/**
* Constructor.
*/
QG_GraphicView::QG_GraphicView(QWidget* parent, Qt::WindowFlags f, RS_Document* doc)
:RS_GraphicView(parent, f)
,device("Mouse")
,curCad(new QCursor(QPixmap(":ui/cur_cad_bmp.png"), CURSOR_SIZE, CURSOR_SIZE))
,curDel(new QCursor(QPixmap(":ui/cur_del_bmp.png"), CURSOR_SIZE, CURSOR_SIZE))
,curSelect(new QCursor(QPixmap(":ui/cur_select_bmp.png"), CURSOR_SIZE, CURSOR_SIZE))
,curMagnifier(new QCursor(QPixmap(":ui/cur_glass_bmp.png"), CURSOR_SIZE, CURSOR_SIZE))
,curHand(new QCursor(QPixmap(":ui/cur_hand_bmp.png"), CURSOR_SIZE, CURSOR_SIZE))
,redrawMethod(RS2::RedrawAll)
,isSmoothScrolling(false)
{
RS_DEBUG->print("QG_GraphicView::QG_GraphicView()..");
if (doc)
{
setContainer(doc);
doc->setGraphicView(this);
setDefaultAction(new RS_ActionDefault(*doc, *this));
}
setFactorX(4.0);
setFactorY(4.0);
setBorders(10, 10, 10, 10);
setMouseTracking(true);
setFocusPolicy(Qt::NoFocus);
// SourceForge issue 45 (Left-mouse drag shrinks window)
setAttribute(Qt::WA_NoMousePropagation);
view_rect = LC_Rect(toGraph(0, 0), toGraph(getWidth(), getHeight()));
}
/**
* Zooms to page extends.
*/
void RS_GraphicView::zoomPage() {
RS_DEBUG->print("RS_GraphicView::zoomPage");
if (!container) {
return;
}
RS_Graphic* graphic = container->getGraphic();
if (!graphic) {
return;
}
RS_Vector s = graphic->getPaperSize()/graphic->getPaperScale();
double fx, fy;
if (s.x>RS_TOLERANCE) {
fx = (getWidth()-borderLeft-borderRight) / s.x;
} else {
fx = 1.0;
}
if (s.y>RS_TOLERANCE) {
fy = (getHeight()-borderTop-borderBottom) / s.y;
} else {
fy = 1.0;
}
RS_DEBUG->print("f: %f/%f", fx, fy);
fx = fy = std::min(fx, fy);
RS_DEBUG->print("f: %f/%f", fx, fy);
if (fx<RS_TOLERANCE) {
fx=fy=1.0;
}
setFactorX(fx);
setFactorY(fy);
RS_DEBUG->print("f: %f/%f", fx, fy);
centerOffsetX();
centerOffsetY();
adjustOffsetControls();
adjustZoomControls();
// updateGrid();
redraw();
}
/**
* performs autozoom
*
* @param axis include axis in zoom
* @param keepAspectRatio true: keep aspect ratio 1:1
* false: factors in x and y are stretched to the max
*/
void RS_GraphicView::zoomAuto(bool axis, bool keepAspectRatio) {
RS_DEBUG->print("RS_GraphicView::zoomAuto");
if (container) {
container->calculateBorders();
double sx, sy;
if (axis) {
sx = std::max(container->getMax().x, 0.0)
- std::min(container->getMin().x, 0.0);
sy = std::max(container->getMax().y, 0.0)
- std::min(container->getMin().y, 0.0);
} else {
sx = container->getSize().x;
sy = container->getSize().y;
}
// std::cout<<" RS_GraphicView::zoomAuto("<<axis<<","<<keepAspectRatio<<")"<<std::endl;
double fx=1., fy=1.;
unsigned short fFlags=0;
if (sx>RS_TOLERANCE) {
fx = (getWidth()-borderLeft-borderRight) / sx;
} else {
fFlags += 1; //invalid x factor
}
if (sy>RS_TOLERANCE) {
fy = (getHeight()-borderTop-borderBottom) / sy;
} else {
fFlags += 2; //invalid y factor
}
// std::cout<<"0: fx= "<<fx<<"\tfy="<<fy<<std::endl;
RS_DEBUG->print("f: %f/%f", fx, fy);
switch(fFlags){
case 1:
fx=fy;
break;
case 2:
fy=fx;
break;
case 3:
return; //do not do anything, invalid factors
default:
if (keepAspectRatio) {
fx = fy = std::min(fx, fy);
}
// break;
}
// std::cout<<"1: fx= "<<fx<<"\tfy="<<fy<<std::endl;
RS_DEBUG->print("f: %f/%f", fx, fy);
//exclude invalid factors
fFlags=0;
if (fx<RS_TOLERANCE||fx>RS_MAXDOUBLE) {
fx=1.0;
fFlags += 1;
}
if (fy<RS_TOLERANCE||fy>RS_MAXDOUBLE) {
fy=1.0;
fFlags += 2;
}
if(fFlags == 3 ) return;
saveView();
// std::cout<<"2: fx= "<<fx<<"\tfy="<<fy<<std::endl;
setFactorX(fx);
setFactorY(fy);
RS_DEBUG->print("f: %f/%f", fx, fy);
// RS_DEBUG->print("adjustZoomControls");
adjustZoomControls();
// RS_DEBUG->print("centerOffsetX");
centerOffsetX();
// RS_DEBUG->print("centerOffsetY");
centerOffsetY();
// RS_DEBUG->print("adjustOffsetControls");
adjustOffsetControls();
// RS_DEBUG->print("updateGrid");
// updateGrid();
redraw();
}
RS_DEBUG->print("RS_GraphicView::zoomAuto OK");
}
void RS_GraphicView::setFactor(double f) {
setFactorX(f);
setFactorY(f);
}
/**
* Constructor.
*/
QG_GraphicView::QG_GraphicView(QWidget* parent, Qt::WindowFlags f, RS_Document* doc)
:RS_GraphicView(parent, f)
,hScrollBar(new QG_ScrollBar(Qt::Horizontal, this))
,vScrollBar(new QG_ScrollBar(Qt::Vertical, this))
,layout(new QGridLayout(this))
,gridStatus(new QLabel("-", this))
,curCad(new QCursor(QPixmap(":ui/cur_cad_bmp.png"), CURSOR_SIZE, CURSOR_SIZE))
,curDel(new QCursor(QPixmap(":ui/cur_del_bmp.png"), CURSOR_SIZE, CURSOR_SIZE))
,curSelect(new QCursor(QPixmap(":ui/cur_select_bmp.png"), CURSOR_SIZE, CURSOR_SIZE))
,curMagnifier(new QCursor(QPixmap(":ui/cur_glass_bmp.png"), CURSOR_SIZE, CURSOR_SIZE))
,curHand(new QCursor(QPixmap(":ui/cur_hand_bmp.png"), CURSOR_SIZE, CURSOR_SIZE))
,redrawMethod(RS2::RedrawAll)
,isSmoothScrolling(false)
{
RS_DEBUG->print("QG_GraphicView::QG_GraphicView()..");
RS_DEBUG->print(" Setting Container..");
if (doc) {
setContainer(doc);
doc->setGraphicView(this);
}
RS_DEBUG->print(" container set.");
setFactorX(4.0);
setFactorY(4.0);
setOffset(50, 50);
setBorders(10, 10, 10, 10);
if (doc) {
setDefaultAction(new RS_ActionDefault(*doc, *this));
}
layout->setMargin(0);
layout->setSpacing(0);
layout->setColumnStretch(0, 1);
layout->setColumnStretch(1, 0);
layout->setColumnStretch(2, 0);
layout->setRowStretch(0, 1);
layout->setRowStretch(1, 0);
hScrollBar->setSingleStep(50);
hScrollBar->setCursor(Qt::ArrowCursor);
layout->addWidget(hScrollBar, 1, 0);
layout->addItem(new QSpacerItem(0, hScrollBar->sizeHint().height()), 1, 0);
connect(hScrollBar, SIGNAL(valueChanged(int)),
this, SLOT(slotHScrolled(int)));
vScrollBar->setSingleStep(50);
vScrollBar->setCursor(Qt::ArrowCursor);
layout->addWidget(vScrollBar, 0, 2);
layout->addItem(new QSpacerItem(vScrollBar->sizeHint().width(), 0), 0, 2);
connect(vScrollBar, SIGNAL(valueChanged(int)),
this, SLOT(slotVScrolled(int)));
// Dummy widgets for scrollbar corners:
//layout->addWidget(new QWidget(this), 1, 1);
//QWidget* w = new QWidget(this);
//w->setEraseColor(QColor(255,0,0));
gridStatus->setAlignment(Qt::AlignRight);
layout->addWidget(gridStatus, 1, 1, 1, 2);
layout->addItem(new QSpacerItem(50, 0), 0, 1);
setMouseTracking(true);
// flickering under win:
//setFocusPolicy(WheelFocus);
setFocusPolicy(Qt::NoFocus);
// See https://sourceforge.net/tracker/?func=detail&aid=3289298&group_id=342582&atid=1433844 (Left-mouse drag shrinks window)
setAttribute(Qt::WA_NoMousePropagation);
int aa = RS_SETTINGS->readNumEntry("/Appearance/Antialiasing");
set_antialiasing(aa?true:false);
}