Mercurial > projects > dwt-linux
annotate dwt/widgets/TabItem.d @ 240:ce446666f5a2
Update to SWT 3.4M7
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 12 May 2008 19:13:01 +0200 |
| parents | 380bad9f6852 |
| children | 34409a2fc053 |
| rev | line source |
|---|---|
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1 /******************************************************************************* |
| 87 | 2 * Copyright (c) 2000, 2007 IBM Corporation and others. |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 108 | 10 * Port to the D programming language: |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 87 | 12 *******************************************************************************/ |
| 13 module dwt.widgets.TabItem; | |
| 14 | |
| 238 | 15 import dwt.dwthelper.utils; |
| 16 | |
| 87 | 17 |
| 18 | |
| 19 import dwt.DWT; | |
| 20 import dwt.DWTException; | |
| 21 import dwt.graphics.Image; | |
| 240 | 22 import dwt.graphics.Rectangle; |
| 87 | 23 import dwt.internal.gtk.OS; |
| 24 import dwt.widgets.Item; | |
| 25 import dwt.widgets.Control; | |
| 26 import dwt.widgets.TabFolder; | |
| 27 import dwt.widgets.ImageList; | |
| 28 | |
| 29 static import tango.stdc.stringz; | |
| 30 | |
| 31 /** | |
| 32 * Instances of this class represent a selectable user interface object | |
| 33 * corresponding to a tab for a page in a tab folder. | |
| 34 * <dl> | |
| 35 * <dt><b>Styles:</b></dt> | |
| 36 * <dd>(none)</dd> | |
| 37 * <dt><b>Events:</b></dt> | |
| 38 * <dd>(none)</dd> | |
| 39 * </dl> | |
| 40 * <p> | |
| 41 * IMPORTANT: This class is <em>not</em> intended to be subclassed. | |
| 42 * </p> | |
| 43 */ | |
| 44 public class TabItem : Item { | |
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45 |
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46 alias Item.setForegroundColor setForegroundColor; |
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47 |
| 87 | 48 GtkWidget* labelHandle, imageHandle, pageHandle; |
| 49 Control control; | |
| 50 TabFolder parent; | |
| 238 | 51 String toolTipText; |
| 87 | 52 |
| 53 /** | |
| 54 * Constructs a new instance of this class given its parent | |
| 55 * (which must be a <code>TabFolder</code>) and a style value | |
| 56 * describing its behavior and appearance. The item is added | |
| 57 * to the end of the items maintained by its parent. | |
| 58 * <p> | |
| 59 * The style value is either one of the style constants defined in | |
| 60 * class <code>DWT</code> which is applicable to instances of this | |
| 61 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 62 * (that is, using the <code>int</code> "|" operator) two or more | |
| 63 * of those <code>DWT</code> style constants. The class description | |
| 64 * lists the style constants that are applicable to the class. | |
| 65 * Style bits are also inherited from superclasses. | |
| 66 * </p> | |
| 67 * | |
| 68 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 69 * @param style the style of control to construct | |
| 70 * | |
| 71 * @exception IllegalArgumentException <ul> | |
| 72 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 73 * </ul> | |
| 74 * @exception DWTException <ul> | |
| 75 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 76 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 77 * </ul> | |
| 78 * | |
| 79 * @see DWT | |
| 80 * @see Widget#checkSubclass | |
| 81 * @see Widget#getStyle | |
| 82 */ | |
| 83 public this (TabFolder parent, int style) { | |
| 84 super (parent, style); | |
| 85 this.parent = parent; | |
| 86 createWidget (parent.getItemCount ()); | |
| 87 } | |
| 88 | |
| 89 /** | |
| 90 * Constructs a new instance of this class given its parent | |
| 91 * (which must be a <code>TabFolder</code>), a style value | |
| 92 * describing its behavior and appearance, and the index | |
| 93 * at which to place it in the items maintained by its parent. | |
| 94 * <p> | |
| 95 * The style value is either one of the style constants defined in | |
| 96 * class <code>DWT</code> which is applicable to instances of this | |
| 97 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 98 * (that is, using the <code>int</code> "|" operator) two or more | |
| 99 * of those <code>DWT</code> style constants. The class description | |
| 100 * lists the style constants that are applicable to the class. | |
| 101 * Style bits are also inherited from superclasses. | |
| 102 * </p> | |
| 103 * | |
| 104 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 105 * @param style the style of control to construct | |
| 106 * @param index the zero-relative index to store the receiver in its parent | |
| 107 * | |
| 108 * @exception IllegalArgumentException <ul> | |
| 109 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 110 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> | |
| 111 * </ul> | |
| 112 * @exception DWTException <ul> | |
| 113 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 114 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 115 * </ul> | |
| 116 * | |
| 117 * @see DWT | |
| 118 * @see Widget#checkSubclass | |
| 119 * @see Widget#getStyle | |
| 120 */ | |
| 121 public this (TabFolder parent, int style, int index) { | |
| 122 super (parent, style); | |
| 123 this.parent = parent; | |
| 124 createWidget (index); | |
| 125 } | |
| 126 | |
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127 protected override void checkSubclass () { |
| 87 | 128 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
| 129 } | |
| 130 | |
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131 override void createWidget (int index) { |
| 87 | 132 parent.createItem (this, index); |
| 133 setOrientation (); | |
| 134 hookEvents (); | |
| 135 register (); | |
| 136 text = ""; | |
| 137 } | |
| 138 | |
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139 override void deregister() { |
| 87 | 140 super.deregister (); |
| 141 if (labelHandle !is null) display.removeWidget (labelHandle); | |
| 142 } | |
| 143 | |
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144 override void destroyWidget () { |
| 87 | 145 parent.destroyItem (this); |
| 146 releaseHandle (); | |
| 147 } | |
| 148 | |
| 240 | 149 public Rectangle getBounds () { |
| 150 checkWidget(); | |
| 151 int x = OS.GTK_WIDGET_X (handle); | |
| 152 int y = OS.GTK_WIDGET_Y (handle); | |
| 153 int width = (state & ZERO_WIDTH) !is 0 ? 0 : OS.GTK_WIDGET_WIDTH (handle); | |
| 154 int height = (state & ZERO_HEIGHT) !is 0 ? 0 : OS.GTK_WIDGET_HEIGHT (handle); | |
| 155 if ((parent.style & DWT.MIRRORED) !is 0) x = parent.getClientWidth () - width - x; | |
| 156 return new Rectangle (x, y, width, height); | |
| 157 } | |
| 158 | |
| 87 | 159 /** |
| 160 * Returns the control that is used to fill the client area of | |
| 161 * the tab folder when the user selects the tab item. If no | |
| 162 * control has been set, return <code>null</code>. | |
| 163 * <p> | |
| 164 * @return the control | |
| 165 * | |
| 166 * @exception DWTException <ul> | |
| 167 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 168 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 169 * </ul> | |
| 170 */ | |
| 171 public Control getControl () { | |
| 172 checkWidget (); | |
| 173 return control; | |
| 174 } | |
| 175 | |
| 176 /** | |
| 177 * Returns the receiver's parent, which must be a <code>TabFolder</code>. | |
| 178 * | |
| 179 * @return the receiver's parent | |
| 180 * | |
| 181 * @exception DWTException <ul> | |
| 182 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 183 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 184 * </ul> | |
| 185 */ | |
| 186 public TabFolder getParent () { | |
| 187 checkWidget (); | |
| 188 return parent; | |
| 189 } | |
| 190 | |
| 191 /** | |
| 192 * Returns the receiver's tool tip text, or null if it has | |
| 193 * not been set. | |
| 194 * | |
| 195 * @return the receiver's tool tip text | |
| 196 * | |
| 197 * @exception DWTException <ul> | |
| 198 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 199 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 200 * </ul> | |
| 201 */ | |
| 238 | 202 public String getToolTipText () { |
| 87 | 203 checkWidget (); |
| 204 return toolTipText; | |
| 205 } | |
| 206 | |
| 207 override int gtk_enter_notify_event (GtkWidget* widget, GdkEventCrossing* event) { | |
| 208 parent.gtk_enter_notify_event (widget, event); | |
| 209 return 0; | |
| 210 } | |
| 211 | |
| 212 override int gtk_mnemonic_activate (GtkWidget* widget, int /*long*/ arg1) { | |
| 213 return parent.gtk_mnemonic_activate (widget, arg1); | |
| 214 } | |
| 215 | |
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216 override void hookEvents () { |
| 87 | 217 super.hookEvents (); |
| 218 if (labelHandle !is null) OS.g_signal_connect_closure_by_id (labelHandle, display.signalIds [MNEMONIC_ACTIVATE], 0, display.closures [MNEMONIC_ACTIVATE], false); | |
| 219 OS.g_signal_connect_closure_by_id (handle, display.signalIds [ENTER_NOTIFY_EVENT], 0, display.closures [ENTER_NOTIFY_EVENT], false); | |
| 220 } | |
| 221 | |
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222 override void register () { |
| 87 | 223 super.register (); |
| 224 if (labelHandle !is null) display.addWidget (labelHandle, this); | |
| 225 } | |
| 226 | |
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227 override void releaseHandle () { |
| 87 | 228 super.releaseHandle (); |
| 229 pageHandle = labelHandle = imageHandle = null; | |
| 230 parent = null; | |
| 231 } | |
| 232 | |
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233 override void releaseParent () { |
| 87 | 234 super.releaseParent (); |
| 235 int index = parent.indexOf (this); | |
| 236 if (index is parent.getSelectionIndex ()) { | |
| 237 if (control !is null) control.setVisible (false); | |
| 238 } | |
| 239 } | |
| 240 | |
| 241 /** | |
| 242 * Sets the control that is used to fill the client area of | |
| 243 * the tab folder when the user selects the tab item. | |
| 244 * <p> | |
| 245 * @param control the new control (or null) | |
| 246 * | |
| 247 * @exception IllegalArgumentException <ul> | |
| 248 * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> | |
| 249 * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> | |
| 250 * </ul> | |
| 251 * @exception DWTException <ul> | |
| 252 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 253 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 254 * </ul> | |
| 255 */ | |
| 256 public void setControl (Control control) { | |
| 257 checkWidget (); | |
| 258 if (control !is null) { | |
| 259 if (control.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); | |
| 260 if (control.parent !is parent) error (DWT.ERROR_INVALID_PARENT); | |
| 261 } | |
| 262 Control oldControl = this.control, newControl = control; | |
| 263 this.control = control; | |
| 264 int index = parent.indexOf (this); | |
| 265 if (index !is parent.getSelectionIndex ()) { | |
| 266 if (newControl !is null) newControl.setVisible (false); | |
| 267 return; | |
| 268 } | |
| 269 if (newControl !is null) { | |
| 270 newControl.setBounds (parent.getClientArea ()); | |
| 271 newControl.setVisible (true); | |
| 272 } | |
| 273 if (oldControl !is null) oldControl.setVisible (false); | |
| 274 } | |
| 275 | |
| 276 void setFontDescription (PangoFontDescription* font) { | |
| 277 OS.gtk_widget_modify_font (labelHandle, font); | |
| 278 OS.gtk_widget_modify_font (imageHandle, font); | |
| 279 } | |
| 280 | |
| 281 void setForegroundColor (GdkColor* color) { | |
| 282 /* Don't set the color in vbox handle (it doesn't draw) */ | |
| 283 setForegroundColor (labelHandle, color); | |
| 284 setForegroundColor (imageHandle, color); | |
| 285 } | |
| 286 | |
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287 public override void setImage (Image image) { |
| 87 | 288 checkWidget (); |
| 289 super.setImage (image); | |
| 290 if (image !is null) { | |
| 291 ImageList imageList = parent.imageList; | |
| 292 if (imageList is null) imageList = parent.imageList = new ImageList (); | |
| 293 int imageIndex = imageList.indexOf (image); | |
| 294 if (imageIndex is -1) { | |
| 295 imageIndex = imageList.add (image); | |
| 296 } else { | |
| 297 imageList.put (imageIndex, image); | |
| 298 } | |
| 299 auto pixbuf = imageList.getPixbuf (imageIndex); | |
| 300 OS.gtk_image_set_from_pixbuf (imageHandle, pixbuf); | |
| 301 OS.gtk_widget_show (imageHandle); | |
| 302 } else { | |
| 303 OS.gtk_image_set_from_pixbuf (imageHandle, null); | |
| 304 OS.gtk_widget_hide (imageHandle); | |
| 305 } | |
| 306 } | |
| 307 | |
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308 override void setOrientation () { |
| 87 | 309 if ((parent.style & DWT.RIGHT_TO_LEFT) !is 0) { |
| 310 if (handle !is null) OS.gtk_widget_set_direction (handle, OS.GTK_TEXT_DIR_RTL); | |
| 311 if (labelHandle !is null) OS.gtk_widget_set_direction (labelHandle, OS.GTK_TEXT_DIR_RTL); | |
| 312 if (imageHandle !is null) OS.gtk_widget_set_direction (imageHandle, OS.GTK_TEXT_DIR_RTL); | |
| 313 if (pageHandle !is null) OS.gtk_widget_set_direction (pageHandle, OS.GTK_TEXT_DIR_RTL); | |
| 314 } | |
| 315 } | |
| 316 | |
| 317 /** | |
| 318 * Sets the receiver's text. The string may include | |
| 319 * the mnemonic character. | |
| 320 * </p> | |
| 321 * <p> | |
| 322 * Mnemonics are indicated by an '&' that causes the next | |
| 323 * character to be the mnemonic. When the user presses a | |
| 324 * key sequence that matches the mnemonic, a selection | |
| 325 * event occurs. On most platforms, the mnemonic appears | |
| 326 * underlined but may be emphasised in a platform specific | |
| 327 * manner. The mnemonic indicator character '&' can be | |
| 328 * escaped by doubling it in the string, causing a single | |
| 329 * '&' to be displayed. | |
| 330 * </p> | |
| 331 * | |
| 332 * @param string the new text | |
| 333 * | |
| 334 * @exception IllegalArgumentException <ul> | |
| 335 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> | |
| 336 * </ul> | |
| 337 * @exception DWTException <ul> | |
| 338 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 339 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 340 * </ul> | |
| 341 * | |
| 342 */ | |
| 238 | 343 public override void setText (String string) { |
| 87 | 344 checkWidget (); |
| 345 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 346 super.setText (string); | |
| 347 char [] chars = fixMnemonic (string); | |
| 348 char* buffer = tango.stdc.stringz.toStringz( chars); | |
| 349 OS.gtk_label_set_text_with_mnemonic (labelHandle, buffer); | |
| 350 if (string.length !is 0) { | |
| 351 OS.gtk_widget_show (labelHandle); | |
| 352 } else { | |
| 353 OS.gtk_widget_hide (labelHandle); | |
| 354 } | |
| 355 } | |
| 356 | |
| 357 /** | |
| 358 * Sets the receiver's tool tip text to the argument, which | |
| 359 * may be null indicating that no tool tip text should be shown. | |
| 360 * | |
| 361 * @param string the new tool tip text (or null) | |
| 362 * | |
| 363 * @exception DWTException <ul> | |
| 364 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 365 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 366 * </ul> | |
| 367 */ | |
| 238 | 368 public void setToolTipText (String string) { |
| 87 | 369 checkWidget (); |
| 370 toolTipText = string; | |
| 371 } | |
| 372 | |
| 373 } |