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