New: Usr: Added user customizable button press behaviour for the volumearc widget

This allows the user to override the default implementation in his/her own config upon the widget creation

2 files changed, 9 insertions, 3 deletions

diff --git a/volumearc-widget/README.md b/volumearc-widget/README.md
index 5fc0a5b..8f13bbf 100644
--- a/volumearc-widget/README.md
+++ b/volumearc-widget/README.md
@@ -25,6 +25,7 @@ It is possible to customize widget by providing a table with all or some of the
 | `inc_volume_cmd` | `amixer -D pulse sset Master 5%+` | Increase volume level |
 | `dec_volume_cmd` | `amixer -D pulse sset Master 5%-` | Decrease volume level |
 | `tog_volume_cmd` | `amixer -D pulse sset Master toggle` | Mute / unmute |
+| `button_press` | `function(_, _, _, button) <sane default logic> end` | Overwrite the 'button\_press' signal for this widget |
 
 ### Example:
 
@@ -33,7 +34,11 @@ volumearc_widget({
     main_color = '#af13f7',
     mute_color = '#ff0000',
     thickness = 5,
-    height = 25
+    height = 25,
+    button_press = function(_, _, _, button)   -- Overwrites the button press behaviour to open pavucontrol when clicked
+        if (button == 1) then awful.spawn('pavucontrol --tab=3', false)
+        end
+    end
 })
 ```
 
diff --git a/volumearc-widget/volumearc.lua b/volumearc-widget/volumearc.lua
index eb2ff68..c582c10 100644
--- a/volumearc-widget/volumearc.lua
+++ b/volumearc-widget/volumearc.lua
@@ -69,7 +69,7 @@ local function worker(args)
                 or { main_color }
     end
 
-    volumearc:connect_signal("button::press", function(_, _, _, button)
+    local button_press = args.button_press or  function(_, _, _, button)
         if (button == 4) then awful.spawn(inc_volume_cmd, false)
         elseif (button == 5) then awful.spawn(dec_volume_cmd, false)
         elseif (button == 1) then awful.spawn(tog_volume_cmd, false)
@@ -78,7 +78,8 @@ local function worker(args)
         spawn.easy_async(get_volume_cmd, function(stdout, stderr, exitreason, exitcode)
             update_graphic(volumearc, stdout, stderr, exitreason, exitcode)
         end)
-    end)
+    end
+    volumearc:connect_signal("button::press", button_press)
 
     watch(get_volume_cmd, 1, update_graphic, volumearc)