104 lines
2.7 KiB
Lua
104 lines
2.7 KiB
Lua
-- mod-version:3 -- lite-xl 2.1
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local core = require "core"
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local common = require "core.common"
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local command = require "core.command"
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local config = require "core.config"
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local keymap = require "core.keymap"
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local style = require "core.style"
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local RootView = require "core.rootview"
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local CommandView = require "core.commandview"
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config.plugins.scale = common.merge({
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mode = "code",
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use_mousewheel = true
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}, config.plugins.scale)
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local scale_steps = 0.05
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local current_scale = SCALE
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local default_scale = SCALE
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local function set_scale(scale)
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scale = common.clamp(scale, 0.2, 6)
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-- save scroll positions
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local scrolls = {}
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for _, view in ipairs(core.root_view.root_node:get_children()) do
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local n = view:get_scrollable_size()
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if n ~= math.huge and not view:is(CommandView) and n > view.size.y then
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scrolls[view] = view.scroll.y / (n - view.size.y)
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end
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end
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local s = scale / current_scale
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current_scale = scale
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if config.plugins.scale.mode == "ui" then
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SCALE = scale
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style.padding.x = style.padding.x * s
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style.padding.y = style.padding.y * s
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style.divider_size = style.divider_size * s
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style.scrollbar_size = style.scrollbar_size * s
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style.caret_width = style.caret_width * s
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style.tab_width = style.tab_width * s
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for _, name in ipairs {"font", "big_font", "icon_font", "icon_big_font", "code_font"} do
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style[name] = renderer.font.copy(style[name], s * style[name]:get_size())
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end
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else
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style.code_font = renderer.font.copy(style.code_font, s * style.code_font:get_size())
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end
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for name, font in pairs(style.syntax_fonts) do
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style.syntax_fonts[name] = renderer.font.copy(font, s * font:get_size())
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end
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-- restore scroll positions
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for view, n in pairs(scrolls) do
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view.scroll.y = n * (view:get_scrollable_size() - view.size.y)
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view.scroll.to.y = view.scroll.y
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end
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core.redraw = true
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end
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local function get_scale()
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return current_scale
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end
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local function res_scale()
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set_scale(default_scale)
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end
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local function inc_scale()
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set_scale(current_scale + scale_steps)
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end
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local function dec_scale()
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set_scale(current_scale - scale_steps)
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end
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command.add(nil, {
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["scale:reset" ] = function() res_scale() end,
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["scale:decrease"] = function() dec_scale() end,
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["scale:increase"] = function() inc_scale() end,
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})
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keymap.add {
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["ctrl+0"] = "scale:reset",
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["ctrl+-"] = "scale:decrease",
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["ctrl+="] = "scale:increase",
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["ctrl+wheelup"] = "scale:increase",
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["ctrl+wheeldown"] = "scale:decrease"
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}
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return {
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["set"] = set_scale,
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["get"] = get_scale,
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["increase"] = inc_scale,
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["decrease"] = dec_scale,
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["reset"] = res_scale
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}
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