1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
-- Keyboard driver
Modifiers = {'lctrl', 'rctrl', 'lalt', 'ralt', 'lshift', 'rshift', 'lgui', 'rgui'}
function App.keypressed(key, scancode, isrepeat)
if array.find(Modifiers, key) then
-- do nothing when the modifier is pressed
return
end
-- include the modifier(s) when the non-modifer is pressed
App.keychord_press(App.combine_modifiers(key), key)
end
function App.combine_modifiers(key)
if love.keyboard.isModifierActive then -- waiting for LÖVE v12
if key:match('^kp') then
key = App.translate_numlock(key)
end
end
local result = ''
if App.ctrl_down() then
result = result..'C-'
end
if App.alt_down() then
result = result..'M-'
end
if App.shift_down() then
result = result..'S-' -- don't try to use this with letters/digits
end
if App.cmd_down() then
result = result..'s-'
end
result = result..key
return result
end
function App.any_modifier_down()
return App.ctrl_down() or App.alt_down() or App.shift_down() or App.cmd_down()
end
function App.ctrl_down()
return App.key_down('lctrl') or App.key_down('rctrl')
end
function App.alt_down()
return App.key_down('lalt') or App.key_down('ralt')
end
function App.shift_down()
return App.key_down('lshift') or App.key_down('rshift')
end
function App.cmd_down()
return App.key_down('lgui') or App.key_down('rgui')
end
function App.is_cursor_movement(key)
return array.find({'left', 'right', 'up', 'down', 'home', 'end', 'pageup', 'pagedown'}, key)
end
-- mappings only to non-printable keys; leave out mappings that textinput will handle
Numlock_off = {
kp0='insert',
kp1='end',
kp2='down',
kp3='pagedown',
kp4='left',
-- numpad 5 translates to nothing
kp6='right',
kp7='home',
kp8='up',
kp9='pageup',
['kp.']='delete',
-- LÖVE handles keypad operators in textinput
-- what's with the `kp=` and `kp,` keys? None of my keyboards have one.
-- Hopefully LÖVE handles them as well in textinput.
kpenter='enter',
kpdel='delete',
}
Numlock_on = {
kpenter='enter',
kpdel='delete',
}
function App.translate_numlock(key)
if love.keyboard.isModifierActive('numlock') then
return Numlock_on[key] or key
else
return Numlock_off[key] or key
end
return key
end
array = {}
function array.find(arr, elem)
if type(elem) == 'function' then
for i,x in ipairs(arr) do
if elem(x) then
return i
end
end
else
for i,x in ipairs(arr) do
if x == elem then
return i
end
end
end
return nil
end
function array.any(arr, f)
for i,x in ipairs(arr) do
local result = f(x)
if result then
return result
end
end
return false
end
|