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-- mod-version:3
--[[
Author: techie-guy
Plugin to customize the caret in the editor
Thanks to @Guldoman for the initial example on Discord
Features
Change the Color and Opacity of the caret
Change the Shape of the caret, available shapes are Line, Block, Underline
Customizing the Caret: (this can be changed from the .config/lite-xl/init.lua file or from the settings menu plugin)
config.plugins.custom_caret.shape - Change the shape of the caret [string]
style.caret - Change the rgba color of the caret [table]
Example Config(in the .config/lite-xl/init.lua)
style.caret = {0, 255, 255, 150}
config.plugins.custom_caret.shape = "block"
]]
local core = require "core"
local style = require "core.style"
local common = require "core.common"
local config = require "core.config"
local DocView = require "core.docview"
config.plugins.custom_caret = common.merge({
shape = "line",
color_r = style.caret[1],
color_g = style.caret[2],
color_b = style.caret[3],
opacity = style.caret[4],
-- Config for settings gui
config_spec = {
name = "Custom Caret",
{
label = "Shape",
description = "The Shape of the cursor.",
path = "shape",
type = "selection",
default = "line",
values = {
{"Line", "line"},
{"Block", "block"},
{"Underline", "underline"}
}
},
{
label = "Red Component of Color",
description = "The color consists of 3 components RGB, This modifies the 'R' component of the caret's color",
path = "color_r",
type = "number",
min = 0,
max = 255,
default = style.caret[1],
step = 1,
},
{
label = "Green Component of Color",
description = "The color consists of 3 components RGB, This modifies the 'G' component of the caret's color",
path = "color_g",
type = "number",
min = 0,
max = 255,
default = style.caret[2],
step = 1,
},
{
label = "Blue Component of Color",
description = "The color consists of 3 components RGB, This modifies the 'B' component of the caret's color",
path = "color_b",
type = "number",
min = 0,
max = 255,
default = style.caret[3],
step = 1,
},
{
label = "Opacity of the Cursor",
description = "The Opacity of the caret",
path = "opacity",
type = "number",
min = 0,
max = 255,
default = style.caret[4],
step = 1,
},
}
}, config.plugins.custom_caret)
function DocView:draw_caret(x, y)
local caret_width = style.caret_width
local caret_height = self:get_line_height()
local current_caret_shape = config.plugins.custom_caret.shape
local caret_color = {config.plugins.custom_caret.color_r, config.plugins.custom_caret.color_g, config.plugins.custom_caret.color_b, config.plugins.custom_caret.opacity}
if (current_caret_shape == "block") then
caret_width = math.ceil(self:get_font():get_width("a"))
elseif (current_caret_shape == "underline") then
caret_width = math.ceil(self:get_font():get_width("a"))
caret_height = style.caret_width*2
y = y+self:get_line_height()
else
caret_width = style.caret_width
caret_height = self:get_line_height()
end
renderer.draw_rect(x, y, caret_width, caret_height, caret_color)
end
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