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Diffstat (limited to 'awesome/lib/wibox/widget/systray.lua')
-rw-r--r--awesome/lib/wibox/widget/systray.lua186
1 files changed, 0 insertions, 186 deletions
diff --git a/awesome/lib/wibox/widget/systray.lua b/awesome/lib/wibox/widget/systray.lua
deleted file mode 100644
index e83347c..0000000
--- a/awesome/lib/wibox/widget/systray.lua
+++ /dev/null
@@ -1,186 +0,0 @@
----------------------------------------------------------------------------
--- @author Uli Schlachter
--- @copyright 2010 Uli Schlachter
--- @classmod wibox.widget.systray
----------------------------------------------------------------------------
-
-local wbase = require("wibox.widget.base")
-local beautiful = require("beautiful")
-local util = require("awful.util")
-local capi = {
- awesome = awesome,
- screen = screen
-}
-local setmetatable = setmetatable
-local error = error
-local abs = math.abs
-
-local systray = { mt = {} }
-
-local instance = nil
-local horizontal = true
-local base_size = nil
-local reverse = false
-local display_on_screen = "primary"
-
---- The systray background color.
--- @beautiful beautiful.bg_systray
--- @param string The color (string like "#ff0000" only)
-
---- The systray icon spacing.
--- @beautiful beautiful.systray_icon_spacing
--- @tparam[opt=0] integer The icon spacing
-
-local function should_display_on(s)
- if display_on_screen == "primary" then
- return s == capi.screen.primary
- end
- return s == display_on_screen
-end
-
-function systray:draw(context, cr, width, height)
- if not should_display_on(context.screen) then
- return
- end
-
- local x, y, _, _ = wbase.rect_to_device_geometry(cr, 0, 0, width, height)
- local num_entries = capi.awesome.systray()
- local bg = beautiful.bg_systray or beautiful.bg_normal or "#000000"
- local spacing = beautiful.systray_icon_spacing or 0
-
- if context and not context.wibox then
- error("The systray widget can only be placed inside a wibox.")
- end
-
- -- Figure out if the cairo context is rotated
- local dir_x, dir_y = cr:user_to_device_distance(1, 0)
- local is_rotated = abs(dir_x) < abs(dir_y)
-
- local in_dir, ortho, base
- if horizontal then
- in_dir, ortho = width, height
- is_rotated = not is_rotated
- else
- ortho, in_dir = width, height
- end
- if ortho * num_entries <= in_dir then
- base = ortho
- else
- base = in_dir / num_entries
- end
- capi.awesome.systray(context.wibox.drawin, math.ceil(x), math.ceil(y),
- base, is_rotated, bg, reverse, spacing)
-end
-
-function systray:fit(context, width, height)
- if not should_display_on(context.screen) then
- return 0, 0
- end
-
- local num_entries = capi.awesome.systray()
- local base = base_size
- local spacing = beautiful.systray_icon_spacing or 0
- if num_entries == 0 then
- return 0, 0
- end
- if base == nil then
- if width < height then
- base = width
- else
- base = height
- end
- end
- base = base + spacing
- if horizontal then
- return base * num_entries - spacing, base
- end
- return base, base * num_entries - spacing
-end
-
--- Check if the function was called like :foo() or .foo() and do the right thing
-local function get_args(self, ...)
- if self == instance then
- return ...
- end
- return self, ...
-end
-
---- Set the size of a single icon.
--- If this is set to nil, then the size is picked dynamically based on the
--- available space. Otherwise, any single icon has a size of `size`x`size`.
--- @tparam integer|nil size The base size
-function systray:set_base_size(size)
- base_size = get_args(self, size)
- if instance then
- instance:emit_signal("widget::layout_changed")
- end
-end
-
---- Decide between horizontal or vertical display.
--- @tparam boolean horiz Use horizontal mode?
-function systray:set_horizontal(horiz)
- horizontal = get_args(self, horiz)
- if instance then
- instance:emit_signal("widget::layout_changed")
- end
-end
-
---- Should the systray icons be displayed in reverse order?
--- @tparam boolean rev Display in reverse order
-function systray:set_reverse(rev)
- reverse = get_args(self, rev)
- if instance then
- instance:emit_signal("widget::redraw_needed")
- end
-end
-
---- Set the screen that the systray should be displayed on.
--- This can either be a screen, in which case the systray will be displayed on
--- exactly that screen, or the string `"primary"`, in which case it will be
--- visible on the primary screen. The default value is "primary".
--- @tparam screen|"primary" s The screen to display on.
-function systray:set_screen(s)
- display_on_screen = get_args(self, s)
- if instance then
- instance:emit_signal("widget::layout_changed")
- end
-end
-
---- Create the systray widget.
--- Note that this widget can only exist once.
--- @tparam boolean revers Show in the opposite direction
--- @treturn table The new `systray` widget
--- @function wibox.widget.systray
-
-local function new(revers)
- local ret = wbase.make_widget()
-
- util.table.crush(ret, systray, true)
-
- if revers then
- ret:set_reverse(true)
- end
-
- capi.awesome.connect_signal("systray::update", function()
- ret:emit_signal("widget::layout_changed")
- ret:emit_signal("widget::redraw_needed")
- end)
- capi.screen.connect_signal("primary_changed", function()
- if display_on_screen == "primary" then
- ret:emit_signal("widget::layout_changed")
- end
- end)
-
- return ret
-end
-
-function systray.mt:__call(...)
- if not instance then
- instance = new(...)
- end
- return instance
-end
-
-return setmetatable(systray, systray.mt)
-
--- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80