diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ExpandItem.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ExpandItem.java | 601 |
1 files changed, 0 insertions, 601 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ExpandItem.java b/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ExpandItem.java deleted file mode 100644 index 4f6221c6e9..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/gtk/org/eclipse/swt/widgets/ExpandItem.java +++ /dev/null @@ -1,601 +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.internal.*; -import org.eclipse.swt.internal.gtk.*; -import org.eclipse.swt.graphics.*; - -/** - * Instances of this class represent a selectable user interface object - * that represents a expandable item in a expand bar. - * <p> - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>(none)</dd> - * <dt><b>Events:</b></dt> - * <dd>(none)</dd> - * </dl> - * </p><p> - * IMPORTANT: This class is <em>not</em> intended to be subclassed. - * </p> - * - * @see ExpandBar - * - * @since 3.2 - */ -public class ExpandItem extends Item { - ExpandBar parent; - Control control; - ImageList imageList; - int /*long*/ clientHandle, boxHandle, labelHandle, imageHandle; - boolean expanded; - int x, y, width, height; - int imageHeight, imageWidth; - static final int TEXT_INSET = 6; - static final int BORDER = 1; - static final int CHEVRON_SIZE = 24; - -/** - * 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 Widget#checkSubclass - * @see Widget#getStyle - */ -public ExpandItem (ExpandBar parent, int style) { - super (parent, style); - this.parent = parent; - createWidget (parent.getItemCount ()); -} - -/** - * Constructs a new instance of this class given its parent, 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 Widget#checkSubclass - * @see Widget#getStyle - */ -public ExpandItem (ExpandBar parent, int style, int index) { - super (parent, style); - this.parent = parent; - createWidget (index); -} - -protected void checkSubclass () { - if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); -} - -void createHandle (int index) { - if (OS.GTK_VERSION >= OS.VERSION (2, 4, 0)) { - state |= HANDLE; - handle = OS.gtk_expander_new (null); - if (handle == 0) error (SWT.ERROR_NO_HANDLES); - clientHandle = OS.g_object_new (display.gtk_fixed_get_type (), 0); - if (clientHandle == 0) error (SWT.ERROR_NO_HANDLES); - OS.gtk_container_add (handle, clientHandle); - boxHandle = OS.gtk_hbox_new (false, 4); - if (boxHandle == 0) error (SWT.ERROR_NO_HANDLES); - labelHandle = OS.gtk_label_new (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); - OS.gtk_expander_set_label_widget (handle, boxHandle); - OS.GTK_WIDGET_SET_FLAGS (handle, OS.GTK_CAN_FOCUS); - } -} - -void createWidget (int index) { - super.createWidget (index); - showWidget (index); - parent.createItem (this, style, index); -} - -void deregister() { - super.deregister(); - if (OS.GTK_VERSION >= OS.VERSION (2, 4, 0)) { - display.removeWidget (clientHandle); - display.removeWidget (boxHandle); - display.removeWidget (labelHandle); - display.removeWidget (imageHandle); - } -} - -void destroyWidget () { - parent.destroyItem (this); - super.destroyWidget (); -} - -void drawChevron (GC gc, int x, int y) { - int [] polyline1, polyline2; - if (expanded) { - int px = x + 4 + 5; - int py = y + 4 + 7; - polyline1 = new int [] { - px,py, px+1,py, px+1,py-1, px+2,py-1, px+2,py-2, px+3,py-2, px+3,py-3, - px+3,py-2, px+4,py-2, px+4,py-1, px+5,py-1, px+5,py, px+6,py}; - py += 4; - polyline2 = new int [] { - px,py, px+1,py, px+1,py-1, px+2,py-1, px+2,py-2, px+3,py-2, px+3,py-3, - px+3,py-2, px+4,py-2, px+4,py-1, px+5,py-1, px+5,py, px+6,py}; - } else { - int px = x + 4 + 5; - int py = y + 4 + 4; - polyline1 = new int[] { - px,py, px+1,py, px+1,py+1, px+2,py+1, px+2,py+2, px+3,py+2, px+3,py+3, - px+3,py+2, px+4,py+2, px+4,py+1, px+5,py+1, px+5,py, px+6,py}; - py += 4; - polyline2 = new int [] { - px,py, px+1,py, px+1,py+1, px+2,py+1, px+2,py+2, px+3,py+2, px+3,py+3, - px+3,py+2, px+4,py+2, px+4,py+1, px+5,py+1, px+5,py, px+6,py}; - } - gc.setForeground (display.getSystemColor (SWT.COLOR_TITLE_FOREGROUND)); - gc.drawPolyline (polyline1); - gc.drawPolyline (polyline2); -} - -void drawItem (GC gc, boolean drawFocus) { - int headerHeight = parent.getBandHeight (); - Display display = getDisplay (); - gc.setForeground (display.getSystemColor (SWT.COLOR_TITLE_BACKGROUND)); - gc.setBackground (display.getSystemColor (SWT.COLOR_TITLE_BACKGROUND_GRADIENT)); - gc.fillGradientRectangle (x, y, width, headerHeight, true); - if (expanded) { - gc.setForeground (display.getSystemColor (SWT.COLOR_TITLE_BACKGROUND_GRADIENT)); - gc.drawLine (x, y + headerHeight, x, y + headerHeight + height - 1); - gc.drawLine (x, y + headerHeight + height - 1, x + width - 1, y + headerHeight + height - 1); - gc.drawLine (x + width - 1, y + headerHeight + height - 1, x + width - 1, y + headerHeight); - } - int drawX = x; - if (image != null) { - drawX += ExpandItem.TEXT_INSET; - if (imageHeight > headerHeight) { - gc.drawImage (image, drawX, y + headerHeight - imageHeight); - } else { - gc.drawImage (image, drawX, y + (headerHeight - imageHeight) / 2); - } - drawX += imageWidth; - } - if (text.length() > 0) { - drawX += ExpandItem.TEXT_INSET; - Point size = gc.stringExtent (text); - gc.setForeground (parent.getForeground ()); - gc.drawString (text, drawX, y + (headerHeight - size.y) / 2, true); - } - int chevronSize = ExpandItem.CHEVRON_SIZE; - drawChevron (gc, x + width - chevronSize, y + (headerHeight - chevronSize) / 2); - if (drawFocus) { - gc.drawFocus (x + 1, y + 1, width - 2, headerHeight - 2); - } -} - -/** - * Returns the control that is shown when the item is expanded. - * If no control has been set, return <code>null</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 <code>true</code> if the receiver is expanded, - * and false otherwise. - * - * @return the expanded 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 getExpanded () { - checkWidget (); - return expanded; -} - -/** - * Returns the height of the receiver's header - * - * @return the height of the header - * - * @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 getHeaderHeight () { - checkWidget (); - if (OS.GTK_VERSION >= OS.VERSION (2, 4, 0)) { - int /*long*/ widget = OS.gtk_expander_get_label_widget (handle); - return OS.GTK_WIDGET_HEIGHT (widget); - } - return Math.max (parent.getBandHeight (), imageHeight); -} - -/** - * Gets the height of the receiver. - * - * @return the height - * - * @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 getHeight () { - checkWidget (); - return height; -} - -/** - * Returns the receiver's parent, which must be a <code>ExpandBar</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 ExpandBar getParent () { - checkWidget(); - return parent; -} - -int getPreferredWidth (GC gc) { - int width = ExpandItem.TEXT_INSET * 2 + ExpandItem.CHEVRON_SIZE; - if (image != null) { - width += ExpandItem.TEXT_INSET + imageWidth; - } - if (text.length() > 0) { - width += gc.stringExtent (text).x; - } - return width; -} - -int /*long*/ gtk_activate (int /*long*/ widget) { - Event event = new Event (); - event.item = this; - int type = OS.gtk_expander_get_expanded (handle) ? SWT.Collapse : SWT.Expand; - parent.sendEvent (type, event); - return 0; -} - -int /*long*/ gtk_button_press_event (int /*long*/ widget, int /*long*/ event) { - setFocus (); - 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_size_allocate (int /*long*/ widget, int /*long*/ allocation) { - parent.layoutItems (0, false); - return 0; -} - -boolean hasFocus () { - return OS.GTK_WIDGET_HAS_FOCUS (handle); -} - -void hookEvents () { - super.hookEvents (); - if (OS.GTK_VERSION >= OS.VERSION (2, 4, 0)) { - OS.g_signal_connect_closure (handle, OS.activate, display.closures [ACTIVATE], false); - OS.g_signal_connect_closure (handle, OS.activate, display.closures [ACTIVATE_INVERSE], true); - 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 [FOCUS_OUT_EVENT], 0, display.closures [FOCUS_OUT_EVENT], false); - OS.g_signal_connect_closure (clientHandle, OS.size_allocate, display.closures [SIZE_ALLOCATE], true); - } -} - -void redraw () { - if (OS.GTK_VERSION < OS.VERSION (2, 4, 0)) { - int headerHeight = parent.getBandHeight (); - if (imageHeight > headerHeight) { - parent.redraw (x + ExpandItem.TEXT_INSET, y + headerHeight - imageHeight, imageWidth, imageHeight, false); - } - parent.redraw (x, y, width, headerHeight + height, false); - } -} - -void register () { - super.register (); - if (OS.GTK_VERSION >= OS.VERSION (2, 4, 0)) { - display.addWidget (clientHandle, this); - display.addWidget (boxHandle, this); - display.addWidget (labelHandle, this); - display.addWidget (imageHandle, this); - } -} - -void releaseHandle () { - super.releaseHandle (); - clientHandle = boxHandle = labelHandle = imageHandle = 0; - parent = null; -} - -void releaseWidget () { - super.releaseWidget (); - if (imageList != null) imageList.dispose (); - if (OS.GTK_VERSION >= OS.VERSION (2, 4, 0)) { - if (parent.lastFocus == this) parent.lastFocus = null; - } - imageList = null; - control = null; -} - -void resizeControl (int yScroll) { - if (control != null && !control.isDisposed ()) { - boolean visible = OS.gtk_expander_get_expanded (handle); - if (visible) { - int x = OS.GTK_WIDGET_X (clientHandle); - int y = OS.GTK_WIDGET_Y (clientHandle); - if (x != -1 && y != -1) { - int width = OS.GTK_WIDGET_WIDTH (clientHandle); - int height = OS.GTK_WIDGET_HEIGHT (clientHandle); - int [] property = new int [1]; - OS.gtk_widget_style_get (handle, OS.focus_line_width, property, 0); - y += property [0] * 2; - height -= property [0] * 2; - control.setBounds (x, y - yScroll, width, Math.max (0, height), true, true); - } - } - control.setVisible (visible); - } -} - -void setBounds (int x, int y, int width, int height, boolean move, boolean size) { - redraw (); - int headerHeight = parent.getBandHeight (); - if (move) { - if (imageHeight > headerHeight) { - y += (imageHeight - headerHeight); - } - this.x = x; - this.y = y; - redraw (); - } - if (size) { - this.width = width; - this.height = height; - redraw (); - } - if (control != null && !control.isDisposed ()) { - if (move) control.setLocation (x + BORDER, y + headerHeight); - if (size) control.setSize (Math.max (0, width - 2 * BORDER), Math.max (0, height - BORDER)); - } -} - -/** - * Sets the control that is shown when the item is expanded. - * - * @param control the new control (or null) - * - * @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 (this.control == control) return; - this.control = control; - if (control != null) { - control.setVisible (expanded); - if (OS.GTK_VERSION < OS.VERSION (2, 4, 0)) { - int headerHeight = parent.getBandHeight (); - control.setBounds (x + BORDER, y + headerHeight, Math.max (0, width - 2 * BORDER), Math.max (0, height - BORDER)); - } - } - if (OS.GTK_VERSION >= OS.VERSION (2, 4, 0)) { - parent.layoutItems (0, true); - } -} - -/** - * Sets the expanded state of the receiver. - * - * @param expanded the new expanded 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 setExpanded (boolean expanded) { - checkWidget (); - this.expanded = expanded; - if (OS.GTK_VERSION >= OS.VERSION (2, 4, 0)) { - OS.gtk_expander_set_expanded (handle, expanded); - parent.layoutItems (0, true); - } else { - parent.showItem (this); - } -} - -boolean setFocus () { - 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) { - OS.gtk_widget_modify_fg (handle, OS.GTK_STATE_NORMAL, color); - if (labelHandle != 0) OS.gtk_widget_modify_fg (labelHandle, OS.GTK_STATE_NORMAL, color); - if (imageHandle != 0) OS.gtk_widget_modify_fg (imageHandle, OS.GTK_STATE_NORMAL, color); -} - -/** - * Sets the height of the receiver. This is height of the item when it is expanded, - * excluding the height of the header. - * - * @param height the new height - * - * @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 setHeight (int height) { - checkWidget (); - if (height < 0) return; - if (OS.GTK_VERSION >= OS.VERSION (2, 4, 0)) { - this.height = height; - OS.gtk_widget_set_size_request (clientHandle, -1, height); - parent.layoutItems (0, false); - } else { - setBounds (0, 0, width, height, false, true); - if (expanded) parent.layoutItems (parent.indexOf (this) + 1, true); - } -} - -public void setImage (Image image) { - super.setImage (image); - if (OS.GTK_VERSION >= OS.VERSION (2, 4, 0)) { - if (imageList != null) imageList.dispose (); - imageList = null; - if (image != null) { - if (image.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - imageList = new ImageList (); - int imageIndex = imageList.add (image); - int /*long*/ pixbuf = imageList.getPixbuf (imageIndex); - OS.gtk_image_set_from_pixbuf (imageHandle, pixbuf); - if (text.length () == 0) OS.gtk_widget_hide (labelHandle); - OS.gtk_widget_show (imageHandle); - } else { - OS.gtk_image_set_from_pixbuf (imageHandle, 0); - OS.gtk_widget_show (labelHandle); - OS.gtk_widget_hide (imageHandle); - } - } else { - int oldImageHeight = imageHeight; - if (image != null) { - Rectangle bounds = image.getBounds (); - imageHeight = bounds.height; - imageWidth = bounds.width; - } else { - imageHeight = imageWidth = 0; - } - if (oldImageHeight != imageHeight) { - parent.layoutItems (parent.indexOf (this), true); - } else { - redraw (); - } - } -} - -public void setText (String string) { - super.setText (string); - if (OS.GTK_VERSION >= OS.VERSION (2, 4, 0)) { - byte [] buffer = Converter.wcsToMbcs (null, string, true); - OS.gtk_label_set_text (labelHandle, buffer); - } else { - redraw (); - } -} - -void showWidget (int index) { - if (OS.GTK_VERSION >= OS.VERSION (2, 4, 0)) { - OS.gtk_widget_show (handle); - OS.gtk_widget_show (clientHandle); - OS.gtk_container_add (parent.handle, handle); - OS.gtk_box_set_child_packing (parent.handle, handle, false, false, 0, OS.GTK_PACK_START); - if (boxHandle != 0) OS.gtk_widget_show (boxHandle); - if (labelHandle != 0) OS.gtk_widget_show (labelHandle); - } -} - -int /*long*/ windowProc (int /*long*/ handle, int /*long*/ user_data) { - switch ((int)/*64*/user_data) { - case ACTIVATE_INVERSE: { - expanded = OS.gtk_expander_get_expanded (handle); - parent.layoutItems (0, false); - return 0; - } - } - return super.windowProc (handle, user_data); -} -}
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