Mercurial > projects > dwt-linux
annotate dwt/widgets/ColorDialog.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 |
|---|---|
| 240 | 1 /******************************************************************************* |
| 77 | 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> | |
| 77 | 12 *******************************************************************************/ |
| 13 module dwt.widgets.ColorDialog; | |
| 14 | |
| 15 import dwt.DWT; | |
| 16 import dwt.DWTException; | |
| 17 import dwt.graphics.PaletteData; | |
| 18 import dwt.graphics.RGB; | |
| 19 import dwt.internal.gtk.OS; | |
| 20 import dwt.widgets.Dialog; | |
| 21 import dwt.widgets.Shell; | |
| 22 import dwt.widgets.Display; | |
| 23 | |
|
255
5a30aa9820f3
removed tango.stdc.stringz imports and allow null for arrays and string arguments.
Frank Benoit <benoit@tionex.de>
parents:
240
diff
changeset
|
24 import dwt.dwthelper.utils; |
| 77 | 25 |
| 26 /** | |
| 27 * Instances of this class allow the user to select a color | |
| 28 * from a predefined set of available colors. | |
| 29 * <dl> | |
| 30 * <dt><b>Styles:</b></dt> | |
| 31 * <dd>(none)</dd> | |
| 32 * <dt><b>Events:</b></dt> | |
| 33 * <dd>(none)</dd> | |
| 34 * </dl> | |
| 35 * <p> | |
| 36 * IMPORTANT: This class is intended to be subclassed <em>only</em> | |
| 37 * within the DWT implementation. | |
| 38 * </p> | |
| 39 */ | |
| 40 public class ColorDialog : Dialog { | |
| 41 RGB rgb; | |
| 42 /** | |
| 43 * Constructs a new instance of this class given only its parent. | |
| 44 * | |
| 45 * @param parent a composite control which will be the parent of the new instance | |
| 46 * | |
| 47 * @exception IllegalArgumentException <ul> | |
| 48 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 49 * </ul> | |
| 50 * @exception DWTException <ul> | |
| 51 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 52 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 53 * </ul> | |
| 54 * | |
| 55 * @see DWT | |
| 56 * @see Widget#checkSubclass | |
| 57 * @see Widget#getStyle | |
| 58 */ | |
| 59 public this (Shell parent) { | |
| 240 | 60 this (parent, DWT.APPLICATION_MODAL); |
| 77 | 61 } |
| 62 /** | |
| 63 * Constructs a new instance of this class given its parent | |
| 64 * and a style value describing its behavior and appearance. | |
| 65 * <p> | |
| 66 * The style value is either one of the style constants defined in | |
| 67 * class <code>DWT</code> which is applicable to instances of this | |
| 68 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 69 * (that is, using the <code>int</code> "|" operator) two or more | |
| 70 * of those <code>DWT</code> style constants. The class description | |
| 71 * lists the style constants that are applicable to the class. | |
| 72 * Style bits are also inherited from superclasses. | |
| 73 * </p> | |
| 74 * | |
| 75 * @param parent a composite control which will be the parent of the new instance (cannot be null) | |
| 76 * @param style the style of control to construct | |
| 77 * | |
| 78 * @exception IllegalArgumentException <ul> | |
| 79 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 80 * </ul> | |
| 81 * @exception DWTException <ul> | |
| 82 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 83 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> | |
| 84 * </ul> | |
| 85 * | |
| 86 * @see DWT | |
| 87 * @see Widget#checkSubclass | |
| 88 * @see Widget#getStyle | |
| 89 */ | |
| 90 public this (Shell parent, int style) { | |
| 240 | 91 super (parent, checkStyle (parent, style)); |
| 77 | 92 checkSubclass (); |
| 93 } | |
| 94 | |
| 95 /** | |
| 96 * Returns the currently selected color in the receiver. | |
| 97 * | |
| 98 * @return the RGB value for the selected color, may be null | |
| 99 * | |
| 100 * @see PaletteData#getRGBs | |
| 101 */ | |
| 102 public RGB getRGB () { | |
| 103 return rgb; | |
| 104 } | |
| 105 /** | |
| 106 * Makes the receiver visible and brings it to the front | |
| 107 * of the display. | |
| 108 * | |
| 109 * @return the selected color, or null if the dialog was | |
| 110 * cancelled, no color was selected, or an error | |
| 111 * occurred | |
| 112 * | |
| 113 * @exception DWTException <ul> | |
| 114 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 115 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 116 * </ul> | |
| 117 */ | |
| 118 public RGB open () { | |
| 119 char* buffer = toStringz(title); | |
| 120 auto handle = cast(GtkWidget*)OS.gtk_color_selection_dialog_new (buffer); | |
| 240 | 121 Display display = parent !is null ? parent.getDisplay (): Display.getCurrent (); |
| 77 | 122 if (parent !is null) { |
| 123 auto shellHandle = parent.topHandle (); | |
| 124 OS.gtk_window_set_transient_for (handle, shellHandle); | |
| 125 auto pixbufs = OS.gtk_window_get_icon_list (shellHandle); | |
| 126 if (pixbufs !is null) { | |
| 127 OS.gtk_window_set_icon_list (handle, pixbufs); | |
| 128 OS.g_list_free (pixbufs); | |
| 129 } | |
| 130 } | |
| 131 GtkColorSelectionDialog* dialog = cast(GtkColorSelectionDialog*)handle; | |
| 132 GdkColor color; | |
| 133 if (rgb !is null) { | |
| 134 color.red = cast(short)((rgb.red & 0xFF) | ((rgb.red & 0xFF) << 8)); | |
| 135 color.green = cast(short)((rgb.green & 0xFF) | ((rgb.green & 0xFF) << 8)); | |
| 136 color.blue = cast(short)((rgb.blue & 0xFF) | ((rgb.blue & 0xFF) << 8)); | |
| 137 OS.gtk_color_selection_set_current_color (dialog.colorsel, &color); | |
| 138 } | |
| 139 OS.gtk_color_selection_set_has_palette (dialog.colorsel, true); | |
| 140 display.addIdleProc (); | |
| 240 | 141 Dialog oldModal = null; |
| 142 if (OS.gtk_window_get_modal (handle)) { | |
| 143 oldModal = display.getModalDialog (); | |
| 144 display.setModalDialog (this); | |
| 145 } | |
| 146 int signalId = 0; | |
| 147 int /*long*/ hookId = 0; | |
| 148 CallbackData emissionData; | |
| 149 emissionData.display = display; | |
| 150 emissionData.data = handle; | |
| 151 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { | |
| 152 signalId = OS.g_signal_lookup (OS.map.ptr, OS.GTK_TYPE_WIDGET()); | |
| 153 hookId = OS.g_signal_add_emission_hook (signalId, 0, &Display.emissionFunc, &emissionData, null); | |
| 154 } | |
| 77 | 155 int response = OS.gtk_dialog_run (handle); |
| 240 | 156 if ((style & DWT.RIGHT_TO_LEFT) !is 0) { |
| 157 OS.g_signal_remove_emission_hook (signalId, hookId); | |
| 158 } | |
| 159 if (OS.gtk_window_get_modal (handle)) { | |
| 160 display.setModalDialog (oldModal); | |
| 161 } | |
| 77 | 162 bool success = response is OS.GTK_RESPONSE_OK; |
| 163 if (success) { | |
| 164 OS.gtk_color_selection_get_current_color (dialog.colorsel, &color); | |
| 165 int red = (color.red >> 8) & 0xFF; | |
| 166 int green = (color.green >> 8) & 0xFF; | |
| 167 int blue = (color.blue >> 8) & 0xFF; | |
| 168 rgb = new RGB (red, green, blue); | |
| 169 } | |
| 170 display.removeIdleProc (); | |
| 171 OS.gtk_widget_destroy (handle); | |
| 172 if (!success) return null; | |
| 173 return rgb; | |
| 174 } | |
| 175 /** | |
| 176 * Sets the receiver's selected color to be the argument. | |
| 177 * | |
| 178 * @param rgb the new RGB value for the selected color, may be | |
| 179 * null to let the platform select a default when | |
| 180 * open() is called | |
| 181 * @see PaletteData#getRGBs | |
| 182 */ | |
| 183 public void setRGB (RGB rgb) { | |
| 184 this.rgb = rgb; | |
| 185 } | |
| 186 } |