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annotate org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/DirectoryDialog.d @ 49:7a2dd761a8b2
more work until dmd 2.026 linux segfaults.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 27 Mar 2009 12:59:54 +0100 |
| parents | ddbfe84d86df |
| children | d5075f5226e5 |
| rev | line source |
|---|---|
| 25 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2008 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module org.eclipse.swt.widgets.DirectoryDialog; | |
| 14 | |
| 15 import java.lang.all; | |
| 16 | |
| 17 | |
| 18 | |
| 19 import org.eclipse.swt.SWT; | |
| 20 import org.eclipse.swt.SWTException; | |
| 21 import org.eclipse.swt.internal.gtk.OS; | |
| 22 import org.eclipse.swt.widgets.Dialog; | |
| 23 import org.eclipse.swt.widgets.Shell; | |
| 24 import org.eclipse.swt.widgets.Display; | |
| 25 | |
| 48 | 26 version(Tango){ |
|
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27 static import tango.io.model.IFile; |
| 48 | 28 } else { // Phobos |
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29 static import std.path; |
| 48 | 30 } |
| 25 | 31 |
| 32 /** | |
| 33 * Instances of this class allow the user to navigate | |
| 34 * the file system and select a directory. | |
| 35 * <dl> | |
| 36 * <dt><b>Styles:</b></dt> | |
| 37 * <dd>(none)</dd> | |
| 38 * <dt><b>Events:</b></dt> | |
| 39 * <dd>(none)</dd> | |
| 40 * </dl> | |
| 41 * <p> | |
| 42 * IMPORTANT: This class is intended to be subclassed <em>only</em> | |
| 43 * within the SWT implementation. | |
| 44 * </p> | |
| 45 * | |
| 46 * @see <a href="http://www.eclipse.org/swt/snippets/#directorydialog">DirectoryDialog snippets</a> | |
| 47 * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample, Dialog tab</a> | |
| 48 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
| 49 */ | |
| 50 public class DirectoryDialog : Dialog { | |
| 51 String message = "", filterPath = ""; | |
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parents:
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changeset
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52 version(Tango){ |
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53 static const String SEPARATOR = tango.io.model.IFile.FileConst.PathSeparatorString; |
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changeset
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54 } else { // Phobos |
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parents:
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changeset
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55 static const String SEPARATOR = std.path.sep; |
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parents:
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changeset
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56 } |
| 25 | 57 |
| 58 /** | |
| 59 * Constructs a new instance of this class given only its parent. | |
| 60 * | |
| 61 * @param parent a shell which will be the parent of the new instance | |
| 62 * | |
| 63 * @exception IllegalArgumentException <ul> | |
| 64 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 65 * </ul> | |
| 66 * @exception SWTException <ul> | |
| 67 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 68 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 69 * </ul> | |
| 70 */ | |
| 71 public this (Shell parent) { | |
| 72 this (parent, SWT.APPLICATION_MODAL); | |
| 73 } | |
| 74 /** | |
| 75 * Constructs a new instance of this class given its parent | |
| 76 * and a style value describing its behavior and appearance. | |
| 77 * <p> | |
| 78 * The style value is either one of the style constants defined in | |
| 79 * class <code>SWT</code> which is applicable to instances of this | |
| 80 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 81 * (that is, using the <code>int</code> "|" operator) two or more | |
| 82 * of those <code>SWT</code> style constants. The class description | |
| 83 * lists the style constants that are applicable to the class. | |
| 84 * Style bits are also inherited from superclasses. | |
| 85 * </p> | |
| 86 * | |
| 87 * @param parent a shell which will be the parent of the new instance | |
| 88 * @param style the style of dialog to construct | |
| 89 * | |
| 90 * @exception IllegalArgumentException <ul> | |
| 91 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 92 * </ul> | |
| 93 * @exception SWTException <ul> | |
| 94 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 95 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 96 * </ul> | |
| 97 */ | |
| 98 public this (Shell parent, int style) { | |
| 99 super (parent, checkStyle (parent, style)); | |
| 100 checkSubclass (); | |
| 101 } | |
| 102 /** | |
| 103 * Returns the path which the dialog will use to filter | |
| 104 * the directories it shows. | |
| 105 * | |
| 106 * @return the filter path | |
| 107 * | |
| 108 * @see #setFilterPath | |
| 109 */ | |
| 110 public String getFilterPath () { | |
| 111 return filterPath; | |
| 112 } | |
| 113 /** | |
| 114 * Returns the dialog's message, which is a description of | |
| 115 * the purpose for which it was opened. This message will be | |
| 116 * visible on the dialog while it is open. | |
| 117 * | |
| 118 * @return the message | |
| 119 */ | |
| 120 public String getMessage () { | |
| 121 return message; | |
| 122 } | |
| 123 /** | |
| 124 * Makes the dialog visible and brings it to the front | |
| 125 * of the display. | |
| 126 * | |
| 127 * @return a string describing the absolute path of the selected directory, | |
| 128 * or null if the dialog was cancelled or an error occurred | |
| 129 * | |
| 130 * @exception SWTException <ul> | |
| 131 * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li> | |
| 132 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li> | |
| 133 * </ul> | |
| 134 */ | |
| 135 public String open () { | |
| 136 bool useChooserDialog = OS.GTK_VERSION >= OS.buildVERSION (2, 4, 10); | |
| 137 if (useChooserDialog) { | |
| 138 return openChooserDialog (); | |
| 139 } else { | |
| 140 return openClassicDialog (); | |
| 141 } | |
| 142 } | |
| 143 String openChooserDialog () { | |
| 144 char* titleBytes = toStringz(title); | |
| 145 auto shellHandle = parent.topHandle (); | |
| 146 auto handle = OS.gtk_file_chooser_dialog_new2 ( | |
| 147 titleBytes, | |
| 148 shellHandle, | |
| 149 OS.GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER, | |
| 150 OS.GTK_STOCK_CANCEL (), OS.GTK_RESPONSE_CANCEL, | |
| 151 OS.GTK_STOCK_OK (), OS.GTK_RESPONSE_OK ); | |
| 152 auto pixbufs = OS.gtk_window_get_icon_list (shellHandle); | |
| 153 if (pixbufs !is null) { | |
| 154 OS.gtk_window_set_icon_list (handle, pixbufs); | |
| 155 OS.g_list_free (pixbufs); | |
| 156 } | |
| 157 if (filterPath !is null && filterPath.length > 0) { | |
| 158 String p; | |
| 159 /* filename must be a full path */ | |
| 160 if ( filterPath[ 0 .. SEPARATOR.length ] != SEPARATOR ) { | |
| 161 p ~= SEPARATOR; | |
| 162 p ~= filterPath; | |
| 163 } | |
| 164 else{ | |
| 165 p = filterPath; | |
| 166 } | |
| 167 char* buffer = toStringz(p); | |
| 168 /* | |
| 169 * Bug in GTK. GtkFileChooser may crash on GTK versions 2.4.10 to 2.6 | |
| 170 * when setting a file name that is not a true canonical path. | |
| 171 * The fix is to use the canonical path. | |
| 172 */ | |
| 173 char* ptr = OS.realpath (buffer, null); | |
| 174 if (ptr !is null) { | |
| 175 OS.gtk_file_chooser_set_current_folder (handle, ptr); | |
| 176 OS.g_free (ptr); | |
| 177 } | |
| 178 } | |
| 179 if (message.length > 0) { | |
| 180 char* buffer = toStringz(message); | |
| 181 auto box = OS.gtk_hbox_new (false, 0); | |
| 182 if (box is null) error (SWT.ERROR_NO_HANDLES); | |
| 183 auto label = OS.gtk_label_new (buffer); | |
| 184 if (label is null) error (SWT.ERROR_NO_HANDLES); | |
| 185 OS.gtk_container_add (box, label); | |
| 186 OS.gtk_widget_show (label); | |
| 187 OS.gtk_label_set_line_wrap (label, true); | |
| 188 OS.gtk_label_set_justify (label, OS.GTK_JUSTIFY_CENTER); | |
| 189 OS.gtk_file_chooser_set_extra_widget (handle, box); | |
| 190 } | |
| 191 String answer = null; | |
| 192 Display display = parent !is null ? parent.getDisplay (): Display.getCurrent (); | |
| 193 display.addIdleProc (); | |
| 194 Dialog oldModal = null; | |
| 195 if (OS.gtk_window_get_modal (handle)) { | |
| 196 oldModal = display.getModalDialog (); | |
| 197 display.setModalDialog (this); | |
| 198 } | |
| 199 int signalId = 0; | |
| 200 int /*long*/ hookId = 0; | |
| 201 CallbackData emissionData; | |
| 202 emissionData.display = display; | |
| 203 emissionData.data = handle; | |
| 204 if ((style & SWT.RIGHT_TO_LEFT) !is 0) { | |
| 205 signalId = OS.g_signal_lookup (OS.map.ptr, OS.GTK_TYPE_WIDGET()); | |
| 206 hookId = OS.g_signal_add_emission_hook (signalId, 0, &Display.emissionFunc, &emissionData, null); | |
| 207 } | |
| 208 int response = OS.gtk_dialog_run (handle); | |
| 209 if ((style & SWT.RIGHT_TO_LEFT) !is 0) { | |
| 210 OS.g_signal_remove_emission_hook (signalId, hookId); | |
| 211 } | |
| 212 if (OS.gtk_window_get_modal (handle)) { | |
| 213 display.setModalDialog (oldModal); | |
| 214 } | |
| 215 if (response is OS.GTK_RESPONSE_OK) { | |
| 216 auto path = OS.gtk_file_chooser_get_filename (handle); | |
| 217 if (path !is null) { | |
| 218 uint items_written; | |
| 219 auto utf8Ptr = OS.g_filename_to_utf8 (path, -1, null, &items_written, null); | |
| 220 OS.g_free (path); | |
| 221 if (utf8Ptr !is null) { | |
| 222 answer = utf8Ptr[ 0 .. items_written ].dup; | |
| 223 filterPath = answer; | |
| 224 OS.g_free (utf8Ptr); | |
| 225 } | |
| 226 } | |
| 227 } | |
| 228 display.removeIdleProc (); | |
| 229 OS.gtk_widget_destroy (handle); | |
| 230 return answer; | |
| 231 } | |
| 232 String openClassicDialog () { | |
| 233 char* titleBytes = toStringz(title); | |
| 234 auto handle = OS.gtk_file_selection_new (titleBytes); | |
| 235 if (parent !is null) { | |
| 236 auto shellHandle = parent.topHandle (); | |
| 237 OS.gtk_window_set_transient_for (handle, shellHandle); | |
| 238 auto pixbufs = OS.gtk_window_get_icon_list (shellHandle); | |
| 239 if (pixbufs !is null) { | |
| 240 OS.gtk_window_set_icon_list (handle, pixbufs); | |
| 241 OS.g_list_free (pixbufs); | |
| 242 } | |
| 243 } | |
| 244 String answer = null; | |
| 245 if (filterPath !is null) { | |
| 246 String path = filterPath; | |
| 247 if (path.length > 0 && path[ $-1 .. $ ] != SEPARATOR ) { | |
| 248 path ~= SEPARATOR; | |
| 249 } | |
| 250 char* fileNamePtr = OS.g_filename_from_utf8 (toStringz(path), -1, null, null, null); | |
| 251 OS.gtk_file_selection_set_filename (handle, fileNamePtr); | |
| 252 OS.g_free (fileNamePtr); | |
| 253 } | |
| 254 GtkFileSelection* selection = cast(GtkFileSelection*)handle; | |
| 255 OS.gtk_file_selection_hide_fileop_buttons (handle); | |
| 256 auto fileListParent = OS.gtk_widget_get_parent (selection.file_list); | |
| 257 OS.gtk_widget_hide (selection.file_list); | |
| 258 OS.gtk_widget_hide (fileListParent); | |
| 259 if (message.length > 0) { | |
| 260 auto labelHandle = OS.gtk_label_new (toStringz(message)); | |
| 261 OS.gtk_label_set_line_wrap (labelHandle, true); | |
| 262 OS.gtk_misc_set_alignment (labelHandle, 0.0f, 0.0f); | |
| 263 OS.gtk_container_add (selection.main_vbox, labelHandle); | |
| 264 OS.gtk_box_set_child_packing ( | |
| 265 selection.main_vbox, labelHandle, false, false, 0, OS.GTK_PACK_START); | |
| 266 OS.gtk_widget_show (labelHandle); | |
| 267 } | |
| 268 Display display = parent !is null ? parent.getDisplay (): Display.getCurrent (); | |
| 269 display.addIdleProc (); | |
| 270 Dialog oldModal = null; | |
| 271 if (OS.gtk_window_get_modal (handle)) { | |
| 272 oldModal = display.getModalDialog (); | |
| 273 display.setModalDialog (this); | |
| 274 } | |
| 275 int signalId = 0; | |
| 276 int /*long*/ hookId = 0; | |
| 277 CallbackData emissionData; | |
| 278 emissionData.display = display; | |
| 279 emissionData.data = handle; | |
| 280 if ((style & SWT.RIGHT_TO_LEFT) !is 0) { | |
| 281 signalId = OS.g_signal_lookup (OS.map.ptr, OS.GTK_TYPE_WIDGET()); | |
| 282 hookId = OS.g_signal_add_emission_hook (signalId, 0, &Display.emissionFunc, &emissionData, null); | |
| 283 } | |
| 284 int response = OS.gtk_dialog_run (handle); | |
| 285 if ((style & SWT.RIGHT_TO_LEFT) !is 0) { | |
| 286 OS.g_signal_remove_emission_hook (signalId, hookId); | |
| 287 } | |
| 288 if (OS.gtk_window_get_modal (handle)) { | |
| 289 display.setModalDialog (oldModal); | |
| 290 } | |
| 291 if (response is OS.GTK_RESPONSE_OK) { | |
| 292 char* fileNamePtr = OS.gtk_file_selection_get_filename (handle); | |
| 293 uint items_written; | |
| 294 char* utf8Ptr = OS.g_filename_to_utf8 (fileNamePtr, -1, null, &items_written, null); | |
| 295 if (utf8Ptr !is null) { | |
| 296 String osAnswer = utf8Ptr[ 0 .. items_written ]; | |
| 297 if (osAnswer.length !is 0) { | |
| 298 /* remove trailing separator, unless root directory */ | |
| 299 if ( osAnswer != SEPARATOR && osAnswer[ $-1 .. $ ] == SEPARATOR ) { | |
| 300 osAnswer = osAnswer[ 0 .. $ - 1 ]; | |
| 301 } | |
| 302 answer = filterPath = osAnswer.dup; | |
| 303 } | |
| 304 OS.g_free (utf8Ptr); | |
| 305 } | |
| 306 } | |
| 307 display.removeIdleProc (); | |
| 308 OS.gtk_widget_destroy (handle); | |
| 309 return answer; | |
| 310 } | |
| 311 /** | |
| 312 * Sets the path that the dialog will use to filter | |
| 313 * the directories it shows to the argument, which may | |
| 314 * be null. If the string is null, then the operating | |
| 315 * system's default filter path will be used. | |
| 316 * <p> | |
| 317 * Note that the path string is platform dependent. | |
| 318 * For convenience, either '/' or '\' can be used | |
| 319 * as a path separator. | |
| 320 * </p> | |
| 321 * | |
| 322 * @param string the filter path | |
| 323 */ | |
| 324 public void setFilterPath (String string) { | |
| 325 filterPath = string.dup; | |
| 326 } | |
| 327 /** | |
| 328 * Sets the dialog's message, which is a description of | |
| 329 * the purpose for which it was opened. This message will be | |
| 330 * visible on the dialog while it is open. | |
| 331 * | |
| 332 * @param string the message | |
| 333 * | |
| 334 */ | |
| 335 public void setMessage (String string) { | |
| 336 // SWT extension: allow null for zero length string | |
| 337 //if (string is null) error (SWT.ERROR_NULL_ARGUMENT); | |
| 338 message = string.dup; | |
| 339 } | |
| 340 } |