diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TrayItem.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TrayItem.java | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TrayItem.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TrayItem.java deleted file mode 100644 index 07e7c8fd23..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/TrayItem.java +++ /dev/null @@ -1,448 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2006 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.events.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.internal.*; -import org.eclipse.swt.internal.gtk.*; - -/** - * Instances of this class represent icons that can be placed on the - * system tray or task bar status area. - * <p> - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>(none)</dd> - * <dt><b>Events:</b></dt> - * <dd>DefaultSelection, MenuDetect, Selection</dd> - * </dl> - * </p><p> - * IMPORTANT: This class is <em>not</em> intended to be subclassed. - * </p> - * - * @since 3.0 - */ -public class TrayItem extends Item { - Tray parent; - ToolTip toolTip; - String toolTipText; - int /*long*/ imageHandle; - int /*long*/ tooltipsHandle; - ImageList imageList; - -/** - * Constructs a new instance of this class given its parent - * (which must be a <code>Tray</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 - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public TrayItem (Tray parent, int style) { - super (parent, style); - this.parent = parent; - createWidget (parent.getItemCount ()); -} - -/** - * Adds the listener to the collection of listeners who will - * be notified when the receiver is selected, by sending - * it one of the messages defined in the <code>SelectionListener</code> - * interface. - * <p> - * <code>widgetSelected</code> is called when the receiver is selected - * <code>widgetDefaultSelected</code> is called when the receiver is double-clicked - * </p> - * - * @param listener the listener which should be notified - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see 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); -} - -protected void checkSubclass () { - if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); -} - -void createWidget (int index) { - super.createWidget (index); - parent.createItem (this, index); -} - -void createHandle (int index) { - state |= HANDLE; - handle = OS.gtk_plug_new (0); - if (handle == 0) error (SWT.ERROR_NO_HANDLES); - imageHandle = OS.gtk_image_new (); - if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); - OS.gtk_container_add (handle, imageHandle); - OS.gtk_widget_show (handle); - OS.gtk_widget_show (imageHandle); - int /*long*/ id = OS.gtk_plug_get_id (handle); - int monitor = 0; - int /*long*/ screen = OS.gdk_screen_get_default (); - if (screen != 0) { - monitor = OS.gdk_screen_get_number (screen); - } - byte [] trayBuffer = Converter.wcsToMbcs (null, "_NET_SYSTEM_TRAY_S" + monitor, true); - int /*long*/ trayAtom = OS.gdk_atom_intern (trayBuffer, true); - int /*long*/ xTrayAtom = OS.gdk_x11_atom_to_xatom (trayAtom); - int /*long*/ xDisplay = OS.GDK_DISPLAY (); - int /*long*/ trayWindow = OS.XGetSelectionOwner (xDisplay, xTrayAtom); - byte [] messageBuffer = Converter.wcsToMbcs (null, "_NET_SYSTEM_TRAY_OPCODE", true); - int /*long*/ messageAtom = OS.gdk_atom_intern (messageBuffer, true); - int /*long*/ xMessageAtom = OS.gdk_x11_atom_to_xatom (messageAtom); - XClientMessageEvent event = new XClientMessageEvent (); - event.type = OS.ClientMessage; - event.window = trayWindow; - event.message_type = xMessageAtom; - event.format = 32; - event.data [0] = OS.GDK_CURRENT_TIME; - event.data [1] = OS.SYSTEM_TRAY_REQUEST_DOCK; - event.data [2] = id; - int /*long*/ clientEvent = OS.g_malloc (XClientMessageEvent.sizeof); - OS.memmove (clientEvent, event, XClientMessageEvent.sizeof); - OS.XSendEvent (xDisplay, trayWindow, false, OS.NoEventMask, clientEvent); - OS.g_free (clientEvent); -} - -void deregister () { - super.deregister (); - display.removeWidget (imageHandle); -} - -void destroyWidget () { - parent.destroyItem (this); - releaseHandle (); -} - -/** - * Returns the receiver's parent, which must be a <code>Tray</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> - * - * @since 3.2 - */ -public Tray getParent () { - checkWidget (); - return parent; -} - -/** - * Returns the receiver's tool tip, 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> - * - * @since 3.2 - */ -public ToolTip getToolTip () { - checkWidget (); - return toolTip; -} - -/** - * 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; -} - -int /*long*/ gtk_button_press_event (int /*long*/ widget, int /*long*/ eventPtr) { - GdkEventButton gdkEvent = new GdkEventButton (); - OS.memmove (gdkEvent, eventPtr, GdkEventButton.sizeof); - if (gdkEvent.type == OS.GDK_3BUTTON_PRESS) return 0; - if (gdkEvent.button == 3 && gdkEvent.type == OS.GDK_BUTTON_PRESS) { - sendEvent (SWT.MenuDetect); - return 0; - } - if (gdkEvent.type == OS.GDK_2BUTTON_PRESS) { - postEvent (SWT.DefaultSelection); - } else { - postEvent (SWT.Selection); - } - return 0; -} - -int /*long*/ gtk_size_allocate (int /*long*/ widget, int /*long*/ allocation) { - if (image != null && image.mask != 0) { - if (OS.gdk_drawable_get_depth (image.mask) == 1) { - int xoffset = (int) Math.floor (OS.GTK_WIDGET_X (widget) + ((OS.GTK_WIDGET_WIDTH (widget) - OS.GTK_WIDGET_REQUISITION_WIDTH (widget)) * 0.5) + 0.5); - int yoffset = (int) Math.floor (OS.GTK_WIDGET_Y (widget) + ((OS.GTK_WIDGET_HEIGHT (widget) - OS.GTK_WIDGET_REQUISITION_HEIGHT (widget)) * 0.5) + 0.5); - Rectangle b = image.getBounds(); - int /*long*/ gdkImagePtr = OS.gdk_drawable_get_image (image.mask, 0, 0, b.width, b.height); - GdkImage gdkImage = new GdkImage(); - OS.memmove (gdkImage, gdkImagePtr); - byte[] maskData = new byte [gdkImage.bpl * gdkImage.height]; - OS.memmove (maskData, gdkImage.mem, maskData.length); - OS.g_object_unref (gdkImagePtr); - Region region = new Region (display); - for (int y = 0; y < b.height; y++) { - for (int x = 0; x < b.width; x++) { - int index = (y * gdkImage.bpl) + (x >> 3); - int theByte = maskData [index] & 0xFF; - int mask = 1 << (x & 0x7); - if ((theByte & mask) != 0) { - region.add (xoffset + x, yoffset + y, 1, 1); - } - } - } - OS.gtk_widget_realize (handle); - int /*long*/ window = OS.GTK_WIDGET_WINDOW (handle); - OS.gdk_window_shape_combine_region (window, region.handle, 0, 0); - region.dispose (); - } - } - return 0; -} - -void hookEvents () { - int eventMask = OS.GDK_BUTTON_PRESS_MASK; - OS.gtk_widget_add_events (handle, eventMask); - 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 (imageHandle, display.signalIds [SIZE_ALLOCATE], 0, display.closures [SIZE_ALLOCATE], false); - } - -/** - * Returns <code>true</code> if the receiver is visible and - * <code>false</code> otherwise. - * - * @return the receiver's visibility - * - * @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 getVisible () { - checkWidget (); - return OS.GTK_WIDGET_VISIBLE (handle); -} - -void register () { - super.register (); - display.addWidget (imageHandle, this); -} - -void releaseHandle () { - if (handle != 0) OS.gtk_widget_destroy (handle); - handle = imageHandle = 0; - super.releaseHandle (); - parent = null; -} - -void releaseWidget () { - super.releaseWidget (); - if (tooltipsHandle != 0) OS.g_object_unref (tooltipsHandle); - tooltipsHandle = 0; - if (imageList != null) imageList.dispose (); - imageList = null; - toolTipText = null; -} - -/** - * Removes the listener from the collection of listeners who will - * be notified when the receiver is selected. - * - * @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); -} - -/** - * Sets the receiver's image. - * - * @param image the new image - * - * @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 setImage (Image image) { - checkWidget (); - if (image != null && image.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - this.image = image; - if (image != null) { - Rectangle rect = image.getBounds (); - OS.gtk_widget_set_size_request (handle, rect.width, rect.height); - if (imageList == null) 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_widget_set_size_request (handle, 1, 1); - OS.gtk_image_set_from_pixbuf (imageHandle, 0); - OS.gtk_widget_hide (imageHandle); - } -} - -/** - * Sets the receiver's tool tip to the argument, which - * may be null indicating that no tool tip should be shown. - * - * @param toolTip the new tool tip (or null) - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @since 3.2 - */ -public void setToolTip (ToolTip toolTip) { - checkWidget (); - ToolTip oldTip = this.toolTip, newTip = toolTip; - if (oldTip != null) oldTip.item = null; - this.toolTip = newTip; - if (newTip != null) newTip.item = this; -} - -/** - * Sets the receiver's tool tip text to the argument, which - * may be null indicating that no tool tip text should be shown. - * - * @param value 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 (); - toolTipText = string; - byte [] buffer = null; - if (string != null && string.length () > 0) { - buffer = Converter.wcsToMbcs (null, string, true); - } - if (tooltipsHandle == 0) { - tooltipsHandle = OS.gtk_tooltips_new (); - if (tooltipsHandle == 0) error (SWT.ERROR_NO_HANDLES); - OS.g_object_ref (tooltipsHandle); - OS.gtk_object_sink (tooltipsHandle); - } - OS.gtk_tooltips_set_tip (tooltipsHandle, handle, buffer, null); -} - -/** - * Makes the receiver visible if the argument is <code>true</code>, - * and makes it invisible otherwise. - * - * @param visible the new visibility state - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setVisible (boolean visible) { - checkWidget (); - if (OS.GTK_WIDGET_VISIBLE (handle) == visible) return; - if (visible) { - /* - * It is possible (but unlikely), that application - * code could have disposed the widget in the show - * event. If this happens, just return. - */ - sendEvent (SWT.Show); - if (isDisposed ()) return; - OS.gtk_widget_show (handle); - } else { - OS.gtk_widget_hide (handle); - sendEvent (SWT.Hide); - } -} -} |