Mercurial > projects > dwt-linux
annotate dwt/widgets/MessageBox.d @ 238:380bad9f6852
reverted char[] to String
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 05 May 2008 00:42:55 +0200 |
| parents | e3472c527a14 |
| children | ce446666f5a2 |
| rev | line source |
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1 /******************************************************************************* |
| 83 | 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> | |
| 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 import tango.stdc.stringz; | |
| 27 | |
| 28 /** | |
| 29 * Instances of this class are used to inform or warn the user. | |
| 30 * <dl> | |
| 31 * <dt><b>Styles:</b></dt> | |
| 32 * <dd>ICON_ERROR, ICON_INFORMATION, ICON_QUESTION, ICON_WARNING, ICON_WORKING</dd> | |
| 33 * <dd>OK, OK | CANCEL</dd> | |
| 34 * <dd>YES | NO, YES | NO | CANCEL</dd> | |
| 35 * <dd>RETRY | CANCEL</dd> | |
| 36 * <dd>ABORT | RETRY | IGNORE</dd> | |
| 37 * <dt><b>Events:</b></dt> | |
| 38 * <dd>(none)</dd> | |
| 39 * </dl> | |
| 40 * <p> | |
| 41 * Note: Only one of the styles ICON_ERROR, ICON_INFORMATION, ICON_QUESTION, | |
| 42 * ICON_WARNING and ICON_WORKING may be specified. | |
| 43 * </p><p> | |
| 44 * IMPORTANT: This class is intended to be subclassed <em>only</em> | |
| 45 * within the DWT implementation. | |
| 46 * </p> | |
| 47 */ | |
| 48 public class MessageBox : Dialog { | |
| 49 | |
| 238 | 50 String message = ""; |
| 83 | 51 GtkWidget* handle; |
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52 private bool allowNullParent = false; |
| 83 | 53 /** |
| 54 * Constructs a new instance of this class given only its parent. | |
| 55 * | |
| 56 * @param parent a shell which will be the parent of the new instance | |
| 57 * | |
| 58 * @exception IllegalArgumentException <ul> | |
| 59 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 60 * </ul> | |
| 61 * @exception DWTException <ul> | |
| 62 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 63 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 64 * </ul> | |
| 65 */ | |
| 66 public this (Shell parent) { | |
| 67 this (parent, DWT.OK | DWT.ICON_INFORMATION | DWT.APPLICATION_MODAL); | |
| 68 } | |
| 69 | |
| 70 /** | |
| 71 * Constructs a new instance of this class given its parent | |
| 72 * and a style value describing its behavior and appearance. | |
| 73 * <p> | |
| 74 * The style value is either one of the style constants defined in | |
| 75 * class <code>DWT</code> which is applicable to instances of this | |
| 76 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 77 * (that is, using the <code>int</code> "|" operator) two or more | |
| 78 * of those <code>DWT</code> style constants. The class description | |
| 79 * lists the style constants that are applicable to the class. | |
| 80 * Style bits are also inherited from superclasses. | |
| 81 * | |
| 82 * @param parent a shell which will be the parent of the new instance | |
| 83 * @param style the style of dialog to construct | |
| 84 * | |
| 85 * @exception IllegalArgumentException <ul> | |
| 86 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 87 * </ul> | |
| 88 * @exception DWTException <ul> | |
| 89 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 90 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 91 * </ul> | |
| 92 */ | |
| 93 public this (Shell parent, int style) { | |
| 94 super(parent, checkStyle(style)); | |
| 95 checkSubclass (); | |
| 96 } | |
| 97 | |
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98 /++ |
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99 + DWT extension, a MessageBox with no parent |
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100 +/ |
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101 public this (int style) { |
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102 allowNullParent = true; |
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103 super (parent, checkStyle (style)); |
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104 checkSubclass (); |
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105 } |
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106 // PORT |
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107 // actually, the parent can be null |
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108 override void checkParent (Shell parent){ |
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109 if( !allowNullParent ){ |
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110 super.checkParent( parent ); |
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111 } |
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112 } |
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113 |
| 83 | 114 /** |
| 115 * Returns the dialog's message, or an empty string if it does not have one. | |
| 116 * The message is a description of the purpose for which the dialog was opened. | |
| 117 * This message will be visible in the dialog while it is open. | |
| 118 * | |
| 119 * @return the message | |
| 120 */ | |
| 238 | 121 public String getMessage () { |
| 83 | 122 return message; |
| 123 } | |
| 124 | |
| 125 /** | |
| 126 * Sets the dialog's message, which is a description of | |
| 127 * the purpose for which it was opened. This message will be | |
| 128 * visible on the dialog while it is open. | |
| 129 * | |
| 130 * @param string the message | |
| 131 * | |
| 132 * @exception IllegalArgumentException <ul> | |
| 133 * <li>ERROR_NULL_ARGUMENT - if the string is null</li> | |
| 134 * </ul> | |
| 135 */ | |
| 238 | 136 public void setMessage (String string) { |
| 83 | 137 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); |
| 138 message = string; | |
| 139 } | |
| 140 | |
| 141 /** | |
| 142 * Makes the dialog visible and brings it to the front | |
| 143 * of the display. | |
| 144 * | |
| 145 * @return the ID of the button that was selected to dismiss the | |
| 146 * message box (e.g. DWT.OK, DWT.CANCEL, etc.) | |
| 147 * | |
| 148 * @exception DWTException <ul> | |
| 149 * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li> | |
| 150 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li> | |
| 151 * </ul> | |
| 152 */ | |
| 153 public int open () { | |
| 154 GtkWidget* parentHandle = (parent !is null) ? parent.topHandle() : null; | |
| 155 int dialogFlags = OS.GTK_DIALOG_DESTROY_WITH_PARENT; | |
| 156 if ((style & (DWT.PRIMARY_MODAL | DWT.APPLICATION_MODAL | DWT.SYSTEM_MODAL)) !is 0) { | |
| 157 dialogFlags |= OS.GTK_DIALOG_MODAL; | |
| 158 } | |
| 159 int messageType = OS.GTK_MESSAGE_INFO; | |
| 160 if ((style & (DWT.ICON_WARNING)) !is 0) messageType = OS.GTK_MESSAGE_WARNING; | |
| 161 if ((style & (DWT.ICON_QUESTION)) !is 0) messageType = OS.GTK_MESSAGE_QUESTION; | |
| 162 if ((style & (DWT.ICON_ERROR)) !is 0) messageType = OS.GTK_MESSAGE_ERROR; | |
| 163 | |
| 164 char* buffer = toStringz( fixPercent (message)); | |
| 165 handle = cast(GtkWidget*)OS.gtk_message_dialog_new(parentHandle, dialogFlags, messageType, 0, buffer); | |
| 166 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES); | |
| 167 if (parentHandle !is null) { | |
| 168 auto pixbufs = OS.gtk_window_get_icon_list (parentHandle); | |
| 169 if (pixbufs !is null) { | |
| 170 OS.gtk_window_set_icon_list (handle, pixbufs); | |
| 171 OS.g_list_free (pixbufs); | |
| 172 } | |
| 173 } | |
| 174 createButtons(); | |
| 175 buffer = toStringz(title); | |
| 176 OS.gtk_window_set_title(handle,buffer); | |
| 177 Display display = parent !is null ? parent.getDisplay (): Display.getCurrent (); | |
| 178 display.addIdleProc (); | |
| 179 int result = OS.gtk_dialog_run (handle); | |
| 180 display.removeIdleProc (); | |
| 181 OS.gtk_widget_destroy (handle); | |
| 182 return result; | |
| 183 } | |
| 184 | |
| 185 private void createButtons() { | |
| 186 if ((style & DWT.OK) !is 0) OS.gtk_dialog_add_button(handle, "gtk-ok".ptr, DWT.OK); | |
| 187 if ((style & DWT.CANCEL) !is 0) OS.gtk_dialog_add_button(handle, "gtk-cancel".ptr, DWT.CANCEL); | |
| 188 if ((style & DWT.YES) !is 0) OS.gtk_dialog_add_button(handle, "gtk-yes".ptr, DWT.YES); | |
| 189 if ((style & DWT.NO) !is 0) OS.gtk_dialog_add_button(handle, "gtk-no".ptr, DWT.NO); | |
| 190 if ((style & DWT.ABORT) !is 0) OS.gtk_dialog_add_button(handle, toStringz( DWT.getMessage("SWT_Abort")), DWT.ABORT); | |
| 191 if ((style & DWT.RETRY) !is 0) OS.gtk_dialog_add_button(handle, toStringz( DWT.getMessage("SWT_Retry")), DWT.RETRY); | |
| 192 if ((style & DWT.IGNORE) !is 0) OS.gtk_dialog_add_button(handle, toStringz( DWT.getMessage("SWT_Ignore")), DWT.IGNORE); | |
| 193 } | |
| 194 | |
| 195 private static int checkStyle (int style) { | |
| 196 int mask = (DWT.YES | DWT.NO | DWT.OK | DWT.CANCEL | DWT.ABORT | DWT.RETRY | DWT.IGNORE); | |
| 197 int bits = style & mask; | |
| 198 if (bits is DWT.OK || bits is DWT.CANCEL || bits is (DWT.OK | DWT.CANCEL)) return style; | |
| 199 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; | |
| 200 if (bits is (DWT.RETRY | DWT.CANCEL) || bits is (DWT.ABORT | DWT.RETRY | DWT.IGNORE)) return style; | |
| 201 style = (style & ~mask) | DWT.OK; | |
| 202 return style; | |
| 203 } | |
| 204 | |
| 238 | 205 char[] fixPercent (String string) { |
| 83 | 206 int i = 0, j = 0; |
| 238 | 207 char [] result = new String( string.length * 2 ); |
| 83 | 208 while (i < string.length) { |
| 209 switch (string [i]) { | |
| 210 case '%': | |
| 211 result [j++] = '%'; | |
| 212 break; | |
| 213 default: | |
| 214 } | |
| 215 result [j++] = string [i++]; | |
| 216 } | |
| 217 return result[ 0 .. j ]; | |
| 218 } | |
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219 |
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220 |
| 210 | 221 /++ |
| 222 + DWT extension | |
| 223 +/ | |
| 238 | 224 public static int showMessageBox(String str, String title, Shell shell, int style) { |
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225 MessageBox msgBox = (shell is null ) ? new MessageBox( style ) : new MessageBox(shell, style); |
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226 msgBox.setMessage(str); |
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227 if(title !is null){ |
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228 msgBox.setText(title); |
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229 } |
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230 return msgBox.open(); |
| 83 | 231 } |
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232 |
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233 /// DWT extension |
| 238 | 234 public static int showInfo(String str, String title = null, Shell shell = null) { |
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235 return showMessageBox( str, title, shell, DWT.OK | DWT.ICON_INFORMATION ); |
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236 } |
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237 /// DWT extension |
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238 alias showInfo showInformation; |
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239 |
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240 /// DWT extension |
| 238 | 241 public static int showWarning(String str, String title = null, Shell shell = null) { |
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242 return showMessageBox( str, title, shell, DWT.OK | DWT.ICON_WARNING ); |
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243 } |
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244 /// DWT extension |
| 238 | 245 public static int showError(String str, String title = null, Shell shell = null) { |
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246 return showMessageBox( str, title, shell, DWT.OK | DWT.ICON_ERROR ); |
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247 } |
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248 |
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249 } |