1 | /****************************************************************************
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2 | ** $Id: qtitlebar.cpp 8 2005-11-16 19:36:46Z dmik $
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3 | **
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4 | ** Implementation of some Qt private functions.
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5 | **
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6 | ** Created : 001101
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7 | **
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8 | ** Copyright (C) 2000-2003 Trolltech AS. All rights reserved.
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9 | **
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10 | ** This file is part of the widgets module of the Qt GUI Toolkit.
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11 | **
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12 | ** This file may be distributed under the terms of the Q Public License
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13 | ** as defined by Trolltech AS of Norway and appearing in the file
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14 | ** LICENSE.QPL included in the packaging of this file.
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15 | **
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16 | ** This file may be distributed and/or modified under the terms of the
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17 | ** GNU General Public License version 2 as published by the Free Software
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18 | ** Foundation and appearing in the file LICENSE.GPL included in the
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19 | ** packaging of this file.
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20 | **
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21 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
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22 | ** licenses may use this file in accordance with the Qt Commercial License
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23 | ** Agreement provided with the Software.
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24 | **
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25 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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26 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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27 | **
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28 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
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29 | ** information about Qt Commercial License Agreements.
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30 | ** See http://www.trolltech.com/qpl/ for QPL licensing information.
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31 | ** See http://www.trolltech.com/gpl/ for GPL licensing information.
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32 | **
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33 | ** Contact info@trolltech.com if any conditions of this licensing are
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34 | ** not clear to you.
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35 | **
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36 | **********************************************************************/
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37 |
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38 | #include "qplatformdefs.h"
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39 |
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40 | #include "qtitlebar_p.h"
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41 |
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42 | #ifndef QT_NO_TITLEBAR
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43 |
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44 | #include <qcursor.h>
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45 | #include "qapplication.h"
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46 | #include "qstyle.h"
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47 | #include "qdatetime.h"
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48 | #include "private/qapplication_p.h"
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49 | #include "qtooltip.h"
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50 | #include "qimage.h"
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51 | #include "qtimer.h"
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52 | #include "qpainter.h"
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53 | #include "qstyle.h"
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54 | #include "private/qinternal_p.h"
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55 | #ifndef QT_NO_WORKSPACE
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56 | #include "qworkspace.h"
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57 | #endif
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58 | #if defined(Q_WS_WIN)
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59 | #include "qt_windows.h"
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60 | #elif defined(Q_WS_PM)
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61 | #include "qt_os2.h"
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62 | #endif
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63 |
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64 | #ifndef QT_NO_TOOLTIP
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65 | class QTitleBarTip : public QToolTip
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66 | {
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67 | public:
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68 | QTitleBarTip( QWidget * parent ) : QToolTip( parent ) { }
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69 |
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70 | void maybeTip( const QPoint &pos )
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71 | {
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72 | if ( !::qt_cast<QTitleBar*>(parentWidget()) )
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73 | return;
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74 | QTitleBar *t = (QTitleBar *)parentWidget();
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75 |
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76 | QString tipstring;
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77 | QStyle::SubControl ctrl = t->style().querySubControl(QStyle::CC_TitleBar, t, pos);
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78 | QSize controlSize = t->style().querySubControlMetrics(QStyle::CC_TitleBar, t, ctrl).size();
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79 |
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80 | QWidget *window = t->window();
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81 | if ( window ) {
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82 | switch(ctrl) {
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83 | case QStyle::SC_TitleBarSysMenu:
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84 | if ( t->testWFlags( WStyle_SysMenu ) )
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85 | tipstring = QTitleBar::tr( "System Menu" );
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86 | break;
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87 |
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88 | case QStyle::SC_TitleBarShadeButton:
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89 | if ( t->testWFlags( WStyle_Tool ) && t->testWFlags( WStyle_MinMax ) )
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90 | tipstring = QTitleBar::tr( "Shade" );
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91 | break;
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92 |
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93 | case QStyle::SC_TitleBarUnshadeButton:
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94 | if ( t->testWFlags( WStyle_Tool ) && t->testWFlags( WStyle_MinMax ) )
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95 | tipstring = QTitleBar::tr( "Unshade" );
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96 | break;
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97 |
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98 | case QStyle::SC_TitleBarNormalButton:
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99 | case QStyle::SC_TitleBarMinButton:
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100 | if ( !t->testWFlags( WStyle_Tool ) && t->testWFlags( WStyle_Minimize ) ) {
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101 | if( window->isMinimized() )
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102 | tipstring = QTitleBar::tr( "Normalize" );
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103 | else
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104 | tipstring = QTitleBar::tr( "Minimize" );
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105 | }
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106 | break;
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107 |
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108 | case QStyle::SC_TitleBarMaxButton:
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109 | if ( !t->testWFlags( WStyle_Tool ) && t->testWFlags( WStyle_Maximize ) )
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110 | tipstring = QTitleBar::tr( "Maximize" );
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111 | break;
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112 |
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113 | case QStyle::SC_TitleBarCloseButton:
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114 | if ( t->testWFlags( WStyle_SysMenu ) )
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115 | tipstring = QTitleBar::tr( "Close" );
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116 | break;
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117 |
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118 | default:
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119 | break;
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120 | }
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121 | }
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122 | #ifndef QT_NO_WIDGET_TOPEXTRA
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123 | if ( tipstring.isEmpty() ) {
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124 | if ( t->visibleText() != t->caption() )
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125 | tipstring = t->caption();
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126 | }
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127 | #endif
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128 | if(!tipstring.isEmpty())
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129 | tip( QRect(pos, controlSize), tipstring );
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130 | }
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131 | };
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132 | #endif
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133 |
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134 | class QTitleBarPrivate
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135 | {
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136 | public:
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137 | QTitleBarPrivate()
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138 | : toolTip( 0 ), act( 0 ), window( 0 ), movable( 1 ), pressed( 0 ), autoraise(0)
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139 | {
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140 | }
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141 |
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142 | QStyle::SCFlags buttonDown;
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143 | QPoint moveOffset;
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144 | QToolTip *toolTip;
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145 | bool act :1;
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146 | QWidget* window;
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147 | bool movable :1;
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148 | bool pressed :1;
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149 | bool autoraise :1;
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150 | QString cuttext;
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151 | #ifdef QT_NO_WIDGET_TOPEXTRA
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152 | QString cap;
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153 | #endif
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154 | };
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155 |
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156 | QTitleBar::QTitleBar(QWidget* w, QWidget* parent, const char* name)
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157 | : QWidget( parent, name, WStyle_Customize | WStyle_NoBorder | WNoAutoErase )
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158 | {
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159 | d = new QTitleBarPrivate();
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160 |
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161 | #ifndef QT_NO_TOOLTIP
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162 | d->toolTip = new QTitleBarTip( this );
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163 | #endif
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164 | d->window = w;
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165 | d->buttonDown = QStyle::SC_None;
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166 | d->act = 0;
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167 | if ( w ) {
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168 | setWFlags( ((QTitleBar*)w)->getWFlags() | WNoAutoErase );
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169 | if ( w->minimumSize() == w->maximumSize() )
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170 | clearWFlags( WStyle_Maximize );
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171 | #ifndef QT_NO_WIDGET_TOPEXTRA
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172 | setCaption( w->caption() );
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173 | #endif
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174 | } else {
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175 | setWFlags( WStyle_Customize | WNoAutoErase );
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176 | }
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177 |
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178 | readColors();
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179 | setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Fixed ) );
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180 | setMouseTracking(TRUE);
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181 | }
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182 |
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183 | QTitleBar::~QTitleBar()
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184 | {
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185 | #ifndef QT_NO_TOOLTIP
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186 | delete d->toolTip;
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187 | #endif
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188 |
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189 | delete d;
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190 | d = 0;
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191 | }
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192 |
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193 | #if defined (Q_WS_WIN)
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194 | extern QRgb qt_colorref2qrgb(COLORREF col);
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195 | #elif defined (Q_WS_PM)
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196 | extern QRgb qt_sysclr2qrgb( LONG sysClr );
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197 | #endif
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198 |
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199 | void QTitleBar::readColors()
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200 | {
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201 | QPalette pal = palette();
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202 |
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203 | #if defined (Q_WS_PM)
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204 | // we always use PM system colors for titlebars (regardless of
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205 | // QApplication::desktopSettingsAware()), because the simulation will
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206 | // most likely produce the same color both for an active and inactive title.
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207 | pal.setColor( QPalette::Active, QColorGroup::Highlight,
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208 | QColor( qt_sysclr2qrgb( SYSCLR_ACTIVETITLE ) ) );
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209 | pal.setColor( QPalette::Active, QColorGroup::Base,
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210 | pal.active().highlight() );
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211 | pal.setColor( QPalette::Active, QColorGroup::HighlightedText,
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212 | QColor( qt_sysclr2qrgb( SYSCLR_ACTIVETITLETEXT ) ) );
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213 | pal.setColor( QPalette::Inactive, QColorGroup::Highlight,
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214 | QColor( qt_sysclr2qrgb( SYSCLR_INACTIVETITLE ) ) );
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215 | pal.setColor( QPalette::Inactive, QColorGroup::Base,
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216 | pal.inactive().highlight() );
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217 | pal.setColor( QPalette::Inactive, QColorGroup::HighlightedText,
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218 | QColor( qt_sysclr2qrgb( SYSCLR_INACTIVETITLETEXT ) ) );
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219 | #else
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220 |
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221 | bool colorsInitialized = FALSE;
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222 |
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223 | #ifdef Q_WS_WIN // ask system properties on windows
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224 | #ifndef SPI_GETGRADIENTCAPTIONS
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225 | #define SPI_GETGRADIENTCAPTIONS 0x1008
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226 | #endif
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227 | #ifndef COLOR_GRADIENTACTIVECAPTION
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228 | #define COLOR_GRADIENTACTIVECAPTION 27
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229 | #endif
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230 | #ifndef COLOR_GRADIENTINACTIVECAPTION
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231 | #define COLOR_GRADIENTINACTIVECAPTION 28
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232 | #endif
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233 | if ( QApplication::desktopSettingsAware() ) {
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234 | pal.setColor( QPalette::Active, QColorGroup::Highlight, qt_colorref2qrgb(GetSysColor(COLOR_ACTIVECAPTION)) );
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235 | pal.setColor( QPalette::Inactive, QColorGroup::Highlight, qt_colorref2qrgb(GetSysColor(COLOR_INACTIVECAPTION)) );
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236 | pal.setColor( QPalette::Active, QColorGroup::HighlightedText, qt_colorref2qrgb(GetSysColor(COLOR_CAPTIONTEXT)) );
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237 | pal.setColor( QPalette::Inactive, QColorGroup::HighlightedText, qt_colorref2qrgb(GetSysColor(COLOR_INACTIVECAPTIONTEXT)) );
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238 | if ( qt_winver != Qt::WV_95 && qt_winver != WV_NT ) {
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239 | colorsInitialized = TRUE;
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240 | BOOL gradient;
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241 | QT_WA( {
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242 | SystemParametersInfo( SPI_GETGRADIENTCAPTIONS, 0, &gradient, 0 );
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243 | } , {
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244 | SystemParametersInfoA( SPI_GETGRADIENTCAPTIONS, 0, &gradient, 0 );
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245 | } );
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246 | if ( gradient ) {
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247 | pal.setColor( QPalette::Active, QColorGroup::Base, qt_colorref2qrgb(GetSysColor(COLOR_GRADIENTACTIVECAPTION)) );
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248 | pal.setColor( QPalette::Inactive, QColorGroup::Base, qt_colorref2qrgb(GetSysColor(COLOR_GRADIENTINACTIVECAPTION)) );
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249 | } else {
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250 | pal.setColor( QPalette::Active, QColorGroup::Base, palette().active().highlight() );
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251 | pal.setColor( QPalette::Inactive, QColorGroup::Base, palette().inactive().highlight() );
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252 | }
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253 | }
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254 | }
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255 | #endif // Q_WS_WIN
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256 | if ( !colorsInitialized ) {
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257 | pal.setColor( QPalette::Active, QColorGroup::Highlight, palette().active().highlight() );
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258 | pal.setColor( QPalette::Active, QColorGroup::Base, palette().active().highlight() );
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259 | pal.setColor( QPalette::Inactive, QColorGroup::Highlight, palette().inactive().dark() );
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260 | pal.setColor( QPalette::Inactive, QColorGroup::Base, palette().inactive().dark() );
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261 | pal.setColor( QPalette::Inactive, QColorGroup::HighlightedText, palette().inactive().background() );
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262 | }
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263 | #endif // Q_WS_PM
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264 |
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265 | setPalette( pal );
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266 | setActive( d->act );
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267 | }
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268 |
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269 | void QTitleBar::mousePressEvent( QMouseEvent * e)
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270 | {
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271 | if ( !d->act )
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272 | emit doActivate();
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273 | if ( e->button() == LeftButton ) {
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274 | d->pressed = TRUE;
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275 | QStyle::SCFlags ctrl = style().querySubControl(QStyle::CC_TitleBar, this, e->pos());
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276 | switch (ctrl) {
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277 | case QStyle::SC_TitleBarSysMenu:
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278 | if ( testWFlags( WStyle_SysMenu ) && !testWFlags( WStyle_Tool ) ) {
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279 | d->buttonDown = QStyle::SC_None;
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280 | static QTime* t = 0;
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281 | static QTitleBar* tc = 0;
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282 | if ( !t )
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283 | t = new QTime;
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284 | if ( tc != this || t->elapsed() > QApplication::doubleClickInterval() ) {
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285 | emit showOperationMenu();
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286 | t->start();
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287 | tc = this;
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288 | } else {
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289 | tc = 0;
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290 | emit doClose();
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291 | return;
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292 | }
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293 | }
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294 | break;
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295 |
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296 | case QStyle::SC_TitleBarShadeButton:
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297 | case QStyle::SC_TitleBarUnshadeButton:
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298 | if ( testWFlags( WStyle_MinMax ) && testWFlags( WStyle_Tool ) )
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299 | d->buttonDown = ctrl;
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300 | break;
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301 |
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302 | case QStyle::SC_TitleBarNormalButton:
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303 | if( testWFlags( WStyle_Minimize ) && !testWFlags( WStyle_Tool ) )
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304 | d->buttonDown = ctrl;
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305 | break;
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306 |
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307 | case QStyle::SC_TitleBarMinButton:
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308 | if( testWFlags( WStyle_Minimize ) && !testWFlags( WStyle_Tool ) )
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309 | d->buttonDown = ctrl;
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310 | break;
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311 |
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312 | case QStyle::SC_TitleBarMaxButton:
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313 | if ( testWFlags( WStyle_Maximize ) && !testWFlags( WStyle_Tool ) )
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314 | d->buttonDown = ctrl;
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315 | break;
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316 |
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317 | case QStyle::SC_TitleBarCloseButton:
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318 | if ( testWFlags( WStyle_SysMenu ) )
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319 | d->buttonDown = ctrl;
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320 | break;
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321 |
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322 | case QStyle::SC_TitleBarLabel:
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323 | d->buttonDown = ctrl;
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324 | d->moveOffset = mapToParent( e->pos() );
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325 | break;
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326 |
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327 | default:
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328 | break;
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329 | }
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330 | repaint( FALSE );
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331 | } else {
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332 | d->pressed = FALSE;
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333 | }
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334 | }
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335 |
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336 | void QTitleBar::contextMenuEvent( QContextMenuEvent *e )
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337 | {
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338 | QStyle::SCFlags ctrl = style().querySubControl(QStyle::CC_TitleBar, this, e->pos());
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339 | if( ctrl == QStyle::SC_TitleBarLabel || ctrl == QStyle::SC_TitleBarSysMenu )
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340 | emit popupOperationMenu(e->globalPos());
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341 | else
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342 | e->ignore();
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343 | }
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344 |
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345 | void QTitleBar::mouseReleaseEvent( QMouseEvent * e)
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346 | {
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347 | if ( e->button() == LeftButton && d->pressed) {
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348 | QStyle::SCFlags ctrl = style().querySubControl(QStyle::CC_TitleBar, this, e->pos());
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349 |
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350 | if (ctrl == d->buttonDown) {
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351 | switch(ctrl) {
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352 | case QStyle::SC_TitleBarShadeButton:
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353 | case QStyle::SC_TitleBarUnshadeButton:
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354 | if( testWFlags( WStyle_MinMax ) && testWFlags( WStyle_Tool ) )
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355 | emit doShade();
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356 | break;
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357 |
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358 | case QStyle::SC_TitleBarNormalButton:
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359 | if( testWFlags( WStyle_MinMax ) && !testWFlags( WStyle_Tool ) )
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360 | emit doNormal();
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361 | break;
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362 |
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363 | case QStyle::SC_TitleBarMinButton:
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364 | if( testWFlags( WStyle_Minimize ) && !testWFlags( WStyle_Tool ) )
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365 | emit doMinimize();
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366 | break;
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367 |
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368 | case QStyle::SC_TitleBarMaxButton:
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369 | if( d->window && testWFlags( WStyle_Maximize ) && !testWFlags( WStyle_Tool ) ) {
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370 | if(d->window->isMaximized())
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371 | emit doNormal();
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372 | else
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373 | emit doMaximize();
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374 | }
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375 | break;
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376 |
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377 | case QStyle::SC_TitleBarCloseButton:
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378 | if( testWFlags( WStyle_SysMenu ) ) {
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379 | d->buttonDown = QStyle::SC_None;
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380 | repaint(FALSE);
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381 | emit doClose();
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382 | return;
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383 | }
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384 | break;
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385 |
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386 | default:
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387 | break;
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388 | }
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389 | }
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390 | d->buttonDown = QStyle::SC_None;
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391 | repaint(FALSE);
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392 | d->pressed = FALSE;
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393 | }
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394 | }
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395 |
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396 | void QTitleBar::mouseMoveEvent( QMouseEvent * e)
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397 | {
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398 | switch (d->buttonDown) {
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399 | case QStyle::SC_None:
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400 | if(autoRaise())
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401 | repaint( FALSE );
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402 | break;
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403 | case QStyle::SC_TitleBarSysMenu:
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404 | break;
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405 | case QStyle::SC_TitleBarShadeButton:
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406 | case QStyle::SC_TitleBarUnshadeButton:
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407 | case QStyle::SC_TitleBarNormalButton:
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408 | case QStyle::SC_TitleBarMinButton:
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409 | case QStyle::SC_TitleBarMaxButton:
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410 | case QStyle::SC_TitleBarCloseButton:
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411 | {
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412 | QStyle::SCFlags last_ctrl = d->buttonDown;
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413 | d->buttonDown = style().querySubControl(QStyle::CC_TitleBar, this, e->pos());
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414 | if( d->buttonDown != last_ctrl)
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415 | d->buttonDown = QStyle::SC_None;
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416 | repaint(FALSE);
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417 | d->buttonDown = last_ctrl;
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418 | }
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419 | break;
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420 |
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421 | case QStyle::SC_TitleBarLabel:
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422 | if ( d->buttonDown == QStyle::SC_TitleBarLabel && d->movable && d->pressed ) {
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423 | if ( (d->moveOffset - mapToParent( e->pos() ) ).manhattanLength() >= 4 ) {
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424 | QPoint p = mapFromGlobal(e->globalPos());
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425 | #ifndef QT_NO_WORKSPACE
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426 | if(d->window && d->window->parentWidget()->inherits("QWorkspaceChild")) {
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427 | QWorkspace *workspace = ::qt_cast<QWorkspace*>(d->window->parentWidget()->parentWidget());
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428 | if(workspace) {
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429 | p = workspace->mapFromGlobal( e->globalPos() );
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430 | if ( !workspace->rect().contains(p) ) {
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431 | if ( p.x() < 0 )
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432 | p.rx() = 0;
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433 | if ( p.y() < 0 )
|
---|
434 | p.ry() = 0;
|
---|
435 | if ( p.x() > workspace->width() )
|
---|
436 | p.rx() = workspace->width();
|
---|
437 | if ( p.y() > workspace->height() )
|
---|
438 | p.ry() = workspace->height();
|
---|
439 | }
|
---|
440 | }
|
---|
441 | }
|
---|
442 | #endif
|
---|
443 | QPoint pp = p - d->moveOffset;
|
---|
444 | if (!parentWidget()->isMaximized())
|
---|
445 | parentWidget()->move( pp );
|
---|
446 | }
|
---|
447 | } else {
|
---|
448 | QStyle::SCFlags last_ctrl = d->buttonDown;
|
---|
449 | d->buttonDown = QStyle::SC_None;
|
---|
450 | if( d->buttonDown != last_ctrl)
|
---|
451 | repaint(FALSE);
|
---|
452 | }
|
---|
453 | break;
|
---|
454 | }
|
---|
455 | }
|
---|
456 |
|
---|
457 | void QTitleBar::resizeEvent( QResizeEvent *r)
|
---|
458 | {
|
---|
459 | QWidget::resizeEvent(r);
|
---|
460 | cutText();
|
---|
461 | }
|
---|
462 |
|
---|
463 | void QTitleBar::paintEvent(QPaintEvent *)
|
---|
464 | {
|
---|
465 | QStyle::SCFlags ctrls = QStyle::SC_TitleBarLabel;
|
---|
466 | if ( testWFlags( WStyle_SysMenu) ) {
|
---|
467 | if ( testWFlags( WStyle_Tool ) ) {
|
---|
468 | ctrls |= QStyle::SC_TitleBarCloseButton;
|
---|
469 | if ( d->window && testWFlags( WStyle_MinMax ) ) {
|
---|
470 | if ( d->window->isMinimized() )
|
---|
471 | ctrls |= QStyle::SC_TitleBarUnshadeButton;
|
---|
472 | else
|
---|
473 | ctrls |= QStyle::SC_TitleBarShadeButton;
|
---|
474 | }
|
---|
475 | } else {
|
---|
476 | ctrls |= QStyle::SC_TitleBarSysMenu | QStyle::SC_TitleBarCloseButton;
|
---|
477 | if ( d->window && testWFlags( WStyle_Minimize ) ) {
|
---|
478 | if( d->window && d->window->isMinimized() )
|
---|
479 | ctrls |= QStyle::SC_TitleBarNormalButton;
|
---|
480 | else
|
---|
481 | ctrls |= QStyle::SC_TitleBarMinButton;
|
---|
482 | }
|
---|
483 | if ( d->window && testWFlags( WStyle_Maximize ) && !d->window->isMaximized() )
|
---|
484 | ctrls |= QStyle::SC_TitleBarMaxButton;
|
---|
485 | }
|
---|
486 | }
|
---|
487 |
|
---|
488 | QStyle::SCFlags under_mouse = QStyle::SC_None;
|
---|
489 | if( autoRaise() && hasMouse() ) {
|
---|
490 | QPoint p(mapFromGlobal(QCursor::pos()));
|
---|
491 | under_mouse = style().querySubControl(QStyle::CC_TitleBar, this, p);
|
---|
492 | ctrls ^= under_mouse;
|
---|
493 | }
|
---|
494 |
|
---|
495 | QSharedDoubleBuffer buffer( this, rect() );
|
---|
496 | style().drawComplexControl(QStyle::CC_TitleBar, buffer.painter(), this, rect(),
|
---|
497 | colorGroup(),
|
---|
498 | isEnabled() ? QStyle::Style_Enabled :
|
---|
499 | QStyle::Style_Default, ctrls, d->buttonDown);
|
---|
500 | if(under_mouse != QStyle::SC_None)
|
---|
501 | style().drawComplexControl(QStyle::CC_TitleBar, buffer.painter(), this, rect(),
|
---|
502 | colorGroup(),
|
---|
503 | QStyle::Style_MouseOver |
|
---|
504 | (isEnabled() ? QStyle::Style_Enabled : 0),
|
---|
505 | under_mouse, d->buttonDown);
|
---|
506 | }
|
---|
507 |
|
---|
508 | void QTitleBar::mouseDoubleClickEvent( QMouseEvent *e )
|
---|
509 | {
|
---|
510 | if ( e->button() != LeftButton )
|
---|
511 | return;
|
---|
512 |
|
---|
513 | switch(style().querySubControl(QStyle::CC_TitleBar, this, e->pos())) {
|
---|
514 | case QStyle::SC_TitleBarLabel:
|
---|
515 | emit doubleClicked();
|
---|
516 | break;
|
---|
517 |
|
---|
518 | case QStyle::SC_TitleBarSysMenu:
|
---|
519 | if ( testWFlags( WStyle_SysMenu ) )
|
---|
520 | emit doClose();
|
---|
521 | break;
|
---|
522 |
|
---|
523 | default:
|
---|
524 | break;
|
---|
525 | }
|
---|
526 | }
|
---|
527 |
|
---|
528 | #ifdef QT_NO_WIDGET_TOPEXTRA
|
---|
529 | // We provide one, since titlebar is useless otherwise.
|
---|
530 | QString QTitleBar::caption() const
|
---|
531 | {
|
---|
532 | return d->cap;
|
---|
533 | }
|
---|
534 | #endif
|
---|
535 |
|
---|
536 | void QTitleBar::cutText()
|
---|
537 | {
|
---|
538 | QFontMetrics fm( font() );
|
---|
539 |
|
---|
540 | int maxw = style().querySubControlMetrics(QStyle::CC_TitleBar, this,
|
---|
541 | QStyle::SC_TitleBarLabel).width();
|
---|
542 | if ( !d->window )
|
---|
543 | maxw = width() - 20;
|
---|
544 | const QString txt = caption();
|
---|
545 | d->cuttext = txt;
|
---|
546 | if ( fm.width( txt + "m" ) > maxw ) {
|
---|
547 | int i = txt.length();
|
---|
548 | int dotlength = fm.width( "..." );
|
---|
549 | while ( i>0 && fm.width(txt.left( i )) + dotlength > maxw )
|
---|
550 | i--;
|
---|
551 | if(i != (int)txt.length())
|
---|
552 | d->cuttext = txt.left( i ) + "...";
|
---|
553 | }
|
---|
554 | }
|
---|
555 |
|
---|
556 | void QTitleBar::setCaption( const QString& title )
|
---|
557 | {
|
---|
558 | if( caption() == title)
|
---|
559 | return;
|
---|
560 | #ifndef QT_NO_WIDGET_TOPEXTRA
|
---|
561 | QWidget::setCaption( title );
|
---|
562 | #else
|
---|
563 | d->cap = title;
|
---|
564 | #endif
|
---|
565 | cutText();
|
---|
566 |
|
---|
567 | update();
|
---|
568 | }
|
---|
569 |
|
---|
570 |
|
---|
571 | void QTitleBar::setIcon( const QPixmap& icon )
|
---|
572 | {
|
---|
573 | #ifndef QT_NO_WIDGET_TOPEXTRA
|
---|
574 | #ifndef QT_NO_IMAGE_SMOOTHSCALE
|
---|
575 | QRect menur = style().querySubControlMetrics(QStyle::CC_TitleBar, this,
|
---|
576 | QStyle::SC_TitleBarSysMenu);
|
---|
577 |
|
---|
578 | QPixmap theIcon;
|
---|
579 | if (icon.width() > menur.width()) {
|
---|
580 | // try to keep something close to the same aspect
|
---|
581 | int aspect = (icon.height() * 100) / icon.width();
|
---|
582 | int newh = (aspect * menur.width()) / 100;
|
---|
583 | theIcon.convertFromImage( icon.convertToImage().smoothScale(menur.width(),
|
---|
584 | newh) );
|
---|
585 | } else if (icon.height() > menur.height()) {
|
---|
586 | // try to keep something close to the same aspect
|
---|
587 | int aspect = (icon.width() * 100) / icon.height();
|
---|
588 | int neww = (aspect * menur.height()) / 100;
|
---|
589 | theIcon.convertFromImage( icon.convertToImage().smoothScale(neww,
|
---|
590 | menur.height()) );
|
---|
591 | } else
|
---|
592 | theIcon = icon;
|
---|
593 |
|
---|
594 | QWidget::setIcon( theIcon );
|
---|
595 | #else
|
---|
596 | QWidget::setIcon( icon );
|
---|
597 | #endif
|
---|
598 |
|
---|
599 | update();
|
---|
600 | #endif
|
---|
601 | }
|
---|
602 |
|
---|
603 | void QTitleBar::leaveEvent( QEvent * )
|
---|
604 | {
|
---|
605 | if(autoRaise() && !d->pressed)
|
---|
606 | repaint( FALSE );
|
---|
607 | }
|
---|
608 |
|
---|
609 | void QTitleBar::enterEvent( QEvent * )
|
---|
610 | {
|
---|
611 | if(autoRaise() && !d->pressed)
|
---|
612 | repaint( FALSE );
|
---|
613 | QEvent e( QEvent::Leave );
|
---|
614 | QApplication::sendEvent( parentWidget(), &e );
|
---|
615 | }
|
---|
616 |
|
---|
617 | void QTitleBar::setActive( bool active )
|
---|
618 | {
|
---|
619 | if ( d->act == active )
|
---|
620 | return ;
|
---|
621 |
|
---|
622 | d->act = active;
|
---|
623 | update();
|
---|
624 | }
|
---|
625 |
|
---|
626 | bool QTitleBar::isActive() const
|
---|
627 | {
|
---|
628 | return d->act;
|
---|
629 | }
|
---|
630 |
|
---|
631 | bool QTitleBar::usesActiveColor() const
|
---|
632 | {
|
---|
633 | return ( isActive() && isActiveWindow() ) ||
|
---|
634 | ( !window() && topLevelWidget()->isActiveWindow() );
|
---|
635 | }
|
---|
636 |
|
---|
637 | QString QTitleBar::visibleText() const
|
---|
638 | {
|
---|
639 | return d->cuttext;
|
---|
640 | }
|
---|
641 |
|
---|
642 | QWidget *QTitleBar::window() const
|
---|
643 | {
|
---|
644 | return d->window;
|
---|
645 | }
|
---|
646 |
|
---|
647 | bool QTitleBar::event( QEvent* e )
|
---|
648 | {
|
---|
649 | if ( e->type() == QEvent::ApplicationPaletteChange ) {
|
---|
650 | readColors();
|
---|
651 | return TRUE;
|
---|
652 | } else if ( e->type() == QEvent::WindowActivate ) {
|
---|
653 | setActive( d->act );
|
---|
654 | } else if ( e->type() == QEvent::WindowDeactivate ) {
|
---|
655 | bool wasActive = d->act;
|
---|
656 | setActive( FALSE );
|
---|
657 | d->act = wasActive;
|
---|
658 | }
|
---|
659 |
|
---|
660 | return QWidget::event( e );
|
---|
661 | }
|
---|
662 |
|
---|
663 | void QTitleBar::setMovable(bool b)
|
---|
664 | {
|
---|
665 | d->movable = b;
|
---|
666 | }
|
---|
667 |
|
---|
668 | bool QTitleBar::isMovable() const
|
---|
669 | {
|
---|
670 | return d->movable;
|
---|
671 | }
|
---|
672 |
|
---|
673 | void QTitleBar::setAutoRaise(bool b)
|
---|
674 | {
|
---|
675 | d->autoraise = b;
|
---|
676 | }
|
---|
677 |
|
---|
678 | bool QTitleBar::autoRaise() const
|
---|
679 | {
|
---|
680 | return d->autoraise;
|
---|
681 | }
|
---|
682 |
|
---|
683 | QSize QTitleBar::sizeHint() const
|
---|
684 | {
|
---|
685 | constPolish();
|
---|
686 | QRect menur = style().querySubControlMetrics(QStyle::CC_TitleBar, this,
|
---|
687 | QStyle::SC_TitleBarSysMenu);
|
---|
688 | return QSize( menur.width(), style().pixelMetric( QStyle::PM_TitleBarHeight, this ) );
|
---|
689 | }
|
---|
690 |
|
---|
691 | #endif //QT_NO_TITLEBAR
|
---|