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annotate dwt/custom/ViewFormLayout.d @ 322:96b14a31d9b3

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Added missing dwthelper.utils imports. (catched by llvmdc)
author Frank Benoit <benoit@tionex.de>
date Mon, 06 Oct 2008 21:02:12 +0200
parents 17f8449522fd
children 964972e7fa4d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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0f12f6bb9739 author notice
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
102
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12 *******************************************************************************/
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13 module dwt.custom.ViewFormLayout;
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14
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96b14a31d9b3 Added missing dwthelper.utils imports. (catched by llvmdc)
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15 import dwt.dwthelper.utils;
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16
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17 import dwt.DWT;
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18 import dwt.graphics.Point;
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19 import dwt.graphics.Rectangle;
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20 import dwt.widgets.Composite;
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21 import dwt.widgets.Control;
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22 import dwt.widgets.Layout;
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23 import dwt.widgets.Scrollable;
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24 import dwt.custom.ViewForm;
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25 import dwt.custom.CLayoutData;
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26
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27 /**
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28 * This class provides the layout for ViewForm
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29 *
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30 * @see ViewForm
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31 */
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32 class ViewFormLayout : Layout {
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33
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34 protected override Point computeSize(Composite composite, int wHint, int hHint, bool flushCache) {
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35 ViewForm form = cast(ViewForm)composite;
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36 Control left = form.topLeft;
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37 Control center = form.topCenter;
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38 Control right = form.topRight;
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39 Control content = form.content;
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40
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41 Point leftSize = new Point(0, 0);
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42 if (left !is null) {
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43 leftSize = computeChildSize(left, DWT.DEFAULT, DWT.DEFAULT, flushCache);
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44 }
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45 Point centerSize = new Point(0, 0);
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46 if (center !is null) {
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47 centerSize = computeChildSize(center, DWT.DEFAULT, DWT.DEFAULT, flushCache);
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48 }
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49 Point rightSize = new Point(0, 0);
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50 if (right !is null) {
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51 rightSize = computeChildSize(right, DWT.DEFAULT, DWT.DEFAULT, flushCache);
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52 }
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53 Point size = new Point(0, 0);
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54 // calculate width of title bar
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55 if (form.separateTopCenter ||
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56 (wHint !is DWT.DEFAULT && leftSize.x + centerSize.x + rightSize.x > wHint)) {
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57 size.x = leftSize.x + rightSize.x;
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58 if (leftSize.x > 0 && rightSize.x > 0) size.x += form.horizontalSpacing;
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59 size.x = Math.max(centerSize.x, size.x);
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60 size.y = Math.max(leftSize.y, rightSize.y);
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61 if (center !is null){
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62 size.y += centerSize.y;
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63 if (left !is null ||right !is null)size.y += form.verticalSpacing;
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64 }
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65 } else {
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66 size.x = leftSize.x + centerSize.x + rightSize.x;
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67 int count = -1;
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68 if (leftSize.x > 0) count++;
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69 if (centerSize.x > 0) count++;
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70 if (rightSize.x > 0) count++;
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71 if (count > 0) size.x += count * form.horizontalSpacing;
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72 size.y = Math.max(leftSize.y, Math.max(centerSize.y, rightSize.y));
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73 }
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74
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75 if (content !is null) {
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76 if (left !is null || right !is null || center !is null) size.y += 1; // allow space for a vertical separator
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77 Point contentSize = new Point(0, 0);
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78 contentSize = computeChildSize(content, DWT.DEFAULT, DWT.DEFAULT, flushCache);
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79 size.x = Math.max (size.x, contentSize.x);
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80 size.y += contentSize.y;
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81 if (size.y > contentSize.y) size.y += form.verticalSpacing;
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82 }
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83
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84 size.x += 2*form.marginWidth;
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85 size.y += 2*form.marginHeight;
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86
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87 if (wHint !is DWT.DEFAULT) size.x = wHint;
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88 if (hHint !is DWT.DEFAULT) size.y = hHint;
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89
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90 return size;
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91 }
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92
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93 Point computeChildSize(Control control, int wHint, int hHint, bool flushCache) {
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94 Object data = control.getLayoutData();
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95 if (data is null || !( null !is cast(CLayoutData)data )) {
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96 data = new CLayoutData();
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97 control.setLayoutData(data);
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98 }
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99 return (cast(CLayoutData)data).computeSize(control, wHint, hHint, flushCache);
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100 }
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101
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102 int computeTrim(Control c) {
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103 if ( auto sa = cast(Scrollable)c) {
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104 Rectangle rect = sa.computeTrim (0, 0, 0, 0);
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105 return rect.width;
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106 }
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107 return c.getBorderWidth () * 2;
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108 }
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109
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110 protected override bool flushCache(Control control) {
102
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111 Object data = control.getLayoutData();
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112 if ( auto ld = cast(CLayoutData)data ) ld.flushCache();
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113 return true;
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114 }
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115
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116 protected override void layout(Composite composite, bool flushCache) {
102
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117 ViewForm form = cast(ViewForm)composite;
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118 Control left = form.topLeft;
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119 Control center = form.topCenter;
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120 Control right = form.topRight;
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121 Control content = form.content;
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122
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123 Rectangle rect = composite.getClientArea();
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124
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125 Point leftSize = new Point(0, 0);
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126 if (left !is null && !left.isDisposed()) {
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127 leftSize = computeChildSize(left, DWT.DEFAULT, DWT.DEFAULT, flushCache);
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128 }
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129 Point centerSize = new Point(0, 0);
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130 if (center !is null && !center.isDisposed()) {
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131 centerSize = computeChildSize(center, DWT.DEFAULT, DWT.DEFAULT, flushCache);
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132 }
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133 Point rightSize = new Point(0, 0);
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134 if (right !is null && !right.isDisposed()) {
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135 rightSize = computeChildSize(right, DWT.DEFAULT, DWT.DEFAULT, flushCache);
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136 }
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137
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138 int minTopWidth = leftSize.x + centerSize.x + rightSize.x + 2*form.marginWidth + 2*form.highlight;
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139 int count = -1;
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140 if (leftSize.x > 0) count++;
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141 if (centerSize.x > 0) count++;
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142 if (rightSize.x > 0) count++;
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143 if (count > 0) minTopWidth += count * form.horizontalSpacing;
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144
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145 int x = rect.x + rect.width - form.marginWidth - form.highlight;
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146 int y = rect.y + form.marginHeight + form.highlight;
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147
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148 bool top = false;
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149 if (form.separateTopCenter || minTopWidth > rect.width) {
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150 int topHeight = Math.max(rightSize.y, leftSize.y);
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151 if (right !is null && !right.isDisposed()) {
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152 top = true;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
153 x -= rightSize.x;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
154 right.setBounds(x, y, rightSize.x, topHeight);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
155 x -= form.horizontalSpacing;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
156 }
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
157 if (left !is null && !left.isDisposed()) {
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
158 top = true;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
159 int trim = computeTrim(left);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
160 int leftW = x - rect.x - form.marginWidth - form.highlight - trim;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
161 leftSize = computeChildSize(left, leftW, DWT.DEFAULT, false);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
162 left.setBounds(rect.x + form.marginWidth + form.highlight, y, leftSize.x, topHeight);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
163 }
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
164 if (top) y += topHeight + form.verticalSpacing;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
165 if (center !is null && !center.isDisposed()) {
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
166 top = true;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
167 int trim = computeTrim(center);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
168 int w = rect.width - 2*form.marginWidth - 2*form.highlight - trim;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
169 centerSize = computeChildSize(center, w, DWT.DEFAULT, false);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
170 center.setBounds(rect.x + rect.width - form.marginWidth - form.highlight - centerSize.x, y, centerSize.x, centerSize.y);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
171 y += centerSize.y + form.verticalSpacing;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
172 }
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
173 } else {
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
174 int topHeight = Math.max(rightSize.y, Math.max(centerSize.y, leftSize.y));
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
175 if (right !is null && !right.isDisposed()) {
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
176 top = true;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
177 x -= rightSize.x;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
178 right.setBounds(x, y, rightSize.x, topHeight);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
179 x -= form.horizontalSpacing;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
180 }
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
181 if (center !is null && !center.isDisposed()) {
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
182 top = true;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
183 x -= centerSize.x;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
184 center.setBounds(x, y, centerSize.x, topHeight);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
185 x -= form.horizontalSpacing;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
186 }
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
187 if (left !is null && !left.isDisposed()) {
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
188 top = true;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
189 Rectangle trim = ( null !is cast(Composite)left ) ? (cast(Composite)left).computeTrim(0, 0, 0, 0) : new Rectangle(0, 0, 0, 0);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
190 int w = x - rect.x - form.marginWidth - form.highlight - trim.width;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
191 int h = topHeight - trim.height;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
192 leftSize = computeChildSize(left, w, h, false);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
193 left.setBounds(rect.x + form.marginWidth + form.highlight, y, leftSize.x, topHeight);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
194 }
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
195 if (top)y += topHeight + form.verticalSpacing;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
196 }
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
197 int oldSeperator = form.separator;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
198 form.separator = -1;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
199 if (content !is null && !content.isDisposed()) {
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
200 if (left !is null || right!is null || center !is null){
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
201 form.separator = y;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
202 y++;
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
203 }
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
204 content.setBounds(rect.x + form.marginWidth + form.highlight, y, rect.width - 2 * form.marginWidth - 2*form.highlight, rect.y + rect.height - y - form.marginHeight - form.highlight);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
205 }
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
206 if (oldSeperator !is -1 && form.separator !is -1) {
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
207 int t = Math.min(form.separator, oldSeperator);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
208 int b = Math.max(form.separator, oldSeperator);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
209 form.redraw(form.borderLeft, t, form.getSize().x - form.borderLeft - form.borderRight, b - t, false);
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
210 }
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
211 }
12e3e0e477cd package custom, module and imports ok
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
212 }