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57 lines
1.6 KiB
Lua
57 lines
1.6 KiB
Lua
local Generic = require("device/generic/device")
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local util = require("ffi/util")
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local DEBUG = require("dbg")
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local function yes() return true end
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local function no() return false end
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local Device = Generic:new{
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model = "SDL",
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isSDL = yes,
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hasKeyboard = yes,
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hasKeys = yes,
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hasDPad = yes,
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hasFrontlight = yes,
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isTouchDevice = yes,
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needsScreenRefreshAfterResume = no,
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}
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function Device:init()
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-- allows to set a viewport via environment variable
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-- syntax is Lua table syntax, e.g. EMULATE_READER_VIEWPORT="{x=10,w=550,y=5,h=790}"
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local viewport = os.getenv("EMULATE_READER_VIEWPORT")
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if viewport then
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self.viewport = require("ui/geometry"):new(loadstring("return " .. viewport)())
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end
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local portrait = os.getenv("EMULATE_READER_FORCE_PORTRAIT")
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if portrait then
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self.isAlwaysPortrait = yes
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end
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if util.haveSDL2() then
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self.screen = require("ffi/framebuffer_SDL2_0"):new{device = self, debug = DEBUG}
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self.input = require("device/input"):new{
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device = self,
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event_map = require("device/sdl/event_map_sdl2"),
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}
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else
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self.screen = require("ffi/framebuffer_SDL1_2"):new{device = self, debug = DEBUG}
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self.input = require("device/input"):new{
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device = self,
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event_map = require("device/sdl/event_map_sdl"),
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}
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end
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if portrait then
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self.input:registerEventAdjustHook(self.input.adjustTouchSwitchXY)
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self.input:registerEventAdjustHook(
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self.input.adjustTouchMirrorX,
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self.screen:getScreenWidth()
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)
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end
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Generic.init(self)
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end
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return Device
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