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window: New way to detect own window in d+d

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This is a (hopefully) cleaner way to detect if we are
dragging out of the own window to not show drag indicator
in that case.

Part-of: <https://gitlab.gnome.org/GNOME/loupe/-/merge_requests/258>
This commit is contained in:
Sophie Herold 2023-07-15 20:21:00 +02:00
parent 78b16518e5
commit cf8fa499d9
2 changed files with 12 additions and 20 deletions
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17
src/window.rs
View file

@ -377,23 +377,10 @@ mod imp {
self.drop_target.set_types(&[gdk::FileList::static_type()]);
//only accept drops from out side the app
//https://gitlab.gnome.org/GNOME/Incubator/loupe/-/merge_requests/244#note_1788260
// Only accept drops from external sources or different windows
self.drop_target.connect_accept(
clone!(@weak obj => @default-return false, move |_drop_target, drop| {
//drag is between Loupe windows
if let Some(drop) = drop.drag() {
let file = drop
.content()
.value(gdk::FileList::static_type())
.ok()
.and_then(|value| value.get::<gdk::FileList>().ok())
.and_then(|files| files.files().first().and_then(|file| file.path()));
let current_image = obj.image_view().current_file().and_then(|file| file.path());
return file.ne(&current_image);
}
//drag from another window, should always be accepted
true
drop.drag().is_none() || drop.drag() != obj.image_view().drag_source().drag()
}),
);