dotfiles/multimedia/.config/mpv/scripts/uosc_shared/elements/Button.lua

90 lines
3.2 KiB
Lua

local Element = require('uosc_shared/elements/Element')
---@alias ButtonProps {icon: string; on_click: function; anchor_id?: string; active?: boolean; badge?: string|number; foreground?: string; background?: string; tooltip?: string}
---@class Button : Element
local Button = class(Element)
---@param id string
---@param props ButtonProps
function Button:new(id, props) return Class.new(self, id, props) --[[@as Button]] end
---@param id string
---@param props ButtonProps
function Button:init(id, props)
self.icon = props.icon
self.active = props.active
self.tooltip = props.tooltip
self.badge = props.badge
self.foreground = props.foreground or fg
self.background = props.background or bg
---@type fun()
self.on_click = props.on_click
Element.init(self, id, props)
end
function Button:on_coordinates() self.font_size = round((self.by - self.ay) * 0.7) end
function Button:handle_cursor_down()
-- We delay the callback to next tick, otherwise we are risking race
-- conditions as we are in the middle of event dispatching.
-- For example, handler might add a menu to the end of the element stack, and that
-- than picks up this click event we are in right now, and instantly closes itself.
mp.add_timeout(0.01, self.on_click)
end
function Button:render()
local visibility = self:get_visibility()
if visibility <= 0 then return end
if self.proximity_raw == 0 then
cursor.on_primary_down = function() self:handle_cursor_down() end
end
local ass = assdraw.ass_new()
local is_hover = self.proximity_raw == 0
local is_hover_or_active = is_hover or self.active
local foreground = self.active and self.background or self.foreground
local background = self.active and self.foreground or self.background
-- Background
if is_hover_or_active then
ass:rect(self.ax, self.ay, self.bx, self.by, {
color = self.active and background or foreground, radius = 2,
opacity = visibility * (self.active and 1 or 0.3),
})
end
-- Tooltip on hover
if is_hover and self.tooltip then ass:tooltip(self, self.tooltip) end
-- Badge
local icon_clip
if self.badge then
local badge_font_size = self.font_size * 0.6
local badge_opts = {size = badge_font_size, color = background, opacity = visibility}
local badge_width = text_width(self.badge, badge_opts)
local width, height = math.ceil(badge_width + (badge_font_size / 7) * 2), math.ceil(badge_font_size * 0.93)
local bx, by = self.bx - 1, self.by - 1
ass:rect(bx - width, by - height, bx, by, {
color = foreground, radius = 2, opacity = visibility,
border = self.active and 0 or 1, border_color = background,
})
ass:txt(bx - width / 2, by - height / 2, 5, self.badge, badge_opts)
local clip_border = math.max(self.font_size / 20, 1)
local clip_path = assdraw.ass_new()
clip_path:round_rect_cw(
math.floor((bx - width) - clip_border), math.floor((by - height) - clip_border), bx, by, 3
)
icon_clip = '\\iclip(' .. clip_path.scale .. ', ' .. clip_path.text .. ')'
end
-- Icon
local x, y = round(self.ax + (self.bx - self.ax) / 2), round(self.ay + (self.by - self.ay) / 2)
ass:icon(x, y, self.font_size, self.icon, {
color = foreground, border = self.active and 0 or options.text_border, border_color = background,
opacity = visibility, clip = icon_clip,
})
return ass
end
return Button