Mercurial > projects > dwt-linux
annotate dwt/widgets/TabItem.d @ 238:380bad9f6852
reverted char[] to String
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 05 May 2008 00:42:55 +0200 |
| parents | 17f8449522fd |
| children | ce446666f5a2 |
| 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; | |
| 22 import dwt.internal.gtk.OS; | |
| 23 import dwt.widgets.Item; | |
| 24 import dwt.widgets.Control; | |
| 25 import dwt.widgets.TabFolder; | |
| 26 import dwt.widgets.ImageList; | |
| 27 | |
| 28 static import tango.stdc.stringz; | |
| 29 | |
| 30 /** | |
| 31 * Instances of this class represent a selectable user interface object | |
| 32 * corresponding to a tab for a page in a tab folder. | |
| 33 * <dl> | |
| 34 * <dt><b>Styles:</b></dt> | |
| 35 * <dd>(none)</dd> | |
| 36 * <dt><b>Events:</b></dt> | |
| 37 * <dd>(none)</dd> | |
| 38 * </dl> | |
| 39 * <p> | |
| 40 * IMPORTANT: This class is <em>not</em> intended to be subclassed. | |
| 41 * </p> | |
| 42 */ | |
| 43 public class TabItem : Item { | |
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44 |
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45 alias Item.setForegroundColor setForegroundColor; |
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46 |
| 87 | 47 GtkWidget* labelHandle, imageHandle, pageHandle; |
| 48 Control control; | |
| 49 TabFolder parent; | |
| 238 | 50 String toolTipText; |
| 87 | 51 |
| 52 /** | |
| 53 * Constructs a new instance of this class given its parent | |
| 54 * (which must be a <code>TabFolder</code>) and a style value | |
| 55 * describing its behavior and appearance. The item is added | |
| 56 * to the end of the items maintained by its parent. | |
| 57 * <p> | |
| 58 * The style value is either one of the style constants defined in | |
| 59 * class <code>DWT</code> which is applicable to instances of this | |
| 60 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 61 * (that is, using the <code>int</code> "|" operator) two or more | |
| 62 * of those <code>DWT</code> style constants. The class description | |
| 63 * lists the style constants that are applicable to the class. | |
| 64 * Style bits are also inherited from superclasses. | |
| 65 * </p> | |
| 66 * | |
| 67 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 68 * @param style the style of control to construct | |
| 69 * | |
| 70 * @exception IllegalArgumentException <ul> | |
| 71 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 72 * </ul> | |
| 73 * @exception DWTException <ul> | |
| 74 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 75 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 76 * </ul> | |
| 77 * | |
| 78 * @see DWT | |
| 79 * @see Widget#checkSubclass | |
| 80 * @see Widget#getStyle | |
| 81 */ | |
| 82 public this (TabFolder parent, int style) { | |
| 83 super (parent, style); | |
| 84 this.parent = parent; | |
| 85 createWidget (parent.getItemCount ()); | |
| 86 } | |
| 87 | |
| 88 /** | |
| 89 * Constructs a new instance of this class given its parent | |
| 90 * (which must be a <code>TabFolder</code>), a style value | |
| 91 * describing its behavior and appearance, and the index | |
| 92 * at which to place it in the items maintained by its parent. | |
| 93 * <p> | |
| 94 * The style value is either one of the style constants defined in | |
| 95 * class <code>DWT</code> which is applicable to instances of this | |
| 96 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 97 * (that is, using the <code>int</code> "|" operator) two or more | |
| 98 * of those <code>DWT</code> style constants. The class description | |
| 99 * lists the style constants that are applicable to the class. | |
| 100 * Style bits are also inherited from superclasses. | |
| 101 * </p> | |
| 102 * | |
| 103 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 104 * @param style the style of control to construct | |
| 105 * @param index the zero-relative index to store the receiver in its parent | |
| 106 * | |
| 107 * @exception IllegalArgumentException <ul> | |
| 108 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 109 * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> | |
| 110 * </ul> | |
| 111 * @exception DWTException <ul> | |
| 112 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 113 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 114 * </ul> | |
| 115 * | |
| 116 * @see DWT | |
| 117 * @see Widget#checkSubclass | |
| 118 * @see Widget#getStyle | |
| 119 */ | |
| 120 public this (TabFolder parent, int style, int index) { | |
| 121 super (parent, style); | |
| 122 this.parent = parent; | |
| 123 createWidget (index); | |
| 124 } | |
| 125 | |
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126 protected override void checkSubclass () { |
| 87 | 127 if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); |
| 128 } | |
| 129 | |
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130 override void createWidget (int index) { |
| 87 | 131 parent.createItem (this, index); |
| 132 setOrientation (); | |
| 133 hookEvents (); | |
| 134 register (); | |
| 135 text = ""; | |
| 136 } | |
| 137 | |
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138 override void deregister() { |
| 87 | 139 super.deregister (); |
| 140 if (labelHandle !is null) display.removeWidget (labelHandle); | |
| 141 } | |
| 142 | |
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143 override void destroyWidget () { |
| 87 | 144 parent.destroyItem (this); |
| 145 releaseHandle (); | |
| 146 } | |
| 147 | |
| 148 /** | |
| 149 * Returns the control that is used to fill the client area of | |
| 150 * the tab folder when the user selects the tab item. If no | |
| 151 * control has been set, return <code>null</code>. | |
| 152 * <p> | |
| 153 * @return the control | |
| 154 * | |
| 155 * @exception DWTException <ul> | |
| 156 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 157 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 158 * </ul> | |
| 159 */ | |
| 160 public Control getControl () { | |
| 161 checkWidget (); | |
| 162 return control; | |
| 163 } | |
| 164 | |
| 165 /** | |
| 166 * Returns the receiver's parent, which must be a <code>TabFolder</code>. | |
| 167 * | |
| 168 * @return the receiver's parent | |
| 169 * | |
| 170 * @exception DWTException <ul> | |
| 171 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 172 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 173 * </ul> | |
| 174 */ | |
| 175 public TabFolder getParent () { | |
| 176 checkWidget (); | |
| 177 return parent; | |
| 178 } | |
| 179 | |
| 180 /** | |
| 181 * Returns the receiver's tool tip text, or null if it has | |
| 182 * not been set. | |
| 183 * | |
| 184 * @return the receiver's tool tip text | |
| 185 * | |
| 186 * @exception DWTException <ul> | |
| 187 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 188 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 189 * </ul> | |
| 190 */ | |
| 238 | 191 public String getToolTipText () { |
| 87 | 192 checkWidget (); |
| 193 return toolTipText; | |
| 194 } | |
| 195 | |
| 196 override int gtk_enter_notify_event (GtkWidget* widget, GdkEventCrossing* event) { | |
| 197 parent.gtk_enter_notify_event (widget, event); | |
| 198 return 0; | |
| 199 } | |
| 200 | |
| 201 override int gtk_mnemonic_activate (GtkWidget* widget, int /*long*/ arg1) { | |
| 202 return parent.gtk_mnemonic_activate (widget, arg1); | |
| 203 } | |
| 204 | |
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205 override void hookEvents () { |
| 87 | 206 super.hookEvents (); |
| 207 if (labelHandle !is null) OS.g_signal_connect_closure_by_id (labelHandle, display.signalIds [MNEMONIC_ACTIVATE], 0, display.closures [MNEMONIC_ACTIVATE], false); | |
| 208 OS.g_signal_connect_closure_by_id (handle, display.signalIds [ENTER_NOTIFY_EVENT], 0, display.closures [ENTER_NOTIFY_EVENT], false); | |
| 209 } | |
| 210 | |
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211 override void register () { |
| 87 | 212 super.register (); |
| 213 if (labelHandle !is null) display.addWidget (labelHandle, this); | |
| 214 } | |
| 215 | |
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216 override void releaseHandle () { |
| 87 | 217 super.releaseHandle (); |
| 218 pageHandle = labelHandle = imageHandle = null; | |
| 219 parent = null; | |
| 220 } | |
| 221 | |
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222 override void releaseParent () { |
| 87 | 223 super.releaseParent (); |
| 224 int index = parent.indexOf (this); | |
| 225 if (index is parent.getSelectionIndex ()) { | |
| 226 if (control !is null) control.setVisible (false); | |
| 227 } | |
| 228 } | |
| 229 | |
| 230 /** | |
| 231 * Sets the control that is used to fill the client area of | |
| 232 * the tab folder when the user selects the tab item. | |
| 233 * <p> | |
| 234 * @param control the new control (or null) | |
| 235 * | |
| 236 * @exception IllegalArgumentException <ul> | |
| 237 * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> | |
| 238 * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> | |
| 239 * </ul> | |
| 240 * @exception DWTException <ul> | |
| 241 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 242 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 243 * </ul> | |
| 244 */ | |
| 245 public void setControl (Control control) { | |
| 246 checkWidget (); | |
| 247 if (control !is null) { | |
| 248 if (control.isDisposed ()) error (DWT.ERROR_INVALID_ARGUMENT); | |
| 249 if (control.parent !is parent) error (DWT.ERROR_INVALID_PARENT); | |
| 250 } | |
| 251 Control oldControl = this.control, newControl = control; | |
| 252 this.control = control; | |
| 253 int index = parent.indexOf (this); | |
| 254 if (index !is parent.getSelectionIndex ()) { | |
| 255 if (newControl !is null) newControl.setVisible (false); | |
| 256 return; | |
| 257 } | |
| 258 if (newControl !is null) { | |
| 259 newControl.setBounds (parent.getClientArea ()); | |
| 260 newControl.setVisible (true); | |
| 261 } | |
| 262 if (oldControl !is null) oldControl.setVisible (false); | |
| 263 } | |
| 264 | |
| 265 void setFontDescription (PangoFontDescription* font) { | |
| 266 OS.gtk_widget_modify_font (labelHandle, font); | |
| 267 OS.gtk_widget_modify_font (imageHandle, font); | |
| 268 } | |
| 269 | |
| 270 void setForegroundColor (GdkColor* color) { | |
| 271 /* Don't set the color in vbox handle (it doesn't draw) */ | |
| 272 setForegroundColor (labelHandle, color); | |
| 273 setForegroundColor (imageHandle, color); | |
| 274 } | |
| 275 | |
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276 public override void setImage (Image image) { |
| 87 | 277 checkWidget (); |
| 278 super.setImage (image); | |
| 279 if (image !is null) { | |
| 280 ImageList imageList = parent.imageList; | |
| 281 if (imageList is null) imageList = parent.imageList = new ImageList (); | |
| 282 int imageIndex = imageList.indexOf (image); | |
| 283 if (imageIndex is -1) { | |
| 284 imageIndex = imageList.add (image); | |
| 285 } else { | |
| 286 imageList.put (imageIndex, image); | |
| 287 } | |
| 288 auto pixbuf = imageList.getPixbuf (imageIndex); | |
| 289 OS.gtk_image_set_from_pixbuf (imageHandle, pixbuf); | |
| 290 OS.gtk_widget_show (imageHandle); | |
| 291 } else { | |
| 292 OS.gtk_image_set_from_pixbuf (imageHandle, null); | |
| 293 OS.gtk_widget_hide (imageHandle); | |
| 294 } | |
| 295 } | |
| 296 | |
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297 override void setOrientation () { |
| 87 | 298 if ((parent.style & DWT.RIGHT_TO_LEFT) !is 0) { |
| 299 if (handle !is null) OS.gtk_widget_set_direction (handle, OS.GTK_TEXT_DIR_RTL); | |
| 300 if (labelHandle !is null) OS.gtk_widget_set_direction (labelHandle, OS.GTK_TEXT_DIR_RTL); | |
| 301 if (imageHandle !is null) OS.gtk_widget_set_direction (imageHandle, OS.GTK_TEXT_DIR_RTL); | |
| 302 if (pageHandle !is null) OS.gtk_widget_set_direction (pageHandle, OS.GTK_TEXT_DIR_RTL); | |
| 303 } | |
| 304 } | |
| 305 | |
| 306 /** | |
| 307 * Sets the receiver's text. The string may include | |
| 308 * the mnemonic character. | |
| 309 * </p> | |
| 310 * <p> | |
| 311 * Mnemonics are indicated by an '&' that causes the next | |
| 312 * character to be the mnemonic. When the user presses a | |
| 313 * key sequence that matches the mnemonic, a selection | |
| 314 * event occurs. On most platforms, the mnemonic appears | |
| 315 * underlined but may be emphasised in a platform specific | |
| 316 * manner. The mnemonic indicator character '&' can be | |
| 317 * escaped by doubling it in the string, causing a single | |
| 318 * '&' to be displayed. | |
| 319 * </p> | |
| 320 * | |
| 321 * @param string the new text | |
| 322 * | |
| 323 * @exception IllegalArgumentException <ul> | |
| 324 * <li>ERROR_NULL_ARGUMENT - if the text is null</li> | |
| 325 * </ul> | |
| 326 * @exception DWTException <ul> | |
| 327 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 328 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 329 * </ul> | |
| 330 * | |
| 331 */ | |
| 238 | 332 public override void setText (String string) { |
| 87 | 333 checkWidget (); |
| 334 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); | |
| 335 super.setText (string); | |
| 336 char [] chars = fixMnemonic (string); | |
| 337 char* buffer = tango.stdc.stringz.toStringz( chars); | |
| 338 OS.gtk_label_set_text_with_mnemonic (labelHandle, buffer); | |
| 339 if (string.length !is 0) { | |
| 340 OS.gtk_widget_show (labelHandle); | |
| 341 } else { | |
| 342 OS.gtk_widget_hide (labelHandle); | |
| 343 } | |
| 344 } | |
| 345 | |
| 346 /** | |
| 347 * Sets the receiver's tool tip text to the argument, which | |
| 348 * may be null indicating that no tool tip text should be shown. | |
| 349 * | |
| 350 * @param string the new tool tip text (or null) | |
| 351 * | |
| 352 * @exception DWTException <ul> | |
| 353 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 354 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 355 * </ul> | |
| 356 */ | |
| 238 | 357 public void setToolTipText (String string) { |
| 87 | 358 checkWidget (); |
| 359 toolTipText = string; | |
| 360 } | |
| 361 | |
| 362 } |