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HomoBFieldItem wird richtig als B-Feld gezeichnet

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git-svn-id: http://svn.lsim.tuxzone.org/trunk@6 4bec179b-ab65-46ed-a5f8-55b8b5c735d0
This commit is contained in:
catdog2
2008-10-14 21:22:24 +00:00
parent ffdd1677f1
commit 4b01655459
3 changed files with 72 additions and 5 deletions
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66
src/homobfielditem.cpp
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@@ -21,6 +21,7 @@
#include <cmath>
#include <QPainter>
#include <QWidget>
#include <QtDebug>
HomoBFieldItem::HomoBFieldItem(QRectF sizeRect): FieldItem() {
setRectF(sizeRect);
@@ -29,6 +30,7 @@ HomoBFieldItem::HomoBFieldItem(QRectF sizeRect): FieldItem() {
setFlag(ItemIsSelectable);
setFlag(ItemIsFocusable);
setOuterPenWidth (2);
setIsDirectionIntoPlane(true);
}
@@ -53,7 +55,55 @@ void HomoBFieldItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* op
if (isSelected()) painter->setBrush(Qt::Dense6Pattern); //selection deutlich machen
painter->drawRect(sizeRect);
for (int i = 1; i <= floor(sizeRect.width()/(qreal)fieldLineDistance); ++i) {
const int x_arrow_width = 8; //laenge und breite des Pfeils
const int circle_arrow_width = 12; //laenge u. breite des kreispfeiles
int arrow_width;
if (getIsDirectionIntoPlane()) arrow_width = x_arrow_width;
else arrow_width = circle_arrow_width; //arrow width an das jeweilige anpassen
for (int y = 1; y <= floor(sizeRect.height()/(qreal)(getFieldLineDistance()+arrow_width)); ++y ) {
//unten ueberstehen verhindern
if (-abs(sizeRect.y()) + y*getFieldLineDistance() + y*arrow_width >= sizeRect.height()-4 ) break;
for (int x = 1; x <= floor(sizeRect.width()/(qreal)(getFieldLineDistance()+arrow_width)); ++x ) {
//rechts ueberstehen verhindern
if (-abs(sizeRect.x()) + x*getFieldLineDistance() + x*arrow_width >= sizeRect.width()-4 ) break;
if (getIsDirectionIntoPlane()) {
painter->drawLine(
sizeRect.x() + x*getFieldLineDistance() + (x-1)*arrow_width,
sizeRect.y() + y*getFieldLineDistance() + (y-1)*arrow_width,
sizeRect.x() + x*getFieldLineDistance() + arrow_width + (x-1)*arrow_width,
sizeRect.y() + y*getFieldLineDistance() + arrow_width + (y-1)*arrow_width
);
painter->drawLine(
sizeRect.x() + x*getFieldLineDistance() + arrow_width + (x-1)*arrow_width,
sizeRect.y() + y*getFieldLineDistance() + (y-1)*arrow_width,
sizeRect.x() + x*getFieldLineDistance() + (x-1)*arrow_width,
sizeRect.y() + y*getFieldLineDistance() + arrow_width + (y-1)*arrow_width
);
}
else {
painter->drawEllipse(
sizeRect.x() + x*getFieldLineDistance() + (x-1)*arrow_width,
sizeRect.y() + y*getFieldLineDistance() + (y-1)*arrow_width,
arrow_width,
arrow_width
);
painter->setBrush(linecolor);
painter->drawEllipse(
QPoint(
sizeRect.x() + x*getFieldLineDistance() + (x-1)*arrow_width + arrow_width/2.0,
sizeRect.y() + y*getFieldLineDistance() + (y-1)*arrow_width + arrow_width/2.0
),
1,
1
);
painter->setBrush(Qt::NoBrush);
}
}
}
/*for (int i = 1; i <= floor(sizeRect.width()/(qreal)fieldLineDistance); ++i) {
const int top_bottom_space = 10;
const int arrow_height = 8; //pfeilhoehe
const int arrow_width_half = 3; //Halbe pfeilbreite
@@ -81,7 +131,7 @@ void HomoBFieldItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* op
painter->setBrush(Qt::NoBrush);
//qDebug() << pos();
}
}*/
}
int HomoBFieldItem::type() const {
@@ -111,3 +161,15 @@ void HomoBFieldItem::setOuterPenWidth ( double theValue ) {
QWidget* HomoBFieldItem::getDockWidget() const {
return new QWidget();
}
bool HomoBFieldItem::getIsDirectionIntoPlane() const {
return isDirectionIntoPlane;
}
void HomoBFieldItem::setIsDirectionIntoPlane ( bool theValue ) {
if(isDirectionIntoPlane == theValue) return;
isDirectionIntoPlane = theValue;
emit directionChanged(theValue);
}