handle chords

For shift we'll mostly rely on love.textinput. For the rest I've created
a simple driver.

1 files changed, 25 insertions, 0 deletions

diff --git a/keychord.lua b/keychord.lua
new file mode 100644
index 0000000..d9b89f5
--- /dev/null
+++ b/keychord.lua
@@ -0,0 +1,25 @@
+-- Keyboard driver
+
+function love.keypressed(key, scancode, isrepeat)
+  if key == 'lctrl' or key == 'rctrl' or key == 'lalt' or key == 'ralt' or key == 'lshift' or key == 'rshift' or key == 'lgui' or key == 'rgui' then
+    -- do nothing when the modifier is pressed
+  end
+  -- include the modifier(s) when the non-modifer is pressed
+  keychord_pressed(combine_modifiers(key))
+end
+
+function combine_modifiers(key)
+  local result = ''
+  local down = love.keyboard.isDown
+  if down('lctrl') or down('rctrl') then
+    result = result..'C-'
+  end
+  if down('lalt') or down('ralt') then
+    result = result..'M-'
+  end
+  if down('lgui') or down('rgui') then
+    result = result..'S-'
+  end
+  result = result..key
+  return result
+end