Mercurial > projects > dwt2
annotate org.eclipse.tools/Sleak/org/eclipse/swt/tools/internal/Sleak.d @ 12:bc29606a740c
Added dwt-addons in original directory structure of eclipse.org
author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 14 Mar 2009 18:23:29 +0100 |
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children | 6f068362a363 |
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1 /* |
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2 * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. |
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3 * This file is made available under the terms of the Common Public License v1.0 |
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4 * which accompanies this distribution, and is available at |
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5 * http://www.eclipse.org/legal/cpl-v10.html |
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6 * |
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7 * Port to the D programming language |
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8 * Frank Benoit <benoit@tionex.de> |
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9 */ |
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10 module org.eclipse.sleak.Sleak; |
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11 |
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12 import org.eclipse.swt.SWT; |
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13 import org.eclipse.swt.graphics.DeviceData; |
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14 import org.eclipse.swt.graphics.Rectangle; |
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15 import org.eclipse.swt.graphics.GC; |
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16 import org.eclipse.swt.graphics.Point; |
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17 import org.eclipse.swt.graphics.Color; |
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18 import org.eclipse.swt.graphics.Font; |
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19 import org.eclipse.swt.graphics.FontData; |
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20 import org.eclipse.swt.graphics.Region; |
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21 import org.eclipse.swt.graphics.Cursor; |
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22 import org.eclipse.swt.graphics.Image; |
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23 import org.eclipse.swt.widgets.Display; |
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24 import org.eclipse.swt.widgets.Shell; |
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25 import org.eclipse.swt.widgets.Canvas; |
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26 import org.eclipse.swt.widgets.Button; |
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27 import org.eclipse.swt.widgets.Label; |
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28 import org.eclipse.swt.widgets.List; |
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29 import org.eclipse.swt.widgets.Text; |
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30 import org.eclipse.swt.widgets.Event; |
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31 import org.eclipse.swt.widgets.Listener; |
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32 import org.eclipse.swt.widgets.MessageBox; |
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33 |
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34 import java.lang.all; |
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35 import tango.text.convert.Format; |
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36 |
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37 public class Sleak { |
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38 Display display; |
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39 Shell shell; |
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40 List list; |
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41 Canvas canvas; |
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42 Button start, stop, check; |
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43 Text text; |
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44 Label label; |
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45 |
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46 Object [] oldObjects; |
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47 Exception [] oldErrors; |
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48 Object [] objects; |
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49 Exception [] errors; |
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50 |
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51 public void open () { |
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52 display = Display.getCurrent (); |
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53 shell = new Shell (display); |
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54 shell.setText ("S-Leak"); |
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55 list = new List (shell, SWT.BORDER | SWT.V_SCROLL); |
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56 list.addListener (SWT.Selection, new class() Listener { |
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57 public void handleEvent (Event event) { |
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58 refreshObject (); |
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59 } |
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60 }); |
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61 text = new Text (shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL); |
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62 canvas = new Canvas (shell, SWT.BORDER); |
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63 canvas.addListener (SWT.Paint, new class() Listener { |
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64 public void handleEvent (Event event) { |
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65 paintCanvas (event); |
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66 } |
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67 }); |
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68 check = new Button (shell, SWT.CHECK); |
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69 check.setText ("Stack"); |
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70 check.addListener (SWT.Selection, new class() Listener { |
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71 public void handleEvent (Event e) { |
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72 toggleStackTrace (); |
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73 } |
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74 }); |
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75 start = new Button (shell, SWT.PUSH); |
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76 start.setText ("Snap"); |
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77 start.addListener (SWT.Selection, new class() Listener { |
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78 public void handleEvent (Event event) { |
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79 refreshAll (); |
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80 } |
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81 }); |
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82 stop = new Button (shell, SWT.PUSH); |
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83 stop.setText ("Diff"); |
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84 stop.addListener (SWT.Selection, new class() Listener { |
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85 public void handleEvent (Event event) { |
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86 refreshDifference (); |
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87 } |
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88 }); |
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89 label = new Label (shell, SWT.BORDER); |
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90 label.setText ("0 object(s)"); |
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91 shell.addListener (SWT.Resize, new class() Listener { |
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92 public void handleEvent (Event e) { |
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93 layout (); |
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94 } |
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95 }); |
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96 check.setSelection (false); |
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97 text.setVisible (false); |
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98 Point size = shell.getSize (); |
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99 shell.setSize (size.x / 2, size.y / 2); |
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100 shell.open (); |
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101 } |
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102 |
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103 void refreshLabel () { |
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104 int colors = 0, cursors = 0, fonts = 0, gcs = 0, images = 0, regions = 0; |
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105 for (int i=0; i<objects.length; i++) { |
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106 Object object = objects [i]; |
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107 if (cast(Color)object ) colors++; |
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108 if (cast(Cursor)object ) cursors++; |
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109 if (cast(Font)object ) fonts++; |
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110 if (cast(GC)object ) gcs++; |
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111 if (cast(Image)object ) images++; |
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112 if (cast(Region)object ) regions++; |
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113 } |
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114 char[] string = ""; |
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115 if (colors !is 0) string ~= Format( "{} Color(s)\n", colors ); |
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116 if (cursors !is 0) string ~= Format( "{} Cursor(s)\n", cursors ); |
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117 if (fonts !is 0) string ~= Format( "{} Font(s)\n", fonts ); |
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118 if (gcs !is 0) string ~= Format( "{} GC(s)\n", gcs ); |
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119 if (images !is 0) string ~= Format( "{} Image(s)\n", images ); |
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120 /* Currently regions are not counted. */ |
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121 // if (regions !is 0) string += regions + " Region(s)\n"; |
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122 if (string.length !is 0) { |
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123 string = string.substring (0, string.length - 1); |
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124 } |
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125 label.setText (string); |
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126 } |
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127 |
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128 void refreshDifference () { |
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129 DeviceData info = display.getDeviceData (); |
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130 if (!info.tracking) { |
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131 MessageBox dialog = new MessageBox (shell, SWT.ICON_WARNING | SWT.OK); |
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132 dialog.setText (shell.getText ()); |
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133 dialog.setMessage ("Warning: Device is not tracking resource allocation"); |
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134 dialog.open (); |
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135 } |
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136 Object [] newObjects = info.objects; |
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137 Exception [] newErrors = info.errors; |
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138 Object [] diffObjects = new Object [newObjects.length]; |
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139 Exception [] diffErrors = new Exception [newErrors.length]; |
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140 int count = 0; |
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141 for (int i=0; i<newObjects.length; i++) { |
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142 int index = 0; |
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143 while (index < oldObjects.length) { |
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144 if (newObjects [i] is oldObjects [index]) break; |
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145 index++; |
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146 } |
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147 if (index is oldObjects.length) { |
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148 diffObjects [count] = newObjects [i]; |
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149 diffErrors [count] = newErrors [i]; |
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150 count++; |
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151 } |
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152 } |
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153 objects = new Object [count]; |
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154 errors = new Exception [count]; |
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155 System.arraycopy (diffObjects, 0, objects, 0, count); |
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156 System.arraycopy (diffErrors, 0, errors, 0, count); |
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157 list.removeAll (); |
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158 text.setText (""); |
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159 canvas.redraw (); |
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160 for (int i=0; i<objects.length; i++) { |
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161 list.add (objectName (objects [i])); |
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162 } |
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163 refreshLabel (); |
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164 layout (); |
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165 } |
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166 |
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167 char[] objectName (Object object) { |
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168 char[] string = object.toString (); |
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169 int index = string.lastIndexOf ('.'); |
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170 if (index is -1) return string; |
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171 return string.substring (index + 1, string.length); |
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172 } |
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173 |
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174 void toggleStackTrace () { |
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175 refreshObject (); |
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176 layout (); |
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177 } |
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178 |
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179 void paintCanvas (Event event) { |
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180 canvas.setCursor (null); |
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181 int index = list.getSelectionIndex (); |
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182 if (index is -1) return; |
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183 GC gc = event.gc; |
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184 Object object = objects [index]; |
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185 if (cast(Color)object ) { |
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186 if ((cast(Color)object).isDisposed ()) return; |
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187 gc.setBackground (cast(Color) object); |
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188 gc.fillRectangle (canvas.getClientArea()); |
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189 return; |
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190 } |
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191 if (cast(Cursor)object ) { |
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192 if ((cast(Cursor)object).isDisposed ()) return; |
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193 canvas.setCursor (cast(Cursor) object); |
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194 return; |
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195 } |
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196 if (cast(Font)object ) { |
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197 if ((cast(Font)object).isDisposed ()) return; |
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198 gc.setFont (cast(Font) object); |
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199 FontData [] array = gc.getFont ().getFontData (); |
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200 char[] string = ""; |
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201 char[] lf = text.getLineDelimiter (); |
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202 for (int i=0; i<array.length; i++) { |
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203 FontData data = array [i]; |
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204 char[] style = "NORMAL"; |
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205 int bits = data.getStyle (); |
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206 if (bits !is 0) { |
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207 if ((bits & SWT.BOLD) !is 0) style = "BOLD "; |
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208 if ((bits & SWT.ITALIC) !is 0) style ~= "ITALIC"; |
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209 } |
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210 string ~= Format( "{} {} {}{}", data.getName (), data.getHeight (), style, lf ); |
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211 } |
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212 gc.drawString (string, 0, 0); |
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213 return; |
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214 } |
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215 //NOTHING TO DRAW FOR GC |
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216 // if (object instanceof GC) { |
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217 // return; |
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218 // } |
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219 if (cast(Image)object ) { |
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220 if ((cast(Image)object).isDisposed ()) return; |
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221 gc.drawImage (cast(Image) object, 0, 0); |
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222 return; |
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223 } |
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224 if (cast(Region)object ) { |
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225 if ((cast(Region)object).isDisposed ()) return; |
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226 char[] string = (cast(Region)object).getBounds().toString(); |
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227 gc.drawString (string, 0, 0); |
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228 return; |
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229 } |
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230 } |
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|
231 |
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|
232 void refreshObject () { |
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233 int index = list.getSelectionIndex (); |
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234 if (index is -1) return; |
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235 if (check.getSelection ()) { |
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236 char[] txt = "Stacktrace info (if missing you need stacktrace support for your program):\n"; |
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237 foreach( line; errors[index].info ){ |
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238 txt ~= line ~ \n; |
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239 } |
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|
240 text.setText (txt); |
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241 text.setVisible (true); |
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|
242 canvas.setVisible (false); |
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|
243 } else { |
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|
244 canvas.setVisible (true); |
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|
245 text.setVisible (false); |
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|
246 canvas.redraw (); |
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247 } |
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|
248 } |
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|
249 |
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|
250 void refreshAll () { |
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|
251 oldObjects = null; |
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|
252 oldErrors = null; |
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253 refreshDifference (); |
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254 oldObjects = objects; |
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255 oldErrors = errors; |
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256 } |
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257 |
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258 void layout () { |
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259 Rectangle rect = shell.getClientArea (); |
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260 char[] [] strings = new char[] [](objects.length); |
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261 int width = 0; |
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262 char[] [] items = list.getItems (); |
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263 GC gc = new GC (list); |
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264 for (int i=0; i<objects.length; i++) { |
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265 width = Math.max (width, gc.stringExtent (items [i]).x); |
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266 } |
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267 gc.dispose (); |
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268 Point size1 = start.computeSize (SWT.DEFAULT, SWT.DEFAULT); |
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269 Point size2 = stop.computeSize (SWT.DEFAULT, SWT.DEFAULT); |
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270 Point size3 = check.computeSize (SWT.DEFAULT, SWT.DEFAULT); |
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271 Point size4 = label.computeSize (SWT.DEFAULT, SWT.DEFAULT); |
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272 width = Math.max (size1.x, Math.max (size2.x, Math.max (size3.x, width))); |
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273 width = Math.max (64, Math.max (size4.x, list.computeSize (width, SWT.DEFAULT).x)); |
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274 start.setBounds (0, 0, width, size1.y); |
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275 stop.setBounds (0, size1.y, width, size2.y); |
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276 check.setBounds (0, size1.y + size2.y, width, size3.y); |
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277 label.setBounds (0, rect.height - size4.y, width, size4.y); |
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278 int height = size1.y + size2.y + size3.y; |
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279 list.setBounds (0, height, width, rect.height - height - size4.y); |
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280 text.setBounds (width, 0, rect.width - width, rect.height); |
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281 canvas.setBounds (width, 0, rect.width - width, rect.height); |
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282 } |
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283 |
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284 public static void main (char[] [] args) { |
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285 Display display = new Display (); |
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286 Sleak sleak = new Sleak (); |
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287 sleak.open (); |
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288 while (!sleak.shell.isDisposed ()) { |
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289 if (!display.readAndDispatch ()) display.sleep (); |
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290 } |
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291 display.dispose (); |
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292 } |
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293 |
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294 } |