Add debug command

comfortable-swipe.cpp

@@ -43,6 +43,9 @@ int main(int argc, char** args)
         else if (arg == "autostart")
             comfortable_swipe::service::autostart();
 
+        else if (arg == "debug")
+            comfortable_swipe::service::debug();
+
         else /* if (arg == "help") */
             comfortable_swipe::service::help();
     }

lib/comfortable_swipe

@@ -30,6 +30,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "gesture/swipe_gesture.regex.cpp"
 #include "service/autostart.cpp"
 #include "service/buffer.cpp"
+#include "service/debug.cpp"
 #include "service/help.cpp"
 #include "service/restart.cpp"
 #include "service/start.cpp"

lib/index.hpp

@@ -50,6 +50,7 @@ extern "C"
         {
             void autostart();
             void buffer();
+            void debug();
             void help();
             void restart();
             void start();

lib/service/debug.cpp

@@ -0,0 +1,35 @@
+#ifndef __COMFORTABLE_SWIPE__service_debug__
+#define __COMFORTABLE_SWIPE__service_debug__
+
+/*
+Comfortable Swipe
+by Rico Tiongson
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <cstdlib> // std::system
+
+namespace comfortable_swipe::service
+{
+    /**
+     * Debugs output from `libinput debug-events`.
+     */
+    void debug()
+    {
+        (void) std::system("stdbuf -oL -e0 libinput debug-events");
+    }
+}
+
+#endif /* __COMFORTABLE_SWIPE__service_debug__ */

lib/service/help.cpp

@@ -30,7 +30,7 @@ namespace comfortable_swipe::service
     void help()
     {
         using comfortable_swipe::util::conf_filename;
-        std::puts("comfortable-swipe [start|stop|restart|autostart|buffer|help]");
+        std::puts("comfortable-swipe [start|stop|restart|autostart|buffer|help|debug]");
         std::puts("");
         std::puts("start      - starts 3/4-finger gesture service");
         std::puts("stop       - stops 3/4-finger gesture service");
@@ -38,6 +38,7 @@ namespace comfortable_swipe::service
         std::puts("autostart  - automatically run on startup (toggleable)");
         std::puts("buffer     - parses output of libinput debug-events");
         std::puts("help       - shows the help dialog");
+        std::puts("debug      - logs raw output from input events taken from libinput");
         std::puts("");
         std::printf("Configuration file can be found in %s\n", conf_filename());
     }