Prepare the code for context menu support.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22300 a592a061-630c-0410-9148-cb99ea01b6c8

src/BufferView.cpp

@@ -39,6 +39,7 @@
 #include "LyXFunc.h"
 #include "Layout.h"
 #include "LyXRC.h"
+#include "MenuBackend.h"
 #include "MetricsInfo.h"
 #include "Paragraph.h"
 #include "paragraph_funcs.h"
@@ -490,6 +491,13 @@ docstring BufferView::toolTip(int x, int y) const
 }
 
 
+Menu const & BufferView::contextMenu(int x, int y) const
+{
+	// FIXME: Do something more elaborate here.
+	return menubackend.getMenu(from_ascii("edit"));
+}
+
+
 void BufferView::scrollDocView(int value)
 {
 	int const offset = value - d->scrollbarParameters_.position;

src/BufferView.h

@@ -36,6 +36,7 @@ class FuncRequest;
 class FuncStatus;
 class Intl;
 class Inset;
+class Menu;
 class ParIterator;
 class ParagraphMetrics;
 class Point;
@@ -106,6 +107,8 @@ public:
 	ScrollbarParameters const & scrollbarParameters() const;
 	/// \return Tool tip for the given position.
 	docstring toolTip(int x, int y) const;
+	/// \return the context menu for the given position.
+	Menu const & contextMenu(int x, int y) const;
 
 	/// Save the current position as bookmark.
 	/// if idx == 0, save to temp_bookmark

src/frontends/qt4/GuiWorkArea.cpp

@@ -23,6 +23,7 @@
 #include "GuiApplication.h"
 #include "GuiKeySymbol.h"
 #include "GuiPainter.h"
+#include "GuiPopupMenu.h"
 #include "GuiView.h"
 #include "KeySymbol.h"
 #include "Language.h"
@@ -44,15 +45,17 @@
 #include "frontends/FontMetrics.h"
 #include "frontends/WorkAreaManager.h"
 
+#include <QContextMenuEvent>
 #include <QInputContext>
+#include <QHelpEvent>
 #include <QLayout>
 #include <QMainWindow>
 #include <QPainter>
-#include <QToolButton>
 #include <QPalette>
 #include <QScrollBar>
 #include <QTabBar>
 #include <QTimer>
+#include <QToolButton>
 
 #include <boost/bind.hpp>
 
@@ -512,6 +515,19 @@ bool GuiWorkArea::event(QEvent * e)
 }
 
 
+void GuiWorkArea::contextMenuEvent(QContextMenuEvent * e)
+{
+	QPoint pos = e->pos();
+	Menu const & menu = buffer_view_->contextMenu(pos.x(), pos.y());
+	LYXERR(Debug::GUI, "context menu resquested: " << menu.name());
+
+	// FIXME: do something with GuiPopupMenu and MenuBackend.
+	// Some cleanups of GuiPopupMenu and GuiMenubar are needed
+	// before!
+	QAbstractScrollArea::contextMenuEvent(e);
+}
+
+
 void GuiWorkArea::focusInEvent(QFocusEvent * /*event*/)
 {
 	// Repaint the whole screen.

src/frontends/qt4/GuiWorkArea.h

@@ -25,12 +25,13 @@
 #include <QTabWidget>
 #include <QTimer>
 
-class QWidget;
+class QContextMenuEvent;
 class QDragEnterEvent;
 class QDropEvent;
 class QKeyEvent;
 class QWheelEvent;
 class QPaintEvent;
+class QWidget;
 
 #ifdef CursorShape
 #undef CursorShape
@@ -167,6 +168,8 @@ private:
 	///
 	bool event(QEvent *);
 	///
+	void contextMenuEvent(QContextMenuEvent *);
+	///
 	void focusInEvent(QFocusEvent *);
 	///
 	void focusOutEvent(QFocusEvent *);