Mercurial > projects > dwt-mac
annotate dwt/widgets/ToolTip.d @ 128:07399639c0c8
Added DWT extension to dwt.widgets.MessageBox
| author | Jacob Carlborg <doob@me.com> |
|---|---|
| date | Sat, 17 Jan 2009 16:26:49 +0100 |
| parents | 63a09873578e |
| children | 0ba75290f8ce |
| rev | line source |
|---|---|
| 45 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2008 IBM Corporation and others. | |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 * |
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11 * Port to the D programming language: |
| 45 | 12 * Jacob Carlborg <doob@me.com> |
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13 *******************************************************************************/ |
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14 module dwt.widgets.ToolTip; |
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15 |
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16 |
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17 import dwt.DWT; |
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18 import dwt.DWTException; |
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19 import dwt.events.SelectionEvent; |
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20 import dwt.events.SelectionListener; |
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21 import dwt.graphics.Color; |
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22 import dwt.graphics.Font; |
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23 import dwt.graphics.FontData; |
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24 import dwt.graphics.GC; |
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25 import dwt.graphics.Image; |
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26 import dwt.graphics.Point; |
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27 import dwt.graphics.Rectangle; |
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28 import dwt.graphics.Region; |
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29 import dwt.graphics.TextLayout; |
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30 import dwt.graphics.TextStyle; |
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31 |
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32 import dwt.dwthelper.utils; |
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33 import dwt.graphics.Device; |
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34 import dwt.widgets.Display; |
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35 import dwt.widgets.Event; |
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36 import dwt.widgets.Listener; |
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37 import dwt.widgets.Shell; |
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38 import dwt.widgets.TrayItem; |
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39 import dwt.widgets.TypedListener; |
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40 import dwt.widgets.Widget; |
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41 |
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42 /** |
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43 * Instances of this class represent popup windows that are used |
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44 * to inform or warn the user. |
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45 * <p> |
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46 * <dl> |
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47 * <dt><b>Styles:</b></dt> |
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48 * <dd>BALLOON, ICON_ERROR, ICON_INFORMATION, ICON_WARNING</dd> |
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49 * <dt><b>Events:</b></dt> |
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50 * <dd>Selection</dd> |
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51 * </dl> |
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52 * </p><p> |
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53 * Note: Only one of the styles ICON_ERROR, ICON_INFORMATION, |
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54 * and ICON_WARNING may be specified. |
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55 * </p><p> |
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56 * IMPORTANT: This class is intended to be subclassed <em>only</em> |
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57 * within the DWT implementation. |
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58 * </p> |
| 45 | 59 * |
| 60 * @see <a href="http://www.eclipse.org/swt/snippets/#tooltips">Tool Tips snippets</a> | |
| 61 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample</a> | |
| 62 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
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63 * |
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64 * @since 3.2 |
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65 */ |
| 3 | 66 public class ToolTip : Widget { |
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67 Shell parent, tip; |
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68 TrayItem item; |
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69 int x, y; |
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70 int [] borderPolygon; |
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71 bool spikeAbove, autohide; |
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72 Listener listener; |
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73 TextLayout layoutText, layoutMessage; |
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74 Region region; |
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75 Font boldFont; |
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76 Runnable runnable; |
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77 |
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78 static final int BORDER = 5; |
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79 static final int PADDING = 5; |
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80 static final int INSET = 4; |
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81 static final int TIP_HEIGHT = 20; |
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82 static final int IMAGE_SIZE = 16; |
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83 static final int DELAY = 10000; |
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84 |
| 123 | 85 /** |
| 86 * Constructs a new instance of this class given its parent | |
| 87 * and a style value describing its behavior and appearance. | |
| 88 * <p> | |
| 89 * The style value is either one of the style constants defined in | |
| 90 * class <code>DWT</code> which is applicable to instances of this | |
| 91 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 92 * (that is, using the <code>int</code> "|" operator) two or more | |
| 93 * of those <code>DWT</code> style constants. The class description | |
| 94 * lists the style constants that are applicable to the class. | |
| 95 * Style bits are also inherited from superclasses. | |
| 96 * </p> | |
| 97 * | |
| 98 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 99 * @param style the style of control to construct | |
| 100 * | |
| 101 * @exception IllegalArgumentException <ul> | |
| 102 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 103 * </ul> | |
| 104 * @exception DWTException <ul> | |
| 105 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 106 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 107 * </ul> | |
| 108 * | |
| 109 * @see DWT#ICON_ERROR | |
| 110 * @see DWT#ICON_INFORMATION | |
| 111 * @see DWT#ICON_WARNING | |
| 112 * @see Widget#checkSubclass | |
| 113 * @see Widget#getStyle | |
| 114 */ | |
| 115 public this (Shell parent, int style) { | |
| 116 super (parent, checkStyle (style)); | |
| 117 this.parent = parent; | |
| 118 this.autohide = true; | |
| 119 x = y = -1; | |
| 120 Display display = getDisplay (); | |
| 121 tip = new Shell (parent, DWT.ON_TOP | DWT.NO_TRIM); | |
| 122 Color background = display.getSystemColor (DWT.COLOR_INFO_BACKGROUND); | |
| 123 tip.setBackground (background); | |
| 124 listener = new class Listener { | |
| 125 public void handleEvent (Event event) { | |
| 126 switch (event.type) { | |
| 127 case DWT.Dispose: onDispose (event); break; | |
| 128 case DWT.Paint: onPaint (event); break; | |
| 129 case DWT.MouseDown: onMouseDown (event); break; | |
| 130 default: | |
| 131 assert(false); | |
| 132 } | |
| 133 } | |
| 134 }; | |
| 135 addListener (DWT.Dispose, listener); | |
| 136 tip.addListener (DWT.Paint, listener); | |
| 137 tip.addListener (DWT.MouseDown, listener); | |
| 138 } | |
| 139 | |
| 140 static int checkStyle (int style) { | |
| 141 int mask = DWT.ICON_ERROR | DWT.ICON_INFORMATION | DWT.ICON_WARNING; | |
| 142 if ((style & mask) is 0) return style; | |
| 143 return checkBits (style, DWT.ICON_INFORMATION, DWT.ICON_WARNING, DWT.ICON_ERROR, 0, 0, 0); | |
| 144 } | |
| 145 | |
| 146 /** | |
| 147 * Adds the listener to the collection of listeners who will | |
| 148 * be notified when the receiver is selected by the user, by sending | |
| 149 * it one of the messages defined in the <code>SelectionListener</code> | |
| 150 * interface. | |
| 151 * <p> | |
| 152 * <code>widgetSelected</code> is called when the receiver is selected. | |
| 153 * <code>widgetDefaultSelected</code> is not called. | |
| 154 * </p> | |
| 155 * | |
| 156 * @param listener the listener which should be notified when the receiver is selected by the user | |
| 157 * | |
| 158 * @exception IllegalArgumentException <ul> | |
| 159 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 160 * </ul> | |
| 161 * @exception DWTException <ul> | |
| 162 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 163 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 164 * </ul> | |
| 165 * | |
| 166 * @see SelectionListener | |
| 167 * @see #removeSelectionListener | |
| 168 * @see SelectionEvent | |
| 169 */ | |
| 170 public void addSelectionListener (SelectionListener listener) { | |
| 171 checkWidget (); | |
| 172 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 173 TypedListener typedListener = new TypedListener (listener); | |
| 174 addListener (DWT.Selection,typedListener); | |
| 175 addListener (DWT.DefaultSelection,typedListener); | |
| 176 } | |
| 177 | |
| 178 void configure () { | |
| 179 Display display = parent.getDisplay (); | |
| 180 int x = this.x; | |
| 181 int y = this.y; | |
| 182 if (x is -1 || y is -1) { | |
| 183 Point point; | |
| 184 if (item !is null) { | |
| 185 point = item.getLocation (); | |
| 186 } else { | |
| 187 point = display.getCursorLocation (); | |
| 188 } | |
| 189 x = point.x; | |
| 190 y = point.y; | |
| 191 } | |
| 192 dwt.widgets.Monitor.Monitor monitor = parent.getMonitor (); | |
| 193 Rectangle dest = monitor.getBounds (); | |
| 194 Point size = getSize (dest.width / 4); | |
| 195 int w = size.x; | |
| 196 int h = size.y; | |
| 197 int t = (style & DWT.BALLOON) !is 0 ? TIP_HEIGHT : 0; | |
| 198 int i = (style & DWT.BALLOON) !is 0 ? 16 : 0; | |
| 199 tip.setSize (w, h + t); | |
| 200 int [] polyline; | |
| 201 spikeAbove = dest.height >= y + size.y + t; | |
| 202 if (dest.width >= x + size.x) { | |
| 203 if (dest.height >= y + size.y + t) { | |
| 204 polyline = [ | |
| 205 0, 5+t, 1, 5+t, 1, 3+t, 3, 1+t, 5, 1+t, 5, t, | |
| 206 16, t, 16, 0, 35, t, | |
| 207 w-5, t, w-5, 1+t, w-3, 1+t, w-1, 3+t, w-1, 5+t, w, 5+t, | |
| 208 w, h-5+t, w-1, h-5+t, w-1, h-3+t, w-2, h-3+t, w-2, h-2+t, w-3, h-2+t, w-3, h-1+t, w-5, h-1+t, w-5, h+t, | |
| 209 5, h+t, 5, h-1+t, 3, h-1+t, 3, h-2+t, 2, h-2+t, 2, h-3+t, 1, h-3+t, 1, h-5+t, 0, h-5+t, | |
| 210 0, 5+t]; | |
| 211 borderPolygon = [ | |
| 212 0, 5+t, 1, 4+t, 1, 3+t, 3, 1+t, 4, 1+t, 5, t, | |
| 213 16, t, 16, 1, 35, t, | |
| 214 w-6, 0+t, w-5, 1+t, w-4, 1+t, w-2, 3+t, w-2, 4+t, w-1, 5+t, | |
| 215 w-1, h-6+t, w-2, h-5+t, w-2, h-4+t, w-4, h-2+t, w-5, h-2+t, w-6, h-1+t, | |
| 216 5, h-1+t, 4, h-2+t, 3, h-2+t, 1, h-4+t, 1, h-5+t, 0, h-6+t, | |
| 217 0, 5+t]; | |
| 218 tip.setLocation (Math.max (0, x - i), y); | |
| 219 } else { | |
| 220 polyline = [ | |
| 221 0, 5, 1, 5, 1, 3, 3, 1, 5, 1, 5, 0, | |
| 222 w-5, 0, w-5, 1, w-3, 1, w-1, 3, w-1, 5, w, 5, | |
| 223 w, h-5, w-1, h-5, w-1, h-3, w-2, h-3, w-2, h-2, w-3, h-2, w-3, h-1, w-5, h-1, w-5, h, | |
| 224 35, h, 16, h+t, 16, h, | |
| 225 5, h, 5, h-1, 3, h-1, 3, h-2, 2, h-2, 2, h-3, 1, h-3, 1, h-5, 0, h-5, | |
| 226 0, 5]; | |
| 227 borderPolygon = [ | |
| 228 0, 5, 1, 4, 1, 3, 3, 1, 4, 1, 5, 0, | |
| 229 w-6, 0, w-5, 1, w-4, 1, w-2, 3, w-2, 4, w-1, 5, | |
| 230 w-1, h-6, w-2, h-5, w-2, h-4, w-4, h-2, w-5, h-2, w-6, h-1, | |
| 231 36, h-1, 16, h+t-1, 16, h-1, | |
| 232 5, h-1, 4, h-2, 3, h-2, 1, h-4, 1, h-5, 0, h-6, | |
| 233 0, 5]; | |
| 234 tip.setLocation (Math.max (0, x - i), y - size.y - t); | |
| 235 } | |
| 236 } else { | |
| 237 if (dest.height >= y + size.y + t) { | |
| 238 polyline = [ | |
| 239 0, 5+t, 1, 5+t, 1, 3+t, 3, 1+t, 5, 1+t, 5, t, | |
| 240 w-35, t, w-16, 0, w-16, t, | |
| 241 w-5, t, w-5, 1+t, w-3, 1+t, w-1, 3+t, w-1, 5+t, w, 5+t, | |
| 242 w, h-5+t, w-1, h-5+t, w-1, h-3+t, w-2, h-3+t, w-2, h-2+t, w-3, h-2+t, w-3, h-1+t, w-5, h-1+t, w-5, h+t, | |
| 243 5, h+t, 5, h-1+t, 3, h-1+t, 3, h-2+t, 2, h-2+t, 2, h-3+t, 1, h-3+t, 1, h-5+t, 0, h-5+t, | |
| 244 0, 5+t]; | |
| 245 borderPolygon = [ | |
| 246 0, 5+t, 1, 4+t, 1, 3+t, 3, 1+t, 4, 1+t, 5, t, | |
| 247 w-35, t, w-17, 2, w-17, t, | |
| 248 w-6, t, w-5, 1+t, w-4, 1+t, w-2, 3+t, w-2, 4+t, w-1, 5+t, | |
| 249 w-1, h-6+t, w-2, h-5+t, w-2, h-4+t, w-4, h-2+t, w-5, h-2+t, w-6, h-1+t, | |
| 250 5, h-1+t, 4, h-2+t, 3, h-2+t, 1, h-4+t, 1, h-5+t, 0, h-6+t, | |
| 251 0, 5+t]; | |
| 252 tip.setLocation (Math.min (dest.width - size.x, x - size.x + i), y); | |
| 253 } else { | |
| 254 polyline = [ | |
| 255 0, 5, 1, 5, 1, 3, 3, 1, 5, 1, 5, 0, | |
| 256 w-5, 0, w-5, 1, w-3, 1, w-1, 3, w-1, 5, w, 5, | |
| 257 w, h-5, w-1, h-5, w-1, h-3, w-2, h-3, w-2, h-2, w-3, h-2, w-3, h-1, w-5, h-1, w-5, h, | |
| 258 w-16, h, w-16, h+t, w-35, h, | |
| 259 5, h, 5, h-1, 3, h-1, 3, h-2, 2, h-2, 2, h-3, 1, h-3, 1, h-5, 0, h-5, | |
| 260 0, 5]; | |
| 261 borderPolygon = [ | |
| 262 0, 5, 1, 4, 1, 3, 3, 1, 4, 1, 5, 0, | |
| 263 w-6, 0, w-5, 1, w-4, 1, w-2, 3, w-2, 4, w-1, 5, | |
| 264 w-1, h-6, w-2, h-5, w-2, h-4, w-4, h-2, w-5, h-2, w-6, h-1, | |
| 265 w-17, h-1, w-17, h+t-2, w-36, h-1, | |
| 266 5, h-1, 4, h-2, 3, h-2, 1, h-4, 1, h-5, 0, h-6, | |
| 267 0, 5]; | |
| 268 tip.setLocation (Math.min (dest.width - size.x, x - size.x + i), y - size.y - t); | |
| 269 } | |
| 270 } | |
| 271 if ((style & DWT.BALLOON) !is 0) { | |
| 272 if (region !is null) region.dispose (); | |
| 273 region = new Region (display); | |
| 274 region.add (polyline); | |
| 275 tip.setRegion (region); | |
| 276 } | |
| 277 } | |
| 278 | |
| 279 /** | |
| 280 * Returns <code>true</code> if the receiver is automatically | |
| 281 * hidden by the platform, and <code>false</code> otherwise. | |
| 282 * | |
| 283 * @return the receiver's auto hide state | |
| 284 * | |
| 285 * @exception DWTException <ul> | |
| 286 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 287 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 288 * </ul> | |
| 289 * | |
| 290 */ | |
| 291 public bool getAutoHide () { | |
| 292 checkWidget (); | |
| 293 return autohide; | |
| 294 } | |
| 295 | |
| 296 Point getSize (int maxWidth) { | |
| 297 int textWidth = 0, messageWidth = 0; | |
| 298 if (layoutText !is null) { | |
| 299 layoutText.setWidth (-1); | |
| 300 textWidth = layoutText.getBounds ().width; | |
| 301 } | |
| 302 if (layoutMessage !is null) { | |
| 303 layoutMessage.setWidth (-1); | |
| 304 messageWidth = layoutMessage.getBounds ().width; | |
| 305 } | |
| 306 int messageTrim = 2 * INSET + 2 * BORDER + 2 * PADDING; | |
| 307 bool hasImage = layoutText !is null && (style & DWT.BALLOON) !is 0 && (style & (DWT.ICON_ERROR | DWT.ICON_INFORMATION | DWT.ICON_WARNING)) !is 0; | |
| 308 int textTrim = messageTrim + (hasImage ? IMAGE_SIZE : 0); | |
| 309 int width = Math.min (maxWidth, Math.max (textWidth + textTrim, messageWidth + messageTrim)); | |
| 310 int textHeight = 0, messageHeight = 0; | |
| 311 if (layoutText !is null) { | |
| 312 layoutText.setWidth (maxWidth - textTrim); | |
| 313 textHeight = layoutText.getBounds ().height; | |
| 314 } | |
| 315 if (layoutMessage !is null) { | |
| 316 layoutMessage.setWidth (maxWidth - messageTrim); | |
| 317 messageHeight = layoutMessage.getBounds ().height; | |
| 318 } | |
| 319 int height = 2 * BORDER + 2 * PADDING + messageHeight; | |
| 320 if (layoutText !is null) height += Math.max (IMAGE_SIZE, textHeight) + 2 * PADDING; | |
| 321 return new Point (width, height); | |
| 322 } | |
| 323 | |
| 324 /** | |
| 325 * Returns the receiver's message, which will be an empty | |
| 326 * string if it has never been set. | |
| 327 * | |
| 328 * @return the receiver's message | |
| 329 * | |
| 330 * @exception DWTException <ul> | |
| 331 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 332 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 333 * </ul> | |
| 334 */ | |
| 335 public String getMessage () { | |
| 336 checkWidget (); | |
| 337 return layoutMessage !is null ? layoutMessage.getText() : ""; | |
| 338 } | |
| 339 | |
| 340 /** | |
| 341 * Returns the receiver's parent, which must be a <code>Shell</code>. | |
| 342 * | |
| 343 * @return the receiver's parent | |
| 344 * | |
| 345 * @exception DWTException <ul> | |
| 346 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 347 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 348 * </ul> | |
| 349 */ | |
| 350 public Shell getParent () { | |
| 351 checkWidget (); | |
| 352 return parent; | |
| 353 } | |
| 354 | |
| 355 /** | |
| 356 * Returns the receiver's text, which will be an empty | |
| 357 * string if it has never been set. | |
| 358 * | |
| 359 * @return the receiver's text | |
| 360 * | |
| 361 * @exception DWTException <ul> | |
| 362 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 363 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 364 * </ul> | |
| 365 */ | |
| 366 public String getText () { | |
| 367 checkWidget (); | |
| 368 return layoutText !is null ? layoutText.getText() : ""; | |
| 369 } | |
| 370 | |
| 371 /** | |
| 372 * Returns <code>true</code> if the receiver is visible, and | |
| 373 * <code>false</code> otherwise. | |
| 374 * <p> | |
| 375 * If one of the receiver's ancestors is not visible or some | |
| 376 * other condition makes the receiver not visible, this method | |
| 377 * may still indicate that it is considered visible even though | |
| 378 * it may not actually be showing. | |
| 379 * </p> | |
| 380 * | |
| 381 * @return the receiver's visibility state | |
| 382 * | |
| 383 * @exception DWTException <ul> | |
| 384 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 385 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 386 * </ul> | |
| 387 */ | |
| 388 public bool getVisible () { | |
| 389 checkWidget (); | |
| 390 return tip.getVisible (); | |
| 391 } | |
| 392 | |
| 393 /** | |
| 394 * Returns <code>true</code> if the receiver is visible and all | |
| 395 * of the receiver's ancestors are visible and <code>false</code> | |
| 396 * otherwise. | |
| 397 * | |
| 398 * @return the receiver's visibility state | |
| 399 * | |
| 400 * @exception DWTException <ul> | |
| 401 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 402 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 403 * </ul> | |
| 404 * | |
| 405 * @see #getVisible | |
| 406 */ | |
| 407 public bool isVisible () { | |
| 408 checkWidget (); | |
| 409 return getVisible (); | |
| 410 } | |
| 411 | |
| 412 void onDispose (Event event) { | |
| 413 removeListener (DWT.Dispose, listener); | |
| 414 notifyListeners (DWT.Dispose, event); | |
| 415 event.type = DWT.None; | |
| 416 | |
| 417 if (runnable !is null) { | |
|
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642f460a0908
Fixed a lot of compile errors, a "hello world" app compiles now
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
36
diff
changeset
|
418 Display display = getDisplay (); |
| 123 | 419 display.timerExec (-1, runnable); |
| 420 } | |
| 421 runnable = null; | |
| 422 tip.dispose (); | |
| 423 tip = null; | |
| 424 if (region !is null) region.dispose (); | |
| 425 region = null; | |
| 426 if (layoutText !is null) layoutText.dispose (); | |
| 427 layoutText = null; | |
| 428 if (layoutMessage !is null) layoutMessage.dispose (); | |
| 429 layoutMessage = null; | |
| 430 if (boldFont !is null) boldFont.dispose (); | |
| 431 boldFont = null; | |
| 432 borderPolygon = null; | |
| 433 } | |
| 434 | |
| 435 void onMouseDown (Event event) { | |
| 436 notifyListeners (DWT.Selection, new Event ()); | |
| 437 setVisible (false); | |
| 438 } | |
| 439 | |
| 440 void onPaint (Event event) { | |
| 441 GC gc = event.gc; | |
| 442 int x = BORDER + PADDING; | |
| 443 int y = BORDER + PADDING; | |
| 444 if ((style & DWT.BALLOON) !is 0) { | |
| 445 if (spikeAbove) y += TIP_HEIGHT; | |
| 446 gc.drawPolygon (borderPolygon); | |
| 447 } else { | |
| 448 Rectangle rect = tip.getClientArea (); | |
| 449 gc.drawRectangle(rect.x, rect.y, rect.width - 1, rect.height -1); | |
| 450 } | |
| 451 if (layoutText !is null) { | |
| 452 int id = style & (DWT.ICON_ERROR | DWT.ICON_INFORMATION | DWT.ICON_WARNING); | |
| 453 if ((style & DWT.BALLOON) !is 0 && id !is 0) { | |
| 454 Display display = getDisplay (); | |
| 455 Image image = display.getSystemImage (id); | |
| 456 Rectangle rect = image.getBounds (); | |
| 457 gc.drawImage (image, 0, 0, rect.width, rect.height, x, y, IMAGE_SIZE, IMAGE_SIZE); | |
| 458 x += IMAGE_SIZE; | |
| 459 } | |
| 460 x += INSET; | |
| 461 layoutText.draw (gc, x, y); | |
| 462 y += 2 * PADDING + Math.max (IMAGE_SIZE, layoutText.getBounds ().height); | |
| 463 } | |
| 464 if (layoutMessage !is null) { | |
| 465 x = BORDER + PADDING + INSET; | |
| 466 layoutMessage.draw (gc, x, y); | |
| 467 } | |
| 468 } | |
| 469 | |
| 470 /** | |
| 471 * Removes the listener from the collection of listeners who will | |
| 472 * be notified when the receiver is selected by the user. | |
| 473 * | |
| 474 * @param listener the listener which should no longer be notified | |
| 475 * | |
| 476 * @exception IllegalArgumentException <ul> | |
| 477 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 478 * </ul> | |
| 479 * @exception DWTException <ul> | |
| 480 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 481 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 482 * </ul> | |
| 483 * | |
| 484 * @see SelectionListener | |
| 485 * @see #addSelectionListener | |
| 486 */ | |
| 487 public void removeSelectionListener (SelectionListener listener) { | |
| 488 checkWidget(); | |
| 489 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 490 if (eventTable is null) return; | |
| 491 eventTable.unhook (DWT.Selection, listener); | |
| 492 eventTable.unhook (DWT.DefaultSelection,listener); | |
| 493 } | |
| 494 | |
| 495 /** | |
| 496 * Makes the receiver hide automatically when <code>true</code>, | |
| 497 * and remain visible when <code>false</code>. | |
| 498 * | |
| 499 * @param autoHide the auto hide state | |
| 500 * | |
| 501 * @exception DWTException <ul> | |
| 502 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 503 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 504 * </ul> | |
| 505 * | |
| 506 * @see #getVisible | |
| 507 * @see #setVisible | |
| 508 */ | |
| 509 public void setAutoHide (bool autohide) { | |
| 510 checkWidget (); | |
| 511 this.autohide = autohide; | |
| 512 //TODO - update when visible | |
| 513 } | |
| 514 | |
| 515 /** | |
| 516 * Sets the location of the receiver, which must be a tooltip, | |
| 517 * to the point specified by the arguments which are relative | |
| 518 * to the display. | |
| 519 * <p> | |
| 520 * Note that this is different from most widgets where the | |
| 521 * location of the widget is relative to the parent. | |
| 522 * </p> | |
| 523 * | |
| 524 * @param x the new x coordinate for the receiver | |
| 525 * @param y the new y coordinate for the receiver | |
| 526 * | |
| 527 * @exception DWTException <ul> | |
| 528 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 529 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 530 * </ul> | |
| 531 */ | |
| 532 public void setLocation (int x, int y) { | |
| 533 checkWidget (); | |
| 534 if (this.x is x && this.y is y) return; | |
| 535 this.x = x; | |
| 536 this.y = y; | |
| 537 if (tip.getVisible ()) configure (); | |
| 538 } | |
| 539 | |
| 540 /** | |
| 541 * Sets the location of the receiver, which must be a tooltip, | |
| 542 * to the point specified by the argument which is relative | |
| 543 * to the display. | |
| 544 * <p> | |
| 545 * Note that this is different from most widgets where the | |
| 546 * location of the widget is relative to the parent. | |
| 547 * </p><p> | |
| 548 * Note that the platform window manager ultimately has control | |
| 549 * over the location of tooltips. | |
| 550 * </p> | |
| 551 * | |
| 552 * @param location the new location for the receiver | |
| 553 * | |
| 554 * @exception IllegalArgumentException <ul> | |
| 555 * <li>ERROR_NULL_ARGUMENT - if the point is null</li> | |
| 556 * </ul> | |
| 557 * @exception DWTException <ul> | |
| 558 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 559 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 560 * </ul> | |
| 561 */ | |
| 562 public void setLocation (Point location) { | |
| 563 checkWidget (); | |
| 564 if (location is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); | |
| 565 setLocation (location.x, location.y); | |
| 566 } | |
| 567 | |
| 568 /** | |
| 569 * Sets the receiver's message. | |
| 570 * | |
| 571 * @param string the new message | |
| 572 * | |
| 573 * @exception IllegalArgumentException <ul> | |
| 574 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> | |
| 575 * </ul> | |
| 576 * @exception DWTException <ul> | |
| 577 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 578 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 579 * </ul> | |
| 580 */ | |
| 581 public void setMessage (String string) { | |
| 582 checkWidget (); | |
| 583 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 584 if (layoutMessage !is null) layoutMessage.dispose(); | |
| 585 layoutMessage = null; | |
| 586 if (string.length () !is 0) { | |
| 587 Display display = getDisplay (); | |
| 588 layoutMessage = new TextLayout (display); | |
| 589 layoutMessage.setText (string); | |
| 590 } | |
| 591 if (tip.getVisible ()) configure (); | |
| 592 } | |
| 593 | |
| 594 /** | |
| 595 * Sets the receiver's text. | |
| 596 * | |
| 597 * @param string the new text | |
| 598 * | |
| 599 * @exception IllegalArgumentException <ul> | |
| 600 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> | |
| 601 * </ul> | |
| 602 * @exception DWTException <ul> | |
| 603 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 604 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 605 * </ul> | |
| 606 */ | |
| 607 public void setText (String string) { | |
| 608 checkWidget (); | |
| 609 //if (string is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 610 if (layoutText !is null) layoutText.dispose (); | |
| 611 layoutText = null; | |
| 612 if (boldFont !is null) boldFont.dispose (); | |
| 613 boldFont = null; | |
| 614 if (string.length () !is 0) { | |
| 615 Display display = getDisplay (); | |
| 616 layoutText = new TextLayout (display); | |
| 617 layoutText.setText (string); | |
| 618 Font font = display.getSystemFont (); | |
| 619 FontData data = font.getFontData () [0]; | |
| 620 boldFont = new Font (cast(Device) display, data.getName (), data.getHeight (), DWT.BOLD); | |
| 621 TextStyle style = new TextStyle (boldFont, null, null); | |
| 622 layoutText.setStyle (style, 0, string.length ()); | |
| 623 } | |
| 624 if (tip.getVisible ()) configure (); | |
| 625 } | |
| 626 | |
| 627 /** | |
| 628 * Marks the receiver as visible if the argument is <code>true</code>, | |
| 629 * and marks it invisible otherwise. | |
| 630 * <p> | |
| 631 * If one of the receiver's ancestors is not visible or some | |
| 632 * other condition makes the receiver not visible, marking | |
| 633 * it visible may not actually cause it to be displayed. | |
| 634 * </p> | |
| 635 * | |
| 636 * @param visible the new visibility state | |
| 637 * | |
| 638 * @exception DWTException <ul> | |
| 639 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 640 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 641 * </ul> | |
| 642 */ | |
| 643 public void setVisible (bool visible) { | |
| 644 if (visible) configure (); | |
| 645 tip.setVisible (visible); | |
| 646 Display display = getDisplay (); | |
| 647 if (runnable !is null) display.timerExec (-1, runnable); | |
| 648 runnable = null; | |
| 649 if (autohide && visible) { | |
| 650 runnable = new class Runnable { | |
| 651 public void run () { | |
| 652 if (!isDisposed ()) setVisible (false); | |
|
0
380af2bdd8e5
Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
653 } |
|
37
642f460a0908
Fixed a lot of compile errors, a "hello world" app compiles now
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
36
diff
changeset
|
654 }; |
| 123 | 655 display.timerExec(DELAY, runnable); |
|
37
642f460a0908
Fixed a lot of compile errors, a "hello world" app compiles now
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
36
diff
changeset
|
656 } |
| 123 | 657 } |
| 658 | |
| 659 } |