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39 | |
40 | #ifndef QGRAPHICSWIDGET_P_H |
41 | #define QGRAPHICSWIDGET_P_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists for the convenience |
48 | // of other Qt classes. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include <QtWidgets/private/qtwidgetsglobal_p.h> |
55 | #include <private/qobject_p.h> |
56 | #include "qgraphicsitem_p.h" |
57 | #include "qgraphicswidget.h" |
58 | #include <QtGui/qfont.h> |
59 | #include <QtGui/qpalette.h> |
60 | #include <QtWidgets/qsizepolicy.h> |
61 | #include <QtWidgets/qstyle.h> |
62 | |
63 | #include <memory> |
64 | |
65 | QT_REQUIRE_CONFIG(graphicsview); |
66 | |
67 | QT_BEGIN_NAMESPACE |
68 | |
69 | class QGraphicsLayout; |
70 | class QStyleOptionTitleBar; |
71 | |
72 | class QGraphicsWidgetPrivate : public QGraphicsItemPrivate |
73 | { |
74 | Q_DECLARE_PUBLIC(QGraphicsWidget) |
75 | public: |
76 | QGraphicsWidgetPrivate(); |
77 | virtual ~QGraphicsWidgetPrivate(); |
78 | |
79 | void init(QGraphicsItem *parentItem, Qt::WindowFlags wFlags); |
80 | qreal titleBarHeight(const QStyleOptionTitleBar &options) const; |
81 | |
82 | // Margins |
83 | mutable std::unique_ptr<QMarginsF> margins; |
84 | void ensureMargins() const; |
85 | |
86 | void fixFocusChainBeforeReparenting(QGraphicsWidget *newParent, QGraphicsScene *oldScene, QGraphicsScene *newScene = nullptr); |
87 | void setLayout_helper(QGraphicsLayout *l); |
88 | |
89 | // Layouts |
90 | QGraphicsLayout *layout; |
91 | void setLayoutDirection_helper(Qt::LayoutDirection direction); |
92 | void resolveLayoutDirection(); |
93 | |
94 | // Style |
95 | QPalette palette; |
96 | uint inheritedPaletteResolveMask; |
97 | void setPalette_helper(const QPalette &palette); |
98 | void resolvePalette(uint inheritedMask) override; |
99 | void updatePalette(const QPalette &palette); |
100 | QPalette naturalWidgetPalette() const; |
101 | QFont font; |
102 | uint inheritedFontResolveMask; |
103 | void setFont_helper(const QFont &font); |
104 | void resolveFont(uint inheritedMask) override; |
105 | void updateFont(const QFont &font); |
106 | QFont naturalWidgetFont() const; |
107 | |
108 | // Window specific |
109 | void initStyleOptionTitleBar(QStyleOptionTitleBar *option); |
110 | void adjustWindowFlags(Qt::WindowFlags *wFlags); |
111 | void windowFrameMouseReleaseEvent(QGraphicsSceneMouseEvent *event); |
112 | void windowFrameMousePressEvent(QGraphicsSceneMouseEvent *event); |
113 | void windowFrameMouseMoveEvent(QGraphicsSceneMouseEvent *event); |
114 | void windowFrameHoverMoveEvent(QGraphicsSceneHoverEvent *event); |
115 | void windowFrameHoverLeaveEvent(QGraphicsSceneHoverEvent *event); |
116 | bool hasDecoration() const; |
117 | |
118 | // Private Properties |
119 | qreal width() const override; |
120 | void setWidth(qreal) override; |
121 | void resetWidth() override; |
122 | |
123 | qreal height() const override; |
124 | void setHeight(qreal) override; |
125 | void resetHeight() override; |
126 | void setGeometryFromSetPos(); |
127 | |
128 | // State |
129 | inline int attributeToBitIndex(Qt::WidgetAttribute att) const |
130 | { |
131 | int bit = -1; |
132 | switch (att) { |
133 | case Qt::WA_SetLayoutDirection: bit = 0; break; |
134 | case Qt::WA_RightToLeft: bit = 1; break; |
135 | case Qt::WA_SetStyle: bit = 2; break; |
136 | case Qt::WA_Resized: bit = 3; break; |
137 | case Qt::WA_DeleteOnClose: bit = 4; break; |
138 | case Qt::WA_NoSystemBackground: bit = 5; break; |
139 | case Qt::WA_OpaquePaintEvent: bit = 6; break; |
140 | case Qt::WA_SetPalette: bit = 7; break; |
141 | case Qt::WA_SetFont: bit = 8; break; |
142 | case Qt::WA_WindowPropagation: bit = 9; break; |
143 | default: break; |
144 | } |
145 | return bit; |
146 | } |
147 | inline void setAttribute(Qt::WidgetAttribute att, bool value) |
148 | { |
149 | int bit = attributeToBitIndex(att); |
150 | if (bit == -1) { |
151 | qWarning(msg: "QGraphicsWidget::setAttribute: unsupported attribute %d" , int(att)); |
152 | return; |
153 | } |
154 | if (value) |
155 | attributes |= (1 << bit); |
156 | else |
157 | attributes &= ~(1 << bit); |
158 | } |
159 | inline bool testAttribute(Qt::WidgetAttribute att) const |
160 | { |
161 | int bit = attributeToBitIndex(att); |
162 | if (bit == -1) |
163 | return false; |
164 | return (attributes & (1 << bit)) != 0; |
165 | } |
166 | quint32 attributes : 10; |
167 | quint32 inSetGeometry : 1; |
168 | quint32 polished: 1; |
169 | quint32 inSetPos : 1; |
170 | quint32 autoFillBackground : 1; |
171 | |
172 | // Focus |
173 | Qt::FocusPolicy focusPolicy; |
174 | QGraphicsWidget *focusNext; |
175 | QGraphicsWidget *focusPrev; |
176 | |
177 | // Windows |
178 | Qt::WindowFlags windowFlags; |
179 | struct WindowData { |
180 | QString windowTitle; |
181 | QStyle::SubControl hoveredSubControl; |
182 | Qt::WindowFrameSection grabbedSection; |
183 | uint buttonMouseOver : 1; |
184 | uint buttonSunken : 1; |
185 | QRectF startGeometry; |
186 | QRect buttonRect; |
187 | WindowData() |
188 | : hoveredSubControl(QStyle::SC_None) |
189 | , grabbedSection(Qt::NoSection) |
190 | , buttonMouseOver(false) |
191 | , buttonSunken(false) |
192 | {} |
193 | }; |
194 | std::unique_ptr<WindowData> windowData; |
195 | void ensureWindowData(); |
196 | |
197 | bool setWindowFrameMargins; |
198 | mutable std::unique_ptr<QMarginsF> windowFrameMargins; |
199 | void ensureWindowFrameMargins() const; |
200 | |
201 | #ifndef QT_NO_ACTION |
202 | QList<QAction *> actions; |
203 | #endif |
204 | }; |
205 | |
206 | QT_END_NAMESPACE |
207 | |
208 | #endif //QGRAPHICSWIDGET_P_H |
209 | |
210 | |