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annotate dwtx/novocode/SizeBorder.d @ 190:df4e66472aff

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novocode line endings, indention
author Frank Benoit <benoit@tionex.de>
date Sun, 26 Oct 2008 15:04:41 +0100
parents e3780acbbf80
children c3583c6ec027
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1 /*******************************************************************************
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2 * Copyright (c) 2005 Stefan Zeiger 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.novocode.com/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * Stefan Zeiger (szeiger@novocode.com) - initial API and implementation
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10 *******************************************************************************/
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11
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12 module dwtx.novocode.SizeBorder;
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13
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14 import dwt.dwthelper.utils;
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15 import dwt.dwthelper.Runnable;
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16 import dwtx.dwtxhelper.Timer;
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17 import dwtx.dwtxhelper.TimerTask;
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18
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19 import dwt.DWT;
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20 import dwt.graphics.Color;
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21 import dwt.graphics.Cursor;
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22 import dwt.graphics.GC;
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23 import dwt.graphics.Point;
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24 import dwt.graphics.Rectangle;
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25 import dwt.widgets.Canvas;
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26 import dwt.widgets.Composite;
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27 import dwt.widgets.Display;
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28 import dwt.widgets.Event;
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29 import dwt.widgets.Listener;
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30 import dwt.widgets.Shell;
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31
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32
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33 /**
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34 * A border for a resizable container. This border control usually fills the
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35 * entire container, with a content pane above it (not covering the actual
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36 * border area).
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37 *
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38 * <p>If the style SWT.BORDER ist set, a beveled border (as used on Windows
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39 * Classic window decorations) will be drawn. Without this style, no drawing
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40 * is done.</p>
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41 *
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42 * @author Stefan Zeiger (szeiger@novocode.com)
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43 * @since Jan 21, 2005
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44 * @version $Id: SizeBorder.java 321 2005-02-26 15:44:24 +0000 (Sat, 26 Feb 2005) szeiger $
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45 */
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46
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47 class SizeBorder : Canvas
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48 {
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49 private static const long UPDATE_DELAY = 25;
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50
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51 private static const int AREA_NONE = 0;
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52 private static const int AREA_N = 1;
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53 private static const int AREA_S = 2;
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54 private static const int AREA_E = 4;
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55 private static const int AREA_W = 8;
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56 private static const int AREA_NW = 9;
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57 private static const int AREA_NE = 5;
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58 private static const int AREA_SE = 6;
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59 private static const int AREA_SW = 10;
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60
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61 private Rectangle snapBack;
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62 private bool cancelled = true;
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63 private /**volatile*/ long lastUpdate;
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64 private Timer timer;
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65 private TimerTask timerTask;
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66 private Composite resizableParent;
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67 private Point minSize, mouseDownOffset;
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68 private int borderWidth = 4, cornerSize = 16;
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69 private Display display;
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70 private Cursor cursor, cursorNWSE, cursorNESW, cursorWE, cursorNS;
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71 private int currentArea;
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72 private Color highlightShadowColor, lightShadowColor, normalShadowColor,darkShadowColor;
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73
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74
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75 this(Composite parent, int style)
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76 {
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77 this(parent, parent.getShell(), style);
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78 }
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79
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80
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81 this(Composite parent, Composite resizableParent, int style)
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82 {
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83 super(parent, checkStyle (style));
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84 this.timer = new Timer(true);
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85 this.resizableParent = resizableParent;
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86 this.display = getDisplay();
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87
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88 cursorNWSE = new Cursor(getDisplay(), DWT.CURSOR_SIZENWSE);
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89 cursorNESW = new Cursor(getDisplay(), DWT.CURSOR_SIZENESW);
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90 cursorWE = new Cursor(getDisplay(), DWT.CURSOR_SIZEWE);
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91 cursorNS = new Cursor(getDisplay(), DWT.CURSOR_SIZENS);
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92
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93 addListener(DWT.Dispose, dgListener(&onDispose));
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94
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95 if((style & DWT.BORDER) !is 0)
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96 {
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97 highlightShadowColor = display.getSystemColor(DWT.COLOR_WIDGET_HIGHLIGHT_SHADOW);
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98 lightShadowColor = display.getSystemColor(DWT.COLOR_WIDGET_LIGHT_SHADOW);
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99 normalShadowColor = display.getSystemColor(DWT.COLOR_WIDGET_NORMAL_SHADOW);
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100 darkShadowColor = display.getSystemColor(DWT.COLOR_WIDGET_DARK_SHADOW);
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101
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102 addListener(DWT.Paint, dgListener(&onPaint));
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103 }
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104
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105 addListener(DWT.MouseDown, dgListener(&onMouseDown));
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106
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107 addListener(DWT.MouseMove, dgListener(&onMouseMove));
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108
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109 addListener(DWT.MouseUp, dgListener(&onMouseUp));
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110
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111 addListener(DWT.Show, dgListener(&onShow));
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112 }
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113
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114 private void onDispose(Event event)
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115 {
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116 cursorNWSE.dispose();
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117 cursorNESW.dispose();
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118 cursorWE.dispose();
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119 cursorNS.dispose();
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120
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121 timer.cancel();
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122 }
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123
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124
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125 private void onPaint(Event event)
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126 {
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127 Rectangle r = getClientArea();
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128 if(r.width is 0 || r.height is 0) return;
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129 drawBevelRect(event.gc, r.x, r.y, r.width-1, r.height-1, lightShadowColor, darkShadowColor);
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130 drawBevelRect(event.gc, r.x+1, r.y+1, r.width-3, r.height-3, highlightShadowColor, normalShadowColor);
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131 }
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132
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133
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134 private void onMouseDown(Event event)
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135 {
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136 if(event.button is 1)
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137 {
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138 currentArea = areaAtPoint(event.x, event.y);
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139 if(currentArea is AREA_NONE) return;
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140 if(cast(Shell)resizableParent !is null)
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141 mouseDownOffset = toDisplay(event.x, event.y);
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142 else
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143 mouseDownOffset = display.map(/**SizeBorder.this*/getSizeBorder(), resizableParent.getParent(), event.x, event.y);
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144 snapBack = resizableParent.getBounds();
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145 cancelled = false;
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146 }
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147 else if(event.button is 3 && (event.stateMask & DWT.BUTTON1) !is 0) // chord click
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148 {
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149 if(snapBack !is null)
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150 {
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151 resizableParent.setBounds(snapBack);
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152 snapBack = null;
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parents: 188
diff changeset
153 cancelled = true;
df4e66472aff novocode line endings, indention
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parents: 188
diff changeset
154 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
155 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
156 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
157
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
158
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
159 private void onMouseMove(Event event)
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
160 {
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
161 if((event.stateMask & DWT.BUTTON1) is 0) updateCursor(areaAtPoint(event.x, event.y));
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
162
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
163 if(!cancelled && (event.stateMask & DWT.BUTTON1) !is 0)
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
164 {
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
165 if(timerTask !is null)
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
166 {
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
167 timerTask.cancel();
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
168 timerTask = null;
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
169 }
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
170 long now = System.currentTimeMillis();
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parents: 188
diff changeset
171 if(lastUpdate + UPDATE_DELAY < now)
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
172 {
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
173 performResize(event);
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
174 lastUpdate = now;
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
175 }
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
176 else
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
177 {
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parents: 188
diff changeset
178 timerTask = new class() TimerTask
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
179 {
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parents: 188
diff changeset
180 public void run()
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
181 {
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parents: 188
diff changeset
182 TimerTask executingTask = this;
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
183 event.display.asyncExec(new class() Runnable
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
184 {
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
185 public void run()
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
186 {
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
187 if(executingTask !is timerTask) return;
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
188 performResize(event);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
189 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
190 });
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
191 }
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
192 };
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
193 timer.schedule(timerTask, UPDATE_DELAY);
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
194 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
195 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
196 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
197
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
198
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
199 private void onMouseUp(Event event)
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
200 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
201 if(timerTask !is null)
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
202 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
203 timerTask.cancel();
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
204 timerTask = null;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
205 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
206 if(!cancelled && (event.stateMask & DWT.BUTTON1) !is 0)
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
207 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
208 performResize(event);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
209 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
210 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
211
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
212
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
213 private void onShow(Event event)
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
214 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
215 Point p = toControl(display.getCursorLocation());
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
216 updateCursor(areaAtPoint(p.x, p.y));
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
217 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
218
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
219
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
220 private SizeBorder getSizeBorder()
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
221 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
222 return this;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
223 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
224
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
225 private static int checkStyle(int style)
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
226 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
227 //int mask = DWT.NONE;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
228 //style &= mask;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
229 style = DWT.NO_FOCUS;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
230 return style;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
231 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
232
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
233
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
234 private void performResize(Event event)
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
235 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
236 // Make sure we stay within the container parent's client area
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
237 Rectangle ca;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
238 if(cast(Shell)resizableParent !is null) ca = getDisplay().getClientArea();
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
239 else ca = getDisplay().map(resizableParent.getParent(), null, resizableParent.getParent().getClientArea());
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
240 Point caOffset = toControl(ca.x, ca.y);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
241 event.x = Math.max(Math.min(event.x, caOffset.x + ca.width - 1), caOffset.x);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
242 event.y = Math.max(Math.min(event.y, caOffset.y + ca.height - 1), caOffset.y);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
243
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
244 // Compute movement relative to position at MouseDown event
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
245 Point movement = (cast(Shell)resizableParent !is null)
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
246 ? toDisplay(event.x, event.y)
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
247 : display.map(this, resizableParent.getParent(), event.x, event.y);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
248 movement.x -= mouseDownOffset.x;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
249 movement.y -= mouseDownOffset.y;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
250
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
251 // Compute new size and position
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
252 int newW = snapBack.width, newH = snapBack.height, newX = snapBack.x, newY = snapBack.y;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
253 if((currentArea & AREA_E) !is 0) newW += movement.x;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
254 else if((currentArea & AREA_W) !is 0) { newW -= movement.x; newX += snapBack.width - newW; }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
255 if((currentArea & AREA_S) !is 0) newH += movement.y;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
256 else if((currentArea & AREA_N) !is 0) { newH -= movement.y; newY += snapBack.height - newH; }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
257
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
258 // Do not go below the container's minimum size
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
259 int minW, minH;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
260 if(minSize !is null) { minW = minSize.x; minH = minSize.y; }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
261 else { minW = 0; minH = 0; }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
262 int maxX = snapBack.x + snapBack.width - minW;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
263 int maxY = snapBack.y + snapBack.height - minH;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
264
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
265 newW = Math.max(minW, newW);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
266 newH = Math.max(minH, newH);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
267 newX = Math.min(maxX, newX);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
268 newY = Math.min(maxY, newY);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
269
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
270 resizableParent.setBounds(newX, newY, newW, newH);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
271 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
272
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
273
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
274 private void updateCursor(int area)
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
275 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
276 Cursor c = null;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
277 switch(area)
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
278 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
279 case AREA_N: case AREA_S: c = cursorNS; break;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
280 case AREA_W: case AREA_E: c = cursorWE; break;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
281 case AREA_NW: case AREA_SE: c = cursorNWSE; break;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
282 case AREA_NE: case AREA_SW: c = cursorNESW; break;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
283 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
284 if(cursor is c) return;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
285 cursor = c;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
286 setCursor(c);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
287 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
288
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
289
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
290 private int areaAtPoint(int x, int y)
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
291 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
292 Point size = getSize();
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
293 if(x < borderWidth) // left edge
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
294 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
295 if(y < cornerSize) return AREA_NW;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
296 else if(y >= size.y-cornerSize) return AREA_SW;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
297 else return AREA_W;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
298 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
299 else if(x >= size.x-borderWidth) // right edge
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
300 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
301 if(y >= size.y-cornerSize) return AREA_SE;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
302 else if(y < cornerSize) return AREA_NE;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
303 else return AREA_E;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
304 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
305 else if(y < borderWidth) // top edge
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
306 {
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
307 if(x < cornerSize) return AREA_NW;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
308 else if(x >= size.x-cornerSize) return AREA_NE;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
309 else return AREA_N;
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
310 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
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311 else if(y >= size.y-borderWidth) // bottom edge
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312 {
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313 if(x >= size.x-cornerSize) return AREA_SE;
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314 else if(x < cornerSize) return AREA_SW;
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315 else return AREA_S;
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316 }
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317 else return AREA_NONE;
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318 }
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319
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320
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321 public Point computeSize(int wHint, int hHint, bool changed)
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322 {
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323 checkWidget();
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324 if(wHint == DWT.DEFAULT) wHint = 0;
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325 if(hHint == DWT.DEFAULT) hHint = 0;
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326 return new Point(wHint, hHint);
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327 }
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328
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329
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330 public bool setFocus()
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331 {
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332 checkWidget();
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333 return false;
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334 }
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335
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336
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337 public bool isReparentable ()
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338 {
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339 checkWidget();
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340 return false;
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341 }
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342
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343
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344 /**
df4e66472aff novocode line endings, indention
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345 * Set the allowed minimum size for the shell. The SizeGrip will
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346 * not resize the shell to a smaller size.
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347 * <p>
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348 * Note: This does <em>not</em> affect other ways of resizing the shell,
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parents: 188
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349 * like using the size controls which are placed on the trimmings by
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parents: 188
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350 * the window manager.
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351 * </p>
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352 */
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353
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354 public void setMinimumShellSize(Point p)
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parents: 188
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355 {
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356 checkWidget();
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357 this.minSize = p;
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358 }
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parents: 188
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359
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Frank Benoit <benoit@tionex.de>
parents: 188
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360
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Frank Benoit <benoit@tionex.de>
parents: 188
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361 /**
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
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362 * Set the allowed minimum size for the shell. The SizeGrip will
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
363 * not resize the shell to a smaller size.
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
364 * <p>
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
365 * Note: This does <em>not</em> affect other ways of resizing the shell,
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
366 * like using the size controls which are placed on the trimmings by
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
367 * the window manager.
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
368 * </p>
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parents: 188
diff changeset
369 */
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parents: 188
diff changeset
370
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parents: 188
diff changeset
371 public void setMinimumShellSize(int width, int height)
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parents: 188
diff changeset
372 {
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parents: 188
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373 checkWidget();
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parents: 188
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374 this.minSize = new Point(width, height);
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parents: 188
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375 }
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parents: 188
diff changeset
376
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parents: 188
diff changeset
377
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parents: 188
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378 public void setBorderWidth(int width)
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379 {
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diff changeset
380 checkWidget();
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381 borderWidth = width;
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parents: 188
diff changeset
382 Point p = toControl(display.getCursorLocation());
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parents: 188
diff changeset
383 updateCursor(areaAtPoint(p.x, p.y));
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parents: 188
diff changeset
384 }
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
385
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
386
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
387 public void setCornerSize(int size)
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parents: 188
diff changeset
388 {
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parents: 188
diff changeset
389 checkWidget();
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parents: 188
diff changeset
390 cornerSize = size;
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parents: 188
diff changeset
391 Point p = toControl(display.getCursorLocation());
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diff changeset
392 updateCursor(areaAtPoint(p.x, p.y));
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parents: 188
diff changeset
393 }
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parents: 188
diff changeset
394
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
395
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
396 private static void drawBevelRect(GC gc, int x, int y, int w, int h, Color topleft, Color bottomright)
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parents: 188
diff changeset
397 {
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parents: 188
diff changeset
398 gc.setForeground(bottomright);
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parents: 188
diff changeset
399 gc.drawLine(x + w, y, x + w, y + h);
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parents: 188
diff changeset
400 gc.drawLine(x, y + h, x + w, y + h);
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parents: 188
diff changeset
401
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parents: 188
diff changeset
402 gc.setForeground(topleft);
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parents: 188
diff changeset
403 gc.drawLine(x, y, x + w - 1, y);
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Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
404 gc.drawLine(x, y, x, y + h - 1);
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
405 }
df4e66472aff novocode line endings, indention
Frank Benoit <benoit@tionex.de>
parents: 188
diff changeset
406 }