Snowcap: Add WlrTaskList support

snowcap/Cargo.toml

@@ -6,6 +6,7 @@ rust-version.workspace = true
 
 [dependencies]
 anyhow = { workspace = true }
+bitflags = { workspace = true }
 iced = { version = "0.14.0", default-features = false, features = [
     "wgpu",
     "tokio",

snowcap/api/lua/snowcap/grpc/defs.lua

@@ -764,6 +764,7 @@ local snowcap_layer_v1_Layer = {
 ---@field input_region snowcap.widget.v1.InputRegion?
 ---@field mouse_area snowcap.widget.v1.MouseArea?
 ---@field text_input snowcap.widget.v1.TextInput?
+---@field wlr_task_list snowcap.widget.v1.WlrTaskList?
 
 ---@class snowcap.widget.v1.Text
 ---@field text string?
@@ -982,6 +983,31 @@ local snowcap_layer_v1_Layer = {
 ---@field submit google.protobuf.Empty?
 ---@field paste string?
 
+---@class snowcap.widget.v1.WlrTaskList
+---@field widget_id integer?
+---@field on_enter boolean?
+---@field on_update boolean?
+---@field on_leave boolean?
+---@field child snowcap.widget.v1.WidgetDef?
+
+---@class snowcap.widget.v1.WlrTaskList.Event
+---@field enter snowcap.widget.v1.WlrTaskList.WlrTaskData?
+---@field update snowcap.widget.v1.WlrTaskList.WlrTaskData?
+---@field leave integer?
+
+---@class snowcap.widget.v1.WlrTaskList.WlrTaskData
+---@field id integer?
+---@field title string?
+---@field app_id string?
+---@field state snowcap.widget.v1.WlrTaskList.WlrTaskState?
+---@field outputs string[]?
+
+---@class snowcap.widget.v1.WlrTaskList.WlrTaskState
+---@field maximized boolean?
+---@field minimized boolean?
+---@field activated boolean?
+---@field fullscreen boolean?
+
 ---@class snowcap.widget.v1.GetWidgetEventsRequest
 ---@field layer_id integer?
 ---@field decoration_id integer?
@@ -991,6 +1017,7 @@ local snowcap_layer_v1_Layer = {
 ---@field button snowcap.widget.v1.Button.Event?
 ---@field mouse_area snowcap.widget.v1.MouseArea.Event?
 ---@field text_input snowcap.widget.v1.TextInput.Event?
+---@field wlr_task_list snowcap.widget.v1.WlrTaskList.Event?
 
 ---@class snowcap.widget.v1.GetWidgetEventsResponse
 ---@field widget_events snowcap.widget.v1.WidgetEvent[]?
@@ -1029,9 +1056,35 @@ local snowcap_layer_v1_Layer = {
 ---@class snowcap.operation.v1.TextInput.SelectAll
 ---@field id string?
 
+---@class snowcap.operation.v1.WlrTaskList
+---@field maximize snowcap.operation.v1.WlrTaskList.MaximizeToplevel?
+---@field minimize snowcap.operation.v1.WlrTaskList.MinimizeToplevel?
+---@field fullscreen snowcap.operation.v1.WlrTaskList.FullscreenToplevel?
+---@field activate snowcap.operation.v1.WlrTaskList.ActivateToplevel?
+---@field close snowcap.operation.v1.WlrTaskList.CloseToplevel?
+
+---@class snowcap.operation.v1.WlrTaskList.MaximizeToplevel
+---@field id integer?
+---@field maximize boolean?
+
+---@class snowcap.operation.v1.WlrTaskList.MinimizeToplevel
+---@field id integer?
+---@field minimize boolean?
+
+---@class snowcap.operation.v1.WlrTaskList.FullscreenToplevel
+---@field id integer?
+---@field fullscreen boolean?
+
+---@class snowcap.operation.v1.WlrTaskList.ActivateToplevel
+---@field id integer?
+
+---@class snowcap.operation.v1.WlrTaskList.CloseToplevel
+---@field id integer?
+
 ---@class snowcap.operation.v1.Operation
 ---@field focusable snowcap.operation.v1.Focusable?
 ---@field text_input snowcap.operation.v1.TextInput?
+---@field wlr_task_list snowcap.operation.v1.WlrTaskList?
 
 ---@class snowcap.decoration.v1.Bounds
 ---@field left integer?
@@ -1321,6 +1374,10 @@ snowcap.widget.v1.TextInput.Icon = {}
 snowcap.widget.v1.TextInput.Style = {}
 snowcap.widget.v1.TextInput.Style.Inner = {}
 snowcap.widget.v1.TextInput.Event = {}
+snowcap.widget.v1.WlrTaskList = {}
+snowcap.widget.v1.WlrTaskList.Event = {}
+snowcap.widget.v1.WlrTaskList.WlrTaskData = {}
+snowcap.widget.v1.WlrTaskList.WlrTaskState = {}
 snowcap.widget.v1.GetWidgetEventsRequest = {}
 snowcap.widget.v1.WidgetEvent = {}
 snowcap.widget.v1.GetWidgetEventsResponse = {}
@@ -1336,6 +1393,12 @@ snowcap.operation.v1.TextInput.MoveCursor = {}
 snowcap.operation.v1.TextInput.MoveCursorFront = {}
 snowcap.operation.v1.TextInput.MoveCursorEnd = {}
 snowcap.operation.v1.TextInput.SelectAll = {}
+snowcap.operation.v1.WlrTaskList = {}
+snowcap.operation.v1.WlrTaskList.MaximizeToplevel = {}
+snowcap.operation.v1.WlrTaskList.MinimizeToplevel = {}
+snowcap.operation.v1.WlrTaskList.FullscreenToplevel = {}
+snowcap.operation.v1.WlrTaskList.ActivateToplevel = {}
+snowcap.operation.v1.WlrTaskList.CloseToplevel = {}
 snowcap.operation.v1.Operation = {}
 snowcap.decoration = {}
 snowcap.decoration.v1 = {}

snowcap/api/lua/snowcap/widget.lua

@@ -32,6 +32,7 @@
 ---@field input_region snowcap.widget.InputRegion?
 ---@field mouse_area snowcap.widget.MouseArea?
 ---@field text_input snowcap.widget.TextInput?
+---@field wlr_task_list snowcap.widget.WlrTaskList?
 
 ---@class snowcap.widget.Border
 ---@field color snowcap.widget.Color?
@@ -436,6 +437,43 @@ local text_input_event_type = {
     PASTE = "press",
 }
 
+---@class snowcap.widget.WlrTaskList
+---@field package widget_id integer?
+---@field on_enter (fun(task: snowcap.widget.wlr_task_list.WlrTaskData): any)?
+---@field on_update (fun(task: snowcap.widget.wlr_task_list.WlrTaskData): any)?
+---@field on_leave (fun(integer): any)?
+---@field child snowcap.widget.WidgetDef?
+
+---@class snowcap.widget.wlr_task_list.Callbacks
+---@field on_enter (fun(task: snowcap.widget.wlr_task_list.WlrTaskData): any)?
+---@field on_update (fun(task: snowcap.widget.wlr_task_list.WlrTaskData): any)?
+---@field on_leave (fun(integer): any)?
+
+---@class snowcap.widget.wlr_task_list.WlrTaskData
+---@field id integer?
+---@field title string?
+---@field app_id string?
+---@field state snowcap.widget.v1.WlrTaskList.WlrTaskState?
+---@field outputs string[]?
+
+---@class snowcap.widget.wlr_task_list.WlrTaskState
+---@field maximized boolean?
+---@field minimized boolean?
+---@field activated boolean?
+---@field fullscreen boolean?
+
+---@class snowcap.widget.wlr_task_list.Event
+---@field enter? snowcap.widget.wlr_task_list.WlrTaskState
+---@field update? snowcap.widget.wlr_task_list.WlrTaskState
+---@field leave? integer
+
+---@enum snowcap.widget.wlr_task_list.event.Type
+local wlr_task_list_event_type = {
+    ENTER = "enter",
+    UPDATE = "update",
+    LEAVE = "leave",
+}
+
 ---@class snowcap.widget.Length
 ---@field fill {}?
 ---@field fill_portion integer?
@@ -640,6 +678,7 @@ local font = {
 ---@field button fun(widget: snowcap.widget.WidgetDef)?
 ---@field mouse_area fun(widget: snowcap.widget.WidgetDef)?
 ---@field text_input fun(widget: snowcap.widget.WidgetDef)?
+---@field wlr_task_list fun(widget: snowcap.widget.WidgetDef)?
 
 local widget = {
     length = length,
@@ -832,6 +871,19 @@ local function text_input_into_api(def)
     }
 end
 
+---@param def snowcap.widget.WlrTaskList
+---@return snowcap.widget.v1.WlrTaskList
+local function wlr_task_list_into_api(def)
+    ---@type snowcap.widget.v1.WlrTaskList
+    return {
+        widget_id = def.widget_id,
+        on_enter = def.on_enter ~= nil,
+        on_update = def.on_update ~= nil,
+        on_leave = def.on_leave ~= nil,
+        child = widget.widget_def_into_api(def.child)
+    }
+end
+
 ---@param def snowcap.widget.WidgetDef
 ---@return snowcap.widget.v1.WidgetDef
 function widget.widget_def_into_api(def)
@@ -865,6 +917,9 @@ function widget.widget_def_into_api(def)
     if def.text_input then
         def.text_input = text_input_into_api(def.text_input)
     end
+    if def.wlr_task_list then
+        def.wlr_task_list = wlr_task_list_into_api(def.wlr_task_list)
+    end
 
     return def --[[@as snowcap.widget.v1.WidgetDef]]
 end
@@ -1001,6 +1056,26 @@ function widget.text_input(text_input)
     }
 end
 
+---@param wlr_task_list snowcap.widget.WlrTaskList
+---@return snowcap.widget.WidgetDef
+function widget.wlr_task_list(wlr_task_list)
+    local has_cb = false
+
+    has_cb = has_cb or wlr_task_list.on_enter ~= nil
+    has_cb = has_cb or wlr_task_list.on_update ~= nil
+    has_cb = has_cb or wlr_task_list.on_leave ~= nil
+
+    if has_cb then
+        wlr_task_list.widget_id = widget_id_counter
+        widget_id_counter = widget_id_counter + 1
+    end
+
+    ---@type snowcap.widget.WidgetDef
+    return {
+        wlr_task_list = wlr_task_list
+    }
+end
+
 ---@private
 ---@lcat nodoc
 ---@param wgt snowcap.widget.WidgetDef
@@ -1026,6 +1101,8 @@ function widget._traverse_widget_tree(wgt, callbacks, with_widget)
         widget._traverse_widget_tree(wgt.input_region.child, callbacks, with_widget)
     elseif wgt.mouse_area then
         widget._traverse_widget_tree(wgt.mouse_area.child, callbacks, with_widget)
+    elseif wgt.wlr_task_list then
+        widget._traverse_widget_tree(wgt.wlr_task_list.child, callbacks, with_widget)
     end
 end
 
@@ -1065,6 +1142,20 @@ local function collect_text_input_callbacks(text_input)
     }
 end
 
+---@package
+---@lcat nodoc
+---
+---@param task_list snowcap.widget.WlrTaskList
+---
+---@return snowcap.widget.wlr_task_list.Callbacks
+local function collect_wlr_task_list_callbacks(task_list)
+    return {
+        on_enter = task_list.on_enter,
+        on_update = task_list.on_update,
+        on_leave = task_list.on_leave,
+    }
+end
+
 ---@private
 ---@lcat nodoc
 ---@param callbacks any[]
@@ -1081,6 +1172,10 @@ function widget._collect_callbacks(callbacks, wgt)
     if wgt.text_input and wgt.text_input.widget_id then
         callbacks[wgt.text_input.widget_id] = collect_text_input_callbacks(wgt.text_input)
     end
+
+    if wgt.wlr_task_list and wgt.wlr_task_list.widget_id then
+        callbacks[wgt.wlr_task_list.widget_id] = collect_wlr_task_list_callbacks(wgt.wlr_task_list)
+    end
 end
 
 ---@private
@@ -1192,6 +1287,46 @@ function widget._text_input_process_event(callbacks, event)
     return msg
 end
 
+---@private
+---@lcat nodoc
+---
+---@param callbacks snowcap.widget.wlr_task_list.Callbacks
+---@param event snowcap.widget.wlr_task_list.Event
+---@return any?
+function widget._wlr_task_list_process_event(callbacks, event)
+    callbacks = callbacks or {}
+
+    local translate = {
+        [wlr_task_list_event_type.ENTER] = "on_enter",
+        [wlr_task_list_event_type.UPDATE] = "on_update",
+        [wlr_task_list_event_type.LEAVE] = "on_leave",
+    }
+
+    local event_type = nil
+    local cb = nil
+
+    for k, v in pairs(translate) do
+        if event[k] ~= nil then
+            event_type = k
+            cb = callbacks[v]
+
+            break
+        end
+    end
+
+    if cb == nil then
+        return nil
+    end
+
+    local ok, val = pcall(cb, event[event_type])
+
+    if not ok then
+        require("snowcap.log").error(val)
+    end
+
+    return val
+end
+
 ---@private
 ---@lcat nodoc
 ---@param callbacks any[]
@@ -1212,6 +1347,11 @@ function widget._message_from_event(callbacks, event)
             ---@diagnostic disable-next-line:param-type-mismatch
             msg = widget._text_input_process_event(callbacks[widget_id], event.text_input)
         end
+    elseif event.wlr_task_list then
+        if callbacks[widget_id] ~= nil then
+            ---@diagnostic disable-next-line:param-type-mismatch
+            msg = widget._wlr_task_list_process_event(callbacks[widget_id], event.wlr_task_list)
+        end
     end
 
     return msg