Mercurial > projects > dwt-mac
annotate dwt/widgets/ColorDialog.d @ 3:649b8e223d5a
fix extends
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 27 Aug 2008 13:48:25 +0200 |
parents | 380af2bdd8e5 |
children | 1a8b3cb347e0 |
rev | line source |
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2004 IBM Corporation and others. |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 *******************************************************************************/ |
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11 module dwt.widgets.ColorDialog; |
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12 |
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13 import dwt.dwthelper.utils; |
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14 |
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15 |
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16 import dwt.DWT; |
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17 import dwt.DWTException; |
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18 import dwt.graphics.PaletteData; |
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19 import dwt.graphics.RGB; |
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20 import dwt.internal.cocoa.NSApplication; |
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21 import dwt.internal.cocoa.NSColor; |
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22 import dwt.internal.cocoa.NSColorPanel; |
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23 import dwt.internal.cocoa.NSString; |
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24 import dwt.internal.cocoa.OS; |
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25 import dwt.internal.cocoa.SWTPanelDelegate; |
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26 |
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27 /** |
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28 * Instances of this class allow the user to select a color |
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29 * from a predefined set of available colors. |
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30 * <dl> |
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31 * <dt><b>Styles:</b></dt> |
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32 * <dd>(none)</dd> |
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33 * <dt><b>Events:</b></dt> |
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34 * <dd>(none)</dd> |
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35 * </dl> |
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36 * <p> |
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37 * IMPORTANT: This class is intended to be subclassed <em>only</em> |
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38 * within the DWT implementation. |
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39 * </p> |
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40 */ |
3 | 41 public class ColorDialog : Dialog { |
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42 RGB rgb; |
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43 |
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44 /** |
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45 * Constructs a new instance of this class given only its parent. |
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46 * |
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47 * @param parent a composite control which will be the parent of the new instance |
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48 * |
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49 * @exception IllegalArgumentException <ul> |
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50 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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51 * </ul> |
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52 * @exception DWTException <ul> |
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53 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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54 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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55 * </ul> |
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56 * |
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57 * @see DWT |
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58 * @see Widget#checkSubclass |
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59 * @see Widget#getStyle |
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60 */ |
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61 public ColorDialog(Shell parent) { |
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62 this(parent, DWT.APPLICATION_MODAL); |
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63 } |
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64 |
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65 /** |
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66 * Constructs a new instance of this class given its parent |
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67 * and a style value describing its behavior and appearance. |
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68 * <p> |
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69 * The style value is either one of the style constants defined in |
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70 * class <code>DWT</code> which is applicable to instances of this |
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71 * class, or must be built by <em>bitwise OR</em>'ing together |
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72 * (that is, using the <code>int</code> "|" operator) two or more |
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73 * of those <code>DWT</code> style constants. The class description |
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74 * lists the style constants that are applicable to the class. |
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75 * Style bits are also inherited from superclasses. |
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76 * </p> |
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77 * |
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78 * @param parent a composite control which will be the parent of the new instance (cannot be null) |
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79 * @param style the style of control to construct |
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80 * |
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81 * @exception IllegalArgumentException <ul> |
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82 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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83 * </ul> |
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84 * @exception DWTException <ul> |
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85 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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86 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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87 * </ul> |
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88 * |
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89 * @see DWT |
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90 * @see Widget#checkSubclass |
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91 * @see Widget#getStyle |
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92 */ |
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93 public ColorDialog(Shell parent, int style) { |
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94 super(parent, style); |
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95 checkSubclass (); |
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96 } |
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97 |
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98 void changeColor(int sender) { |
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99 //TODO |
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100 } |
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101 |
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102 /** |
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103 * Returns the currently selected color in the receiver. |
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104 * |
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105 * @return the RGB value for the selected color, may be null |
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106 * |
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107 * @see PaletteData#getRGBs |
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108 */ |
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109 public RGB getRGB() { |
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110 return rgb; |
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111 } |
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112 |
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113 /** |
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114 * Makes the receiver visible and brings it to the front |
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115 * of the display. |
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116 * |
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117 * @return the selected color, or null if the dialog was |
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118 * cancelled, no color was selected, or an error |
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119 * occurred |
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120 * |
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121 * @exception DWTException <ul> |
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122 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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123 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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124 * </ul> |
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125 */ |
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126 public RGB open() { |
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127 NSColorPanel panel = NSColorPanel.sharedColorPanel(); |
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128 if (rgb !is null) { |
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129 NSColor color = NSColor.colorWithDeviceRed(rgb.red / 255f, rgb.green / 255f, rgb.blue / 255f, 1); |
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130 panel.setColor(color); |
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131 } |
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132 SWTPanelDelegate delegate = (SWTPanelDelegate)new SWTPanelDelegate().alloc().init(); |
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133 int jniRef = OS.NewGlobalRef(this); |
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134 if (jniRef is 0) DWT.error(DWT.ERROR_NO_HANDLES); |
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135 delegate.setTag(jniRef); |
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136 panel.setDelegate(delegate); |
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137 rgb = null; |
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138 panel.orderFront(null); |
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139 NSApplication.sharedApplication().runModalForWindow_(panel); |
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140 panel.setDelegate(null); |
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141 delegate.release(); |
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142 OS.DeleteGlobalRef(jniRef); |
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143 NSColor color = panel.color(); |
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144 if (color !is null) { |
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145 color = color.colorUsingColorSpaceName_(NSString.stringWith("NSCalibratedRGBColorSpace")); |
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146 rgb = new RGB((int)(color.redComponent() * 255), (int)(color.greenComponent() * 255), (int)(color.blueComponent() * 255)); |
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147 } |
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148 return rgb; |
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149 } |
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150 |
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151 /** |
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152 * Sets the receiver's selected color to be the argument. |
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153 * |
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154 * @param rgb the new RGB value for the selected color, may be |
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155 * null to let the platform select a default when |
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156 * open() is called |
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157 * @see PaletteData#getRGBs |
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158 */ |
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159 public void setRGB(RGB rgb) { |
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160 this.rgb = rgb; |
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161 } |
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162 |
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163 void windowWillClose(int sender) { |
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164 NSApplication.sharedApplication().stop(null); |
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165 } |
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166 } |