----------------------------------------------------------------------- -- GtkAda - Ada95 binding for Gtk+/Gnome -- -- -- -- Copyright (C) 1998-2000 E. Briot, J. Brobecker and A. Charlet -- -- Copyright (C) 2000-2011, AdaCore -- -- -- -- This library is free software; you can redistribute it and/or -- -- modify it under the terms of the GNU General Public -- -- License as published by the Free Software Foundation; either -- -- version 2 of the License, or (at your option) any later version. -- -- -- -- This library is distributed in the hope that it will be useful, -- -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -- -- General Public License for more details. -- -- -- -- You should have received a copy of the GNU General Public -- -- License along with this library; if not, write to the -- -- Free Software Foundation, Inc., 59 Temple Place - Suite 330, -- -- Boston, MA 02111-1307, USA. -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ----------------------------------------------------------------------- -- -- A Gtk_Radio_Action is similar to Gtk_Radio_Menu_Item. A number of radio -- actions can be linked together so that only one may be active at any one -- time. -- -- -- Action-based menus -- Gtk_Action pragma Warnings (Off, "*is already use-visible*"); with Glib; use Glib; with Glib.Properties; use Glib.Properties; with Glib.Types; use Glib.Types; with Gtk.Buildable; use Gtk.Buildable; with Gtk.Toggle_Action; use Gtk.Toggle_Action; with Gtk.Widget; use Gtk.Widget; package Gtk.Radio_Action is type Gtk_Radio_Action_Record is new Gtk_Toggle_Action_Record with null record; type Gtk_Radio_Action is access all Gtk_Radio_Action_Record'Class; ------------------ -- Constructors -- ------------------ procedure Gtk_New (Action : out Gtk_Radio_Action; Name : UTF8_String; Label : UTF8_String := ""; Tooltip : UTF8_String := ""; Stock_Id : UTF8_String := ""; Value : Gint); procedure Initialize (Action : access Gtk_Radio_Action_Record'Class; Name : UTF8_String; Label : UTF8_String := ""; Tooltip : UTF8_String := ""; Stock_Id : UTF8_String := ""; Value : Gint); -- Creates a new Gtk.Radio_Action.Gtk_Radio_Action object. To add the -- action to a Gtk.Actiongroup.Gtk_Actiongroup and set the accelerator for -- the action, call Gtk.Action_Group.Add_Action_With_Accel. -- Since: gtk+ 2.4 -- "name": A unique name for the action -- "label": The label displayed in menu items and on buttons, or null -- "tooltip": A tooltip for this action, or null -- "stock_id": The stock icon to display in widgets representing this -- action, or null -- "value": The value which Gtk.Radio_Action.Get_Current_Value should -- return if this action is selected. function Get_Type return Glib.GType; pragma Import (C, Get_Type, "gtk_radio_action_get_type"); ------------- -- Methods -- ------------- function Get_Current_Value (Action : access Gtk_Radio_Action_Record) return Gint; procedure Set_Current_Value (Action : access Gtk_Radio_Action_Record; Current_Value : Gint); -- Sets the currently active group member to the member with value -- property Current_Value. -- Since: gtk+ 2.10 -- "current_value": the new value function Get_Group (Action : access Gtk_Radio_Action_Record) return Gtk.Widget.Widget_SList.GSList; procedure Set_Group (Action : access Gtk_Radio_Action_Record; Group : Gtk.Widget.Widget_SList.GSList); -- Sets the radio group for the radio action object. -- A common way to set up a group of radio group is the following: -- Group : GSlist := null; -- Action : Gtk_Radio_Action; -- while ... loop -- Gtk_New (Action, ...); -- Set_Group (Action, Group); -- Group := Get_Group (Action); -- end loop; -- Since: gtk+ 2.4 -- "group": a list representing a radio group ---------------- -- Interfaces -- ---------------- -- This class implements several interfaces. See Glib.Types -- -- - "Buildable" package Implements_Buildable is new Glib.Types.Implements (Gtk.Buildable.Gtk_Buildable, Gtk_Radio_Action_Record, Gtk_Radio_Action); function "+" (Widget : access Gtk_Radio_Action_Record'Class) return Gtk.Buildable.Gtk_Buildable renames Implements_Buildable.To_Interface; function "-" (Interf : Gtk.Buildable.Gtk_Buildable) return Gtk_Radio_Action renames Implements_Buildable.To_Object; ---------------- -- Properties -- ---------------- -- The following properties are defined for this widget. See -- Glib.Properties for more information on properties) -- -- Name: Current_Value_Property -- Type: Gint -- Flags: read-write -- The value property of the currently active member of the group to which -- this action belongs. -- -- Name: Group_Property -- Type: Gtk.Radio_Action.Gtk_Radio_Action -- Flags: write -- Sets a new group for a radio action. -- -- Name: Value_Property -- Type: Gint -- Flags: read-write -- The value is an arbitrary integer which can be used as a convenient way -- to determine which action in the group is currently active in an -- ::activate or ::changed signal handler. See -- Gtk.Radio_Action.Get_Current_Value and GtkRadioActionEntry for -- convenient ways to get and set this property. Current_Value_Property : constant Glib.Properties.Property_Int; Group_Property : constant Glib.Properties.Property_Object; Value_Property : constant Glib.Properties.Property_Int; ------------- -- Signals -- ------------- -- The following new signals are defined for this widget: -- -- "changed" -- procedure Handler -- (Self : access Gtk_Radio_Action_Record'Class; -- Current : Gtk.Radio_Action.Gtk_Radio_Action); -- -- "current": the member of Actions group which has just been -- -- activated -- The ::changed signal is emitted on every member of a radio group when -- the active member is changed. The signal gets emitted after the -- ::activate signals for the previous and current active members. Signal_Changed : constant Glib.Signal_Name := "changed"; private Current_Value_Property : constant Glib.Properties.Property_Int := Glib.Properties.Build ("current-value"); Group_Property : constant Glib.Properties.Property_Object := Glib.Properties.Build ("group"); Value_Property : constant Glib.Properties.Property_Int := Glib.Properties.Build ("value"); end Gtk.Radio_Action;