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comparison dwt/widgets/Scrollable.d @ 45:d8635bb48c7c

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Merge with SWT 3.5
author Jacob Carlborg <doob@me.com>
date Mon, 01 Dec 2008 17:07:00 +0100
parents 642f460a0908
children cfa563df4fdd
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44:ca5e494f2bbf 45:d8635bb48c7c
1 /******************************************************************************* 1 /*******************************************************************************
2 * Copyright (c) 2000, 2007 IBM Corporation and others. 2 * Copyright (c) 2000, 2008 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials 3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0 4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at 5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html 6 * http://www.eclipse.org/legal/epl-v10.html
7 * 7 *
8 * Contributors: 8 * Contributors:
9 * IBM Corporation - initial API and implementation 9 * IBM Corporation - initial API and implementation
10 * 10 *
11 * Port to the D programming language: 11 * Port to the D programming language:
12 * Jacob Carlborg <jacob.carlborg@gmail.com> 12 * Jacob Carlborg <doob@me.com>
13 *******************************************************************************/ 13 *******************************************************************************/
14 module dwt.widgets.Scrollable; 14 module dwt.widgets.Scrollable;
15 15
16 16
17 import dwt.DWT; 17 import dwt.DWT;
21 import dwt.internal.cocoa.NSScrollView; 21 import dwt.internal.cocoa.NSScrollView;
22 import dwt.internal.cocoa.NSScroller; 22 import dwt.internal.cocoa.NSScroller;
23 import dwt.internal.cocoa.NSSize; 23 import dwt.internal.cocoa.NSSize;
24 import dwt.internal.cocoa.NSView; 24 import dwt.internal.cocoa.NSView;
25 import dwt.internal.cocoa.OS; 25 import dwt.internal.cocoa.OS;
26 import dwt.internal.cocoa.SWTScrollView; 26 import dwt.internal.cocoa.SWTScroller;
27 27
28 import dwt.dwthelper.utils; 28 import dwt.dwthelper.utils;
29 import dwt.widgets.Composite; 29 import dwt.widgets.Composite;
30 import dwt.widgets.Control; 30 import dwt.widgets.Control;
31 import dwt.widgets.Display; 31 import dwt.widgets.Display;
43 * </dl> 43 * </dl>
44 * <p> 44 * <p>
45 * IMPORTANT: This class is intended to be subclassed <em>only</em> 45 * IMPORTANT: This class is intended to be subclassed <em>only</em>
46 * within the DWT implementation. 46 * within the DWT implementation.
47 * </p> 47 * </p>
48 *
49 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
48 */ 50 */
49 public abstract class Scrollable : Control { 51 public abstract class Scrollable : Control {
50 SWTScrollView scrollView; 52 NSScrollView scrollView;
51 ScrollBar horizontalBar, verticalBar; 53 ScrollBar horizontalBar, verticalBar;
52 54
53 this () { 55 this () {
54 /* Do nothing */ 56 /* Do nothing */
55 } 57 }
83 * @see Widget#checkSubclass 85 * @see Widget#checkSubclass
84 * @see Widget#getStyle 86 * @see Widget#getStyle
85 */ 87 */
86 public this (Composite parent, int style) { 88 public this (Composite parent, int style) {
87 super (parent, style); 89 super (parent, style);
90 }
91
92 bool accessibilityIsIgnored(int /*long*/ id, int /*long*/ sel) {
93 // Always ignore scrollers.
94 if (scrollView !is null && id is scrollView.id) return true;
95 return super.accessibilityIsIgnored(id, sel);
88 } 96 }
89 97
90 /** 98 /**
91 * Given a desired <em>client area</em> for the receiver 99 * Given a desired <em>client area</em> for the receiver
92 * (as described by the arguments), returns the bounding 100 * (as described by the arguments), returns the bounding
137 bar.parent = this; 145 bar.parent = this;
138 bar.style = style; 146 bar.style = style;
139 bar.display = display; 147 bar.display = display;
140 NSScroller scroller; 148 NSScroller scroller;
141 String actionSelector; 149 String actionSelector;
150 NSRect rect = new NSRect();
142 if ((style & DWT.H_SCROLL) !is 0) { 151 if ((style & DWT.H_SCROLL) !is 0) {
143 scroller = scrollView.horizontalScroller(); 152 rect.width = 1;
153 } else {
154 rect.height = 1;
155 }
156 scroller = (NSScroller)new SWTScroller().alloc();
157 scroller.initWithFrame(rect);
158 if ((style & DWT.H_SCROLL) !is 0) {
159 scrollView.setHorizontalScroller(scroller);
144 actionSelector = OS.sel_sendHorizontalSelection; 160 actionSelector = OS.sel_sendHorizontalSelection;
145 } else { 161 } else {
146 scroller = scrollView.verticalScroller(); 162 scrollView.setVerticalScroller(scroller);
147 actionSelector = OS.sel_sendVerticalSelection; 163 actionSelector = OS.sel_sendVerticalSelection;
148 } 164 }
149 bar.view = scroller; 165 bar.view = scroller;
150 //bar.createJNIRef(); 166 //bar.createJNIRef();
151 scroller.setTag(bar.jniRef); 167 bar.register();
152 if ((state & CANVAS) is 0) { 168 if ((state & CANVAS) is 0) {
153 bar.target = scroller.target(); 169 bar.target = scroller.target();
154 bar.actionSelector = scroller.action(); 170 bar.actionSelector = scroller.action();
155 } 171 }
156 scroller.setTarget(scrollView); 172 scroller.setTarget(scrollView);
160 176
161 void createWidget () { 177 void createWidget () {
162 super.createWidget (); 178 super.createWidget ();
163 if ((style & DWT.H_SCROLL) !is 0) horizontalBar = createScrollBar (DWT.H_SCROLL); 179 if ((style & DWT.H_SCROLL) !is 0) horizontalBar = createScrollBar (DWT.H_SCROLL);
164 if ((style & DWT.V_SCROLL) !is 0) verticalBar = createScrollBar (DWT.V_SCROLL); 180 if ((style & DWT.V_SCROLL) !is 0) verticalBar = createScrollBar (DWT.V_SCROLL);
181 }
182
183 void deregister () {
184 super.deregister ();
185 if (scrollView !is null) display.removeWidget (scrollView);
165 } 186 }
166 187
167 /** 188 /**
168 * Returns a rectangle which describes the area of the 189 * Returns a rectangle which describes the area of the
169 * receiver which is capable of displaying data (that is, 190 * receiver which is capable of displaying data (that is,
223 244
224 bool hooksKeys () { 245 bool hooksKeys () {
225 return hooks (DWT.KeyDown) || hooks (DWT.KeyUp) || hooks (DWT.Traverse); 246 return hooks (DWT.KeyDown) || hooks (DWT.KeyUp) || hooks (DWT.Traverse);
226 } 247 }
227 248
249 bool isTrim (NSView view) {
250 if (scrollView !is null) {
251 if (scrollView.id is view.id) return true;
252 if (horizontalBar !is null && horizontalBar.view.id is view.id) return true;
253 if (verticalBar !is null && verticalBar.view.id is view.id) return true;
254 }
255 return super.isTrim (view);
256 }
257
258 void register () {
259 super.register ();
260 if (scrollView !is null) display.addWidget (scrollView, this);
261 }
228 262
229 void releaseHandle () { 263 void releaseHandle () {
230 super.releaseHandle (); 264 super.releaseHandle ();
231 if (scrollView !is null) { 265 if (scrollView !is null) scrollView.release();
232 scrollView.setTag(-1);
233 scrollView.release();
234 }
235 scrollView = null; 266 scrollView = null;
236 } 267 }
237 268
238 void releaseChildren (bool destroy) { 269 void releaseChildren (bool destroy) {
239 if (horizontalBar !is null) { 270 if (horizontalBar !is null) {
245 verticalBar = null; 276 verticalBar = null;
246 } 277 }
247 super.releaseChildren (destroy); 278 super.releaseChildren (destroy);
248 } 279 }
249 280
250 void resizeClientArea () {
251 // if (scrolledHandle is 0) return;
252 // if ((state & CANVAS) is 0) return;
253 // int vWidth = 0, hHeight = 0;
254 // int [] outMetric = new int [1];
255 // OS.GetThemeMetric (OS.kThemeMetricScrollBarWidth, outMetric);
256 // bool isVisibleHBar = horizontalBar !is null && horizontalBar.getVisible ();
257 // bool isVisibleVBar = verticalBar !is null && verticalBar.getVisible ();
258 // if (isVisibleHBar) hHeight = outMetric [0];
259 // if (isVisibleVBar) vWidth = outMetric [0];
260 // int width, height;
261 // CGRect rect = new CGRect ();
262 // OS.HIViewGetBounds (scrolledHandle, rect);
263 // width = cast(int) rect.width;
264 // height = cast(int) rect.height;
265 // Rect inset = inset ();
266 // width = Math.max (0, width - vWidth - inset.left - inset.right);
267 // height = Math.max (0, height - hHeight - inset.top - inset.bottom);
268 // setBounds (handle, inset.left, inset.top, width, height, true, true, false);
269 // if (isVisibleHBar) {
270 // setBounds (horizontalBar.handle, inset.left, inset.top + height, width, hHeight, true, true, false);
271 // }
272 // if (isVisibleVBar) {
273 // setBounds (verticalBar.handle, inset.left + width, inset.top, vWidth, height, true, true, false);
274 // }
275 }
276
277 void sendHorizontalSelection () { 281 void sendHorizontalSelection () {
278 horizontalBar.sendSelection (); 282 horizontalBar.sendSelection ();
279 }
280
281 bool sendMouseWheel (short wheelAxis, int wheelDelta) {
282 // if ((state & CANVAS) !is 0) {
283 // ScrollBar bar = wheelAxis is OS.kEventMouseWheelAxisX ? horizontalBar : verticalBar;
284 // if (bar !is null && bar.getEnabled ()) {
285 // bar.setSelection (Math.max (0, bar.getSelection () - bar.getIncrement () * wheelDelta));
286 // Event event = new Event ();
287 // event.detail = wheelDelta > 0 ? DWT.PAGE_UP : DWT.PAGE_DOWN;
288 // bar.sendEvent (DWT.Selection, event);
289 // return true;
290 // }
291 // }
292 return false;
293 } 283 }
294 284
295 void sendVerticalSelection () { 285 void sendVerticalSelection () {
296 verticalBar.sendSelection (); 286 verticalBar.sendSelection ();
297 } 287 }
304 bar.state &= ~HIDDEN; 294 bar.state &= ~HIDDEN;
305 } else { 295 } else {
306 if ((bar.state & HIDDEN) !is 0) return false; 296 if ((bar.state & HIDDEN) !is 0) return false;
307 bar.state |= HIDDEN; 297 bar.state |= HIDDEN;
308 } 298 }
309 resizeClientArea (); 299 if ((bar.style & DWT.HORIZONTAL) !is 0) {
310 // setVisible (bar.handle, visible); 300 scrollView.setHasHorizontalScroller (visible);
301 } else {
302 scrollView.setHasVerticalScroller (visible);
303 }
311 bar.sendEvent (visible ? DWT.Show : DWT.Hide); 304 bar.sendEvent (visible ? DWT.Show : DWT.Hide);
312 sendEvent (DWT.Resize); 305 sendEvent (DWT.Resize);
313 return true; 306 return true;
314 } 307 }
315 308
309 void setZOrder () {
310 super.setZOrder ();
311 if (scrollView !is null) scrollView.setDocumentView (view);
312 }
313
316 NSView topView () { 314 NSView topView () {
317 if (scrollView !is null) return scrollView; 315 if (scrollView !is null) return scrollView;
318 return super.topView (); 316 return super.topView ();
319 } 317 }
320 } 318 }