home/fuji: fix qutebrowser flicker, fix kde crashes

home/fuji/home.nix

@@ -43,8 +43,8 @@ in
   };
   qt = {
     enable = true;
-    style.name = "adwaita-dark";
-    platformTheme.name = "gtk";
+    style.name = "breeze";
+    platformTheme.name = "kde6";
   };
 
   fonts.fontconfig.enable = true;
@@ -182,12 +182,12 @@ in
       };
 
       settings = {
-        # Workaround for QtWebEngine screen flicker/flash on Wayland+Intel
         qt.args = [
-          "disable-gpu-compositing"
-          "enable-features=VaapiVideoDecoder,VaapiVideoEncoder"
+          "ignore-gpu-blocklist"
+          "disable-gpu-memory-buffer-video-frames=false"
+          "enable-features=VaapiIgnoreDriverChecks,VaapiVideoDecoder,AcceleratedVideoDecoder,AcceleratedVideoDecodeLinuxGL,AcceleratedVideoEncoder,Vulkan,DefaultANGLEVulkan,VulkanFromANGLE,FluentOverlayScrollbar,MiddleClickAutoscroll"
         ];
-        colors.webpage.preferred_color_scheme = "dark";
+
         content.notifications.enabled = false;
         content.pdfjs = true;
         content.webgl = false;
@@ -209,6 +209,9 @@ in
         tabs.width = "12%";
         zoom.default = "125%";
       };
+      extraConfig = ''
+        c.qt.environ = {"QTWEBENGINE_FORCE_USE_GBM": "0"}
+      '';
     };
 
     git = {
@@ -285,11 +288,6 @@ in
             ${pkgs.coreutils}/bin/rm $ALL_IMGS
         '';
       in
-        /*
-        refresh_i3status = pkgs.writeShellScriptBin "refresh_i3status" ''
-          ${pkgs.coreutils}/bin/sleep 1 && ${pkgs.procps}/bin/pkill -USR1 i3status-rs
-        '';
-        */
       {
         enable = true;
         events = {