90 lines
2.1 KiB
Lua
90 lines
2.1 KiB
Lua
Modifiers = {'lctrl', 'rctrl', 'lalt', 'ralt', 'lshift', 'rshift', 'lgui', 'rgui'}
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function love.keypressed(key, scancode, isrepeat)
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if array.find(Modifiers, key) then
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-- do nothing when the modifier is pressed
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return
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end
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-- include the modifier(s) when the non-modifer is pressed
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love.keychord_pressed(combine_modifiers(key), key)
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end
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function combine_modifiers(key)
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if love.keyboard.isModifierActive then -- waiting for LÖVE v12
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if key:match('^kp') then
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key = translate_numlock(key)
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end
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end
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local result = ''
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if ctrl_down() then
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result = result..'C-'
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end
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if alt_down() then
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result = result..'M-'
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end
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if shift_down() then
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result = result..'S-' -- don't try to use this with letters/digits
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end
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if cmd_down() then
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result = result..'s-'
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end
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result = result..key
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return result
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end
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function any_modifier_down()
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return ctrl_down() or alt_down() or shift_down() or cmd_down()
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end
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function ctrl_down()
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return Keys_down.lctrl or Keys_down.rctrl
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end
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function alt_down()
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return Keys_down.lalt or Keys_down.ralt
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end
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function shift_down()
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return Keys_down.lshift or Keys_down.rshift
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end
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function cmd_down()
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return Keys_down.lgui or Keys_down.rgui
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end
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function is_cursor_movement(key)
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return array.find({'left', 'right', 'up', 'down', 'home', 'end', 'pageup', 'pagedown'}, key)
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end
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-- mappings only to non-printable keys; leave out mappings that textinput will handle
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Numlock_off = {
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kp0='insert',
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kp1='end',
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kp2='down',
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kp3='pagedown',
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kp4='left',
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-- numpad 5 translates to nothing
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kp6='right',
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kp7='home',
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kp8='up',
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kp9='pageup',
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['kp.']='delete',
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-- LÖVE handles keypad operators in textinput
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-- what's with the `kp=` and `kp,` keys? None of my keyboards have one.
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-- Hopefully LÖVE handles them as well in textinput.
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kpenter='enter',
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kpdel='delete',
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}
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Numlock_on = {
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kpenter='enter',
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kpdel='delete',
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}
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function translate_numlock(key)
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if love.keyboard.isModifierActive('numlock') then
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return Numlock_on[key] or key
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else
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return Numlock_off[key] or key
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end
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return key
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end
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