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39
40 #ifndef QDYNAMICDOCKWIDGET_P_H
41 #define QDYNAMICDOCKWIDGET_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 purely as an
48 // implementation detail. 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 "QtWidgets/qstyleoption.h"
56 #include "private/qwidget_p.h"
57 #include "QtWidgets/qboxlayout.h"
58 #include "QtWidgets/qdockwidget.h"
59
60 #if QT_CONFIG(tabwidget)
61 # include "QtWidgets/qtabwidget.h"
62 #endif
63
64 QT_REQUIRE_CONFIG(dockwidget);
65
66 QT_BEGIN_NAMESPACE
67
68 class QGridLayout;
69 class QWidgetResizeHandler;
70 class QDockWidgetTitleButton;
71 class QSpacerItem;
72 class QDockWidgetItem;
73
74 class QDockWidgetPrivate : public QWidgetPrivate
75 {
76 Q_DECLARE_PUBLIC(QDockWidget)
77
78 struct DragState {
79 QPoint pressPos;
80 bool dragging;
81 QLayoutItem *widgetItem;
82 bool ownWidgetItem;
83 bool nca;
84 bool ctrlDrag;
85 };
86
87 public:
88 void init();
89 void _q_toggleView(bool); // private slot
90 void _q_toggleTopLevel(); // private slot
91
92 void updateButtons();
93
94 #if QT_CONFIG(tabwidget)
95 QTabWidget::TabPosition tabPosition = QTabWidget::North;
96 #endif
97
98 DragState *state = nullptr;
99
100 QDockWidget::DockWidgetFeatures features = QDockWidget::DockWidgetClosable
101 | QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetFloatable;
102 Qt::DockWidgetAreas allowedAreas = Qt::AllDockWidgetAreas;
103
104 QFont font;
105
106 #ifndef QT_NO_ACTION
107 QAction *toggleViewAction = nullptr;
108 #endif
109
110 // QMainWindow *findMainWindow(QWidget *widget) const;
111 QRect undockedGeometry;
112 QString fixedWindowTitle;
113 QString dockedWindowTitle;
114
115 bool mousePressEvent(QMouseEvent *event);
116 bool mouseDoubleClickEvent(QMouseEvent *event);
117 bool mouseMoveEvent(QMouseEvent *event);
118 bool mouseReleaseEvent(QMouseEvent *event);
119 void setWindowState(bool floating, bool unplug = false, const QRect &rect = QRect());
120 void nonClientAreaMouseEvent(QMouseEvent *event);
121 void initDrag(const QPoint &pos, bool nca);
122 void startDrag(bool group = true);
123 void endDrag(bool abort = false);
124 void moveEvent(QMoveEvent *event);
125 void recalculatePressPos(QResizeEvent *event);
126
127 void unplug(const QRect &rect);
128 void plug(const QRect &rect);
129 void setResizerActive(bool active);
130
131 bool isAnimating() const;
132
133 private:
134 QWidgetResizeHandler *resizer = nullptr;
135 };
136
137 class Q_WIDGETS_EXPORT QDockWidgetLayout : public QLayout
138 {
139 Q_OBJECT
140 public:
141 QDockWidgetLayout(QWidget *parent = nullptr);
142 ~QDockWidgetLayout();
143 void addItem(QLayoutItem *item) override;
144 QLayoutItem *itemAt(int index) const override;
145 QLayoutItem *takeAt(int index) override;
146 int count() const override;
147
148 QSize maximumSize() const override;
149 QSize minimumSize() const override;
150 QSize sizeHint() const override;
151
152 QSize sizeFromContent(const QSize &content, bool floating) const;
153
154 void setGeometry(const QRect &r) override;
155
156 enum Role { Content, CloseButton, FloatButton, TitleBar, RoleCount };
157 QWidget *widgetForRole(Role r) const;
158 void setWidgetForRole(Role r, QWidget *w);
159 QLayoutItem *itemForRole(Role r) const;
160
titleArea()161 QRect titleArea() const { return _titleArea; }
162
163 int minimumTitleWidth() const;
164 int titleHeight() const;
165 void updateMaxSize();
166 static bool wmSupportsNativeWindowDeco();
167 bool nativeWindowDeco() const;
168 bool nativeWindowDeco(bool floating) const;
169
170 void setVerticalTitleBar(bool b);
171
172 bool verticalTitleBar;
173
174 private:
175 QVector<QLayoutItem*> item_list;
176 QRect _titleArea;
177 };
178
179 /* The size hints of a QDockWidget will depend on whether it is docked or not.
180 This layout item always returns the size hints as if the dock widget was docked. */
181
182 class QDockWidgetItem : public QWidgetItem
183 {
184 public:
185 QDockWidgetItem(QDockWidget *dockWidget);
186 QSize minimumSize() const override;
187 QSize maximumSize() const override;
188 QSize sizeHint() const override;
189
190 private:
191 inline QLayoutItem *dockWidgetChildItem() const;
192 inline QDockWidgetLayout *dockWidgetLayout() const;
193 };
194
dockWidgetChildItem()195 inline QLayoutItem *QDockWidgetItem::dockWidgetChildItem() const
196 {
197 if (QDockWidgetLayout *layout = dockWidgetLayout())
198 return layout->itemForRole(QDockWidgetLayout::Content);
199 return nullptr;
200 }
201
dockWidgetLayout()202 inline QDockWidgetLayout *QDockWidgetItem::dockWidgetLayout() const
203 {
204 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
205 QWidget *w = const_cast<QDockWidgetItem*>(this)->widget();
206 #else
207 QWidget *w = widget();
208 #endif
209 if (w != nullptr)
210 return qobject_cast<QDockWidgetLayout*>(w->layout());
211 return nullptr;
212 }
213
214 QT_END_NAMESPACE
215
216 #endif // QDYNAMICDOCKWIDGET_P_H
217