xref: /OK3568_Linux_fs/app/forlinx/flapp/src/plugins/allwinner/browser/tabwidget.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
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33 
34 #ifndef TABWIDGET_H
35 #define TABWIDGET_H
36 
37 #include <QtWidgets/QTabBar>
38 
39 #include <QtWidgets/QShortcut>
40 /*
41     Tab bar with a few more features such as a context menu and shortcuts
42  */
43 class TabBar : public QTabBar
44 {
45     Q_OBJECT
46 
47 signals:
48     void newTab();
49     void cloneTab(int index);
50     void closeTab(int index);
51     void closeOtherTabs(int index);
52     void reloadTab(int index);
53     void reloadAllTabs();
54     void tabMoveRequested(int fromIndex, int toIndex);
55 
56 public:
57     TabBar(QWidget *parent = 0);
58 
59 protected:
60     void mousePressEvent(QMouseEvent* event);
61     void mouseMoveEvent(QMouseEvent* event);
62 
63 private slots:
64     void selectTabAction();
65     void cloneTab();
66     void closeTab();
67     void closeOtherTabs();
68     void reloadTab();
69     void contextMenuRequested(const QPoint &position);
70 
71 private:
72     QList<QShortcut*> m_tabShortcuts;
73     friend class TabWidget;
74 
75     QPoint m_dragStartPos;
76     int m_dragCurrentIndex;
77 };
78 
79 #include <QWebPage>
80 
81 QT_BEGIN_NAMESPACE
82 class QAction;
83 QT_END_NAMESPACE
84 class WebView;
85 /*!
86     A proxy object that connects a single browser action
87     to one child webpage action at a time.
88 
89     Example usage: used to keep the main window stop action in sync with
90     the current tabs webview's stop action.
91  */
92 class WebActionMapper : public QObject
93 {
94     Q_OBJECT
95 
96 public:
97     WebActionMapper(QAction *root, QWebPage::WebAction webAction, QObject *parent);
98     QWebPage::WebAction webAction() const;
99     void addChild(QAction *action);
100     void updateCurrent(QWebPage *currentParent);
101 
102 private slots:
103     void rootTriggered();
104     void childChanged();
105     void rootDestroyed();
106     void currentDestroyed();
107 
108 private:
109     QWebPage *m_currentParent;
110     QAction *m_root;
111     QWebPage::WebAction m_webAction;
112 };
113 
114 #include <QtCore/QUrl>
115 #include <QtWidgets/QTabWidget>
116 QT_BEGIN_NAMESPACE
117 class QCompleter;
118 class QLineEdit;
119 class QMenu;
120 class QStackedWidget;
121 QT_END_NAMESPACE
122 /*!
123     TabWidget that contains WebViews and a stack widget of associated line edits.
124 
125     Connects up the current tab's signals to this class's signal and uses WebActionMapper
126     to proxy the actions.
127  */
128 class TabWidget : public QTabWidget
129 {
130     Q_OBJECT
131 
132 signals:
133     // tab widget signals
134     void loadPage(const QString &url);
135     void tabsChanged();
136     void lastTabClosed();
137 
138     // current tab signals
139     void setCurrentTitle(const QString &url);
140     void showStatusBarMessage(const QString &message);
141     void linkHovered(const QString &link);
142     void loadProgress(int progress);
143     void geometryChangeRequested(const QRect &geometry);
144     void menuBarVisibilityChangeRequested(bool visible);
145     void statusBarVisibilityChangeRequested(bool visible);
146     void toolBarVisibilityChangeRequested(bool visible);
147     void printRequested(QWebFrame *frame);
148 
149 public:
150     TabWidget(QWidget *parent = 0);
151     void clear();
152     void addWebAction(QAction *action, QWebPage::WebAction webAction);
153 
154     QAction *newTabAction() const;
155     QAction *closeTabAction() const;
156     QAction *recentlyClosedTabsAction() const;
157     QAction *nextTabAction() const;
158     QAction *previousTabAction() const;
159 
160     QWidget *lineEditStack() const;
161     QLineEdit *currentLineEdit() const;
162     WebView *currentWebView() const;
163     WebView *webView(int index) const;
164     QLineEdit *lineEdit(int index) const;
165     int webViewIndex(WebView *webView) const;
166 
167     QByteArray saveState() const;
168     bool restoreState(const QByteArray &state);
169 
170 protected:
171     void mouseDoubleClickEvent(QMouseEvent *event);
172     void contextMenuEvent(QContextMenuEvent *event);
173     void mouseReleaseEvent(QMouseEvent *event);
174 
175 public slots:
176     void loadUrlInCurrentTab(const QUrl &url);
177     WebView *newTab(bool makeCurrent = true);
178     void cloneTab(int index = -1);
179     void closeTab(int index = -1);
180     void closeOtherTabs(int index);
181     void reloadTab(int index = -1);
182     void reloadAllTabs();
183     void nextTab();
184     void previousTab();
185 
186 private slots:
187     void currentChanged(int index);
188     void aboutToShowRecentTabsMenu();
189     void aboutToShowRecentTriggeredAction(QAction *action);
190     void webViewLoadStarted();
191     void webViewIconChanged();
192     void webViewTitleChanged(const QString &title);
193     void webViewUrlChanged(const QUrl &url);
194     void lineEditReturnPressed();
195     void windowCloseRequested();
196     void moveTab(int fromIndex, int toIndex);
197 
198 private:
199     QAction *m_recentlyClosedTabsAction;
200     QAction *m_newTabAction;
201     QAction *m_closeTabAction;
202     QAction *m_nextTabAction;
203     QAction *m_previousTabAction;
204 
205     QMenu *m_recentlyClosedTabsMenu;
206     static const int m_recentlyClosedTabsSize = 10;
207     QList<QUrl> m_recentlyClosedTabs;
208     QList<WebActionMapper*> m_actions;
209 
210     QCompleter *m_lineEditCompleter;
211     QStackedWidget *m_lineEdits;
212     TabBar *m_tabBar;
213 };
214 
215 #endif // TABWIDGET_H
216 
217