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Gtk::Statusbar

Gtk::Statusbar クラス

A Gtk::Statusbar is usually placed along the bottom of an application's main Gtk::Window. It may provide a regular commentary of the application's status (as is usually the case in a web browser, for example), or may be used to simply output a message when the status changes, (when an upload is complete in an FTP client, for example). It may also have a resize grip (a triangular area in the lower right corner) which can be clicked on to resize the window containing the statusbar.

Status bars in GTK+ maintain a stack of messages. The message at the top of the each bar's stack is the one that will currently be displayed.

Any messages added to a statusbar's stack must specify a context_id that is used to uniquely identify the source of a message. This context_id can be generated by Gtk::Statusbar#get_context_id, given a message and the statusbar that it will be added to. Note that messages are stored in a stack, and when choosing which message to display, the stack structure is adhered to, regardless of the context identifier of a message.

Status bars are created using Gtk::Statusbar.new.

Messages are added to the bar's stack with Gtk::Statusbar#push.

The message at the top of the stack can be removed using Gtk::Statusbar#pop. A message can be removed from anywhere in the stack if it's message_id was recorded at the time it was added. This is done using Gtk::Statusbar#remove.

インクルードされているモジュール

  • Gtk::Buildable?
  • Atk::Implementor
  • GLib::Interface?

クラスメソッド

Gtk::Statusbar.new
Creates a new Gtk::Statusbar ready for messages.

インスタンスメソッド

get_context_id(context_description)
Returns a new context identifier, given a description of the actual context.
  • context_description : textual description of what context the new message is being used in.
  • Returns : an integer id.
push(context_id, text)
Pushes a new message onto a statusbar's stack.
pop(context_id)
Removes the message at the top of a Gtk::StatusBar?'s stack.
  • context_id : a context identifier.
  • Returns: self
remove(context_id, message_id)
Forces the removal of a message from a statusbar's stack. The exact context_id and message_id must be specified.
  • context_id: a context identifier.
  • message_id: a message identifier, as returned by Gtk::Statusbar#push.
  • Returns: self
has_resize_grip?
Returns whether the statusbar has a resize grip.
  • Returns: true if the statusbar has a resize grip.
has_resize_grip=(setting)
Sets whether the statusbar has a resize grip. true by default.
  • setting: true to have a resize grip.
  • Returns: setting
set_has_resize_grip(setting)
Same as Gtk::Statusbar#has_resize_grip=.
  • setting: true to have a resize grip.
  • Returns: self

シグナル

text-popped: self, context_id, text
Is emitted whenever a new message is popped off a statusbar's stack.
  • self: the object which received the signal.
  • context_id: the context id of the relevant message/statusbar.
  • text: the message that was just popped.
text-pushed: self, context_id, text
Is emitted whenever a new message gets pushed onto a statusbar's stack.
  • context_id : the context id of the relevant message/statusbar.
  • text : the message that was pushed.

関連ページ

  • Gtk::Dialog - another way of reporting information to the user.

更新履歴

  • 2014-06-16 クラスのメンバで漏れているものを追加。 - きたがわ
  • Masao?
更新日時:2014/06/16 17:58:09
キーワード:
参照:[gtk2-tut-statusbar] [Gdk::Window] [Ruby/GTK Object Hierarchy] [Ruby/GTK] [Gtk::Statusbar]