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Handle generic joystick input

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Unmapped handheld controllers emit joystick events, leaving the launcher
cursor and in-game input inactive.
This commit is contained in:
johnjohto
2026-07-30 10:38:24 -04:00
parent 26dfad0682
commit 8a649e8d95
6 changed files with 167 additions and 1 deletions
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tests/input_hold_test.lua
+45
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@@ -46,6 +46,51 @@ Input:step()
check(Input:wasPressed("left"), "stick flick edges wasPressed")
check(not Input:isDown("left"), "stick flick does not stick isDown")
-- Linux handhelds without an SDL game-controller mapping send raw joystick
-- axes and D-pad hats instead of gamepad events.
Input:reset()
Input:joystickaxis(nil, 1, -0.9)
Input:step()
check(Input:isDown("left"), "raw joystick left axis holds left")
Input:joystickaxis(nil, 1, 0)
check(not Input:isDown("left"), "raw joystick axis release clears left")
Input:reset()
Input:joystickhat(nil, 1, "u")
Input:step()
check(Input:isDown("up"), "raw joystick hat holds up")
Input:joystickhat(nil, 1, "c")
check(not Input:isDown("up"), "raw joystick hat release clears up")
Input:reset()
Input:joystickpressed(nil, 1)
Input:step()
check(Input:isDown("a"), "raw joystick primary button presses A")
-- The launcher has a separate virtual cursor, so prove generic joystick
-- events reach its left-stick and D-pad state too.
local RomImporter = require("src.import.RomImporter")
local importer = setmetatable({
_padCursor = { x = 0, y = 0 }, _padCursorActive = false,
_padAxis = { leftx = 0, lefty = 0, righty = 0 },
_padDir = {}, _rawHatDirs = {}, _padInited = true,
}, RomImporter)
local clicked = false
function importer:mousepressed(_, _, button)
clicked = button == 1
end
importer:joystickaxis(nil, 1, -0.8)
check(importer._padAxis.leftx == -0.8,
"raw joystick left axis reaches the launcher cursor")
importer:joystickhat(nil, 1, "r")
check(importer._padDir.dpright,
"raw joystick hat reaches the launcher cursor")
importer:joystickhat(nil, 1, "c")
check(not importer._padDir.dpright,
"raw joystick hat release clears the launcher cursor")
importer:joystickpressed(nil, 1)
check(clicked, "raw joystick primary button clicks the launcher cursor")
-- Drivers that only inject pressQueue still get a one-step hold.
Input:reset()
table.insert(Input.pressQueue, "down")