| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWidgets module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
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| ** GNU Lesser General Public License Usage |
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| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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| ****************************************************************************/ |
| |
| #ifndef QGRAPHICSWIDGET_P_H |
| #define QGRAPHICSWIDGET_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists for the convenience |
| // of other Qt classes. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <private/qobject_p.h> |
| #include "qgraphicsitem_p.h" |
| #include "qgraphicswidget.h" |
| #include <QtGui/qfont.h> |
| #include <QtGui/qpalette.h> |
| #include <QtWidgets/qsizepolicy.h> |
| #include <QtWidgets/qstyle.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QGraphicsLayout; |
| class QStyleOptionTitleBar; |
| |
| #if !defined(QT_NO_GRAPHICSVIEW) |
| |
| class QGraphicsWidgetPrivate : public QGraphicsItemPrivate |
| { |
| Q_DECLARE_PUBLIC(QGraphicsWidget) |
| public: |
| QGraphicsWidgetPrivate() |
| : margins(0), |
| layout(0), |
| inheritedPaletteResolveMask(0), |
| inheritedFontResolveMask(0), |
| inSetGeometry(0), |
| polished(0), |
| inSetPos(0), |
| autoFillBackground(0), |
| focusPolicy(Qt::NoFocus), |
| focusNext(0), |
| focusPrev(0), |
| windowFlags(0), |
| windowData(0), |
| setWindowFrameMargins(false), |
| windowFrameMargins(0) |
| { } |
| virtual ~QGraphicsWidgetPrivate(); |
| |
| void init(QGraphicsItem *parentItem, Qt::WindowFlags wFlags); |
| qreal titleBarHeight(const QStyleOptionTitleBar &options) const; |
| |
| // Margins |
| enum {Left, Top, Right, Bottom}; |
| mutable qreal *margins; |
| void ensureMargins() const; |
| |
| void fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *oldScene, QGraphicsScene *newScene = 0); |
| void setLayout_helper(QGraphicsLayout *l); |
| |
| // Layouts |
| QGraphicsLayout *layout; |
| void setLayoutDirection_helper(Qt::LayoutDirection direction); |
| void resolveLayoutDirection(); |
| |
| // Style |
| QPalette palette; |
| uint inheritedPaletteResolveMask; |
| void setPalette_helper(const QPalette &palette); |
| void resolvePalette(uint inheritedMask) Q_DECL_OVERRIDE; |
| void updatePalette(const QPalette &palette); |
| QPalette naturalWidgetPalette() const; |
| QFont font; |
| uint inheritedFontResolveMask; |
| void setFont_helper(const QFont &font); |
| void resolveFont(uint inheritedMask) Q_DECL_OVERRIDE; |
| void updateFont(const QFont &font); |
| QFont naturalWidgetFont() const; |
| |
| // Window specific |
| void initStyleOptionTitleBar(QStyleOptionTitleBar *option); |
| void adjustWindowFlags(Qt::WindowFlags *wFlags); |
| void windowFrameMouseReleaseEvent(QGraphicsSceneMouseEvent *event); |
| void windowFrameMousePressEvent(QGraphicsSceneMouseEvent *event); |
| void windowFrameMouseMoveEvent(QGraphicsSceneMouseEvent *event); |
| void windowFrameHoverMoveEvent(QGraphicsSceneHoverEvent *event); |
| void windowFrameHoverLeaveEvent(QGraphicsSceneHoverEvent *event); |
| bool hasDecoration() const; |
| |
| // Private Properties |
| qreal width() const Q_DECL_OVERRIDE; |
| void setWidth(qreal) Q_DECL_OVERRIDE; |
| void resetWidth() Q_DECL_OVERRIDE; |
| |
| qreal height() const Q_DECL_OVERRIDE; |
| void setHeight(qreal) Q_DECL_OVERRIDE; |
| void resetHeight() Q_DECL_OVERRIDE; |
| void setGeometryFromSetPos(); |
| |
| // State |
| inline int attributeToBitIndex(Qt::WidgetAttribute att) const |
| { |
| int bit = -1; |
| switch (att) { |
| case Qt::WA_SetLayoutDirection: bit = 0; break; |
| case Qt::WA_RightToLeft: bit = 1; break; |
| case Qt::WA_SetStyle: bit = 2; break; |
| case Qt::WA_Resized: bit = 3; break; |
| case Qt::WA_DeleteOnClose: bit = 4; break; |
| case Qt::WA_NoSystemBackground: bit = 5; break; |
| case Qt::WA_OpaquePaintEvent: bit = 6; break; |
| case Qt::WA_SetPalette: bit = 7; break; |
| case Qt::WA_SetFont: bit = 8; break; |
| case Qt::WA_WindowPropagation: bit = 9; break; |
| default: break; |
| } |
| return bit; |
| } |
| inline void setAttribute(Qt::WidgetAttribute att, bool value) |
| { |
| int bit = attributeToBitIndex(att); |
| if (bit == -1) { |
| qWarning("QGraphicsWidget::setAttribute: unsupported attribute %d", int(att)); |
| return; |
| } |
| if (value) |
| attributes |= (1 << bit); |
| else |
| attributes &= ~(1 << bit); |
| } |
| inline bool testAttribute(Qt::WidgetAttribute att) const |
| { |
| int bit = attributeToBitIndex(att); |
| if (bit == -1) |
| return false; |
| return (attributes & (1 << bit)) != 0; |
| } |
| quint32 attributes : 10; |
| quint32 inSetGeometry : 1; |
| quint32 polished: 1; |
| quint32 inSetPos : 1; |
| quint32 autoFillBackground : 1; |
| |
| // Focus |
| Qt::FocusPolicy focusPolicy; |
| QGraphicsWidget *focusNext; |
| QGraphicsWidget *focusPrev; |
| |
| // Windows |
| Qt::WindowFlags windowFlags; |
| struct WindowData { |
| QString windowTitle; |
| QStyle::SubControl hoveredSubControl; |
| Qt::WindowFrameSection grabbedSection; |
| uint buttonMouseOver : 1; |
| uint buttonSunken : 1; |
| QRectF startGeometry; |
| QRect buttonRect; |
| WindowData() |
| : hoveredSubControl(QStyle::SC_None) |
| , grabbedSection(Qt::NoSection) |
| , buttonMouseOver(false) |
| , buttonSunken(false) |
| {} |
| } *windowData; |
| void ensureWindowData(); |
| |
| bool setWindowFrameMargins; |
| mutable qreal *windowFrameMargins; |
| void ensureWindowFrameMargins() const; |
| |
| #ifndef QT_NO_ACTION |
| QList<QAction *> actions; |
| #endif |
| }; |
| |
| #endif |
| |
| QT_END_NAMESPACE |
| |
| #endif //QGRAPHICSWIDGET_P_H |
| |