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gizmos fixed when zooming, also fixes #467 #466

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itsmattkc
2019-02-09 15:10:02 -08:00
parent a9897f1b10
commit 16c6c40a76
2 changed files with 56 additions and 48 deletions
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ui/viewercontainer.cpp
+42 -42
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@@ -69,64 +69,64 @@ void ViewerContainer::adjust() {
vertical_scrollbar->setVisible(false);
int zoomed_width = qRound(double(viewer->seq->width)*zoom);
int zoomed_height = qRound(double(viewer->seq->height)*zoom);
int zoomed_height = qRound(double(viewer->seq->height)*zoom);
if (fit || zoomed_width > width() || zoomed_height > height()) {
// if the zoom size is greater than or equal to the available area, only use the available area
if (fit || zoomed_width > width() || zoomed_height > height()) {
// if the zoom size is greater than or equal to the available area, only use the available area
double aspect_ratio = double(viewer->seq->width)/double(viewer->seq->height);
double aspect_ratio = double(viewer->seq->width)/double(viewer->seq->height);
int widget_x = 0;
int widget_y = 0;
int widget_width = width();
int widget_height = height();
int widget_x = 0;
int widget_y = 0;
int widget_width = width();
int widget_height = height();
if (!fit) {
if (!fit) {
widget_width -= vertical_scrollbar->sizeHint().width();
widget_height -= horizontal_scrollbar->sizeHint().height();
}
if (fit) {
double widget_ar = double(widget_width) / double(widget_height);
double widget_ar = double(widget_width) / double(widget_height);
bool widget_is_wider_than_sequence = widget_ar > aspect_ratio;
bool widget_is_wider_than_sequence = widget_ar > aspect_ratio;
if (widget_is_wider_than_sequence) {
widget_width = widget_height * aspect_ratio;
widget_x = (width() / 2) - (widget_width / 2);
} else {
widget_height = widget_width / aspect_ratio;
widget_y = (height() / 2) - (widget_height / 2);
}
zoom = double(widget_width) / double(viewer->seq->width);
} else if (zoomed_width > width() || zoomed_height > height()) {
horizontal_scrollbar->setVisible(true);
vertical_scrollbar->setVisible(true);
horizontal_scrollbar->setMaximum(zoomed_width - width());
vertical_scrollbar->setMaximum(zoomed_height - height());
horizontal_scrollbar->setValue(horizontal_scrollbar->maximum()/2);
vertical_scrollbar->setValue(vertical_scrollbar->maximum()/2);
adjust_scrollbars();
}
if (widget_is_wider_than_sequence) {
widget_width = widget_height * aspect_ratio;
widget_x = (width() / 2) - (widget_width / 2);
} else {
widget_height = widget_width / aspect_ratio;
widget_y = (height() / 2) - (widget_height / 2);
}
child->move(widget_x, widget_y);
child->resize(widget_width, widget_height);
} else {
// if the zoom size is smaller than the available area, scale the surface down
int zoomed_x = 0;
int zoomed_y = 0;
if (fit) {
zoom = double(widget_width) / double(viewer->seq->width);
} else if (zoomed_width > width() || zoomed_height > height()) {
horizontal_scrollbar->setVisible(true);
vertical_scrollbar->setVisible(true);
if (zoomed_width < width()) zoomed_x = (width()>>1)-(zoomed_width>>1);
if (zoomed_height < height()) zoomed_y = (height()>>1)-(zoomed_height>>1);
horizontal_scrollbar->setMaximum(zoomed_width - width());
vertical_scrollbar->setMaximum(zoomed_height - height());
child->move(zoomed_x, zoomed_y);
child->resize(zoomed_width, zoomed_height);
}
horizontal_scrollbar->setValue(horizontal_scrollbar->maximum()/2);
vertical_scrollbar->setValue(vertical_scrollbar->maximum()/2);
adjust_scrollbars();
}
} else {
// if the zoom size is smaller than the available area, scale the surface down
int zoomed_x = 0;
int zoomed_y = 0;
if (zoomed_width < width()) zoomed_x = (width()>>1)-(zoomed_width>>1);
if (zoomed_height < height()) zoomed_y = (height()>>1)-(zoomed_height>>1);
child->move(zoomed_x, zoomed_y);
child->resize(zoomed_width, zoomed_height);
}
}
}
}