Mercurial > projects > dwt-mac
annotate dwt/widgets/Tracker.d @ 156:969e7de37c3d default tip
Fixes to get dwt to work with dmd and ldc
author | Jacob Carlborg <doob@me.com> |
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date | Wed, 08 Jul 2009 21:56:44 +0200 |
parents | 63a09873578e |
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rev | line source |
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45 | 1 /******************************************************************************* |
2 * Copyright (c) 2000, 2008 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 |
86 | 10 * |
11 * Port to the D programming language: | |
12 * Jacob Carlborg <doob@me.com> | |
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13 *******************************************************************************/ |
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14 module dwt.widgets.Tracker; |
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15 |
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16 import dwt.dwthelper.utils; |
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17 |
123 | 18 |
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19 import dwt.DWT; |
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20 import dwt.DWTException; |
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21 import dwt.events.ControlListener; |
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22 import dwt.events.KeyListener; |
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23 import dwt.graphics.Cursor; |
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24 import dwt.graphics.Point; |
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25 import dwt.graphics.Rectangle; |
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26 import dwt.internal.cocoa.NSAffineTransform; |
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27 import dwt.internal.cocoa.NSApplication; |
45 | 28 import dwt.internal.cocoa.NSArray; |
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29 import dwt.internal.cocoa.NSAutoreleasePool; |
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30 import dwt.internal.cocoa.NSBezierPath; |
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31 import dwt.internal.cocoa.NSDate; |
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32 import dwt.internal.cocoa.NSEvent; |
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33 import dwt.internal.cocoa.NSGraphicsContext; |
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34 import dwt.internal.cocoa.NSPoint; |
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35 import dwt.internal.cocoa.NSRect; |
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36 import dwt.internal.cocoa.NSScreen; |
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37 import dwt.internal.cocoa.NSWindow; |
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38 import dwt.internal.cocoa.OS; |
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39 |
90 | 40 import Carbon = dwt.internal.c.Carbon; |
86 | 41 import dwt.internal.objc.cocoa.Cocoa; |
42 import dwt.widgets.Composite; | |
43 import dwt.widgets.Control; | |
44 import dwt.widgets.Display; | |
45 import dwt.widgets.Event; | |
46 import dwt.widgets.TypedListener; | |
47 import dwt.widgets.Widget; | |
48 | |
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49 /** |
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50 * Instances of this class implement rubber banding rectangles that are |
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51 * drawn onto a parent <code>Composite</code> or <code>Display</code>. |
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52 * These rectangles can be specified to respond to mouse and key events |
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53 * by either moving or resizing themselves accordingly. Trackers are |
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54 * typically used to represent window geometries in a lightweight manner. |
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55 * |
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56 * <dl> |
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57 * <dt><b>Styles:</b></dt> |
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58 * <dd>LEFT, RIGHT, UP, DOWN, RESIZE</dd> |
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59 * <dt><b>Events:</b></dt> |
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60 * <dd>Move, Resize</dd> |
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61 * </dl> |
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62 * <p> |
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63 * Note: Rectangle move behavior is assumed unless RESIZE is specified. |
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64 * </p><p> |
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65 * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
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66 * </p> |
45 | 67 * |
68 * @see <a href="http://www.eclipse.org/swt/snippets/#tracker">Tracker snippets</a> | |
69 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
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70 */ |
3 | 71 public class Tracker : Widget { |
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72 Control parent; |
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73 bool tracking, cancelled, stippled; |
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74 Cursor clientCursor, resizeCursor; |
86 | 75 Rectangle [] rectangles; |
76 Rectangle [] proportions; | |
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77 Rectangle bounds; |
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78 int cursorOrientation = DWT.NONE; |
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79 bool inEvent = false; |
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80 NSWindow window; |
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81 int oldX, oldY; |
123 | 82 |
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83 /* |
123 | 84 * The following values mirror step sizes on Windows |
85 */ | |
86 | 86 const static int STEPSIZE_SMALL = 1; |
87 const static int STEPSIZE_LARGE = 9; | |
88 | |
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89 /** |
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90 * Constructs a new instance of this class given its parent |
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91 * and a style value describing its behavior and appearance. |
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92 * <p> |
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93 * The style value is either one of the style constants defined in |
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94 * class <code>DWT</code> which is applicable to instances of this |
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95 * class, or must be built by <em>bitwise OR</em>'ing together |
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96 * (that is, using the <code>int</code> "|" operator) two or more |
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97 * of those <code>DWT</code> style constants. The class description |
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98 * lists the style constants that are applicable to the class. |
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99 * Style bits are also inherited from superclasses. |
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100 * </p> |
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101 * |
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102 * @param parent a widget which will be the parent of the new instance (cannot be null) |
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103 * @param style the style of widget to construct |
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104 * |
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105 * @exception IllegalArgumentException <ul> |
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106 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
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107 * </ul> |
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108 * @exception DWTException <ul> |
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109 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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110 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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111 * </ul> |
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112 * |
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113 * @see DWT#LEFT |
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114 * @see DWT#RIGHT |
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115 * @see DWT#UP |
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116 * @see DWT#DOWN |
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117 * @see DWT#RESIZE |
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118 * @see Widget#checkSubclass |
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119 * @see Widget#getStyle |
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120 */ |
5 | 121 public this (Composite parent, int style) { |
90 | 122 rectangles = new Rectangle [0]; |
123 proportions = rectangles; | |
124 | |
0
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125 super (parent, checkStyle (style)); |
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126 this.parent = parent; |
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127 } |
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128 |
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129 /** |
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130 * Constructs a new instance of this class given the display |
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131 * to create it on and a style value describing its behavior |
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132 * and appearance. |
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133 * <p> |
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134 * The style value is either one of the style constants defined in |
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135 * class <code>DWT</code> which is applicable to instances of this |
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136 * class, or must be built by <em>bitwise OR</em>'ing together |
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137 * (that is, using the <code>int</code> "|" operator) two or more |
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138 * of those <code>DWT</code> style constants. The class description |
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139 * lists the style constants that are applicable to the class. |
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140 * Style bits are also inherited from superclasses. |
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141 * </p><p> |
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142 * Note: Currently, null can be passed in for the display argument. |
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143 * This has the effect of creating the tracker on the currently active |
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144 * display if there is one. If there is no current display, the |
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145 * tracker is created on a "default" display. <b>Passing in null as |
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146 * the display argument is not considered to be good coding style, |
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147 * and may not be supported in a future release of DWT.</b> |
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148 * </p> |
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149 * |
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150 * @param display the display to create the tracker on |
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151 * @param style the style of control to construct |
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152 * |
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153 * @exception DWTException <ul> |
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154 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
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155 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
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156 * </ul> |
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157 * |
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158 * @see DWT#LEFT |
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159 * @see DWT#RIGHT |
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160 * @see DWT#UP |
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161 * @see DWT#DOWN |
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162 */ |
5 | 163 public this (Display display, int style) { |
90 | 164 rectangles = new Rectangle [0]; |
165 proportions = rectangles; | |
166 | |
0
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167 if (display is null) display = Display.getCurrent (); |
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168 if (display is null) display = Display.getDefault (); |
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169 if (!display.isValidThread ()) { |
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170 error (DWT.ERROR_THREAD_INVALID_ACCESS); |
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171 } |
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172 this.style = checkStyle (style); |
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173 this.display = display; |
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174 } |
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175 |
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176 /** |
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177 * Adds the listener to the collection of listeners who will |
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178 * be notified when the control is moved or resized, by sending |
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179 * it one of the messages defined in the <code>ControlListener</code> |
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180 * interface. |
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181 * |
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182 * @param listener the listener which should be notified |
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183 * |
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184 * @exception IllegalArgumentException <ul> |
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185 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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186 * </ul> |
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187 * @exception DWTException <ul> |
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188 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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189 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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190 * </ul> |
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191 * |
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192 * @see ControlListener |
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193 * @see #removeControlListener |
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194 */ |
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195 public void addControlListener (ControlListener listener) { |
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196 checkWidget (); |
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197 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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198 TypedListener typedListener = new TypedListener (listener); |
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199 addListener (DWT.Resize, typedListener); |
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200 addListener (DWT.Move, typedListener); |
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201 } |
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202 |
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203 /** |
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204 * Adds the listener to the collection of listeners who will |
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205 * be notified when keys are pressed and released on the system keyboard, by sending |
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206 * it one of the messages defined in the <code>KeyListener</code> |
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207 * interface. |
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208 * |
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209 * @param listener the listener which should be notified |
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210 * |
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211 * @exception IllegalArgumentException <ul> |
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212 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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213 * </ul> |
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214 * @exception DWTException <ul> |
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215 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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216 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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217 * </ul> |
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218 * |
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219 * @see KeyListener |
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220 * @see #removeKeyListener |
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221 */ |
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222 public void addKeyListener(KeyListener listener) { |
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223 checkWidget(); |
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224 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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225 TypedListener typedListener = new TypedListener (listener); |
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226 addListener(DWT.KeyUp,typedListener); |
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227 addListener(DWT.KeyDown,typedListener); |
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228 } |
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229 |
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230 Point adjustMoveCursor () { |
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231 if (bounds is null) return null; |
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232 int newX = bounds.x + bounds.width / 2; |
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233 int newY = bounds.y; |
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234 /* |
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235 * Convert to screen coordinates if needed |
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236 */ |
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237 if (parent !is null) { |
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238 Point pt = parent.toDisplay (newX, newY); |
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239 newX = pt.x; |
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240 newY = pt.y; |
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241 } |
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242 display.setCursorLocation(newX, newY); |
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243 return new Point (newX, newY); |
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244 } |
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245 |
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246 Point adjustResizeCursor (bool movePointer) { |
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247 if (bounds is null) return null; |
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248 int newX, newY; |
123 | 249 |
0
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250 if ((cursorOrientation & DWT.LEFT) !is 0) { |
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251 newX = bounds.x; |
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252 } else if ((cursorOrientation & DWT.RIGHT) !is 0) { |
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253 newX = bounds.x + bounds.width; |
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254 } else { |
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255 newX = bounds.x + bounds.width / 2; |
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256 } |
123 | 257 |
0
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258 if ((cursorOrientation & DWT.UP) !is 0) { |
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259 newY = bounds.y; |
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260 } else if ((cursorOrientation & DWT.DOWN) !is 0) { |
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261 newY = bounds.y + bounds.height; |
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262 } else { |
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263 newY = bounds.y + bounds.height / 2; |
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264 } |
123 | 265 |
0
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266 /* |
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267 * Convert to screen coordinates if needed |
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268 */ |
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269 if (parent !is null) { |
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270 Point pt = parent.toDisplay (newX, newY); |
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271 newX = pt.x; |
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272 newY = pt.y; |
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273 } |
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274 if (movePointer) { |
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275 display.setCursorLocation(newX, newY); |
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276 } |
123 | 277 |
0
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278 /* |
123 | 279 * If the client has not provided a custom cursor then determine |
280 * the appropriate resize cursor. | |
281 */ | |
0
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282 if (clientCursor is null) { |
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283 Cursor newCursor = null; |
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284 switch (cursorOrientation) { |
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285 case DWT.UP: |
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286 newCursor = new Cursor(display, DWT.CURSOR_SIZENS); |
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287 break; |
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288 case DWT.DOWN: |
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289 newCursor = new Cursor(display, DWT.CURSOR_SIZENS); |
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290 break; |
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291 case DWT.LEFT: |
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292 newCursor = new Cursor(display, DWT.CURSOR_SIZEWE); |
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293 break; |
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294 case DWT.RIGHT: |
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295 newCursor = new Cursor(display, DWT.CURSOR_SIZEWE); |
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296 break; |
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297 case DWT.LEFT | DWT.UP: |
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298 newCursor = new Cursor(display, DWT.CURSOR_SIZENWSE); |
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299 break; |
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300 case DWT.RIGHT | DWT.DOWN: |
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301 newCursor = new Cursor(display, DWT.CURSOR_SIZENWSE); |
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302 break; |
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303 case DWT.LEFT | DWT.DOWN: |
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304 newCursor = new Cursor(display, DWT.CURSOR_SIZENESW); |
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305 break; |
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306 case DWT.RIGHT | DWT.UP: |
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307 newCursor = new Cursor(display, DWT.CURSOR_SIZENESW); |
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308 break; |
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309 default: |
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310 newCursor = new Cursor(display, DWT.CURSOR_SIZEALL); |
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311 break; |
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312 } |
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313 newCursor.handle.set(); |
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314 if (resizeCursor !is null) { |
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315 resizeCursor.dispose (); |
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316 } |
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317 resizeCursor = newCursor; |
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318 } |
123 | 319 |
0
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320 return new Point (newX, newY); |
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321 } |
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322 |
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323 static int checkStyle (int style) { |
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324 if ((style & (DWT.LEFT | DWT.RIGHT | DWT.UP | DWT.DOWN)) is 0) { |
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325 style |= DWT.LEFT | DWT.RIGHT | DWT.UP | DWT.DOWN; |
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326 } |
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327 return style; |
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328 } |
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329 |
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330 /** |
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331 * Stops displaying the tracker rectangles. Note that this is not considered |
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332 * to be a cancelation by the user. |
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333 * |
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334 * @exception DWTException <ul> |
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335 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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336 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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337 * </ul> |
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338 */ |
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339 public void close () { |
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340 checkWidget (); |
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341 tracking = false; |
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342 } |
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343 Rectangle computeBounds () { |
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344 if (rectangles.length is 0) return null; |
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345 int xMin = rectangles [0].x; |
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346 int yMin = rectangles [0].y; |
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347 int xMax = rectangles [0].x + rectangles [0].width; |
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348 int yMax = rectangles [0].y + rectangles [0].height; |
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349 |
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350 for (int i = 1; i < rectangles.length; i++) { |
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351 if (rectangles [i].x < xMin) xMin = rectangles [i].x; |
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352 if (rectangles [i].y < yMin) yMin = rectangles [i].y; |
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353 int rectRight = rectangles [i].x + rectangles [i].width; |
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354 if (rectRight > xMax) xMax = rectRight; |
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355 int rectBottom = rectangles [i].y + rectangles [i].height; |
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356 if (rectBottom > yMax) yMax = rectBottom; |
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357 } |
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358 |
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359 return new Rectangle (xMin, yMin, xMax - xMin, yMax - yMin); |
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360 } |
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361 |
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362 Rectangle [] computeProportions (Rectangle [] rects) { |
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363 Rectangle [] result = new Rectangle [rects.length]; |
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364 bounds = computeBounds (); |
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365 if (bounds !is null) { |
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366 for (int i = 0; i < rects.length; i++) { |
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367 int x = 0, y = 0, width = 0, height = 0; |
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368 if (bounds.width !is 0) { |
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369 x = (rects [i].x - bounds.x) * 100 / bounds.width; |
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370 width = rects [i].width * 100 / bounds.width; |
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371 } else { |
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372 width = 100; |
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373 } |
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374 if (bounds.height !is 0) { |
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375 y = (rects [i].y - bounds.y) * 100 / bounds.height; |
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376 height = rects [i].height * 100 / bounds.height; |
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377 } else { |
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378 height = 100; |
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379 } |
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380 result [i] = new Rectangle (x, y, width, height); |
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381 } |
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382 } |
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383 return result; |
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384 } |
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385 |
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386 void drawRectangles (NSWindow window, Rectangle [] rects, bool erase) { |
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387 NSRect frame = window.frame(); |
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388 NSGraphicsContext context = window.graphicsContext(); |
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389 NSGraphicsContext.setCurrentContext(context); |
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390 NSAffineTransform transform = NSAffineTransform.transform(); |
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391 context.saveGraphicsState(); |
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392 transform.scaleXBy(1, -1); |
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393 transform.translateXBy(0, -frame.height); |
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394 transform.concat(); |
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395 Point parentOrigin; |
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396 if (parent !is null) { |
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397 parentOrigin = display.map (parent, null, 0, 0); |
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398 } else { |
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399 parentOrigin = new Point (0, 0); |
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400 } |
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401 context.setCompositingOperation(erase ? OS.NSCompositeClear : OS.NSCompositeSourceOver); |
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402 for (int i=0; i<rects.length; i++) { |
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403 Rectangle rect = rects [i]; |
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404 frame.x = rect.x + parentOrigin.x; |
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405 frame.y = rect.y + parentOrigin.y; |
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406 frame.width = rect.width; |
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407 frame.height = rect.height; |
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408 if (erase) { |
86 | 409 frame.size.width++; |
410 frame.size.height++; | |
0
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411 NSBezierPath.fillRect(frame); |
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412 } else { |
86 | 413 frame.origin.x += 0.5f; |
414 frame.origin.y += 0.5f; | |
0
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415 NSBezierPath.strokeRect(frame); |
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416 } |
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417 } |
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418 context.flushGraphics(); |
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419 context.restoreGraphicsState(); |
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420 } |
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421 |
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422 /** |
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423 * Returns the bounds that are being drawn, expressed relative to the parent |
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424 * widget. If the parent is a <code>Display</code> then these are screen |
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425 * coordinates. |
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426 * |
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427 * @return the bounds of the Rectangles being drawn |
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428 * |
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429 * @exception DWTException <ul> |
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430 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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431 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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432 * </ul> |
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433 */ |
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434 public Rectangle [] getRectangles () { |
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435 checkWidget(); |
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436 Rectangle [] result = new Rectangle [rectangles.length]; |
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437 for (int i = 0; i < rectangles.length; i++) { |
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438 Rectangle current = rectangles [i]; |
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439 result [i] = new Rectangle (current.x, current.y, current.width, current.height); |
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440 } |
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441 return result; |
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442 } |
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443 |
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444 /** |
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445 * Returns <code>true</code> if the rectangles are drawn with a stippled line, <code>false</code> otherwise. |
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446 * |
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447 * @return the stippled effect of the rectangles |
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448 * |
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449 * @exception DWTException <ul> |
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450 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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451 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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452 * </ul> |
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453 */ |
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454 public bool getStippled () { |
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455 checkWidget (); |
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456 return stippled; |
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457 } |
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458 |
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459 void mouse (NSEvent nsEvent) { |
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460 NSPoint location = nsEvent.locationInWindow(); |
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461 if (parent !is null) { |
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462 location = parent.view.convertPoint_toView_(location, parent.view); |
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463 } else { |
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464 NSWindow eventWindow = nsEvent.window(); |
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465 location = eventWindow.convertBaseToScreen(location); |
45 | 466 location.y = display.getPrimaryFrame().height - location.y; |
0
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467 } |
7 | 468 int newX = cast(int)location.x, newY = cast(int)location.y; |
0
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469 if (newX !is oldX || newY !is oldY) { |
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470 Rectangle [] oldRectangles = rectangles; |
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471 Rectangle [] rectsToErase = new Rectangle [rectangles.length]; |
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472 for (int i = 0; i < rectangles.length; i++) { |
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473 Rectangle current = rectangles [i]; |
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474 rectsToErase [i] = new Rectangle (current.x, current.y, current.width, current.height); |
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475 } |
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476 Event event = new Event (); |
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477 event.x = newX; |
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478 event.y = newY; |
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479 if ((style & DWT.RESIZE) !is 0) { |
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480 bool orientationInit = resizeRectangles (newX - oldX, newY - oldY); |
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481 inEvent = true; |
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482 sendEvent (DWT.Resize, event); |
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483 inEvent = false; |
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484 /* |
123 | 485 * It is possible (but unlikely), that application |
486 * code could have disposed the widget in the move | |
487 * event. If this happens, return false to indicate | |
488 * that the tracking has failed. | |
489 */ | |
0
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490 if (isDisposed ()) { |
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491 cancelled = true; |
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492 return; |
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493 } |
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494 bool draw = false; |
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495 /* |
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496 * It is possible that application code could have |
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497 * changed the rectangles in the resize event. If this |
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498 * happens then only redraw the tracker if the rectangle |
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499 * values have changed. |
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500 */ |
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501 if (rectangles !is oldRectangles) { |
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502 int length = rectangles.length; |
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503 if (length !is rectsToErase.length) { |
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parents:
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changeset
|
504 draw = true; |
380af2bdd8e5
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parents:
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|
505 } else { |
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parents:
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changeset
|
506 for (int i = 0; i < length; i++) { |
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parents:
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changeset
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507 if (!rectangles [i].equals (rectsToErase [i])) { |
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parents:
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changeset
|
508 draw = true; |
380af2bdd8e5
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parents:
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changeset
|
509 break; |
380af2bdd8e5
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parents:
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|
510 } |
380af2bdd8e5
Upload of whole dwt tree
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parents:
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changeset
|
511 } |
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Upload of whole dwt tree
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parents:
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changeset
|
512 } |
380af2bdd8e5
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parents:
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changeset
|
513 } |
380af2bdd8e5
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parents:
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changeset
|
514 else { |
380af2bdd8e5
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parents:
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changeset
|
515 draw = true; |
380af2bdd8e5
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parents:
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|
516 } |
380af2bdd8e5
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parents:
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517 if (draw) { |
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518 drawRectangles (window, rectsToErase, true); |
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parents:
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519 drawRectangles (window, rectangles, false); |
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parents:
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changeset
|
520 } |
380af2bdd8e5
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parents:
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changeset
|
521 Point cursorPos = adjustResizeCursor (orientationInit); |
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parents:
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changeset
|
522 if (cursorPos !is null) { |
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parents:
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523 newX = cursorPos.x; |
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524 newY = cursorPos.y; |
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525 } |
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parents:
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|
526 } else { |
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parents:
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|
527 moveRectangles (newX - oldX, newY - oldY); |
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528 inEvent = true; |
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529 sendEvent (DWT.Move, event); |
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parents:
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530 inEvent = false; |
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|
531 /* |
123 | 532 * It is possible (but unlikely), that application |
533 * code could have disposed the widget in the move | |
534 * event. If this happens, return false to indicate | |
535 * that the tracking has failed. | |
536 */ | |
0
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parents:
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537 if (isDisposed ()) { |
380af2bdd8e5
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parents:
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538 cancelled = true; |
380af2bdd8e5
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539 return; |
380af2bdd8e5
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parents:
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|
540 } |
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parents:
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changeset
|
541 bool draw = false; |
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parents:
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|
542 /* |
380af2bdd8e5
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parents:
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changeset
|
543 * It is possible that application code could have |
380af2bdd8e5
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parents:
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changeset
|
544 * changed the rectangles in the move event. If this |
380af2bdd8e5
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parents:
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545 * happens then only redraw the tracker if the rectangle |
380af2bdd8e5
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parents:
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546 * values have changed. |
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|
547 */ |
380af2bdd8e5
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parents:
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changeset
|
548 if (rectangles !is oldRectangles) { |
380af2bdd8e5
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parents:
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|
549 int length = rectangles.length; |
380af2bdd8e5
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parents:
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changeset
|
550 if (length !is rectsToErase.length) { |
380af2bdd8e5
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parents:
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|
551 draw = true; |
380af2bdd8e5
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parents:
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changeset
|
552 } else { |
380af2bdd8e5
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parents:
diff
changeset
|
553 for (int i = 0; i < length; i++) { |
380af2bdd8e5
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parents:
diff
changeset
|
554 if (!rectangles [i].equals (rectsToErase [i])) { |
380af2bdd8e5
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parents:
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changeset
|
555 draw = true; |
380af2bdd8e5
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parents:
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changeset
|
556 break; |
380af2bdd8e5
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parents:
diff
changeset
|
557 } |
380af2bdd8e5
Upload of whole dwt tree
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parents:
diff
changeset
|
558 } |
380af2bdd8e5
Upload of whole dwt tree
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parents:
diff
changeset
|
559 } |
380af2bdd8e5
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parents:
diff
changeset
|
560 } else { |
380af2bdd8e5
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parents:
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changeset
|
561 draw = true; |
380af2bdd8e5
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parents:
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|
562 } |
380af2bdd8e5
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parents:
diff
changeset
|
563 if (draw) { |
380af2bdd8e5
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parents:
diff
changeset
|
564 drawRectangles (window, rectsToErase, true); |
380af2bdd8e5
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parents:
diff
changeset
|
565 drawRectangles (window, rectangles, false); |
380af2bdd8e5
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parents:
diff
changeset
|
566 } |
380af2bdd8e5
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parents:
diff
changeset
|
567 } |
380af2bdd8e5
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parents:
diff
changeset
|
568 oldX = newX; oldY = newY; |
380af2bdd8e5
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parents:
diff
changeset
|
569 } |
86 | 570 switch (cast(int)/*64*/nsEvent.type()) { |
0
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parents:
diff
changeset
|
571 case OS.NSLeftMouseUp: |
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parents:
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|
572 case OS.NSRightMouseUp: |
380af2bdd8e5
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parents:
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|
573 case OS.NSOtherMouseUp: |
380af2bdd8e5
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parents:
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changeset
|
574 tracking = false; |
86 | 575 default: |
0
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parents:
diff
changeset
|
576 } |
380af2bdd8e5
Upload of whole dwt tree
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parents:
diff
changeset
|
577 } |
380af2bdd8e5
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parents:
diff
changeset
|
578 |
380af2bdd8e5
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parents:
diff
changeset
|
579 void key (NSEvent nsEvent) { |
380af2bdd8e5
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parents:
diff
changeset
|
580 //TODO send event |
123 | 581 // if (!sendKeyEvent (DWT.KeyDown, theEvent)) return OS.noErr; |
86 | 582 NSUInteger modifierFlags = nsEvent.modifierFlags(); |
0
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parents:
diff
changeset
|
583 int stepSize = (modifierFlags & OS.NSControlKeyMask) !is 0 ? STEPSIZE_SMALL : STEPSIZE_LARGE; |
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parents:
diff
changeset
|
584 int xChange = 0, yChange = 0; |
380af2bdd8e5
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parents:
diff
changeset
|
585 switch (nsEvent.keyCode()) { |
380af2bdd8e5
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parents:
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changeset
|
586 case 53: /* Esc */ |
380af2bdd8e5
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parents:
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|
587 cancelled = true; |
380af2bdd8e5
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parents:
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|
588 tracking = false; |
380af2bdd8e5
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parents:
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changeset
|
589 break; |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
590 case 76: /* KP Enter */ |
380af2bdd8e5
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parents:
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changeset
|
591 case 36: /* Return */ |
380af2bdd8e5
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parents:
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changeset
|
592 tracking = false; |
380af2bdd8e5
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parents:
diff
changeset
|
593 break; |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
594 case 123: /* Left arrow */ |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
595 xChange = -stepSize; |
380af2bdd8e5
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parents:
diff
changeset
|
596 break; |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
597 case 124: /* Right arrow */ |
380af2bdd8e5
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parents:
diff
changeset
|
598 xChange = stepSize; |
380af2bdd8e5
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parents:
diff
changeset
|
599 break; |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
600 case 126: /* Up arrow */ |
380af2bdd8e5
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parents:
diff
changeset
|
601 yChange = -stepSize; |
380af2bdd8e5
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parents:
diff
changeset
|
602 break; |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
603 case 125: /* Down arrow */ |
380af2bdd8e5
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
604 yChange = stepSize; |
380af2bdd8e5
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parents:
diff
changeset
|
605 break; |
86 | 606 default: |
0
380af2bdd8e5
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parents:
diff
changeset
|
607 } |
380af2bdd8e5
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parents:
diff
changeset
|
608 if (xChange !is 0 || yChange !is 0) { |
380af2bdd8e5
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parents:
diff
changeset
|
609 Rectangle [] oldRectangles = rectangles; |
380af2bdd8e5
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parents:
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changeset
|
610 Rectangle [] rectsToErase = new Rectangle [rectangles.length]; |
380af2bdd8e5
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parents:
diff
changeset
|
611 for (int i = 0; i < rectangles.length; i++) { |
380af2bdd8e5
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parents:
diff
changeset
|
612 Rectangle current = rectangles [i]; |
380af2bdd8e5
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parents:
diff
changeset
|
613 rectsToErase [i] = new Rectangle (current.x, current.y, current.width, current.height); |
380af2bdd8e5
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parents:
diff
changeset
|
614 } |
380af2bdd8e5
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parents:
diff
changeset
|
615 Event event = new Event (); |
380af2bdd8e5
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parents:
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changeset
|
616 int newX = oldX + xChange; |
380af2bdd8e5
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parents:
diff
changeset
|
617 int newY = oldY + yChange; |
380af2bdd8e5
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parents:
diff
changeset
|
618 event.x = newX; |
380af2bdd8e5
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parents:
diff
changeset
|
619 event.y = newY; |
380af2bdd8e5
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parents:
diff
changeset
|
620 Point cursorPos; |
380af2bdd8e5
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parents:
diff
changeset
|
621 if ((style & DWT.RESIZE) !is 0) { |
380af2bdd8e5
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parents:
diff
changeset
|
622 resizeRectangles (xChange, yChange); |
380af2bdd8e5
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parents:
diff
changeset
|
623 inEvent = true; |
380af2bdd8e5
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parents:
diff
changeset
|
624 sendEvent (DWT.Resize, event); |
380af2bdd8e5
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parents:
diff
changeset
|
625 inEvent = false; |
380af2bdd8e5
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parents:
diff
changeset
|
626 /* |
123 | 627 * It is possible (but unlikely) that application |
628 * code could have disposed the widget in the move | |
629 * event. If this happens return false to indicate | |
630 * that the tracking has failed. | |
631 */ | |
0
380af2bdd8e5
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parents:
diff
changeset
|
632 if (isDisposed ()) { |
380af2bdd8e5
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parents:
diff
changeset
|
633 cancelled = true; |
380af2bdd8e5
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parents:
diff
changeset
|
634 return; |
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|
635 } |
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|
636 bool draw = false; |
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|
637 /* |
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|
638 * It is possible that application code could have |
380af2bdd8e5
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|
639 * changed the rectangles in the resize event. If this |
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640 * happens then only redraw the tracker if the rectangle |
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641 * values have changed. |
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|
642 */ |
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|
643 if (rectangles !is oldRectangles) { |
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644 int length = rectangles.length; |
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645 if (length !is rectsToErase.length) { |
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646 draw = true; |
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647 } else { |
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648 for (int i = 0; i < length; i++) { |
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649 if (!rectangles [i].equals (rectsToErase [i])) { |
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650 draw = true; |
380af2bdd8e5
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651 break; |
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652 } |
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|
653 } |
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|
654 } |
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|
655 } else { |
380af2bdd8e5
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656 draw = true; |
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657 } |
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|
658 if (draw) { |
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659 drawRectangles (window, rectsToErase, true); |
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660 drawRectangles (window, rectangles, false); |
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661 } |
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662 cursorPos = adjustResizeCursor (true); |
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663 } else { |
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664 moveRectangles (xChange, yChange); |
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665 inEvent = true; |
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666 sendEvent (DWT.Move, event); |
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667 inEvent = false; |
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parents:
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668 /* |
123 | 669 * It is possible (but unlikely) that application |
670 * code could have disposed the widget in the move | |
671 * event. If this happens return false to indicate | |
672 * that the tracking has failed. | |
673 */ | |
0
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674 if (isDisposed ()) { |
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675 cancelled = true; |
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|
676 return; |
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|
677 } |
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changeset
|
678 bool draw = false; |
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|
679 /* |
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|
680 * It is possible that application code could have |
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changeset
|
681 * changed the rectangles in the move event. If this |
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682 * happens then only redraw the tracker if the rectangle |
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|
683 * values have changed. |
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|
684 */ |
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|
685 if (rectangles !is oldRectangles) { |
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|
686 int length = rectangles.length; |
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|
687 if (length !is rectsToErase.length) { |
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|
688 draw = true; |
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|
689 } else { |
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|
690 for (int i = 0; i < length; i++) { |
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|
691 if (!rectangles [i].equals (rectsToErase [i])) { |
380af2bdd8e5
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|
692 draw = true; |
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|
693 break; |
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|
694 } |
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|
695 } |
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|
696 } |
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|
697 } else { |
380af2bdd8e5
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|
698 draw = true; |
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|
699 } |
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|
700 if (draw) { |
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|
701 drawRectangles (window, rectsToErase, true); |
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|
702 drawRectangles (window, rectangles, false); |
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|
703 } |
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|
704 cursorPos = adjustMoveCursor (); |
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|
705 } |
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|
706 if (cursorPos !is null) { |
380af2bdd8e5
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|
707 oldX = cursorPos.x; |
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|
708 oldY = cursorPos.y; |
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|
709 } |
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|
710 } |
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|
711 } |
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|
712 |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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|
713 void moveRectangles (int xChange, int yChange) { |
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parents:
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|
714 if (bounds is null) return; |
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|
715 if (xChange < 0 && ((style & DWT.LEFT) is 0)) xChange = 0; |
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|
716 if (xChange > 0 && ((style & DWT.RIGHT) is 0)) xChange = 0; |
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|
717 if (yChange < 0 && ((style & DWT.UP) is 0)) yChange = 0; |
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|
718 if (yChange > 0 && ((style & DWT.DOWN) is 0)) yChange = 0; |
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parents:
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|
719 if (xChange is 0 && yChange is 0) return; |
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|
720 bounds.x += xChange; bounds.y += yChange; |
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|
721 for (int i = 0; i < rectangles.length; i++) { |
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|
722 rectangles [i].x += xChange; |
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|
723 rectangles [i].y += yChange; |
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|
724 } |
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|
725 } |
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|
726 |
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|
727 /** |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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|
728 * Displays the Tracker rectangles for manipulation by the user. Returns when |
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|
729 * the user has either finished manipulating the rectangles or has cancelled the |
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|
730 * Tracker. |
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|
731 * |
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|
732 * @return <code>true</code> if the user did not cancel the Tracker, <code>false</code> otherwise |
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|
733 * |
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|
734 * @exception DWTException <ul> |
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|
735 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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736 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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|
737 * </ul> |
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|
738 */ |
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|
739 public bool open () { |
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|
740 checkWidget (); |
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|
741 cancelled = false; |
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Upload of whole dwt tree
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parents:
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changeset
|
742 tracking = true; |
86 | 743 window = cast(NSWindow)(new NSWindow()).alloc(); |
45 | 744 NSArray screens = NSScreen.screens(); |
90 | 745 Carbon.CGFloat minX = Float.MAX_VALUE, maxX = Float.MIN_VALUE; |
746 Carbon.CGFloat minY = Float.MAX_VALUE, maxY = Float.MIN_VALUE; | |
86 | 747 int count = cast(int)/*64*/screens.count(); |
45 | 748 for (int i = 0; i < count; i++) { |
749 NSScreen screen = new NSScreen(screens.objectAtIndex(i)); | |
750 NSRect frame = screen.frame(); | |
90 | 751 Carbon.CGFloat x1 = frame.x, x2 = frame.x + frame.width; |
752 Carbon.CGFloat y1 = frame.y, y2 = frame.y + frame.height; | |
45 | 753 if (x1 < minX) minX = x1; |
754 if (x2 < minX) minX = x2; | |
755 if (x1 > maxX) maxX = x1; | |
756 if (x2 > maxX) maxX = x2; | |
757 if (y1 < minY) minY = y1; | |
758 if (y2 < minY) minY = y2; | |
759 if (y1 > maxY) maxY = y1; | |
760 if (y2 > maxY) maxY = y2; | |
761 } | |
46
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Updated Widget and Display to 3.514
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parents:
45
diff
changeset
|
762 NSRect frame = NSRect(); |
45 | 763 frame.x = minX; |
764 frame.y = minY; | |
765 frame.width = maxX - minX; | |
766 frame.height = maxY - minY; | |
767 window = window.initWithContentRect(frame, OS.NSBorderlessWindowMask, OS.NSBackingStoreBuffered, false); | |
0
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changeset
|
768 window.setOpaque(false); |
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parents:
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changeset
|
769 window.setContentView(null); |
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|
770 NSGraphicsContext context = window.graphicsContext(); |
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|
771 NSGraphicsContext.setCurrentContext(context); |
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|
772 context.setCompositingOperation(OS.NSCompositeClear); |
45 | 773 frame.x = frame.y = 0; |
0
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changeset
|
774 NSBezierPath.fillRect(frame); |
380af2bdd8e5
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changeset
|
775 window.orderFrontRegardless(); |
123 | 776 |
0
380af2bdd8e5
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changeset
|
777 drawRectangles (window, rectangles, false); |
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changeset
|
778 |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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changeset
|
779 /* |
123 | 780 * If exactly one of UP/DOWN is specified as a style then set the cursor |
781 * orientation accordingly (the same is done for LEFT/RIGHT styles below). | |
782 */ | |
0
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parents:
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changeset
|
783 int vStyle = style & (DWT.UP | DWT.DOWN); |
380af2bdd8e5
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changeset
|
784 if (vStyle is DWT.UP || vStyle is DWT.DOWN) { |
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changeset
|
785 cursorOrientation |= vStyle; |
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|
786 } |
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|
787 int hStyle = style & (DWT.LEFT | DWT.RIGHT); |
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parents:
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changeset
|
788 if (hStyle is DWT.LEFT || hStyle is DWT.RIGHT) { |
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|
789 cursorOrientation |= hStyle; |
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|
790 } |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
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diff
changeset
|
791 |
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changeset
|
792 Point cursorPos; |
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changeset
|
793 bool down = false; |
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|
794 NSApplication application = NSApplication.sharedApplication(); |
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|
795 NSEvent currentEvent = application.currentEvent(); |
86 | 796 switch (currentEvent.type()) { |
0
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changeset
|
797 case OS.NSLeftMouseDown: |
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changeset
|
798 case OS.NSRightMouseDown: |
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changeset
|
799 case OS.NSOtherMouseDown: |
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parents:
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|
800 down = true; |
86 | 801 default: |
0
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|
802 } |
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|
803 if (down) { |
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|
804 cursorPos = display.getCursorLocation(); |
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|
805 } else { |
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changeset
|
806 if ((style & DWT.RESIZE) !is 0) { |
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|
807 cursorPos = adjustResizeCursor (true); |
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|
808 } else { |
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changeset
|
809 cursorPos = adjustMoveCursor (); |
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|
810 } |
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changeset
|
811 } |
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parents:
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changeset
|
812 if (cursorPos !is null) { |
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parents:
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changeset
|
813 oldX = cursorPos.x; |
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parents:
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changeset
|
814 oldY = cursorPos.y; |
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parents:
diff
changeset
|
815 } |
123 | 816 |
0
380af2bdd8e5
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parents:
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changeset
|
817 /* Tracker behaves like a Dialog with its own OS event loop. */ |
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parents:
diff
changeset
|
818 while (tracking && !cancelled) { |
86 | 819 NSAutoreleasePool pool = cast(NSAutoreleasePool)(new NSAutoreleasePool()).alloc().init(); |
0
380af2bdd8e5
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changeset
|
820 NSEvent event = application.nextEventMatchingMask(0, NSDate.distantFuture(), OS.NSDefaultRunLoopMode, true); |
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parents:
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changeset
|
821 if (event is null) continue; |
86 | 822 NSEventType type = event.type(); |
0
380af2bdd8e5
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changeset
|
823 switch (type) { |
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parents:
diff
changeset
|
824 case OS.NSLeftMouseUp: |
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changeset
|
825 case OS.NSRightMouseUp: |
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changeset
|
826 case OS.NSOtherMouseUp: |
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|
827 case OS.NSMouseMoved: |
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|
828 case OS.NSLeftMouseDragged: |
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|
829 case OS.NSRightMouseDragged: |
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changeset
|
830 case OS.NSOtherMouseDragged: |
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changeset
|
831 mouse(event); |
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changeset
|
832 break; |
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parents:
diff
changeset
|
833 case OS.NSKeyDown: |
123 | 834 // case OS.NSKeyUp: |
0
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parents:
diff
changeset
|
835 case OS.NSFlagsChanged: |
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changeset
|
836 key(event); |
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parents:
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changeset
|
837 break; |
86 | 838 default: |
0
380af2bdd8e5
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parents:
diff
changeset
|
839 } |
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff
changeset
|
840 /* |
123 | 841 * Don't dispatch mouse and key events in general, EXCEPT once this |
842 * tracker has finished its work. | |
843 */ | |
0
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changeset
|
844 bool dispatch = true; |
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diff
changeset
|
845 if (!(tracking && !cancelled)) { |
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diff
changeset
|
846 switch (type) { |
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changeset
|
847 case OS.NSLeftMouseDown: |
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changeset
|
848 case OS.NSLeftMouseUp: |
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parents:
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changeset
|
849 case OS.NSRightMouseDown: |
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changeset
|
850 case OS.NSRightMouseUp: |
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diff
changeset
|
851 case OS.NSOtherMouseDown: |
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parents:
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changeset
|
852 case OS.NSOtherMouseUp: |
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changeset
|
853 case OS.NSMouseMoved: |
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changeset
|
854 case OS.NSLeftMouseDragged: |
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parents:
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changeset
|
855 case OS.NSRightMouseDragged: |
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changeset
|
856 case OS.NSOtherMouseDragged: |
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changeset
|
857 case OS.NSMouseEntered: |
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changeset
|
858 case OS.NSMouseExited: |
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parents:
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changeset
|
859 case OS.NSKeyDown: |
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parents:
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changeset
|
860 case OS.NSKeyUp: |
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changeset
|
861 case OS.NSFlagsChanged: |
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parents:
diff
changeset
|
862 dispatch = false; |
86 | 863 default: |
0
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|
864 } |
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changeset
|
865 } |
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changeset
|
866 if (dispatch) application.sendEvent(event); |
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|
867 if (clientCursor !is null && resizeCursor is null) { |
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changeset
|
868 clientCursor.handle.set(); |
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changeset
|
869 } |
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changeset
|
870 pool.release(); |
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diff
changeset
|
871 } |
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changeset
|
872 if (!isDisposed()) { |
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changeset
|
873 drawRectangles (window, rectangles, true); |
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|
874 } |
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changeset
|
875 if (window !is null) window.close(); |
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changeset
|
876 tracking = false; |
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changeset
|
877 window = null; |
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changeset
|
878 return !cancelled; |
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parents:
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changeset
|
879 } |
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changeset
|
880 |
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changeset
|
881 void releaseWidget () { |
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|
882 super.releaseWidget (); |
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changeset
|
883 parent = null; |
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|
884 rectangles = proportions = null; |
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changeset
|
885 bounds = null; |
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changeset
|
886 } |
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changeset
|
887 |
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parents:
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changeset
|
888 /** |
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diff
changeset
|
889 * Removes the listener from the collection of listeners who will |
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|
890 * be notified when the control is moved or resized. |
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|
891 * |
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changeset
|
892 * @param listener the listener which should no longer be notified |
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|
893 * |
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diff
changeset
|
894 * @exception IllegalArgumentException <ul> |
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diff
changeset
|
895 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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changeset
|
896 * </ul> |
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|
897 * @exception DWTException <ul> |
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changeset
|
898 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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|
899 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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diff
changeset
|
900 * </ul> |
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changeset
|
901 * |
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diff
changeset
|
902 * @see ControlListener |
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903 * @see #addControlListener |
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904 */ |
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905 public void removeControlListener (ControlListener listener) { |
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906 checkWidget (); |
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|
907 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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908 if (eventTable is null) return; |
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909 eventTable.unhook (DWT.Resize, listener); |
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|
910 eventTable.unhook (DWT.Move, listener); |
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|
911 } |
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|
912 |
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|
913 /** |
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914 * Removes the listener from the collection of listeners who will |
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915 * be notified when keys are pressed and released on the system keyboard. |
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|
916 * |
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917 * @param listener the listener which should no longer be notified |
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918 * |
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|
919 * @exception IllegalArgumentException <ul> |
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|
920 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
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921 * </ul> |
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922 * @exception DWTException <ul> |
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923 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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924 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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925 * </ul> |
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926 * |
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927 * @see KeyListener |
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928 * @see #addKeyListener |
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929 */ |
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930 public void removeKeyListener(KeyListener listener) { |
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931 checkWidget(); |
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|
932 if (listener is null) error (DWT.ERROR_NULL_ARGUMENT); |
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933 if (eventTable is null) return; |
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934 eventTable.unhook(DWT.KeyUp, listener); |
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935 eventTable.unhook(DWT.KeyDown, listener); |
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936 } |
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|
937 |
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|
938 /* |
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939 * Returns true if the pointer's orientation was initialized in some dimension, |
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940 * and false otherwise. |
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941 */ |
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942 bool resizeRectangles (int xChange, int yChange) { |
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943 if (bounds is null) return false; |
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944 bool orientationInit = false; |
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945 /* |
123 | 946 * If the cursor orientation has not been set in the orientation of |
947 * this change then try to set it here. | |
948 */ | |
0
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949 if (xChange < 0 && ((style & DWT.LEFT) !is 0) && ((cursorOrientation & DWT.RIGHT) is 0)) { |
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950 if ((cursorOrientation & DWT.LEFT) is 0) { |
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|
951 cursorOrientation |= DWT.LEFT; |
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952 orientationInit = true; |
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|
953 } |
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|
954 } |
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955 if (xChange > 0 && ((style & DWT.RIGHT) !is 0) && ((cursorOrientation & DWT.LEFT) is 0)) { |
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|
956 if ((cursorOrientation & DWT.RIGHT) is 0) { |
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|
957 cursorOrientation |= DWT.RIGHT; |
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changeset
|
958 orientationInit = true; |
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|
959 } |
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|
960 } |
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|
961 if (yChange < 0 && ((style & DWT.UP) !is 0) && ((cursorOrientation & DWT.DOWN) is 0)) { |
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|
962 if ((cursorOrientation & DWT.UP) is 0) { |
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parents:
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|
963 cursorOrientation |= DWT.UP; |
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|
964 orientationInit = true; |
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|
965 } |
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changeset
|
966 } |
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|
967 if (yChange > 0 && ((style & DWT.DOWN) !is 0) && ((cursorOrientation & DWT.UP) is 0)) { |
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|
968 if ((cursorOrientation & DWT.DOWN) is 0) { |
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changeset
|
969 cursorOrientation |= DWT.DOWN; |
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parents:
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changeset
|
970 orientationInit = true; |
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|
971 } |
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|
972 } |
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|
973 |
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changeset
|
974 /* |
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975 * If the bounds will flip about the x or y axis then apply the adjustment |
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976 * up to the axis (ie.- where bounds width/height becomes 0), change the |
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977 * cursor's orientation accordingly, and flip each Rectangle's origin (only |
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|
978 * necessary for > 1 Rectangles) |
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|
979 */ |
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|
980 if ((cursorOrientation & DWT.LEFT) !is 0) { |
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|
981 if (xChange > bounds.width) { |
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|
982 if ((style & DWT.RIGHT) is 0) return orientationInit; |
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|
983 cursorOrientation |= DWT.RIGHT; |
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|
984 cursorOrientation &= ~DWT.LEFT; |
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|
985 bounds.x += bounds.width; |
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|
986 xChange -= bounds.width; |
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|
987 bounds.width = 0; |
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|
988 if (proportions.length > 1) { |
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|
989 for (int i = 0; i < proportions.length; i++) { |
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|
990 Rectangle proportion = proportions [i]; |
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|
991 proportion.x = 100 - proportion.x - proportion.width; |
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|
992 } |
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|
993 } |
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|
994 } |
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|
995 } else if ((cursorOrientation & DWT.RIGHT) !is 0) { |
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|
996 if (bounds.width < -xChange) { |
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|
997 if ((style & DWT.LEFT) is 0) return orientationInit; |
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998 cursorOrientation |= DWT.LEFT; |
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999 cursorOrientation &= ~DWT.RIGHT; |
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|
1000 xChange += bounds.width; |
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1001 bounds.width = 0; |
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|
1002 if (proportions.length > 1) { |
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|
1003 for (int i = 0; i < proportions.length; i++) { |
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|
1004 Rectangle proportion = proportions [i]; |
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|
1005 proportion.x = 100 - proportion.x - proportion.width; |
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|
1006 } |
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|
1007 } |
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|
1008 } |
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|
1009 } |
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|
1010 if ((cursorOrientation & DWT.UP) !is 0) { |
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|
1011 if (yChange > bounds.height) { |
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|
1012 if ((style & DWT.DOWN) is 0) return orientationInit; |
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1013 cursorOrientation |= DWT.DOWN; |
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1014 cursorOrientation &= ~DWT.UP; |
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1015 bounds.y += bounds.height; |
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|
1016 yChange -= bounds.height; |
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1017 bounds.height = 0; |
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|
1018 if (proportions.length > 1) { |
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parents:
diff
changeset
|
1019 for (int i = 0; i < proportions.length; i++) { |
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1020 Rectangle proportion = proportions [i]; |
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1021 proportion.y = 100 - proportion.y - proportion.height; |
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1022 } |
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1023 } |
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1024 } |
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1025 } else if ((cursorOrientation & DWT.DOWN) !is 0) { |
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1026 if (bounds.height < -yChange) { |
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1027 if ((style & DWT.UP) is 0) return orientationInit; |
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1028 cursorOrientation |= DWT.UP; |
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1029 cursorOrientation &= ~DWT.DOWN; |
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1030 yChange += bounds.height; |
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1031 bounds.height = 0; |
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1032 if (proportions.length > 1) { |
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1033 for (int i = 0; i < proportions.length; i++) { |
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1034 Rectangle proportion = proportions [i]; |
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1035 proportion.y = 100 - proportion.y - proportion.height; |
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1036 } |
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1037 } |
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1038 } |
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1039 } |
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1040 |
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1041 // apply the bounds adjustment |
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1042 if ((cursorOrientation & DWT.LEFT) !is 0) { |
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1043 bounds.x += xChange; |
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1044 bounds.width -= xChange; |
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1045 } else if ((cursorOrientation & DWT.RIGHT) !is 0) { |
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1046 bounds.width += xChange; |
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1047 } |
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1048 if ((cursorOrientation & DWT.UP) !is 0) { |
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1049 bounds.y += yChange; |
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1050 bounds.height -= yChange; |
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1051 } else if ((cursorOrientation & DWT.DOWN) !is 0) { |
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1052 bounds.height += yChange; |
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1053 } |
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1054 |
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1055 Rectangle [] newRects = new Rectangle [rectangles.length]; |
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1056 for (int i = 0; i < rectangles.length; i++) { |
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1057 Rectangle proportion = proportions[i]; |
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1058 newRects[i] = new Rectangle ( |
123 | 1059 proportion.x * bounds.width / 100 + bounds.x, |
1060 proportion.y * bounds.height / 100 + bounds.y, | |
1061 proportion.width * bounds.width / 100, | |
1062 proportion.height * bounds.height / 100); | |
0
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1063 } |
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1064 rectangles = newRects; |
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1065 return orientationInit; |
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1066 } |
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1067 |
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|
1068 /** |
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1069 * Sets the <code>Cursor</code> of the Tracker. If this cursor is <code>null</code> |
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1070 * then the cursor reverts to the default. |
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1071 * |
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1072 * @param newCursor the new <code>Cursor</code> to display |
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1073 * |
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1074 * @exception DWTException <ul> |
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1075 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1076 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1077 * </ul> |
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1078 */ |
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1079 public void setCursor (Cursor newCursor) { |
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1080 checkWidget (); |
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1081 clientCursor = newCursor; |
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1082 if (newCursor !is null) { |
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1083 if (inEvent) newCursor.handle.set(); |
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1084 } |
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|
1085 } |
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1086 |
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|
1087 /** |
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1088 * Specifies the rectangles that should be drawn, expressed relative to the parent |
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1089 * widget. If the parent is a Display then these are screen coordinates. |
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1090 * |
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1091 * @param rectangles the bounds of the rectangles to be drawn |
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1092 * |
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1093 * @exception IllegalArgumentException <ul> |
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1094 * <li>ERROR_NULL_ARGUMENT - if the set of rectangles is null or contains a null rectangle</li> |
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1095 * </ul> |
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1096 * @exception DWTException <ul> |
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1097 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1098 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1099 * </ul> |
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1100 */ |
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1101 public void setRectangles (Rectangle [] rectangles) { |
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1102 checkWidget (); |
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1103 if (rectangles is null) error (DWT.ERROR_NULL_ARGUMENT); |
86 | 1104 size_t length_ = rectangles.length; |
1105 this.rectangles = new Rectangle [length_]; | |
1106 for (size_t i = 0; i < length_; i++) { | |
0
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1107 Rectangle current = rectangles [i]; |
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1108 if (current is null) error (DWT.ERROR_NULL_ARGUMENT); |
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1109 this.rectangles [i] = new Rectangle (current.x, current.y, current.width, current.height); |
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1110 } |
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1111 proportions = computeProportions (rectangles); |
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1112 } |
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1113 |
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1114 /** |
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1115 * Changes the appearance of the line used to draw the rectangles. |
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1116 * |
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1117 * @param stippled <code>true</code> if rectangle should appear stippled |
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1118 * |
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1119 * @exception DWTException <ul> |
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1120 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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1121 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
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1122 * </ul> |
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1123 */ |
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1124 public void setStippled (bool stippled) { |
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1125 checkWidget (); |
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1126 this.stippled = stippled; |
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1127 } |
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1128 |
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1129 } |