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annotate org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/widgets/Group.d @ 38:2e09b0e6857a

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work on phobosfication
author Frank Benoit <benoit@tionex.de>
date Wed, 25 Mar 2009 11:18:25 +0100
parents 6dd524f61e62
children 0ecb2b338560
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2008 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module org.eclipse.swt.widgets.Group;
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14
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15
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16 import org.eclipse.swt.SWT;
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17 import org.eclipse.swt.SWTException;
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18 import org.eclipse.swt.graphics.Font;
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19 import org.eclipse.swt.graphics.GC;
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20 import org.eclipse.swt.graphics.Point;
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21 import org.eclipse.swt.graphics.Rectangle;
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22 import org.eclipse.swt.internal.win32.OS;
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23 import org.eclipse.swt.widgets.Composite;
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24 import org.eclipse.swt.widgets.Control;
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25
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26 import java.lang.all;
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27
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28 /**
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29 * Instances of this class provide an etched border
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30 * with an optional title.
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31 * <p>
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32 * Shadow styles are hints and may not be honoured
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33 * by the platform. To create a group with the
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34 * default shadow style for the platform, do not
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35 * specify a shadow style.
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36 * <dl>
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37 * <dt><b>Styles:</b></dt>
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38 * <dd>SHADOW_ETCHED_IN, SHADOW_ETCHED_OUT, SHADOW_IN, SHADOW_OUT, SHADOW_NONE</dd>
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39 * <dt><b>Events:</b></dt>
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40 * <dd>(none)</dd>
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41 * </dl>
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42 * <p>
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43 * Note: Only one of the above styles may be specified.
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44 * </p><p>
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45 * IMPORTANT: This class is <em>not</em> intended to be subclassed.
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46 * </p>
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47 *
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48 * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a>
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49 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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50 */
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51
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52 public class Group : Composite {
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53
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54 alias Composite.computeSize computeSize;
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55 alias Composite.windowProc windowProc;
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56
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57 String text = "";
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58 static const int CLIENT_INSET = 3;
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59 private static /+const+/ WNDPROC GroupProc;
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60 static if( OS.IsWinCE ){
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61 static const TCHAR[] GroupClass = "BUTTON\0";
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62 }
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63 else{
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64 static const TCHAR[] GroupClass = "SWT_GROUP\0";
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65 }
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66
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67 private static bool static_this_completed = false;
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68 private static void static_this() {
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69 if( static_this_completed ){
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70 return;
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71 }
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72 synchronized {
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73 if( static_this_completed ){
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74 return;
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75 }
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76 /*
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77 * Feature in Windows. The group box window class
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78 * uses the CS_HREDRAW and CS_VREDRAW style bits to
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79 * force a full redraw of the control and all children
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80 * when resized. This causes flashing. The fix is to
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81 * register a new window class without these bits and
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82 * implement special code that damages only the control.
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83 *
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84 * Feature in WinCE. On certain devices, defining
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85 * a new window class which looks like BUTTON causes
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86 * CreateWindowEx() to crash. The workaround is to use
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87 * the class Button directly.
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88 */
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89 WNDCLASS lpWndClass;
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90 static if (OS.IsWinCE) {
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91 OS.GetClassInfo (null, GroupClass.ptr, &lpWndClass);
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92 GroupProc = lpWndClass.lpfnWndProc;
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93 } else {
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94 StringT WC_BUTTON = "BUTTON\0";
0
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95 OS.GetClassInfo (null, WC_BUTTON.ptr, &lpWndClass);
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96 GroupProc = lpWndClass.lpfnWndProc;
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97 auto hInstance = OS.GetModuleHandle (null);
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98 if (!OS.GetClassInfo (hInstance, GroupClass.ptr, &lpWndClass)) {
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99 auto hHeap = OS.GetProcessHeap ();
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100 lpWndClass.hInstance = hInstance;
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101 lpWndClass.style &= ~(OS.CS_HREDRAW | OS.CS_VREDRAW);
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102 int byteCount = GroupClass.length * TCHAR.sizeof;
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103 auto lpszClassName = cast(TCHAR*)OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount);
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104 OS.MoveMemory (lpszClassName, GroupClass.ptr, byteCount);
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105 lpWndClass.lpszClassName = lpszClassName;
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106 OS.RegisterClass (&lpWndClass);
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107 OS.HeapFree (hHeap, 0, lpszClassName);
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108 }
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109 }
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110 static_this_completed = true;
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111 }
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112 }
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113
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114 /**
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115 * Constructs a new instance of this class given its parent
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116 * and a style value describing its behavior and appearance.
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117 * <p>
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118 * The style value is either one of the style constants defined in
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119 * class <code>SWT</code> which is applicable to instances of this
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120 * class, or must be built by <em>bitwise OR</em>'ing together
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121 * (that is, using the <code>int</code> "|" operator) two or more
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122 * of those <code>SWT</code> style constants. The class description
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123 * lists the style constants that are applicable to the class.
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124 * Style bits are also inherited from superclasses.
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125 * </p>
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126 *
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127 * @param parent a composite control which will be the parent of the new instance (cannot be null)
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128 * @param style the style of control to construct
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129 *
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130 * @exception IllegalArgumentException <ul>
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131 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
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132 * </ul>
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133 * @exception SWTException <ul>
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134 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
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135 * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
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136 * </ul>
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137 *
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138 * @see SWT#SHADOW_ETCHED_IN
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139 * @see SWT#SHADOW_ETCHED_OUT
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140 * @see SWT#SHADOW_IN
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141 * @see SWT#SHADOW_OUT
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142 * @see SWT#SHADOW_NONE
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143 * @see Widget#checkSubclass
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144 * @see Widget#getStyle
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145 */
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146 public this (Composite parent, int style) {
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147 static_this();
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148 super (parent, checkStyle (style));
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149 }
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150
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151 override int callWindowProc (HWND hwnd, int msg, int wParam, int lParam) {
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152 if (handle is null) return 0;
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parents:
diff changeset
153 /*
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
154 * Feature in Windows. When the user clicks on the group
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
155 * box label, the group box takes focus. This is unwanted.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
156 * The fix is to avoid calling the group box window proc.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
157 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
158 switch (msg) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
159 case OS.WM_LBUTTONDOWN:
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
160 case OS.WM_LBUTTONDBLCLK:
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
161 return OS.DefWindowProc (hwnd, msg, wParam, lParam);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
162 default:
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
163 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
164 return OS.CallWindowProc (GroupProc, hwnd, msg, wParam, lParam);
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Frank Benoit <benoit@tionex.de>
parents:
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165 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
166
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
167 static int checkStyle (int style) {
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parents:
diff changeset
168 style |= SWT.NO_FOCUS;
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parents:
diff changeset
169 /*
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
170 * Even though it is legal to create this widget
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
171 * with scroll bars, they serve no useful purpose
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
172 * because they do not automatically scroll the
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
173 * widget's client area. The fix is to clear
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
174 * the SWT style.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
175 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
176 return style & ~(SWT.H_SCROLL | SWT.V_SCROLL);
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177 }
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parents:
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178
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
179 override protected void checkSubclass () {
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180 if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
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parents:
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181 }
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182
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diff changeset
183 override public Point computeSize (int wHint, int hHint, bool changed) {
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184 checkWidget ();
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185 Point size = super.computeSize (wHint, hHint, changed);
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186 int length = text.length;
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187 if (length !is 0) {
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parents:
diff changeset
188 /*
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parents:
diff changeset
189 * Bug in Windows. When a group control is right-to-left and
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
190 * is disabled, the first pixel of the text is clipped. The
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
191 * fix is to add a space to both sides of the text. Note that
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
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192 * the work around must run all the time to stop the preferred
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parents:
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193 * size from changing when a group is enabled and disabled.
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194 */
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195 String string = text;
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diff changeset
196 if ((style & SWT.RIGHT_TO_LEFT) !is 0) {
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parents:
diff changeset
197 if (OS.COMCTL32_MAJOR < 6 || !OS.IsAppThemed ()) {
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diff changeset
198 string = " " ~ string ~ " ";
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199 }
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200 }
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parents:
diff changeset
201 /*
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parents:
diff changeset
202 * If the group has text, and the text is wider than the
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Frank Benoit <benoit@tionex.de>
parents:
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203 * client area, pad the width so the text is not clipped.
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204 */
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205 TCHAR* buffer = StrToTCHARz (/+getCodePage (),+/ string);
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diff changeset
206 HFONT newFont, oldFont;
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diff changeset
207 auto hDC = OS.GetDC (handle);
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diff changeset
208 newFont = cast(HFONT) OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
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parents:
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209 if (newFont !is null) oldFont = OS.SelectObject (hDC, newFont);
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diff changeset
210 RECT rect;
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parents:
diff changeset
211 int flags = OS.DT_CALCRECT | OS.DT_SINGLELINE;
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212 OS.DrawText (hDC, buffer, -1, &rect, flags);
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diff changeset
213 if (newFont !is null) OS.SelectObject (hDC, oldFont);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
214 OS.ReleaseDC (handle, hDC);
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diff changeset
215 int offsetY = OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed () ? 0 : 1;
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parents:
diff changeset
216 size.x = Math.max (size.x, rect.right - rect.left + CLIENT_INSET * 6 + offsetY);
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217 }
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diff changeset
218 return size;
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219 }
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220
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parents:
diff changeset
221 override public Rectangle computeTrim (int x, int y, int width, int height) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
222 checkWidget ();
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diff changeset
223 Rectangle trim = super.computeTrim (x, y, width, height);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
224 HFONT newFont, oldFont;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
225 auto hDC = OS.GetDC (handle);
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226 newFont = cast(HFONT) OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
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227 if (newFont !is null) oldFont = OS.SelectObject (hDC, newFont);
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parents:
diff changeset
228 TEXTMETRIC tm;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
229 OS.GetTextMetrics (hDC, &tm);
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diff changeset
230 if (newFont !is null) OS.SelectObject (hDC, oldFont);
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diff changeset
231 OS.ReleaseDC (handle, hDC);
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parents:
diff changeset
232 int offsetY = OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed () ? 0 : 1;
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parents:
diff changeset
233 trim.x -= CLIENT_INSET;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
234 trim.y -= tm.tmHeight + offsetY;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
235 trim.width += CLIENT_INSET * 2;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
236 trim.height += tm.tmHeight + CLIENT_INSET;
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diff changeset
237 return trim;
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diff changeset
238 }
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parents:
diff changeset
239
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parents:
diff changeset
240 override void createHandle () {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
241 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
242 * Feature in Windows. When a button is created,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
243 * it clears the UI state for all controls in the
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
244 * shell by sending WM_CHANGEUISTATE with UIS_SET,
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
245 * UISF_HIDEACCEL and UISF_HIDEFOCUS to the parent.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
246 * This is undocumented and unexpected. The fix
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
247 * is to ignore the WM_CHANGEUISTATE, when sent
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
248 * from CreateWindowEx().
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
249 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
250 parent.state |= IGNORE_WM_CHANGEUISTATE;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
251 super.createHandle ();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
252 parent.state &= ~IGNORE_WM_CHANGEUISTATE;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
253 state |= DRAW_BACKGROUND;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
254 state &= ~CANVAS;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
255 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
256
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
257 override void enableWidget (bool enabled) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
258 super.enableWidget (enabled);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
259 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
260 * Bug in Windows. When a group control is right-to-left and
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
261 * is disabled, the first pixel of the text is clipped. The
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
262 * fix is to add a space to both sides of the text.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
263 */
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
264 if ((style & SWT.RIGHT_TO_LEFT) !is 0) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
265 if (OS.COMCTL32_MAJOR < 6 || !OS.IsAppThemed ()) {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
266 String string = enabled || text.length is 0 ? text : " " ~ text ~ " ";
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
267 TCHAR* buffer = StrToTCHARz (/+getCodePage (),+/ string);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
268 OS.SetWindowText (handle, buffer);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
269 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
270 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
271 }
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
272
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
273 override public Rectangle getClientArea () {
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parents:
diff changeset
274 checkWidget ();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
275 forceResize ();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
276 RECT rect;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
277 OS.GetClientRect (handle, &rect);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
278 HFONT newFont, oldFont;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
279 auto hDC = OS.GetDC (handle);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
280 newFont = cast(HFONT) OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);
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parents:
diff changeset
281 if (newFont !is null) oldFont = OS.SelectObject (hDC, newFont);
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parents:
diff changeset
282 TEXTMETRIC tm;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
283 OS.GetTextMetrics (hDC, &tm);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
284 if (newFont !is null) OS.SelectObject (hDC, oldFont);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
285 OS.ReleaseDC (handle, hDC);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
286 int offsetY = OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed () ? 0 : 1;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
287 int x = CLIENT_INSET, y = tm.tmHeight + offsetY;
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
288 int width = Math.max (0, rect.right - CLIENT_INSET * 2);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
289 int height = Math.max (0, rect.bottom - y - CLIENT_INSET);
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
290 return new Rectangle (x, y, width, height);
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parents:
diff changeset
291 }
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parents:
diff changeset
292
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parents:
diff changeset
293 override String getNameText () {
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
294 return getText ();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
295 }
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parents:
diff changeset
296
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
297 /**
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parents:
diff changeset
298 * Returns the receiver's text, which is the string that the
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parents:
diff changeset
299 * is used as the <em>title</em>. If the text has not previously
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parents:
diff changeset
300 * been set, returns an empty string.
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
301 *
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
302 * @return the text
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
303 *
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
304 * @exception SWTException <ul>
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
305 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
306 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
307 * </ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
308 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
309 public String getText () {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
310 checkWidget ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
311 return text;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
312 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
313
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
314 override bool mnemonicHit (wchar key) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
315 return setFocus ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
316 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
317
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
318 override bool mnemonicMatch (wchar key) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
319 wchar mnemonic = findMnemonic (getText ());
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
320 if (mnemonic is '\0') return false;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
321 return CharacterToUpper (key) is CharacterToUpper (mnemonic);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
322 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
323
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
324 void printWidget (HWND hwnd, GC gc) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
325 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
326 * Bug in Windows. For some reason, PrintWindow() fails
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
327 * when it is called on a push button. The fix is to
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
328 * detect the failure and use WM_PRINT instead. Note
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
329 * that WM_PRINT cannot be used all the time because it
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
330 * fails for browser controls when the browser has focus.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
331 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
332 auto hDC = gc.handle;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
333 if (!OS.PrintWindow (hwnd, hDC, 0)) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
334 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
335 * Bug in Windows. For some reason, WM_PRINT when called
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
336 * with PRF_CHILDREN will not draw the tool bar divider
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
337 * for tool bar children that do not have CCS_NODIVIDER.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
338 * The fix is to draw the group box and iterate through
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
339 * the children, drawing each one.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
340 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
341 int flags = OS.PRF_CLIENT | OS.PRF_NONCLIENT | OS.PRF_ERASEBKGND;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
342 OS.SendMessage (hwnd, OS.WM_PRINT, hDC, flags);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
343 int nSavedDC = OS.SaveDC (hDC);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
344 Control [] children = _getChildren ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
345 Rectangle rect = getBounds ();
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Frank Benoit <benoit@tionex.de>
parents:
diff changeset
346 OS.IntersectClipRect (hDC, 0, 0, rect.width, rect.height);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
347 for (int i=children.length - 1; i>=0; --i) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
348 Point location = children [i].getLocation ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
349 OS.SetWindowOrgEx (hDC, -location.x, -location.y, null);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
350 children [i].print (gc);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
351 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
352 OS.RestoreDC (hDC, nSavedDC);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
353 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
354 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
355
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
356 override void releaseWidget () {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
357 super.releaseWidget ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
358 text = null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
359 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
360
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
361 override public void setFont (Font font) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
362 checkWidget ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
363 Rectangle oldRect = getClientArea ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
364 super.setFont (font);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
365 Rectangle newRect = getClientArea ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
366 if (oldRect!=newRect) sendResize ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
367 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
368
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
369 /**
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
370 * Sets the receiver's text, which is the string that will
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
371 * be displayed as the receiver's <em>title</em>, to the argument,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
372 * which may not be null. The string may include the mnemonic character.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
373 * </p>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
374 * Mnemonics are indicated by an '&amp;' that causes the next
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
375 * character to be the mnemonic. When the user presses a
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
376 * key sequence that matches the mnemonic, focus is assigned
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
377 * to the first child of the group. On most platforms, the
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
378 * mnemonic appears underlined but may be emphasised in a
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
379 * platform specific manner. The mnemonic indicator character
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
380 * '&amp;' can be escaped by doubling it in the string, causing
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
381 * a single '&amp;' to be displayed.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
382 * </p>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
383 * @param string the new text
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
384 *
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
385 * @exception SWTException <ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
386 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
387 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
388 * </ul>
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
389 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
390 public void setText (String string) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
391 checkWidget ();
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
392 // SWT extension: allow null string
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
393 //if (string is null) error (SWT.ERROR_NULL_ARGUMENT);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
394 text = string;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
395 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
396 * Bug in Windows. When a group control is right-to-left and
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
397 * is disabled, the first pixel of the text is clipped. The
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
398 * fix is to add a space to both sides of the text.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
399 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
400 if ((style & SWT.RIGHT_TO_LEFT) !is 0) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
401 if (OS.COMCTL32_MAJOR < 6 || !OS.IsAppThemed ()) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
402 if (!OS.IsWindowEnabled (handle)) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
403 if (string.length !is 0) string = " " ~ string ~ " ";
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
404 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
405 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
406 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
407 TCHAR* buffer = StrToTCHARz(/+getCodePage (),+/ string);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
408 OS.SetWindowText (handle, buffer);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
409 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
410
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
411 override int widgetStyle () {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
412 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
413 * Bug in Windows. When GetDCEx() is called with DCX_INTERSECTUPDATE,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
414 * the HDC that is returned does not include the current update region.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
415 * This was confirmed under DEBUG Windows when GetDCEx() complained about
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
416 * invalid flags. Therefore, it is not easily possible to get an HDC from
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
417 * outside of WM_PAINT that includes the current damage and clips children.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
418 * Because the receiver has children and draws a frame and label, it is
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
419 * necessary that the receiver always draw clipped, in the current damaged
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
420 * area. The fix is to force the receiver to be fully clipped by including
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
421 * WS_CLIPCHILDREN and WS_CLIPSIBLINGS in the default style bits.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
422 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
423 return super.widgetStyle () | OS.BS_GROUPBOX | OS.WS_CLIPCHILDREN | OS.WS_CLIPSIBLINGS;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
424 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
425
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
426 override String windowClass () {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
427 return TCHARsToStr( GroupClass );
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
428 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
429
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
430 override int windowProc () {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
431 return cast(int) GroupProc;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
432 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
433
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
434 override LRESULT WM_ERASEBKGND (int wParam, int lParam) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
435 LRESULT result = super.WM_ERASEBKGND (wParam, lParam);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
436 if (result !is null) return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
437 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
438 * Feature in Windows. Group boxes do not erase
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
439 * the background before drawing. The fix is to
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
440 * fill the background.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
441 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
442 drawBackground (cast(HANDLE) wParam);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
443 return LRESULT.ONE;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
444 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
445
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
446 override LRESULT WM_NCHITTEST (int wParam, int lParam) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
447 LRESULT result = super.WM_NCHITTEST (wParam, lParam);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
448 if (result !is null) return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
449 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
450 * Feature in Windows. The window proc for the group box
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
451 * returns HTTRANSPARENT indicating that mouse messages
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
452 * should not be delivered to the receiver and any children.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
453 * Normally, group boxes in Windows do not have children and
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
454 * this is the correct behavior for this case. Because we
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
455 * allow children, answer HTCLIENT to allow mouse messages
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
456 * to be delivered to the children.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
457 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
458 int /*long*/ code = callWindowProc (handle, OS.WM_NCHITTEST, wParam, lParam);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
459 if (code is OS.HTTRANSPARENT) code = OS.HTCLIENT;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
460 return new LRESULT (code);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
461 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
462
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
463 override LRESULT WM_MOUSEMOVE (int wParam, int lParam) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
464 LRESULT result = super.WM_MOUSEMOVE (wParam, lParam);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
465 if (result !is null) return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
466 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
467 * Feature in Windows. In version 6.00 of COMCTL32.DLL,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
468 * every time the mouse moves, the group title redraws.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
469 * This only happens when WM_NCHITTEST returns HTCLIENT.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
470 * The fix is to avoid calling the group window proc.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
471 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
472 return LRESULT.ZERO;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
473 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
474
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
475 override LRESULT WM_PRINTCLIENT (int wParam, int lParam) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
476 LRESULT result = super.WM_PRINTCLIENT (wParam, lParam);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
477 if (result !is null) return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
478 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
479 * Feature in Windows. In version 6.00 of COMCTL32.DLL,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
480 * when WM_PRINTCLIENT is sent from a child BS_GROUP
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
481 * control to a parent BS_GROUP, the parent BS_GROUP
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
482 * clears the font from the HDC. Normally, group boxes
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
483 * in Windows do not have children so this behavior is
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
484 * undefined. When the parent of a BS_GROUP is not a
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
485 * BS_GROUP, there is no problem. The fix is to save
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
486 * and restore the current font.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
487 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
488 if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
489 auto nSavedDC = OS.SaveDC (cast(HDC)wParam);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
490 int /*long*/ code = callWindowProc (handle, OS.WM_PRINTCLIENT, wParam, lParam);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
491 OS.RestoreDC (cast(HDC)wParam, nSavedDC);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
492 return new LRESULT (code);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
493 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
494 return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
495 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
496
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
497 override LRESULT WM_UPDATEUISTATE (int wParam, int lParam) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
498 LRESULT result = super.WM_UPDATEUISTATE (wParam, lParam);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
499 if (result !is null) return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
500 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
501 * Feature in Windows. When WM_UPDATEUISTATE is sent to
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
502 * a group, it sends WM_CTLCOLORBTN to get the foreground
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
503 * and background. If drawing happens in WM_CTLCOLORBTN,
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
504 * it will overwrite the contents of the control. The
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
505 * fix is draw the group without drawing the background
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
506 * and avoid the group window proc.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
507 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
508 bool redraw = findImageControl () !is null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
509 if (!redraw) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
510 if ((state & THEME_BACKGROUND) !is 0) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
511 if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
512 redraw = findThemeControl () !is null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
513 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
514 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
515 if (!redraw) redraw = findBackgroundControl () !is null;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
516 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
517 if (redraw) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
518 OS.InvalidateRect (handle, null, false);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
519 int /*long*/ code = OS.DefWindowProc (handle, OS.WM_UPDATEUISTATE, wParam, lParam);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
520 return new LRESULT (code);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
521 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
522 return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
523 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
524
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
525 override LRESULT WM_WINDOWPOSCHANGING (int wParam, int lParam) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
526 LRESULT result = super.WM_WINDOWPOSCHANGING (wParam, lParam);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
527 if (result !is null) return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
528 /*
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
529 * Invalidate the portion of the group widget that needs to
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
530 * be redrawn. Note that for some reason, invalidating the
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
531 * group from inside WM_SIZE causes pixel corruption for
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
532 * radio button children.
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
533 */
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
534 static if (OS.IsWinCE) return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
535 if (!OS.IsWindowVisible (handle)) return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
536 WINDOWPOS* lpwp = cast(WINDOWPOS*)lParam;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
537 //OS.MoveMemory (lpwp, lParam, WINDOWPOS.sizeof);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
538 if ((lpwp.flags & (OS.SWP_NOSIZE | OS.SWP_NOREDRAW)) !is 0) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
539 return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
540 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
541 RECT rect;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
542 OS.SetRect (&rect, 0, 0, lpwp.cx, lpwp.cy);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
543 OS.SendMessage (handle, OS.WM_NCCALCSIZE, 0, &rect);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
544 int newWidth = rect.right - rect.left;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
545 int newHeight = rect.bottom - rect.top;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
546 OS.GetClientRect (handle, &rect);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
547 int oldWidth = rect.right - rect.left;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
548 int oldHeight = rect.bottom - rect.top;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
549 if (newWidth is oldWidth && newHeight is oldHeight) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
550 return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
551 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
552 if (newWidth !is oldWidth) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
553 int left = oldWidth;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
554 if (newWidth < oldWidth) left = newWidth;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
555 OS.SetRect (&rect, left - CLIENT_INSET, 0, newWidth, newHeight);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
556 OS.InvalidateRect (handle, &rect, true);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
557 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
558 if (newHeight !is oldHeight) {
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
559 int bottom = oldHeight;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
560 if (newHeight < oldHeight) bottom = newHeight;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
561 if (newWidth < oldWidth) oldWidth -= CLIENT_INSET;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
562 OS.SetRect (&rect, 0, bottom - CLIENT_INSET, oldWidth, newHeight);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
563 OS.InvalidateRect (handle, &rect, true);
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
564 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
565 return result;
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
566 }
6dd524f61e62 add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
567 }