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// vim:set tabstop=4 shiftwidth=4 noexpandtab:
/*
Gwenview - A simple image viewer for KDE
Copyright 2000-2004 Aur�ien G�eau
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
// TQt
#include <tqbitmap.h>
#include <tqevent.h>
#include <layout.h>
#include <tqpainter.h>
#include <tqtimer.h>
// KDE
#include <kdebug.h>
// Local
#include "fullscreenbar.moc"
namespace Gwenview {
const int FULLSCREEN_ICON_SIZE = 32;
const int FULLSCREEN_LABEL_RADIUS = 6;
// Intervals are in milliseconds
const int SLIDE_IN_INTERVAL = 4;
const int SLIDE_OUT_INTERVAL = 12;
// Step is in pixels
const int SLIDE_STEP = 4;
static void fillMask(TQPainter& painter, const TQRect& rect) {
painter.fillRect(
rect.left(),
rect.top(),
rect.width() - FULLSCREEN_LABEL_RADIUS,
rect.height(),
painter.brush());
painter.fillRect(
rect.right() - FULLSCREEN_LABEL_RADIUS + 1,
rect.top(),
FULLSCREEN_LABEL_RADIUS,
rect.height() - FULLSCREEN_LABEL_RADIUS,
painter.brush());
painter.drawPie(
rect.right() - 2*FULLSCREEN_LABEL_RADIUS + 1,
rect.bottom() - 2*FULLSCREEN_LABEL_RADIUS + 1,
FULLSCREEN_LABEL_RADIUS*2, FULLSCREEN_LABEL_RADIUS*2,
0, -16*90);
}
enum BarState { OUT, SLIDING_OUT, SLIDING_IN, IN };
struct FullScreenBar::Private {
TQTimer mTimer;
BarState mState;
bool mFirstShow;
};
FullScreenBar::FullScreenBar(TQWidget* parent)
: KToolBar(parent, "FullScreenBar") {
d=new Private;
d->mState=OUT;
d->mFirstShow=true;
setIconSize(FULLSCREEN_ICON_SIZE);
setMovingEnabled(false);
TQColor bg=colorGroup().highlight();
TQColor fg=colorGroup().highlightedText();
TQPalette pal(palette());
pal.setColor(TQColorGroup::Background, bg);
pal.setColor(TQColorGroup::Foreground, fg);
pal.setColor(TQColorGroup::Button, bg);
pal.setColor(TQColorGroup::ButtonText, fg);
setPalette(pal);
// Timer
connect(&d->mTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(slotUpdateSlide()) );
}
FullScreenBar::~FullScreenBar() {
delete d;
}
void FullScreenBar::resizeEvent(TQResizeEvent* event) {
KToolBar::resizeEvent(event);
// Create a mask
TQPainter painter;
TQBitmap mask(size(), true);
painter.begin(&mask);
painter.setBrush(TQt::white);
fillMask(painter, rect());
painter.end();
setMask(mask);
}
void FullScreenBar::showEvent(TQShowEvent* event) {
KToolBar::showEvent(event);
// Make sure the bar position corresponds to the OUT state
if (!d->mFirstShow) return;
d->mFirstShow=false;
move(0, -height());
layout()->setResizeMode(TQLayout::Fixed);
}
void FullScreenBar::slideIn() {
if (d->mState!=IN) {
d->mState=SLIDING_IN;
d->mTimer.start(SLIDE_IN_INTERVAL);
}
}
void FullScreenBar::slideOut() {
if (d->mState!=OUT) {
d->mState=SLIDING_OUT;
d->mTimer.start(SLIDE_OUT_INTERVAL);
}
}
void FullScreenBar::slotUpdateSlide() {
int pos=y();
switch (d->mState) {
case SLIDING_OUT:
pos-=SLIDE_STEP;
if (pos<=-height()) {
d->mState=OUT;
d->mTimer.stop();
}
break;
case SLIDING_IN:
pos+=SLIDE_STEP;
if (pos>=0) {
pos=0;
d->mState=IN;
d->mTimer.stop();
}
break;
default:
kdWarning() << k_funcinfo << "We should not get there\n";
}
move(0, pos);
}
} // namespace
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