allow customizing the theme colors

2 files changed, 25 insertions, 19 deletions

diff --git a/README.rst b/README.rst
index f738fc0..4e42677 100644
--- a/README.rst
+++ b/README.rst
@@ -88,24 +88,30 @@ Customization
 
 - To change the prompt key (``prefix`` + ``C``), specify your key in ``TMUX_COLORTAG_KEY``.
 
-- If you don't like the existing powerline symbols, feel free to change them by
-  specifying the following environment variables to override the default:
+- TIP: If you love the status bar on the top (instead of at the bottom by default in tmux), add ``set-option -g status-position top`` to your config file
+
+- Other tweakable variables:
 
   - ``TMUX_ARROW_SYMBOL_L1``
   - ``TMUX_ARROW_SYMBOL_L2``
   - ``TMUX_ARROW_SYMBOL_R1``
   - ``TMUX_ARROW_SYMBOL_R2``
-
-- TIP: If you love the status bar on the top (instead of at the bottom by default in tmux), add ``set-option -g status-position top`` to your config file
-
-- For the best experience, this plugin assumes a short status update
-  interval. To change it back, specify ``TMUX_COLORTAG_SET_INTERVAL=no`` or
-  directly override the setting in your tmux config file.
-
-- If you only want to color the tags (without changing other styles
-  such as borders), specify ``TMUX_COLORTAG_TAG_ONLY=yes``.
-
-- ``TMUX_COLORTAG_IDX_SEP`` controls the separator between the window index and name.
+  - ``TMUX_COLORTAG_SET_INTERVAL``: for the best experience, this plugin
+    assumes a short status update interval. To change it back, make it ``no`` or
+    directly override the setting in your tmux config file.
+
+  - ``TMUX_COLORTAG_TAG_ONLY``: if you only want to color the tags (without
+    changing other styles such as borders), make it ``yes``.
+
+  - ``TMUX_COLORTAG_IDX_SEP``: controls the separator between the window index and name.
+  - Theme colors (value example: "colour123")
+
+    - ``colortag_bg0``
+    - ``colortag_bg1``
+    - ``colortag_white0``: font color of the active tag
+    - ``colortag_white1``: color of the active pane border
+    - ``colortag_lightgray``
+    - ``colortag_darkgray``
 
 Update to the Latest Version
 ============================
diff --git a/tmux-colortag.tmux b/tmux-colortag.tmux
index 0890ee8..747c621 100755
--- a/tmux-colortag.tmux
+++ b/tmux-colortag.tmux
@@ -11,12 +11,12 @@ if [[ "$TMUX_COLORTAG_SET_INTERVAL" == yes ]]; then
     tmux set -g status-interval 2
 fi
 
-bg0=colour235
-bg1=colour237
-white0=colour255
-white1=colour250
-lightgray=colour248
-darkgray=colour241
+bg0=${colortag_bg0:-colour235}
+bg1=${colortag_bg1:-colour237}
+white0=${colortag_white0:-colour255}
+white1=${colortag_white1:-colour250}
+lightgray=${colortag_lightgray:-colour248}
+darkgray=${colortag_darkgray:-colour241}
 
 if [[ "$TMUX_COLORTAG_TAG_ONLY" != yes ]]; then
     tmux set -g message-style fg=$bg1,bg=$lightgray