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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 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtGui module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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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 other Qt classes. This header file may change from version to |
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51 // 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 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 : margins(0), |
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77 layout(0), |
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78 inheritedPaletteResolveMask(0), |
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79 inheritedFontResolveMask(0), |
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80 inSetGeometry(0), |
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81 polished(0), |
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82 inSetPos(0), |
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83 focusPolicy(Qt::NoFocus), |
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84 focusNext(0), |
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85 focusPrev(0), |
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86 windowFlags(0), |
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87 windowData(0), |
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88 setWindowFrameMargins(false), |
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89 windowFrameMargins(0) |
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90 { } |
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91 virtual ~QGraphicsWidgetPrivate(); |
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92 |
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93 void init(QGraphicsItem *parentItem, Qt::WindowFlags wFlags); |
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94 qreal titleBarHeight(const QStyleOptionTitleBar &options) const; |
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95 |
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96 // Margins |
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97 enum {Left, Top, Right, Bottom}; |
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98 mutable qreal *margins; |
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99 void ensureMargins() const; |
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100 |
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101 void fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *newScene = 0); |
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102 void setLayout_helper(QGraphicsLayout *l); |
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103 |
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104 // Layouts |
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105 QGraphicsLayout *layout; |
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106 void setLayoutDirection_helper(Qt::LayoutDirection direction); |
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107 void resolveLayoutDirection(); |
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108 |
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109 // Style |
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110 QPalette palette; |
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111 uint inheritedPaletteResolveMask; |
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112 void setPalette_helper(const QPalette &palette); |
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113 void resolvePalette(uint inheritedMask); |
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114 void updatePalette(const QPalette &palette); |
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115 QPalette naturalWidgetPalette() const; |
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116 QFont font; |
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117 uint inheritedFontResolveMask; |
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118 void setFont_helper(const QFont &font); |
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119 void resolveFont(uint inheritedMask); |
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120 void updateFont(const QFont &font); |
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121 QFont naturalWidgetFont() const; |
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122 |
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123 // Window specific |
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124 void initStyleOptionTitleBar(QStyleOptionTitleBar *option); |
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125 void adjustWindowFlags(Qt::WindowFlags *wFlags); |
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126 void windowFrameMouseReleaseEvent(QGraphicsSceneMouseEvent *event); |
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127 void windowFrameMousePressEvent(QGraphicsSceneMouseEvent *event); |
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128 void windowFrameMouseMoveEvent(QGraphicsSceneMouseEvent *event); |
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129 void windowFrameHoverMoveEvent(QGraphicsSceneHoverEvent *event); |
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130 void windowFrameHoverLeaveEvent(QGraphicsSceneHoverEvent *event); |
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131 bool hasDecoration() const; |
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132 |
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133 // State |
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134 inline int attributeToBitIndex(Qt::WidgetAttribute att) const |
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135 { |
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136 int bit = -1; |
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137 switch (att) { |
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138 case Qt::WA_SetLayoutDirection: bit = 0; break; |
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139 case Qt::WA_RightToLeft: bit = 1; break; |
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140 case Qt::WA_SetStyle: bit = 2; break; |
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141 case Qt::WA_Resized: bit = 3; break; |
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142 case Qt::WA_DeleteOnClose: bit = 4; break; |
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143 case Qt::WA_NoSystemBackground: bit = 5; break; |
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144 case Qt::WA_OpaquePaintEvent: bit = 6; break; |
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145 case Qt::WA_SetPalette: bit = 7; break; |
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146 case Qt::WA_SetFont: bit = 8; break; |
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147 case Qt::WA_WindowPropagation: bit = 9; break; |
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148 default: break; |
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149 } |
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150 return bit; |
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151 } |
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152 inline void setAttribute(Qt::WidgetAttribute att, bool value) |
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153 { |
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154 int bit = attributeToBitIndex(att); |
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155 if (bit == -1) { |
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156 qWarning("QGraphicsWidget::setAttribute: unsupported attribute %d", int(att)); |
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157 return; |
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158 } |
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159 if (value) |
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160 attributes |= (1 << bit); |
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161 else |
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162 attributes &= ~(1 << bit); |
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163 } |
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164 inline bool testAttribute(Qt::WidgetAttribute att) const |
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165 { |
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166 int bit = attributeToBitIndex(att); |
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167 if (bit == -1) |
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168 return false; |
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169 return (attributes & (1 << bit)) != 0; |
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170 } |
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171 quint32 attributes : 10; |
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172 quint32 inSetGeometry : 1; |
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173 quint32 polished: 1; |
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174 quint32 inSetPos : 1; |
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175 |
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176 // Focus |
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177 Qt::FocusPolicy focusPolicy; |
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178 QGraphicsWidget *focusNext; |
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179 QGraphicsWidget *focusPrev; |
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180 |
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181 // Windows |
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182 Qt::WindowFlags windowFlags; |
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183 struct WindowData { |
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184 QString windowTitle; |
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185 QStyle::SubControl hoveredSubControl; |
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186 Qt::WindowFrameSection grabbedSection; |
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187 uint buttonMouseOver : 1; |
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188 uint buttonSunken : 1; |
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189 QRectF startGeometry; |
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190 QRect buttonRect; |
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191 WindowData() |
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192 : hoveredSubControl(QStyle::SC_None) |
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193 , grabbedSection(Qt::NoSection) |
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194 , buttonMouseOver(false) |
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195 , buttonSunken(false) |
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196 {} |
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197 } *windowData; |
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198 void ensureWindowData(); |
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199 |
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200 bool setWindowFrameMargins; |
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201 mutable qreal *windowFrameMargins; |
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202 void ensureWindowFrameMargins() const; |
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203 |
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204 #ifndef QT_NO_ACTION |
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205 QList<QAction *> actions; |
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206 #endif |
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207 }; |
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208 |
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209 #endif //!defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW |
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210 |
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211 QT_END_NAMESPACE |
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212 |
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213 #endif //QGRAPHICSWIDGET_P_H |
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214 |