summaryrefslogtreecommitdiff
path: root/awesome/lib/awful/screen.lua
diff options
context:
space:
mode:
Diffstat (limited to 'awesome/lib/awful/screen.lua')
-rw-r--r--awesome/lib/awful/screen.lua477
1 files changed, 0 insertions, 477 deletions
diff --git a/awesome/lib/awful/screen.lua b/awesome/lib/awful/screen.lua
deleted file mode 100644
index e36e622..0000000
--- a/awesome/lib/awful/screen.lua
+++ /dev/null
@@ -1,477 +0,0 @@
----------------------------------------------------------------------------
---- Screen module for awful
---
--- @author Julien Danjou <julien@danjou.info>
--- @copyright 2008 Julien Danjou
--- @module screen
----------------------------------------------------------------------------
-
--- Grab environment we need
-local capi =
-{
- mouse = mouse,
- screen = screen,
- client = client,
- awesome = awesome,
-}
-local util = require("awful.util")
-local object = require("gears.object")
-local grect = require("gears.geometry").rectangle
-
-local function get_screen(s)
- return s and capi.screen[s]
-end
-
--- we use require("awful.client") inside functions to prevent circular dependencies.
-local client
-
-local screen = {object={}}
-
-local data = {}
-data.padding = {}
-
---- Take an input geometry and substract/add a delta.
--- @tparam table geo A geometry (width, height, x, y) table.
--- @tparam table delta A delta table (top, bottom, x, y).
--- @treturn table A geometry (width, height, x, y) table.
-local function apply_geometry_ajustments(geo, delta)
- return {
- x = geo.x + (delta.left or 0),
- y = geo.y + (delta.top or 0),
- width = geo.width - (delta.left or 0) - (delta.right or 0),
- height = geo.height - (delta.top or 0) - (delta.bottom or 0),
- }
-end
-
---- Get the square distance between a `screen` and a point.
--- @deprecated awful.screen.getdistance_sq
--- @param s Screen
--- @param x X coordinate of point
--- @param y Y coordinate of point
--- @return The squared distance of the screen to the provided point.
--- @see screen.get_square_distance
-function screen.getdistance_sq(s, x, y)
- util.deprecate("Use s:get_square_distance(x, y) instead of awful.screen.getdistance_sq")
- return screen.object.get_square_distance(s, x, y)
-end
-
---- Get the square distance between a `screen` and a point.
--- @function screen.get_square_distance
--- @tparam number x X coordinate of point
--- @tparam number y Y coordinate of point
--- @treturn number The squared distance of the screen to the provided point.
-function screen.object.get_square_distance(self, x, y)
- return grect.get_square_distance(get_screen(self).geometry, x, y)
-end
-
---- Return the screen index corresponding to the given (pixel) coordinates.
---
--- The number returned can be used as an index into the global
--- `screen` table/object.
--- @function awful.screen.getbycoord
--- @tparam number x The x coordinate
--- @tparam number y The y coordinate
--- @treturn ?number The screen index
-function screen.getbycoord(x, y)
- local s, sgeos = capi.screen.primary, {}
- for scr in capi.screen do
- sgeos[scr] = scr.geometry
- end
- s = grect.get_closest_by_coord(sgeos, x, y) or s
- return s and s.index
-end
-
---- Move the focus to a screen.
---
--- This moves the mouse pointer to the last known position on the new screen,
--- or keeps its position relative to the current focused screen.
--- @function awful.screen.focus
--- @screen _screen Screen number (defaults / falls back to mouse.screen).
-function screen.focus(_screen)
- client = client or require("awful.client")
- if type(_screen) == "number" and _screen > capi.screen.count() then _screen = screen.focused() end
- _screen = get_screen(_screen)
-
- -- screen and pos for current screen
- local s = get_screen(capi.mouse.screen)
- local pos
-
- if not _screen.mouse_per_screen then
- -- This is the first time we enter this screen,
- -- keep relative mouse position on the new screen.
- pos = capi.mouse.coords()
- local relx = (pos.x - s.geometry.x) / s.geometry.width
- local rely = (pos.y - s.geometry.y) / s.geometry.height
-
- pos.x = _screen.geometry.x + relx * _screen.geometry.width
- pos.y = _screen.geometry.y + rely * _screen.geometry.height
- else
- -- restore mouse position
- pos = _screen.mouse_per_screen
- end
-
- -- save pointer position of current screen
- s.mouse_per_screen = capi.mouse.coords()
-
- -- move cursor without triggering signals mouse::enter and mouse::leave
- capi.mouse.coords(pos, true)
-
- local c = client.focus.history.get(_screen, 0)
- if c then
- c:emit_signal("request::activate", "screen.focus", {raise=false})
- end
-end
-
---- Move the focus to a screen in a specific direction.
---
--- This moves the mouse pointer to the last known position on the new screen,
--- or keeps its position relative to the current focused screen.
--- @function awful.screen.focus_bydirection
--- @param dir The direction, can be either "up", "down", "left" or "right".
--- @param _screen Screen.
-function screen.focus_bydirection(dir, _screen)
- local sel = get_screen(_screen or screen.focused())
- if sel then
- local geomtbl = {}
- for s in capi.screen do
- geomtbl[s] = s.geometry
- end
- local target = grect.get_in_direction(dir, geomtbl, sel.geometry)
- if target then
- return screen.focus(target)
- end
- end
-end
-
---- Move the focus to a screen relative to the current one,
---
--- This moves the mouse pointer to the last known position on the new screen,
--- or keeps its position relative to the current focused screen.
---
--- @function awful.screen.focus_relative
--- @tparam int offset Value to add to the current focused screen index. 1 to
--- focus the next one, -1 to focus the previous one.
-function screen.focus_relative(offset)
- return screen.focus(util.cycle(capi.screen.count(),
- screen.focused().index + offset))
-end
-
---- Get or set the screen padding.
---
--- @deprecated awful.screen.padding
--- @param _screen The screen object to change the padding on
--- @param[opt=nil] padding The padding, a table with 'top', 'left', 'right' and/or
--- 'bottom' or a number value to apply set the same padding on all sides. Can be
--- nil if you only want to retrieve padding
--- @treturn table A table with left, right, top and bottom number values.
--- @see padding
-function screen.padding(_screen, padding)
- util.deprecate("Use _screen.padding = value instead of awful.screen.padding")
- if padding then
- screen.object.set_padding(_screen, padding)
- end
- return screen.object.get_padding(_screen)
-end
-
---- The screen padding.
---
--- This adds a "buffer" section on each side of the screen.
---
--- **Signal:**
---
--- * *property::padding*
---
--- @property padding
--- @param table
--- @tfield integer table.left The padding on the left.
--- @tfield integer table.right The padding on the right.
--- @tfield integer table.top The padding on the top.
--- @tfield integer table.bottom The padding on the bottom.
-
-function screen.object.get_padding(self)
- local p = data.padding[self] or {}
- -- Create a copy to avoid accidental mutation and nil values.
- return {
- left = p.left or 0,
- right = p.right or 0,
- top = p.top or 0,
- bottom = p.bottom or 0,
- }
-end
-
-function screen.object.set_padding(self, padding)
- if type(padding) == "number" then
- padding = {
- left = padding,
- right = padding,
- top = padding,
- bottom = padding,
- }
- end
-
- self = get_screen(self)
- if padding then
- data.padding[self] = padding
- self:emit_signal("padding")
- end
-end
-
---- Get the preferred screen in the context of a client.
---
--- This is exactly the same as `awful.screen.focused` except that it avoids
--- clients being moved when Awesome is restarted.
--- This is used in the default `rc.lua` to ensure clients get assigned to the
--- focused screen by default.
--- @tparam client c A client.
--- @treturn screen The preferred screen.
-function screen.preferred(c)
- return capi.awesome.startup and c.screen or screen.focused()
-end
-
---- The defaults arguments for `awful.screen.focused`.
--- @tfield[opt=nil] table awful.screen.default_focused_args
-
---- Get the focused screen.
---
--- It is possible to set `awful.screen.default_focused_args` to override the
--- default settings.
---
--- @function awful.screen.focused
--- @tparam[opt] table args
--- @tparam[opt=false] boolean args.client Use the client screen instead of the
--- mouse screen.
--- @tparam[opt=true] boolean args.mouse Use the mouse screen
--- @treturn ?screen The focused screen object, or `nil` in case no screen is
--- present currently.
-function screen.focused(args)
- args = args or screen.default_focused_args or {}
- return get_screen(
- args.client and capi.client.focus and capi.client.focus.screen or capi.mouse.screen
- )
-end
-
---- Get a placement bounding geometry.
---
--- This method computes the different variants of the "usable" screen geometry.
---
--- @function screen.get_bounding_geometry
--- @tparam[opt={}] table args The arguments
--- @tparam[opt=false] boolean args.honor_padding Whether to honor the screen's padding.
--- @tparam[opt=false] boolean args.honor_workarea Whether to honor the screen's workarea.
--- @tparam[opt] int|table args.margins Apply some margins on the output.
--- This can either be a number or a table with *left*, *right*, *top*
--- and *bottom* keys.
--- @tag[opt] args.tag Use this tag's screen.
--- @tparam[opt] drawable args.parent A parent drawable to use as base geometry.
--- @tab[opt] args.bounding_rect A bounding rectangle. This parameter is
--- incompatible with `honor_workarea`.
--- @treturn table A table with *x*, *y*, *width* and *height*.
--- @usage local geo = screen:get_bounding_geometry {
--- honor_padding = true,
--- honor_workarea = true,
--- margins = {
--- left = 20,
--- },
--- }
-function screen.object.get_bounding_geometry(self, args)
- args = args or {}
-
- -- If the tag has a geometry, assume it is right
- if args.tag then
- self = args.tag.screen
- end
-
- self = get_screen(self or capi.mouse.screen)
-
- local geo = args.bounding_rect or (args.parent and args.parent:geometry()) or
- self[args.honor_workarea and "workarea" or "geometry"]
-
- if (not args.parent) and (not args.bounding_rect) and args.honor_padding then
- local padding = self.padding
- geo = apply_geometry_ajustments(geo, padding)
- end
-
- if args.margins then
- geo = apply_geometry_ajustments(geo,
- type(args.margins) == "table" and args.margins or {
- left = args.margins, right = args.margins,
- top = args.margins, bottom = args.margins,
- }
- )
- end
- return geo
-end
-
---- Get the list of visible clients for the screen.
---
--- Minimized and unmanaged clients are not included in this list as they are
--- technically not on the screen.
---
--- The clients on tags that are currently not visible are not part of this list.
---
--- @property clients
--- @param table The clients list, ordered from top to bottom.
--- @see all_clients
--- @see hidden_clients
--- @see client.get
-
-function screen.object.get_clients(s)
- local cls = capi.client.get(s, true)
- local vcls = {}
- for _, c in pairs(cls) do
- if c:isvisible() then
- table.insert(vcls, c)
- end
- end
- return vcls
-end
-
---- Get the list of clients assigned to the screen but not currently visible.
---
--- This includes minimized clients and clients on hidden tags.
---
--- @property hidden_clients
--- @param table The clients list, ordered from top to bottom.
--- @see clients
--- @see all_clients
--- @see client.get
-
-function screen.object.get_hidden_clients(s)
- local cls = capi.client.get(s, true)
- local vcls = {}
- for _, c in pairs(cls) do
- if not c:isvisible() then
- table.insert(vcls, c)
- end
- end
- return vcls
-end
-
---- Get all clients assigned to the screen.
---
--- @property all_clients
--- @param table The clients list, ordered from top to bottom.
--- @see clients
--- @see hidden_clients
--- @see client.get
-
-function screen.object.get_all_clients(s)
- return capi.client.get(s, true)
-end
-
---- Get the list of tiled clients for the screen.
---
--- Same as `clients`, but excluding:
---
--- * fullscreen clients
--- * maximized clients
--- * floating clients
---
--- @property tiled_clients
--- @param table The clients list, ordered from top to bottom.
-
-function screen.object.get_tiled_clients(s)
- local clients = s.clients
- local tclients = {}
- -- Remove floating clients
- for _, c in pairs(clients) do
- if not c.floating
- and not c.fullscreen
- and not c.maximized_vertical
- and not c.maximized_horizontal then
- table.insert(tclients, c)
- end
- end
- return tclients
-end
-
---- Call a function for each existing and created-in-the-future screen.
---
--- @function awful.screen.connect_for_each_screen
--- @tparam function func The function to call.
--- @screen func.screen The screen.
-function screen.connect_for_each_screen(func)
- for s in capi.screen do
- func(s)
- end
- capi.screen.connect_signal("added", func)
-end
-
---- Undo the effect of connect_for_each_screen.
--- @function awful.screen.disconnect_for_each_screen
--- @tparam function func The function that should no longer be called.
-function screen.disconnect_for_each_screen(func)
- capi.screen.disconnect_signal("added", func)
-end
-
---- A list of all tags on the screen.
---
--- This property is read only, use `tag.screen`, `awful.tag.add`,
--- `awful.tag.new` or `t:delete()` to alter this list.
---
--- @property tags
--- @param table
--- @treturn table A table with all available tags.
-
-function screen.object.get_tags(s, unordered)
- local tags = {}
-
- for _, t in ipairs(root.tags()) do
- if get_screen(t.screen) == s then
- table.insert(tags, t)
- end
- end
-
- -- Avoid infinite loop and save some time.
- if not unordered then
- table.sort(tags, function(a, b)
- return (a.index or math.huge) < (b.index or math.huge)
- end)
- end
- return tags
-end
-
---- A list of all selected tags on the screen.
--- @property selected_tags
--- @param table
--- @treturn table A table with all selected tags.
--- @see tag.selected
--- @see client.to_selected_tags
-
-function screen.object.get_selected_tags(s)
- local tags = screen.object.get_tags(s, true)
-
- local vtags = {}
- for _, t in pairs(tags) do
- if t.selected then
- vtags[#vtags + 1] = t
- end
- end
- return vtags
-end
-
---- The first selected tag.
--- @property selected_tag
--- @param table
--- @treturn ?tag The first selected tag or nil.
--- @see tag.selected
--- @see selected_tags
-
-function screen.object.get_selected_tag(s)
- return screen.object.get_selected_tags(s)[1]
-end
-
-
---- When the tag history changed.
--- @signal tag::history::update
-
--- Extend the luaobject
-object.properties(capi.screen, {
- getter_class = screen.object,
- setter_class = screen.object,
- auto_emit = true,
-})
-
-return screen
-
--- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80