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Diffstat (limited to 'awesome/lib/awful/mouse/resize.lua')
| -rw-r--r-- | awesome/lib/awful/mouse/resize.lua | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/awesome/lib/awful/mouse/resize.lua b/awesome/lib/awful/mouse/resize.lua deleted file mode 100644 index edd278d..0000000 --- a/awesome/lib/awful/mouse/resize.lua +++ /dev/null @@ -1,229 +0,0 @@ ---------------------------------------------------------------------------- ---- An extandable mouse resizing handler. --- --- This module offer a resizing and moving mechanism for drawable such as --- clients and wiboxes. --- --- @author Emmanuel Lepage Vallee <elv1313@gmail.com> --- @copyright 2016 Emmanuel Lepage Vallee --- @submodule mouse ---------------------------------------------------------------------------- - -local aplace = require("awful.placement") -local capi = {mousegrabber = mousegrabber} -local beautiful = require("beautiful") - -local module = {} - -local mode = "live" -local req = "request::geometry" -local callbacks = {enter={}, move={}, leave={}} - -local cursors = { - ["mouse.move" ] = "fleur", - ["mouse.resize" ] = "cross", - ["mouse.resize_left" ] = "sb_h_double_arrow", - ["mouse.resize_right" ] = "sb_h_double_arrow", - ["mouse.resize_top" ] = "sb_v_double_arrow", - ["mouse.resize_bottom" ] = "sb_v_double_arrow", - ["mouse.resize_top_left" ] = "top_left_corner", - ["mouse.resize_top_right" ] = "top_right_corner", - ["mouse.resize_bottom_left" ] = "bottom_left_corner", - ["mouse.resize_bottom_right"] = "bottom_right_corner", -} - ---- The resize cursor name. --- @beautiful beautiful.cursor_mouse_resize --- @tparam[opt=cross] string cursor - ---- The move cursor name. --- @beautiful beautiful.cursor_mouse_move --- @tparam[opt=fleur] string cursor - ---- Set the resize mode. --- The available modes are: --- --- * **live**: Resize the layout everytime the mouse move --- * **after**: Resize the layout only when the mouse is released --- --- Some clients, such as XTerm, may lose information if resized too often. --- --- @function awful.mouse.resize.set_mode --- @tparam string m The mode -function module.set_mode(m) - assert(m == "live" or m == "after") - mode = m -end - ---- Add an initialization callback. --- This callback will be executed before the mouse grabbing starts. --- @function awful.mouse.resize.add_enter_callback --- @tparam function cb The callback (or nil) --- @tparam[default=other] string context The callback context -function module.add_enter_callback(cb, context) - context = context or "other" - callbacks.enter[context] = callbacks.enter[context] or {} - table.insert(callbacks.enter[context], cb) -end - ---- Add a "move" callback. --- This callback is executed in "after" mode (see `set_mode`) instead of --- applying the operation. --- @function awful.mouse.resize.add_move_callback --- @tparam function cb The callback (or nil) --- @tparam[default=other] string context The callback context -function module.add_move_callback(cb, context) - context = context or "other" - callbacks.move[context] = callbacks.move[context] or {} - table.insert(callbacks.move[context], cb) -end - ---- Add a "leave" callback --- This callback is executed just before the `mousegrabber` stop --- @function awful.mouse.resize.add_leave_callback --- @tparam function cb The callback (or nil) --- @tparam[default=other] string context The callback context -function module.add_leave_callback(cb, context) - context = context or "other" - callbacks.leave[context] = callbacks.leave[context] or {} - table.insert(callbacks.leave[context], cb) -end - --- Resize, the drawable. --- --- Valid `args` are: --- --- * *enter_callback*: A function called before the `mousegrabber` start --- * *move_callback*: A function called when the mouse move --- * *leave_callback*: A function called before the `mousegrabber` is released --- * *mode*: The resize mode --- --- @function awful.mouse.resize --- @tparam client client A client --- @tparam[default=mouse.resize] string context The resizing context --- @tparam[opt={}] table args A set of `awful.placement` arguments - -local function handler(_, client, context, args) --luacheck: no unused_args - args = args or {} - context = context or "mouse.resize" - - local placement = args.placement - - if type(placement) == "string" and aplace[placement] then - placement = aplace[placement] - end - - -- Extend the table with the default arguments - args = setmetatable( - { - placement = placement or aplace.resize_to_mouse, - mode = args.mode or mode, - pretend = true, - }, - {__index = args or {}} - ) - - local geo - - for _, cb in ipairs(callbacks.enter[context] or {}) do - geo = cb(client, args) - - if geo == false then - return false - end - end - - if args.enter_callback then - geo = args.enter_callback(client, args) - - if geo == false then - return false - end - end - - geo = nil - - -- Select the cursor - local tcontext = context:gsub('[.]', '_') - local corner = args.corner and ("_".. args.corner) or "" - - local cursor = beautiful["cursor_"..tcontext] - or cursors[context..corner] - or cursors[context] - or "fleur" - - -- Execute the placement function and use request::geometry - capi.mousegrabber.run(function (_mouse) - if not client.valid then return end - - -- Resize everytime the mouse move (default behavior) - if args.mode == "live" then - -- Get the new geometry - geo = setmetatable(args.placement(client, args),{__index=args}) - end - - -- Execute the move callbacks. This can be used to add features such as - -- snap or adding fancy graphical effects. - for _, cb in ipairs(callbacks.move[context] or {}) do - -- If something is returned, assume it is a modified geometry - geo = cb(client, geo, args) or geo - - if geo == false then - return false - end - end - - if args.move_callback then - geo = args.move_callback(client, geo, args) - - if geo == false then - return false - end - end - - -- In case it was modified - setmetatable(geo,{__index=args}) - - if args.mode == "live" then - -- Ask the resizing handler to resize the client - client:emit_signal( req, context, geo) - end - - -- Quit when the button is released - for _,v in pairs(_mouse.buttons) do - if v then return true end - end - - -- Only resize after the mouse is released, this avoid losing content - -- in resize sensitive apps such as XTerm or allow external modules - -- to implement custom resizing. - if args.mode == "after" then - -- Get the new geometry - geo = args.placement(client, args) - - -- Ask the resizing handler to resize the client - client:emit_signal( req, context, geo) - end - - geo = nil - - for _, cb in ipairs(callbacks.leave[context] or {}) do - geo = cb(client, geo, args) - end - - if args.leave_callback then - geo = args.leave_callback(client, geo, args) - end - - if not geo then return false end - - -- In case it was modified - setmetatable(geo,{__index=args}) - - client:emit_signal( req, context, geo) - - return false - end, cursor) -end - -return setmetatable(module, {__call=handler}) |