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fix inverse zoom factors

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This commit is contained in:
Philippe Teuwen
2020-10-04 13:46:15 +02:00
parent 55bbbaf049
commit 6a87677273
1 changed files with 7 additions and 2 deletions
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9
client/src/proxguiqt.cpp
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@@ -697,10 +697,15 @@ void Plot::wheelEvent(QWheelEvent *event) {
x += GraphStart; x += GraphStart;
// event->angleDelta doesn't exist in QT4, both exist in 5.12.8 and 5.14.2 and event->delta doesn't exist in 5.15.0 // event->angleDelta doesn't exist in QT4, both exist in 5.12.8 and 5.14.2 and event->delta doesn't exist in 5.15.0
#if QT_VERSION >= 0x050d00 #if QT_VERSION >= 0x050d00
Zoom(1.0 - (float)event->angleDelta().y() / (120 / zoom_offset), x); float delta = event->angleDelta().y();
#else #else
Zoom(1.0 - (float)event->delta() / (120 / zoom_offset), x); float delta = event->delta();
#endif #endif
if (delta < 0) {
Zoom(1.0 - (float)delta / (120 / zoom_offset), x);
} else {
Zoom(1.0 / (1.0 + (float)delta / (120 / zoom_offset)), x);
}
} else { } else {
#if QT_VERSION >= 0x050d00 #if QT_VERSION >= 0x050d00
Move(PageWidth * (-(float)event->angleDelta().y() / (120 / move_offset))); Move(PageWidth * (-(float)event->angleDelta().y() / (120 / move_offset)));