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local core = require "core"
local command = require "core.command"
local config = require "core.config"
local keymap = require "core.keymap"
local style = require "core.style"
config.scale_mode = "code"
local font_cache = setmetatable({}, { __mode = "k" })
-- the following should be kept in sync with core.style's default font settings
font_cache[style.font] = { EXEDIR .. "/data/fonts/font.ttf", 14 * SCALE }
font_cache[style.big_font] = { EXEDIR .. "/data/fonts/font.ttf", 34 * SCALE }
font_cache[style.icon_font] = { EXEDIR .. "/data/fonts/icons.ttf", 14 * SCALE }
font_cache[style.code_font] = { EXEDIR .. "/data/fonts/monospace.ttf", 13.5 * SCALE }
local load_font = renderer.font.load
function renderer.font.load(...)
local res = load_font(...)
font_cache[res] = { ... }
return res
end
local function scale_font(font, s)
local fc = font_cache[font]
return renderer.font.load(fc[1], fc[2] * s)
end
local current_scale = SCALE
local default = current_scale
local function set_scale(scale)
local s = scale / current_scale
current_scale = scale
if config.scale_mode == "ui" then
style.padding.x = style.padding.x * s
style.padding.y = style.padding.y * s
style.divider_size = style.divider_size * s
style.scrollbar_size = style.scrollbar_size * s
style.caret_width = style.caret_width * s
style.tab_width = style.tab_width * s
style.big_font = scale_font(style.big_font, s)
style.icon_font = scale_font(style.icon_font, s)
style.font = scale_font(style.font, s)
SCALE = current_scale
end
style.code_font = scale_font(style.code_font, s)
core.redraw = true
end
command.add(nil, {
["scale:reset" ] = function() set_scale(default) end,
["scale:decrease"] = function() set_scale(current_scale * 0.9) end,
["scale:increase"] = function() set_scale(current_scale * 1.1) end,
})
keymap.add {
["ctrl+0"] = "scale:reset",
["ctrl+-"] = "scale:decrease",
["ctrl+="] = "scale:increase",
}
return { set_scale = set_scale }
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