X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ffrontends%2FWorkArea.h;h=d6912fc7fad982d59ba7ec90675ff970eee0a4e8;hb=befe2da495bf24d651c81bb35fbcda5976f09077;hp=e5fb30c530f35a98b397b7270ff2af1c6c3e7c19;hpb=8f261b15297c0b1ee4eeee4620a5794b808c1eab;p=lyx.git diff --git a/src/frontends/WorkArea.h b/src/frontends/WorkArea.h index e5fb30c530..d6912fc7fa 100644 --- a/src/frontends/WorkArea.h +++ b/src/frontends/WorkArea.h @@ -14,135 +14,32 @@ #ifndef BASE_WORKAREA_H #define BASE_WORKAREA_H -#include "frontends/key_state.h" -#include "frontends/LyXKeySym.h" -#include "frontends/Timeout.h" - -#include "support/docstring.h" - -#include - -// FIXME: defined in X.h, spuriously pulled in by Qt 3 headers -#undef CursorShape +#include "frontends/KeyModifier.h" namespace lyx { -class BufferView; -class FuncRequest; -class LyXView; - namespace frontend { -class Painter; - -/// 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 -}; - /** - * The work area class represents the widget that provides the - * view onto a document. It is owned by the BufferView, and - * is responsible for handing events back to its owning BufferView. - * It works in concert with the BaseScreen class to update the - * widget view of a document. + * The work area class represents the widget that provides the view + * onto a document. It owns the BufferView, and is responsible for + * handing events back to its BufferView. */ -class WorkArea : public boost::signals::trackable { +class WorkArea +{ public: - WorkArea(LyXView & lyx_view); - - virtual ~WorkArea() {} - - void setBufferView(BufferView * buffer_view); - /// - BufferView & bufferView(); - /// - BufferView const & bufferView() const; - - - /// return the painter object for this work area - virtual Painter & getPainter() = 0; - - /// return the width of the work area in pixels - virtual int width() const = 0; - - /// return the height of the work area in pixels - virtual int height() const = 0; - - /** - * Update the scrollbar. - * @param height the total document height in pixels - * @param pos the current position in the document, in pixels - * @param line_height the line-scroll amount, in pixels - */ - virtual void setScrollbarParams(int height, int pos, int line_height) = 0; - - /// redraw the screen, without using existing pixmap - virtual void redraw(); - - /// grey out (no buffer) - void greyOut(); - -protected: - /// - void processKeySym(LyXKeySymPtr key, key_modifier::state state); - /// cause the display of the given area of the work area - virtual void expose(int x, int y, int w, int h) = 0; - - /// - void dispatch(FuncRequest const & cmd0); - - /// - void resizeBufferView(); - - /// - void scrollBufferView(int position); - - /// hide the visible cursor, if it is visible - void hideCursor(); - - /// show the cursor if it is not visible - void showCursor(); - - /// toggle the cursor's visibility - void toggleCursor(); - - /// hide the cursor - virtual void removeCursor() = 0; - - /// paint the cursor and store the background - virtual void showCursor(int x, int y, int h, CursorShape shape) = 0; - - /// - BufferView * buffer_view_; - - /// - LyXView & lyx_view_; - -private: - /// - void updateScrollbar(); - /// - void checkAndGreyOut(); - /// - void displayMessage(docstring const &); - /// buffer messages signal connection - boost::signals::connection message_connection_; + virtual ~WorkArea() {} - /// - bool greyed_out_; + /// Update metrics if needed and schedule a paint event + virtual void scheduleRedraw(bool update_metrics) = 0; - /// is the cursor currently displayed - bool cursor_visible_; + /// close this work area. + /// Slot for Buffer::closing signal. + virtual void close() = 0; - /// - Timeout cursor_timeout_; + /// Update window titles of all users. + virtual void updateWindowTitle() = 0; }; } // namespace frontend