From 18425fd98eae360ab4af07abe724658875e732ec Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Fri, 15 Feb 2019 22:27:32 +0100
Subject: Add custom script for cycling workspaces in touchegg

---
 gui/conf/touchegg.conf | 18 ------------------
 gui/pkgs/bin/uictrl.sh | 16 ++++++++++++++++
 gui/pkgs/uictrl.nix    |  9 +++++++++
 gui/touchegg.nix       | 18 +++++++++++++++++-
 4 files changed, 42 insertions(+), 19 deletions(-)
 delete mode 100644 gui/conf/touchegg.conf
 create mode 100755 gui/pkgs/bin/uictrl.sh
 create mode 100644 gui/pkgs/uictrl.nix

diff --git a/gui/conf/touchegg.conf b/gui/conf/touchegg.conf
deleted file mode 100644
index 2afb98b..0000000
--- a/gui/conf/touchegg.conf
+++ /dev/null
@@ -1,18 +0,0 @@
-<touchégg>
-
-<application name="All">
-
-<gesture type="DRAG" fingers="3" direction="LEFT">
-	<action type="SEND_KEYS">Control+j</action>
-</gesture>
-
-<gesture type="DRAG" fingers="3" direction="RIGHT">
-	<action type="SEND_KEYS">Control+k</action>
-</gesture>
-
-<gesture type="TAP" fingers="2">
-	<action type="MOUSE_CLICK">BUTTON=3</action>
-</gesture>
-
-</application>
-</touchégg>
diff --git a/gui/pkgs/bin/uictrl.sh b/gui/pkgs/bin/uictrl.sh
new file mode 100755
index 0000000..46c7219
--- /dev/null
+++ b/gui/pkgs/bin/uictrl.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env fish
+
+function cycle
+	set nsp_ws     (wmctrl -d | awk '{if ($9 == "NSP") {print $1}}')
+	set current_ws (wmctrl -d | awk '{if ($2 == "*")   {print $1}}')
+
+	wmctrl -l | awk -v current_ws=$current_ws -v nsp_ws=$nsp_ws '{if ($2 > current_ws && $2 != nsp_ws) {print $2}}' | uniq
+	wmctrl -l | awk -v current_ws=$current_ws -v nsp_ws=$nsp_ws '{if ($2 < current_ws && $2 != nsp_ws) {print $2}}' | uniq
+end
+
+switch $argv[1]
+	case next
+		wmctrl -s (cycle)[1]
+	case prev
+		wmctrl -s (cycle | tac)[1]
+end
diff --git a/gui/pkgs/uictrl.nix b/gui/pkgs/uictrl.nix
new file mode 100644
index 0000000..0c965ad
--- /dev/null
+++ b/gui/pkgs/uictrl.nix
@@ -0,0 +1,9 @@
+{ stdenv, pkgs, ... }:
+
+pkgs.writeTextFile {
+  name        = "uictrl";
+  executable  = true;
+  destination = "/bin/uictrl";
+
+  text = builtins.readFile ./bin/uictrl.sh;
+}
diff --git a/gui/touchegg.nix b/gui/touchegg.nix
index 1455da8..fee4344 100644
--- a/gui/touchegg.nix
+++ b/gui/touchegg.nix
@@ -1,7 +1,23 @@
 { pkgs, ... }:
 
 {
-  home.file.".config/touchegg/touchegg.conf".source = ./conf/touchegg.conf;
+  home.file.".config/touchegg/touchegg.conf".lines = let
+    uictrl = pkgs.lib.callPackageWith pkgs ./pkgs/uictrl.nix { };
+  in ''
+    <touchégg>
+    <application name="All">
+    <gesture type="DRAG" fingers="3" direction="LEFT">
+        <action type="RUN_COMMAND">${uictrl}/bin/uictrl prev</action>
+    </gesture>
+    <gesture type="DRAG" fingers="3" direction="RIGHT">
+        <action type="RUN_COMMAND">${uictrl}/bin/uictrl next</action>
+    </gesture>
+    <gesture type="TAP" fingers="2">
+        <action type="MOUSE_CLICK">BUTTON=3</action>
+    </gesture>
+    </application>
+    </touchégg>
+  '';
 
   systemd.user.services.touchegg = {
     Unit = {
-- 
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