[chinese] Add fcitx5 support

CHANGELOG.develop

@@ -1223,6 +1223,7 @@ Other:
 - Improvements:
   - Added variable =chinese-fcitx-use-dbus=, and fixed the misinformation about
     dbus in README.org (thanks to AmaiKinono)
+  - Added =fcitx5= support (thanks to wgjak47)
 - Fixes:
   - Make =fcitx.el= work by default (thanks to AmaiKinono)
 **** Chrome

layers/+intl/chinese/README.org

@@ -14,6 +14,7 @@
     - [[#configure-the-chinese-pyim-input-method-配置中文拼音输入法][Configure the =Chinese-pyim= Input Method (配置中文拼音输入法)]]
     - [[#configure-chinese-conv-配置简繁转换][Configure =chinese-conv= (配置简繁转换)]]
     - [[#enable-fcitx][Enable fcitx]]
+      - [[#enable-fcitx5][Enable Fcitx5]]
       - [[#requirement][Requirement]]
         - [[#linux][Linux]]
         - [[#macos][macOS]]
@@ -93,6 +94,16 @@ to replace the current selection in-place.
 If you don't need to type Chinese in minibuffer, you can temporarily disable fcitx in the minibuffer
 with the following configuration.
 
+**** Enable Fcitx5
+If you want to use fcitx5 instead of fcitx4, enable the variable
+=chinese-use-fcitx5=:
+#+BEGIN_SRC emacs-lisp
+  (setq-default dotspacemacs-configuration-layers
+                '((chinese :variables
+                           chinese-use-fcitx5 t
+                           chinese-enable-fcitx t)))
+#+END_SRC
+
 #+BEGIN_SRC emacs-lisp
   (fcitx-aggressive-setup)
 #+END_SRC

layers/+intl/chinese/config.el

@@ -23,6 +23,9 @@
 (defvar chinese-enable-fcitx nil
   "Enable fcitx to help writing Chinese in Evil mode.")
 
+(defvar chinese-use-fcitx5 nil
+  "Enable fcitx5 instead fcitx4.")
+
 (defvar chinese-fcitx-use-dbus nil
   "Use dbus interface for fcitx.el.")
 

layers/+intl/chinese/packages.el

@@ -30,6 +30,8 @@
     :config
     (progn
       (setq fcitx-active-evil-states '(insert emacs hybrid))
+      (when chinese-use-fcitx5
+        (setq fcitx-remote-command "fcitx5-remote"))
       (fcitx-default-setup)
       (fcitx-prefix-keys-add "M-m" "C-M-m")
       (when chinese-fcitx-use-dbus