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https://git.lyx.org/repos/lyx.git
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5f21ba1f56
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9542 a592a061-630c-0410-9148-cb99ea01b6c8
157 lines
3.1 KiB
C
157 lines
3.1 KiB
C
/**
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* \file GScreen.C
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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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#include <config.h>
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// Too hard to make concept checks work with this file
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#ifdef _GLIBCXX_CONCEPT_CHECKS
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#undef _GLIBCXX_CONCEPT_CHECKS
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#endif
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#ifdef _GLIBCPP_CONCEPT_CHECKS
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#undef _GLIBCPP_CONCEPT_CHECKS
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#endif
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#include "GScreen.h"
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#include "GWorkArea.h"
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#include "buffer.h"
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#include "BufferView.h"
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#include "debug.h"
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#include "language.h"
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#include "LColor.h"
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#include "lyxtext.h"
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#include "lyxrow.h"
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#include "frontends/screen.h"
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#include "frontends/font_metrics.h"
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#include "frontends/Painter.h"
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#include "frontends/WorkArea.h"
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#include "insets/insettext.h"
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#include <algorithm>
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namespace lyx {
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namespace frontend {
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GScreen::GScreen(GWorkArea & o)
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: LyXScreen(), owner_(o)
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{
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// the cursor isnt yet visible
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cursorX_ = 0;
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cursorY_ = 0;
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cursorW_ = 0;
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cursorH_ = 0;
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}
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GScreen::~GScreen()
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{
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}
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WorkArea & GScreen::workarea() const
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{
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return owner_;
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}
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void GScreen::setCursorColor(Glib::RefPtr<Gdk::GC> gc)
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{
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Gdk::Color * clr = owner_.getColorHandler().
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getGdkColor(LColor::cursor);
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gc->set_foreground(*clr);
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}
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void GScreen::showCursor(int x, int y, int h, Cursor_Shape shape)
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{
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// Update the cursor color.
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setCursorColor(owner_.getGC());
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cursorX_ = x;
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cursorY_ = y;
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cursorH_ = h;
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switch (shape) {
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case BAR_SHAPE:
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cursorW_ = 1;
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break;
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case L_SHAPE:
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cursorW_ = cursorH_ / 3;
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break;
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case REVERSED_L_SHAPE:
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cursorW_ = cursorH_ / 3;
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cursorX_ = x - cursorW_ + 1;
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break;
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}
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int fx, fy, fwidth, fheight, fdepth;
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owner_.getWindow()->get_geometry(fx, fy, fwidth, fheight, fdepth);
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cursorPixmap_ = Gdk::Pixmap::create(owner_.getWindow(),
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cursorW_,
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cursorH_,
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fdepth);
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cursorPixmap_->draw_drawable(owner_.getGC(),
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owner_.getWindow(),
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owner_.xpos() + cursorX_,
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owner_.ypos() + cursorY_,
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0, 0,
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cursorW_,
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cursorH_);
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owner_.getWindow()->draw_line(owner_.getGC(),
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x + owner_.xpos(),
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y + owner_.ypos(),
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x + owner_.xpos(),
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y + h - 1 + owner_.ypos());
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switch (shape) {
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case BAR_SHAPE:
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break;
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case L_SHAPE:
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case REVERSED_L_SHAPE:
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owner_.getWindow()->draw_line(owner_.getGC(),
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owner_.xpos() + cursorX_,
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owner_.ypos() + y + h - 1,
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owner_.xpos() + cursorX_ + cursorW_ - 1,
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owner_.xpos() + y + h - 1);
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break;
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}
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}
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void GScreen::removeCursor()
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{
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if (cursorPixmap_) {
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owner_.getWindow()->draw_drawable(owner_.getGC(),
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cursorPixmap_,
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0, 0,
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cursorX_ + owner_.xpos(),
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cursorY_ + owner_.ypos(),
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cursorW_, cursorH_);
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}
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}
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void GScreen::expose(int x, int y, int w, int h)
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{
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lyxerr[Debug::GUI] << "expose " << w << 'x' << h
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<< '+' << x << '+' << y << std::endl;
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owner_.getWindow()->draw_drawable(owner_.getGC(),
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owner_.getPixmap(),
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x, y,
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x + owner_.xpos(),
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y + owner_.ypos(),
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w, h);
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}
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} // namespace frontend
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} // namespace lyx
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