diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/TabFolder.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/TabFolder.java | 683 |
1 files changed, 0 insertions, 683 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/TabFolder.java b/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/TabFolder.java deleted file mode 100644 index 351fa3cb93..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/TabFolder.java +++ /dev/null @@ -1,683 +0,0 @@ -package org.eclipse.swt.widgets; - -/* - * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. - * This file is made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - */ - -import org.eclipse.swt.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.internal.carbon.*; - -/** - * Instances of this class implement the notebook user interface - * metaphor. It allows the user to select a notebook page from - * set of pages. - * <p> - * The item children that may be added to instances of this class - * must be of type <code>TabItem</code>. - * <code>Control</code> children are created and then set into a - * tab item using <code>TabItem#setControl</code>. - * </p><p> - * Note that although this class is a subclass of <code>Composite</code>, - * it does not make sense to set a layout on it. - * </p><p> - * <dl> - * <dt><b>Styles:</b></dt> - * <dd>(none)</dd> - * <dt><b>Events:</b></dt> - * <dd>Selection</dd> - * </dl> - * <p> - * IMPORTANT: This class is <em>not</em> intended to be subclassed. - * </p> - */ -public class TabFolder extends Composite { - - private static final int TAB_HEIGHT= 32; - private static final int MARGIN= 6; - - TabItem [] items; - private int oldValue; - -/** - * 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 - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public TabFolder (Composite parent, int style) { - super (parent, checkStyle (style)); -} - -/** - * Adds the listener to the collection of listeners who will - * be notified when the receiver's selection changes, by sending - * it one of the messages defined in the <code>SelectionListener</code> - * interface. - * <p> - * When <code>widgetSelected</code> is called, the item field of the event object is valid. - * <code>widgetDefaultSelected</code> is not called. - * </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); -} - -static int checkStyle (int style) { - /* - * Even though it is legal to create this widget - * with scroll bars, they serve no useful purpose - * because they do not automatically scroll the - * widget's client area. The fix is to clear - * the SWT style. - */ - return style & ~(SWT.H_SCROLL | SWT.V_SCROLL); -} - -protected void checkSubclass () { - if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); -} - -public Point computeSize (int wHint, int hHint, boolean changed) { - checkWidget (); - /* AW - RECT insetRect = new RECT (), itemRect = new RECT (); - OS.SendMessage (handle, OS.TCM_ADJUSTRECT, 0, insetRect); - int width = insetRect.left - insetRect.right, height = 0; - int count = OS.SendMessage (handle, OS.TCM_GETITEMCOUNT, 0, 0); - if (count != 0) { - OS.SendMessage (handle, OS.TCM_GETITEMRECT, count - 1, itemRect); - width = Math.max (width, itemRect.right - insetRect.right); - } - */ - int width= 100; // AW a bogus guess - int height= 0; - - Point size; - if (layout != null) { - size = layout.computeSize (this, wHint, hHint, changed); - } else { - size = minimumSize (); - } - if (size.x == 0) size.x = DEFAULT_WIDTH; - if (size.y == 0) size.y = DEFAULT_HEIGHT; - if (wHint != SWT.DEFAULT) size.x = wHint; - if (hHint != SWT.DEFAULT) size.y = hHint; - width = Math.max (width, size.x); - height = Math.max (height, size.y); - Rectangle trim = computeTrim (0, 0, width, height); - width = trim.width; height = trim.height; - return new Point (width, height); -} -public Rectangle computeTrim (int x, int y, int width, int height) { - checkWidget (); - /* AW - RECT rect = new RECT (); - OS.SetRect (rect, x, y, x + width, y + height); - OS.SendMessage (handle, OS.TCM_ADJUSTRECT, 1, rect); - */ - /* AW - int border = getBorderWidth (); - rect.left -= border; rect.right += border; - rect.top -= border; rect.bottom += border; - int newWidth = rect.right - rect.left; - int newHeight = rect.bottom - rect.top; - return new Rectangle (rect.left, rect.top, newWidth, newHeight); - */ - return new Rectangle (x-MARGIN, y-TAB_HEIGHT, width+(2*MARGIN), height+TAB_HEIGHT+MARGIN); -} - -void createItem (TabItem item, int index) { - int count = OS.GetControl32BitMaximum(handle); - - if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE); - if (count == items.length) { - TabItem [] newItems = new TabItem [items.length + 4]; - System.arraycopy (items, 0, newItems, 0, items.length); - items = newItems; - } - /* AW - TCITEM tcItem = new TCITEM (); - if (OS.SendMessage (handle, OS.TCM_INSERTITEM, index, tcItem) == -1) { - error (SWT.ERROR_ITEM_NOT_ADDED); - } - */ - OS.SetControl32BitMaximum(handle, count+1); - - System.arraycopy (items, index, items, index + 1, count - index); - items [index] = item; - - /* - * Send a selection event when the item that is added becomes - * the new selection. This only happens when the first item - * is added. - */ - if (count == 0) { - Event event = new Event (); - event.item = items [0]; - sendEvent (SWT.Selection, event); - // the widget could be destroyed at this point - } -} -void createHandle (int index) { - state |= HANDLE; - state &= ~CANVAS; - - handle= MacUtil.newControl(parent.handle, OS.kControlTabSmallProc); - if (handle == 0) error (SWT.ERROR_NO_HANDLES); -} - -void createWidget (int index) { - super.createWidget (index); - items = new TabItem [4]; -} - -void destroyItem (TabItem item) { - int count = OS.GetControl32BitMaximum(handle); - int index = 0; - while (index < count) { - if (items [index] == item) break; - index++; - } - if (index == count) return; // not found - int selectionIndex = OS.GetControl32BitValue(handle)-1; - - /* AW - if (OS.SendMessage (handle, OS.TCM_DELETEITEM, index, 0) == 0) { - error (SWT.ERROR_ITEM_NOT_REMOVED); - } - */ - OS.SetControl32BitMaximum(handle, count-1); - - System.arraycopy (items, index + 1, items, index, --count - index); - items [count] = null; - if (count == 0) { - /* AW - if (imageList != null) { - OS.SendMessage (handle, OS.TCM_SETIMAGELIST, 0, 0); - Display display = getDisplay (); - display.releaseImageList (imageList); - } - imageList = null; - */ - items = new TabItem [4]; - } - - updateCarbon(index); - - if (count > 0 && index == selectionIndex) { - setSelection (Math.max (0, selectionIndex - 1)); - selectionIndex = getSelectionIndex (); - if (selectionIndex != -1) { - Event event = new Event (); - event.item = items [selectionIndex]; - sendEvent (SWT.Selection, event); - // the widget could be destroyed at this point - } - } -} - -public Rectangle getClientArea () { - checkWidget (); - /* AW - if (parent.hdwp != 0) { - int oldHdwp = parent.hdwp; - parent.hdwp = 0; - OS.EndDeferWindowPos (oldHdwp); - int count = parent.getChildrenCount (); - parent.hdwp = OS.BeginDeferWindowPos (count); - } - RECT rect = new RECT (); - OS.GetClientRect (handle, rect); - OS.SendMessage (handle, OS.TCM_ADJUSTRECT, 0, rect); - int width = rect.right - rect.left; - int height = rect.bottom - rect.top; - return new Rectangle (rect.left, rect.top, width, height); - */ - - short[] outer= new short[4]; - OS.GetControlBounds(handle, outer); - - short[] inner= new short[4]; - OS.GetControlData(handle, OS.kControlEntireControl, OS.kControlTabContentRectTag, inner); - - return new Rectangle(inner[1]-outer[1], inner[0]-outer[0], inner[3]-inner[1], inner[2]-inner[0]); -} - -/** - * Returns the item at the given, zero-relative index in the - * receiver. Throws an exception if the index is out of range. - * - * @param index the index of the item to return - * @return the item at the given index - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</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 TabItem getItem (int index) { - checkWidget (); - int count = OS.GetControl32BitMaximum(handle); - if (!(0 <= index && index < count)) error (SWT.ERROR_INVALID_RANGE); - return items [index]; -} - -/** - * Returns the number of items contained in the receiver. - * - * @return the number of items - * - * @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 getItemCount () { - checkWidget (); - return OS.GetControl32BitMaximum(handle); -} - -/** - * Returns an array of <code>TabItem</code>s which are the items - * in the receiver. - * <p> - * Note: This is not the actual structure used by the receiver - * to maintain its list of items, so modifying the array will - * not affect the receiver. - * </p> - * - * @return the items 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 TabItem [] getItems () { - checkWidget (); - int count = OS.GetControl32BitMaximum(handle); - int n= 0; - for (int i=0; i < count; i++) - if (items[i] != null) - n++; - if (n < count) - System.out.println("TabFolder.getItems: found null slots"); - TabItem [] result = new TabItem [n]; - for (int i=0; i < n; i++) - if (items[i] != null) - result[i]= items[i]; - //System.arraycopy (items, 0, result, 0, count); - return result; -} - -/** - * Returns an array of <code>TabItem</code>s that are currently - * selected in the receiver. An empty array indicates that no - * items are selected. - * <p> - * Note: This is not the actual structure used by the receiver - * to maintain its selection, so modifying the array will - * not affect the receiver. - * </p> - * @return an array representing 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 TabItem [] getSelection () { - checkWidget (); - int index= OS.GetControl32BitValue(handle)-1; - if (index == -1) return new TabItem [0]; - return new TabItem [] {items [index]}; -} - -/** - * Returns the zero-relative index of the item which is currently - * selected in the receiver, or -1 if no item is selected. - * - * @return the index of the selected 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 int getSelectionIndex () { - checkWidget (); - return OS.GetControl32BitValue(handle)-1; -} -void hookEvents () { - super.hookEvents (); - - Display display= getDisplay(); - OS.SetControlAction(handle, display.fControlActionProc); -} -/** - * Searches the receiver's list starting at the first item - * (index 0) until an item is found that is equal to the - * argument, and returns the index of that item. If no item - * is found, returns -1. - * - * @param item the search item - * @return the index of the item - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the string 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 int indexOf (TabItem item) { - checkWidget (); - if (item == null) error (SWT.ERROR_NULL_ARGUMENT); - int count = OS.GetControl32BitMaximum(handle); - for (int i=0; i<count; i++) { - if (items [i] == item) return i; - } - return -1; -} -/* AW -boolean mnemonicHit (char key) { - for (int i=0; i<items.length; i++) { - TabItem item = items [i]; - if (item != null) { - char ch = findMnemonic (item.getText ()); - if (Character.toUpperCase (key) == Character.toUpperCase (ch)) { - if (setFocus ()) { - setSelection (i, true); - return true; - } - } - } - } - return false; -} -boolean mnemonicMatch (char key) { - for (int i=0; i<items.length; i++) { - TabItem item = items [i]; - if (item != null) { - char ch = findMnemonic (item.getText ()); - if (Character.toUpperCase (key) == Character.toUpperCase (ch)) { - return true; - } - } - } - return false; -} -*/ -void releaseWidget () { - int count = OS.GetControl32BitMaximum(handle); - for (int i=0; i<count; i++) { - TabItem item = items [i]; - if (item != null && !item.isDisposed ()) item.releaseWidget (); - } - items = null; - /* AW - if (imageList != null) { - OS.SendMessage (handle, OS.TCM_SETIMAGELIST, 0, 0); - Display display = getDisplay (); - display.releaseImageList (imageList); - } - imageList = null; - */ - super.releaseWidget (); -} - -/** - * Removes the listener from the collection of listeners who will - * be notified when the receiver's selection changes. - * - * @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 selection to be the given array of items. - * The current selected is first cleared, then the new items are - * selected. - * - * @param items the array of items - * - * @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 (TabItem [] items) { - checkWidget (); - if (items == null) error (SWT.ERROR_NULL_ARGUMENT); - if (items.length == 0) { - setSelection (-1); - return; - } - for (int i=items.length-1; i>=0; --i) { - int index = indexOf (items [i]); - if (index != -1) setSelection (index); - } -} - -/** - * Selects the item at the given zero-relative index in the receiver. - * If the item at the index was already selected, it remains selected. - * The current selected is first cleared, then the new items are - * selected. Indices that are out of range are ignored. - * - * @param index the index of the item to select - * - * @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 index) { - checkWidget (); - setSelection (index, false); -} - -void setSelection (int index, boolean notify) { - - int oldIndex = OS.GetControl32BitValue(handle) - 1; - if (oldIndex != -1) { - TabItem item = items [oldIndex]; - if (item != null) { - Control control = item.control; - if (control != null && !control.isDisposed ()) { - control.setVisible (false); - } - } - } - OS.SetControl32BitValue(handle, index+1); - - int newIndex = OS.GetControl32BitValue(handle) - 1; - if (newIndex != -1) { - TabItem item = items [newIndex]; - if (item != null) { - Control control = item.control; - if (control != null && !control.isDisposed ()) { - control.setBounds (getClientArea ()); - control.setVisible (true); - } - if (notify) { - Event event = new Event (); - event.item = item; - sendEvent (SWT.Selection, event); - } - } - } -} - -boolean traversePage (boolean next) { - int count = getItemCount (); - if (count == 0) return false; - int index = getSelectionIndex (); - if (index == -1) { - index = 0; - } else { - int offset = (next) ? 1 : -1; - index = (index + offset + count) % count; - } - setSelection (index, true); - return index == getSelectionIndex (); -} - -////////////////////////////////////////////////// -// Mac stuff -////////////////////////////////////////////////// - -int processSelection (Object callData) { - MacControlEvent macEvent= (MacControlEvent) callData; - if (!macEvent.isMouseDown()) - handleSelectionChange(macEvent.getPartCode()-1); - else - oldValue= OS.GetControl32BitValue(handle)-1; - return 0; -} - -private void handleSelectionChange(int newValue) { - - TabItem item = null; - int index= oldValue; - - if (index != -1) item = items [index]; - if (item != null) { - Control control = item.control; - if (control != null && !control.isDisposed ()) { - control.setVisible (false); - } - } - - index= newValue; - if (index != -1) item = items [index]; - if (item != null) { - Control control = item.control; - if (control != null && !control.isDisposed ()) { - control.setBounds (getClientArea ()); - control.setVisible (true); - } - } - - Event event = new Event (); - event.item = item; - postEvent (SWT.Selection, event); -} - -private void updateCarbon(int startIndex) { - int n= OS.GetControl32BitMaximum(handle); - for (int i= startIndex; i < n; i++) { - TabItem item= items[i]; - if (item != null) - setTabText(i, item.getText()); - } -} - -void setTabText(int index, String string) { - int sHandle= 0; - try { - String t= MacUtil.removeMnemonics(string); - sHandle= OS.CFStringCreateWithCharacters(t); - OS.setTabText(handle, index+1, sHandle); - } finally { - if (sHandle != 0) - OS.CFRelease(sHandle); - } -} - -void setTabImage(int index, Image image) { - /* AW: does not work yet... - int icon= Image.carbon_createCIcon(image); - if (icon != 0) - if (OS.setTabIcon(handle, index+1, icon) != OS.kNoErr) - System.err.println("TabFolder.setTabImage: error"); - */ -} - -/** - * Overridden from Control. - * x and y are relative to window! - */ -void handleResize(int hndl, MacRect bounds) { - - bounds.inset(MARGIN, 0, MARGIN, MARGIN); - super.handleResize(hndl, bounds); - - if (handle != 0) { - int selectedIndex= OS.GetControl32BitValue(handle)-1; - if (selectedIndex != -1) { - Control control = items[selectedIndex].getControl(); - if (control != null && !control.isDisposed()) { - control.setBounds(getClientArea()); - } - } - } -} - -} |