1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** Contact: Qt Software Information ([email protected])
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5 | **
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6 | ** This file is part of the QtGui module of the Qt Toolkit.
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7 | **
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8 | ** $QT_BEGIN_LICENSE:LGPL$
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9 | ** Commercial Usage
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10 | ** Licensees holding valid Qt Commercial licenses may use this file in
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11 | ** accordance with the Qt Commercial License Agreement provided with the
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12 | ** Software or, alternatively, in accordance with the terms contained in
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13 | ** a written agreement between you and Nokia.
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14 | **
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15 | ** GNU Lesser General Public License Usage
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16 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 | ** General Public License version 2.1 as published by the Free Software
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18 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 | ** packaging of this file. Please review the following information to
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20 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 | **
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23 | ** In addition, as a special exception, Nokia gives you certain
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24 | ** additional rights. These rights are described in the Nokia Qt LGPL
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25 | ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 | ** package.
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27 | **
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28 | ** GNU General Public License Usage
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29 | ** Alternatively, this file may be used under the terms of the GNU
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30 | ** General Public License version 3.0 as published by the Free Software
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31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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32 | ** packaging of this file. Please review the following information to
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33 | ** ensure the GNU General Public License version 3.0 requirements will be
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34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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35 | **
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36 | ** If you are unsure which license is appropriate for your use, please
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37 | ** contact the sales department at [email protected].
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38 | ** $QT_END_LICENSE$
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39 | **
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40 | ****************************************************************************/
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41 |
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42 | #ifndef QGRAPHICSWIDGET_P_H
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43 | #define QGRAPHICSWIDGET_P_H
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44 |
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45 | //
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46 | // W A R N I N G
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47 | // -------------
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48 | //
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49 | // This file is not part of the Qt API. It exists for the convenience
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50 | // of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp. This header
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51 | // file may change from version to version without notice, or even be removed.
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52 | //
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53 | // We mean it.
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54 | //
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55 |
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56 | #include <private/qobject_p.h>
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57 | #include "qgraphicsitem_p.h"
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58 | #include "qgraphicswidget.h"
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59 | #include <QtGui/qfont.h>
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60 | #include <QtGui/qpalette.h>
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61 | #include <QtGui/qsizepolicy.h>
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62 | #include <QtGui/qstyle.h>
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63 |
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64 | QT_BEGIN_NAMESPACE
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65 |
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66 | class QGraphicsLayout;
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67 | class QStyleOptionTitleBar;
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68 |
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69 | #if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
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70 |
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71 | class Q_GUI_EXPORT QGraphicsWidgetPrivate : public QGraphicsItemPrivate
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72 | {
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73 | Q_DECLARE_PUBLIC(QGraphicsWidget)
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74 | public:
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75 | QGraphicsWidgetPrivate()
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76 | : leftMargin(0),
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77 | topMargin(0),
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78 | rightMargin(0),
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79 | bottomMargin(0),
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80 | leftLayoutItemMargin(0),
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81 | topLayoutItemMargin(0),
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82 | rightLayoutItemMargin(0),
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83 | bottomLayoutItemMargin(0),
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84 | layout(0),
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85 | inheritedPaletteResolveMask(0),
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86 | inheritedFontResolveMask(0),
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87 | inSetGeometry(0),
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88 | polished(0),
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89 | inSetPos(0),
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90 | focusPolicy(Qt::NoFocus),
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91 | focusNext(0),
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92 | focusPrev(0),
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93 | focusChild(0),
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94 | windowFlags(0),
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95 | hoveredSubControl(QStyle::SC_None),
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96 | grabbedSection(Qt::NoSection),
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97 | buttonMouseOver(false),
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98 | buttonSunken(false),
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99 | setWindowFrameMargins(false),
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100 | leftWindowFrameMargin(0),
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101 | topWindowFrameMargin(0),
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102 | rightWindowFrameMargin(0),
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103 | bottomWindowFrameMargin(0)
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104 | { }
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105 |
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106 | void init(QGraphicsItem *parentItem, Qt::WindowFlags wFlags);
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107 | qreal titleBarHeight(const QStyleOptionTitleBar &options) const;
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108 |
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109 | // Margins
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110 | qreal leftMargin;
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111 | qreal topMargin;
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112 | qreal rightMargin;
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113 | qreal bottomMargin;
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114 | QRectF contentsRect;
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115 |
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116 | // Layout item margins
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117 | void getLayoutItemMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;
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118 | void setLayoutItemMargins(qreal left, qreal top, qreal right, qreal bottom);
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119 | void setLayoutItemMargins(QStyle::SubElement element, const QStyleOption *opt = 0);
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120 |
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121 | void fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *newScene = 0);
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122 | void setLayout_helper(QGraphicsLayout *l);
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123 |
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124 | qreal leftLayoutItemMargin;
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125 | qreal topLayoutItemMargin;
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126 | qreal rightLayoutItemMargin;
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127 | qreal bottomLayoutItemMargin;
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128 |
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129 | // Layouts
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130 | QGraphicsLayout *layout;
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131 | void setLayoutDirection_helper(Qt::LayoutDirection direction);
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132 | void resolveLayoutDirection();
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133 |
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134 | // Style
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