Mercurial > projects > dwt-mac
annotate dwt/custom/SashFormLayout.d @ 8:a9ab4c738ed8
Fix: instanceof
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 27 Aug 2008 14:32:39 +0200 |
parents | e831403a80a9 |
children | 6337764516f1 |
rev | line source |
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0
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2005 IBM Corporation and others. |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 *******************************************************************************/ |
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11 module dwt.custom; |
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12 |
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13 import dwt.*; |
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14 import dwt.graphics.*; |
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15 import dwt.widgets.*; |
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16 |
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17 /** |
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18 * This class provides the layout for SashForm |
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19 * |
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20 * @see SashForm |
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21 */ |
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22 class SashFormLayout : Layout { |
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23 protected Point computeSize(Composite composite, int wHint, int hHint, bool flushCache) { |
7 | 24 SashForm sashForm = cast(SashForm)composite; |
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25 Control[] cArray = sashForm.getControls(true); |
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26 int width = 0; |
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27 int height = 0; |
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28 if (cArray.length is 0) { |
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29 if (wHint !is DWT.DEFAULT) width = wHint; |
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30 if (hHint !is DWT.DEFAULT) height = hHint; |
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31 return new Point(width, height); |
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32 } |
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33 // determine control sizes |
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34 bool vertical = sashForm.getOrientation() is DWT.VERTICAL; |
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35 int maxIndex = 0; |
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36 int maxValue = 0; |
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37 for (int i = 0; i < cArray.length; i++) { |
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38 if (vertical) { |
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39 Point size = cArray[i].computeSize(wHint, DWT.DEFAULT, flushCache); |
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40 if (size.y > maxValue) { |
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41 maxIndex = i; |
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42 maxValue = size.y; |
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43 } |
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44 width = Math.max(width, size.x); |
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45 } else { |
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46 Point size = cArray[i].computeSize(DWT.DEFAULT, hHint, flushCache); |
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47 if (size.x > maxValue) { |
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48 maxIndex = i; |
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49 maxValue = size.x; |
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50 } |
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51 height = Math.max(height, size.y); |
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52 } |
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53 } |
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54 // get the ratios |
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55 long[] ratios = new long[cArray.length]; |
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56 long total = 0; |
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57 for (int i = 0; i < cArray.length; i++) { |
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58 Object data = cArray[i].getLayoutData(); |
8 | 59 if (data !is null && null !is cast(SashFormData)data ) { |
7 | 60 ratios[i] = (cast(SashFormData)data).weight; |
0
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61 } else { |
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62 data = new SashFormData(); |
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63 cArray[i].setLayoutData(data); |
7 | 64 (cast(SashFormData)data).weight = ratios[i] = ((200 << 16) + 999) / 1000; |
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65 |
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66 } |
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67 total += ratios[i]; |
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68 } |
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69 if (ratios[maxIndex] > 0) { |
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70 int sashwidth = sashForm.sashes.length > 0 ? sashForm.SASH_WIDTH + sashForm.sashes [0].getBorderWidth() * 2 : sashForm.SASH_WIDTH; |
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71 if (vertical) { |
7 | 72 height += cast(int)(total * maxValue / ratios[maxIndex]) + (cArray.length - 1) * sashwidth; |
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73 } else { |
7 | 74 width += cast(int)(total * maxValue / ratios[maxIndex]) + (cArray.length - 1) * sashwidth; |
0
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75 } |
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76 } |
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77 width += sashForm.getBorderWidth()*2; |
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78 height += sashForm.getBorderWidth()*2; |
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79 if (wHint !is DWT.DEFAULT) width = wHint; |
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80 if (hHint !is DWT.DEFAULT) height = hHint; |
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81 return new Point(width, height); |
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82 } |
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83 |
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84 protected bool flushCache(Control control) { |
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85 return true; |
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86 } |
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87 |
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88 protected void layout(Composite composite, bool flushCache) { |
7 | 89 SashForm sashForm = cast(SashForm)composite; |
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90 Rectangle area = sashForm.getClientArea(); |
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91 if (area.width <= 1 || area.height <= 1) return; |
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92 |
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93 Control[] newControls = sashForm.getControls(true); |
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94 if (sashForm.controls.length is 0 && newControls.length is 0) return; |
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95 sashForm.controls = newControls; |
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96 |
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97 Control[] controls = sashForm.controls; |
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98 |
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99 if (sashForm.maxControl !is null && !sashForm.maxControl.isDisposed()) { |
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100 for (int i= 0; i < controls.length; i++){ |
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101 if (controls[i] !is sashForm.maxControl) { |
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102 controls[i].setBounds(-200, -200, 0, 0); |
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103 } else { |
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104 controls[i].setBounds(area); |
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105 } |
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106 } |
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107 return; |
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108 } |
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109 |
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110 // keep just the right number of sashes |
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111 if (sashForm.sashes.length < controls.length - 1) { |
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112 Sash[] newSashes = new Sash[controls.length - 1]; |
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113 System.arraycopy(sashForm.sashes, 0, newSashes, 0, sashForm.sashes.length); |
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114 for (int i = sashForm.sashes.length; i < newSashes.length; i++) { |
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115 newSashes[i] = new Sash(sashForm, sashForm.sashStyle); |
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116 newSashes[i].setBackground(sashForm.background); |
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117 newSashes[i].setForeground(sashForm.foreground); |
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118 newSashes[i].addListener(DWT.Selection, sashForm.sashListener); |
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119 } |
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120 sashForm.sashes = newSashes; |
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121 } |
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122 if (sashForm.sashes.length > controls.length - 1) { |
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123 if (controls.length is 0) { |
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124 for (int i = 0; i < sashForm.sashes.length; i++) { |
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125 sashForm.sashes[i].dispose(); |
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126 } |
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127 sashForm.sashes = new Sash[0]; |
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128 } else { |
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129 Sash[] newSashes = new Sash[controls.length - 1]; |
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130 System.arraycopy(sashForm.sashes, 0, newSashes, 0, newSashes.length); |
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131 for (int i = controls.length - 1; i < sashForm.sashes.length; i++) { |
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132 sashForm.sashes[i].dispose(); |
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133 } |
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134 sashForm.sashes = newSashes; |
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135 } |
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136 } |
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137 if (controls.length is 0) return; |
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138 Sash[] sashes = sashForm.sashes; |
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139 // get the ratios |
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140 long[] ratios = new long[controls.length]; |
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141 long total = 0; |
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142 for (int i = 0; i < controls.length; i++) { |
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143 Object data = controls[i].getLayoutData(); |
8 | 144 if (data !is null && null !is cast(SashFormData)data ) { |
7 | 145 ratios[i] = (cast(SashFormData)data).weight; |
0
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146 } else { |
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147 data = new SashFormData(); |
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148 controls[i].setLayoutData(data); |
7 | 149 (cast(SashFormData)data).weight = ratios[i] = ((200 << 16) + 999) / 1000; |
0
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150 |
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151 } |
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152 total += ratios[i]; |
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153 } |
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154 |
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155 int sashwidth = sashes.length > 0 ? sashForm.SASH_WIDTH + sashes [0].getBorderWidth() * 2 : sashForm.SASH_WIDTH; |
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156 if (sashForm.getOrientation() is DWT.HORIZONTAL) { |
7 | 157 int width = cast(int)(ratios[0] * (area.width - sashes.length * sashwidth) / total); |
0
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158 int x = area.x; |
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159 controls[0].setBounds(x, area.y, width, area.height); |
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160 x += width; |
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161 for (int i = 1; i < controls.length - 1; i++) { |
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162 sashes[i - 1].setBounds(x, area.y, sashwidth, area.height); |
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163 x += sashwidth; |
7 | 164 width = cast(int)(ratios[i] * (area.width - sashes.length * sashwidth) / total); |
0
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165 controls[i].setBounds(x, area.y, width, area.height); |
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166 x += width; |
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167 } |
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168 if (controls.length > 1) { |
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169 sashes[sashes.length - 1].setBounds(x, area.y, sashwidth, area.height); |
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170 x += sashwidth; |
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171 width = area.width - x; |
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172 controls[controls.length - 1].setBounds(x, area.y, width, area.height); |
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173 } |
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174 } else { |
7 | 175 int height = cast(int)(ratios[0] * (area.height - sashes.length * sashwidth) / total); |
0
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176 int y = area.y; |
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177 controls[0].setBounds(area.x, y, area.width, height); |
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178 y += height; |
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179 for (int i = 1; i < controls.length - 1; i++) { |
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180 sashes[i - 1].setBounds(area.x, y, area.width, sashwidth); |
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181 y += sashwidth; |
7 | 182 height = cast(int)(ratios[i] * (area.height - sashes.length * sashwidth) / total); |
0
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183 controls[i].setBounds(area.x, y, area.width, height); |
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184 y += height; |
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185 } |
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186 if (controls.length > 1) { |
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187 sashes[sashes.length - 1].setBounds(area.x, y, area.width, sashwidth); |
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188 y += sashwidth; |
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189 height = area.height - y; |
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190 controls[controls.length - 1].setBounds(area.x, y, area.width, height); |
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191 } |
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192 |
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193 } |
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194 } |
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195 } |