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e8192c8a04
* It was unclear that you needed to hold to set DPI, see https://github.com/koreader/koreader/issues/2589#issuecomment-445471384 * Up the DPI limit to 900 as several Android devices have already breached 800. This will increase the possibility of crashes due to a higher setting even on relatively high-DPI devices, but that was always already an issue. * Also brings the custom DPI dialog box in line with the UX guidelines as per <http://koreader.rocks/doc/modules/ui.widget.confirmbox.html>.
77 lines
2.4 KiB
Lua
77 lines
2.4 KiB
Lua
local _ = require("gettext")
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local Screen = require("device").screen
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local T = require("ffi/util").template
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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 after restarting."),
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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 = T(_("Custom DPI: %1 (hold to set)"), 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 = _("Enter custom screen DPI"),
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type = "number",
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hint = "(90 - 900)",
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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 > 900 and 900 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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ok_text = _("Set custom DPI"),
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},
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},
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}
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}
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