Commit 0dbba8ba authored by Ludovic Fauvet's avatar Ludovic Fauvet Committed by Jean-Baptiste Kempf
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Qt: Improved tooltip to view the time at a given mouse position


Signed-off-by: Jean-Baptiste Kempf's avatarJean-Baptiste Kempf <jb@videolan.org>
parent 7553aa0f
......@@ -66,6 +66,7 @@ nodist_SOURCES_qt4 = \
components/sout/profile_selector.moc.cpp \
components/sout/sout_widgets.moc.cpp \
util/input_slider.moc.cpp \
util/timetooltip.moc.cpp \
util/customwidgets.moc.cpp \
util/searchlineedit.moc.cpp \
util/qvlcapp.moc.cpp \
......@@ -297,6 +298,7 @@ SOURCES_qt4 = qt4.cpp \
components/sout/profile_selector.cpp \
components/sout/sout_widgets.cpp \
util/input_slider.cpp \
util/timetooltip.cpp \
util/customwidgets.cpp \
util/searchlineedit.cpp \
util/registry.cpp \
......@@ -370,6 +372,7 @@ noinst_HEADERS = \
components/sout/sout_widgets.hpp \
components/sout/profiles.hpp \
util/input_slider.hpp \
util/timetooltip.hpp \
util/customwidgets.hpp \
util/searchlineedit.hpp \
util/qvlcframe.hpp \
......
......@@ -52,8 +52,14 @@ SeekSlider::SeekSlider( Qt::Orientation q, QWidget *_parent )
b_isSliding = false;
/* Timer used to fire intermediate updatePos() when sliding */
seekLimitTimer = new QTimer(this);
seekLimitTimer->setSingleShot(true);
seekLimitTimer = new QTimer( this );
seekLimitTimer->setSingleShot( true );
hideTooltipTimer = new QTimer( this );
hideTooltipTimer->setSingleShot( true );
/* Tooltip bubble */
mTimeTooltip = new TimeTooltip( this );
/* Properties */
setRange( MINIMUM, MAXIMUM );
......@@ -69,6 +75,9 @@ SeekSlider::SeekSlider( Qt::Orientation q, QWidget *_parent )
CONNECT( this, sliderMoved(int), this, startSeekTimer( int ) );
CONNECT( seekLimitTimer, timeout(), this, updatePos() );
CONNECT( hideTooltipTimer, timeout(), mTimeTooltip, hide() );
mTimeTooltip->installEventFilter( this );
}
/***
......@@ -139,8 +148,12 @@ void SeekSlider::mouseMoveEvent(QMouseEvent *event)
}
/* Tooltip */
QPoint p( event->globalX() - mTimeTooltip->width() / 2,
QWidget::mapToGlobal( pos() ).y() - ( mTimeTooltip->height() + 2 ) );
secstotimestr( psz_length, ( event->x() * inputLength) / size().width() );
setToolTip( psz_length );
mTimeTooltip->setTime( psz_length );
mTimeTooltip->move( p );
event->accept();
}
......@@ -158,6 +171,36 @@ void SeekSlider::wheelEvent( QWheelEvent *event)
event->accept();
}
void SeekSlider::enterEvent( QEvent *e )
{
if (isEnabled())
{
hideTooltipTimer->stop();
mTimeTooltip->show();
}
}
void SeekSlider::leaveEvent( QEvent *e )
{
hideTooltipTimer->start(100);
}
bool SeekSlider::eventFilter( QObject *obj, QEvent *event )
{
// This eventFilter avoids a flicker that occurs if the
// mouse cursor leaves the SeekSlider for the TimeTooltip.
if (obj == mTimeTooltip)
{
if (event->type() == QEvent::Enter)
hideTooltipTimer->stop();
else if (event->type() == QEvent::Leave)
hideTooltipTimer->start(100);
return false;
}
else
return QSlider::eventFilter( obj, event );
}
QSize SeekSlider::sizeHint() const
{
return ( orientation() == Qt::Horizontal ) ? QSize( 100, 18 )
......
......@@ -25,9 +25,11 @@
#ifndef _INPUTSLIDER_H_
#define _INPUTSLIDER_H_
#include <vlc_common.h>
#include "timetooltip.hpp"
#include <QSlider>
#include <vlc_common.h>
#define MSTRTIME_MAX_SIZE 22
class QMouseEvent;
......@@ -47,8 +49,11 @@ protected:
virtual void mousePressEvent(QMouseEvent* event);
virtual void mouseReleaseEvent(QMouseEvent* event);
virtual void wheelEvent(QWheelEvent *event);
virtual void enterEvent( QEvent * );
virtual void leaveEvent( QEvent * );
virtual void paintEvent( QPaintEvent* event );
virtual bool eventFilter(QObject *obj, QEvent *event);
QSize handleSize() const;
QSize sizeHint() const;
......@@ -58,6 +63,8 @@ private:
int inputLength; /* InputLength that can change */
char psz_length[MSTRTIME_MAX_SIZE]; /* Used for the ToolTip */
QTimer *seekLimitTimer;
QTimer *hideTooltipTimer;
TimeTooltip *mTimeTooltip;
public slots:
void setPosition( float, int64_t, int );
......
/*****************************************************************************
* Copyright © 2011 VideoLAN
* $Id$
*
* Authors: Ludovic Fauvet <etix@l0cal.com>
*
* 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.
*****************************************************************************/
#include "timetooltip.hpp"
#include <QApplication>
#include <QPainter>
#include <QPainterPath>
#include <QBitmap>
#include <QFontMetrics>
#define TIP_HEIGHT 5
TimeTooltip::TimeTooltip( QWidget *parent ) :
QWidget( parent )
{
setWindowFlags( Qt::ToolTip );
// Tell Qt that it doesn't need to erase the background before
// a paintEvent occurs. This should save some CPU cycles.
setAttribute( Qt::WA_OpaquePaintEvent );
// Inherit from the system default font size -5
mFont = QFont( "Verdana", qMax( qApp->font().pointSize() - 5, 7 ) );
QFontMetrics metrics( mFont );
// Get the bounding box required to print the text and add some padding
QRect textbox = metrics.boundingRect( "00:00:00" ).adjusted( -2, -2, 2, 2 );
mBox = QRect( 0, 0, textbox.width(), textbox.height() );
// Resize the widget to fit our needs
resize( mBox.width() + 1, mBox.height() + TIP_HEIGHT + 1 );
// Prepare the painter path for future use so
// we only have to generate the text at runtime.
// Draw the text box
mPainterPath.addRect( mBox );
// Draw the tip
int center = mBox.width() / 2;
QPolygon polygon;
polygon << QPoint( center - 3, mBox.height() )
<< QPoint( center, mBox.height() + TIP_HEIGHT )
<< QPoint( center + 3, mBox.height() );
mPainterPath.addPolygon( polygon );
// Store the simplified version of the path
mPainterPath = mPainterPath.simplified();
// Create the mask used to erase the background
// Note: this is a binary bitmap (black & white)
mMask = QBitmap( size() );
QPainter painter( &mMask );
painter.fillRect( mMask.rect(), Qt::white );
painter.setPen( QColor( 0, 0, 0 ) );
painter.setBrush( QColor( 0, 0, 0 ) );
painter.drawPath( mPainterPath );
painter.end();
setMask( mMask );
// Set default text
setTime("00:00");
}
void TimeTooltip::setTime( const QString& time )
{
mTime = time;
update();
}
void TimeTooltip::paintEvent( QPaintEvent * )
{
QPainter p( this );
p.setRenderHints( QPainter::HighQualityAntialiasing | QPainter::TextAntialiasing );
p.setPen( Qt::black );
p.setBrush( qApp->palette().base() );
p.drawPath( mPainterPath );
p.setFont( mFont );
p.setPen( QPen( qApp->palette().text(), 1 ) );
p.drawText( mBox, Qt::AlignCenter, mTime );
}
#undef TIP_HEIGHT
/*****************************************************************************
* Copyright © 2011 VideoLAN
* $Id$
*
* Authors: Ludovic Fauvet <etix@l0cal.com>
*
* 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.
*****************************************************************************/
#ifndef TIMETOOLTIP_H
#define TIMETOOLTIP_H
#include <QWidget>
#include <QBitmap>
class QPaintEvent;
class QString;
class QFont;
class QRect;
class QPainterPath;
class TimeTooltip : public QWidget
{
Q_OBJECT
public:
explicit TimeTooltip( QWidget *parent = 0 );
void setTime( const QString& time );
protected:
virtual void paintEvent( QPaintEvent * );
private:
QString mTime;
QFont mFont;
QRect mBox;
QPainterPath mPainterPath;
QBitmap mMask;
};
#endif // TIMETOOLTIP_H
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