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661921bca3
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@7679 a592a061-630c-0410-9148-cb99ea01b6c8
137 lines
2.5 KiB
C
137 lines
2.5 KiB
C
/**
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* \file qscreen.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 John Levon
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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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#include "QWorkArea.h"
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#include "qscreen.h"
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#include "debug.h"
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#include <qapplication.h>
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using std::endl;
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using std::max;
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using std::min;
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namespace {
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/// copy some horizontal regions about inside a pixmap
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void copyInPixmap(QPixmap * p, int dest_y, int src_y, int src_w, int src_h)
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{
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// bitBlt(dest, dest_x, dest_y, source, src_x, src_y, src_w, src_h)
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bitBlt(p, 0, dest_y, p, 0, src_y, src_w, src_h);
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}
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} // namespace anon
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QScreen::QScreen(QWorkArea & o)
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: LyXScreen(), owner_(o)
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{
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}
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QScreen::~QScreen()
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{
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}
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WorkArea & QScreen::workarea() const
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{
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return owner_;
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}
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void QScreen::repaint()
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{
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QWidget * content = owner_.getContent();
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content->repaint(0, 0, content->width(), content->height());
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}
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void QScreen::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 << endl;
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owner_.getContent()->update(x, y, w, h);
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}
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void QScreen::showCursor(int x, int y, int h, Cursor_Shape shape)
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{
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cursor_x_ = x;
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cursor_y_ = y;
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cursor_h_ = h;
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switch (shape) {
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case BAR_SHAPE:
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cursor_w_ = 1;
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break;
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case L_SHAPE:
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cursor_w_ = cursor_h_ / 3;
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break;
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case REVERSED_L_SHAPE:
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cursor_w_ = cursor_h_ / 3;
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cursor_x_ = x - cursor_w_ + 1;
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break;
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}
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if (!nocursor_pixmap_.get()
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|| cursor_w_ != nocursor_pixmap_->width()
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|| cursor_h_ != nocursor_pixmap_->height()) {
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nocursor_pixmap_.reset(new QPixmap(cursor_w_, cursor_h_));
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}
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if (!qApp->focusWidget())
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return;
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// save old area
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bitBlt(nocursor_pixmap_.get(), 0, 0, owner_.getPixmap(),
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cursor_x_, cursor_y_, cursor_w_, cursor_h_);
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Painter & pain(owner_.getPainter());
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pain.start();
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pain.line(x, y, x, y + h - 1, LColor::cursor);
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switch (shape) {
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case BAR_SHAPE:
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break;
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case REVERSED_L_SHAPE:
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case L_SHAPE:
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pain.line(cursor_x_, y + h - 1, cursor_x_ + cursor_w_ - 1,
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y + h - 1, LColor::cursor);
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break;
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}
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pain.end();
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owner_.getContent()->repaint(
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cursor_x_, cursor_y_,
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cursor_w_, cursor_h_);
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}
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void QScreen::removeCursor()
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{
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// before first showCursor
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if (!nocursor_pixmap_.get())
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return;
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bitBlt(owner_.getPixmap(), cursor_x_, cursor_y_,
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nocursor_pixmap_.get(), 0, 0, cursor_w_, cursor_h_);
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owner_.getContent()->repaint(
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cursor_x_, cursor_y_,
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cursor_w_, cursor_h_);
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}
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