Refactor GTK settings and Steam dependencies

nixos/gaming/steam/default.nix

@@ -9,35 +9,49 @@
     package = pkgs.steam.override {
       extraEnv = {
         STEAM_USE_PORTAL = "1";
+        GTK_USE_PORTAL = "1";
+        PRESSURE_VESSEL_VERBOSE = "0";
       };
-      extraPkgs = p: with p; [
-        xdg-desktop-portal
-        xdg-desktop-portal-gtk
-        liberation_ttf
-        wqy_zenhei
-        corefonts
-        vista-fonts
-        libXcursor
-        libXi
-        libXinerama
-        libXScrnSaver
-        libgpg-error
-        libkrb5
-        keyutils
-        bash
-        coreutils
-        libpng
-        libpulseaudio
-        libvorbis
-        stdenv.cc.cc.lib
-        gamemode
-        zenity
-        pkgsi686Linux.libgcc
-        pkgsi686Linux.glibc
-        pkgsi686Linux.mesa
-      ];
+      extraPkgs =
+        p: with p; [
+          xdg-desktop-portal
+          xdg-desktop-portal-gtk
+          liberation_ttf
+          wqy_zenhei
+          corefonts
+          vista-fonts
+          libXcursor
+          libXi
+          libXinerama
+          libXScrnSaver
+          libgpg-error
+          libkrb5
+          keyutils
+          bash
+          coreutils
+          libpng
+          libpulseaudio
+          libvorbis
+          stdenv.cc.cc.lib
+          gamemode
+          zenity
+          # pressure-vessel için gerekli
+          glib
+          dbus
+          at-spi2-atk
+          atk
+          pkgsi686Linux.libgcc
+          pkgsi686Linux.glibc
+          pkgsi686Linux.mesa
+          pkgsi686Linux.libGL
+          pkgsi686Linux.libpulseaudio
+        ];
     };
     gamescopeSession.enable = true;
   };
   programs.bash.enable = true;
+  hardware.graphics.enable = true;
+  environment.systemPackages = with pkgs; [
+    protontricks
+  ];
 }