Mercurial > projects > dwt-linux
annotate dwt/graphics/Device.d @ 361:4bffbf81e2d6
redirect direct prints to DwtLogger
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 20 Mar 2009 21:00:06 +0100 |
| parents | 17757a168f51 |
| children |
| rev | line source |
|---|---|
| 72 | 1 /******************************************************************************* |
| 259 | 2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
| 18 | 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> | |
| 18 | 12 *******************************************************************************/ |
| 13 module dwt.graphics.Device; | |
| 14 | |
| 15 import dwt.graphics.Color; | |
| 19 | 16 import dwt.graphics.Font; |
| 17 import dwt.graphics.Drawable; | |
| 18 import dwt.graphics.DeviceData; | |
| 19 import dwt.graphics.Rectangle; | |
| 20 import dwt.graphics.FontData; | |
| 21 import dwt.graphics.Font; | |
| 22 import dwt.graphics.GCData; | |
| 23 import dwt.dwthelper.Runnable; | |
| 71 | 24 import dwt.DWT; |
| 25 import dwt.DWTError; | |
| 19 | 26 import dwt.internal.Compatibility; |
| 27 import dwt.internal.gtk.OS; | |
|
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28 import dwt.dwthelper.utils; |
| 19 | 29 |
| 30 import tango.core.Exception; | |
| 31 | |
| 18 | 32 /** |
| 33 * This class is the abstract superclass of all device objects, | |
| 34 * such as the Display device and the Printer device. Devices | |
| 35 * can have a graphics context (GC) created for them, and they | |
| 36 * can be drawn on by sending messages to the associated GC. | |
| 259 | 37 * |
| 38 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
| 18 | 39 */ |
| 19 | 40 public abstract class Device : Drawable { |
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41 /** |
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42 * the handle to the X Display |
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43 * (Warning: This field is platform dependent) |
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44 * <p> |
| 71 | 45 * <b>IMPORTANT:</b> This field is <em>not</em> part of the DWT |
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46 * public API. It is marked protected only so that it can be shared |
| 71 | 47 * within the packages provided by DWT. It is not available on all |
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48 * platforms and should never be accessed from application code. |
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49 * </p> |
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50 */ |
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51 protected void* xDisplay; |
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52 GtkWidget* shellHandle; |
| 18 | 53 |
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54 /* Debugging */ |
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55 public static bool DEBUG = true; |
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56 bool debugging; |
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57 bool tracking; |
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58 Exception [] errors; |
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59 Object [] objects; |
| 240 | 60 Object trackingLock; |
| 18 | 61 |
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62 /* Colormap and reference count */ |
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63 GdkColor *[] gdkColors; |
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64 int [] colorRefCount; |
| 18 | 65 |
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66 /* Disposed flag */ |
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67 bool disposed; |
| 18 | 68 |
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69 /* Warning and Error Handlers */ |
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70 //int /*long*/ logProcFld; |
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71 //GLogFunc logCallback; |
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72 //NOT DONE - get list of valid names |
| 238 | 73 String [] log_domains = ["GLib-GObject"[], "GLib", "GObject", "Pango", "ATK", "GdkPixbuf", "Gdk", "Gtk", "GnomeVFS"]; |
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74 int [] handler_ids;// = new int [log_domains.length]; |
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75 int warningLevel; |
| 18 | 76 |
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77 /* X Warning and Error Handlers */ |
| 19 | 78 static extern(C) int function(void *) mXIOErrorHandler; |
| 79 static extern(C) int function(void *, XErrorEvent *) mXErrorHandler; | |
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80 //static int mXErrorCallback, mXIOErrorCallback; |
| 19 | 81 |
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82 static int /*long*/ XErrorProc, XIOErrorProc, XNullErrorProc, XNullIOErrorProc; |
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83 static Device[] Devices; |
| 18 | 84 |
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85 /* |
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86 * The following colors are listed in the Windows |
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87 * Programmer's Reference as the colors in the default |
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88 * palette. |
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89 */ |
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90 Color COLOR_BLACK, COLOR_DARK_RED, COLOR_DARK_GREEN, COLOR_DARK_YELLOW, COLOR_DARK_BLUE; |
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91 Color COLOR_DARK_MAGENTA, COLOR_DARK_CYAN, COLOR_GRAY, COLOR_DARK_GRAY, COLOR_RED; |
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92 Color COLOR_GREEN, COLOR_YELLOW, COLOR_BLUE, COLOR_MAGENTA, COLOR_CYAN, COLOR_WHITE; |
| 18 | 93 |
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94 /* System Font */ |
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95 Font systemFont; |
| 18 | 96 |
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97 PangoTabArray* emptyTab; |
| 18 | 98 |
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99 bool useXRender; |
| 18 | 100 |
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101 static bool CAIRO_LOADED; |
| 18 | 102 |
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103 /* |
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104 * TEMPORARY CODE. When a graphics object is |
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105 * created and the device parameter is null, |
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106 * the current Display is used. This presents |
| 71 | 107 * a problem because DWT graphics does not |
| 108 * reference classes in DWT widgets. The correct | |
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109 * fix is to remove this feature. Unfortunately, |
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110 * too many application programs rely on this |
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111 * feature. |
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112 * |
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113 * This code will be removed in the future. |
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114 */ |
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115 protected static Device CurrentDevice; |
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116 protected static Runnable DeviceFinder; |
| 18 | 117 |
| 104 | 118 //synchronized static void static_this(){ |
| 119 // CREATE_LOCK = new Object(); | |
| 120 // Devices = new Device[4]; | |
| 121 //} | |
| 18 | 122 /* |
| 123 * TEMPORARY CODE. | |
| 124 */ | |
| 125 static synchronized Device getDevice () { | |
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126 if (DeviceFinder !is null) DeviceFinder.run(); |
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127 Device device = CurrentDevice; |
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128 CurrentDevice = null; |
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129 return device; |
| 18 | 130 } |
| 131 | |
| 132 /** | |
| 133 * Constructs a new instance of this class. | |
| 134 * <p> | |
| 135 * You must dispose the device when it is no longer required. | |
| 136 * </p> | |
| 137 * | |
| 138 * @see #create | |
| 139 * @see #init | |
| 140 * | |
| 141 * @since 3.1 | |
| 142 */ | |
| 19 | 143 public this() { |
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144 this(null); |
| 18 | 145 } |
| 146 | |
| 147 /** | |
| 148 * Constructs a new instance of this class. | |
| 149 * <p> | |
| 150 * You must dispose the device when it is no longer required. | |
| 151 * </p> | |
| 152 * | |
| 153 * @param data the DeviceData which describes the receiver | |
| 154 * | |
| 155 * @see #create | |
| 156 * @see #init | |
| 157 * @see DeviceData | |
| 158 */ | |
| 19 | 159 public this(DeviceData data) { |
| 160 handler_ids = new int [log_domains.length]; | |
| 161 debugging = DEBUG; | |
| 162 tracking = DEBUG; | |
| 163 | |
| 104 | 164 synchronized ( this.classinfo ) { |
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165 if (data !is null) { |
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166 debugging = data.debugging; |
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167 tracking = data.tracking; |
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168 } |
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169 if (tracking) { |
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170 errors = new Exception [128]; |
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171 objects = new Object [128]; |
| 240 | 172 trackingLock = new Object (); |
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173 } |
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174 create (data); |
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175 init_ (); |
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176 register (this); |
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177 } |
| 18 | 178 } |
| 179 | |
| 180 void checkCairo() { | |
| 181 } | |
| 182 | |
| 183 /** | |
| 71 | 184 * Throws an <code>DWTException</code> if the receiver can not |
| 18 | 185 * be accessed by the caller. This may include both checks on |
| 186 * the state of the receiver and more generally on the entire | |
| 187 * execution context. This method <em>should</em> be called by | |
| 71 | 188 * device implementors to enforce the standard DWT invariants. |
| 18 | 189 * <p> |
| 190 * Currently, it is an error to invoke any method (other than | |
| 191 * <code>isDisposed()</code> and <code>dispose()</code>) on a | |
| 192 * device that has had its <code>dispose()</code> method called. | |
| 193 * </p><p> | |
| 71 | 194 * In future releases of DWT, there may be more or fewer error |
| 18 | 195 * checks and exceptions may be thrown for different reasons. |
| 196 * <p> | |
| 197 * | |
| 71 | 198 * @exception DWTException <ul> |
| 18 | 199 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| 200 * </ul> | |
| 201 */ | |
| 202 protected void checkDevice () { | |
| 71 | 203 if (disposed) DWT.error(DWT.ERROR_DEVICE_DISPOSED); |
| 18 | 204 } |
| 205 | |
| 206 /** | |
| 207 * Creates the device in the operating system. If the device | |
| 208 * does not have a handle, this method may do nothing depending | |
| 209 * on the device. | |
| 210 * <p> | |
| 211 * This method is called before <code>init</code>. | |
| 212 * </p><p> | |
| 213 * Subclasses are supposed to reimplement this method and not | |
| 214 * call the <code>super</code> implementation. | |
| 215 * </p> | |
| 216 * | |
| 217 * @param data the DeviceData which describes the receiver | |
| 218 * | |
| 219 * @see #init | |
| 220 */ | |
| 221 protected void create (DeviceData data) { | |
| 222 } | |
| 223 | |
| 224 /** | |
| 225 * Disposes of the operating system resources associated with | |
| 226 * the receiver. After this method has been invoked, the receiver | |
| 227 * will answer <code>true</code> when sent the message | |
| 228 * <code>isDisposed()</code>. | |
| 229 * | |
| 230 * @see #release | |
| 231 * @see #destroy | |
| 232 * @see #checkDevice | |
| 233 */ | |
| 234 public void dispose () { | |
| 240 | 235 synchronized (Device.classinfo) { |
| 236 if (isDisposed()) return; | |
| 237 checkDevice (); | |
| 238 release (); | |
| 239 destroy (); | |
| 240 deregister (this); | |
| 241 xDisplay = null; | |
| 242 disposed = true; | |
| 243 if (tracking) { | |
| 244 synchronized (trackingLock) { | |
| 245 objects = null; | |
| 246 errors = null; | |
| 247 trackingLock = null; | |
| 248 } | |
| 249 } | |
|
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250 } |
| 18 | 251 } |
| 252 | |
| 253 void dispose_Object (Object object) { | |
| 240 | 254 synchronized (trackingLock) { |
| 255 for (int i=0; i<objects.length; i++) { | |
| 256 if (objects [i] is object) { | |
| 257 objects [i] = null; | |
| 258 errors [i] = null; | |
| 259 return; | |
| 260 } | |
|
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261 } |
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262 } |
| 18 | 263 } |
| 264 | |
| 28 | 265 static synchronized Device findDevice (void* xDisplay) { |
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266 for (int i=0; i<Devices.length; i++) { |
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267 Device device = Devices [i]; |
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268 if (device !is null && device.xDisplay is xDisplay) { |
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269 return device; |
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270 } |
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271 } |
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272 return null; |
| 18 | 273 } |
| 274 | |
| 275 synchronized static void deregister (Device device) { | |
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276 for (int i=0; i<Devices.length; i++) { |
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277 if (device is Devices [i]) Devices [i] = null; |
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278 } |
| 18 | 279 } |
| 280 | |
| 281 /** | |
| 282 * Destroys the device in the operating system and releases | |
| 283 * the device's handle. If the device does not have a handle, | |
| 284 * this method may do nothing depending on the device. | |
| 285 * <p> | |
| 286 * This method is called after <code>release</code>. | |
| 287 * </p><p> | |
| 288 * Subclasses are supposed to reimplement this method and not | |
| 289 * call the <code>super</code> implementation. | |
| 290 * </p> | |
| 291 * | |
| 292 * @see #dispose | |
| 293 * @see #release | |
| 294 */ | |
| 295 protected void destroy () { | |
| 296 } | |
| 297 | |
| 298 /** | |
| 299 * Returns a rectangle describing the receiver's size and location. | |
| 300 * | |
| 301 * @return the bounding rectangle | |
| 302 * | |
| 71 | 303 * @exception DWTException <ul> |
| 18 | 304 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
| 305 * </ul> | |
| 306 */ | |
| 307 public Rectangle getBounds () { | |
|
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308 checkDevice (); |
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309 return new Rectangle(0, 0, 0, 0); |
| 18 | 310 } |
| 311 | |
| 312 /** | |
| 313 * Returns a <code>DeviceData</code> based on the receiver. | |
| 314 * Modifications made to this <code>DeviceData</code> will not | |
| 315 * affect the receiver. | |
| 316 * | |
| 317 * @return a <code>DeviceData</code> containing the device's data and attributes | |
| 318 * | |
| 71 | 319 * @exception DWTException <ul> |
| 18 | 320 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
| 321 * </ul> | |
| 322 * | |
| 323 * @see DeviceData | |
| 324 */ | |
| 325 public DeviceData getDeviceData () { | |
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326 checkDevice(); |
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327 DeviceData data = new DeviceData (); |
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328 data.debugging = debugging; |
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329 data.tracking = tracking; |
| 240 | 330 if (tracking) { |
| 331 synchronized (trackingLock) { | |
| 332 int count = 0, length = objects.length; | |
| 333 for (int i=0; i<length; i++) { | |
| 334 if (objects [i] !is null) count++; | |
| 335 } | |
| 336 int index = 0; | |
| 337 data.objects = new Object [count]; | |
| 338 data.errors = new Exception [count]; | |
| 339 for (int i=0; i<length; i++) { | |
| 340 if (objects [i] !is null) { | |
| 341 data.objects [index] = objects [i]; | |
| 342 data.errors [index] = errors [i]; | |
| 343 index++; | |
| 344 } | |
| 345 } | |
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346 } |
| 240 | 347 } else { |
| 348 data.objects = null; | |
| 349 data.errors = null; | |
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350 } |
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351 return data; |
| 18 | 352 } |
| 353 | |
| 354 /** | |
| 355 * Returns a rectangle which describes the area of the | |
| 356 * receiver which is capable of displaying data. | |
| 357 * | |
| 358 * @return the client area | |
| 359 * | |
| 71 | 360 * @exception DWTException <ul> |
| 18 | 361 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
| 362 * </ul> | |
| 363 * | |
| 364 * @see #getBounds | |
| 365 */ | |
| 366 public Rectangle getClientArea () { | |
|
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367 checkDevice (); |
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368 return getBounds (); |
| 18 | 369 } |
| 370 | |
| 371 /** | |
| 372 * Returns the bit depth of the screen, which is the number of | |
| 373 * bits it takes to represent the number of unique colors that | |
| 374 * the screen is currently capable of displaying. This number | |
| 375 * will typically be one of 1, 8, 15, 16, 24 or 32. | |
| 376 * | |
| 377 * @return the depth of the screen | |
| 378 * | |
| 71 | 379 * @exception DWTException <ul> |
| 18 | 380 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
| 381 * </ul> | |
| 382 */ | |
| 383 public int getDepth () { | |
|
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384 checkDevice (); |
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385 return 0; |
| 18 | 386 } |
| 387 | |
| 388 /** | |
| 389 * Returns a point whose x coordinate is the horizontal | |
| 390 * dots per inch of the display, and whose y coordinate | |
| 391 * is the vertical dots per inch of the display. | |
| 392 * | |
| 393 * @return the horizontal and vertical DPI | |
| 394 * | |
| 71 | 395 * @exception DWTException <ul> |
| 18 | 396 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
| 397 * </ul> | |
| 398 */ | |
| 399 public Point getDPI () { | |
|
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400 checkDevice (); |
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401 return new Point (72, 72); |
| 18 | 402 } |
| 403 | |
| 404 /** | |
| 405 * Returns <code>FontData</code> objects which describe | |
| 406 * the fonts that match the given arguments. If the | |
| 407 * <code>faceName</code> is null, all fonts will be returned. | |
| 408 * | |
| 409 * @param faceName the name of the font to look for, or null | |
| 410 * @param scalable if true only scalable fonts are returned, otherwise only non-scalable fonts are returned. | |
| 411 * @return the matching font data | |
| 412 * | |
| 71 | 413 * @exception DWTException <ul> |
| 18 | 414 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
| 415 * </ul> | |
| 416 */ | |
| 238 | 417 public FontData[] getFontList (String faceName, bool scalable) { |
|
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418 checkDevice (); |
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419 if (!scalable) return new FontData[0]; |
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420 PangoFontFamily* family; |
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421 PangoFontFace * face; |
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422 PangoFontFamily** families; |
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423 int n_families; |
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424 PangoFontFace ** faces; |
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425 int n_faces; |
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426 auto context = OS.gdk_pango_context_get(); |
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427 OS.pango_context_list_families(context, &families, &n_families); |
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428 int nFds = 0; |
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429 FontData[] fds = new FontData[faceName !is null ? 4 : n_families]; |
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430 for (int i=0; i<n_families; i++) { |
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431 family = families[i]; |
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432 bool match = true; |
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433 if (faceName !is null) { |
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434 auto familyName = OS.pango_font_family_get_name(family); |
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435 match = Compatibility.equalsIgnoreCase(faceName, fromStringz( familyName )); |
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436 } |
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437 if (match) { |
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438 OS.pango_font_family_list_faces(family, &faces, &n_faces); |
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439 for (int j=0; j<n_faces; j++) { |
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440 face = faces[j]; |
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441 auto fontDesc = OS.pango_font_face_describe(face); |
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442 Font font = Font.gtk_new(this, fontDesc); |
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443 FontData data = font.getFontData()[0]; |
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444 if (nFds is fds.length) { |
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445 FontData[] newFds = new FontData[fds.length + n_families]; |
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446 System.arraycopy(fds, 0, newFds, 0, nFds); |
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447 fds = newFds; |
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448 } |
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449 fds[nFds++] = data; |
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450 OS.pango_font_description_free(fontDesc); |
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451 } |
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452 OS.g_free(faces); |
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453 if (faceName !is null) break; |
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454 } |
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455 } |
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456 OS.g_free(families); |
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457 OS.g_object_unref(context); |
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458 if (nFds is fds.length) return fds; |
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459 FontData[] result = new FontData[nFds]; |
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460 System.arraycopy(fds, 0, result, 0, nFds); |
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461 return result; |
| 18 | 462 } |
| 463 | |
| 464 /** | |
| 465 * Returns the matching standard color for the given | |
| 466 * constant, which should be one of the color constants | |
| 71 | 467 * specified in class <code>DWT</code>. Any value other |
| 468 * than one of the DWT color constants which is passed | |
| 18 | 469 * in will result in the color black. This color should |
| 470 * not be freed because it was allocated by the system, | |
| 471 * not the application. | |
| 472 * | |
| 473 * @param id the color constant | |
| 474 * @return the matching color | |
| 475 * | |
| 71 | 476 * @exception DWTException <ul> |
| 18 | 477 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
| 478 * </ul> | |
| 479 * | |
| 71 | 480 * @see DWT |
| 18 | 481 */ |
| 482 public Color getSystemColor (int id) { | |
|
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483 checkDevice (); |
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484 switch (id) { |
| 71 | 485 case DWT.COLOR_BLACK: return COLOR_BLACK; |
| 486 case DWT.COLOR_DARK_RED: return COLOR_DARK_RED; | |
| 487 case DWT.COLOR_DARK_GREEN: return COLOR_DARK_GREEN; | |
| 488 case DWT.COLOR_DARK_YELLOW: return COLOR_DARK_YELLOW; | |
| 489 case DWT.COLOR_DARK_BLUE: return COLOR_DARK_BLUE; | |
| 490 case DWT.COLOR_DARK_MAGENTA: return COLOR_DARK_MAGENTA; | |
| 491 case DWT.COLOR_DARK_CYAN: return COLOR_DARK_CYAN; | |
| 492 case DWT.COLOR_GRAY: return COLOR_GRAY; | |
| 493 case DWT.COLOR_DARK_GRAY: return COLOR_DARK_GRAY; | |
| 494 case DWT.COLOR_RED: return COLOR_RED; | |
| 495 case DWT.COLOR_GREEN: return COLOR_GREEN; | |
| 496 case DWT.COLOR_YELLOW: return COLOR_YELLOW; | |
| 497 case DWT.COLOR_BLUE: return COLOR_BLUE; | |
| 498 case DWT.COLOR_MAGENTA: return COLOR_MAGENTA; | |
| 499 case DWT.COLOR_CYAN: return COLOR_CYAN; | |
| 500 case DWT.COLOR_WHITE: return COLOR_WHITE; | |
|
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501 default: |
|
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502 } |
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503 return COLOR_BLACK; |
| 18 | 504 } |
| 505 | |
| 506 /** | |
| 507 * Returns a reasonable font for applications to use. | |
| 508 * On some platforms, this will match the "default font" | |
| 509 * or "system font" if such can be found. This font | |
| 510 * should not be freed because it was allocated by the | |
| 511 * system, not the application. | |
| 512 * <p> | |
| 513 * Typically, applications which want the default look | |
| 514 * should simply not set the font on the widgets they | |
| 515 * create. Widgets are always created with the correct | |
| 516 * default font for the class of user-interface component | |
| 517 * they represent. | |
| 518 * </p> | |
| 519 * | |
| 520 * @return a font | |
| 521 * | |
| 71 | 522 * @exception DWTException <ul> |
| 18 | 523 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
| 524 * </ul> | |
| 525 */ | |
| 526 public Font getSystemFont () { | |
|
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527 checkDevice (); |
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528 return systemFont; |
| 18 | 529 } |
| 530 | |
| 531 /** | |
| 532 * Returns <code>true</code> if the underlying window system prints out | |
| 533 * warning messages on the console, and <code>setWarnings</code> | |
| 534 * had previously been called with <code>true</code>. | |
| 535 * | |
| 536 * @return <code>true</code>if warnings are being handled, and <code>false</code> otherwise | |
| 537 * | |
| 71 | 538 * @exception DWTException <ul> |
| 18 | 539 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
| 540 * </ul> | |
| 541 */ | |
| 19 | 542 public bool getWarnings () { |
|
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543 checkDevice (); |
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544 return warningLevel is 0; |
| 18 | 545 } |
| 546 | |
| 547 /** | |
| 548 * Initializes any internal resources needed by the | |
| 549 * device. | |
| 550 * <p> | |
| 551 * This method is called after <code>create</code>. | |
| 552 * </p><p> | |
| 553 * If subclasses reimplement this method, they must | |
| 554 * call the <code>super</code> implementation. | |
| 555 * </p> | |
| 556 * | |
| 557 * @see #create | |
| 558 */ | |
|
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559 protected void init_ () { |
|
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560 if (xDisplay !is null) { |
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561 int event_basep, error_basep; |
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562 if (OS.XRenderQueryExtension (xDisplay, &event_basep, &error_basep)) { |
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563 int major_version, minor_version; |
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564 OS.XRenderQueryVersion (xDisplay, &major_version, &minor_version); |
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565 useXRender = major_version > 0 || (major_version is 0 && minor_version >= 8); |
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566 } |
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567 } |
| 18 | 568 |
|
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569 if (debugging) { |
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570 if (xDisplay !is null) { |
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571 /* Create the warning and error callbacks */ |
| 104 | 572 synchronized (this.classinfo) { |
|
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573 int index = 0; |
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574 while (index < Devices.length) { |
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575 if (Devices [index] !is null) break; |
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576 index++; |
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577 } |
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578 if (index is Devices.length) { |
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579 OS.XSetErrorHandler ( & XErrorProcFunc ); |
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580 OS.XSetIOErrorHandler ( & XIOErrorProcFunc ); |
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581 } |
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582 } |
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583 OS.XSynchronize (xDisplay, true); |
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584 } |
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585 } |
| 18 | 586 |
|
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587 /* Create GTK warnings and error callbacks */ |
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588 if (xDisplay !is null) { |
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589 /* Set GTK warning and error handlers */ |
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590 if (debugging) { |
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591 int flags = OS.G_LOG_LEVEL_MASK | OS.G_LOG_FLAG_FATAL | OS.G_LOG_FLAG_RECURSION; |
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592 for (int i=0; i<log_domains.length; i++) { |
|
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593 handler_ids [i] = OS.g_log_set_handler (log_domains [i].toStringzValidPtr(), flags, & logFunction, cast(void*)this); |
|
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594 } |
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595 } |
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596 } |
| 18 | 597 |
| 19 | 598 /* Create the standard colors */ |
|
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599 COLOR_BLACK = new Color (this, 0,0,0); |
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600 COLOR_DARK_RED = new Color (this, 0x80,0,0); |
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601 COLOR_DARK_GREEN = new Color (this, 0,0x80,0); |
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602 COLOR_DARK_YELLOW = new Color (this, 0x80,0x80,0); |
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603 COLOR_DARK_BLUE = new Color (this, 0,0,0x80); |
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604 COLOR_DARK_MAGENTA = new Color (this, 0x80,0,0x80); |
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605 COLOR_DARK_CYAN = new Color (this, 0,0x80,0x80); |
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606 COLOR_GRAY = new Color (this, 0xC0,0xC0,0xC0); |
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607 COLOR_DARK_GRAY = new Color (this, 0x80,0x80,0x80); |
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608 COLOR_RED = new Color (this, 0xFF,0,0); |
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609 COLOR_GREEN = new Color (this, 0,0xFF,0); |
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610 COLOR_YELLOW = new Color (this, 0xFF,0xFF,0); |
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611 COLOR_BLUE = new Color (this, 0,0,0xFF); |
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612 COLOR_MAGENTA = new Color (this, 0xFF,0,0xFF); |
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613 COLOR_CYAN = new Color (this, 0,0xFF,0xFF); |
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614 COLOR_WHITE = new Color (this, 0xFF,0xFF,0xFF); |
| 18 | 615 |
|
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616 emptyTab = OS.pango_tab_array_new(1, false); |
| 71 | 617 if (emptyTab is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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618 OS.pango_tab_array_set_tab(emptyTab, 0, OS.PANGO_TAB_LEFT, 1); |
| 18 | 619 |
|
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620 shellHandle = OS.gtk_window_new(OS.GTK_WINDOW_TOPLEVEL); |
| 71 | 621 if (shellHandle is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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622 OS.gtk_widget_realize(shellHandle); |
| 240 | 623 |
| 624 /* Initialize the system font slot */ | |
| 625 systemFont = getSystemFont (); | |
| 18 | 626 } |
| 627 | |
| 628 /** | |
| 629 * Invokes platform specific functionality to allocate a new GC handle. | |
| 630 * <p> | |
| 631 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public | |
| 632 * API for <code>Device</code>. It is marked public only so that it | |
| 71 | 633 * can be shared within the packages provided by DWT. It is not |
| 18 | 634 * available on all platforms, and should never be called from |
| 635 * application code. | |
| 636 * </p> | |
| 637 * | |
| 638 * @param data the platform specific GC data | |
| 639 * @return the platform specific GC handle | |
| 640 */ | |
| 19 | 641 public abstract GdkGC* internal_new_GC (GCData data); |
| 18 | 642 |
| 643 /** | |
| 644 * Invokes platform specific functionality to dispose a GC handle. | |
| 645 * <p> | |
| 646 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public | |
| 647 * API for <code>Device</code>. It is marked public only so that it | |
| 71 | 648 * can be shared within the packages provided by DWT. It is not |
| 18 | 649 * available on all platforms, and should never be called from |
| 650 * application code. | |
| 651 * </p> | |
| 652 * | |
| 653 * @param hDC the platform specific GC handle | |
| 654 * @param data the platform specific GC data | |
| 655 */ | |
| 19 | 656 public abstract void internal_dispose_GC (GdkGC* handle, GCData data); |
| 18 | 657 |
| 658 /** | |
| 659 * Returns <code>true</code> if the device has been disposed, | |
| 660 * and <code>false</code> otherwise. | |
| 661 * <p> | |
| 662 * This method gets the dispose state for the device. | |
| 663 * When a device has been disposed, it is an error to | |
| 664 * invoke any other method using the device. | |
| 665 * | |
| 666 * @return <code>true</code> when the device is disposed and <code>false</code> otherwise | |
| 667 */ | |
| 19 | 668 public bool isDisposed () { |
| 240 | 669 synchronized (Device.classinfo) { |
| 670 return disposed; | |
| 671 } | |
| 18 | 672 } |
| 673 | |
| 674 /** | |
| 675 * Loads the font specified by a file. The font will be | |
| 676 * present in the list of fonts available to the application. | |
| 677 * | |
| 678 * @param path the font file path | |
| 679 * @return whether the font was successfully loaded | |
| 680 * | |
| 71 | 681 * @exception DWTException <ul> |
| 18 | 682 * <li>ERROR_NULL_ARGUMENT - if path is null</li> |
| 683 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> | |
| 684 * </ul> | |
| 685 * | |
| 686 * @see Font | |
| 687 * | |
| 688 * @since 3.3 | |
| 689 */ | |
| 238 | 690 public bool loadFont (String path) { |
|
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691 checkDevice(); |
| 71 | 692 if (path is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); |
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693 return cast(bool) OS.FcConfigAppFontAddFile (null, path.toStringzValidPtr()); |
| 18 | 694 } |
| 695 | |
|
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696 private static extern(C) void logFunction (char* log_domain, int log_level, char* message, void* user_data) { |
| 19 | 697 Device dev = cast(Device)user_data; |
|
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698 if (dev.warningLevel is 0) { |
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699 if (DEBUG || dev.debugging) { |
| 312 | 700 ExceptionPrintStackTrace(new Exception ("")); |
|
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701 } |
|
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|
702 OS.g_log_default_handler (log_domain, log_level, message, user_data); |
|
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703 } |
|
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|
704 return 0; |
| 18 | 705 } |
| 706 | |
| 707 void new_Object (Object object) { | |
| 240 | 708 synchronized (trackingLock) { |
| 709 for (int i=0; i<objects.length; i++) { | |
| 710 if (objects [i] is null) { | |
| 711 objects [i] = object; | |
| 712 errors [i] = new Exception (""); | |
| 713 return; | |
| 714 } | |
|
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|
715 } |
| 240 | 716 Object [] newObjects = new Object [objects.length + 128]; |
| 717 System.arraycopy (objects, 0, newObjects, 0, objects.length); | |
| 718 newObjects [objects.length] = object; | |
| 719 objects = newObjects; | |
| 720 Exception [] newErrors = new Exception [errors.length + 128]; | |
| 721 System.arraycopy (errors, 0, newErrors, 0, errors.length); | |
| 722 newErrors [errors.length] = new Exception (""); | |
| 723 errors = newErrors; | |
|
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724 } |
| 18 | 725 } |
| 726 | |
| 727 static synchronized void register (Device device) { | |
|
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728 for (int i=0; i<Devices.length; i++) { |
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729 if (Devices [i] is null) { |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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730 Devices [i] = device; |
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731 return; |
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732 } |
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|
733 } |
|
25
fc2b263b8a3f
Merged back the System.arraycopy and use a System class
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changeset
|
734 Device [] newDevices = new Device [Devices.length + 4]; |
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Merged back the System.arraycopy and use a System class
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|
735 System.arraycopy (Devices, 0, newDevices, 0, Devices.length); |
|
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Merged back the System.arraycopy and use a System class
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|
736 newDevices [Devices.length] = device; |
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|
737 Devices = newDevices; |
| 18 | 738 } |
| 739 | |
| 740 /** | |
| 741 * Releases any internal resources back to the operating | |
| 742 * system and clears all fields except the device handle. | |
| 743 * <p> | |
| 744 * When a device is destroyed, resources that were acquired | |
| 745 * on behalf of the programmer need to be returned to the | |
| 746 * operating system. For example, if the device allocated a | |
| 747 * font to be used as the system font, this font would be | |
| 748 * freed in <code>release</code>. Also,to assist the garbage | |
| 749 * collector and minimize the amount of memory that is not | |
| 750 * reclaimed when the programmer keeps a reference to a | |
| 751 * disposed device, all fields except the handle are zero'd. | |
| 752 * The handle is needed by <code>destroy</code>. | |
| 753 * </p> | |
| 754 * This method is called before <code>destroy</code>. | |
| 755 * </p><p> | |
| 756 * If subclasses reimplement this method, they must | |
| 757 * call the <code>super</code> implementation. | |
| 758 * </p> | |
| 759 * | |
| 760 * @see #dispose | |
| 761 * @see #destroy | |
| 762 */ | |
| 763 protected void release () { | |
|
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764 if (shellHandle !is null) OS.gtk_widget_destroy(shellHandle); |
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765 shellHandle = null; |
| 18 | 766 |
|
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|
767 if (gdkColors !is null) { |
|
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|
768 auto colormap = OS.gdk_colormap_get_system(); |
|
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|
769 for (int i = 0; i < gdkColors.length; i++) { |
|
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|
770 GdkColor* color = gdkColors [i]; |
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|
771 if (color !is null) { |
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|
772 while (colorRefCount [i] > 0) { |
|
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|
773 OS.gdk_colormap_free_colors(colormap, color, 1); |
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|
774 --colorRefCount [i]; |
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775 } |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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776 } |
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|
777 } |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
778 } |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
779 gdkColors = null; |
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|
780 colorRefCount = null; |
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781 COLOR_BLACK = COLOR_DARK_RED = COLOR_DARK_GREEN = COLOR_DARK_YELLOW = COLOR_DARK_BLUE = |
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782 COLOR_DARK_MAGENTA = COLOR_DARK_CYAN = COLOR_GRAY = COLOR_DARK_GRAY = COLOR_RED = |
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783 COLOR_GREEN = COLOR_YELLOW = COLOR_BLUE = COLOR_MAGENTA = COLOR_CYAN = COLOR_WHITE = null; |
| 18 | 784 |
|
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785 if (emptyTab !is null ) OS.pango_tab_array_free(emptyTab); |
|
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|
786 emptyTab = null; |
| 18 | 787 |
|
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788 /* Free the GTK error and warning handler */ |
|
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789 if (xDisplay !is null) { |
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790 for (int i=0; i<handler_ids.length; i++) { |
|
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|
791 if (handler_ids [i] !is 0 ) { |
|
255
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792 OS.g_log_remove_handler (log_domains [i].toStringzValidPtr(), handler_ids [i]); |
|
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793 handler_ids [i] = 0; |
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794 } |
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795 } |
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796 //logCallback.dispose (); logCallback = null; |
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797 handler_ids = null; log_domains = null; |
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798 //logProcFld = 0; |
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|
799 } |
| 18 | 800 } |
| 801 | |
| 802 /** | |
| 803 * If the underlying window system supports printing warning messages | |
| 804 * to the console, setting warnings to <code>false</code> prevents these | |
| 805 * messages from being printed. If the argument is <code>true</code> then | |
| 806 * message printing is not blocked. | |
| 807 * | |
| 808 * @param warnings <code>true</code>if warnings should be printed, and <code>false</code> otherwise | |
| 809 * | |
| 71 | 810 * @exception DWTException <ul> |
| 18 | 811 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
| 812 * </ul> | |
| 813 */ | |
| 19 | 814 public void setWarnings (bool warnings) { |
|
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|
815 checkDevice (); |
|
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|
816 if (warnings) { |
|
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817 if (--warningLevel is 0) { |
|
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818 if (debugging) return; |
| 19 | 819 for (int i=0; i<handler_ids.length; i++) { |
| 54 | 820 if (handler_ids [i] !is 0) { |
|
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821 OS.g_log_remove_handler (log_domains [i].toStringzValidPtr(), handler_ids [i]); |
| 19 | 822 handler_ids [i] = 0; |
| 823 } | |
| 824 } | |
|
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825 } |
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826 } else { |
|
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827 if (warningLevel++ is 0) { |
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828 if (debugging) return; |
| 19 | 829 int flags = OS.G_LOG_LEVEL_MASK | OS.G_LOG_FLAG_FATAL | OS.G_LOG_FLAG_RECURSION; |
| 830 for (int i=0; i<log_domains.length; i++) { | |
|
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831 handler_ids [i] = OS.g_log_set_handler (log_domains [i].toStringzValidPtr(), flags, & logFunction, cast(void*)this ); |
| 19 | 832 } |
|
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833 } |
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834 } |
| 18 | 835 } |
| 836 | |
| 28 | 837 private static extern(C) int /*long*/ XErrorProcFunc (void* xDisplay, dwt.internal.gtk.OS.XErrorEvent* xErrorEvent) { |
|
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838 Device device = findDevice (xDisplay); |
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839 if (device !is null) { |
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840 if (device.warningLevel is 0) { |
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841 if (DEBUG || device.debugging) { |
|
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842 foreach( msg; (new Exception ("")).info ){ |
|
361
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843 getDwtLogger().error( "{}", msg ); |
| 19 | 844 } |
|
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845 } |
| 19 | 846 //PORTING_FIXME ?? |
|
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847 //OS.Call (XErrorProc, xDisplay, xErrorEvent); |
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848 } |
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849 } else { |
| 71 | 850 if (DEBUG) (new DWTError ()).printStackTrace (); |
| 19 | 851 //PORTING_FIXME ?? |
|
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852 //OS.Call (XErrorProc, xDisplay, xErrorEvent); |
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853 } |
|
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854 return 0; |
| 18 | 855 } |
| 856 | |
| 28 | 857 private static extern(C) int /*long*/ XIOErrorProcFunc (void* xDisplay) { |
|
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858 Device device = findDevice (xDisplay); |
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859 if (device !is null) { |
|
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|
860 if (DEBUG || device.debugging) { |
|
158
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|
861 foreach( msg; (new Exception ("")).info ){ |
|
361
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|
862 getDwtLogger().error( "trc {}", msg ); |
| 19 | 863 } |
| 864 } | |
|
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865 } else { |
|
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changeset
|
866 if (DEBUG) { |
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158
de2578a843a7
Tango update to rev 3158, TracedException>Exception, fromUtf8z>fromStringz,Fix Bug in MenuItem Thanx to nascent for the report.
Frank Benoit <benoit@tionex.de>
parents:
104
diff
changeset
|
867 foreach( msg; (new Exception ("")).info ){ |
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361
4bffbf81e2d6
redirect direct prints to DwtLogger
Frank Benoit <benoit@tionex.de>
parents:
312
diff
changeset
|
868 getDwtLogger().error( "{}", msg ); |
|
59
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
Frank Benoit <benoit@tionex.de>
parents:
55
diff
changeset
|
869 } |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
Frank Benoit <benoit@tionex.de>
parents:
55
diff
changeset
|
870 } |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
Frank Benoit <benoit@tionex.de>
parents:
55
diff
changeset
|
871 } |
| 19 | 872 //PORTING_FIXME ?? |
|
59
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
Frank Benoit <benoit@tionex.de>
parents:
55
diff
changeset
|
873 //OS.Call (XIOErrorProc, xDisplay, 0); |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
Frank Benoit <benoit@tionex.de>
parents:
55
diff
changeset
|
874 return 0; |
| 18 | 875 } |
| 876 | |
| 877 } |