view_scroll_mark_onscreen (cast(GtkTextView*)handle, mark); } sendEvent (SWT.Modify); } /** * Sets the maximum number of characters that the receiver * is capable of holding to be the argument. * <p> * Instead of trying to set the text limit to zero, consider * creating a read-only text widget. * </p><p> * To reset this value to the default, use <code>setTextLimit(Text.LIMIT)</code>. * Specifying a limit value larger than <code>Text.LIMIT</code> sets the * receiver's limit to <code>Text.LIMIT</code>. * </p> * * @param limit new text limit * * @exception IllegalArgumentException <ul> * <li>ERROR_CANNOT_BE_ZERO - if the limit is zero</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 #LIMIT */ public void setTextLimit (int limit) { checkWidget (); if (limit is 0) error (SWT.ERROR_CANNOT_BE_ZERO); if ((style & SWT.SINGLE) !is 0) OS.gtk_entry_set_max_length (cast(GtkEntry*)handle, limit); } /** * Sets the zero-relative index of the line which is currently * at the top of the receiver. This index can change when lines * are scrolled or new lines are added and removed. * * @param index the index of the top item * * @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 setTopIndex (int index) { checkWidget (); if ((style & SWT.SINGLE) !is 0) return; GtkTextIter position; OS.gtk_text_buffer_get_iter_at_line (bufferHandle, &position, index); OS.gtk_text_view_scroll_to_iter (cast(GtkTextView*)handle, &position, 0, true, 0, 0); } /** * Shows the selection. * <p> * If the selection is already showing * in the receiver, this method simply returns. Otherwise, * lines are scrolled until the selection is visible. * </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> */ public void showSelection () { checkWidget (); if ((style & SWT.SINGLE) !is 0) return; auto mark = OS.gtk_text_buffer_get_selection_bound (bufferHandle); OS.gtk_text_view_scroll_mark_onscreen (cast(GtkTextView*)handle, mark); mark = OS.gtk_text_buffer_get_insert (bufferHandle); OS.gtk_text_view_scroll_mark_onscreen (cast(GtkTextView*)handle, mark); } override bool translateTraversal (GdkEventKey* keyEvent) { int key = keyEvent.keyval; switch (key) { case OS.GDK_KP_Enter: case OS.GDK_Return: { auto imContext = imContext (); if (imContext !is null) { char* preeditString; OS.gtk_im_context_get_preedit_string (imContext, &preeditString, null, null); if (preeditString !is null) { int length = OS.strlen (preeditString); OS.g_free (preeditString); if (length !is 0) return false; } } default: } } return super.translateTraversal (keyEvent); } override int traversalCode (int key, GdkEventKey* event) { int bits = super.traversalCode (key, event); if ((style & SWT.READ_ONLY) !is 0) return bits; if ((style & SWT.MULTI) !is 0) { bits &= ~SWT.TRAVERSE_RETURN; if (key is OS.GDK_Tab && event !is null) { bool next = (event.state & OS.GDK_SHIFT_MASK) is 0; if (next && (event.state & OS.GDK_CONTROL_MASK) is 0) { bits &= ~(SWT.TRAVERSE_TAB_NEXT | SWT.TRAVERSE_TAB_PREVIOUS); } } } return bits; } String verifyText (String string, int start, int end) { if (string.length is 0 && start is end) return null; Event event = new Event (); event.text = string; event.start = start; event.end = end; auto eventPtr = OS.gtk_get_current_event (); if (eventPtr !is null) { GdkEventKey* gdkEvent = cast(GdkEventKey*)eventPtr; switch (gdkEvent.type) { case OS.GDK_KEY_PRESS: setKeyState (event, gdkEvent); break; default: } OS.gdk_event_free (eventPtr); } /* * It is possible (but unlikely), that application * code could have disposed the widget in the verify * event. If this happens, answer null to cancel * the operation. */ sendEvent (SWT.Verify, event); if (!event.doit || isDisposed ()) return null; return event.text; } }