Merge pull request #3275 from taku0/gtk-env

uim, gtk-exe-env, qt-plugin-env: Add input method modules for GTK+ and Qt

nixos/modules/programs/environment.nix

@@ -52,7 +52,7 @@ in
         STRIGI_PLUGIN_PATH = [ "${i}/lib/strigi/" ];
         QT_PLUGIN_PATH = [ "${i}/lib/qt4/plugins" "${i}/lib/kde4/plugins" ];
         QTWEBKIT_PLUGIN_PATH = [ "${i}/lib/mozilla/plugins/" ];
-        GTK_PATH = [ "${i}/lib/gtk-2.0" ];
+        GTK_PATH = [ "${i}/lib/gtk-2.0" "${i}/lib/gtk-3.0" ];
         XDG_CONFIG_DIRS = [ "${i}/etc/xdg" ];
         XDG_DATA_DIRS = [ "${i}/share" ];
         MOZ_PLUGIN_PATH = [ "${i}/lib/mozilla/plugins" ];

nixos/modules/programs/uim.nix

@@ -0,0 +1,29 @@
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let
+  cfg = config.uim;
+in
+{
+  options = {
+    uim = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        example = true;
+        description = "enable UIM input method";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    environment.systemPackages = [ pkgs.uim ];
+    gtkPlugins = [ pkgs.uim ];
+    qtPlugins = [ pkgs.uim ];
+    environment.variables.GTK_IM_MODULE = "uim";
+    environment.variables.QT_IM_MODULE = "uim";
+    environment.variables.XMODIFIERS = "@im=uim";
+    services.xserver.displayManager.sessionCommands = "uim-xim &";
+  };
+}