* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author unknown
* \author John Levon
* \author Abdelrazak Younes
*
#ifndef WORKAREA_H
#define WORKAREA_H
-#ifdef emit
-#undef emit
-#endif
-
#include "frontends/WorkArea.h"
-#include "QLPainter.h"
-
-#include "funcrequest.h"
-#include "frontends/Timeout.h"
+#include "FuncRequest.h"
+#include "support/Timeout.h"
#include <QAbstractScrollArea>
#include <QMouseEvent>
-#include <QWheelEvent>
#include <QResizeEvent>
#include <QKeyEvent>
-#include <QPaintEvent>
#include <QTimer>
-#include <QImage>
#include <QPixmap>
#include <queue>
-class Painter;
-
class QWidget;
class QDragEnterEvent;
class QDropEvent;
-class QMouseEvent;
+class QWheelEvent;
+class QPaintEvent;
namespace lyx {
namespace frontend {
-class GuiView;
-
/// for emulating triple click
class double_click {
public:
- int x;
- int y;
- Qt::ButtonState state;
+ Qt::MouseButton state;
bool active;
bool operator==(QMouseEvent const & e) {
- return x == e.x() && y == e.y()
- && state == e.button();
+ return state == e.button();
}
double_click()
- : x(0), y(0), state(Qt::NoButton), active(false) {}
+ : state(Qt::NoButton), active(false) {}
double_click(QMouseEvent * e)
- : x(e->x()), y(e->y()),
- state(e->button()), active(true) {}
+ : state(e->button()), active(true) {}
};
/** Qt only emits mouse events when the mouse is being moved, but
* Qt-specific implementation of the work area
* (buffer view GUI)
*/
-class GuiWorkArea: public QAbstractScrollArea, public WorkArea {
-
+ class CursorWidget;
+class GuiWorkArea : public QAbstractScrollArea, public WorkArea
+{
Q_OBJECT
public:
+ ///
+ GuiWorkArea(Buffer & buffer, LyXView & lv);
- GuiWorkArea(int width, int height, QWidget * parent, BufferView * buffer_view = 0);
+ ///
+ bool hasFocus() const { return QAbstractScrollArea::hasFocus(); }
+ bool isVisible() const { return QAbstractScrollArea::isVisible(); }
- virtual ~GuiWorkArea();
/// return the width of the content pane
- virtual int width() const { return workWidth_; }
-
+ virtual int width() const { return viewport()->width(); }
/// return the height of the content pane
- virtual int height() const { return workHeight_; }
+ virtual int height() const { return viewport()->height(); }
///
virtual void setScrollbarParams(int height, int pos, int line_height);
-
///
- virtual void dragEnterEvent(QDragEnterEvent * event);
-
- ///
- virtual void dropEvent(QDropEvent* event);
-
- /// return the widget's painter
- virtual Painter & getPainter() { return (Painter &) painter_; }
-
- /// return the backing pixmap
- QPaintDevice * paintDevice() { return &paint_device_; }
+ virtual void scheduleRedraw() { schedule_redraw_ = true; }
/// update the passed area.
void update(int x, int y, int w, int h);
- /// return a screen copy of the defined area.
- QPixmap copyScreen(int x, int y, int w, int h) const;
-
- /// Draw a pixmap onto the backing pixmap.
- /**
- QPixmap is implicitely shared so no need to pass by reference.
- */
- void drawScreen(int x, int y, QPixmap pixmap);
-
/// copies specified area of pixmap to screen
virtual void expose(int x, int y, int exp_width, int exp_height);
/// hide the cursor
virtual void removeCursor();
-protected:
-
+private:
+ ///
+ void focusInEvent(QFocusEvent *);
+ ///
+ void focusOutEvent(QFocusEvent *);
/// repaint part of the widget
- void paintEvent(QPaintEvent * e);
+ void paintEvent(QPaintEvent * ev);
/// widget has been resized
- void resizeEvent(QResizeEvent * e);
+ void resizeEvent(QResizeEvent * ev);
/// mouse button press
- void mousePressEvent(QMouseEvent * e);
+ void mousePressEvent(QMouseEvent * ev);
/// mouse button release
- void mouseReleaseEvent(QMouseEvent * e);
+ void mouseReleaseEvent(QMouseEvent * ev);
/// mouse double click of button
- void mouseDoubleClickEvent(QMouseEvent * e);
+ void mouseDoubleClickEvent(QMouseEvent * ev);
/// mouse motion
- void mouseMoveEvent(QMouseEvent * e);
+ void mouseMoveEvent(QMouseEvent * ev);
/// wheel event
- void wheelEvent(QWheelEvent * e);
+ void wheelEvent(QWheelEvent * ev);
/// key press
- void keyPressEvent(QKeyEvent * e);
-
-protected:
+ void keyPressEvent(QKeyEvent * ev);
/// IM events
- void inputMethodEvent(QInputMethodEvent * e);
-
-public slots:
-
- /// Timeout event Slot for keyboard bufferring.
- /// \todo This is not used currently in the code, remove?
- void keyeventTimeout();
+ void inputMethodEvent(QInputMethodEvent * ev);
+ /// IM query
+ QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
+public Q_SLOTS:
/// Adjust the LyX buffer view with the position of the scrollbar.
/**
* The action argument is not used in the the code, it is there
* emits an 'int' action.
*/
void adjustViewWithScrollBar(int action = 0);
+ /// timer to limit triple clicks
+ void doubleClickTimeout();
private:
- /// Buffer view width.
- int workWidth_;
-
- /// Buffer view height.
- int workHeight_;
-
- /// Our painter.
- QLPainter painter_;
-
/// The slot connected to SyntheticMouseEvent::timeout.
void generateSyntheticMouseEvent();
///
SyntheticMouseEvent synthetic_mouse_event_;
-
- /// Our client side painting device.
- //QImage paint_device_;
- QPixmap paint_device_;
-
- /// Our server side painting device.
- //QPixmap screen_device_;
-
- /// \todo remove
- QTimer step_timer_;
-
- /// \todo remove
- std::queue<boost::shared_ptr<QKeyEvent> > keyeventQueue_;
-
+ ///
double_click dc_event_;
///
- int cursor_x_;
- ///
- int cursor_y_;
- ///
- int cursor_w_;
- ///
- int cursor_h_;
- ///
- QPixmap hcursor_;
- ///
- QPixmap vcursor_;
+ CursorWidget * cursor_;
///
- bool show_hcursor_;
+ void updateScreen();
///
- bool show_vcursor_;
+ QPixmap screen_;
///
- bool lshape_cursor_;
+ bool need_resize_;
///
- QColor cursor_color_;
+ bool schedule_redraw_;
///
- CursorShape cursor_shape_;
+ int preedit_lines_;
};
} // namespace frontend
projects / lyx.git / blobdiff