/**
* Called whenever the graphic view has changed.
* Adjusts the scrollbar ranges / steps.
*/
void QG_GraphicView::adjustOffsetControls() {
static bool running = false;
if (running) {
return;
}
running = true;
RS_DEBUG->print("QG_GraphicView::adjustOffsetControls() begin");
if (container==NULL || hScrollBar==NULL || vScrollBar==NULL) {
return;
}
int ox = getOffsetX();
int oy = getOffsetY();
RS_Vector min = container->getMin();
RS_Vector max = container->getMax();
// no drawing yet - still allow to scroll
if (max.x < min.x+1.0e-6 ||
max.y < min.y+1.0e-6 ||
max.x > RS_MAXDOUBLE ||
max.x < RS_MINDOUBLE ||
min.x > RS_MAXDOUBLE ||
min.x < RS_MINDOUBLE ||
max.y > RS_MAXDOUBLE ||
max.y < RS_MINDOUBLE ||
min.y > RS_MAXDOUBLE ||
min.y < RS_MINDOUBLE ) {
min = RS_Vector(-10,-10);
max = RS_Vector(100,100);
}
int minVal = (int)(-ox-toGuiDX(getWidth())*0.5
- QG_SCROLLMARGIN - getBorderLeft());
int maxVal = (int)(-ox+toGuiDX(getWidth())*0.5
+ QG_SCROLLMARGIN + getBorderRight());
hScrollBar->setValue(0);
if (minVal<=maxVal) {
hScrollBar->setRange(minVal, maxVal);
}
//hScrollBar->setMinValue(minVal);
//hScrollBar->setMaxValue(maxVal);
minVal = (int)(oy-toGuiDY(getHeight())*0.5
- QG_SCROLLMARGIN - getBorderTop());
maxVal = (int)(oy+toGuiDY(getHeight())*0.5
+QG_SCROLLMARGIN + getBorderBottom());
if (minVal<=maxVal) {
vScrollBar->setRange(minVal, maxVal);
}
//vScrollBar->setMaxValue((int)(QG_SCROLLMARGIN + getBorderBottom()
// - (min.y * getFactor().y)));
//vScrollBar->setMinValue((int)(getHeight() -
// max.y * getFactor().y
// - QG_SCROLLMARGIN - getBorderTop()));
hScrollBar->setPageStep((int)(getWidth()));
vScrollBar->setPageStep((int)(getHeight()));
hScrollBar->setValue(-ox);
vScrollBar->setValue(oy);
slotHScrolled(-ox);
slotVScrolled(oy);
RS_DEBUG->print("H min: %d / max: %d / step: %d / value: %d\n",
hScrollBar->minimum(), hScrollBar->maximum(),
hScrollBar->pageStep(), ox);
// DEBUG_HEADER();
RS_DEBUG->print(/*RS_Debug::D_WARNING, */"V min: %d / max: %d / step: %d / value: %d\n",
vScrollBar->minimum(), vScrollBar->maximum(),
vScrollBar->pageStep(), oy);
RS_DEBUG->print("QG_GraphicView::adjustOffsetControls() end");
running = false;
}
/**
* Called whenever the graphic view has changed.
* Adjusts the scrollbar ranges / steps.
*/
void QG_GraphicView::adjustOffsetControls()
{
if (scrollbars)
{
static bool running = false;
if (running) {
return;
}
running = true;
if (container==NULL || hScrollBar==NULL || vScrollBar==NULL) {
return;
}
int ox = getOffsetX();
int oy = getOffsetY();
RS_Vector min = container->getMin();
RS_Vector max = container->getMax();
// no drawing yet - still allow to scroll
if (max.x < min.x+1.0e-6 ||
max.y < min.y+1.0e-6 ||
max.x > RS_MAXDOUBLE ||
max.x < RS_MINDOUBLE ||
min.x > RS_MAXDOUBLE ||
min.x < RS_MINDOUBLE ||
max.y > RS_MAXDOUBLE ||
max.y < RS_MINDOUBLE ||
min.y > RS_MAXDOUBLE ||
min.y < RS_MINDOUBLE ) {
min = RS_Vector(-10,-10);
max = RS_Vector(100,100);
}
auto factor = getFactor();
int minVal = (int)(-getWidth()*0.75
+ std::min(min.x, 0.)*factor.x);
int maxVal = (int)(-getWidth()*0.25
+ std::max(max.x, 0.)*factor.x);
if (minVal<=maxVal) {
hScrollBar->setRange(minVal, maxVal);
}
minVal = (int)(+getHeight()*0.25
- std::max(max.y, 0.)*factor.y);
maxVal = (int)(+getHeight()*0.75
- std::min(min.y, 0.)*factor.y);
if (minVal<=maxVal) {
vScrollBar->setRange(minVal, maxVal);
}
hScrollBar->setPageStep(getWidth());
vScrollBar->setPageStep(getHeight());
hScrollBar->setValue(-ox);
vScrollBar->setValue(oy);
slotHScrolled(-ox);
slotVScrolled(oy);
// RS_DEBUG->print("H min: %d / max: %d / step: %d / value: %d\n",
// hScrollBar->minimum(), hScrollBar->maximum(),
// hScrollBar->pageStep(), ox);
// RS_DEBUG->print(/*RS_Debug::D_WARNING, */"V min: %d / max: %d / step: %d / value: %d\n",
// vScrollBar->minimum(), vScrollBar->maximum(),
// vScrollBar->pageStep(), oy);
running = false;
}
}