lyx_mirror/src/frontends/qt2/QContentPane.C
Angus Leeming da4456f2aa Lots and lots of little trivial bits.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@5334 a592a061-630c-0410-9148-cb99ea01b6c8
2002-09-24 13:57:09 +00:00

198 lines
4.0 KiB
C

/**
* \file QContentPane.C
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author John Levon
*
* Full author contact details are available in file CREDITS
*/
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "debug.h"
#include "QWorkArea.h"
#include "QLyXKeySym.h"
#include "funcrequest.h"
#include <qevent.h>
#include <qpainter.h>
#include <qtimer.h>
#include <qapplication.h>
using std::endl;
namespace {
/// return the LyX key state from Qt's
key_modifier::state q_key_state(Qt::ButtonState state)
{
key_modifier::state k = key_modifier::none;
if (state & Qt::ControlButton)
k |= key_modifier::ctrl;
if (state & Qt::ShiftButton)
k |= key_modifier::shift;
if (state & Qt::AltButton)
k |= key_modifier::alt;
return k;
}
/// return the LyX mouse button state from Qt's
mouse_button::state q_button_state(Qt::ButtonState button)
{
mouse_button::state b = mouse_button::none;
switch (button) {
case Qt::LeftButton:
b = mouse_button::button1;
break;
case Qt::MidButton:
b = mouse_button::button2;
break;
case Qt::RightButton:
b = mouse_button::button3;
break;
default:
break;
}
return b;
}
/// return the LyX mouse button state from Qt's
mouse_button::state q_motion_state(Qt::ButtonState state)
{
mouse_button::state b = mouse_button::none;
if (state & Qt::LeftButton)
b |= mouse_button::button1;
if (state & Qt::MidButton)
b |= mouse_button::button2;
if (state & Qt::RightButton)
b |= mouse_button::button3;
return b;
}
} // namespace anon
QContentPane::QContentPane(QWorkArea * parent)
: QWidget(parent, "content_pane", WRepaintNoErase),
wa_(parent)
{
setFocusPolicy(QWidget::WheelFocus);
setFocus();
// stupid moc strikes again
connect(wa_->scrollbar_, SIGNAL(valueChanged(int)),
this, SLOT(scrollBarChanged(int)));
}
void QContentPane::scrollBarChanged(int val)
{
wa_->scrollDocView(val);
}
void QContentPane::mousePressEvent(QMouseEvent * e)
{
if (dc_event_.active && dc_event_ == *e) {
dc_event_.active = false;
FuncRequest cmd(LFUN_MOUSE_TRIPLE,
dc_event_.x, dc_event_.y,
q_button_state(dc_event_.state));
wa_->dispatch(cmd);
return;
}
FuncRequest cmd
(LFUN_MOUSE_PRESS, e->x(), e->y(), q_button_state(e->button()));
wa_->dispatch(cmd);
}
void QContentPane::mouseReleaseEvent(QMouseEvent * e)
{
FuncRequest cmd
(LFUN_MOUSE_RELEASE, e->x(), e->y(), q_button_state(e->button()));
wa_->dispatch(cmd);
}
void QContentPane::mouseMoveEvent(QMouseEvent * e)
{
FuncRequest cmd
(LFUN_MOUSE_MOTION, e->x(), e->y(), q_motion_state(e->state()));
wa_->dispatch(cmd);
}
void QContentPane::keyPressEvent(QKeyEvent * e)
{
lyxerr[Debug::KEY] << "Press key " << e->key()
<< " text \"" << (e->text().isEmpty() ? "none" : e->text().latin1())
<< "\", ascii \"" << e->ascii() << "\"" << endl;
QLyXKeySym * sym = new QLyXKeySym();
sym->set(e);
wa_->workAreaKeyPress(LyXKeySymPtr(sym), q_key_state(e->state()));
}
void QContentPane::doubleClickTimeout()
{
if (!dc_event_.active)
return;
dc_event_.active = false;
FuncRequest cmd(LFUN_MOUSE_DOUBLE,
dc_event_.x, dc_event_.y,
q_button_state(dc_event_.state));
wa_->dispatch(cmd);
}
void QContentPane::mouseDoubleClickEvent(QMouseEvent * e)
{
dc_event_ = double_click(e);
// doubleClickInterval() is just too long.
QTimer::singleShot(int(QApplication::doubleClickInterval() / 1.5),
this, SLOT(doubleClickTimeout()));
}
void QContentPane::resizeEvent(QResizeEvent *)
{
if (!pixmap_.get()) {
pixmap_.reset(new QPixmap(width(), height()));
}
pixmap_->resize(width(), height());
wa_->workAreaResize();
}
void QContentPane::paintEvent(QPaintEvent * e)
{
if (!pixmap_.get()) {
pixmap_.reset(new QPixmap(width(), height()));
wa_->workAreaResize();
return;
}
QRect r(e->rect());
lyxerr[Debug::GUI] << "repainting " << r.x()
<< "," << r.y() << " " << r.width()
<< "," << r.height() << endl;
QPainter q(this);
q.drawPixmap(QPoint(r.x(), r.y()),
*pixmap_.get(), r);
}