Force queue gtk page redraw

This hopefully solves the rendering issues

flake.lock

@@ -1,5 +1,23 @@
 {
   "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "naersk": {
       "inputs": {
         "nixpkgs": "nixpkgs"
@@ -49,9 +67,9 @@
     },
     "root": {
       "inputs": {
+        "flake-utils": "flake-utils",
         "naersk": "naersk",
-        "nixpkgs": "nixpkgs_2",
-        "utils": "utils"
+        "nixpkgs": "nixpkgs_2"
       }
     },
     "systems": {
@@ -68,24 +86,6 @@
         "repo": "default",
         "type": "github"
       }
-    },
-    "utils": {
-      "inputs": {
-        "systems": "systems"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
     }
   },
   "root": "root",

src/ui.rs

@@ -473,6 +473,7 @@ fn handle_cache_response(ui: Rc<RefCell<Ui>>, cache_response: CacheResponse) {
                 }
 
                 image_left.set_paintable(Some(page.as_ref()));
+                image_left.queue_draw();
                 if canvas.num_pages.unwrap_or(0) > 1 {
                     // Make image invisible but keep free space in layout
                     image_right.set_opacity(0.0);
@@ -499,13 +500,21 @@ fn handle_cache_response(ui: Rc<RefCell<Ui>>, cache_response: CacheResponse) {
                 image_right.set_paintable(Some(page_right.as_ref()));
                 image_right.set_visible(true);
                 image_right.set_opacity(1.0);
+
+                image_left.queue_draw();
+                image_right.queue_draw();
+
                 canvas.cache_surrounding_pages(area_height);
             }
             cache::CacheResponse::PageResolutionUpgraded { page_number, page } => {
                 if canvas.is_left_page(page_number) {
                     image_left.set_paintable(Some(page.as_ref()));
+
+                    image_left.queue_draw();
                 } else if canvas.is_right_page(page_number) {
                     image_right.set_paintable(Some(page.as_ref()));
+
+                    image_right.queue_draw();
                 }
             }
         }