#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 <QPixmap>
#include <QResizeEvent>
-#include <QKeyEvent>
+#include <QTabWidget>
#include <QTimer>
-#include <QPixmap>
-#include <queue>
-
-class QWidget;
+class QContextMenuEvent;
class QDragEnterEvent;
class QDropEvent;
+class QKeyEvent;
class QWheelEvent;
class QPaintEvent;
+class QWidget;
+
+#ifdef CursorShape
+#undef CursorShape
+#endif
namespace lyx {
-class Painter;
+class Buffer;
namespace frontend {
class GuiView;
+/// types of cursor in work area
+enum CursorShape {
+ /// normal I-beam
+ BAR_SHAPE,
+ /// L-shape for locked insets of a different language
+ L_SHAPE,
+ /// reverse L-shape for RTL text
+ REVERSED_L_SHAPE
+};
+
/// for emulating triple click
-class double_click {
+class DoubleClick {
public:
- int x;
- int y;
+ ///
+ DoubleClick() : state(Qt::NoButton), active(false) {}
+ ///
+ DoubleClick(QMouseEvent * e) : state(e->button()), active(true) {}
+ ///
+ bool operator==(QMouseEvent const & e) { return state == e.button(); }
+ ///
+public:
+ ///
Qt::MouseButton state;
+ ///
bool active;
-
- bool operator==(QMouseEvent const & e) {
- return x == e.x() && y == e.y()
- && state == e.button();
- }
-
- double_click()
- : x(0), y(0), state(Qt::NoButton), active(false) {}
-
- double_click(QMouseEvent * e)
- : x(e->x()), y(e->y()),
- state(e->button()), active(true) {}
};
/** Qt only emits mouse events when the mouse is being moved, but
double scrollbar_value_old;
};
+
/**
- * Qt-specific implementation of the work area
- * (buffer view GUI)
+ * 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(int width, int height, LyXView & lyx_view);
-
- /// return the width of the content pane
- virtual int width() const { return viewport()->width(); }
- /// return the height of the content pane
- virtual int height() const { return viewport()->height(); }
+ GuiWorkArea(Buffer & buffer, GuiView & lv);
///
- virtual void setScrollbarParams(int height, int pos, int line_height);
+ ~GuiWorkArea();
///
- virtual void dragEnterEvent(QDragEnterEvent * event);
-
+ void setFullScreen(bool full_screen);
+ ///
+ void scheduleRedraw() { schedule_redraw_ = true; }
+ ///
+ BufferView & bufferView();
+ ///
+ BufferView const & bufferView() const;
+ ///
+ void redraw();
///
- virtual void dropEvent(QDropEvent* event);
+ void stopBlinkingCursor();
+ ///
+ void startBlinkingCursor();
+ /// Process Key pressed event.
+ /// This needs to be public because it is accessed externally by GuiView.
+ void processKeySym(KeySymbol const & key, KeyModifier mod);
+ ///
+ void resizeBufferView();
- /// return the widget's painter
- virtual Painter & getPainter() { return (Painter &) painter_; }
+Q_SIGNALS:
+ ///
+ void titleChanged(GuiWorkArea *);
- /// return the backing pixmap
- QPaintDevice * paintDevice() { return &paint_device_; }
+private Q_SLOTS:
+ /// Scroll the BufferView.
+ /**
+ * This is a slot for the valueChanged() signal of the vertical scrollbar.
+ * \p value value of the scrollbar.
+ */
+ void scrollTo(int value);
+ /// timer to limit triple clicks
+ void doubleClickTimeout();
+ /// toggle the cursor's visibility
+ void toggleCursor();
+ /// close this work area.
+ /// Slot for Buffer::closing signal.
+ void close();
+private:
/// 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.
- void drawScreen(int x, int y, const QPixmap & pixmap);
-
- /// copies specified area of pixmap to screen
- virtual void expose(int x, int y, int exp_width, int exp_height);
+ ///
+ void updateScreen();
/// paint the cursor and store the background
virtual void showCursor(int x, int y, int h, CursorShape shape);
/// hide the cursor
virtual void removeCursor();
-protected:
+ /// This function is called when the buffer readonly status change.
+ void setReadOnly(bool);
+ /// Update window titles of all users.
+ void updateWindowTitle();
+ ///
+ bool event(QEvent *);
+ ///
+ void contextMenuEvent(QContextMenuEvent *);
+ ///
+ 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);
+ void keyPressEvent(QKeyEvent * ev);
/// IM events
- void inputMethodEvent(QInputMethodEvent * e);
-
-public Q_SLOTS:
-
- /// Timeout event Slot for keyboard bufferring.
- /// \todo This is not used currently in the code, remove?
- void keyeventTimeout();
-
- /// Adjust the LyX buffer view with the position of the scrollbar.
- /**
- * The action argument is not used in the the code, it is there
- * only for the connection to the vertical srollbar signal which
- * emits an 'int' action.
- */
- void adjustViewWithScrollBar(int action = 0);
-
-private:
-
- /// Our painter.
- QLPainter painter_;
+ void inputMethodEvent(QInputMethodEvent * ev);
+ /// IM query
+ QVariant inputMethodQuery(Qt::InputMethodQuery query) const;
/// The slot connected to SyntheticMouseEvent::timeout.
void generateSyntheticMouseEvent();
-
///
- SyntheticMouseEvent synthetic_mouse_event_;
-
- /// Our client side painting device.
- QPixmap paint_device_;
-
- /// \todo remove
- QTimer step_timer_;
+ void dispatch(FuncRequest const & cmd0, KeyModifier = NoModifier);
+ /// hide the visible cursor, if it is visible
+ void hideCursor();
+ /// show the cursor if it is not visible
+ void showCursor();
+ ///
+ void updateScrollbar();
- /// \todo remove
- std::queue<boost::shared_ptr<QKeyEvent> > keyeventQueue_;
+ ///
+ BufferView * buffer_view_;
+ ///
+ GuiView * lyx_view_;
+ /// is the cursor currently displayed
+ bool cursor_visible_;
- double_click dc_event_;
+ ///
+ QTimer cursor_timeout_;
+ ///
+ SyntheticMouseEvent synthetic_mouse_event_;
+ ///
+ DoubleClick dc_event_;
///
- int cursor_x_;
+ CursorWidget * cursor_;
///
- int cursor_y_;
+ QPixmap screen_;
///
- int cursor_w_;
+ bool need_resize_;
///
- int cursor_h_;
+ bool schedule_redraw_;
///
- QPixmap hcursor_;
+ int preedit_lines_;
+}; // GuiWorkArea
+
+
+/// A tabbed set of GuiWorkAreas.
+class TabWorkArea : public QTabWidget
+{
+ Q_OBJECT
+public:
+ TabWorkArea(QWidget * parent = 0);
+
///
- QPixmap vcursor_;
+ void setFullScreen(bool full_screen);
+ void showBar(bool show);
+ void closeAll();
+ bool setCurrentWorkArea(GuiWorkArea *);
+ GuiWorkArea * addWorkArea(Buffer & buffer, GuiView & view);
+ bool removeWorkArea(GuiWorkArea *);
+ GuiWorkArea * currentWorkArea();
+ GuiWorkArea * workArea(Buffer & buffer);
+
+Q_SIGNALS:
///
- bool show_hcursor_;
+ void currentWorkAreaChanged(GuiWorkArea *);
+
+public Q_SLOTS:
///
- bool show_vcursor_;
+ void on_currentTabChanged(int index);
///
- bool lshape_cursor_;
+ void closeCurrentBuffer();
///
- QColor cursor_color_;
+ void closeCurrentTab();
///
- CursorShape cursor_shape_;
-};
+ void updateTabText(GuiWorkArea *);
+}; // TabWorkArea
} // namespace frontend
} // namespace lyx