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image: More fine-grained zoom instructions

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Add parameters to use zoom_to without animation or
snapping to best fit. Hopefully fixing 100%/200% snapping
to best fit when close to filling the window and
fixing high res scroll wheel bugs.

Closes #120, #134

Part-of: <https://gitlab.gnome.org/Incubator/loupe/-/merge_requests/177>
This commit is contained in:
Sophie Herold 2023-04-13 04:52:14 +02:00 • committed by Marge Bot
parent 44e265374b
commit e96b9ccac9
4 changed files with 55 additions and 47 deletions
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12
src/window.rs
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@ -134,8 +134,8 @@ mod imp {
win.zoom_in();
});
klass.install_action("win.zoom-to", Some("d"), move |win, _, level| {
win.zoom_to(level.unwrap().get().unwrap());
klass.install_action("win.zoom-to-exact", Some("d"), move |win, _, level| {
win.zoom_to_exact(level.unwrap().get().unwrap());
});
klass.install_action("win.zoom-best-fit", None, move |win, _, _| {
@ -391,8 +391,10 @@ impl LpWindow {
self.imp().image_view.zoom_in();
}
fn zoom_to(&self, level: f64) {
self.imp().image_view.zoom_to(level);
fn zoom_to_exact(&self, level: f64) {
if let Some(image) = self.imp().image_view.current_image() {
image.zoom_to_exact(level);
}
}
fn zoom_best_fit(&self) {
@ -579,7 +581,7 @@ impl LpWindow {
self.action_set_enabled("win.copy", enabled);
self.action_set_enabled("win.trash", enabled);
self.action_set_enabled("win.zoom-best-fit", enabled);
self.action_set_enabled("win.zoom-to", enabled);
self.action_set_enabled("win.zoom-to-exact", enabled);
self.action_set_enabled("win.toggle-properties", enabled);
}