Mercurial > projects > dwt-linux
annotate dwt/widgets/Button.d @ 259:c0d810de7093
Update SWT 3.4M7 to 3.4
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 29 Jun 2008 14:33:38 +0200 |
| parents | 5a30aa9820f3 |
| children | 4bffbf81e2d6 |
| rev | line source |
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| 72 | 1 /******************************************************************************* |
| 259 | 2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
| 37 | 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 | |
| 72 | 10 * Port to the D programming language: |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 37 | 12 *******************************************************************************/ |
| 13 module dwt.widgets.Button; | |
| 14 | |
| 238 | 15 import dwt.dwthelper.utils; |
| 16 | |
| 37 | 17 import dwt.widgets.Control; |
| 18 | |
| 44 | 19 import dwt.internal.gtk.OS; |
| 71 | 20 import dwt.DWT; |
| 44 | 21 import dwt.graphics.Point; |
| 22 import dwt.graphics.Image; | |
| 23 import dwt.widgets.ImageList; | |
| 24 import dwt.widgets.Composite; | |
| 25 import dwt.events.SelectionListener; | |
| 26 import dwt.widgets.TypedListener; | |
| 27 import dwt.widgets.Decorations; | |
| 37 | 28 |
| 60 | 29 import tango.io.Stdout; |
| 37 | 30 |
| 31 /** | |
| 32 * Instances of this class represent a selectable user interface object that | |
| 33 * issues notification when pressed and released. | |
| 34 * <dl> | |
| 35 * <dt><b>Styles:</b></dt> | |
| 36 * <dd>ARROW, CHECK, PUSH, RADIO, TOGGLE, FLAT</dd> | |
| 37 * <dd>UP, DOWN, LEFT, RIGHT, CENTER</dd> | |
| 38 * <dt><b>Events:</b></dt> | |
| 39 * <dd>Selection</dd> | |
| 40 * </dl> | |
| 41 * <p> | |
| 42 * Note: Only one of the styles ARROW, CHECK, PUSH, RADIO, and TOGGLE | |
| 43 * may be specified. | |
| 44 * </p><p> | |
| 45 * Note: Only one of the styles LEFT, RIGHT, and CENTER may be specified. | |
| 46 * </p><p> | |
| 47 * Note: Only one of the styles UP, DOWN, LEFT, and RIGHT may be specified | |
| 48 * when the ARROW style is specified. | |
| 49 * </p><p> | |
| 50 * IMPORTANT: This class is intended to be subclassed <em>only</em> | |
| 71 | 51 * within the DWT implementation. |
| 37 | 52 * </p> |
| 259 | 53 * |
| 54 * @see <a href="http://www.eclipse.org/swt/snippets/#button">Button snippets</a> | |
| 55 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample</a> | |
| 56 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
| 37 | 57 */ |
| 44 | 58 public class Button : Control { |
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59 |
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60 alias Control.computeSize computeSize; |
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61 alias Control.mnemonicHit mnemonicHit; |
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62 alias Control.mnemonicMatch mnemonicMatch; |
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63 alias Control.setBackgroundColor setBackgroundColor; |
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64 alias Control.setForegroundColor setForegroundColor; |
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65 |
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66 GtkWidget* boxHandle, labelHandle, imageHandle, arrowHandle, groupHandle; |
| 240 | 67 bool selected, grayed; |
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68 ImageList imageList; |
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69 Image image; |
| 238 | 70 String text; |
| 37 | 71 |
| 72 /** | |
| 73 * Constructs a new instance of this class given its parent | |
| 74 * and a style value describing its behavior and appearance. | |
| 75 * <p> | |
| 76 * The style value is either one of the style constants defined in | |
| 71 | 77 * class <code>DWT</code> which is applicable to instances of this |
| 37 | 78 * class, or must be built by <em>bitwise OR</em>'ing together |
| 79 * (that is, using the <code>int</code> "|" operator) two or more | |
| 71 | 80 * of those <code>DWT</code> style constants. The class description |
| 37 | 81 * lists the style constants that are applicable to the class. |
| 82 * Style bits are also inherited from superclasses. | |
| 83 * </p> | |
| 84 * | |
| 85 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 86 * @param style the style of control to construct | |
| 87 * | |
| 88 * @exception IllegalArgumentException <ul> | |
| 89 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 90 * </ul> | |
| 71 | 91 * @exception DWTException <ul> |
| 37 | 92 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| 93 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 94 * </ul> | |
| 95 * | |
| 71 | 96 * @see DWT#ARROW |
| 97 * @see DWT#CHECK | |
| 98 * @see DWT#PUSH | |
| 99 * @see DWT#RADIO | |
| 100 * @see DWT#TOGGLE | |
| 101 * @see DWT#FLAT | |
| 102 * @see DWT#LEFT | |
| 103 * @see DWT#RIGHT | |
| 104 * @see DWT#CENTER | |
| 37 | 105 * @see Widget#checkSubclass |
| 106 * @see Widget#getStyle | |
| 107 */ | |
| 44 | 108 public this (Composite parent, int style) { |
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109 super (parent, checkStyle (style)); |
| 37 | 110 } |
| 111 | |
| 112 static int checkStyle (int style) { | |
| 71 | 113 style = checkBits (style, DWT.PUSH, DWT.ARROW, DWT.CHECK, DWT.RADIO, DWT.TOGGLE, 0); |
| 114 if ((style & (DWT.PUSH | DWT.TOGGLE)) !is 0) { | |
| 115 return checkBits (style, DWT.CENTER, DWT.LEFT, DWT.RIGHT, 0, 0, 0); | |
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116 } |
| 71 | 117 if ((style & (DWT.CHECK | DWT.RADIO)) !is 0) { |
| 118 return checkBits (style, DWT.LEFT, DWT.RIGHT, DWT.CENTER, 0, 0, 0); | |
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119 } |
| 71 | 120 if ((style & DWT.ARROW) !is 0) { |
| 121 style |= DWT.NO_FOCUS; | |
| 122 return checkBits (style, DWT.UP, DWT.DOWN, DWT.LEFT, DWT.RIGHT, 0, 0); | |
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123 } |
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124 return style; |
| 37 | 125 } |
| 126 | |
| 127 /** | |
| 128 * Adds the listener to the collection of listeners who will | |
| 129 * be notified when the control is selected by the user, by sending | |
| 130 * it one of the messages defined in the <code>SelectionListener</code> | |
| 131 * interface. | |
| 132 * <p> | |
| 133 * <code>widgetSelected</code> is called when the control is selected by the user. | |
| 134 * <code>widgetDefaultSelected</code> is not called. | |
| 135 * </p> | |
| 136 * | |
| 137 * @param listener the listener which should be notified | |
| 138 * | |
| 139 * @exception IllegalArgumentException <ul> | |
| 140 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 141 * </ul> | |
| 71 | 142 * @exception DWTException <ul> |
| 37 | 143 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 144 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 145 * </ul> | |
| 146 * | |
| 147 * @see SelectionListener | |
| 148 * @see #removeSelectionListener | |
| 149 * @see SelectionEvent | |
| 150 */ | |
| 151 public void addSelectionListener (SelectionListener listener) { | |
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152 checkWidget (); |
| 71 | 153 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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154 TypedListener typedListener = new TypedListener (listener); |
| 71 | 155 addListener (DWT.Selection,typedListener); |
| 156 addListener (DWT.DefaultSelection,typedListener); | |
| 37 | 157 } |
| 158 | |
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159 override public Point computeSize (int wHint, int hHint, bool changed) { |
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160 checkWidget (); |
| 71 | 161 if (wHint !is DWT.DEFAULT && wHint < 0) wHint = 0; |
| 162 if (hHint !is DWT.DEFAULT && hHint < 0) hHint = 0; | |
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163 /* |
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164 * Feature in GTK, GtkCheckButton and GtkRadioButton allocate |
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165 * only the minimum size necessary for its child. This causes the child |
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166 * alignment to fail. The fix is to set the child size to the size |
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167 * of the button. |
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168 */ |
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169 forceResize (); |
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170 int reqWidth = -1, reqHeight = -1; |
| 71 | 171 if ((style & (DWT.CHECK | DWT.RADIO)) !is 0) { |
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172 OS.gtk_widget_get_size_request (boxHandle, &reqWidth, &reqHeight); |
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173 OS.gtk_widget_set_size_request (boxHandle, -1, -1); |
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174 } |
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175 Point size = computeNativeSize (handle, wHint, hHint, changed); |
| 71 | 176 if ((style & (DWT.CHECK | DWT.RADIO)) !is 0) { |
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177 OS.gtk_widget_set_size_request (boxHandle, reqWidth, reqHeight); |
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178 } |
| 71 | 179 if (wHint !is DWT.DEFAULT || hHint !is DWT.DEFAULT) { |
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180 if ((OS.GTK_WIDGET_FLAGS (handle) & OS.GTK_CAN_DEFAULT) !is 0) { |
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181 GtkBorder border; |
| 44 | 182 GtkBorder* buffer; |
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183 OS.gtk_widget_style_get1 (handle, OS.default_border.ptr, cast(int*)&buffer ); |
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184 if (buffer !is null) { |
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185 border = *buffer; |
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186 } else { |
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187 /* Use the GTK+ default value of 1 for each. */ |
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188 border.left = border.right = border.top = border.bottom = 1; |
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189 } |
| 71 | 190 if (wHint !is DWT.DEFAULT) size.x += border.left + border.right; |
| 191 if (hHint !is DWT.DEFAULT) size.y += border.top + border.bottom; | |
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192 } |
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193 } |
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194 return size; |
| 37 | 195 } |
| 196 | |
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197 override void createHandle (int index) { |
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198 state |= HANDLE; |
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199 if ((style & (DWT.PUSH | DWT.TOGGLE)) is 0) state |= THEME_BACKGROUND; |
| 71 | 200 int bits = DWT.ARROW | DWT.TOGGLE | DWT.CHECK | DWT.RADIO | DWT.PUSH; |
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201 fixedHandle = cast(GtkWidget*)OS.g_object_new (display.gtk_fixed_get_type (), null); |
| 71 | 202 if (fixedHandle is null) error (DWT.ERROR_NO_HANDLES); |
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203 OS.gtk_fixed_set_has_window (cast(GtkFixed*)fixedHandle, true); |
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204 switch (style & bits) { |
| 71 | 205 case DWT.ARROW: |
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206 int arrow_type = OS.GTK_ARROW_UP; |
| 71 | 207 if ((style & DWT.UP) !is 0) arrow_type = OS.GTK_ARROW_UP; |
| 208 if ((style & DWT.DOWN) !is 0) arrow_type = OS.GTK_ARROW_DOWN; | |
| 209 if ((style & DWT.LEFT) !is 0) arrow_type = OS.GTK_ARROW_LEFT; | |
| 210 if ((style & DWT.RIGHT) !is 0) arrow_type = OS.GTK_ARROW_RIGHT; | |
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211 handle = OS.gtk_button_new (); |
| 71 | 212 if (handle is null) error (DWT.ERROR_NO_HANDLES); |
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213 arrowHandle = OS.gtk_arrow_new (arrow_type, OS.GTK_SHADOW_OUT); |
| 71 | 214 if (arrowHandle is null) error (DWT.ERROR_NO_HANDLES); |
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215 break; |
| 71 | 216 case DWT.TOGGLE: |
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217 handle = OS.gtk_toggle_button_new (); |
| 71 | 218 if (handle is null) error (DWT.ERROR_NO_HANDLES); |
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219 break; |
| 71 | 220 case DWT.CHECK: |
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221 handle = OS.gtk_check_button_new (); |
| 71 | 222 if (handle is null) error (DWT.ERROR_NO_HANDLES); |
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223 break; |
| 71 | 224 case DWT.RADIO: |
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225 /* |
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226 * Feature in GTK. In GTK, radio button must always be part of |
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227 * a radio button group. In a GTK radio group, one button is always |
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228 * selected. This means that it is not possible to have a single |
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229 * radio button that is unselected. This is necessary to allow |
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230 * applications to implement their own radio behavior or use radio |
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231 * buttons outside of radio groups. The fix is to create a hidden |
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232 * radio button for each radio button we create and add them |
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233 * to the same group. This allows the visible button to be |
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234 * unselected. |
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235 */ |
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236 groupHandle = cast(GtkWidget*)OS.gtk_radio_button_new (null); |
| 71 | 237 if (groupHandle is null) error (DWT.ERROR_NO_HANDLES); |
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238 OS.g_object_ref (groupHandle); |
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239 OS.gtk_object_sink (cast(GtkObject*)groupHandle); |
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240 handle = OS.gtk_radio_button_new ( OS.gtk_radio_button_get_group (cast(GtkRadioButton*)groupHandle)); |
| 71 | 241 if (handle is null) error (DWT.ERROR_NO_HANDLES); |
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242 break; |
| 71 | 243 case DWT.PUSH: |
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244 default: |
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245 handle = OS.gtk_button_new (); |
| 71 | 246 if (handle is null) error (DWT.ERROR_NO_HANDLES); |
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247 OS.GTK_WIDGET_SET_FLAGS(handle, OS.GTK_CAN_DEFAULT); |
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248 break; |
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249 } |
| 71 | 250 if ((style & DWT.ARROW) !is 0) { |
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251 OS.gtk_container_add (cast(GtkContainer*)handle, arrowHandle); |
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252 } else { |
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253 boxHandle = OS.gtk_hbox_new (false, 4); |
| 71 | 254 if (boxHandle is null) error (DWT.ERROR_NO_HANDLES); |
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255 labelHandle = OS.gtk_label_new_with_mnemonic (null); |
| 71 | 256 if (labelHandle is null) error (DWT.ERROR_NO_HANDLES); |
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257 imageHandle = OS.gtk_image_new (); |
| 71 | 258 if (imageHandle is null) error (DWT.ERROR_NO_HANDLES); |
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259 OS.gtk_container_add (cast(GtkContainer*)handle, boxHandle); |
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260 OS.gtk_container_add (cast(GtkContainer*)boxHandle, imageHandle); |
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261 OS.gtk_container_add (cast(GtkContainer*)boxHandle, labelHandle); |
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262 } |
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263 OS.gtk_container_add (cast(GtkContainer*)fixedHandle, handle); |
| 37 | 264 |
| 71 | 265 if ((style & DWT.ARROW) !is 0) return; |
| 266 _setAlignment (style & (DWT.LEFT | DWT.CENTER | DWT.RIGHT)); | |
| 37 | 267 } |
| 268 | |
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269 override void createWidget (int index) { |
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270 super.createWidget (index); |
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271 text = ""; |
| 37 | 272 } |
| 273 | |
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274 override void deregister () { |
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275 super.deregister (); |
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276 if (boxHandle !is null) display.removeWidget (boxHandle); |
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277 if (labelHandle !is null) display.removeWidget (labelHandle); |
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278 if (imageHandle !is null) display.removeWidget (imageHandle); |
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279 if (arrowHandle !is null) display.removeWidget (arrowHandle); |
| 37 | 280 } |
| 281 | |
| 44 | 282 override GtkWidget* fontHandle () { |
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283 if (labelHandle !is null) return labelHandle; |
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284 return super.fontHandle (); |
| 37 | 285 } |
| 286 | |
| 287 /** | |
| 288 * Returns a value which describes the position of the | |
| 289 * text or image in the receiver. The value will be one of | |
| 290 * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code> | |
| 291 * unless the receiver is an <code>ARROW</code> button, in | |
| 292 * which case, the alignment will indicate the direction of | |
| 293 * the arrow (one of <code>LEFT</code>, <code>RIGHT</code>, | |
| 294 * <code>UP</code> or <code>DOWN</code>). | |
| 295 * | |
| 296 * @return the alignment | |
| 297 * | |
| 71 | 298 * @exception DWTException <ul> |
| 37 | 299 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 300 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 301 * </ul> | |
| 302 */ | |
| 303 public int getAlignment () { | |
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304 checkWidget (); |
| 71 | 305 if ((style & DWT.ARROW) !is 0) { |
| 306 if ((style & DWT.UP) !is 0) return DWT.UP; | |
| 307 if ((style & DWT.DOWN) !is 0) return DWT.DOWN; | |
| 308 if ((style & DWT.LEFT) !is 0) return DWT.LEFT; | |
| 309 if ((style & DWT.RIGHT) !is 0) return DWT.RIGHT; | |
| 310 return DWT.UP; | |
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311 } |
| 71 | 312 if ((style & DWT.LEFT) !is 0) return DWT.LEFT; |
| 313 if ((style & DWT.CENTER) !is 0) return DWT.CENTER; | |
| 314 if ((style & DWT.RIGHT) !is 0) return DWT.RIGHT; | |
| 315 return DWT.LEFT; | |
| 37 | 316 } |
| 317 | |
| 259 | 318 /** |
| 319 * Returns <code>true</code> if the receiver is grayed, | |
| 320 * and false otherwise. When the widget does not have | |
| 321 * the <code>CHECK</code> style, return false. | |
| 322 * | |
| 323 * @return the grayed state of the checkbox | |
| 324 * | |
| 325 * @exception DWTException <ul> | |
| 326 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 327 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 328 * </ul> | |
| 329 * | |
| 330 * @since 3.4 | |
| 331 */ | |
| 240 | 332 public bool getGrayed () { |
| 333 checkWidget(); | |
| 334 if ((style & DWT.CHECK) is 0) return false; | |
| 335 return grayed; | |
| 336 } | |
| 337 | |
| 37 | 338 /** |
| 339 * Returns the receiver's image if it has one, or null | |
| 340 * if it does not. | |
| 341 * | |
| 342 * @return the receiver's image | |
| 343 * | |
| 71 | 344 * @exception DWTException <ul> |
| 37 | 345 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 346 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 347 * </ul> | |
| 348 */ | |
| 349 public Image getImage () { | |
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350 checkWidget (); |
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351 return image; |
| 37 | 352 } |
| 353 | |
| 238 | 354 override String getNameText () { |
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355 return getText (); |
| 37 | 356 } |
| 357 | |
| 358 /** | |
| 359 * Returns <code>true</code> if the receiver is selected, | |
| 360 * and false otherwise. | |
| 361 * <p> | |
| 362 * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, | |
| 363 * it is selected when it is checked. When it is of type <code>TOGGLE</code>, | |
| 364 * it is selected when it is pushed in. If the receiver is of any other type, | |
| 365 * this method returns false. | |
| 366 * | |
| 367 * @return the selection state | |
| 368 * | |
| 71 | 369 * @exception DWTException <ul> |
| 37 | 370 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 371 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 372 * </ul> | |
| 373 */ | |
| 44 | 374 public bool getSelection () { |
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375 checkWidget (); |
| 71 | 376 if ((style & (DWT.CHECK | DWT.RADIO | DWT.TOGGLE)) is 0) return false; |
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377 return cast(bool)OS.gtk_toggle_button_get_active (cast(GtkToggleButton*)handle); |
| 37 | 378 } |
| 379 | |
| 380 /** | |
| 381 * Returns the receiver's text, which will be an empty | |
| 382 * string if it has never been set or if the receiver is | |
| 383 * an <code>ARROW</code> button. | |
| 384 * | |
| 385 * @return the receiver's text | |
| 386 * | |
| 71 | 387 * @exception DWTException <ul> |
| 37 | 388 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 389 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 390 * </ul> | |
| 391 */ | |
| 238 | 392 public String getText () { |
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393 checkWidget(); |
| 71 | 394 if ((style & DWT.ARROW) !is 0) return ""; |
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395 return text; |
| 37 | 396 } |
| 397 | |
| 44 | 398 override int /*long*/ gtk_button_press_event (GtkWidget* widget, GdkEventButton* event) { |
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399 auto result = super.gtk_button_press_event (widget, event); |
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400 if (result !is 0) return result; |
| 71 | 401 if ((style & DWT.RADIO) !is 0) selected = getSelection (); |
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402 return result; |
| 37 | 403 } |
| 404 | |
| 44 | 405 override int /*long*/ gtk_clicked (GtkWidget* widget) { |
| 71 | 406 if ((style & DWT.RADIO) !is 0) { |
| 407 if ((parent.getStyle () & DWT.NO_RADIO_GROUP) !is 0) { | |
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408 setSelection (!selected); |
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409 } else { |
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410 selectRadio (); |
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411 } |
| 240 | 412 } else { |
| 413 if ((style & DWT.CHECK) !is 0) { | |
| 414 if (grayed) { | |
| 415 if (OS.gtk_toggle_button_get_active (handle)) { | |
| 416 OS.gtk_toggle_button_set_inconsistent (handle, true); | |
| 417 } else { | |
| 418 OS.gtk_toggle_button_set_inconsistent (handle, false); | |
| 419 } | |
| 420 } | |
| 421 } | |
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422 } |
| 71 | 423 postEvent (DWT.Selection); |
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424 return 0; |
| 37 | 425 } |
| 426 | |
| 44 | 427 override int /*long*/ gtk_focus_in_event (GtkWidget* widget, GdkEventFocus* event) { |
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428 auto result = super.gtk_focus_in_event (widget, event); |
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429 // widget could be disposed at this point |
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430 if (handle is null) return 0; |
| 71 | 431 if ((style & DWT.PUSH) !is 0 && OS.GTK_WIDGET_HAS_DEFAULT (handle)) { |
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432 Decorations menuShell = menuShell (); |
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433 menuShell.defaultButton = this; |
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434 } |
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435 return result; |
| 37 | 436 } |
| 437 | |
| 44 | 438 override int /*long*/ gtk_focus_out_event (GtkWidget* widget, GdkEventFocus* event) { |
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439 auto result = super.gtk_focus_out_event (widget, event); |
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440 // widget could be disposed at this point |
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441 if (handle is null) return 0; |
| 71 | 442 if ((style & DWT.PUSH) !is 0 && !OS.GTK_WIDGET_HAS_DEFAULT (handle)) { |
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443 Decorations menuShell = menuShell (); |
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444 if (menuShell.defaultButton is this) { |
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445 menuShell.defaultButton = null; |
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446 } |
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447 } |
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448 return result; |
| 37 | 449 } |
| 450 | |
| 44 | 451 override int /*long*/ gtk_key_press_event (GtkWidget* widget, GdkEventKey* event) { |
|
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452 auto result = super.gtk_key_press_event (widget, event); |
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453 if (result !is 0) return result; |
| 71 | 454 if ((style & DWT.RADIO) !is 0) selected = getSelection (); |
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455 return result; |
| 37 | 456 } |
| 457 | |
|
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458 override void hookEvents () { |
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459 super.hookEvents(); |
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460 OS.g_signal_connect_closure (handle, OS.clicked.ptr, display.closures [CLICKED], false); |
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461 if (labelHandle !is null) { |
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462 OS.g_signal_connect_closure_by_id (cast(void*)labelHandle, display.signalIds [MNEMONIC_ACTIVATE], 0, display.closures [MNEMONIC_ACTIVATE], false); |
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463 } |
| 37 | 464 } |
| 465 | |
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466 override bool isDescribedByLabel () { |
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467 return false; |
| 37 | 468 } |
| 469 | |
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470 override bool mnemonicHit (wchar key) { |
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471 if (labelHandle is null) return false; |
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472 bool result = super.mnemonicHit (labelHandle, key); |
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473 if (result) setFocus (); |
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474 return result; |
| 37 | 475 } |
| 476 | |
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477 override bool mnemonicMatch (wchar key) { |
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478 if (labelHandle is null) return false; |
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479 return mnemonicMatch (labelHandle, key); |
| 37 | 480 } |
| 481 | |
|
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482 override void register () { |
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483 super.register (); |
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484 if (boxHandle !is null) display.addWidget (boxHandle, this); |
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485 if (labelHandle !is null) display.addWidget (labelHandle, this); |
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486 if (imageHandle !is null) display.addWidget (imageHandle, this); |
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487 if (arrowHandle !is null) display.addWidget (arrowHandle, this); |
| 37 | 488 } |
| 489 | |
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490 override void releaseHandle () { |
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491 super.releaseHandle (); |
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492 boxHandle = imageHandle = labelHandle = arrowHandle = null; |
| 37 | 493 } |
| 494 | |
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495 override void releaseWidget () { |
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496 super.releaseWidget (); |
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497 if (groupHandle !is null) OS.g_object_unref (groupHandle); |
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498 groupHandle = null; |
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499 if (imageList !is null) imageList.dispose (); |
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500 imageList = null; |
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501 image = null; |
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502 text = null; |
| 37 | 503 } |
| 504 | |
| 505 /** | |
| 506 * Removes the listener from the collection of listeners who will | |
| 507 * be notified when the control is selected by the user. | |
| 508 * | |
| 509 * @param listener the listener which should no longer be notified | |
| 510 * | |
| 511 * @exception IllegalArgumentException <ul> | |
| 512 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 513 * </ul> | |
| 71 | 514 * @exception DWTException <ul> |
| 37 | 515 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 516 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 517 * </ul> | |
| 518 * | |
| 519 * @see SelectionListener | |
| 520 * @see #addSelectionListener | |
| 521 */ | |
| 522 public void removeSelectionListener (SelectionListener listener) { | |
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523 checkWidget(); |
| 71 | 524 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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525 if (eventTable is null) return; |
| 71 | 526 eventTable.unhook (DWT.Selection, listener); |
| 527 eventTable.unhook (DWT.DefaultSelection,listener); | |
| 37 | 528 } |
| 529 | |
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530 override void resizeHandle (int width, int height) { |
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531 super.resizeHandle (width, height); |
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532 /* |
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533 * Feature in GTK, GtkCheckButton and GtkRadioButton allocate |
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534 * only the minimum size necessary for its child. This causes the child |
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535 * alignment to fail. The fix is to set the child size to the size |
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536 * of the button. |
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537 */ |
| 71 | 538 if ((style & (DWT.CHECK | DWT.RADIO)) !is 0) { |
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539 OS.gtk_widget_set_size_request (boxHandle, width, -1); |
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540 } |
| 37 | 541 } |
| 542 | |
| 543 void selectRadio () { | |
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544 /* |
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545 * This code is intentionally commented. When two groups |
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546 * of radio buttons with the same parent are separated by |
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547 * another control, the correct behavior should be that |
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548 * the two groups act independently. This is consistent |
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549 * with radio tool and menu items. The commented code |
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550 * implements this behavior. |
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551 */ |
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552 // int index = 0; |
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553 // Control [] children = parent._getChildren (); |
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554 // while (index < children.length && children [index] !is this) index++; |
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555 // int i = index - 1; |
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556 // while (i >= 0 && children [i].setRadioSelection (false)) --i; |
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557 // int j = index + 1; |
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558 // while (j < children.length && children [j].setRadioSelection (false)) j++; |
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559 // setSelection (true); |
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560 Control [] children = parent._getChildren (); |
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561 for (int i=0; i<children.length; i++) { |
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562 Control child = children [i]; |
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563 if (this !is child) child.setRadioSelection (false); |
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564 } |
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565 setSelection (true); |
| 37 | 566 } |
| 567 | |
| 568 /** | |
| 569 * Controls how text, images and arrows will be displayed | |
| 570 * in the receiver. The argument should be one of | |
| 571 * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code> | |
| 572 * unless the receiver is an <code>ARROW</code> button, in | |
| 573 * which case, the argument indicates the direction of | |
| 574 * the arrow (one of <code>LEFT</code>, <code>RIGHT</code>, | |
| 575 * <code>UP</code> or <code>DOWN</code>). | |
| 576 * | |
| 577 * @param alignment the new alignment | |
| 578 * | |
| 71 | 579 * @exception DWTException <ul> |
| 37 | 580 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 581 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 582 * </ul> | |
| 583 */ | |
| 584 public void setAlignment (int alignment) { | |
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585 checkWidget (); |
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586 _setAlignment (alignment); |
| 37 | 587 } |
| 588 | |
| 589 void _setAlignment (int alignment) { | |
| 71 | 590 if ((style & DWT.ARROW) !is 0) { |
| 591 if ((style & (DWT.UP | DWT.DOWN | DWT.LEFT | DWT.RIGHT)) is 0) return; | |
| 592 style &= ~(DWT.UP | DWT.DOWN | DWT.LEFT | DWT.RIGHT); | |
| 593 style |= alignment & (DWT.UP | DWT.DOWN | DWT.LEFT | DWT.RIGHT); | |
|
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594 int arrow_type = OS.GTK_ARROW_UP; |
| 71 | 595 bool isRTL = (style & DWT.RIGHT_TO_LEFT) !is 0; |
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596 switch (alignment) { |
| 71 | 597 case DWT.UP: arrow_type = OS.GTK_ARROW_UP; break; |
| 598 case DWT.DOWN: arrow_type = OS.GTK_ARROW_DOWN; break; | |
| 599 case DWT.LEFT: arrow_type = isRTL ? OS.GTK_ARROW_RIGHT : OS.GTK_ARROW_LEFT; break; | |
| 600 case DWT.RIGHT: arrow_type = isRTL ? OS.GTK_ARROW_LEFT : OS.GTK_ARROW_RIGHT; break; | |
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601 default: |
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602 } |
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603 OS.gtk_arrow_set (cast(GtkArrow*)arrowHandle, arrow_type, OS.GTK_SHADOW_OUT); |
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604 return; |
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605 } |
| 71 | 606 if ((alignment & (DWT.LEFT | DWT.RIGHT | DWT.CENTER)) is 0) return; |
| 607 style &= ~(DWT.LEFT | DWT.RIGHT | DWT.CENTER); | |
| 608 style |= alignment & (DWT.LEFT | DWT.RIGHT | DWT.CENTER); | |
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609 /* Alignment not honoured when image and text are visible */ |
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|
610 bool bothVisible = OS.GTK_WIDGET_VISIBLE (labelHandle) && OS.GTK_WIDGET_VISIBLE (imageHandle); |
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611 if (bothVisible) { |
| 71 | 612 if ((style & (DWT.RADIO | DWT.CHECK)) !is 0) alignment = DWT.LEFT; |
| 613 if ((style & (DWT.PUSH | DWT.TOGGLE)) !is 0) alignment = DWT.CENTER; | |
|
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614 } |
| 71 | 615 if ((alignment & DWT.LEFT) !is 0) { |
|
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616 if (bothVisible) { |
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617 OS.gtk_box_set_child_packing (cast(GtkBox*)boxHandle, labelHandle, false, false, 0, OS.GTK_PACK_START); |
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618 OS.gtk_box_set_child_packing (cast(GtkBox*)boxHandle, imageHandle, false, false, 0, OS.GTK_PACK_START); |
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619 } |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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620 OS.gtk_misc_set_alignment (cast(GtkMisc*)labelHandle, 0.0f, 0.5f); |
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621 OS.gtk_label_set_justify (cast(GtkLabel*)labelHandle, OS.GTK_JUSTIFY_LEFT); |
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622 OS.gtk_misc_set_alignment (cast(GtkMisc*)imageHandle, 0.0f, 0.5f); |
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623 return; |
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624 } |
| 71 | 625 if ((alignment & DWT.CENTER) !is 0) { |
|
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626 if (bothVisible) { |
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627 OS.gtk_box_set_child_packing (cast(GtkBox*)boxHandle, labelHandle, true, true, 0, OS.GTK_PACK_END); |
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628 OS.gtk_box_set_child_packing (cast(GtkBox*)boxHandle, imageHandle, true, true, 0, OS.GTK_PACK_START); |
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629 OS.gtk_misc_set_alignment (cast(GtkMisc*)labelHandle, 0f, 0.5f); |
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630 OS.gtk_misc_set_alignment (cast(GtkMisc*)imageHandle, 1f, 0.5f); |
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631 } else { |
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632 OS.gtk_misc_set_alignment (cast(GtkMisc*)labelHandle, 0.5f, 0.5f); |
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633 OS.gtk_label_set_justify (cast(GtkLabel*)labelHandle, OS.GTK_JUSTIFY_CENTER); |
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634 OS.gtk_misc_set_alignment (cast(GtkMisc*)imageHandle, 0.5f, 0.5f); |
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635 } |
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636 return; |
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637 } |
| 71 | 638 if ((alignment & DWT.RIGHT) !is 0) { |
|
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639 if (bothVisible) { |
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640 OS.gtk_box_set_child_packing (cast(GtkBox*)boxHandle, labelHandle, false, false, 0, OS.GTK_PACK_END); |
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641 OS.gtk_box_set_child_packing (cast(GtkBox*)boxHandle, imageHandle, false, false, 0, OS.GTK_PACK_END); |
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642 } |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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643 OS.gtk_misc_set_alignment (cast(GtkMisc*)labelHandle, 1.0f, 0.5f); |
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644 OS.gtk_label_set_justify (cast(GtkLabel*)labelHandle, OS.GTK_JUSTIFY_RIGHT); |
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645 OS.gtk_misc_set_alignment (cast(GtkMisc*)imageHandle, 1.0f, 0.5f); |
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646 return; |
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647 } |
| 37 | 648 } |
| 649 | |
| 44 | 650 override void setBackgroundColor (GdkColor* color) { |
|
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651 super.setBackgroundColor (color); |
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652 setBackgroundColor(fixedHandle, color); |
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653 if (labelHandle !is null) setBackgroundColor(labelHandle, color); |
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654 if (imageHandle !is null) setBackgroundColor(imageHandle, color); |
| 37 | 655 } |
| 656 | |
|
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657 override void setFontDescription (PangoFontDescription* font) { |
|
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658 super.setFontDescription (font); |
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659 if (labelHandle !is null) OS.gtk_widget_modify_font (labelHandle, font); |
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660 if (imageHandle !is null) OS.gtk_widget_modify_font (imageHandle, font); |
| 37 | 661 } |
| 662 | |
|
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663 override bool setRadioSelection (bool value) { |
| 71 | 664 if ((style & DWT.RADIO) is 0) return false; |
|
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665 if (getSelection () !is value) { |
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666 setSelection (value); |
| 71 | 667 postEvent (DWT.Selection); |
|
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668 } |
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669 return true; |
| 37 | 670 } |
| 671 | |
| 44 | 672 override void setForegroundColor (GdkColor* color) { |
|
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673 super.setForegroundColor (color); |
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674 setForegroundColor (fixedHandle, color); |
|
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675 if (labelHandle !is null) setForegroundColor (labelHandle, color); |
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676 if (imageHandle !is null) setForegroundColor (imageHandle, color); |
| 37 | 677 } |
| 678 | |
| 259 | 679 /** |
| 680 * Sets the grayed state of the receiver. This state change | |
| 681 * only applies if the control was created with the DWT.CHECK | |
| 682 * style. | |
| 683 * | |
| 684 * @param grayed the new grayed state | |
| 685 * | |
| 686 * @exception DWTException <ul> | |
| 687 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 688 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 689 * </ul> | |
| 690 * | |
| 691 * @since 3.4 | |
| 692 */ | |
| 240 | 693 public void setGrayed (bool grayed) { |
| 694 checkWidget(); | |
| 695 if ((style & DWT.CHECK) is 0) return; | |
| 696 this.grayed = grayed; | |
| 697 if (grayed && OS.gtk_toggle_button_get_active (handle)) { | |
| 698 OS.gtk_toggle_button_set_inconsistent (handle, true); | |
| 699 } else { | |
| 700 OS.gtk_toggle_button_set_inconsistent (handle, false); | |
| 701 } | |
| 702 } | |
| 703 | |
| 37 | 704 /** |
| 705 * Sets the receiver's image to the argument, which may be | |
| 706 * <code>null</code> indicating that no image should be displayed. | |
| 707 * <p> | |
| 708 * Note that a Button can display an image and text simultaneously | |
| 709 * on Windows (starting with XP), GTK+ and OSX. On other platforms, | |
| 710 * a Button that has an image and text set into it will display the | |
| 711 * image or text that was set most recently. | |
| 712 * </p> | |
| 713 * @param image the image to display on the receiver (may be <code>null</code>) | |
| 714 * | |
| 715 * @exception IllegalArgumentException <ul> | |
| 716 * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> | |
| 717 * </ul> | |
| 71 | 718 * @exception DWTException <ul> |
| 37 | 719 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 720 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 721 * </ul> | |
| 722 */ | |
| 723 public void setImage (Image image) { | |
|
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724 checkWidget (); |
| 71 | 725 if ((style & DWT.ARROW) !is 0) return; |
|
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726 if (imageList !is null) imageList.dispose (); |
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727 imageList = null; |
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728 if (image !is null) { |
| 71 | 729 if (image.isDisposed()) error (DWT.ERROR_INVALID_ARGUMENT); |
|
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|
730 imageList = new ImageList (); |
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731 int imageIndex = imageList.add (image); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
732 auto pixbuf = imageList.getPixbuf (imageIndex); |
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733 OS.gtk_image_set_from_pixbuf (cast(GtkImage*)imageHandle, pixbuf); |
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|
734 if (text.length is 0) OS.gtk_widget_hide (labelHandle); |
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735 OS.gtk_widget_show (imageHandle); |
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736 } else { |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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737 OS.gtk_image_set_from_pixbuf (cast(GtkImage*)imageHandle, null); |
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738 OS.gtk_widget_show (labelHandle); |
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739 OS.gtk_widget_hide (imageHandle); |
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740 } |
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|
741 this.image = image; |
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742 _setAlignment (style); |
| 37 | 743 } |
| 744 | |
|
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|
745 override void setOrientation () { |
|
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|
746 super.setOrientation (); |
| 71 | 747 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { |
| 240 | 748 if (boxHandle !is null) OS.gtk_widget_set_direction (boxHandle, OS.GTK_TEXT_DIR_RTL); |
|
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|
749 if (labelHandle !is null) OS.gtk_widget_set_direction (labelHandle, OS.GTK_TEXT_DIR_RTL); |
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|
750 if (imageHandle !is null) OS.gtk_widget_set_direction (imageHandle, OS.GTK_TEXT_DIR_RTL); |
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751 if (arrowHandle !is null) { |
| 71 | 752 switch (style & (DWT.LEFT | DWT.RIGHT)) { |
| 753 case DWT.LEFT: OS.gtk_arrow_set (cast(GtkArrow*)arrowHandle, OS.GTK_ARROW_RIGHT, OS.GTK_SHADOW_OUT); break; | |
| 754 case DWT.RIGHT: OS.gtk_arrow_set (cast(GtkArrow*)arrowHandle, OS.GTK_ARROW_LEFT, OS.GTK_SHADOW_OUT); break; | |
|
55
93981635e709
Checked and inserted missing default switch cases.
Frank Benoit <benoit@tionex.de>
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|
755 default: |
|
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756 } |
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757 } |
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758 } |
| 37 | 759 } |
| 760 | |
| 761 /** | |
| 762 * Sets the selection state of the receiver, if it is of type <code>CHECK</code>, | |
| 763 * <code>RADIO</code>, or <code>TOGGLE</code>. | |
| 764 * | |
| 765 * <p> | |
| 766 * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, | |
| 767 * it is selected when it is checked. When it is of type <code>TOGGLE</code>, | |
| 768 * it is selected when it is pushed in. | |
| 769 * | |
| 770 * @param selected the new selection state | |
| 771 * | |
| 71 | 772 * @exception DWTException <ul> |
| 37 | 773 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 774 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 775 * </ul> | |
| 776 */ | |
| 44 | 777 public void setSelection (bool selected) { |
|
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778 checkWidget(); |
| 71 | 779 if ((style & (DWT.CHECK | DWT.RADIO | DWT.TOGGLE)) is 0) return; |
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Fixed signal blocking/unblocking:
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780 OS.g_signal_handlers_block_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCLICKED); |
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781 OS.gtk_toggle_button_set_active (cast(GtkToggleButton*)handle, selected); |
| 240 | 782 if ((style & DWT.CHECK) !is 0) { |
| 783 if (selected && grayed) { | |
| 784 OS.gtk_toggle_button_set_inconsistent (handle, true); | |
| 785 } else { | |
| 786 OS.gtk_toggle_button_set_inconsistent (handle, false); | |
| 787 } | |
| 788 } | |
| 71 | 789 if ((style & DWT.RADIO) !is 0) OS.gtk_toggle_button_set_active (cast(GtkToggleButton*)groupHandle, !selected); |
|
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parents:
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changeset
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790 OS.g_signal_handlers_unblock_matched (handle, OS.G_SIGNAL_MATCH_DATA, 0, 0, null, null, udCLICKED); |
| 37 | 791 } |
| 792 | |
| 793 /** | |
| 794 * Sets the receiver's text. | |
| 795 * <p> | |
| 796 * This method sets the button label. The label may include | |
| 797 * the mnemonic character but must not contain line delimiters. | |
| 798 * </p> | |
| 799 * <p> | |
| 800 * Mnemonics are indicated by an '&' that causes the next | |
| 801 * character to be the mnemonic. When the user presses a | |
| 802 * key sequence that matches the mnemonic, a selection | |
| 803 * event occurs. On most platforms, the mnemonic appears | |
| 804 * underlined but may be emphasized in a platform specific | |
| 805 * manner. The mnemonic indicator character '&' can be | |
| 806 * escaped by doubling it in the string, causing a single | |
| 807 * '&' to be displayed. | |
| 808 * </p><p> | |
| 809 * Note that a Button can display an image and text simultaneously | |
| 810 * on Windows (starting with XP), GTK+ and OSX. On other platforms, | |
| 811 * a Button that has an image and text set into it will display the | |
| 812 * image or text that was set most recently. | |
| 813 * </p> | |
| 814 * @param string the new text | |
| 815 * | |
| 71 | 816 * @exception DWTException <ul> |
| 37 | 817 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 818 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 819 * </ul> | |
| 820 */ | |
| 238 | 821 public void setText (String string) { |
|
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822 checkWidget (); |
|
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removed tango.stdc.stringz imports and allow null for arrays and string arguments.
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823 // DWT extension: allow null for zero length string |
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824 //if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
| 71 | 825 if ((style & DWT.ARROW) !is 0) return; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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826 text = string; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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827 char [] chars = fixMnemonic (string); |
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248
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Fix call OS.gtk_label_set_text_with_mnemonic with valid ptr, even for zero length strings.
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828 OS.gtk_label_set_text_with_mnemonic (cast(GtkLabel*)labelHandle, chars.toStringzValidPtr() ); |
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829 if (image is null) OS.gtk_widget_hide (imageHandle); |
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830 OS.gtk_widget_show (labelHandle); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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831 _setAlignment (style); |
| 37 | 832 } |
| 833 | |
|
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extended helloworld crashing
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diff
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834 override void showWidget () { |
|
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835 super.showWidget (); |
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836 if (boxHandle !is null) OS.gtk_widget_show (boxHandle); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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837 if (labelHandle !is null) OS.gtk_widget_show (labelHandle); |
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838 if (arrowHandle !is null) OS.gtk_widget_show (arrowHandle); |
| 37 | 839 } |
| 840 | |
| 44 | 841 override int traversalCode (int key, GdkEventKey* event) { |
|
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842 int code = super.traversalCode (key, event); |
| 240 | 843 if ((style & DWT.ARROW) !is 0) code &= ~(DWT.TRAVERSE_TAB_NEXT | DWT.TRAVERSE_TAB_PREVIOUS); |
| 71 | 844 if ((style & DWT.RADIO) !is 0) code |= DWT.TRAVERSE_ARROW_NEXT | DWT.TRAVERSE_ARROW_PREVIOUS; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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845 return code; |
| 37 | 846 } |
| 847 | |
| 848 } |