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image: Fix pan direction for pinch on touchscreen

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This commit is contained in:
Sophie Herold 2023-02-12 01:00:38 +01:00 • committed by Christopher Davis
parent 004ebd5615
commit 449742173b
1 changed files with 2 additions and 2 deletions
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4
src/widgets/image.rs
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@ -416,8 +416,8 @@ mod imp {
if gesture.device().map(|x| x.source()) == Some(gdk::InputSource::Touchscreen) {
if let p1 @ Some((x1, y1)) = gesture.bounding_box_center() {
if let Some((x0, y0)) = obj.imp().zoom_gesture_center.get() {
hadjustment.set_value(hadjustment.value() + x1 - x0);
vadjustment.set_value(vadjustment.value() + y1 - y0);
hadjustment.set_value(hadjustment.value() + x0 - x1);
vadjustment.set_value(vadjustment.value() + y0 - y1);
} else {
log::warn!("Zoom bounding box center: No previous value");
}