feat: add vscode again, to get the best experience of copilot chat

home/linux/desktop/base/xdg.nix

@@ -30,14 +30,17 @@
     #  ls /etc/profiles/per-user/ryan/share/applications/
     mimeApps = {
       enable = true;
+      # let `xdg-open` to open the url with the correct application.
       defaultApplications = let
         browser = ["firefox.desktop"];
+        editor = ["nvim.desktop" "Helix.desktop" "code.desktop" "code-insiders.desktop"];
       in {
         "application/json" = browser;
         "application/pdf" = browser; # TODO: pdf viewer
 
         "text/html" = browser;
         "text/xml" = browser;
+        "text/plain" = editor;
         "application/xml" = browser;
         "application/xhtml+xml" = browser;
         "application/xhtml_xml" = browser;
@@ -48,12 +51,18 @@
         "application/x-extension-shtml" = browser;
         "application/x-extension-xht" = browser;
         "application/x-extension-xhtml" = browser;
+        "application/x-wine-extension-ini" = editor;
 
-        "x-scheme-handler/about" = browser;
+        # define default applications for some url schemes.
-        "x-scheme-handler/ftp" = browser;
+        "x-scheme-handler/about" = browser; # open `about:` url with `browser`
+        "x-scheme-handler/ftp" = browser; # open `ftp:` url with `browser`
         "x-scheme-handler/http" = browser;
         "x-scheme-handler/https" = browser;
-        "x-scheme-handler/unknown" = browser;
+        # https://github.com/microsoft/vscode/issues/146408
+        "x-scheme-handler/vscode" = ["code-url-handler.desktop"]; # open `vscode://` url with `code-url-handler.desktop`
+        "x-scheme-handler/vscode-insiders" = ["code-insiders-url-handler.desktop"]; # open `vscode-insiders://` url with `code-insiders-url-handler.desktop`
+        # all other unknown schemes will be opened by this default application.
+        # "x-scheme-handler/unknown" = editor;
 
         "x-scheme-handler/discord" = ["discord.desktop"];
         "x-scheme-handler/tg" = ["org.telegram.desktop.desktop "];

home/linux/desktop/hyprland/values/wayland-apps.nix

@@ -58,5 +58,34 @@
       enableGnomeExtensions = false;
       package = pkgs.firefox-wayland; # firefox with wayland support
     };
+
+    vscode = {
+      enable = true;
+      # let vscode sync and update its configuration & extensions across devices, using github account.
+      userSettings = {};
+      package =
+        (pkgs.vscode.override
+          {
+            isInsiders = true;
+            commandLineArgs = [
+              # "--disable-gpu"
+              # make it use text-input-v1, which works for kwin 5.27 and weston
+              "--enable-features=UseOzonePlatform"
+              "--ozone-platform=wayland"
+              "--enable-wayland-ime"
+              # TODO: fix https://github.com/microsoft/vscode/issues/187436
+              # still not works...
+              "--password-store=gnome" # use gnome-keyring as password store
+            ];
+          })
+        .overrideAttrs (oldAttrs: rec {
+          # Use VSCode Insiders to fix crash: https://github.com/NixOS/nixpkgs/issues/246509
+          src = builtins.fetchTarball {
+            url = "https://update.code.visualstudio.com/latest/linux-x64/insider";
+            sha256 = "0k2sh7rb6mrx9d6bkk2744ry4g17d13xpnhcisk4akl4x7dn6a83";
+          };
+          version = "latest";
+        });
+    };
   };
 }

home/linux/desktop/i3/values/x11-apps.nix

@@ -1,9 +1,12 @@
-{pkgs, ...}: {
+{
+  pkgs,
+  pkgs-unstable,
+  ...
+}: {
   home.packages = with pkgs; [
     firefox
   ];
 
-  # TODO vscode & chrome both have wayland support, but they don't work with fcitx5, need to fix it.
   programs = {
     # source code: https://github.com/nix-community/home-manager/blob/master/modules/programs/chromium.nix
     google-chrome = {
@@ -16,5 +19,11 @@
       # commandLineArgs = [
       # ];
     };
+    vscode = {
+      enable = true;
+      package = pkgs-unstable.vscode;
+      # let vscode sync and update its configuration & extensions across devices, using github account.
+      # userSettings = {};
+    };
   };
 }