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comparison dwt/widgets/Scale.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 e831403a80a9
children cfa563df4fdd
comparison
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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 *
15 15
16 import dwt.DWT; 16 import dwt.DWT;
17 import dwt.DWTException; 17 import dwt.DWTException;
18 import dwt.events.SelectionListener; 18 import dwt.events.SelectionListener;
19 import dwt.graphics.Point; 19 import dwt.graphics.Point;
20 import dwt.internal.cocoa.NSControl;
20 import dwt.internal.cocoa.NSRect; 21 import dwt.internal.cocoa.NSRect;
22 import dwt.internal.cocoa.NSSize;
21 import dwt.internal.cocoa.NSSlider; 23 import dwt.internal.cocoa.NSSlider;
22 import dwt.internal.cocoa.SWTSlider; 24 import dwt.internal.cocoa.SWTSlider;
23 25
24 /** 26 /**
25 * Instances of the receiver represent a selectable user 27 * Instances of the receiver represent a selectable user
36 * </p><p> 38 * </p><p>
37 * <p> 39 * <p>
38 * IMPORTANT: This class is intended to be subclassed <em>only</em> 40 * IMPORTANT: This class is intended to be subclassed <em>only</em>
39 * within the DWT implementation. 41 * within the DWT implementation.
40 * </p> 42 * </p>
43 *
44 * @see <a href="http://www.eclipse.org/swt/snippets/#scale">Scale snippets</a>
45 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample</a>
46 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
41 */ 47 */
42 public class Scale : Control { 48 public class Scale : Control {
43 int increment = 1; 49 int increment = 1;
44 int pageIncrement = 10; 50 int pageIncrement = 10;
45 51
112 } 118 }
113 119
114 public Point computeSize (int wHint, int hHint, bool changed) { 120 public Point computeSize (int wHint, int hHint, bool changed) {
115 checkWidget(); 121 checkWidget();
116 NSSlider widget = cast(NSSlider)view; 122 NSSlider widget = cast(NSSlider)view;
117 NSRect oldRect = widget.frame(); 123 NSSize size = widget.cell().cellSizeForBounds(widget.bounds());
118 widget.sizeToFit(); 124 int width = DEFAULT_WIDTH, height = DEFAULT_HEIGHT;
119 NSRect newRect = widget.frame(); 125 if ((style & DWT.HORIZONTAL) !is 0) {
120 widget.setFrame (oldRect); 126 height = cast(int)Math.ceil(size.height);
121 int width = 0, height = 0;
122 if ((style & DWT.HORIZONTAL) !is 0) {
123 height = cast(int)newRect.width;
124 width = height * 10; 127 width = height * 10;
125 } else { 128 } else {
126 width = cast(int)newRect.width; 129 width = cast(int)Math.ceil(size.width);
127 height = width * 10; 130 height = width * 10;
128 } 131 }
129 if (wHint !is DWT.DEFAULT) width = wHint; 132 if (wHint !is DWT.DEFAULT) width = wHint;
130 if (hHint !is DWT.DEFAULT) height = hHint; 133 if (hHint !is DWT.DEFAULT) height = hHint;
131 return new Point (width, height); 134 return new Point (width, height);
132 } 135 }
133 136
134 void createHandle () { 137 void createHandle () {
135 NSSlider widget = cast(NSSlider)new SWTSlider().alloc(); 138 NSSlider widget = cast(NSSlider)new SWTSlider().alloc();
136 NSRect rect = new NSRect(); 139 NSRect rect = new NSRect();
137 if ((style & DWT.HORIZONTAL) !is 0) {
138 rect.width = 1; 140 rect.width = 1;
139 } else {
140 rect.height = 1; 141 rect.height = 1;
141 }
142 widget.initWithFrame(rect); 142 widget.initWithFrame(rect);
143 widget.setMaxValue(100); 143 widget.setMaxValue(100);
144 widget.setTag(jniRef);
145 view = widget; 144 view = widget;
146 parent.contentView().addSubview_(widget); 145 }
147 } 146
147 void deregister() {
148 super.deregister();
149 display.removeWidget(((NSControl)view).cell());
150 }
151
148 152
149 /** 153 /**
150 * Returns the amount that the receiver's value will be 154 * Returns the amount that the receiver's value will be
151 * modified by when the up/down (or right/left) arrows 155 * modified by when the up/down (or right/left) arrows
152 * are pressed. 156 * are pressed.
229 // value = maximum - value + minimum; 233 // value = maximum - value + minimum;
230 // } 234 // }
231 return cast(int)(cast(NSSlider)view).doubleValue(); 235 return cast(int)(cast(NSSlider)view).doubleValue();
232 } 236 }
233 237
238 void register() {
239 super.register();
240 display.addWidget(((NSControl)view).cell(), this);
241 }
242
234 /** 243 /**
235 * Removes the listener from the collection of listeners who will 244 * Removes the listener from the collection of listeners who will
236 * be notified when the user changes the receiver's value. 245 * be notified when the user changes the receiver's value.
237 * 246 *
238 * @param listener the listener which should no longer be notified 247 * @param listener the listener which should no longer be notified
288 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> 297 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
289 * </ul> 298 * </ul>
290 */ 299 */
291 public void setMaximum (int value) { 300 public void setMaximum (int value) {
292 checkWidget(); 301 checkWidget();
293 if (value < 0) return; 302 int minimum = (int)((NSSlider)view).minValue();
294 (cast(NSSlider)view).setMaxValue(value); 303 if (value <= minimum) return;
295 } 304 }
296 305
297 /** 306 /**
298 * Sets the minimum value that the receiver will allow. This new 307 * Sets the minimum value that the receiver will allow. This new
299 * value will be ignored if it is negative or is not less than the receiver's 308 * value will be ignored if it is negative or is not less than the receiver's
307 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> 316 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
308 * </ul> 317 * </ul>
309 */ 318 */
310 public void setMinimum (int value) { 319 public void setMinimum (int value) {
311 checkWidget(); 320 checkWidget();
312 if (value < 0) return; 321 int maximum = (int)((NSSlider)view).maxValue();
313 (cast(NSSlider)view).setMinValue(value); 322 if (!(0 <= value && value < maximum)) return;
314 } 323 }
315 324
316 /** 325 /**
317 * Sets the amount that the receiver's value will be 326 * Sets the amount that the receiver's value will be
318 * modified by when the page increment/decrement areas 327 * modified by when the page increment/decrement areas