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modificado el scroll autom?tico (animation framework)

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This commit is contained in:
Luis Ángel San Martín 2012-11-06 19:31:17 +01:00
parent 4cee4117f8
commit bd1edd440b
2 changed files with 19 additions and 19 deletions
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35
YACReader/viewer.cpp
View File

@ -96,8 +96,6 @@ drag(false)
render = new Render();
scroller = new QTimer(this);
hideCursorTimer = new QTimer();
hideCursorTimer->setSingleShot(true);
@ -109,6 +107,9 @@ drag(false)
hideCursorTimer->start(2500);
setMouseTracking(true);
//animations
verticalScroller = new QPropertyAnimation(verticalScrollBar(), "sliderPosition");
}
void Viewer::createConnections()
@ -249,15 +250,16 @@ void Viewer::scrollDown()
if(verticalScrollBar()->sliderPosition()==verticalScrollBar()->maximum())
{
next();
scroller->stop();
}
else
{
int currentPos = verticalScrollBar()->sliderPosition();
verticalScrollBar()->setSliderPosition(currentPos=currentPos+posByStep);
if((verticalScrollBar()->sliderPosition()==verticalScrollBar()->maximum())
||(verticalScrollBar()->sliderPosition()>=nextPos))
scroller->stop();
verticalScroller->setDuration(250);
verticalScroller->setStartValue(currentPos);
verticalScroller->setEndValue(nextPos);
verticalScroller->start();
emit backgroundChanges();
}
}
@ -267,15 +269,16 @@ void Viewer::scrollUp()
if(verticalScrollBar()->sliderPosition()==verticalScrollBar()->minimum())
{
prev();
scroller->stop();
}
else
{
int currentPos = verticalScrollBar()->sliderPosition();
verticalScrollBar()->setSliderPosition(currentPos=currentPos-posByStep);
if((verticalScrollBar()->sliderPosition()==verticalScrollBar()->minimum())
||(verticalScrollBar()->sliderPosition()<=nextPos))
scroller->stop();
verticalScroller->setDuration(250);
verticalScroller->setStartValue(currentPos);
verticalScroller->setEndValue(nextPos);
verticalScroller->start();
emit backgroundChanges();
}
}
@ -290,18 +293,14 @@ void Viewer::keyPressEvent(QKeyEvent *event)
switch (event->key())
{
case Qt::Key_Space:
disconnect(scroller,SIGNAL(timeout()),this,0);
connect(scroller,SIGNAL(timeout()),this,SLOT(scrollDown()));
posByStep = height()/STEPS;
nextPos=verticalScrollBar()->sliderPosition()+static_cast<int>((height()*0.80));
scroller->start(20);
scrollDown();
break;
case Qt::Key_B:
disconnect(scroller,SIGNAL(timeout()),this,0);
connect(scroller,SIGNAL(timeout()),this,SLOT(scrollUp()));
posByStep = height()/STEPS;
nextPos=verticalScrollBar()->sliderPosition()-static_cast<int>((height()*0.80));
scroller->start(20);
scrollUp();
break;
case Qt::Key_S:
goToFlowSwitch();

3
YACReader/viewer.h
View File

@ -78,7 +78,8 @@ virtual void mouseReleaseEvent ( QMouseEvent * event );
bool information;
bool doublePage;
QLabel * informationLabel;
QTimer * scroller;
//QTimer * scroller;
QPropertyAnimation * verticalScroller;
int posByStep;
int nextPos;
GoToFlowWidget * goToFlow;