Mercurial > projects > dwt-linux
annotate dwt/widgets/FileDialog.d @ 265:07d9ed8927b6
Add version TANGOSVN
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 06 Jul 2008 15:34:21 +0200 |
| parents | c0d810de7093 |
| children | d472fae79005 |
| rev | line source |
|---|---|
|
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1 /******************************************************************************* |
| 259 | 2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
| 80 | 3 * All rights reserved. This program and the accompanying materials |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 108 | 10 * Port to the D programming language: |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 80 | 12 *******************************************************************************/ |
| 13 module dwt.widgets.FileDialog; | |
| 14 | |
| 15 | |
| 16 | |
| 17 import dwt.DWT; | |
| 18 import dwt.DWTException; | |
| 19 import dwt.internal.gtk.OS; | |
| 20 import dwt.widgets.Dialog; | |
| 21 import dwt.widgets.Shell; | |
| 22 import dwt.widgets.Display; | |
|
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import dwt.dwthelper.utils now explicit
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23 import dwt.dwthelper.utils; |
| 80 | 24 |
| 265 | 25 version(TANGOSVN) |
| 26 static import tango.io.model.IFile; | |
| 27 } | |
| 28 else{ | |
| 29 static import tango.io.FileConst; | |
| 30 } | |
| 80 | 31 static import tango.text.Util; |
| 32 static import tango.text.Text; | |
| 33 | |
| 34 /** | |
| 35 * Instances of this class allow the user to navigate | |
| 36 * the file system and select or enter a file name. | |
| 37 * <dl> | |
| 38 * <dt><b>Styles:</b></dt> | |
| 39 * <dd>SAVE, OPEN, MULTI</dd> | |
| 40 * <dt><b>Events:</b></dt> | |
| 41 * <dd>(none)</dd> | |
| 42 * </dl> | |
| 43 * <p> | |
| 44 * Note: Only one of the styles SAVE and OPEN may be specified. | |
| 45 * </p><p> | |
| 46 * IMPORTANT: This class is intended to be subclassed <em>only</em> | |
| 47 * within the DWT implementation. | |
| 48 * </p> | |
| 265 | 49 * |
| 259 | 50 * @see <a href="http://www.eclipse.org/swt/snippets/#filedialog">FileDialog snippets</a> |
| 51 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample, Dialog tab</a> | |
| 52 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
| 80 | 53 */ |
| 54 public class FileDialog : Dialog { | |
| 238 | 55 String [] filterNames; |
| 56 String [] filterExtensions; | |
| 57 String filterPath = ""; | |
| 58 String fileName = ""; | |
| 59 String[] fileNames; | |
| 60 String fullPath = ""; | |
| 240 | 61 int filterIndex = -1; |
| 62 bool overwrite = false; | |
| 80 | 63 GtkWidget* handle; |
| 265 | 64 version(TANGOSVN) |
| 65 static final char SEPARATOR = tango.io.model.IFile.FileConst.PathSeparatorChar; | |
| 66 } | |
| 67 else{ | |
| 80 | 68 static final char SEPARATOR = tango.io.FileConst.FileConst.PathSeparatorChar; |
| 265 | 69 } |
| 80 | 70 static final char EXTENSION_SEPARATOR = ';'; |
| 71 | |
| 72 /** | |
| 73 * Constructs a new instance of this class given only its parent. | |
| 74 * | |
| 75 * @param parent a shell which will be the parent of the new instance | |
| 76 * | |
| 77 * @exception IllegalArgumentException <ul> | |
| 78 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 79 * </ul> | |
| 80 * @exception DWTException <ul> | |
| 81 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 82 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 83 * </ul> | |
| 84 */ | |
| 85 public this (Shell parent) { | |
| 240 | 86 this (parent, DWT.APPLICATION_MODAL); |
| 80 | 87 } |
| 88 /** | |
| 89 * Constructs a new instance of this class given its parent | |
| 90 * and a style value describing its behavior and appearance. | |
| 91 * <p> | |
| 92 * The style value is either one of the style constants defined in | |
| 93 * class <code>DWT</code> which is applicable to instances of this | |
| 94 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 95 * (that is, using the <code>int</code> "|" operator) two or more | |
| 96 * of those <code>DWT</code> style constants. The class description | |
| 97 * lists the style constants that are applicable to the class. | |
| 98 * Style bits are also inherited from superclasses. | |
| 99 * </p> | |
| 100 * | |
| 101 * @param parent a shell which will be the parent of the new instance | |
| 102 * @param style the style of dialog to construct | |
| 103 * | |
| 104 * @exception IllegalArgumentException <ul> | |
| 105 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 106 * </ul> | |
| 107 * @exception DWTException <ul> | |
| 108 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 109 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 110 * </ul> | |
| 111 */ | |
| 112 public this (Shell parent, int style) { | |
| 240 | 113 super (parent, checkStyle (parent, style)); |
| 80 | 114 checkSubclass (); |
| 115 } | |
| 238 | 116 String computeResultChooserDialog () { |
| 80 | 117 /* MULTI is only valid if the native dialog's action is Open */ |
| 118 fullPath = null; | |
| 119 if ((style & (DWT.SAVE | DWT.MULTI)) is DWT.MULTI) { | |
| 120 auto list = OS.gtk_file_chooser_get_filenames (handle); | |
| 121 int listLength = OS.g_slist_length (list); | |
| 238 | 122 fileNames = new String [listLength]; |
| 80 | 123 auto current = list; |
| 124 int writePos = 0; | |
| 125 for (int i = 0; i < listLength; i++) { | |
| 126 auto name = cast(char*)OS.g_slist_data (current); | |
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127 uint items_written; |
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128 char* utf8Ptr = OS.g_filename_to_utf8 (name, -1, null, &items_written, null); |
| 80 | 129 OS.g_free (name); |
| 130 if (utf8Ptr !is null) { | |
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131 fullPath = utf8Ptr[ 0 .. items_written ].dup; |
| 80 | 132 int start = tango.text.Util.locatePrior( fullPath, SEPARATOR); |
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133 if( start is fullPath.length ) start = -1; |
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134 fileNames [writePos++] = fullPath[ start + 1 .. $ ].dup; |
| 80 | 135 OS.g_free (utf8Ptr); |
| 136 } | |
| 137 current = OS.g_slist_next (current); | |
| 138 } | |
| 139 if (writePos !is 0 && writePos !is listLength) { | |
| 238 | 140 String [] validFileNames = new String [writePos]; |
| 80 | 141 System.arraycopy (fileNames, 0, validFileNames, 0, writePos); |
| 142 fileNames = validFileNames; | |
| 143 } | |
| 144 OS.g_slist_free (list); | |
| 145 } else { | |
| 146 auto path = OS.gtk_file_chooser_get_filename (handle); | |
| 147 if (path !is null) { | |
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148 uint items_written; |
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149 auto utf8Ptr = OS.g_filename_to_utf8 (path, -1, null, &items_written, null); |
| 80 | 150 OS.g_free (path); |
| 151 if (utf8Ptr !is null) { | |
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152 fullPath = utf8Ptr[ 0 .. items_written ].dup; |
| 238 | 153 fileNames = new String [1]; |
| 80 | 154 int start = tango.text.Util.locatePrior( fullPath, SEPARATOR); |
| 155 if( start == fullPath.length ) start = -1; | |
| 156 fileNames[0] = fullPath[ start + 1 .. $ ]; | |
| 157 OS.g_free (utf8Ptr); | |
| 158 } | |
| 159 } | |
| 160 } | |
| 240 | 161 filterIndex = -1; |
| 162 auto filter = OS.gtk_file_chooser_get_filter (handle); | |
| 163 if (filter !is null) { | |
| 164 auto filterNamePtr = OS.gtk_file_filter_get_name (filter); | |
| 165 if (filterNamePtr !is null) { | |
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166 String filterName = fromStringz(filterNamePtr).dup; |
| 240 | 167 //OS.g_free (filterNamePtr); //GTK owns this pointer - do not free |
| 168 for (int i = 0; i < filterExtensions.length; i++) { | |
| 169 if (filterNames.length > 0) { | |
| 170 if (filterNames[i].equals(filterName)) { | |
| 171 filterIndex = i; | |
| 172 break; | |
| 173 } | |
| 174 } else { | |
| 175 if (filterExtensions[i].equals(filterName)) { | |
| 176 filterIndex = i; | |
| 177 break; | |
| 178 } | |
| 179 } | |
| 180 } | |
| 181 } | |
| 182 } | |
| 80 | 183 if (fullPath !is null) { |
| 184 int separatorIndex = tango.text.Util.locatePrior( fullPath, SEPARATOR); | |
| 185 if( separatorIndex is fullPath.length ) separatorIndex = -1; | |
| 186 fileName = fullPath[separatorIndex + 1 .. $ ]; | |
| 187 filterPath = fullPath[0 .. separatorIndex ]; | |
| 188 } | |
| 189 return fullPath; | |
| 190 } | |
| 238 | 191 String computeResultClassicDialog () { |
| 240 | 192 filterIndex = -1; |
| 80 | 193 GtkFileSelection* selection = cast(GtkFileSelection*)handle; |
| 194 auto entry = selection.selection_entry; | |
| 195 auto entryText = OS.gtk_entry_get_text (entry); | |
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196 String txt = fromStringz( entryText ); |
| 80 | 197 if (txt.length is 0) { |
| 198 auto fileList = selection.file_list; | |
| 199 auto listSelection = OS.gtk_tree_view_get_selection (fileList); | |
| 200 void* model; | |
| 201 auto selectedList = OS.gtk_tree_selection_get_selected_rows (listSelection, &model); | |
| 202 if (selectedList is null) return null; | |
| 203 int listLength = OS.g_list_length (selectedList); | |
| 204 if (listLength is 0) { | |
| 205 OS.g_list_free (selectedList); | |
| 206 return null; | |
| 207 } | |
| 208 auto path = OS.g_list_nth_data (selectedList, 0); | |
| 209 char* ptr; | |
| 210 GtkTreeIter iter; | |
| 211 if (OS.gtk_tree_model_get_iter (&model, &iter, path)) { | |
| 212 OS.gtk_tree_model_get1 (&model, &iter, 0, cast(void**)&ptr); | |
| 213 } | |
| 214 for (int i = 0; i < listLength; i++) { | |
| 215 OS.gtk_tree_path_free (OS.g_list_nth_data (selectedList, i)); | |
| 216 } | |
| 217 OS.g_list_free (selectedList); | |
| 218 if (ptr is null) return null; | |
| 219 OS.gtk_entry_set_text (entry, ptr); | |
| 220 OS.g_free (ptr); | |
| 221 } | |
| 222 | |
| 223 auto fileNamePtr = OS.gtk_file_selection_get_filename (handle); | |
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224 uint items_written; |
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225 auto utf8Ptr = OS.g_filename_to_utf8 (fileNamePtr, -1, null, &items_written, null); |
| 238 | 226 String osAnswer = utf8Ptr[ 0 .. items_written ].dup; |
| 80 | 227 OS.g_free (utf8Ptr); |
| 228 | |
| 229 if (osAnswer.length is 0) return null; | |
| 230 int separatorIndex = tango.text.Util.locatePrior( osAnswer, SEPARATOR); | |
| 231 if (separatorIndex is osAnswer.length ) separatorIndex = -1; | |
| 232 if (separatorIndex+1 is osAnswer.length ) return null; | |
| 233 | |
| 238 | 234 String answer = fullPath = osAnswer; |
| 80 | 235 fileName = fullPath[ separatorIndex+1 .. $ ]; |
| 236 filterPath = fullPath[ 0 .. separatorIndex ]; | |
| 237 if ((style & DWT.MULTI) is 0) { | |
| 238 fileNames = [ fileName ]; | |
| 239 } else { | |
| 240 auto namesPtr = OS.gtk_file_selection_get_selections (handle); | |
| 241 auto namesPtr1 = namesPtr; | |
| 242 char* namePtr = namesPtr1[0]; | |
| 243 int length_ = 0; | |
| 244 while (namePtr !is null) { | |
| 245 length_++; | |
| 246 namePtr = namesPtr1[length_]; | |
| 247 } | |
| 238 | 248 fileNames = new String[](length_); |
| 80 | 249 for (int i = 0; i < length_; i++) { |
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250 utf8Ptr = OS.g_filename_to_utf8 (namesPtr [i], -1, null, &items_written, null); |
| 238 | 251 String name = utf8Ptr[ 0 .. items_written ].dup; |
| 80 | 252 int start = tango.text.Util.locatePrior( name, SEPARATOR); |
| 253 if( start == name.length ) start = -1; | |
| 254 fileNames [i] = name[ start + 1 .. $ ].dup; | |
| 255 OS.g_free (utf8Ptr); | |
| 256 } | |
| 257 OS.g_strfreev (namesPtr); | |
| 258 } | |
| 259 return answer; | |
| 260 } | |
| 261 /** | |
| 262 * Returns the path of the first file that was | |
| 263 * selected in the dialog relative to the filter path, or an | |
| 264 * empty string if no such file has been selected. | |
| 265 * | |
| 266 * @return the relative path of the file | |
| 267 */ | |
| 238 | 268 public String getFileName () { |
| 80 | 269 return fileName; |
| 270 } | |
| 271 /** | |
| 272 * Returns a (possibly empty) array with the paths of all files | |
| 273 * that were selected in the dialog relative to the filter path. | |
| 274 * | |
| 275 * @return the relative paths of the files | |
| 276 */ | |
| 238 | 277 public String [] getFileNames () { |
| 80 | 278 return fileNames; |
| 279 } | |
| 280 /** | |
| 281 * Returns the file extensions which the dialog will | |
| 282 * use to filter the files it shows. | |
| 283 * | |
| 284 * @return the file extensions filter | |
| 285 */ | |
| 238 | 286 public String [] getFilterExtensions () { |
| 80 | 287 return filterExtensions; |
| 288 } | |
| 289 /** | |
| 240 | 290 * Get the 0-based index of the file extension filter |
| 291 * which was selected by the user, or -1 if no filter | |
| 292 * was selected. | |
| 293 * <p> | |
| 294 * This is an index into the FilterExtensions array and | |
| 295 * the FilterNames array. | |
| 296 * </p> | |
| 297 * | |
| 298 * @return index the file extension filter index | |
| 299 * | |
| 300 * @see #getFilterExtensions | |
| 301 * @see #getFilterNames | |
| 302 * | |
| 303 * @since 3.4 | |
| 304 */ | |
| 305 public int getFilterIndex () { | |
| 306 return filterIndex; | |
| 307 } | |
| 308 /** | |
| 80 | 309 * Returns the names that describe the filter extensions |
| 310 * which the dialog will use to filter the files it shows. | |
| 311 * | |
| 312 * @return the list of filter names | |
| 313 */ | |
| 238 | 314 public String [] getFilterNames () { |
| 80 | 315 return filterNames; |
| 316 } | |
| 317 /** | |
| 318 * Returns the directory path that the dialog will use, or an empty | |
| 319 * string if this is not set. File names in this path will appear | |
| 320 * in the dialog, filtered according to the filter extensions. | |
| 321 * | |
| 322 * @return the directory path string | |
| 323 * | |
| 324 * @see #setFilterExtensions | |
| 325 */ | |
| 238 | 326 public String getFilterPath () { |
| 80 | 327 return filterPath; |
| 328 } | |
| 329 /** | |
| 240 | 330 * Returns the flag that the dialog will use to |
| 331 * determine whether to prompt the user for file | |
| 332 * overwrite if the selected file already exists. | |
| 333 * | |
| 334 * @return true if the dialog will prompt for file overwrite, false otherwise | |
| 335 * | |
| 336 * @since 3.4 | |
| 337 */ | |
| 338 public bool getOverwrite () { | |
| 339 return overwrite; | |
| 340 } | |
| 341 /** | |
| 80 | 342 * Makes the dialog visible and brings it to the front |
| 343 * of the display. | |
| 344 * | |
| 345 * @return a string describing the absolute path of the first selected file, | |
| 346 * or null if the dialog was cancelled or an error occurred | |
| 347 * | |
| 348 * @exception DWTException <ul> | |
| 349 * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li> | |
| 350 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li> | |
| 351 * </ul> | |
| 352 */ | |
| 238 | 353 public String open () { |
| 80 | 354 bool useChooserDialog = OS.GTK_VERSION >= OS.buildVERSION (2, 4, 10); |
| 355 if (useChooserDialog) { | |
| 356 return openChooserDialog (); | |
| 357 } else { | |
| 358 return openClassicDialog (); | |
| 359 } | |
| 360 } | |
| 238 | 361 String openChooserDialog () { |
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362 char* titleBytes = toStringz( title ); |
| 80 | 363 int action = (style & DWT.SAVE) !is 0 ? |
| 364 OS.GTK_FILE_CHOOSER_ACTION_SAVE : | |
| 365 OS.GTK_FILE_CHOOSER_ACTION_OPEN; | |
| 366 auto shellHandle = parent.topHandle (); | |
| 367 handle = OS.gtk_file_chooser_dialog_new2 ( | |
| 368 titleBytes, | |
| 369 shellHandle, | |
| 370 action, | |
| 371 OS.GTK_STOCK_CANCEL (), OS.GTK_RESPONSE_CANCEL, | |
| 372 OS.GTK_STOCK_OK (), OS.GTK_RESPONSE_OK); | |
| 373 auto pixbufs = OS.gtk_window_get_icon_list (shellHandle); | |
| 374 if (pixbufs !is null) { | |
| 375 OS.gtk_window_set_icon_list (handle, pixbufs); | |
| 376 OS.g_list_free (pixbufs); | |
| 377 } | |
| 378 presetChooserDialog (); | |
| 379 Display display = parent !is null ? parent.getDisplay (): Display.getCurrent (); | |
| 380 display.addIdleProc (); | |
| 238 | 381 String answer = null; |
| 240 | 382 Dialog oldModal = null; |
| 383 if (OS.gtk_window_get_modal (handle)) { | |
| 384 oldModal = display.getModalDialog (); | |
| 385 display.setModalDialog (this); | |
| 386 } | |
| 387 uint signalId = 0; | |
| 388 uint /*long*/ hookId = 0; | |
| 389 CallbackData emissionData; | |
| 390 emissionData.display = display; | |
| 391 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { | |
| 392 signalId = OS.g_signal_lookup (OS.map.ptr, OS.GTK_TYPE_WIDGET()); | |
| 393 emissionData.data = handle; | |
| 394 hookId = OS.g_signal_add_emission_hook (signalId, 0, &Display.emissionFunc, &emissionData, null); | |
| 395 } | |
| 396 int response = OS.gtk_dialog_run (handle); | |
| 397 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { | |
| 398 OS.g_signal_remove_emission_hook (signalId, hookId); | |
| 399 } | |
| 400 if (OS.gtk_window_get_modal (handle)) { | |
| 401 display.setModalDialog (oldModal); | |
| 402 } | |
| 403 if (response is OS.GTK_RESPONSE_OK) { | |
| 80 | 404 answer = computeResultChooserDialog (); |
| 405 } | |
| 406 display.removeIdleProc (); | |
| 407 OS.gtk_widget_destroy (handle); | |
| 408 return answer; | |
| 409 } | |
| 238 | 410 String openClassicDialog () { |
|
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411 char* titleBytes = toStringz( title ); |
| 80 | 412 handle = OS.gtk_file_selection_new (titleBytes); |
| 413 if (parent !is null) { | |
| 414 auto shellHandle = parent.topHandle (); | |
| 415 OS.gtk_window_set_transient_for (handle, shellHandle); | |
| 416 auto pixbufs = OS.gtk_window_get_icon_list (shellHandle); | |
| 417 if (pixbufs !is null) { | |
| 418 OS.gtk_window_set_icon_list (handle, pixbufs); | |
| 419 OS.g_list_free (pixbufs); | |
| 420 } | |
| 421 } | |
| 422 presetClassicDialog (); | |
| 423 Display display = parent !is null ? parent.getDisplay (): Display.getCurrent (); | |
| 424 display.addIdleProc (); | |
| 238 | 425 String answer = null; |
| 240 | 426 Dialog oldModal = null; |
| 427 if (OS.gtk_window_get_modal (handle)) { | |
| 428 oldModal = display.getModalDialog (); | |
| 429 display.setModalDialog (this); | |
| 430 } | |
| 431 int signalId = 0; | |
| 432 int /*long*/ hookId = 0; | |
| 433 CallbackData emissionData; | |
| 434 emissionData.display = display; | |
| 435 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { | |
| 436 signalId = OS.g_signal_lookup (OS.map.ptr, OS.GTK_TYPE_WIDGET()); | |
| 437 emissionData.data = handle; | |
| 438 hookId = OS.g_signal_add_emission_hook (signalId, 0, &Display.emissionFunc, &emissionData, null); | |
| 439 } | |
| 440 int response = OS.gtk_dialog_run (handle); | |
| 441 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { | |
| 442 OS.g_signal_remove_emission_hook (signalId, hookId); | |
| 443 } | |
| 444 if (OS.gtk_window_get_modal (handle)) { | |
| 445 display.setModalDialog (oldModal); | |
| 446 } | |
| 447 if (response is OS.GTK_RESPONSE_OK) { | |
| 80 | 448 answer = computeResultClassicDialog (); |
| 449 } | |
| 450 display.removeIdleProc (); | |
| 451 OS.gtk_widget_destroy (handle); | |
| 452 return answer; | |
| 453 } | |
| 454 void presetChooserDialog () { | |
| 455 /* MULTI is only valid if the native dialog's action is Open */ | |
| 456 if ((style & (DWT.SAVE | DWT.MULTI)) is DWT.MULTI) { | |
| 457 OS.gtk_file_chooser_set_select_multiple (handle, true); | |
| 458 } | |
| 459 if (filterPath is null) filterPath = ""; | |
| 460 if (fileName is null) fileName = ""; | |
| 461 if (filterPath.length > 0) { | |
| 462 tango.text.Text.Text!(char) stringBuffer = new tango.text.Text.Text!(char)(); | |
| 463 /* filename must be a full path */ | |
| 464 if (filterPath[0] !is SEPARATOR) { | |
| 465 stringBuffer.append (SEPARATOR); | |
| 466 } | |
| 467 stringBuffer.append (filterPath); | |
| 240 | 468 if (fileName.length > 0 && (style & DWT.SAVE) is 0) { |
| 469 if (filterPath[filterPath.length - 1 ] !is SEPARATOR) { | |
| 470 stringBuffer.append (SEPARATOR); | |
| 471 } | |
| 80 | 472 stringBuffer.append (fileName); |
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473 char* buffer = toStringz( stringBuffer.toString ()); |
| 240 | 474 /* |
| 475 * Bug in GTK. GtkFileChooser may crash on GTK versions 2.4.10 to 2.6 | |
| 476 * when setting a file name that is not a true canonical path. | |
| 477 * The fix is to use the canonical path. | |
| 478 */ | |
| 80 | 479 auto ptr = OS.realpath (buffer, null); |
| 480 if (ptr !is null) { | |
| 240 | 481 OS.gtk_file_chooser_set_filename (handle, ptr); |
| 482 OS.g_free (ptr); | |
| 483 } | |
| 484 } else { | |
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485 char* buffer = toStringz( stringBuffer.toString () ); |
| 240 | 486 /* |
| 487 * Bug in GTK. GtkFileChooser may crash on GTK versions 2.4.10 to 2.6 | |
| 488 * when setting a file name that is not a true canonical path. | |
| 489 * The fix is to use the canonical path. | |
| 490 */ | |
| 491 auto ptr = OS.realpath (buffer, null); | |
| 492 if (ptr !is null) { | |
| 493 OS.gtk_file_chooser_set_current_folder (handle, ptr); | |
| 494 OS.g_free (ptr); | |
| 495 } | |
| 80 | 496 } |
| 497 } else { | |
| 498 if (fileName.length > 0) { | |
| 499 if (fileName[0] is SEPARATOR) { | |
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500 char* buffer = toStringz(fileName); |
| 240 | 501 |
| 80 | 502 /* |
| 503 * Bug in GTK. GtkFileChooser may crash on GTK versions 2.4.10 to 2.6 | |
| 504 * when setting a file name that is not a true canonical path. | |
| 505 * The fix is to use the canonical path. | |
| 506 */ | |
| 507 auto ptr = OS.realpath (buffer, null); | |
| 508 if (ptr !is null) { | |
| 509 OS.gtk_file_chooser_set_filename (handle, ptr); | |
| 510 OS.g_free (ptr); | |
| 511 } | |
| 512 } | |
| 513 } | |
| 514 } | |
| 515 if ((style & DWT.SAVE) !is 0 && fileName.length > 0) { | |
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516 char* buffer = toStringz(fileName); |
| 80 | 517 OS.gtk_file_chooser_set_current_name (handle, buffer); |
| 518 } | |
| 240 | 519 if ((style & DWT.SAVE) !is 0) { |
| 520 if (OS.GTK_VERSION >= OS.buildVERSION (2, 8, 0)) { | |
| 521 OS.gtk_file_chooser_set_do_overwrite_confirmation (handle, overwrite); | |
| 522 } | |
| 523 } | |
| 80 | 524 |
| 525 /* Set the extension filters */ | |
| 526 if (filterNames is null) filterNames = null; | |
| 527 if (filterExtensions is null) filterExtensions = null; | |
| 240 | 528 GtkFileFilter* initialFilter = null; |
| 80 | 529 for (int i = 0; i < filterExtensions.length; i++) { |
| 530 if (filterExtensions [i] !is null) { | |
| 531 auto filter = OS.gtk_file_filter_new (); | |
| 532 if (filterNames.length > i && filterNames [i] !is null) { | |
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533 char* name = toStringz(filterNames [i]); |
| 80 | 534 OS.gtk_file_filter_set_name (filter, name); |
| 535 } else { | |
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536 char* name = toStringz(filterExtensions [i]); |
| 80 | 537 OS.gtk_file_filter_set_name (filter, name); |
| 538 } | |
| 539 int start = 0; | |
| 540 int index = tango.text.Util.locate( filterExtensions [i], EXTENSION_SEPARATOR ); | |
| 541 while (index !is filterExtensions [i].length ) { | |
| 238 | 542 String current = filterExtensions [i][ start .. index ]; |
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543 char* filterString = toStringz(current); |
| 80 | 544 OS.gtk_file_filter_add_pattern (filter, filterString); |
| 545 start = index + 1; | |
| 546 index = tango.text.Util.locate( filterExtensions [i], EXTENSION_SEPARATOR, start); | |
| 547 } | |
| 238 | 548 String current = filterExtensions [i][ start .. $ ]; |
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549 char* filterString = toStringz(current); |
| 80 | 550 OS.gtk_file_filter_add_pattern (filter, filterString); |
| 551 OS.gtk_file_chooser_add_filter (handle, filter); | |
| 240 | 552 if (i is filterIndex) { |
| 553 initialFilter = filter; | |
| 554 } | |
| 80 | 555 } |
| 556 } | |
| 240 | 557 if (initialFilter !is null) { |
| 558 OS.gtk_file_chooser_set_filter(handle, initialFilter); | |
| 559 } | |
| 80 | 560 fullPath = null; |
| 561 fileNames = null; | |
| 562 } | |
| 563 void presetClassicDialog () { | |
| 564 OS.gtk_file_selection_set_select_multiple(handle, (style & DWT.MULTI) !is 0); | |
| 565 | |
| 566 /* Calculate the fully-specified file name and convert to bytes */ | |
| 567 tango.text.Text.Text!(char) stringBuffer = new tango.text.Text.Text!(char)(); | |
| 568 if (filterPath is null) { | |
| 569 filterPath = ""; | |
| 570 } else { | |
| 571 if (filterPath.length > 0) { | |
| 572 stringBuffer.append (filterPath); | |
| 573 if (filterPath[filterPath.length - 1] !is SEPARATOR) { | |
| 574 stringBuffer.append (SEPARATOR); | |
| 575 } | |
| 576 } | |
| 577 } | |
| 578 if (fileName is null) { | |
| 579 fileName = ""; | |
| 580 } else { | |
| 581 stringBuffer.append (fileName); | |
| 582 } | |
| 583 fullPath = stringBuffer.toString (); | |
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584 auto fileNamePtr = OS.g_filename_from_utf8 (toStringz( fullPath ), -1, null, null, null); |
| 80 | 585 OS.gtk_file_selection_set_filename (handle, fileNamePtr); |
| 586 OS.g_free (fileNamePtr); | |
| 587 | |
| 588 if (filterNames is null) filterNames = null; | |
| 589 if (filterExtensions is null) filterExtensions = null; | |
| 590 fullPath = null; | |
| 591 fileNames = null; | |
| 592 } | |
| 593 /** | |
| 594 * Set the initial filename which the dialog will | |
| 595 * select by default when opened to the argument, | |
| 596 * which may be null. The name will be prefixed with | |
| 597 * the filter path when one is supplied. | |
| 598 * | |
| 599 * @param string the file name | |
| 600 */ | |
| 238 | 601 public void setFileName (String string) { |
| 80 | 602 fileName = string; |
| 603 } | |
| 604 /** | |
| 605 * Set the file extensions which the dialog will | |
| 606 * use to filter the files it shows to the argument, | |
| 607 * which may be null. | |
| 608 * <p> | |
| 609 * The strings are platform specific. For example, on | |
| 259 | 610 * some platforms, an extension filter string is typically |
| 611 * of the form "*.extension", where "*.*" matches all files. | |
| 612 * For filters with multiple extensions, use semicolon as | |
| 613 * a separator, e.g. "*.jpg;*.png". | |
| 80 | 614 * </p> |
| 615 * | |
| 616 * @param extensions the file extension filter | |
| 617 * | |
| 618 * @see #setFilterNames to specify the user-friendly | |
| 619 * names corresponding to the extensions | |
| 620 */ | |
| 238 | 621 public void setFilterExtensions (String [] extensions) { |
| 80 | 622 filterExtensions = extensions; |
| 623 } | |
| 624 /** | |
| 240 | 625 * Set the 0-based index of the file extension filter |
| 626 * which the dialog will use initially to filter the files | |
| 627 * it shows to the argument. | |
| 628 * <p> | |
| 629 * This is an index into the FilterExtensions array and | |
| 630 * the FilterNames array. | |
| 631 * </p> | |
| 632 * | |
| 633 * @param index the file extension filter index | |
| 634 * | |
| 635 * @see #setFilterExtensions | |
| 636 * @see #setFilterNames | |
| 637 * | |
| 638 * @since 3.4 | |
| 639 */ | |
| 640 public void setFilterIndex (int index) { | |
| 641 filterIndex = index; | |
| 642 } | |
| 643 /** | |
| 259 | 644 * Sets the names that describe the filter extensions |
| 80 | 645 * which the dialog will use to filter the files it shows |
| 646 * to the argument, which may be null. | |
| 647 * <p> | |
| 648 * Each name is a user-friendly short description shown for | |
| 649 * its corresponding filter. The <code>names</code> array must | |
| 650 * be the same length as the <code>extensions</code> array. | |
| 651 * </p> | |
| 652 * | |
| 653 * @param names the list of filter names, or null for no filter names | |
| 654 * | |
| 655 * @see #setFilterExtensions | |
| 656 */ | |
| 238 | 657 public void setFilterNames (String [] names) { |
| 80 | 658 filterNames = names; |
| 659 } | |
| 660 /** | |
| 661 * Sets the directory path that the dialog will use | |
| 662 * to the argument, which may be null. File names in this | |
| 663 * path will appear in the dialog, filtered according | |
| 664 * to the filter extensions. If the string is null, | |
| 665 * then the operating system's default filter path | |
| 666 * will be used. | |
| 667 * <p> | |
| 668 * Note that the path string is platform dependent. | |
| 669 * For convenience, either '/' or '\' can be used | |
| 670 * as a path separator. | |
| 671 * </p> | |
| 672 * | |
| 673 * @param string the directory path | |
| 674 * | |
| 675 * @see #setFilterExtensions | |
| 676 */ | |
| 238 | 677 public void setFilterPath (String string) { |
| 80 | 678 filterPath = string; |
| 679 } | |
| 240 | 680 |
| 681 /** | |
| 682 * Sets the flag that the dialog will use to | |
| 683 * determine whether to prompt the user for file | |
| 684 * overwrite if the selected file already exists. | |
| 685 * | |
| 686 * @param overwrite true if the dialog will prompt for file overwrite, false otherwise | |
| 687 * | |
| 688 * @since 3.4 | |
| 689 */ | |
| 690 public void setOverwrite (bool overwrite) { | |
| 691 this.overwrite = overwrite; | |
| 80 | 692 } |
| 240 | 693 } |