Mercurial > projects > dwt-linux
annotate dwt/widgets/MessageBox.d @ 259:c0d810de7093
Update SWT 3.4M7 to 3.4
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 29 Jun 2008 14:33:38 +0200 |
| parents | 5a30aa9820f3 |
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| rev | line source |
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1 /******************************************************************************* |
| 259 | 2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
| 83 | 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> | |
| 83 | 12 *******************************************************************************/ |
| 13 module dwt.widgets.MessageBox; | |
| 14 | |
| 238 | 15 import dwt.dwthelper.utils; |
| 16 | |
| 83 | 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 | |
| 27 /** | |
| 28 * Instances of this class are used to inform or warn the user. | |
| 29 * <dl> | |
| 30 * <dt><b>Styles:</b></dt> | |
| 31 * <dd>ICON_ERROR, ICON_INFORMATION, ICON_QUESTION, ICON_WARNING, ICON_WORKING</dd> | |
| 32 * <dd>OK, OK | CANCEL</dd> | |
| 33 * <dd>YES | NO, YES | NO | CANCEL</dd> | |
| 34 * <dd>RETRY | CANCEL</dd> | |
| 35 * <dd>ABORT | RETRY | IGNORE</dd> | |
| 36 * <dt><b>Events:</b></dt> | |
| 37 * <dd>(none)</dd> | |
| 38 * </dl> | |
| 39 * <p> | |
| 40 * Note: Only one of the styles ICON_ERROR, ICON_INFORMATION, ICON_QUESTION, | |
| 41 * ICON_WARNING and ICON_WORKING may be specified. | |
| 42 * </p><p> | |
| 43 * IMPORTANT: This class is intended to be subclassed <em>only</em> | |
| 44 * within the DWT implementation. | |
| 45 * </p> | |
| 259 | 46 * |
| 47 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample, Dialog tab</a> | |
| 48 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
| 83 | 49 */ |
| 50 public class MessageBox : Dialog { | |
| 51 | |
| 240 | 52 alias Dialog.checkStyle checkStyle; |
| 53 | |
| 238 | 54 String message = ""; |
| 83 | 55 GtkWidget* handle; |
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56 private bool allowNullParent = false; |
| 83 | 57 /** |
| 58 * Constructs a new instance of this class given only its parent. | |
| 59 * | |
| 60 * @param parent a shell which will be the parent of the new instance | |
| 61 * | |
| 62 * @exception IllegalArgumentException <ul> | |
| 63 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 64 * </ul> | |
| 65 * @exception DWTException <ul> | |
| 66 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 67 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 68 * </ul> | |
| 69 */ | |
| 70 public this (Shell parent) { | |
| 71 this (parent, DWT.OK | DWT.ICON_INFORMATION | DWT.APPLICATION_MODAL); | |
| 72 } | |
| 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>DWT</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>DWT</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 * | |
| 86 * @param parent a shell which will be the parent of the new instance | |
| 87 * @param style the style of dialog to construct | |
| 88 * | |
| 89 * @exception IllegalArgumentException <ul> | |
| 90 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 91 * </ul> | |
| 92 * @exception DWTException <ul> | |
| 93 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 94 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 95 * </ul> | |
| 96 */ | |
| 97 public this (Shell parent, int style) { | |
| 240 | 98 super (parent, checkStyle (parent, checkStyle (style))); |
| 83 | 99 checkSubclass (); |
| 100 } | |
| 101 | |
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102 /++ |
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103 + DWT extension, a MessageBox with no parent |
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104 +/ |
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105 public this (int style) { |
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106 allowNullParent = true; |
| 240 | 107 super (parent, checkStyle (parent, checkStyle (style))); |
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108 checkSubclass (); |
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109 } |
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110 // PORT |
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111 // actually, the parent can be null |
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112 override void checkParent (Shell parent){ |
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113 if( !allowNullParent ){ |
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114 super.checkParent( parent ); |
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115 } |
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116 } |
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117 |
| 83 | 118 /** |
| 119 * Returns the dialog's message, or an empty string if it does not have one. | |
| 120 * The message is a description of the purpose for which the dialog was opened. | |
| 121 * This message will be visible in the dialog while it is open. | |
| 122 * | |
| 123 * @return the message | |
| 124 */ | |
| 238 | 125 public String getMessage () { |
| 83 | 126 return message; |
| 127 } | |
| 128 | |
| 129 /** | |
| 130 * Sets the dialog's message, which is a description of | |
| 131 * the purpose for which it was opened. This message will be | |
| 132 * visible on the dialog while it is open. | |
| 133 * | |
| 134 * @param string the message | |
| 135 * | |
| 136 */ | |
| 238 | 137 public void setMessage (String string) { |
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138 // DWT extension: allow null for zero length string |
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139 //if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
| 83 | 140 message = string; |
| 141 } | |
| 142 | |
| 143 /** | |
| 144 * Makes the dialog visible and brings it to the front | |
| 145 * of the display. | |
| 146 * | |
| 147 * @return the ID of the button that was selected to dismiss the | |
| 148 * message box (e.g. DWT.OK, DWT.CANCEL, etc.) | |
| 149 * | |
| 150 * @exception DWTException <ul> | |
| 151 * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li> | |
| 152 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li> | |
| 153 * </ul> | |
| 154 */ | |
| 155 public int open () { | |
| 156 GtkWidget* parentHandle = (parent !is null) ? parent.topHandle() : null; | |
| 157 int dialogFlags = OS.GTK_DIALOG_DESTROY_WITH_PARENT; | |
| 158 if ((style & (DWT.PRIMARY_MODAL | DWT.APPLICATION_MODAL | DWT.SYSTEM_MODAL)) !is 0) { | |
| 159 dialogFlags |= OS.GTK_DIALOG_MODAL; | |
| 160 } | |
| 161 int messageType = OS.GTK_MESSAGE_INFO; | |
| 162 if ((style & (DWT.ICON_WARNING)) !is 0) messageType = OS.GTK_MESSAGE_WARNING; | |
| 163 if ((style & (DWT.ICON_QUESTION)) !is 0) messageType = OS.GTK_MESSAGE_QUESTION; | |
| 164 if ((style & (DWT.ICON_ERROR)) !is 0) messageType = OS.GTK_MESSAGE_ERROR; | |
| 165 | |
| 166 char* buffer = toStringz( fixPercent (message)); | |
| 167 handle = cast(GtkWidget*)OS.gtk_message_dialog_new(parentHandle, dialogFlags, messageType, 0, buffer); | |
| 168 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES); | |
| 169 if (parentHandle !is null) { | |
| 170 auto pixbufs = OS.gtk_window_get_icon_list (parentHandle); | |
| 171 if (pixbufs !is null) { | |
| 172 OS.gtk_window_set_icon_list (handle, pixbufs); | |
| 173 OS.g_list_free (pixbufs); | |
| 174 } | |
| 175 } | |
| 176 createButtons(); | |
| 177 buffer = toStringz(title); | |
| 178 OS.gtk_window_set_title(handle,buffer); | |
| 179 Display display = parent !is null ? parent.getDisplay (): Display.getCurrent (); | |
| 180 display.addIdleProc (); | |
| 240 | 181 Dialog oldModal = null; |
| 182 if (OS.gtk_window_get_modal (handle)) { | |
| 183 oldModal = display.getModalDialog (); | |
| 184 display.setModalDialog (this); | |
| 185 } | |
| 186 int signalId = 0; | |
| 187 int /*long*/ hookId = 0; | |
| 188 CallbackData emissionData; | |
| 189 emissionData.display = display; | |
| 190 emissionData.data = handle; | |
| 191 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { | |
| 192 signalId = OS.g_signal_lookup (OS.map.ptr, OS.GTK_TYPE_WIDGET()); | |
| 193 hookId = OS.g_signal_add_emission_hook (signalId, 0, &Display.emissionFunc, &emissionData, null); | |
| 194 } | |
| 195 int response = OS.gtk_dialog_run (handle); | |
| 196 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { | |
| 197 OS.g_signal_remove_emission_hook (signalId, hookId); | |
| 198 } | |
| 199 if (OS.gtk_window_get_modal (handle)) { | |
| 200 display.setModalDialog (oldModal); | |
| 201 } | |
| 83 | 202 display.removeIdleProc (); |
| 203 OS.gtk_widget_destroy (handle); | |
| 240 | 204 return response; |
| 83 | 205 } |
| 206 | |
| 207 private void createButtons() { | |
| 208 if ((style & DWT.OK) !is 0) OS.gtk_dialog_add_button(handle, "gtk-ok".ptr, DWT.OK); | |
| 209 if ((style & DWT.CANCEL) !is 0) OS.gtk_dialog_add_button(handle, "gtk-cancel".ptr, DWT.CANCEL); | |
| 210 if ((style & DWT.YES) !is 0) OS.gtk_dialog_add_button(handle, "gtk-yes".ptr, DWT.YES); | |
| 211 if ((style & DWT.NO) !is 0) OS.gtk_dialog_add_button(handle, "gtk-no".ptr, DWT.NO); | |
| 212 if ((style & DWT.ABORT) !is 0) OS.gtk_dialog_add_button(handle, toStringz( DWT.getMessage("SWT_Abort")), DWT.ABORT); | |
| 213 if ((style & DWT.RETRY) !is 0) OS.gtk_dialog_add_button(handle, toStringz( DWT.getMessage("SWT_Retry")), DWT.RETRY); | |
| 214 if ((style & DWT.IGNORE) !is 0) OS.gtk_dialog_add_button(handle, toStringz( DWT.getMessage("SWT_Ignore")), DWT.IGNORE); | |
| 215 } | |
| 216 | |
| 217 private static int checkStyle (int style) { | |
| 218 int mask = (DWT.YES | DWT.NO | DWT.OK | DWT.CANCEL | DWT.ABORT | DWT.RETRY | DWT.IGNORE); | |
| 219 int bits = style & mask; | |
| 220 if (bits is DWT.OK || bits is DWT.CANCEL || bits is (DWT.OK | DWT.CANCEL)) return style; | |
| 221 if (bits is DWT.YES || bits is DWT.NO || bits is (DWT.YES | DWT.NO) || bits is (DWT.YES | DWT.NO | DWT.CANCEL)) return style; | |
| 222 if (bits is (DWT.RETRY | DWT.CANCEL) || bits is (DWT.ABORT | DWT.RETRY | DWT.IGNORE)) return style; | |
| 223 style = (style & ~mask) | DWT.OK; | |
| 224 return style; | |
| 225 } | |
| 226 | |
| 238 | 227 char[] fixPercent (String string) { |
| 83 | 228 int i = 0, j = 0; |
| 238 | 229 char [] result = new String( string.length * 2 ); |
| 83 | 230 while (i < string.length) { |
| 231 switch (string [i]) { | |
| 232 case '%': | |
| 233 result [j++] = '%'; | |
| 234 break; | |
| 235 default: | |
| 236 } | |
| 237 result [j++] = string [i++]; | |
| 238 } | |
| 239 return result[ 0 .. j ]; | |
| 240 } | |
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241 |
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242 |
| 210 | 243 /++ |
| 244 + DWT extension | |
| 245 +/ | |
| 238 | 246 public static int showMessageBox(String str, String title, Shell shell, int style) { |
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247 MessageBox msgBox = (shell is null ) ? new MessageBox( style ) : new MessageBox(shell, style); |
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248 msgBox.setMessage(str); |
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249 if(title !is null){ |
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250 msgBox.setText(title); |
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251 } |
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252 return msgBox.open(); |
| 83 | 253 } |
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254 |
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255 /// DWT extension |
| 238 | 256 public static int showInfo(String str, String title = null, Shell shell = null) { |
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257 return showMessageBox( str, title, shell, DWT.OK | DWT.ICON_INFORMATION ); |
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258 } |
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259 /// DWT extension |
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260 alias showInfo showInformation; |
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261 |
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262 /// DWT extension |
| 238 | 263 public static int showWarning(String str, String title = null, Shell shell = null) { |
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264 return showMessageBox( str, title, shell, DWT.OK | DWT.ICON_WARNING ); |
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265 } |
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266 /// DWT extension |
| 238 | 267 public static int showError(String str, String title = null, Shell shell = null) { |
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268 return showMessageBox( str, title, shell, DWT.OK | DWT.ICON_ERROR ); |
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269 } |
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270 |
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271 } |