mirror of
https://github.com/koreader/koreader
synced 2024-11-13 19:11:25 +00:00
3066c86e38
This is a major overhaul of the hardware abstraction layer. A few notes: General platform distinction happens in frontend/device.lua which will delegate everything else to frontend/device/<platform_name>/device.lua which should extend frontend/device/generic/device.lua Screen handling is implemented in frontend/device/screen.lua which includes the *functionality* to support device specifics. Actually setting up the device specific functionality, however, is done in the device specific setup code in the relevant device.lua file. The same goes for input handling.
75 lines
2.3 KiB
Lua
75 lines
2.3 KiB
Lua
local _ = require("gettext")
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local Screen = require("device").screen
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local function dpi() return G_reader_settings:readSetting("screen_dpi") end
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local function custom() return G_reader_settings:readSetting("custom_screen_dpi") end
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local function setDPI(dpi)
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local InfoMessage = require("ui/widget/infomessage")
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local UIManager = require("ui/uimanager")
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UIManager:show(InfoMessage:new{
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text = _("This will take effect on next restart."),
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})
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Screen:setDPI(dpi)
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end
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return {
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text = _("Screen DPI"),
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sub_item_table = {
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{
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text = _("Auto"),
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checked_func = function()
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return dpi() == nil
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end,
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callback = function() setDPI() end
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},
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{
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text = _("Small"),
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checked_func = function()
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local dpi, custom = dpi(), custom()
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return dpi and dpi <= 140 and dpi ~= custom
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end,
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callback = function() setDPI(120) end
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},
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{
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text = _("Medium"),
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checked_func = function()
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local dpi, custom = dpi(), custom()
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return dpi and dpi > 140 and dpi <= 200 and dpi ~= custom
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end,
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callback = function() setDPI(160) end
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},
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{
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text = _("Large"),
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checked_func = function()
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local dpi, custom = dpi(), custom()
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return dpi and dpi > 200 and dpi ~= custom
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end,
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callback = function() setDPI(240) end
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},
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{
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text = _("Custom DPI") .. ": " .. (custom() or 160),
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checked_func = function()
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local dpi, custom = dpi(), custom()
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return custom and dpi == custom
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end,
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callback = function() setDPI(custom() or 160) end,
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hold_input = {
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title = _("Input screen DPI"),
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type = "number",
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hint = "(90 - 330)",
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callback = function(input)
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local dpi = tonumber(input)
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dpi = dpi < 90 and 90 or dpi
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dpi = dpi > 330 and 330 or dpi
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G_reader_settings:saveSetting("custom_screen_dpi", dpi)
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setDPI(dpi)
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end,
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},
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},
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}
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}
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