Module: `wibox.layout.fixed`

Usage example

Usage:

wibox.widget {
    generic_widget( 'first'  ),
    generic_widget( 'second' ),
    generic_widget( 'third'  ),
    layout  = wibox.layout.fixed.horizontal
}

Info:

Copyright: 2010 Uli Schlachter
Author: Uli Schlachter

Constructors

wibox.layout.fixed.horizontal (...)	Returns a new horizontal fixed layout.
wibox.layout.fixed.vertical (...)	Returns a new vertical fixed layout.

Object properties

spacing_widget	widget	The widget used to fill the spacing between the layout elements.
fill_space	boolean	Set the layout’s fill_space property.
spacing	number	Add spacing between each layout widgets.
children	table	Get or set the children elements.	Inherited from wibox.widget
all_children	table	Get all direct and indirect children widgets.	Inherited from wibox.widget
forced_height	number or nil	Force a widget height.	Inherited from wibox.widget
forced_width	number or nil	Force a widget width.	Inherited from wibox.widget
opacity	number	The widget opacity (transparency).	Inherited from wibox.widget
visible	boolean	The widget visibility.	Inherited from wibox.widget
buttons	table	The widget buttons.	Inherited from wibox.widget

Object methods

:add (...)	Add some widgets to the given layout.
:remove (index)	Remove a widget from the layout.
:remove_widgets (...)	Remove one or more widgets from the layout.
:replace_widget (widget, widget2[, recursive=false])	Replace the first instance of `widget` in the layout with `widget2`.
:insert (index, widget)	Insert a new widget in the layout at position `index`.
:set (index, widget2)	Set a widget at a specific index, replace the current one.
:replace_widget (widget, widget2[, recursive=false])	Replace the first instance of `widget` in the layout with `widget2`.
:swap (index1, index2)	Swap 2 widgets in a layout.
:swap_widgets (widget1, widget2[, recursive=false])	Swap 2 widgets in a layout.
:reset ()	Reset a ratio layout.
:setup {[args]}	Set a declarative widget hierarchy description.	Inherited from wibox.widget
:add_button (button)	Add a new awful.button to this widget.	Inherited from wibox.widget
:emit_signal_recursive (signal_name, ...)	Emit a signal and ensure all parent widgets in the hierarchies also forward the signal.	Inherited from wibox.widget
:emit_signal (name, ...)	Emit a signal.	Inherited from gears.object
:connect_signal (name, func)	Connect to a signal.	Inherited from gears.object
:weak_connect_signal (name, func)	Connect to a signal weakly.	Inherited from gears.object

Signals

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

Constructors

wibox.layout.fixed.horizontal (...)

Returns a new horizontal fixed layout. Each widget will get as much space as it asks for and each widget will be drawn next to its neighboring widget. Widgets can be added via :add() or as arguments to this function. Note that widgets ignore forced_height. They will use the preferred/minimum width on the horizontal axis, and a stretched height on the vertical axis.

Parameters:

... widget Widgets that should be added to the layout.

wibox.layout.fixed.vertical (...)

Returns a new vertical fixed layout. Each widget will get as much space as it asks for and each widget will be drawn next to its neighboring widget. Widgets can be added via :add() or as arguments to this function. Note that widgets ignore forced_width. They will use the preferred/minimum height on the vertical axis, and a stretched width on the horizontal axis.

Parameters:

... widget Widgets that should be added to the layout.

Object properties

spacing_widget (widget) · 1 signal

The widget used to fill the spacing between the layout elements.

By default, no widget is used.

Usage example

Usage:

-- Use the separator widget directly
local w1 = wibox.widget {
    spacing        = 10,
    spacing_widget = wibox.widget.separator,
    layout         = wibox.layout.fixed.horizontal
}
-- Use a standard declarative widget construct
local w2 = wibox.widget {
    spacing = 10,
    spacing_widget = {
        color  = '#00ff00',
        shape  = gears.shape.circle,
        widget = wibox.widget.separator,
    },
    layout = wibox.layout.fixed.horizontal
}
-- Use composed widgets
local w3 = wibox.widget {
    spacing = 10,
    spacing_widget = {
        {
            text   = 'F',
            widget = wibox.widget.textbox,
        },
        bg     = '#ff0000',
        widget = wibox.container.background,
    },
    layout = wibox.layout.fixed.horizontal
}
-- Use negative spacing to create a powerline effect
local w4 = wibox.widget {
    spacing = -12,
    spacing_widget = {
        color  = '#ff0000',
        shape  = gears.shape.powerline,
        widget = wibox.widget.separator,
    },
    layout = wibox.layout.fixed.horizontal
}

Click to display more

Emit signals:

property::spacing_widget When the spacing_widget value changes.

self wibox.layout.fixed The object which changed (useful when connecting many object to the same callback).
new_value spacing_widget The new value affected to the property.

fill_space (boolean) · 1 signal

Set the layout’s fill_space property. If this property is true, the last widget will get all the space that is left. If this is false, the last widget won’t be handled specially and there can be space left unused.
Click to display more

Emit signals:

property::fill_space When the fill_space value changes.

self wibox.layout.fixed The object which changed (useful when connecting many object to the same callback).
new_value fill_space The new value affected to the property.

spacing (number) · 1 signal

Add spacing between each layout widgets.

Usage example

Type constraints:

spacing number Spacing between widgets.

Usage:

for i=1, 5 do
    local w = wibox.widget {
        first,
        second,
        third,
        spacing = i*3,
        layout  = wibox.layout.fixed.horizontal
    }
end

Click to display more

Emit signals:

property::spacing When the spacing value changes.

self wibox.layout.fixed The object which changed (useful when connecting many object to the same callback).
new_value spacing The new value affected to the property.

children (table) · Inherited from wibox.widget

Get or set the children elements.

Type constraints:

children table The children.

all_children (table) · Inherited from wibox.widget

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.

Type constraints:

children table The children.

forced_height (number or nil) · Inherited from wibox.widget

Force a widget height.

Type constraints:

height number or nil The height (nil for automatic)

forced_width (number or nil) · Inherited from wibox.widget

Force a widget width.

Type constraints:

width number or nil The width (nil for automatic)

opacity (number) · Inherited from wibox.widget

The widget opacity (transparency).

Type constraints:

opacity number The opacity (between 0 and 1) (default 1)

visible (boolean) · Inherited from wibox.widget

The widget visibility.

buttons (table) · Inherited from wibox.widget

The widget buttons.

The table contains a list of awful.button objects.

Object methods

:add (...)

Add some widgets to the given layout.

Parameters:

... widget Widgets that should be added (must at least be one).

:remove (index)

Remove a widget from the layout.

Parameters:

index number The widget index to remove

Returns:

boolean

:remove_widgets (...)

Remove one or more widgets from the layout.

The last parameter can be a boolean, forcing a recursive seach of the widget(s) to remove.

Parameters:

... widget Widgets that should be removed (must at least be one)

Returns:

boolean

:replace_widget (widget, widget2[, recursive=false])

Replace the first instance of widget in the layout with widget2.

Parameters:

widget widget The widget to replace
widget2 widget The widget to replace widget with
recursive boolean Digg in all compatible layouts to find the widget. (default false)

Returns:

boolean

:insert (index, widget) · 1 signal

Insert a new widget in the layout at position index.

Parameters:

index number The position.
widget widget The widget.

Returns:

boolean

Click to display more

Emit signals:

widget::inserted

self widget The fixed layout.
widget widget index The inserted widget.
count number The widget count.

:set (index, widget2) · 1 signal

Set a widget at a specific index, replace the current one.

Parameters:

index number A widget or a widget index
widget2 widget The widget to take the place of the first one

Returns:

boolean

Click to display more

Emit signals:

widget::replaced

self widget The layout.
widget widget index The inserted widget.
previous widget The previous widget.
index number The replaced index.

:replace_widget (widget, widget2[, recursive=false]) · 1 signal

Replace the first instance of widget in the layout with widget2.

Signal: widget::replaced The argument is the new widget and the old one and the index.

Parameters:

widget widget The widget to replace
widget2 widget The widget to replace widget with
recursive boolean Dig in all compatible layouts to find the widget. (default false)

Returns:

boolean

Click to display more

Emit signals:

widget::replaced

self widget The layout.
widget widget index The inserted widget.
previous widget The previous widget.
index number The replaced index.

:swap (index1, index2) · 1 signal

Swap 2 widgets in a layout.

Parameters:

index1 number The first widget index
index2 number The second widget index

Returns:

boolean

Click to display more

Emit signals:

widget::swapped

self widget The layout.
widget1 widget index The first widget.
widget2 widget index The second widget.
index1 number The first index.
index1 number The second index.

:swap_widgets (widget1, widget2[, recursive=false]) · 1 signal

Swap 2 widgets in a layout. If widget1 is present multiple time, only the first instance is swapped Signal: widget::swapped The arguments are both widgets and both (new) indexes. if the layouts not the same, then only widget::replaced will be emitted.

Parameters:

widget1 widget The first widget
widget2 widget The second widget
recursive boolean Dig in all compatible layouts to find the widget. (default false)

Returns:

boolean

Click to display more

Emit signals:

widget::swapped

self widget The layout.
widget1 widget index The first widget.
widget2 widget index The second widget.
index1 number The first index.
index1 number The second index.

:reset () · 1 signal

Reset a ratio layout. This removes all widgets from the layout.
Click to display more

Emit signals:

widget::reset

self widget The layout.

:setup {[args]} · Inherited from wibox.widget

Set a declarative widget hierarchy description. See The declarative layout system

Parameters:

args An array containing the widgets disposition

:add_button (button) · Inherited from wibox.widget

Add a new awful.button to this widget.

Parameters:

button awful.button The button to add.

:emit_signal_recursive (signal_name, ...) · Inherited from wibox.widget

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.

Parameters:

signal_name string
... Other arguments

:emit_signal (name, ...) · Inherited from gears.object

Emit a signal.

Parameters:

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().

:connect_signal (name, func) · Inherited from gears.object

Connect to a signal.

Parameters:

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

:weak_connect_signal (name, func) · Inherited from gears.object

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.

Parameters:

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

Signals

widget::layout_changed · Inherited from wibox.widget

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.

Arguments:

self table The current object instance itself.
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.

Arguments:

self table The current object instance itself.
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.

Arguments:

self table The current object instance itself.
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.

Arguments:

self table The current object instance itself.
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.

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Contents

Widget layouts

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Input handling

Declarative rules

Widgets

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Utility libraries

Theme related libraries

Libraries

Sample files

Classes

Documentation

Module: wibox.layout.fixed

Usage:

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Constructors

Object properties

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Signals

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Module: `wibox.layout.fixed`