Class wibox.widget.separator - awesome API documentation

# Class `wibox.widget.separator`

A flexible separator widget.

By default, this widget display a simple line, but can be extended by themes (or directly) to display much more complex visuals.

This widget is mainly intended to be used alongside the `spacing_widget` property supported by various layouts such as:

- wibox.layout.fixed
- wibox.layout.flex
- wibox.layout.ratio

When used with these layouts, it is also possible to provide custom clipping functions. This is useful when the layout has overlapping widgets (negative spacing).

### Usage:

    wibox.widget {
        widget = wibox.widget.separator
    }

### Info:

- Copyright: 2014, 2017 Emmanuel Lepage Vallee
- Author: Emmanuel Lepage Vallee <elv1313@gmail.com>

## Object properties

orientation | The separator's orientation.
thickness | The separator's thickness.
shape | The separator's shape.
span_ratio | The relative percentage covered by the bar.
color | The separator's color.
border_color | The separator's border color.
border_width | The separator's border width.
forced_height | Force a widget height.
forced_width | Force a widget width.
opacity | The widget opacity (transparency).
visible | The widget visibility.

## Signals

widget::layout_changed | When the layout (size) change.
widget::redraw_needed | When the widget content changed.
button::press | When a mouse button is pressed over the widget.
button::release | When a mouse button is released over the widget.
mouse::enter | When the mouse enter a widget.
mouse::leave | When the mouse leave a widget.

## Theme variables

beautiful.separator_thickness | The separator thickness.
beautiful.separator_border_color | The separator border color.
beautiful.separator_border_width | The separator border width.
beautiful.separator_span_ratio | The relative percentage covered by the bar.
beautiful.separator_color | The separator's color.
beautiful.separator_shape | The separator's shape.

## Methods

wibox.widget.separator:get_all_children () | Get all direct and indirect children widgets.
wibox.widget.separator:setup (args) | Set a declarative widget hierarchy description.
wibox.widget.separator:buttons (_buttons) | Set/get a widget's buttons.
wibox.widget.separator:emit_signal_recursive (signal_name, ...) | Emit a signal and ensure all parent widgets in the hierarchies also forward the signal.
wibox.widget.separator:emit_signal (name, ...) | Emit a signal.
wibox.widget.separator:connect_signal (name, func) | Connect to a signal.
wibox.widget.separator:weak_connect_signal (name, func) | Connect to a signal weakly.

## Object properties

orientation
  The separator's orientation.

  Valid values are:

  - vertical: From top to bottom
  - horizontal: From left to right
  - auto: Decide depending on the widget geometry (default)

  The default value is selected automatically. If the widget is taller than large, it will use vertical and vice versa.

  ### Type:

  - string
thickness
  The separator's thickness.

  This is used by the default line separator, but ignored when a shape is used.

  ### Type:

  - number
shape
  The separator's shape.

  ### Type:

  - shape function A valid shape function

  ### See also:

  gears.shape

  ### Usage:

      for _, s in ipairs { 'losange' ,'circle', 'isosceles_triangle', 'cross' } do
          local w = wibox.widget {
              shape  = gears.shape[s],
              widget = wibox.widget.separator,
          }
      end

span_ratio
  The relative percentage covered by the bar.

  ### Type:

  - A number number between 0 and 1. (default 1)
color
  The separator's color.

  ### Type:

  - string

  ### See also:

  gears.color
border_color
  The separator's border color.

  ### Type:

  - string

  ### See also:

  gears.color

  ### Usage:

      wibox.widget {
          shape        = gears.shape.circle,
          color        = '#00000000',
          border_width = 1,
          border_color = beautiful.bg_normal,
          widget       = wibox.widget.separator,
      }

border_width
  The separator's border width.

  ### Type:

  - number
forced_height
  Force a widget height.

  ### Type:

  - height number or nil The height (`nil` for automatic)
forced_width
  Force a widget width.

  ### Type:

  - width number or nil The width (`nil` for automatic)
opacity
  The widget opacity (transparency).

  ### Type:

  - opacity number The opacity (between 0 and 1) (default 1)
visible
  The widget visibility.

  ### Type:

  - boolean

## Signals

widget::layout_changed
  When the layout (size) change. This signal is emitted when the previous results of `:layout()` and `:fit()` are no longer valid. Unless this signal is emitted, `:layout()` and `:fit()` must return the same result when called with the same arguments.

  ### See also:

  widget::redraw_needed
widget::redraw_needed
  When the widget content changed. This signal is emitted when the content of the widget changes. The widget will be redrawn, it is not re-layouted. Put differently, it is assumed that `:layout()` and `:fit()` would still return the same results as before.

  ### See also:

  widget::layout_changed
button::press
  When a mouse button is pressed over the widget.

  ### Arguments:

  - lx number The horizontal position relative to the (0,0) position in the widget.
  - ly number The vertical position relative to the (0,0) position in the widget.
  - button number The button number.
  - mods table The modifiers (mod4, mod1 (alt), Control, Shift)
  - find_widgets_result The entry from the result of wibox.drawable:find_widgets for the position that the mouse hit.
    - drawable wibox.drawable The drawable containing the widget.
    - widget widget The widget being displayed.
    - hierarchy wibox.hierarchy The hierarchy managing the widget's geometry.
    - x number An approximation of the X position that the widget is visible at on the surface.
    - y number An approximation of the Y position that the widget is visible at on the surface.
    - width number An approximation of the width that the widget is visible at on the surface.
    - height number An approximation of the height that the widget is visible at on the surface.
    - widget_width number The exact width of the widget in its local coordinate system.
    - widget_height number The exact height of the widget in its local coordinate system.

  ### See also:

  mouse
button::release
  When a mouse button is released over the widget.

  ### Arguments:

  - lx number The horizontal position relative to the (0,0) position in the widget.
  - ly number The vertical position relative to the (0,0) position in the widget.
  - button number The button number.
  - mods table The modifiers (mod4, mod1 (alt), Control, Shift)
  - find_widgets_result The entry from the result of wibox.drawable:find_widgets for the position that the mouse hit.
    - drawable wibox.drawable The drawable containing the widget.
    - widget widget The widget being displayed.
    - hierarchy wibox.hierarchy The hierarchy managing the widget's geometry.
    - x number An approximation of the X position that the widget is visible at on the surface.
    - y number An approximation of the Y position that the widget is visible at on the surface.
    - width number An approximation of the width that the widget is visible at on the surface.
    - height number An approximation of the height that the widget is visible at on the surface.
    - widget_width number The exact width of the widget in its local coordinate system.
    - widget_height number The exact height of the widget in its local coordinate system.

  ### See also:

  mouse
mouse::enter
  When the mouse enter a widget.

  ### Arguments:

  - find_widgets_result The entry from the result of wibox.drawable:find_widgets for the position that the mouse hit.
    - drawable wibox.drawable The drawable containing the widget.
    - widget widget The widget being displayed.
    - hierarchy wibox.hierarchy The hierarchy managing the widget's geometry.
    - x number An approximation of the X position that the widget is visible at on the surface.
    - y number An approximation of the Y position that the widget is visible at on the surface.
    - width number An approximation of the width that the widget is visible at on the surface.
    - height number An approximation of the height that the widget is visible at on the surface.
    - widget_width number The exact width of the widget in its local coordinate system.
    - widget_height number The exact height of the widget in its local coordinate system.

  ### See also:

  mouse
mouse::leave
  When the mouse leave a widget.

  ### Arguments:

  - find_widgets_result The entry from the result of wibox.drawable:find_widgets for the position that the mouse hit.
    - drawable wibox.drawable The drawable containing the widget.
    - widget widget The widget being displayed.
    - hierarchy wibox.hierarchy The hierarchy managing the widget's geometry.
    - x number An approximation of the X position that the widget is visible at on the surface.
    - y number An approximation of the Y position that the widget is visible at on the surface.
    - width number An approximation of the width that the widget is visible at on the surface.
    - height number An approximation of the height that the widget is visible at on the surface.
    - widget_width number The exact width of the widget in its local coordinate system.
    - widget_height number The exact height of the widget in its local coordinate system.

  ### See also:

  mouse

## Theme variables

beautiful.separator_thickness
  The separator thickness.

  ### Type:

  - number

  ### See also:

  wibox.widget.separator.thickness
beautiful.separator_border_color
  The separator border color.

  ### See also:

  wibox.widget.separator.border_color
beautiful.separator_border_width
  The separator border width.

  ### Type:

  - number

  ### See also:

  wibox.widget.separator.border_width
beautiful.separator_span_ratio
  The relative percentage covered by the bar.

  ### Type:

  - A number number between 0 and 1. (default 1)
beautiful.separator_color
  The separator's color.

  ### Type:

  - string

  ### See also:

  gears.color
beautiful.separator_shape
  The separator's shape.

  ### Type:

  - shape function A valid shape function

  ### See also:

  gears.shape

## Methods

wibox.widget.separator:get_all_children ()
  Get all direct and indirect children widgets. This will scan all containers recursively to find widgets Warning: This method it prone to stack overflow id the widget, or any of its children, contain (directly or indirectly) itself.

  ### Returns:

  table The children
wibox.widget.separator:setup (args)
  Set a declarative widget hierarchy description. See The declarative layout system
  - args An array containing the widgets disposition
wibox.widget.separator:buttons (_buttons)
  Set/get a widget's buttons.
  - _buttons The table of buttons that should bind to the widget.
wibox.widget.separator:emit_signal_recursive (signal_name, ...)
  Emit a signal and ensure all parent widgets in the hierarchies also forward the signal. This is useful to track signals when there is a dynamic set of containers and layouts wrapping the widget.
  - signal_name string
  - ... Other arguments
wibox.widget.separator:emit_signal (name, ...)
  Emit a signal.
  - name string The name of the signal.
  - ... Extra arguments for the callback functions. Each connected function receives the object as first argument and then any extra arguments that are given to emit_signal().
wibox.widget.separator:connect_signal (name, func)
  Connect to a signal.
  - name string The name of the signal.
  - func function The callback to call when the signal is emitted.
wibox.widget.separator:weak_connect_signal (name, func)
  Connect to a signal weakly.

  This allows the callback function to be garbage collected and automatically disconnects the signal when that happens.

  Warning: Only use this function if you really, really, really know what you are doing.

  - name string The name of the signal.
  - func function The callback to call when the signal is emitted.

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