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https://git.lyx.org/repos/lyx.git
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47aecd3178
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9002 a592a061-630c-0410-9148-cb99ea01b6c8
121 lines
2.8 KiB
C++
121 lines
2.8 KiB
C++
// -*- C++ -*-
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/**
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* \file GWorkArea.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Huang Ying
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef GWORKAREA_H
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#define GWORKAREA_H
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#include "GPainter.h"
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#include <gdk/gdkx.h>
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#include <gtk/gtk.h>
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#include "frontends/WorkArea.h"
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#include <X11/Xft/Xft.h>
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class LColor_color;
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class LyXView;
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namespace lyx {
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namespace frontend {
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class ColorCache
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{
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typedef std::map<LColor_color, Gdk::Color *> Map;
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typedef Map::iterator MapIt;
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typedef std::map<LColor_color, XftColor *> Map2;
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typedef Map2::iterator MapIt2;
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public:
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~ColorCache();
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Gdk::Color * getColor(LColor_color);
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XftColor * getXftColor(LColor_color);
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void cacheColor(LColor_color, Gdk::Color *);
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void cacheXftColor(LColor_color, XftColor *);
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void clear();
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private:
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Map cache_;
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Map2 cache2_;
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};
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extern ColorCache colorCache;
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class ColorHandler
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{
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public:
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ColorHandler(GWorkArea& owner) : owner_(owner) {}
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XftColor * getXftColor(LColor_color clr);
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Gdk::Color * getGdkColor(LColor_color clr);
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private:
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GWorkArea & owner_;
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};
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class GWorkArea : public WorkArea, public SigC::Object
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{
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public:
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GWorkArea(LyXView & owner, int width, int height);
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~GWorkArea();
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virtual Painter & getPainter();
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///
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virtual int workWidth() const;
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///
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virtual int workHeight() const;
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/// return x position of window
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int xpos() const;
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/// return y position of window
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int ypos() const;
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///
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Glib::RefPtr<Gdk::Window> getWindow();
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Display * getDisplay() const;
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Glib::RefPtr<Gdk::Pixmap> getPixmap();
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Glib::RefPtr<Gdk::GC> getGC();
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Glib::RefPtr<Gdk::Colormap> getColormap();
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XftDraw * getXftDraw();
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ColorHandler & getColorHandler();
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virtual void setScrollbarParams(int height, int pos, int line_height);
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/// a selection exists
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virtual void haveSelection(bool) const;
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///
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virtual std::string const getClipboard() const;
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///
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virtual void putClipboard(std::string const &) const;
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void inputCommit(gchar * str);
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private:
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bool onExpose(GdkEventExpose * event);
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bool onConfigure(GdkEventConfigure * event);
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void onScroll();
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bool onScrollWheel(GdkEventScroll * event);
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bool onButtonPress(GdkEventButton * event);
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bool onButtonRelease(GdkEventButton * event);
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bool onMotionNotify(GdkEventMotion * event);
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bool onKeyPress(GdkEventKey * event);
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void onClipboardGet(Gtk::SelectionData& selection_data, guint info);
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void onClipboardClear();
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Gtk::HBox hbox_;
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Gtk::DrawingArea workArea_;
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Gtk::VScrollbar vscrollbar_;
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/// The pixmap overlay on the workarea
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Glib::RefPtr<Gdk::Pixmap> workAreaPixmap_;
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Glib::RefPtr<Gdk::GC> workAreaGC_;
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/// the xforms-specific painter
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GPainter painter_;
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XftDraw * draw_;
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ColorHandler colorHandler_;
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GtkIMContext * imContext_;
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std::string inputCache_;
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};
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} // namespace frontend
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} // namespace lyx
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#endif
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