catdog2/lsim
1
0
Fork 0
Code Issues Pull Requests Releases Activity

HomoBField einfuegbar in die scene und editierbar

Browse Source 
git-svn-id: http://svn.lsim.tuxzone.org/trunk@5 4bec179b-ab65-46ed-a5f8-55b8b5c735d0
This commit is contained in:
catdog2
2008-10-14 19:31:02 +00:00
parent c00072302f
commit ffdd1677f1
7 changed files with 117 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

88
src/simulscene.cpp
View File

@@ -25,6 +25,7 @@
#include <cmath>
#include "graphicsellipseitem.h"
#include "homoefielditem.h"
#include "homobfielditem.h"
#include <QRectF>
#include <QGraphicsSceneMouseEvent>
#include <QtDebug>
@@ -41,8 +42,12 @@ SimulScene::SimulScene ( QObject* parent ) : QGraphicsScene ( parent ) {
setSteps(1000);
//setMeterPerPx(1/1000.0);
setMeterPerPx(1);
currHomoEfieldInsertItem = 0;
currHomoEfieldEditItem = 0;
currHomoBfieldInsertItem = 0;
currHomoBfieldEditItem = 0;
createResizeRects();
addLine(0,-298,0,298,QPen(Qt::green, 1, Qt::SolidLine) )->setCacheMode(QGraphicsItem::DeviceCoordinateCache);
@@ -104,6 +109,12 @@ void SimulScene::mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent) {
addItem(currHomoEfieldInsertItem);
QApplication::setOverrideCursor(QCursor(Qt::SizeFDiagCursor));
break;
case HomoBFieldItemInsert:
if (mouseEvent->button() != Qt::LeftButton) break; //benutze nur linke maustaste
currHomoBfieldInsertItem = new HomoBFieldItem(QRectF(mouseEvent->scenePos(),mouseEvent->scenePos()));
addItem(currHomoBfieldInsertItem);
QApplication::setOverrideCursor(QCursor(Qt::SizeFDiagCursor));
break;
default:
if (itemAt(mouseEvent->scenePos())->data(0) == ResizeRectItem && mouseEvent->button()==Qt::LeftButton) {
pressedResizeItem = itemAt(mouseEvent->scenePos());
@@ -111,6 +122,10 @@ void SimulScene::mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent) {
currHomoEfieldEditItem = qgraphicsitem_cast<HomoEFieldItem *>(selectedItems().first());
QApplication::setOverrideCursor(pressedResizeItem->cursor());
}
else if (selectedItems().first()->type() == HomoBFieldItem::Type) {
currHomoBfieldEditItem = qgraphicsitem_cast<HomoBFieldItem *>(selectedItems().first());
QApplication::setOverrideCursor(pressedResizeItem->cursor());
}
}
else {
@@ -135,6 +150,19 @@ void SimulScene::mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent) {
}
}
else if (currHomoBfieldInsertItem != 0) {
if (myMode == HomoBFieldItemInsert) {
QPointF point(currHomoBfieldInsertItem->getRectF().x(), currHomoBfieldInsertItem->getRectF().y());
update(currHomoBfieldInsertItem->getRectF());
if(point.x() <= mouseEvent->scenePos().x() && point.y() <= mouseEvent->scenePos().y()) {
QRectF rect(point,mouseEvent->scenePos());
currHomoBfieldInsertItem->setRectF(rect);
//update(QRectF(point,mouseEvent->lastScenePos()));
}
}
}
else if (currHomoEfieldEditItem != 0 ) {
QGraphicsRectItem *pressedRectItem = qgraphicsitem_cast<QGraphicsRectItem *>(pressedResizeItem);
@@ -151,6 +179,23 @@ void SimulScene::mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent) {
//resize rechtecke mitverschieben --> macht jetzt schon das Widget
//if(mouseEvent->scenePos() != mouseEvent->lastScenePos()) displayResizeRects(true);
}
else if (currHomoBfieldEditItem != 0 ) {
QGraphicsRectItem *pressedRectItem = qgraphicsitem_cast<QGraphicsRectItem *>(pressedResizeItem);
QRectF currRect = currHomoBfieldEditItem->getRectF();
QPointF newPos = currHomoBfieldEditItem->pos();
calculateItemResize(mouseEvent,pressedRectItem,currRect,newPos,HomoBFieldItem::MinimumWidth,HomoBFieldItem::MinimumHeight);
//aenderungen uebernehmen
currHomoBfieldEditItem->setPos(newPos);
if (currRect != currHomoBfieldEditItem->getRectF()) {
currHomoBfieldEditItem->setRectF(currRect);
}
//resize rechtecke mitverschieben --> macht jetzt schon das Widget
//if(mouseEvent->scenePos() != mouseEvent->lastScenePos()) displayResizeRects(true);
}
else {
QGraphicsScene::mouseMoveEvent(mouseEvent);
@@ -197,14 +242,55 @@ void SimulScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent) {
update(); //moegliche darstellungsprobleme beseitigen
QApplication::restoreOverrideCursor();
}
else if (currHomoBfieldInsertItem != 0 && myMode == HomoBFieldItemInsert) {
if (currHomoBfieldInsertItem->getRectF().width() < HomoBFieldItem::MinimumWidth || currHomoBfieldInsertItem->getRectF().height() <HomoBFieldItem::MinimumHeight ) {
//removeItem(currHomoEfieldInsertItem); //segmention fault in kombination mit delete?
delete currHomoBfieldInsertItem; //zu kleines feld loeschen
}
else {
//setze Startpunkt des rechtecks auf 0,0, damit pos() richtig funktioniert
currHomoBfieldInsertItem->setVisible(false); //ausblenden, damit sich nix verschiebt
QRectF rect (currHomoBfieldInsertItem->getRectF());
QPointF posPoint(rect.x(),rect.y());
rect.setWidth(rect.width() - rect.x());
rect.setHeight(rect.height() - rect.y());
rect.setX(0);
rect.setY(0);
currHomoBfieldInsertItem->setRectF(rect);
currHomoBfieldInsertItem->setPos(posPoint);
currHomoBfieldInsertItem->setVisible(true); //und wieder einblenden
setSceneMode(FieldItemEdit);
//das neue item auswaehlen
clearSelection();
currHomoBfieldInsertItem->setSelected(true);
//die resize items aus und einblenden bei rotation
connect( currHomoBfieldInsertItem, SIGNAL(rotationChanged()), this, SLOT(displayResizeRects()));
//bei groesenanderung und verschieben resizerects mitverschieben
connect( currHomoBfieldInsertItem, SIGNAL(heightChanged(double)), this, SLOT(moveResizeRects()));
connect( currHomoBfieldInsertItem, SIGNAL(widthChanged(double)), this, SLOT(moveResizeRects()));
connect( currHomoBfieldInsertItem, SIGNAL(ScenePosChanged(QPointF)), this, SLOT(moveResizeRects()));
//item ueber sceneChange informieren
connect(this,SIGNAL(changed(QList<QRectF>)),currHomoBfieldInsertItem,SLOT(handleSceneChange(QList<QRectF>)));
}
update(); //moegliche darstellungsprobleme beseitigen
QApplication::restoreOverrideCursor();
}
else if (currHomoEfieldEditItem != 0) {
update();
QApplication::restoreOverrideCursor();
}
else if (currHomoBfieldEditItem != 0) {
update();
QApplication::restoreOverrideCursor();
}
pressedResizeItem = 0;
currHomoEfieldInsertItem = 0;
currHomoBfieldInsertItem = 0;
currHomoEfieldEditItem = 0;
currHomoBfieldEditItem = 0;
QGraphicsScene::mouseReleaseEvent(mouseEvent);
}