Module: awful.widget.button

A simple button widget based on a background image.

awful.widget.button {
    image   = beautiful.awesome_icon,
    buttons = {
        awful.button({}, 1, nil, function ()
            print("Mouse was clicked")
        end)
    }
}

Class Hierarchy

Info:

Constructors

awful.widget.button {[args]} Create a button widget.

Object properties

image image or nil The image rendered by the imagebox. Inherited from wibox.widget.imagebox
clip_shape shape Set a clip shape for this imagebox. Inherited from wibox.widget.imagebox
resize boolean Should the image be resized to fit into the available space? Inherited from wibox.widget.imagebox
upscale boolean Allow the image to be upscaled (made bigger). Inherited from wibox.widget.imagebox
downscale boolean Allow the image to be downscaled (made smaller). Inherited from wibox.widget.imagebox
stylesheet string Set the SVG CSS stylesheet. Inherited from wibox.widget.imagebox
dpi number or table Set the SVG DPI (dot per inch). Inherited from wibox.widget.imagebox
auto_dpi boolean Use the object DPI when rendering the SVG. Inherited from wibox.widget.imagebox
horizontal_fit_policy string Set the horizontal fit policy. Inherited from wibox.widget.imagebox
vertical_fit_policy string Set the vertical fit policy. Inherited from wibox.widget.imagebox
valign string The vertical alignment. Inherited from wibox.widget.imagebox
halign string The horizontal alignment. Inherited from wibox.widget.imagebox
max_scaling_factor number The maximum scaling factor. Inherited from wibox.widget.imagebox
scaling_quality string Set the scaling aligorithm. Inherited from wibox.widget.imagebox
children table Get or set the children elements. Inherited from wibox.widget.base
all_children table Get all direct and indirect children widgets. Inherited from wibox.widget.base
forced_height number or nil Force a widget height. Inherited from wibox.widget.base
forced_width number or nil Force a widget width. Inherited from wibox.widget.base
opacity number The widget opacity (transparency). Inherited from wibox.widget.base
visible boolean The widget visibility. Inherited from wibox.widget.base
buttons table The widget buttons. Inherited from wibox.widget.base

Object methods

:add_button (button) Add a new awful.button to this widget. Inherited from wibox.widget.base
:emit_signal_recursive (signal_name, ...) Emit a signal and ensure all parent widgets in the hierarchies also forward the signal. Inherited from wibox.widget.base
:index (widget, recursive, ...) -> (number, widget, table) Get the index of a widget. Inherited from wibox.widget.base
: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
:disconnect_signal (name, func) Disonnect from a signal. Inherited from gears.object
:emit_signal (name, ...) Emit a signal. Inherited from gears.object

Signals

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


Constructors

🔗 awful.widget.button {[args]}
Create a button widget. When clicked, the image is deplaced to make it like a real button.

Parameters:

Note: This constructors uses named parameters calling convention. It means you call it with {} and omit the parantheses. For example, calling this will all default argument would be awful.widget.button{}. This is a Lua shortcut syntax equivalent to awful.widget.button({}). args is only a placeholder name for the "lone table argument" used in named parameters calls.
Name Type(s) Description
args table Widget arguments.
image string "image" is the image to display (mandatory).
buttons table The buttons.

Returns:

    A textbox widget configured as a button.

Object properties

🔗 image image or nil · Inherited from wibox.widget.imagebox · 1 signal
The image rendered by the imagebox.

Constraints:

Default value : nil
Type description:
string : Interpreted as a path to an image file.
string : A valid SVG content.
cairo : A cairo image surface: Directly used as-is.
librsvg : A librsvg handle object: Directly used as-is.
nil : Unset the image.

Click to display more

Emit signals:

  • property::image When the image value changes.
    • self wibox.widget.imagebox The object which changed (useful when connecting many object to the same callback).
🔗 clip_shape shape · Inherited from wibox.widget.imagebox · 1 signal
Set a clip shape for this imagebox.

A clip shape defines an area and dimension to which the content should be trimmed.

Constraints:

Default value : gears.shape.rectangle
Type description:
gears.shape : Like gears.shape.circle
function: : This can be used for custom shapes or to set parameters of existing shapes.
Function prototype:
Parameters:
cr (cairo.context) : A Cairo context
width (number) : The area width.
height (number) : The area height.
Return : The function returns nothing.
Valid values : A gears.shape compatible shape function.

See also:

gears.shape Module dedicated to gather common shape painters. module

Usage:

    for _, resize in ipairs {true, false} do
        for idx, shape in ipairs {gears.shape.circle, gears.shape.squircle, gears.shape.rounded_rect} do
            local w = wibox.widget {
                {
                    {
                        image         = beautiful.awesome_icon,
                        forced_height = 32,
                        forced_width  = 32,
                        clip_shape    = shape,
                        resize        = resize,
                        widget        = wibox.widget.imagebox
                    },
                    widget = wibox.container.place
                },
                widget = wibox.container.background
            }
        end
    end

Click to display more

Emit signals:

  • property::clip_shape When the clip_shape value changes.
    • self wibox.widget.imagebox The object which changed (useful when connecting many object to the same callback).
    • new_value clip_shape The new value affected to the property.
🔗 resize boolean · Inherited from wibox.widget.imagebox · 1 signal
Should the image be resized to fit into the available space?

Note that upscale and downscale can affect the value of resize. If conflicting values are passed to the constructor, then the result is undefined.

Constraints:

Default value : true
Valid values : true or false.

Click to display more

Emit signals:

  • property::resize When the resize value changes.
    • self wibox.widget.imagebox The object which changed (useful when connecting many object to the same callback).
    • new_value resize The new value affected to the property.
🔗 upscale boolean · Inherited from wibox.widget.imagebox
Allow the image to be upscaled (made bigger).

Note that upscale and downscale can affect the value of resize. If conflicting values are passed to the constructor, then the result is undefined.

Constraints:

Default value : self.resize
Valid values : true or false.

See also:

downscale Allow the image to be downscaled (made smaller). object properties
resize Should the image be resized to fit into the available space? object properties
🔗 downscale boolean · Inherited from wibox.widget.imagebox
Allow the image to be downscaled (made smaller).

Note that upscale and downscale can affect the value of resize. If conflicting values are passed to the constructor, then the result is undefined.

Constraints:

Default value : self.resize
Valid values : true or false.

See also:

upscale Allow the image to be upscaled (made bigger). object properties
resize Should the image be resized to fit into the available space? object properties
🔗 stylesheet string · Inherited from wibox.widget.imagebox · 1 signal
Set the SVG CSS stylesheet.

If the image is an SVG (vector graphics), this property allows to set a CSS stylesheet. It can be used to set colors and much more.

Note that this property is a string, not a path. If the stylesheet is stored on disk, read the content first.

Constraints:

Default value : ""

Usage:

    local image = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>'..
        '<svg width="190" height="60">'..
            '<rect x="10"  y="10" width="50" height="50" />'..
            '<rect x="70"  y="10" width="50" height="50" class="my_class" />'..
            '<rect x="130" y="10" width="50" height="50" id="my_id" />'..
        '</svg>'
    
    local stylesheet = "" ..
         "rect { fill: #ffff00; } "..
         ".my_class { fill: #00ff00; } "..
         "#my_id { fill: #0000ff; }"
    
    local w = wibox.widget {
        stylesheet = stylesheet,
        image      = image,
        widget     = wibox.widget.imagebox
    }

Click to display more

Emit signals:

  • property::stylesheet When the stylesheet value changes.
    • self wibox.widget.imagebox The object which changed (useful when connecting many object to the same callback).
    • new_value stylesheet The new value affected to the property.
🔗 dpi number or table · Inherited from wibox.widget.imagebox · 1 signal
Set the SVG DPI (dot per inch).

Force a specific DPI when rendering the .svg. For other file formats, this does nothing.

It can either be a number of a table containing the x and y keys.

Please note that DPI and resize can "fight" each other and end up making the image smaller instead of bigger.

Constraints:

Default value : 96
Negative allowed : false

See also:

auto_dpi Use the object DPI when rendering the SVG. object properties

Usage:

    local image = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>'..
        '<svg width="2in" height="1in">'..
            '<rect height="0.1in" width="0.1in" style="fill:red;" />'..
            '<text x="10" y="32" width="150" style="font-size: 0.1in;">Hello world!</text>'..
        '</svg>'
    
     for _, dpi in ipairs {100, 200, 300} do
         local w = wibox.widget {
            image         = image,
            dpi           = dpi,
            resize        = false,
            forced_height = 70,
            forced_width  = 150,
            widget        = wibox.widget.imagebox
        }
     end

Click to display more

Emit signals:

  • property::dpi When the dpi value changes.
    • self wibox.widget.imagebox The object which changed (useful when connecting many object to the same callback).
    • new_value dpi The new value affected to the property.
🔗 auto_dpi boolean · Inherited from wibox.widget.imagebox · 1 signal
Use the object DPI when rendering the SVG.

By default, the SVG are interpreted as-is. When this property is set, the screen DPI will be passed to the SVG renderer. Depending on which tool was used to create the .svg, this may do nothing at all. However, for example, if the .svg uses <text> elements and doesn't have an hardcoded stylesheet, the result will differ.

Constraints:

Default value : false
Valid values : true or false.

See also:

dpi Set the SVG DPI (dot per inch). object properties

Click to display more

Emit signals:

  • property::auto_dpi When the auto_dpi value changes.
    • self wibox.widget.imagebox The object which changed (useful when connecting many object to the same callback).
    • new_value auto_dpi The new value affected to the property.
🔗 horizontal_fit_policy string · Inherited from wibox.widget.imagebox · 1 signal
Set the horizontal fit policy.

Here is the result for a 22x32 image:

Constraints:

Default value : "auto"
Valid values:
"auto" : Honor the resize variable and preserve the aspect ratio.
"none" : Do not resize at all.
"fit" : Resize to the widget width.

See also:

vertical_fit_policy Set the vertical fit policy. object properties
resize Should the image be resized to fit into the available space? object properties

Click to display more

Emit signals:

  • property::horizontal_fit_policy When the horizontal_fit_policy value changes.
    • self wibox.widget.imagebox The object which changed (useful when connecting many object to the same callback).
    • new_value horizontal_fit_policy The new value affected to the property.
🔗 vertical_fit_policy string · Inherited from wibox.widget.imagebox · 1 signal
Set the vertical fit policy.

Here is the result for a 32x22 image:

Constraints:

Default value : "auto"
Valid values:
"auto" : Honor the resize variable and preserve the aspect ratio.
"none" : Do not resize at all.
"fit" : Resize to the widget height.

See also:

horizontal_fit_policy Set the horizontal fit policy. object properties
resize Should the image be resized to fit into the available space? object properties

Click to display more

Emit signals:

  • property::vertical_fit_policy When the vertical_fit_policy value changes.
    • self wibox.widget.imagebox The object which changed (useful when connecting many object to the same callback).
    • new_value vertical_fit_policy The new value affected to the property.
🔗 valign string · Inherited from wibox.widget.imagebox · 1 signal
The vertical alignment.

Constraints:

Default value : "center"
Valid values:
"top"
"center"
"bottom"

See also:

wibox.container.place A container used to place smaller widgets into larger space. module
halign The horizontal alignment. object properties

Usage:

    for _, resize in ipairs {true, false} do
        for _, valign in ipairs {"top", "center", "bottom"} do
            local w = wibox.widget {
                {
                    {
                        image         = beautiful.awesome_icon,
                        forced_height = 32,
                        forced_width  = 32,
                        valign        = valign,
                        resize        = resize,
                        widget        = wibox.widget.imagebox
                    },
                    bg     = beautiful.bg_normal,
                    widget = wibox.container.background
                },
                widget = wibox.container.place
            }
        end
    end

Click to display more

Emit signals:

  • property::valign When the valign value changes.
    • self wibox.widget.imagebox The object which changed (useful when connecting many object to the same callback).
    • new_value valign The new value affected to the property.
🔗 halign string · Inherited from wibox.widget.imagebox · 1 signal
The horizontal alignment.

Constraints:

Default value : "center"
Valid values:
"left"
"center"
"right"

See also:

wibox.container.place A container used to place smaller widgets into larger space. module
valign The vertical alignment. object properties

Usage:

    for _, resize in ipairs {true, false} do
        for _, halign in ipairs {"left", "center", "right"} do
            local w = wibox.widget {
                {
                    {
                        image         = beautiful.awesome_icon,
                        forced_height = 32,
                        forced_width  = 32,
                        halign        = halign,
                        resize        = resize,
                        widget        = wibox.widget.imagebox
                    },
                    bg     = beautiful.bg_normal,
                    widget = wibox.container.background
                },
                widget = wibox.container.place
            }
        end
    end

Click to display more

Emit signals:

  • property::halign When the halign value changes.
    • self wibox.widget.imagebox The object which changed (useful when connecting many object to the same callback).
    • new_value halign The new value affected to the property.
🔗 max_scaling_factor number · Inherited from wibox.widget.imagebox · 1 signal
The maximum scaling factor.

If an image is scaled too much, it gets very blurry. This property allows to limit the scaling. Use the properties valign and halign to control how the image will be aligned.

In the example below, the original size is 22x22

Constraints:

Default value : 0
Negative allowed : false
Valid values : Use 0 for "no limit".

See also:

valign The vertical alignment. object properties
halign The horizontal alignment. object properties
scaling_quality Set the scaling aligorithm. object properties

Click to display more

Emit signals:

  • property::max_scaling_factor When the max_scaling_factor value changes.
    • self wibox.widget.imagebox The object which changed (useful when connecting many object to the same callback).
    • new_value max_scaling_factor The new value affected to the property.
🔗 scaling_quality string · Inherited from wibox.widget.imagebox · 1 signal
Set the scaling aligorithm.

Depending on how the image is used, what is the "correct" way to scale can change. For example, upscaling a pixel art image should not make it blurry. However, scaling up a photo should not make it blocky.

Value Description
fastA high-performance filter
goodA reasonable-performance filter
bestThe highest-quality available
nearestNearest-neighbor filtering (blocky)
bilinearLinear interpolation in two dimensions

The image used in the example below has a resolution of 32x22 and is intentionally blocky to highlight the difference. It is zoomed by a factor of 3.

Constraints:

Default value : "good"
Valid values:
"fast" : A high-performance filter.
"good" : A reasonable-performance filter.
"best" : The highest-quality available.
"nearest" : Nearest-neighbor filtering (blocky).
"bilinear" : Linear interpolation in two dimensions.

See also:

resize Should the image be resized to fit into the available space? object properties
horizontal_fit_policy Set the horizontal fit policy. object properties
vertical_fit_policy Set the vertical fit policy. object properties
max_scaling_factor The maximum scaling factor. object properties

Usage:

    for _, quality in ipairs {"fast", "good", "best", "nearest", "bilinear"} do
       local w = wibox.widget {
           {
               {
                   image           = img,
                   forced_height   = 64,
                   forced_width    = 96,
                   scaling_quality = quality,
                   widget          = wibox.widget.imagebox
               },
               widget = wibox.container.place
           },
           widget = wibox.container.background
       }
    end

Click to display more

Emit signals:

  • property::scaling_quality When the scaling_quality value changes.
    • self wibox.widget.imagebox The object which changed (useful when connecting many object to the same callback).
    • new_value scaling_quality The new value affected to the property.
🔗 children table · Inherited from wibox.widget.base
Get or set the children elements.

Constraints:

Default value : {}
Table content : A list of wibox.widget.

See also:

all_children Get all direct and indirect children widgets. object properties
🔗 all_children table · Inherited from wibox.widget.base
Get all direct and indirect children widgets. This will scan all containers recursively to find widgets Warning: This method it prone to stack overflow if there is a loop in the widgets hierarchy. A hierarchy loop is when a widget, or any of its children, contain (directly or indirectly) itself.

Constraints:

Default value : {}
Table content : A list of wibox.widget.

See also:

children Get or set the children elements. object properties
🔗 forced_height number or nil · Inherited from wibox.widget.base
Force a widget height.

Constraints:

Default value : nil
Type description:
nil : Let the layout decide the height. Usually using the widget native height.
number : Enforce a number of pixels.
Unit : pixel
Negative allowed : false

See also:

forced_width Force a widget width. object properties
🔗 forced_width number or nil · Inherited from wibox.widget.base
Force a widget width.

Constraints:

Default value : nil
Type description:
nil : Let the layout decide the width. Usually using the widget native width.
number : Enforce a number of pixels.
Unit : pixel
Negative allowed : false

See also:

forced_height Force a widget height. object properties
🔗 opacity number · Inherited from wibox.widget.base
The widget opacity (transparency).

Constraints:

Default value : 1.0
Unit : A gradient between transparent (0.0) and opaque (1.0).
Minimum value : 0.0
Maximum value : 1.0

See also:

visible The widget visibility. object properties
🔗 visible boolean · Inherited from wibox.widget.base
The widget visibility.

Constraints:

Default value : true
Valid values : true or false.

See also:

opacity The widget opacity (transparency). object properties
🔗 buttons table · Inherited from wibox.widget.base
The widget buttons.

The table contains a list of awful.button objects.

Constraints:

Default value : {}
Table content : A list of awful.button.

See also:

awful.button Create easily new buttons objects ignoring certain modifiers. module

Object methods

🔗 :add_button (button) · Inherited from wibox.widget.base
Add a new awful.button to this widget.

Parameters:

Name Type(s) Description
button awful.button The button to add.
🔗 :emit_signal_recursive (signal_name, ...) · Inherited from wibox.widget.base

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.

Note that this function has some flaws:

  1. The signal is only forwarded once the widget tree has been built. This happens after all currently scheduled functions have been executed. Therefore, it will not start to work right away.
  2. In case the widget is present multiple times in a single widget tree, this function will also forward the signal multiple times (once per upward tree path).
  3. If the widget is removed from the widget tree, the signal is still forwarded for some time, similar to the first case.

Parameters:

Name Type(s) Description
signal_name string
... Other arguments
🔗 :index (widget, recursive, ...) -> (number, widget, table) · Inherited from wibox.widget.base
Get the index of a widget.

Parameters:

Name Type(s) Description
widget widget The widget to look for.
recursive Optional boolean Recursively check accross the sub-widgets hierarchy.
... Optional widget Additional widgets to add at the end of the sub-widgets hierarchy "path".

Returns:

  1. number The widget index.
  2. widget The parent widget.
  3. table The hierarchy path between "self" and "widget".
🔗 :connect_signal (name, func) · Inherited from gears.object

Connect to a signal.

Usage example output:

In slot [obj]   nil nil nil
In slot [obj]   foo bar 42

Parameters:

Name Type(s) Description
name string The name of the signal.
func function The callback to call when the signal is emitted.

Usage:

    local o = gears.object{}
    -- Function can be attached to signals
    local function slot(obj, a, b, c)
        print("In slot", obj, a, b, c)
    end
    o:connect_signal("my_signal", slot)
    -- Emitting can be done without arguments. In that case, the object will be
    -- implicitly added as an argument.
    o:emit_signal "my_signal"
    -- It is also possible to add as many random arguments are required.
    o:emit_signal("my_signal", "foo", "bar", 42)
    -- Finally, to allow the object to be garbage collected (the memory freed), it
    -- is necessary to disconnect the signal or use weak_connect_signal
    o:disconnect_signal("my_signal", slot)
    -- This time, the slot wont be called as it is no longer connected.
    o:emit_signal "my_signal"
🔗 :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 Type(s) Description
name string The name of the signal.
func function The callback to call when the signal is emitted.
🔗 :disconnect_signal (name, func) · Inherited from gears.object
Disonnect from a signal.

Parameters:

Name Type(s) Description
name string The name of the signal.
func function The callback that should be disconnected.
🔗 :emit_signal (name, ...) · Inherited from gears.object
Emit a signal.

Parameters:

Name Type(s) Description
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()

Signals

🔗 widget::layout_changed · Inherited from wibox.widget.base
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 When the widget content changed. signals
🔗 widget::redraw_needed · Inherited from wibox.widget.base
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 When the layout (size) change. signals
🔗 button::press · Inherited from wibox.widget.base
When a mouse button is pressed over the widget.

Arguments:

Name Type(s) Description
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 table The entry from the result of wibox: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 Manipulate and inspect the mouse cursor. module
🔗 button::release · Inherited from wibox.widget.base
When a mouse button is released over the widget.

Arguments:

Name Type(s) Description
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 table The entry from the result of wibox: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 Manipulate and inspect the mouse cursor. module
🔗 mouse::enter · Inherited from wibox.widget.base
When the mouse enter a widget.

Arguments:

Name Type(s) Description
self table The current object instance itself.
find_widgets_result table The entry from the result of wibox: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 Manipulate and inspect the mouse cursor. module
🔗 mouse::leave · Inherited from wibox.widget.base
When the mouse leave a widget.

Arguments:

Name Type(s) Description
self table The current object instance itself.
find_widgets_result table The entry from the result of wibox: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 Manipulate and inspect the mouse cursor. module
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