| /******************************************************************************* |
| * 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 |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.internal.*; |
| import org.eclipse.swt.internal.gtk.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.events.*; |
| |
| /** |
| * Instances of this class represent a selectable user interface object |
| * that represents a button in a tool bar. |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>PUSH, CHECK, RADIO, SEPARATOR, DROP_DOWN</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Selection</dd> |
| * </dl> |
| * <p> |
| * Note: Only one of the styles CHECK, PUSH, RADIO, SEPARATOR and DROP_DOWN |
| * 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/#toolbar">ToolBar, ToolItem snippets</a> |
| * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class ToolItem extends Item { |
| int /*long*/ boxHandle, arrowHandle, arrowBoxHandle, separatorHandle, labelHandle, imageHandle; |
| ToolBar parent; |
| Control control; |
| Image hotImage, disabledImage; |
| String toolTipText; |
| boolean drawHotImage; |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>ToolBar</code>) and a style value |
| * describing its behavior and appearance. The item is added |
| * to the end of the items maintained by its parent. |
| * <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#PUSH |
| * @see SWT#CHECK |
| * @see SWT#RADIO |
| * @see SWT#SEPARATOR |
| * @see SWT#DROP_DOWN |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public ToolItem (ToolBar parent, int style) { |
| super (parent, checkStyle (style)); |
| this.parent = parent; |
| createWidget (parent.getItemCount ()); |
| } |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>ToolBar</code>), a style value |
| * describing its behavior and appearance, and the index |
| * at which to place it in the items maintained by its parent. |
| * <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 |
| * @param index the zero-relative index to store the receiver in its parent |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</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#PUSH |
| * @see SWT#CHECK |
| * @see SWT#RADIO |
| * @see SWT#SEPARATOR |
| * @see SWT#DROP_DOWN |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public ToolItem (ToolBar parent, int style, int index) { |
| super (parent, checkStyle (style)); |
| this.parent = parent; |
| int count = parent.getItemCount (); |
| if (!(0 <= index && index <= count)) { |
| error (SWT.ERROR_INVALID_RANGE); |
| } |
| createWidget (index); |
| } |
| |
| /** |
| * 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> |
| * When <code>widgetSelected</code> is called when the mouse is over the arrow portion of a drop-down tool, |
| * the event object detail field contains the value <code>SWT.ARROW</code>. |
| * <code>widgetDefaultSelected</code> is not called. |
| * </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 == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener (listener); |
| addListener (SWT.Selection,typedListener); |
| addListener (SWT.DefaultSelection,typedListener); |
| } |
| |
| static int checkStyle (int style) { |
| return checkBits (style, SWT.PUSH, SWT.CHECK, SWT.RADIO, SWT.SEPARATOR, SWT.DROP_DOWN, 0); |
| } |
| |
| protected void checkSubclass () { |
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| |
| void createHandle (int index) { |
| state |= HANDLE; |
| if ((style & SWT.SEPARATOR) == 0) { |
| boxHandle = (parent.style & SWT.RIGHT) != 0 ? OS.gtk_hbox_new (false, 0) : OS.gtk_vbox_new (false, 0); |
| if (boxHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| labelHandle = OS.gtk_label_new_with_mnemonic (null); |
| if (labelHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| imageHandle = OS.gtk_image_new (); |
| if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_container_add (boxHandle, imageHandle); |
| OS.gtk_container_add (boxHandle, labelHandle); |
| if ((parent.style & SWT.VERTICAL) != 0) { |
| // Align text and images to the left |
| OS.gtk_box_set_child_packing (boxHandle, imageHandle, false, false, 0, OS.GTK_PACK_START); |
| OS.gtk_box_set_child_packing (boxHandle, labelHandle, false, false, 2, OS.GTK_PACK_START); |
| } |
| } |
| int bits = SWT.SEPARATOR | SWT.RADIO | SWT.CHECK | SWT.PUSH | SWT.DROP_DOWN; |
| switch (style & bits) { |
| case SWT.SEPARATOR: |
| handle = OS.gtk_hbox_new (false, 0); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| boolean isVertical = (parent.style & SWT.VERTICAL) != 0; |
| separatorHandle = isVertical ? OS.gtk_hseparator_new() : OS.gtk_vseparator_new(); |
| if (separatorHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_widget_set_size_request (separatorHandle, isVertical ? 15 : 6, isVertical ? 6 : 15); |
| OS.gtk_widget_set_size_request (handle, isVertical ? 15 : 6, isVertical ? 6 : 15); |
| OS.gtk_container_add (handle, separatorHandle); |
| break; |
| case SWT.DROP_DOWN: |
| handle = OS.gtk_button_new (); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| arrowBoxHandle = OS.gtk_hbox_new (false, 0); |
| if (arrowBoxHandle == 0) error(SWT.ERROR_NO_HANDLES); |
| arrowHandle = OS.gtk_arrow_new (OS.GTK_ARROW_DOWN, OS.GTK_SHADOW_NONE); |
| if (arrowHandle == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_widget_set_size_request (arrowHandle, 8, 6); |
| OS.gtk_container_add (handle, arrowBoxHandle); |
| OS.gtk_container_add (arrowBoxHandle, boxHandle); |
| OS.gtk_container_add (arrowBoxHandle, arrowHandle); |
| break; |
| case SWT.RADIO: |
| /* |
| * This code is intentionally commented. Because GTK |
| * enforces radio behavior in a button group a radio group |
| * is not created for each set of contiguous buttons, each |
| * radio button will not draw unpressed. The fix is to use |
| * toggle buttons instead. |
| */ |
| // handle = OS.gtk_radio_button_new (0); |
| // if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| // OS.gtk_toggle_button_set_mode (handle, false); |
| // OS.gtk_container_add (handle, boxHandle); |
| // break; |
| case SWT.CHECK: |
| handle = OS.gtk_toggle_button_new (); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_toggle_button_set_mode (handle, false); |
| OS.gtk_container_add (handle, boxHandle); |
| break; |
| case SWT.PUSH: |
| default: |
| handle = OS.gtk_button_new (); |
| if (handle == 0) error (SWT.ERROR_NO_HANDLES); |
| OS.gtk_container_add (handle, boxHandle); |
| break; |
| } |
| if ((style & SWT.SEPARATOR) == 0) { |
| int [] relief = new int [1]; |
| OS.gtk_widget_style_get (parent.handle, OS.button_relief, relief, 0); |
| OS.gtk_button_set_relief (handle, relief [0]); |
| } |
| OS.GTK_WIDGET_UNSET_FLAGS (handle, OS.GTK_CAN_FOCUS); |
| // This code is intentionally commented. |
| // int /*long*/ fontHandle = parent.fontHandle (); |
| // GdkColor color = new GdkColor (); |
| // int /*long*/ style = OS.gtk_widget_get_style (fontHandle); |
| // OS.gtk_style_get_fg (style, OS.GTK_STATE_NORMAL, color); |
| // int /*long*/ font = OS.gtk_style_get_font_desc (style); |
| // setForegroundColor (color); |
| // setFontDescription (font); |
| if ((parent.state & FOREGROUND) != 0) { |
| setForegroundColor (parent.getForegroundColor()); |
| } |
| if ((parent.state & FONT) != 0) { |
| setFontDescription (parent.getFontDescription()); |
| } |
| } |
| |
| void createWidget (int index) { |
| super.createWidget (index); |
| showWidget (index); |
| parent.relayout (); |
| } |
| |
| Widget [] computeTabList () { |
| if (isTabGroup ()) { |
| if (getEnabled ()) { |
| if ((style & SWT.SEPARATOR) != 0) { |
| if (control != null) return control.computeTabList(); |
| } else { |
| return new Widget [] {this}; |
| } |
| } |
| } |
| return new Widget [0]; |
| } |
| |
| void deregister() { |
| super.deregister (); |
| if (labelHandle != 0) display.removeWidget (labelHandle); |
| } |
| |
| public void dispose () { |
| if (isDisposed ()) return; |
| ToolBar parent = this.parent; |
| super.dispose (); |
| parent.relayout (); |
| } |
| |
| /** |
| * Returns a rectangle describing the receiver's size and location |
| * relative to its parent. |
| * |
| * @return the receiver's bounding rectangle |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public Rectangle getBounds () { |
| checkWidget(); |
| parent.forceResize (); |
| int /*long*/ topHandle = topHandle (); |
| int x, y, width, height; |
| /* |
| * Bug in GTK. Toolbar items are only allocated their minimum size |
| * in versions before 2.4.0. The fix is to use the total size |
| * available minus any borders. |
| */ |
| if (OS.GTK_VERSION < OS.VERSION (2, 4, 0) && control != null && !control.isDisposed ()) { |
| int border = OS.gtk_container_get_border_width (parent.handle); |
| byte [] shadowType = Converter.wcsToMbcs (null, "shadow_type", true); |
| int [] shadow = new int [1]; |
| OS.gtk_widget_style_get (parent.handle, shadowType, shadow, 0); |
| if (shadow [0] != OS.GTK_SHADOW_NONE) { |
| border += OS.gtk_style_get_xthickness (OS.gtk_widget_get_style (parent.handle)); |
| } |
| if ((parent.style & SWT.VERTICAL) != 0) { |
| x = border; |
| y = OS.GTK_WIDGET_Y (topHandle) + border; |
| width = OS.GTK_WIDGET_WIDTH (parent.handle) - border*2; |
| height = OS.GTK_WIDGET_HEIGHT (topHandle); |
| } else { |
| x = OS.GTK_WIDGET_X (topHandle) + border; |
| y = border; |
| width = OS.GTK_WIDGET_WIDTH (topHandle); |
| height = OS.GTK_WIDGET_HEIGHT (parent.handle) - border*2; |
| } |
| } else { |
| x = OS.GTK_WIDGET_X (topHandle); |
| y = OS.GTK_WIDGET_Y (topHandle); |
| width = OS.GTK_WIDGET_WIDTH (topHandle); |
| height = OS.GTK_WIDGET_HEIGHT (topHandle); |
| } |
| if ((parent.style & SWT.MIRRORED) != 0) x = parent.getClientWidth () - width - x; |
| if ((style & SWT.SEPARATOR) != 0 && control != null) height = Math.max (height, 23); |
| return new Rectangle (x, y, width, height); |
| } |
| |
| /** |
| * Returns the control that is used to fill the bounds of |
| * the item when the item is a <code>SEPARATOR</code>. |
| * |
| * @return the control |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public Control getControl () { |
| checkWidget(); |
| return control; |
| } |
| |
| /** |
| * Returns the receiver's disabled image if it has one, or null |
| * if it does not. |
| * <p> |
| * The disabled image is displayed when the receiver is disabled. |
| * </p> |
| * |
| * @return the receiver's disabled image |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public Image getDisabledImage () { |
| checkWidget(); |
| return disabledImage; |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver is enabled, and |
| * <code>false</code> otherwise. A disabled control is typically |
| * not selectable from the user interface and draws with an |
| * inactive or "grayed" look. |
| * |
| * @return the receiver's enabled state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #isEnabled |
| */ |
| public boolean getEnabled () { |
| checkWidget(); |
| int /*long*/ topHandle = topHandle (); |
| return OS.GTK_WIDGET_SENSITIVE (topHandle); |
| } |
| |
| /** |
| * Returns the receiver's hot image if it has one, or null |
| * if it does not. |
| * <p> |
| * The hot image is displayed when the mouse enters the receiver. |
| * </p> |
| * |
| * @return the receiver's hot image |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public Image getHotImage () { |
| checkWidget(); |
| return hotImage; |
| } |
| |
| /** |
| * Returns the receiver's parent, which must be a <code>ToolBar</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 ToolBar getParent () { |
| checkWidget(); |
| if (parent == null) error (SWT.ERROR_WIDGET_DISPOSED); |
| return parent; |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver is selected, |
| * and false otherwise. |
| * <p> |
| * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
| * it is selected when it is checked (which some platforms draw as a |
| * pushed in button). If the receiver is of any other type, this method |
| * returns false. |
| * </p> |
| * |
| * @return the selection 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 boolean getSelection () { |
| checkWidget(); |
| if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return false; |
| return OS.gtk_toggle_button_get_active (handle); |
| } |
| |
| /** |
| * Returns the receiver's tool tip text, or null if it has not been set. |
| * |
| * @return the receiver's tool tip text |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public String getToolTipText () { |
| checkWidget(); |
| return toolTipText; |
| } |
| |
| /** |
| * Gets the width of the receiver. |
| * |
| * @return the width |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getWidth () { |
| checkWidget(); |
| parent.forceResize (); |
| int /*long*/ topHandle = topHandle (); |
| return OS.GTK_WIDGET_WIDTH (topHandle); |
| } |
| |
| int /*long*/ gtk_button_press_event (int /*long*/ widget, int /*long*/ event) { |
| GdkEventButton gdkEvent = new GdkEventButton (); |
| OS.memmove (gdkEvent, event, GdkEventButton.sizeof); |
| double x = gdkEvent.x; |
| gdkEvent.x += OS.GTK_WIDGET_X (handle); |
| double y = gdkEvent.y; |
| gdkEvent.y += OS.GTK_WIDGET_Y (handle); |
| OS.memmove (event, gdkEvent, GdkEventButton.sizeof); |
| int /*long*/ result = parent.gtk_button_press_event (widget, event); |
| gdkEvent.x = x; |
| gdkEvent.y = y; |
| OS.memmove (event, gdkEvent, GdkEventButton.sizeof); |
| return result; |
| } |
| |
| int /*long*/ gtk_button_release_event (int /*long*/ widget, int /*long*/ event) { |
| GdkEventButton gdkEvent = new GdkEventButton (); |
| OS.memmove (gdkEvent, event, GdkEventButton.sizeof); |
| double x = gdkEvent.x; |
| gdkEvent.x += OS.GTK_WIDGET_X (handle); |
| double y = gdkEvent.y; |
| gdkEvent.y += OS.GTK_WIDGET_Y (handle); |
| OS.memmove (event, gdkEvent, GdkEventButton.sizeof); |
| int /*long*/ result = parent.gtk_button_release_event (widget, event); |
| gdkEvent.x = x; |
| gdkEvent.y = y; |
| OS.memmove(event, gdkEvent, GdkEventButton.sizeof); |
| return result; |
| } |
| |
| int /*long*/ gtk_clicked (int /*long*/ widget) { |
| Event event = new Event (); |
| if ((style & SWT.DROP_DOWN) != 0) { |
| int /*long*/ eventPtr = OS.gtk_get_current_event (); |
| if (eventPtr != 0) { |
| GdkEvent gdkEvent = new GdkEvent (); |
| OS.memmove (gdkEvent, eventPtr, GdkEvent.sizeof); |
| switch (gdkEvent.type) { |
| case OS.GDK_BUTTON_PRESS: |
| case OS.GDK_2BUTTON_PRESS: |
| case OS.GDK_BUTTON_RELEASE: { |
| double [] x_win = new double [1]; |
| double [] y_win = new double [1]; |
| OS.gdk_event_get_coords (eventPtr, x_win, y_win); |
| int x = OS.GTK_WIDGET_X (arrowHandle) - OS.GTK_WIDGET_X (handle); |
| int width = OS.GTK_WIDGET_WIDTH (arrowHandle); |
| if ((((parent.style & SWT.RIGHT_TO_LEFT) == 0) && x <= (int)x_win [0]) |
| || (((parent.style & SWT.RIGHT_TO_LEFT) != 0) && (int)x_win [0] <= x + width)) { |
| event.detail = SWT.ARROW; |
| int /*long*/ topHandle = topHandle (); |
| event.x = OS.GTK_WIDGET_X (topHandle); |
| if ((parent.style & SWT.MIRRORED) != 0) event.x = parent.getClientWidth () - OS.GTK_WIDGET_WIDTH (topHandle) - event.x; |
| event.y = OS.GTK_WIDGET_Y (topHandle) + OS.GTK_WIDGET_HEIGHT (topHandle); |
| } |
| break; |
| } |
| } |
| OS.gdk_event_free (eventPtr); |
| } |
| } |
| if ((style & SWT.RADIO) != 0) { |
| if ((parent.getStyle () & SWT.NO_RADIO_GROUP) == 0) { |
| selectRadio (); |
| } |
| } |
| postEvent (SWT.Selection, event); |
| return 0; |
| } |
| |
| int /*long*/ gtk_enter_notify_event (int /*long*/ widget, int /*long*/ event) { |
| parent.gtk_enter_notify_event (widget, event); |
| drawHotImage = (parent.style & SWT.FLAT) != 0 && hotImage != null; |
| if (drawHotImage && imageHandle != 0) { |
| ImageList imageList = parent.imageList; |
| if (imageList != null) { |
| int index = imageList.indexOf (hotImage); |
| if (index != -1) { |
| int /*long*/ pixbuf = imageList.getPixbuf (index); |
| OS.gtk_image_set_from_pixbuf (imageHandle, pixbuf); |
| } |
| } |
| } |
| return 0; |
| } |
| |
| int /*long*/ gtk_event_after (int /*long*/ widget, int /*long*/ gdkEvent) { |
| GdkEvent event = new GdkEvent (); |
| OS.memmove (event, gdkEvent, GdkEvent.sizeof); |
| switch (event.type) { |
| case OS.GDK_BUTTON_PRESS: { |
| GdkEventButton gdkEventButton = new GdkEventButton (); |
| OS.memmove (gdkEventButton, gdkEvent, GdkEventButton.sizeof); |
| if (gdkEventButton.button == 3) { |
| parent.showMenu ((int) gdkEventButton.x_root, (int) gdkEventButton.y_root); |
| } |
| break; |
| } |
| } |
| return 0; |
| } |
| |
| int /*long*/ gtk_focus_out_event (int /*long*/ widget, int /*long*/ event) { |
| OS.GTK_WIDGET_UNSET_FLAGS (handle, OS.GTK_CAN_FOCUS); |
| parent.lastFocus = this; |
| return 0; |
| } |
| |
| int /*long*/ gtk_leave_notify_event (int /*long*/ widget, int /*long*/ event) { |
| parent.gtk_leave_notify_event (widget, event); |
| if (drawHotImage) { |
| drawHotImage = false; |
| if (imageHandle != 0 && image != null) { |
| ImageList imageList = parent.imageList; |
| if (imageList != null) { |
| int index = imageList.indexOf (image); |
| if (index != -1) { |
| int /*long*/ pixbuf = imageList.getPixbuf (index); |
| OS.gtk_image_set_from_pixbuf (imageHandle, pixbuf); |
| } |
| } |
| } |
| } |
| return 0; |
| } |
| |
| int /*long*/ gtk_map (int /*long*/ widget) { |
| parent.fixZOrder (); |
| return 0; |
| } |
| |
| int /*long*/ gtk_mnemonic_activate (int /*long*/ widget, int /*long*/ arg1) { |
| return parent.gtk_mnemonic_activate (widget, arg1); |
| } |
| |
| boolean hasFocus () { |
| return OS.GTK_WIDGET_HAS_FOCUS (handle); |
| } |
| |
| void hookEvents () { |
| super.hookEvents (); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| OS.g_signal_connect_closure (handle, OS.clicked, display.closures [CLICKED], false); |
| OS.g_signal_connect_closure_by_id (handle, display.signalIds [ENTER_NOTIFY_EVENT], 0, display.closures [ENTER_NOTIFY_EVENT], false); |
| OS.g_signal_connect_closure_by_id (handle, display.signalIds [LEAVE_NOTIFY_EVENT], 0, display.closures [LEAVE_NOTIFY_EVENT], false); |
| if (labelHandle != 0) OS.g_signal_connect_closure_by_id (labelHandle, display.signalIds [MNEMONIC_ACTIVATE], 0, display.closures [MNEMONIC_ACTIVATE], false); |
| |
| OS.g_signal_connect_closure_by_id (handle, display.signalIds [FOCUS_OUT_EVENT], 0, display.closures [FOCUS_OUT_EVENT], false); |
| |
| /* |
| * Feature in GTK. Usually, GTK widgets propagate all events to their |
| * parent when they are done their own processing. However, in contrast |
| * to other widgets, the buttons that make up the tool items, do not propagate |
| * the mouse up/down events. It is interesting to note that they DO propagate |
| * mouse motion events. The fix is to explicitly forward mouse up/down events |
| * to the parent. |
| */ |
| int mask = |
| OS.GDK_EXPOSURE_MASK | OS.GDK_POINTER_MOTION_MASK | |
| OS.GDK_BUTTON_PRESS_MASK | OS.GDK_BUTTON_RELEASE_MASK | |
| OS.GDK_ENTER_NOTIFY_MASK | OS.GDK_LEAVE_NOTIFY_MASK | |
| OS.GDK_KEY_PRESS_MASK | OS.GDK_KEY_RELEASE_MASK | |
| OS.GDK_FOCUS_CHANGE_MASK; |
| OS.gtk_widget_add_events (handle, mask); |
| OS.g_signal_connect_closure_by_id (handle, display.signalIds [BUTTON_PRESS_EVENT], 0, display.closures [BUTTON_PRESS_EVENT], false); |
| OS.g_signal_connect_closure_by_id (handle, display.signalIds [BUTTON_RELEASE_EVENT], 0, display.closures [BUTTON_RELEASE_EVENT], false); |
| OS.g_signal_connect_closure_by_id (handle, display.signalIds [EVENT_AFTER], 0, display.closures[EVENT_AFTER], false); |
| |
| int /*long*/ topHandle = topHandle (); |
| OS.g_signal_connect_closure_by_id (topHandle, display.signalIds [MAP], 0, display.closures [MAP], true); |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver is enabled and all |
| * of the receiver's ancestors are enabled, and <code>false</code> |
| * otherwise. A disabled control is typically not selectable from the |
| * user interface and draws with an inactive or "grayed" look. |
| * |
| * @return the receiver's enabled state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #getEnabled |
| */ |
| public boolean isEnabled () { |
| checkWidget(); |
| return getEnabled () && parent.isEnabled (); |
| } |
| |
| boolean isTabGroup () { |
| ToolItem [] tabList = parent._getTabItemList (); |
| if (tabList != null) { |
| for (int i=0; i<tabList.length; i++) { |
| if (tabList [i] == this) return true; |
| } |
| } |
| if ((style & SWT.SEPARATOR) != 0) return true; |
| int index = parent.indexOf (this); |
| if (index == 0) return true; |
| ToolItem previous = parent.getItem (index - 1); |
| return (previous.getStyle () & SWT.SEPARATOR) != 0; |
| } |
| |
| void register () { |
| super.register (); |
| if (labelHandle != 0) display.addWidget (labelHandle, this); |
| } |
| |
| void releaseHandle () { |
| super.releaseHandle (); |
| boxHandle = arrowHandle = separatorHandle = labelHandle = imageHandle = 0; |
| } |
| |
| void releaseWidget () { |
| super.releaseWidget (); |
| if (parent.lastFocus == this) parent.lastFocus = null; |
| parent = null; |
| control = null; |
| hotImage = disabledImage = null; |
| toolTipText = null; |
| } |
| |
| /** |
| * 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 == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) return; |
| eventTable.unhook (SWT.Selection, listener); |
| eventTable.unhook (SWT.DefaultSelection,listener); |
| } |
| |
| void resizeControl () { |
| if (control != null && !control.isDisposed ()) { |
| if (separatorHandle != 0) OS.gtk_widget_hide (separatorHandle); |
| /* |
| * Set the size and location of the control |
| * separately to minimize flashing in the |
| * case where the control does not resize |
| * to the size that was requested. This |
| * case can occur when the control is a |
| * combo box. |
| */ |
| Rectangle itemRect = getBounds (); |
| control.setSize (itemRect.width, itemRect.height); |
| OS.gtk_widget_set_size_request (handle, itemRect.width, itemRect.height); |
| Rectangle rect = control.getBounds (); |
| rect.x = itemRect.x + (itemRect.width - rect.width) / 2; |
| rect.y = itemRect.y + (itemRect.height - rect.height) / 2; |
| control.setLocation (rect.x, rect.y); |
| } else { |
| if (separatorHandle != 0) OS.gtk_widget_show (separatorHandle); |
| } |
| } |
| |
| void selectRadio () { |
| int index = 0; |
| ToolItem [] items = parent.getItems (); |
| while (index < items.length && items [index] != this) index++; |
| int i = index - 1; |
| while (i >= 0 && items [i].setRadioSelection (false)) --i; |
| int j = index + 1; |
| while (j < items.length && items [j].setRadioSelection (false)) j++; |
| setSelection (true); |
| } |
| |
| /** |
| * Sets the control that is used to fill the bounds of |
| * the item when the item is a <code>SEPARATOR</code>. |
| * |
| * @param control the new control |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> |
| * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</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 setControl (Control control) { |
| checkWidget (); |
| if (control != null) { |
| if (control.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); |
| if (control.parent != parent) error (SWT.ERROR_INVALID_PARENT); |
| } |
| if ((style & SWT.SEPARATOR) == 0) return; |
| if (this.control == control) return; |
| this.control = control; |
| parent.relayout (); |
| } |
| |
| /** |
| * Sets the receiver's disabled image to the argument, which may be |
| * null indicating that no disabled image should be displayed. |
| * <p> |
| * The disabled image is displayed when the receiver is disabled. |
| * </p> |
| * |
| * @param image the disabled image to display on the receiver (may be null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setDisabledImage (Image image) { |
| checkWidget(); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| disabledImage = image; |
| } |
| |
| /** |
| * Enables the receiver if the argument is <code>true</code>, |
| * and disables it otherwise. |
| * <p> |
| * A disabled control is typically |
| * not selectable from the user interface and draws with an |
| * inactive or "grayed" look. |
| * </p> |
| * |
| * @param enabled the new enabled state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setEnabled (boolean enabled) { |
| checkWidget(); |
| int /*long*/ topHandle = topHandle (); |
| OS.gtk_widget_set_sensitive (topHandle, enabled); |
| if (enabled) { |
| /* |
| * Bug in GTK. GtkButton requires an enter notify before it |
| * allows the button to be pressed, but events are dropped when |
| * widgets are insensitive. The fix is to hide and show the |
| * button if the pointer is within its bounds. |
| */ |
| int [] x = new int [1], y = new int [1]; |
| OS.gdk_window_get_pointer (parent.paintWindow (), x, y, null); |
| if (getBounds ().contains (x [0], y [0])) { |
| OS.gtk_widget_hide (handle); |
| OS.gtk_widget_show (handle); |
| } |
| } |
| } |
| |
| boolean setFocus () { |
| if ((style & SWT.SEPARATOR) != 0) return false; |
| if (!OS.gtk_widget_get_child_visible (handle)) return false; |
| OS.GTK_WIDGET_SET_FLAGS (handle, OS.GTK_CAN_FOCUS); |
| OS.gtk_widget_grab_focus (handle); |
| boolean result = OS.gtk_widget_is_focus (handle); |
| if (!result) OS.GTK_WIDGET_UNSET_FLAGS (handle, OS.GTK_CAN_FOCUS); |
| return result; |
| } |
| |
| void setFontDescription (int /*long*/ font) { |
| OS.gtk_widget_modify_font (handle, font); |
| if (labelHandle != 0) OS.gtk_widget_modify_font (labelHandle, font); |
| if (imageHandle != 0) OS.gtk_widget_modify_font (imageHandle, font); |
| } |
| |
| void setForegroundColor (GdkColor color) { |
| setForegroundColor (handle, color); |
| if (labelHandle != 0) setForegroundColor (labelHandle, color); |
| if (imageHandle != 0) setForegroundColor (imageHandle, color); |
| } |
| |
| /** |
| * Sets the receiver's hot image to the argument, which may be |
| * null indicating that no hot image should be displayed. |
| * <p> |
| * The hot image is displayed when the mouse enters the receiver. |
| * </p> |
| * |
| * @param image the hot image to display on the receiver (may be null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setHotImage (Image image) { |
| checkWidget(); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| hotImage = image; |
| if (image != null) { |
| ImageList imageList = parent.imageList; |
| if (imageList == null) imageList = parent.imageList = new ImageList (); |
| int imageIndex = imageList.indexOf (image); |
| if (imageIndex == -1) { |
| imageIndex = imageList.add (image); |
| } else { |
| imageList.put (imageIndex, image); |
| } |
| } |
| } |
| |
| public void setImage (Image image) { |
| checkWidget(); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| super.setImage (image); |
| if (imageHandle == 0) return; |
| if (image != null) { |
| ImageList imageList = parent.imageList; |
| if (imageList == null) imageList = parent.imageList = new ImageList (); |
| int imageIndex = imageList.indexOf (image); |
| if (imageIndex == -1) { |
| imageIndex = imageList.add (image); |
| } else { |
| imageList.put (imageIndex, image); |
| } |
| int /*long*/ pixbuf = imageList.getPixbuf (imageIndex); |
| OS.gtk_image_set_from_pixbuf (imageHandle, pixbuf); |
| OS.gtk_widget_show (imageHandle); |
| } else { |
| OS.gtk_image_set_from_pixbuf (imageHandle, 0); |
| OS.gtk_widget_hide (imageHandle); |
| } |
| parent.relayout (); |
| } |
| |
| void setOrientation () { |
| if ((parent.style & SWT.RIGHT_TO_LEFT) != 0) { |
| if (handle != 0) OS.gtk_widget_set_direction (handle, OS.GTK_TEXT_DIR_RTL); |
| if (labelHandle != 0) OS.gtk_widget_set_direction (labelHandle, OS.GTK_TEXT_DIR_RTL); |
| if (imageHandle != 0) OS.gtk_widget_set_direction (imageHandle, OS.GTK_TEXT_DIR_RTL); |
| if (separatorHandle != 0) OS.gtk_widget_set_direction (separatorHandle, OS.GTK_TEXT_DIR_RTL); |
| if (arrowHandle != 0) OS.gtk_widget_set_direction (arrowHandle, OS.GTK_TEXT_DIR_RTL); |
| if (boxHandle != 0) OS.gtk_widget_set_direction (boxHandle, OS.GTK_TEXT_DIR_RTL); |
| if (arrowBoxHandle != 0) OS.gtk_widget_set_direction (arrowBoxHandle, OS.GTK_TEXT_DIR_RTL); |
| } |
| } |
| |
| boolean setRadioSelection (boolean value) { |
| if ((style & SWT.RADIO) == 0) return false; |
| if (getSelection () != value) { |
| setSelection (value); |
| postEvent (SWT.Selection); |
| } |
| return true; |
| } |
| |
| /** |
| * Sets the selection state of the receiver. |
| * <p> |
| * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
| * it is selected when it is checked (which some platforms draw as a |
| * pushed in button). |
| * </p> |
| * |
| * @param selected the new selection 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 setSelection (boolean selected) { |
| checkWidget (); |
| if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return; |
| OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CLICKED); |
| OS.gtk_toggle_button_set_active (handle, selected); |
| OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, CLICKED); |
| } |
| |
| boolean setTabItemFocus (boolean next) { |
| return setFocus (); |
| } |
| |
| /** |
| * Sets the receiver's text. The string may include |
| * the mnemonic character. |
| * </p> |
| * <p> |
| * Mnemonics are indicated by an '&' that causes the next |
| * character to be the mnemonic. When the user presses a |
| * key sequence that matches the mnemonic, a selection |
| * event occurs. On most platforms, the mnemonic appears |
| * underlined but may be emphasised in a platform specific |
| * manner. The mnemonic indicator character '&' can be |
| * escaped by doubling it in the string, causing a single |
| * '&' to be displayed. |
| * </p> |
| * |
| * @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 (String string) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| super.setText (string); |
| if (labelHandle == 0) return; |
| char [] chars = fixMnemonic (string); |
| byte [] buffer = Converter.wcsToMbcs (null, chars, true); |
| OS.gtk_label_set_text_with_mnemonic (labelHandle, buffer); |
| if (string.length () != 0) { |
| OS.gtk_widget_show (labelHandle); |
| } else { |
| OS.gtk_widget_hide (labelHandle); |
| } |
| parent.relayout (); |
| } |
| |
| /** |
| * Sets the receiver's tool tip text to the argument, which |
| * may be null indicating that the default tool tip for the |
| * control will be shown. For a control that has a default |
| * tool tip, such as the Tree control on Windows, setting |
| * the tool tip text to an empty string replaces the default, |
| * causing no tool tip text to be shown. |
| * <p> |
| * The mnemonic indicator (character '&') is not displayed in a tool tip. |
| * To display a single '&' in the tool tip, the character '&' can be |
| * escaped by doubling it in the string. |
| * </p> |
| * |
| * @param string the new tool tip text (or null) |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setToolTipText (String string) { |
| checkWidget(); |
| if (parent.toolTipText == null) { |
| Shell shell = parent._getShell (); |
| setToolTipText (shell, string); |
| } |
| toolTipText = string; |
| } |
| |
| void setToolTipText (Shell shell, String newString) { |
| shell.setToolTipText (handle, newString); |
| } |
| |
| /** |
| * Sets the width of the receiver, for <code>SEPARATOR</code> ToolItems. |
| * |
| * @param width the new width |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setWidth (int width) { |
| checkWidget(); |
| if ((style & SWT.SEPARATOR) == 0) return; |
| if (width < 0) return; |
| boolean isVertical = (parent.style & SWT.VERTICAL) != 0; |
| OS.gtk_widget_set_size_request (separatorHandle, width, isVertical ? 6 : 15); |
| OS.gtk_widget_set_size_request (handle, width, isVertical ? 6 : 15); |
| parent.relayout (); |
| } |
| |
| void showWidget (int index) { |
| if (handle != 0) OS.gtk_widget_show (handle); |
| if (boxHandle != 0) OS.gtk_widget_show (boxHandle); |
| if (separatorHandle != 0) OS.gtk_widget_show (separatorHandle); |
| if (arrowBoxHandle != 0) OS.gtk_widget_show (arrowBoxHandle); |
| if (arrowHandle != 0) OS.gtk_widget_show (arrowHandle); |
| OS.gtk_toolbar_insert_widget (parent.handle, handle, null, null, index); |
| } |
| } |