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39 | |
40 | #ifndef QSTYLESHEETSTYLE_P_H |
41 | #define QSTYLESHEETSTYLE_P_H |
42 | |
43 | #include <QtWidgets/private/qtwidgetsglobal_p.h> |
44 | #include "private/qwindowsstyle_p.h" |
45 | |
46 | #ifndef QT_NO_STYLE_STYLESHEET |
47 | |
48 | #include "QtWidgets/qapplication.h" |
49 | #include "QtWidgets/qstyleoption.h" |
50 | #include "QtCore/qhash.h" |
51 | #include "QtCore/qlist.h" |
52 | #include "QtCore/qset.h" |
53 | #include "QtGui/qbrush.h" |
54 | #include "QtGui/qevent.h" |
55 | #include "private/qcssparser_p.h" |
56 | |
57 | QT_BEGIN_NAMESPACE |
58 | |
59 | // |
60 | // W A R N I N G |
61 | // ------------- |
62 | // |
63 | // This file is not part of the Qt API. It exists purely as an |
64 | // implementation detail. This header file may change from version to |
65 | // version without notice, or even be removed. |
66 | // |
67 | // We mean it. |
68 | // |
69 | |
70 | class QRenderRule; |
71 | class QAbstractScrollArea; |
72 | class QStyleSheetStylePrivate; |
73 | class QStyleOptionTitleBar; |
74 | |
75 | class Q_AUTOTEST_EXPORT QStyleSheetStyle : public QWindowsStyle |
76 | { |
77 | typedef QWindowsStyle ParentStyle; |
78 | |
79 | Q_OBJECT |
80 | public: |
81 | QStyleSheetStyle(QStyle *baseStyle); |
82 | ~QStyleSheetStyle(); |
83 | |
84 | void drawComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, QPainter *p, |
85 | const QWidget *w = nullptr) const override; |
86 | void drawControl(ControlElement element, const QStyleOption *opt, QPainter *p, |
87 | const QWidget *w = nullptr) const override; |
88 | void drawItemPixmap(QPainter *painter, const QRect &rect, int alignment, const QPixmap &pixmap) const override; |
89 | void drawItemText(QPainter *painter, const QRect& rect, int alignment, const QPalette &pal, |
90 | bool enabled, const QString& text, QPalette::ColorRole textRole = QPalette::NoRole) const override; |
91 | void drawPrimitive(PrimitiveElement pe, const QStyleOption *opt, QPainter *p, |
92 | const QWidget *w = nullptr) const override; |
93 | QPixmap generatedIconPixmap(QIcon::Mode iconMode, const QPixmap &pixmap, |
94 | const QStyleOption *option) const override; |
95 | SubControl hitTestComplexControl(ComplexControl cc, const QStyleOptionComplex *opt, |
96 | const QPoint &pt, const QWidget *w = nullptr) const override; |
97 | QRect itemPixmapRect(const QRect &rect, int alignment, const QPixmap &pixmap) const override; |
98 | QRect itemTextRect(const QFontMetrics &metrics, const QRect &rect, int alignment, bool enabled, |
99 | const QString &text) const override; |
100 | int pixelMetric(PixelMetric metric, const QStyleOption *option = nullptr, const QWidget *widget = nullptr) const override; |
101 | void polish(QWidget *widget) override; |
102 | void polish(QApplication *app) override; |
103 | void polish(QPalette &pal) override; |
104 | QSize sizeFromContents(ContentsType ct, const QStyleOption *opt, |
105 | const QSize &contentsSize, const QWidget *widget = nullptr) const override; |
106 | QPalette standardPalette() const override; |
107 | QIcon standardIcon(StandardPixmap standardIcon, const QStyleOption *opt = nullptr, |
108 | const QWidget *widget = nullptr) const override; |
109 | QPixmap standardPixmap(StandardPixmap standardPixmap, const QStyleOption *option = nullptr, |
110 | const QWidget *w = nullptr ) const override; |
111 | int layoutSpacing(QSizePolicy::ControlType control1, QSizePolicy::ControlType control2, |
112 | Qt::Orientation orientation, const QStyleOption *option = nullptr, |
113 | const QWidget *widget = nullptr) const override; |
114 | int styleHint(StyleHint sh, const QStyleOption *opt = nullptr, const QWidget *w = nullptr, |
115 | QStyleHintReturn *shret = nullptr) const override; |
116 | QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = nullptr) const override; |
117 | QRect subControlRect(ComplexControl cc, const QStyleOptionComplex *opt, SubControl sc, |
118 | const QWidget *w = nullptr) const override; |
119 | |
120 | // These functions are called from QApplication/QWidget. Be careful. |
121 | QStyle *baseStyle() const; |
122 | void repolish(QWidget *widget); |
123 | void repolish(QApplication *app); |
124 | |
125 | void unpolish(QWidget *widget) override; |
126 | void unpolish(QApplication *app) override; |
127 | |
128 | QStyle *base; |
129 | void ref() { ++refcount; } |
130 | void deref() { Q_ASSERT(refcount > 0); if (!--refcount) delete this; } |
131 | |
132 | void updateStyleSheetFont(QWidget* w) const; |
133 | void saveWidgetFont(QWidget* w, const QFont& font) const; |
134 | void clearWidgetFont(QWidget* w) const; |
135 | |
136 | bool styleSheetPalette(const QWidget* w, const QStyleOption* opt, QPalette* pal); |
137 | |
138 | protected: |
139 | bool event(QEvent *e) override; |
140 | |
141 | private: |
142 | int refcount; |
143 | |
144 | friend class QRenderRule; |
145 | int nativeFrameWidth(const QWidget *); |
146 | QRenderRule renderRule(const QObject *, int, quint64 = 0) const; |
147 | QRenderRule renderRule(const QObject *, const QStyleOption *, int = 0) const; |
148 | QSize defaultSize(const QWidget *, QSize, const QRect&, int) const; |
149 | QRect positionRect(const QWidget *, const QRenderRule&, const QRenderRule&, int, |
150 | const QRect&, Qt::LayoutDirection) const; |
151 | QRect positionRect(const QWidget *w, const QRenderRule &rule2, int pe, |
152 | const QRect &originRect, Qt::LayoutDirection dir) const; |
153 | |
154 | mutable QCss::Parser parser; |
155 | |
156 | void setPalette(QWidget *); |
157 | void unsetPalette(QWidget *); |
158 | void setProperties(QWidget *); |
159 | void setGeometry(QWidget *); |
160 | void unsetStyleSheetFont(QWidget *) const; |
161 | QList<QCss::StyleRule> styleRules(const QObject *obj) const; |
162 | bool hasStyleRule(const QObject *obj, int part) const; |
163 | |
164 | QHash<QStyle::SubControl, QRect> titleBarLayout(const QWidget *w, const QStyleOptionTitleBar *tb) const; |
165 | |
166 | QCss::StyleSheet getDefaultStyleSheet() const; |
167 | |
168 | static Qt::Alignment resolveAlignment(Qt::LayoutDirection, Qt::Alignment); |
169 | static bool isNaturalChild(const QObject *obj); |
170 | static QPixmap loadPixmap(const QString &fileName, const QObject *context); |
171 | bool initObject(const QObject *obj) const; |
172 | public: |
173 | static int numinstances; |
174 | |
175 | private: |
176 | Q_DISABLE_COPY_MOVE(QStyleSheetStyle) |
177 | Q_DECLARE_PRIVATE(QStyleSheetStyle) |
178 | }; |
179 | |
180 | class QStyleSheetStyleCaches : public QObject |
181 | { |
182 | Q_OBJECT |
183 | public Q_SLOTS: |
184 | void objectDestroyed(QObject *); |
185 | void styleDestroyed(QObject *); |
186 | public: |
187 | QHash<const QObject *, QList<QCss::StyleRule>> styleRulesCache; |
188 | QHash<const QObject *, QHash<int, bool> > hasStyleRuleCache; |
189 | typedef QHash<int, QHash<quint64, QRenderRule> > QRenderRules; |
190 | QHash<const QObject *, QRenderRules> renderRulesCache; |
191 | QHash<const void *, QCss::StyleSheet> styleSheetCache; // parsed style sheets |
192 | QSet<const QWidget *> autoFillDisabledWidgets; |
193 | // widgets with whose palettes and fonts we have tampered: |
194 | template <typename T> |
195 | struct Tampered { |
196 | T oldWidgetValue; |
197 | decltype(std::declval<T>().resolveMask()) resolveMask; |
198 | |
199 | // only call this function on an rvalue *this (it mangles oldWidgetValue) |
200 | T reverted(T current) |
201 | #ifdef Q_COMPILER_REF_QUALIFIERS |
202 | && |
203 | #endif |
204 | { |
205 | oldWidgetValue.setResolveMask(oldWidgetValue.resolveMask() & resolveMask); |
206 | current.setResolveMask(current.resolveMask() & ~resolveMask); |
207 | current.resolve(oldWidgetValue); |
208 | current.setResolveMask(current.resolveMask() | oldWidgetValue.resolveMask()); |
209 | return current; |
210 | } |
211 | }; |
212 | QHash<const QWidget *, Tampered<QPalette>> customPaletteWidgets; |
213 | QHash<const QWidget *, Tampered<QFont>> customFontWidgets; |
214 | }; |
215 | template <typename T> |
216 | class QTypeInfo<QStyleSheetStyleCaches::Tampered<T>> |
217 | : public QTypeInfoMerger<QStyleSheetStyleCaches::Tampered<T>, T> {}; |
218 | |
219 | |
220 | // Returns a QStyleSheet from the given style. |
221 | inline QStyleSheetStyle* qt_styleSheet(QStyle *style) |
222 | { |
223 | return qobject_cast<QStyleSheetStyle *>(style); |
224 | } |
225 | |
226 | QT_END_NAMESPACE |
227 | #endif // QT_NO_STYLE_STYLESHEET |
228 | #endif // QSTYLESHEETSTYLE_P_H |
229 | |