code: Fix clippy warnings

src/decoder/tiling.rs

@@ -117,7 +117,7 @@ impl Tile {
         snapshot.append_scaled_texture(&self.texture, options.scaling_filter, &area_with_bleed);
         snapshot.pop();
 
-        if std::env::var_os("LOUPE_TILING_DEBUG").map_or(false, |x| x.len() > 0) {
+        if std::env::var_os("LOUPE_TILING_DEBUG").is_some_and(|x| x.len() > 0) {
             snapshot.append_inset_shadow(
                 &gsk::RoundedRect::from_rect(area, 0.),
                 &gdk::RGBA::new(1., 0., 0., 0.7),
@@ -180,14 +180,14 @@ impl FrameBuffer {
     pub fn contains(&self, zoom: f64, coordinates: Coordinates) -> bool {
         self.images
             .front()
-            .map_or(false, |x| x.contains(zoom, coordinates))
+            .is_some_and(|x| x.contains(zoom, coordinates))
     }
 
     /// Returns true if there are no textures
     pub fn is_empty(&self) -> bool {
         self.images
             .front()
-            .map_or(false, |x| x.tile_layers.is_empty())
+            .is_some_and(|x| x.tile_layers.is_empty())
     }
 }
 

src/widgets/edit/crop_selection.rs

@@ -257,7 +257,7 @@ mod imp {
                             corner,
                             initial_selection: crop_area,
                         }));
-                    } else if hovered_widget.map_or(false, |x| x == *imp.selection) {
+                    } else if hovered_widget.is_some_and(|x| x == *imp.selection) {
                         gesture.set_state(gtk::EventSequenceState::Claimed);
 
                         let crop_area = imp.crop_area();

src/widgets/image/loading.rs

@@ -210,7 +210,7 @@ impl imp::LpImage {
                     let obj = self.obj().to_owned();
 
                     // current file got replaced with a new one
-                    let file_replace = obj.file().map_or(false, |x| x.equal(&file));
+                    let file_replace = obj.file().is_some_and(|x| x.equal(&file));
                     if file_replace {
                         log::debug!("Image got replaced {}", file.uri());
                         // TODO: error handling is missing

src/widgets/image_window.rs

@@ -438,10 +438,10 @@ mod imp {
 
     impl LpImageWindow {
         fn is_showing_image(&self) -> bool {
-            self.image_view.try_get().map_or(false, |image_view| {
+            self.image_view.try_get().is_some_and(|image_view| {
                 image_view
                     .current_page()
-                    .map_or(false, |page| page.image().error().is_none())
+                    .is_some_and(|page| page.image().error().is_none())
             })
         }
     }
@@ -778,7 +778,7 @@ impl LpImageWindow {
             .imp()
             .image_view
             .current_image()
-            .map_or(false, |x| x.editable());
+            .is_some_and(|x| x.editable());
         self.action_set_enabled(&Action::Edit, enable_editing);
     }
 

src/widgets/sliding_view.rs

@@ -509,7 +509,7 @@ impl LpSlidingView {
 
         if let Some(index) = self.index_of(page) {
             // Only unparent if far enough away to not be involved in delete animation
-            if current_index.map_or(false, |x| x.abs_diff(index) as isize > 1) {
+            if current_index.is_some_and(|x| x.abs_diff(index) as isize > 1) {
                 page.unparent();
             }
 
@@ -598,7 +598,7 @@ impl LpSlidingView {
         if let Some(index) = self.index_of(page) {
             if self
                 .current_index()
-                .map_or(false, |x| (x as i64 - index as i64).abs() == 1)
+                .is_some_and(|x| (x as i64 - index as i64).abs() == 1)
             {
                 self.step_to(page);
             } else {