source: smplayer/trunk/src/floatingwidget.cpp@ 108

/*  smplayer, GUI front-end for mplayer.
    Copyright (C) 2006-2010 Ricardo Villalba <rvm@escomposlinux.org>

    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "floatingwidget.h"
#include <QToolBar>
#include <QTimer>
#include <QHBoxLayout>

FloatingWidget::FloatingWidget( QWidget * parent )
        : QWidget( parent, Qt::Window | Qt::FramelessWindowHint |
                       Qt::WindowStaysOnTopHint )
{
        setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Minimum );

        tb = new QToolBar;
        tb->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum );

        QHBoxLayout *layout = new QHBoxLayout;
        layout->setSpacing(2);
        layout->setMargin(2);
        layout->addWidget(tb);

        setLayout(layout);

        _margin = 0;
        _animated = false;
        animation_timer = new QTimer(this);
        animation_timer->setInterval(2);
        connect( animation_timer, SIGNAL(timeout()), this, SLOT(animate()) );

        connect( &auto_hide_timer, SIGNAL(timeout()), 
             this, SLOT(checkUnderMouse()) );
        setAutoHide(true);
}

FloatingWidget::~FloatingWidget() {
}

#ifndef Q_OS_WIN
void FloatingWidget::setBypassWindowManager(bool b) {
        if (b) {
                setWindowFlags(windowFlags() | Qt::X11BypassWindowManagerHint);
        }
        else {
                setWindowFlags(windowFlags() & ~Qt::X11BypassWindowManagerHint);
        }
}
#endif

void FloatingWidget::setAutoHide(bool b) { 
        auto_hide = b;

        if (b) 
                auto_hide_timer.start(5000);
        else
                auto_hide_timer.stop();
}


void FloatingWidget::showOver(QWidget * widget, int size, Place place) {
        qDebug("FloatingWidget::showOver");

        int w = widget->width() * size / 100;
        int h = height();
        resize( w, h );

        //qDebug("widget x: %d, y: %d, h: %d, w: %d", widget->x(), widget->y(), widget->width(), widget->height());

        int x = (widget->width() - width() ) / 2;
        int y;
        if (place == Top) 
                y = 0 + _margin;
        else
                y = widget->height() - height() - _margin;

        QPoint p = widget->mapToGlobal(QPoint(x, y));

        //qDebug("FloatingWidget::showOver: x: %d, y: %d, w: %d, h: %d", x, y, w, h);
        //qDebug("FloatingWidget::showOver: global x: %d global y: %d", p.x(), p.y());
        move(p);

        if (isAnimated()) {
                Movement m = Upward;
                if (place == Top) m = Downward;
                showAnimated(p, m);
        } else {
                show();
        }
}

void FloatingWidget::showAnimated(QPoint final_position, Movement movement) {
        current_movement = movement;
        final_y = final_position.y();

        if (movement == Upward) {
                current_y = final_position.y() + height();
        } else {
                current_y = final_position.y() - height();
        }

        move(x(), current_y);
        show();

        animation_timer->start();
}

void FloatingWidget::animate() {
        if (current_y == final_y) {
                animation_timer->stop();
        } else {
                if (current_movement == Upward) current_y--; else current_y++;
                move(x(), current_y);
        }
}

void FloatingWidget::checkUnderMouse() {
        if (auto_hide) {
                //qDebug("FloatingWidget::checkUnderMouse");
                if ((isVisible()) && (!underMouse())) hide();
        }
}

#include "moc_floatingwidget.cpp"