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Diffstat (limited to '')
| -rw-r--r-- | .config/mpv/scripts/uosc_shared/elements/Controls.lua | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/.config/mpv/scripts/uosc_shared/elements/Controls.lua b/.config/mpv/scripts/uosc_shared/elements/Controls.lua new file mode 100644 index 0000000..9a6be72 --- /dev/null +++ b/.config/mpv/scripts/uosc_shared/elements/Controls.lua @@ -0,0 +1,329 @@ +local Element = require('uosc_shared/elements/Element') +local Button = require('uosc_shared/elements/Button') +local CycleButton = require('uosc_shared/elements/CycleButton') +local Speed = require('uosc_shared/elements/Speed') + +-- `scale` - `options.controls_size` scale factor. +-- `ratio` - Width/height ratio of a static or dynamic element. +-- `ratio_min` Min ratio for 'dynamic' sized element. +---@alias ControlItem {element?: Element; kind: string; sizing: 'space' | 'static' | 'dynamic'; scale: number; ratio?: number; ratio_min?: number; hide: boolean; dispositions?: table<string, boolean>} + +---@class Controls : Element +local Controls = class(Element) + +function Controls:new() return Class.new(self) --[[@as Controls]] end +function Controls:init() + Element.init(self, 'controls') + ---@type ControlItem[] All control elements serialized from `options.controls`. + self.controls = {} + ---@type ControlItem[] Only controls that match current dispositions. + self.layout = {} + + -- Serialize control elements + local shorthands = { + menu = 'command:menu:script-binding uosc/menu-blurred?Menu', + subtitles = 'command:subtitles:script-binding uosc/subtitles#sub>0?Subtitles', + audio = 'command:graphic_eq:script-binding uosc/audio#audio>1?Audio', + ['audio-device'] = 'command:speaker:script-binding uosc/audio-device?Audio device', + video = 'command:theaters:script-binding uosc/video#video>1?Video', + playlist = 'command:list_alt:script-binding uosc/playlist?Playlist', + chapters = 'command:bookmark:script-binding uosc/chapters#chapters>0?Chapters', + ['editions'] = 'command:bookmarks:script-binding uosc/editions#editions>1?Editions', + ['stream-quality'] = 'command:high_quality:script-binding uosc/stream-quality?Stream quality', + ['open-file'] = 'command:file_open:script-binding uosc/open-file?Open file', + ['items'] = 'command:list_alt:script-binding uosc/items?Playlist/Files', + prev = 'command:arrow_back_ios:script-binding uosc/prev?Previous', + next = 'command:arrow_forward_ios:script-binding uosc/next?Next', + first = 'command:first_page:script-binding uosc/first?First', + last = 'command:last_page:script-binding uosc/last?Last', + ['loop-playlist'] = 'cycle:repeat:loop-playlist:no/inf!?Loop playlist', + ['loop-file'] = 'cycle:repeat_one:loop-file:no/inf!?Loop file', + shuffle = 'toggle:shuffle:shuffle?Shuffle', + fullscreen = 'cycle:crop_free:fullscreen:no/yes=fullscreen_exit!?Fullscreen', + } + + -- Parse out disposition/config pairs + local items = {} + local in_disposition = false + local current_item = nil + for c in options.controls:gmatch('.') do + if not current_item then current_item = {disposition = '', config = ''} end + if c == '<' and #current_item.config == 0 then in_disposition = true + elseif c == '>' and #current_item.config == 0 then in_disposition = false + elseif c == ',' and not in_disposition then + items[#items + 1] = current_item + current_item = nil + else + local prop = in_disposition and 'disposition' or 'config' + current_item[prop] = current_item[prop] .. c + end + end + items[#items + 1] = current_item + + -- Create controls + self.controls = {} + for i, item in ipairs(items) do + local config = shorthands[item.config] and shorthands[item.config] or item.config + local config_tooltip = split(config, ' *%? *') + local tooltip = config_tooltip[2] + config = shorthands[config_tooltip[1]] + and split(shorthands[config_tooltip[1]], ' *%? *')[1] or config_tooltip[1] + local config_badge = split(config, ' *# *') + config = config_badge[1] + local badge = config_badge[2] + local parts = split(config, ' *: *') + local kind, params = parts[1], itable_slice(parts, 2) + + -- Serialize dispositions + local dispositions = {} + for _, definition in ipairs(split(item.disposition, ' *, *')) do + if #definition > 0 then + local value = definition:sub(1, 1) ~= '!' + local name = not value and definition:sub(2) or definition + local prop = name:sub(1, 4) == 'has_' and name or 'is_' .. name + dispositions[prop] = value + end + end + + -- Convert toggles into cycles + if kind == 'toggle' then + kind = 'cycle' + params[#params + 1] = 'no/yes!' + end + + -- Create a control element + local control = {dispositions = dispositions, kind = kind} + + if kind == 'space' then + control.sizing = 'space' + elseif kind == 'gap' then + table_assign(control, {sizing = 'dynamic', scale = 1, ratio = params[1] or 0.3, ratio_min = 0}) + elseif kind == 'command' then + if #params ~= 2 then + mp.error(string.format( + 'command button needs 2 parameters, %d received: %s', #params, table.concat(params, '/') + )) + else + local element = Button:new('control_' .. i, { + icon = params[1], + anchor_id = 'controls', + on_click = function() mp.command(params[2]) end, + tooltip = tooltip, + count_prop = 'sub', + }) + table_assign(control, {element = element, sizing = 'static', scale = 1, ratio = 1}) + if badge then self:register_badge_updater(badge, element) end + end + elseif kind == 'cycle' then + if #params ~= 3 then + mp.error(string.format( + 'cycle button needs 3 parameters, %d received: %s', + #params, table.concat(params, '/') + )) + else + local state_configs = split(params[3], ' */ *') + local states = {} + + for _, state_config in ipairs(state_configs) do + local active = false + if state_config:sub(-1) == '!' then + active = true + state_config = state_config:sub(1, -2) + end + local state_params = split(state_config, ' *= *') + local value, icon = state_params[1], state_params[2] or params[1] + states[#states + 1] = {value = value, icon = icon, active = active} + end + + local element = CycleButton:new('control_' .. i, { + prop = params[2], anchor_id = 'controls', states = states, tooltip = tooltip, + }) + table_assign(control, {element = element, sizing = 'static', scale = 1, ratio = 1}) + if badge then self:register_badge_updater(badge, element) end + end + elseif kind == 'speed' then + if not Elements.speed then + local element = Speed:new({anchor_id = 'controls'}) + table_assign(control, { + element = element, sizing = 'dynamic', scale = params[1] or 1.3, ratio = 3.5, ratio_min = 2, + }) + else + msg.error('there can only be 1 speed slider') + end + else + msg.error('unknown element kind "' .. kind .. '"') + break + end + + self.controls[#self.controls + 1] = control + end + + self:reflow() +end + +function Controls:reflow() + -- Populate the layout only with items that match current disposition + self.layout = {} + for _, control in ipairs(self.controls) do + local matches = true + for prop, value in pairs(control.dispositions) do + if state[prop] ~= value then + matches = false + break + end + end + if control.element then control.element.enabled = matches end + if matches then self.layout[#self.layout + 1] = control end + end + + self:update_dimensions() + Elements:trigger('controls_reflow') +end + +---@param badge string +---@param element Element An element that supports `badge` property. +function Controls:register_badge_updater(badge, element) + local prop_and_limit = split(badge, ' *> *') + local prop, limit = prop_and_limit[1], tonumber(prop_and_limit[2] or -1) + local observable_name, serializer, is_external_prop = prop, nil, false + + if itable_index_of({'sub', 'audio', 'video'}, prop) then + observable_name = 'track-list' + serializer = function(value) + local count = 0 + for _, track in ipairs(value) do if track.type == prop then count = count + 1 end end + return count + end + else + local parts = split(prop, '@') + -- Support both new `prop@owner` and old `@prop` syntaxes + if #parts > 1 then prop, is_external_prop = parts[1] ~= '' and parts[1] or parts[2], true end + serializer = function(value) return value and (type(value) == 'table' and #value or tostring(value)) or nil end + end + + local function handler(_, value) + local new_value = serializer(value) --[[@as nil|string|integer]] + local value_number = tonumber(new_value) + if value_number then new_value = value_number > limit and value_number or nil end + element.badge = new_value + request_render() + end + + if is_external_prop then element['on_external_prop_' .. prop] = function(_, value) handler(prop, value) end + else mp.observe_property(observable_name, 'native', handler) end +end + +function Controls:get_visibility() + return (Elements.speed and Elements.speed.dragging) and 1 or Elements.timeline:get_is_hovered() + and -1 or Element.get_visibility(self) +end + +function Controls:update_dimensions() + local window_border = Elements.window_border.size + local size = state.fullormaxed and options.controls_size_fullscreen or options.controls_size + local spacing = options.controls_spacing + local margin = options.controls_margin + + -- Disable when not enough space + local available_space = display.height - Elements.window_border.size * 2 + if Elements.top_bar.enabled then available_space = available_space - Elements.top_bar.size end + if Elements.timeline.enabled then available_space = available_space - Elements.timeline.size_max end + self.enabled = available_space > size + 10 + + -- Reset hide/enabled flags + for c, control in ipairs(self.layout) do + control.hide = false + if control.element then control.element.enabled = self.enabled end + end + + if not self.enabled then return end + + -- Container + self.bx = display.width - window_border - margin + self.by = (Elements.timeline.enabled and Elements.timeline.ay or display.height - window_border) - margin + self.ax, self.ay = window_border + margin, self.by - size + + -- Controls + local available_width = self.bx - self.ax + local statics_width = (#self.layout - 1) * spacing + local min_content_width = statics_width + local max_dynamics_width, dynamic_units, spaces = 0, 0, 0 + + -- Calculate statics_width, min_content_width, and count spaces + for c, control in ipairs(self.layout) do + if control.sizing == 'space' then + spaces = spaces + 1 + elseif control.sizing == 'static' then + local width = size * control.scale * control.ratio + statics_width = statics_width + width + min_content_width = min_content_width + width + elseif control.sizing == 'dynamic' then + min_content_width = min_content_width + size * control.scale * control.ratio_min + max_dynamics_width = max_dynamics_width + size * control.scale * control.ratio + dynamic_units = dynamic_units + control.scale * control.ratio + end + end + + -- Hide & disable elements in the middle until we fit into available width + if min_content_width > available_width then + local i = math.ceil(#self.layout / 2 + 0.1) + for a = 0, #self.layout - 1, 1 do + i = i + (a * (a % 2 == 0 and 1 or -1)) + local control = self.layout[i] + + if control.kind ~= 'gap' and control.kind ~= 'space' then + control.hide = true + if control.element then control.element.enabled = false end + if control.sizing == 'static' then + local width = size * control.scale * control.ratio + min_content_width = min_content_width - width - spacing + statics_width = statics_width - width - spacing + elseif control.sizing == 'dynamic' then + min_content_width = min_content_width - size * control.scale * control.ratio_min - spacing + max_dynamics_width = max_dynamics_width - size * control.scale * control.ratio + dynamic_units = dynamic_units - control.scale * control.ratio + end + + if min_content_width < available_width then break end + end + end + end + + -- Lay out the elements + local current_x = self.ax + local width_for_dynamics = available_width - statics_width + local space_width = (width_for_dynamics - max_dynamics_width) / spaces + + for c, control in ipairs(self.layout) do + if not control.hide then + local sizing, element, scale, ratio = control.sizing, control.element, control.scale, control.ratio + local width, height = 0, 0 + + if sizing == 'space' then + if space_width > 0 then width = space_width end + elseif sizing == 'static' then + height = size * scale + width = height * ratio + elseif sizing == 'dynamic' then + height = size * scale + width = max_dynamics_width < width_for_dynamics + and height * ratio or width_for_dynamics * ((scale * ratio) / dynamic_units) + end + + local bx = current_x + width + if element then element:set_coordinates(round(current_x), round(self.by - height), bx, self.by) end + current_x = bx + spacing + end + end + + Elements:update_proximities() + request_render() +end + +function Controls:on_dispositions() self:reflow() end +function Controls:on_display() self:update_dimensions() end +function Controls:on_prop_border() self:update_dimensions() end +function Controls:on_prop_fullormaxed() self:update_dimensions() end +function Controls:on_timeline_enabled() self:update_dimensions() end + +return Controls |