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Make the plan handlers to not move across other handlers.

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This patch disables the hability to move handlers across
the others, making a 'zigzag' in the time line.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
This commit is contained in:
Tomaz Canabrava 2013-06-20 15:15:10 -03:00
parent 607f82ade3
commit 52a0e6c82d
2 changed files with 48 additions and 19 deletions
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64
qt-ui/diveplanner.cpp
View file

@ -98,24 +98,8 @@ void DivePlanner::mouseMoveEvent(QMouseEvent* event)
verticalLine->setLine(mappedPos.x(), 0, mappedPos.x(), 100); verticalLine->setLine(mappedPos.x(), 0, mappedPos.x(), 100);
horizontalLine->setLine(0, mappedPos.y(), 100, mappedPos.y()); horizontalLine->setLine(0, mappedPos.y(), 100, mappedPos.y());
if (activeDraggedHandler){ if(activeDraggedHandler)
int idx = handles.indexOf(activeDraggedHandler); moveActiveHandler(mappedPos);
activeDraggedHandler->setPos(mappedPos);
if (activeDraggedHandler->from){
QLineF f = activeDraggedHandler->from->line();
activeDraggedHandler->from->setLine(f.x1(), f.y1(), mappedPos.x(), mappedPos.y());
}
if(activeDraggedHandler == handles.last()){
clear_generated_deco();
create_deco_stop();
}
if (activeDraggedHandler->to){
QLineF f = activeDraggedHandler->to->line();
activeDraggedHandler->to->setLine(mappedPos.x(), mappedPos.y(), f.x2(), f.y2());
}
}
if (!handles.count()) if (!handles.count())
return; return;
@ -129,6 +113,50 @@ void DivePlanner::mouseMoveEvent(QMouseEvent* event)
} }
} }
void DivePlanner::moveActiveHandler(QPointF pos)
{
int idx = handles.indexOf(activeDraggedHandler);
bool moveLines = false;;
// do not allow it to move between handlers.
if (handles.count() > 1){
if (idx == 0 ){ // first
if (pos.x() < handles[1]->x()){
activeDraggedHandler->setPos(pos);
moveLines = true;
}
}else if (idx == handles.count()-1){ // last
if (pos.x() > handles[idx-1]->x()){
activeDraggedHandler->setPos(pos);
moveLines = true;
}
}else{ // middle
if (pos.x() > handles[idx-1]->x() && pos.x() < handles[idx+1]->x()){
activeDraggedHandler->setPos(pos);
moveLines = true;
}
}
}else{
activeDraggedHandler->setPos(pos);
moveLines = true;
}
if (moveLines){
if (activeDraggedHandler->from){
QLineF f = activeDraggedHandler->from->line();
activeDraggedHandler->from->setLine(f.x1(), f.y1(), pos.x(), pos.y());
}
if (activeDraggedHandler->to){
QLineF f = activeDraggedHandler->to->line();
activeDraggedHandler->to->setLine(pos.x(), pos.y(), f.x2(), f.y2());
}
if(activeDraggedHandler == handles.last()){
clear_generated_deco();
create_deco_stop();
}
}
}
bool DivePlanner::isPointOutOfBoundaries(QPointF point) bool DivePlanner::isPointOutOfBoundaries(QPointF point)
{ {
if (point.x() > sceneRect().width() if (point.x() > sceneRect().width()

1
qt-ui/diveplanner.h
View file

@ -29,6 +29,7 @@ protected:
private: private:
DivePlanner(QWidget* parent = 0); DivePlanner(QWidget* parent = 0);
void moveActiveHandler(QPointF pos);
QList<QGraphicsLineItem*> lines; QList<QGraphicsLineItem*> lines;
QList<DiveHandler *> handles; QList<DiveHandler *> handles;
QGraphicsLineItem *verticalLine; QGraphicsLineItem *verticalLine;