Module awful.ewmh - awesome API documentation

# Module `awful.ewmh`

Implements EWMH requests handling.

### Info:

- Copyright: 2009 Julien Danjou
- Author: Julien Danjou <julien@danjou.info>

## Functions

add_activate_filter (f[, context]) | Add an activate (focus stealing) filter function.
remove_activate_filter (f[, context]) | Remove an activate (focus stealing) filter function.

## Request handlers

awful.ewmh.activate | Activate a window.
awful.ewmh.tag | Tag a window with its requested tag.
awful.ewmh.urgent | Handle client urgent request
awful.ewmh.geometry | Move and resize the client.
awful.ewmh.merge_maximization | Merge the 2 requests sent by clients wanting to be maximized.
awful.ewmh.client_geometry_requests | Allow the client to move itself.

## Theme variables

beautiful.maximized_honor_padding | Honor the screen padding when maximizing.
beautiful.fullscreen_hide_border | Hide the border on fullscreen clients.
beautiful.maximized_hide_border | Hide the border on maximized clients.

## Tables

generic_activate_filters | The list of all registered generic request::activate (focus stealing) filters.
contextual_activate_filters | The list of all registered contextual request::activate (focus stealing) filters.

## Functions

Methods

add_activate_filter (f[, context])

  Add an activate (focus stealing) filter function.

  The callback takes the following parameters:

  - c (client) The client requesting the activation
  - context (string) The activation context.
  - hints (table) Some additional hints (depending on the context)

  If the callback returns `true`, the client will be activated. If the callback returns `false`, the activation request is cancelled unless the `force` hint is set. If the callback returns `nil`, the previous callback will be executed. This will continue until either a callback handles the request or when it runs out of callbacks. In that case, the request will be granted if the client is visible.

  For example, to block Firefox from stealing the focus, use:

      awful.ewmh.add_activate_filter(function(c)
          if c.class == "Firefox" then return false end
      end, "ewmh")

  - f function The callback
  - context string The `request::activate` context (optional)

  ### See also:

  - generic_activate_filters
  - contextual_activate_filters
  - remove_activate_filter
remove_activate_filter (f[, context])
  Remove an activate (focus stealing) filter function. This is an helper to avoid dealing with ewmh.add_activate_filter directly.
  - f function The callback
  - context string The `request::activate` context (optional)

  ### Returns:

  boolean If the callback existed

  ### See also:

  - generic_activate_filters
  - contextual_activate_filters
  - add_activate_filter

## Request handlers

awful.ewmh.activate
  Activate a window.

  This sets the focus only if the client is visible.

  It is the default signal handler for `request::activate` on a client.

  ### Arguments:

  - c client.object A client to use
  - context string The context where this signal was used.
  - hints A table with additional hints:
    - raise boolean should the client be raised? (default false)
    - switch_to_tag boolean should the client's first tag be selected if none of the client's tags are selected? (default false)
    - switch_to_tags boolean Select all tags associated with the client. (default false)
awful.ewmh.tag
  Tag a window with its requested tag.

  It is the default signal handler for `request::tag` on a client.

  ### Arguments:

  - c client.object A client to tag
  - t tag or boolean A tag to use. If true, then the client is made sticky. (optional)
  - hints table Extra information (default {})
awful.ewmh.urgent
  Handle client urgent request

  ### Arguments:

  - c client.object A client
  - urgent boolean If the client should be urgent
awful.ewmh.geometry
  Move and resize the client.

  This is the default geometry request handler.

  ### Arguments:

  - c client The client
  - context string The context
  - hints table The hints to pass to the handler (default {})
awful.ewmh.merge_maximization
  Merge the 2 requests sent by clients wanting to be maximized.

  The X clients set 2 flags (atoms) when they want to be maximized. This caused 2 request::geometry to be sent. This code gives some time for them to arrive and send a new `request::geometry` (through the property change) with the combined state.

  ### Arguments:

  - c client The client
  - context string The context
  - hints table The hints to pass to the handler (default {})
awful.ewmh.client_geometry_requests
  Allow the client to move itself.

  This is the default geometry request handler when the context is ewmh.

  ### Arguments:

  - c client The client
  - context string The context
  - hints table The hints to pass to the handler (default {})

## Theme variables

beautiful.maximized_honor_padding
  Honor the screen padding when maximizing.

  ### Type:

  - maximized_honor_padding boolean (default true)
beautiful.fullscreen_hide_border
  Hide the border on fullscreen clients.

  ### Type:

  - fullscreen_hide_border boolean (default true)
beautiful.maximized_hide_border
  Hide the border on maximized clients.

  ### Type:

  - maximized_hide_border boolean (default false)

## Tables

generic_activate_filters
  The list of all registered generic request::activate (focus stealing) filters. If a filter is added to only one context, it will be in ewmh.contextual_activate_filters["context_name"].

  ### See also:

  - ewmh.activate
  - ewmh.add_activate_filter
  - ewmh.remove_activate_filter
contextual_activate_filters
  The list of all registered contextual request::activate (focus stealing) filters. If a filter is added to only one context, it will be in ewmh.generic_activate_filters.

  ### See also:

  - ewmh.activate
  - ewmh.add_activate_filter
  - ewmh.remove_activate_filter

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