Mercurial > projects > dwt-linux
annotate dwt/widgets/DirectoryDialog.d @ 255:5a30aa9820f3
removed tango.stdc.stringz imports and allow null for arrays and string arguments.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 15 Jun 2008 22:32:20 +0200 |
| parents | ce446666f5a2 |
| children | c0d810de7093 |
| rev | line source |
|---|---|
|
126
73b4c55700ec
Fix in DirectoryDialog string convertion
Frank Benoit <benoit@tionex.de>
parents:
108
diff
changeset
|
1 /******************************************************************************* |
| 78 | 2 * Copyright (c) 2000, 2007 IBM Corporation and others. |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 108 | 10 * Port to the D programming language: |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 78 | 12 *******************************************************************************/ |
| 13 module dwt.widgets.DirectoryDialog; | |
| 14 | |
| 238 | 15 import dwt.dwthelper.utils; |
| 16 | |
| 78 | 17 |
| 18 | |
| 19 import dwt.DWT; | |
| 20 import dwt.DWTException; | |
| 21 import dwt.internal.gtk.OS; | |
| 22 import dwt.widgets.Dialog; | |
| 23 import dwt.widgets.Shell; | |
| 24 import dwt.widgets.Display; | |
| 25 | |
| 26 static import tango.io.FileConst; | |
| 27 static import tango.text.Util; | |
| 28 | |
| 29 /** | |
| 30 * Instances of this class allow the user to navigate | |
| 31 * the file system and select a directory. | |
| 32 * <dl> | |
| 33 * <dt><b>Styles:</b></dt> | |
| 34 * <dd>(none)</dd> | |
| 35 * <dt><b>Events:</b></dt> | |
| 36 * <dd>(none)</dd> | |
| 37 * </dl> | |
| 38 * <p> | |
| 39 * IMPORTANT: This class is intended to be subclassed <em>only</em> | |
| 40 * within the DWT implementation. | |
| 41 * </p> | |
| 42 */ | |
| 43 public class DirectoryDialog : Dialog { | |
| 238 | 44 String message = "", filterPath = ""; |
| 45 static const String SEPARATOR = tango.io.FileConst.FileConst.PathSeparatorString;; | |
| 78 | 46 |
| 47 /** | |
| 48 * Constructs a new instance of this class given only its parent. | |
| 49 * | |
| 50 * @param parent a shell which will be the parent of the new instance | |
| 51 * | |
| 52 * @exception IllegalArgumentException <ul> | |
| 53 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 54 * </ul> | |
| 55 * @exception DWTException <ul> | |
| 56 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 57 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 58 * </ul> | |
| 59 */ | |
| 60 public this (Shell parent) { | |
| 240 | 61 this (parent, DWT.APPLICATION_MODAL); |
| 78 | 62 } |
| 63 /** | |
| 64 * Constructs a new instance of this class given its parent | |
| 65 * and a style value describing its behavior and appearance. | |
| 66 * <p> | |
| 67 * The style value is either one of the style constants defined in | |
| 68 * class <code>DWT</code> which is applicable to instances of this | |
| 69 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 70 * (that is, using the <code>int</code> "|" operator) two or more | |
| 71 * of those <code>DWT</code> style constants. The class description | |
| 72 * lists the style constants that are applicable to the class. | |
| 73 * Style bits are also inherited from superclasses. | |
| 74 * </p> | |
| 75 * | |
| 76 * @param parent a shell which will be the parent of the new instance | |
| 77 * @param style the style of dialog to construct | |
| 78 * | |
| 79 * @exception IllegalArgumentException <ul> | |
| 80 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 81 * </ul> | |
| 82 * @exception DWTException <ul> | |
| 83 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 84 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 85 * </ul> | |
| 86 */ | |
| 87 public this (Shell parent, int style) { | |
| 240 | 88 super (parent, checkStyle (parent, style)); |
| 78 | 89 checkSubclass (); |
| 90 } | |
| 91 /** | |
| 92 * Returns the path which the dialog will use to filter | |
| 93 * the directories it shows. | |
| 94 * | |
| 95 * @return the filter path | |
| 96 * | |
| 97 * @see #setFilterPath | |
| 98 */ | |
| 238 | 99 public String getFilterPath () { |
| 78 | 100 return filterPath; |
| 101 } | |
| 102 /** | |
| 103 * Returns the dialog's message, which is a description of | |
| 104 * the purpose for which it was opened. This message will be | |
| 105 * visible on the dialog while it is open. | |
| 106 * | |
| 107 * @return the message | |
| 108 */ | |
| 238 | 109 public String getMessage () { |
| 78 | 110 return message; |
| 111 } | |
| 112 /** | |
| 113 * Makes the dialog visible and brings it to the front | |
| 114 * of the display. | |
| 115 * | |
| 116 * @return a string describing the absolute path of the selected directory, | |
| 117 * or null if the dialog was cancelled or an error occurred | |
| 118 * | |
| 119 * @exception DWTException <ul> | |
| 120 * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li> | |
| 121 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li> | |
| 122 * </ul> | |
| 123 */ | |
| 238 | 124 public String open () { |
| 78 | 125 bool useChooserDialog = OS.GTK_VERSION >= OS.buildVERSION (2, 4, 10); |
| 126 if (useChooserDialog) { | |
| 127 return openChooserDialog (); | |
| 128 } else { | |
| 129 return openClassicDialog (); | |
| 130 } | |
| 131 } | |
| 238 | 132 String openChooserDialog () { |
|
255
5a30aa9820f3
removed tango.stdc.stringz imports and allow null for arrays and string arguments.
Frank Benoit <benoit@tionex.de>
parents:
240
diff
changeset
|
133 char* titleBytes = toStringz(title); |
| 78 | 134 auto shellHandle = parent.topHandle (); |
| 135 auto handle = OS.gtk_file_chooser_dialog_new2 ( | |
| 136 titleBytes, | |
| 137 shellHandle, | |
| 138 OS.GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER, | |
| 139 OS.GTK_STOCK_CANCEL (), OS.GTK_RESPONSE_CANCEL, | |
| 140 OS.GTK_STOCK_OK (), OS.GTK_RESPONSE_OK ); | |
| 141 auto pixbufs = OS.gtk_window_get_icon_list (shellHandle); | |
| 142 if (pixbufs !is null) { | |
| 143 OS.gtk_window_set_icon_list (handle, pixbufs); | |
| 144 OS.g_list_free (pixbufs); | |
| 145 } | |
| 146 if (filterPath !is null && filterPath.length > 0) { | |
| 238 | 147 String p; |
| 78 | 148 /* filename must be a full path */ |
| 149 if ( filterPath[ 0 .. SEPARATOR.length ] != SEPARATOR ) { | |
| 150 p ~= SEPARATOR; | |
| 151 p ~= filterPath; | |
| 152 } | |
| 153 else{ | |
| 154 p = filterPath; | |
| 155 } | |
|
255
5a30aa9820f3
removed tango.stdc.stringz imports and allow null for arrays and string arguments.
Frank Benoit <benoit@tionex.de>
parents:
240
diff
changeset
|
156 char* buffer = toStringz(p); |
| 240 | 157 /* |
| 158 * Bug in GTK. GtkFileChooser may crash on GTK versions 2.4.10 to 2.6 | |
| 159 * when setting a file name that is not a true canonical path. | |
| 160 * The fix is to use the canonical path. | |
| 161 */ | |
| 162 char* ptr = OS.realpath (buffer, null); | |
| 163 if (ptr !is null) { | |
| 164 OS.gtk_file_chooser_set_current_folder (handle, ptr); | |
| 165 OS.g_free (ptr); | |
| 166 } | |
| 78 | 167 } |
| 168 if (message.length > 0) { | |
|
255
5a30aa9820f3
removed tango.stdc.stringz imports and allow null for arrays and string arguments.
Frank Benoit <benoit@tionex.de>
parents:
240
diff
changeset
|
169 char* buffer = toStringz(message); |
| 78 | 170 auto box = OS.gtk_hbox_new (false, 0); |
| 171 if (box is null) error (DWT.ERROR_NO_HANDLES); | |
| 172 auto label = OS.gtk_label_new (buffer); | |
| 173 if (label is null) error (DWT.ERROR_NO_HANDLES); | |
| 174 OS.gtk_container_add (box, label); | |
| 175 OS.gtk_widget_show (label); | |
| 176 OS.gtk_label_set_line_wrap (label, true); | |
| 177 OS.gtk_label_set_justify (label, OS.GTK_JUSTIFY_CENTER); | |
| 178 OS.gtk_file_chooser_set_extra_widget (handle, box); | |
| 179 } | |
| 238 | 180 String answer = null; |
| 78 | 181 Display display = parent !is null ? parent.getDisplay (): Display.getCurrent (); |
| 182 display.addIdleProc (); | |
| 240 | 183 Dialog oldModal = null; |
| 184 if (OS.gtk_window_get_modal (handle)) { | |
| 185 oldModal = display.getModalDialog (); | |
| 186 display.setModalDialog (this); | |
| 187 } | |
| 188 int signalId = 0; | |
| 189 int /*long*/ hookId = 0; | |
| 190 CallbackData emissionData; | |
| 191 emissionData.display = display; | |
| 192 emissionData.data = handle; | |
| 193 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { | |
| 194 signalId = OS.g_signal_lookup (OS.map.ptr, OS.GTK_TYPE_WIDGET()); | |
| 195 hookId = OS.g_signal_add_emission_hook (signalId, 0, &Display.emissionFunc, &emissionData, null); | |
| 196 } | |
| 78 | 197 int response = OS.gtk_dialog_run (handle); |
| 240 | 198 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { |
| 199 OS.g_signal_remove_emission_hook (signalId, hookId); | |
| 200 } | |
| 201 if (OS.gtk_window_get_modal (handle)) { | |
| 202 display.setModalDialog (oldModal); | |
| 203 } | |
| 78 | 204 if (response is OS.GTK_RESPONSE_OK) { |
| 205 auto path = OS.gtk_file_chooser_get_filename (handle); | |
| 206 if (path !is null) { | |
|
126
73b4c55700ec
Fix in DirectoryDialog string convertion
Frank Benoit <benoit@tionex.de>
parents:
108
diff
changeset
|
207 uint items_written; |
|
73b4c55700ec
Fix in DirectoryDialog string convertion
Frank Benoit <benoit@tionex.de>
parents:
108
diff
changeset
|
208 auto utf8Ptr = OS.g_filename_to_utf8 (path, -1, null, &items_written, null); |
| 78 | 209 OS.g_free (path); |
| 210 if (utf8Ptr !is null) { | |
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126
73b4c55700ec
Fix in DirectoryDialog string convertion
Frank Benoit <benoit@tionex.de>
parents:
108
diff
changeset
|
211 answer = utf8Ptr[ 0 .. items_written ].dup; |
| 240 | 212 filterPath = answer; |
| 78 | 213 OS.g_free (utf8Ptr); |
| 214 } | |
| 215 } | |
| 216 } | |
| 217 display.removeIdleProc (); | |
| 218 OS.gtk_widget_destroy (handle); | |
| 219 return answer; | |
| 220 } | |
| 238 | 221 String openClassicDialog () { |
|
255
5a30aa9820f3
removed tango.stdc.stringz imports and allow null for arrays and string arguments.
Frank Benoit <benoit@tionex.de>
parents:
240
diff
changeset
|
222 char* titleBytes = toStringz(title); |
| 78 | 223 auto handle = OS.gtk_file_selection_new (titleBytes); |
| 224 if (parent !is null) { | |
| 225 auto shellHandle = parent.topHandle (); | |
| 226 OS.gtk_window_set_transient_for (handle, shellHandle); | |
| 227 auto pixbufs = OS.gtk_window_get_icon_list (shellHandle); | |
| 228 if (pixbufs !is null) { | |
| 229 OS.gtk_window_set_icon_list (handle, pixbufs); | |
| 230 OS.g_list_free (pixbufs); | |
| 231 } | |
| 232 } | |
| 238 | 233 String answer = null; |
| 78 | 234 if (filterPath !is null) { |
| 238 | 235 String path = filterPath; |
| 78 | 236 if (path.length > 0 && path[ $-1 .. $ ] != SEPARATOR ) { |
| 237 path ~= SEPARATOR; | |
| 238 } | |
|
255
5a30aa9820f3
removed tango.stdc.stringz imports and allow null for arrays and string arguments.
Frank Benoit <benoit@tionex.de>
parents:
240
diff
changeset
|
239 char* fileNamePtr = OS.g_filename_from_utf8 (toStringz(path), -1, null, null, null); |
| 78 | 240 OS.gtk_file_selection_set_filename (handle, fileNamePtr); |
| 241 OS.g_free (fileNamePtr); | |
| 242 } | |
| 243 GtkFileSelection* selection = cast(GtkFileSelection*)handle; | |
| 244 OS.gtk_file_selection_hide_fileop_buttons (handle); | |
| 245 auto fileListParent = OS.gtk_widget_get_parent (selection.file_list); | |
| 246 OS.gtk_widget_hide (selection.file_list); | |
| 247 OS.gtk_widget_hide (fileListParent); | |
| 248 if (message.length > 0) { | |
|
255
5a30aa9820f3
removed tango.stdc.stringz imports and allow null for arrays and string arguments.
Frank Benoit <benoit@tionex.de>
parents:
240
diff
changeset
|
249 auto labelHandle = OS.gtk_label_new (toStringz(message)); |
| 78 | 250 OS.gtk_label_set_line_wrap (labelHandle, true); |
| 251 OS.gtk_misc_set_alignment (labelHandle, 0.0f, 0.0f); | |
| 252 OS.gtk_container_add (selection.main_vbox, labelHandle); | |
| 253 OS.gtk_box_set_child_packing ( | |
| 254 selection.main_vbox, labelHandle, false, false, 0, OS.GTK_PACK_START); | |
| 255 OS.gtk_widget_show (labelHandle); | |
| 256 } | |
| 257 Display display = parent !is null ? parent.getDisplay (): Display.getCurrent (); | |
| 258 display.addIdleProc (); | |
| 240 | 259 Dialog oldModal = null; |
| 260 if (OS.gtk_window_get_modal (handle)) { | |
| 261 oldModal = display.getModalDialog (); | |
| 262 display.setModalDialog (this); | |
| 263 } | |
| 264 int signalId = 0; | |
| 265 int /*long*/ hookId = 0; | |
| 266 CallbackData emissionData; | |
| 267 emissionData.display = display; | |
| 268 emissionData.data = handle; | |
| 269 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { | |
| 270 signalId = OS.g_signal_lookup (OS.map.ptr, OS.GTK_TYPE_WIDGET()); | |
| 271 hookId = OS.g_signal_add_emission_hook (signalId, 0, &Display.emissionFunc, &emissionData, null); | |
| 272 } | |
| 78 | 273 int response = OS.gtk_dialog_run (handle); |
| 240 | 274 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { |
| 275 OS.g_signal_remove_emission_hook (signalId, hookId); | |
| 276 } | |
| 277 if (OS.gtk_window_get_modal (handle)) { | |
| 278 display.setModalDialog (oldModal); | |
| 279 } | |
| 78 | 280 if (response is OS.GTK_RESPONSE_OK) { |
| 281 char* fileNamePtr = OS.gtk_file_selection_get_filename (handle); | |
|
126
73b4c55700ec
Fix in DirectoryDialog string convertion
Frank Benoit <benoit@tionex.de>
parents:
108
diff
changeset
|
282 uint items_written; |
|
73b4c55700ec
Fix in DirectoryDialog string convertion
Frank Benoit <benoit@tionex.de>
parents:
108
diff
changeset
|
283 char* utf8Ptr = OS.g_filename_to_utf8 (fileNamePtr, -1, null, &items_written, null); |
| 78 | 284 if (utf8Ptr !is null) { |
| 238 | 285 String osAnswer = utf8Ptr[ 0 .. items_written ]; |
| 78 | 286 if (osAnswer.length !is 0) { |
| 287 /* remove trailing separator, unless root directory */ | |
| 288 if ( osAnswer != SEPARATOR && osAnswer[ $-1 .. $ ] == SEPARATOR ) { | |
| 289 osAnswer = osAnswer[ 0 .. $ - 1 ]; | |
| 290 } | |
| 291 answer = filterPath = osAnswer.dup; | |
| 292 } | |
| 293 OS.g_free (utf8Ptr); | |
| 294 } | |
| 295 } | |
| 296 display.removeIdleProc (); | |
| 297 OS.gtk_widget_destroy (handle); | |
| 298 return answer; | |
| 299 } | |
| 300 /** | |
| 301 * Sets the path that the dialog will use to filter | |
| 302 * the directories it shows to the argument, which may | |
| 303 * be null. If the string is null, then the operating | |
| 304 * system's default filter path will be used. | |
| 305 * <p> | |
| 306 * Note that the path string is platform dependent. | |
| 307 * For convenience, either '/' or '\' can be used | |
| 308 * as a path separator. | |
| 309 * </p> | |
| 310 * | |
| 311 * @param string the filter path | |
| 312 */ | |
| 238 | 313 public void setFilterPath (String string) { |
| 78 | 314 filterPath = string.dup; |
| 315 } | |
| 316 /** | |
| 317 * Sets the dialog's message, which is a description of | |
| 318 * the purpose for which it was opened. This message will be | |
| 319 * visible on the dialog while it is open. | |
| 320 * | |
| 321 * @param string the message | |
| 322 * | |
| 323 */ | |
| 238 | 324 public void setMessage (String string) { |
|
255
5a30aa9820f3
removed tango.stdc.stringz imports and allow null for arrays and string arguments.
Frank Benoit <benoit@tionex.de>
parents:
240
diff
changeset
|
325 // DWT extension: allow null for zero length string |
|
5a30aa9820f3
removed tango.stdc.stringz imports and allow null for arrays and string arguments.
Frank Benoit <benoit@tionex.de>
parents:
240
diff
changeset
|
326 //if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
| 78 | 327 message = string.dup; |
| 328 } | |
| 329 } |