----------------------------------------------------------------------- -- GtkAda - Ada95 binding for Gtk+/Gnome -- -- -- -- Copyright (C) 1998-2000 E. Briot, J. Brobecker and A. Charlet -- -- Copyright (C) 2000-2013, 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. -- -- -- -- As a special exception, if other files instantiate generics from -- -- this unit, or you link this unit with other files to produce an -- -- executable, this unit does not by itself cause the resulting -- -- executable to be covered by the GNU General Public License. This -- -- exception does not however invalidate any other reasons why the -- -- executable file might be covered by the GNU Public License. -- ----------------------------------------------------------------------- -- <description> -- A Gtk_Radio_Button is a simple button that has two states, like a -- Gtk_Toggle_Button. However, Gtk_Radio_Buttons can be grouped together to -- get a special behavior: only one button in the group can be active at any -- given time. Thus, when the user selects one of the buttons from the group, -- the button that was previously selected is disabled. -- -- The radio buttons always belongs to a group, even if there is only one in -- this group. -- -- </description> -- <screenshot>gtk-radio_button</screenshot> -- <group>Buttons and Toggles</group> -- <testgtk>create_radio_button.adb</testgtk> 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.Action; use Gtk.Action;
with Gtk.Activatable; use Gtk.Activatable;
with Gtk.Buildable; use Gtk.Buildable;
with Gtk.Check_Button; use Gtk.Check_Button;
with Gtk.Widget; use Gtk.Widget;
package Gtk.Radio_Button is
type Gtk_Radio_Button_Record is new Gtk_Check_Button_Record with null record;
type Gtk_Radio_Button is access all Gtk_Radio_Button_Record'Class;
------------------ -- Constructors -- ------------------ procedure Gtk_New
(Radio_Button : out Gtk_Radio_Button;
Group : Gtk.Widget.Widget_SList.GSlist := Widget_SList.Null_List;
Label : UTF8_String := "");
procedure Initialize
(Radio_Button : access Gtk_Radio_Button_Record'Class;
Group : Gtk.Widget.Widget_SList.GSlist := Widget_SList.Null_List;
Label : UTF8_String := "");
-- Creates or initializes a new radio button, belonging to Group. If Label -- is left as the empty string, then the button will not have any child and -- you are free to put any thing you want in it, including a pixmap. To -- initialize the group (when creating the first button), leave Group to -- the Null_List. You can later get the new group that is created with a -- call to the Get_Group subprogram below. -- "group": an existing radio button group, or null if you are creating a -- new group. -- "label": the text label to display next to the radio button. procedure Gtk_New
(Radio_Button : out Gtk_Radio_Button;
Group : Gtk_Radio_Button;
Label : UTF8_String := "");
procedure Initialize
(Radio_Button : access Gtk_Radio_Button_Record'Class;
Group : Gtk_Radio_Button;
Label : UTF8_String := "");
-- Creates a new Gtk.Radio_Button.Gtk_Radio_Button with a text label, -- adding it to the same group as Radio_Group_Member. -- "Group": widget to get radio group from or null -- "label": a text string to display next to the radio button. procedure Gtk_New_With_Mnemonic
(Radio_Button : out Gtk_Radio_Button;
Group : Gtk.Widget.Widget_SList.GSlist := Widget_SList.Null_List;
Label : UTF8_String);
procedure Initialize_With_Mnemonic
(Radio_Button : access Gtk_Radio_Button_Record'Class;
Group : Gtk.Widget.Widget_SList.GSlist := Widget_SList.Null_List;
Label : UTF8_String);
procedure Gtk_New_With_Mnemonic
(Radio_Button : out Gtk_Radio_Button;
Group : Gtk_Radio_Button;
Label : UTF8_String);
procedure Initialize_With_Mnemonic
(Radio_Button : access Gtk_Radio_Button_Record'Class;
Group : Gtk_Radio_Button;
Label : UTF8_String);
-- Creates a new Gtk.Radio_Button.Gtk_Radio_Button containing a label. The -- label will be created using Gtk.Label.Gtk_New_With_Mnemonic, so -- underscores in Label indicate the mnemonic for the button. -- To initialize a new group (when creating the first button), you should -- pass it null or a button that has not been created with Gtk_New, as in -- the example below. -- "Group": widget to get radio group from or null -- "label": the text of the button, with an underscore in front of the -- mnemonic character function Get_Type return Glib.GType;
pragma Import (C, Get_Type, "gtk_radio_button_get_type");
------------- -- Methods -- ------------- function Get_Group
(Radio_Button : access Gtk_Radio_Button_Record)
return Gtk.Widget.Widget_SList.GSlist;
procedure Set_Group
(Radio_Button : access Gtk_Radio_Button_Record;
Group : Gtk.Widget.Widget_SList.GSlist);
-- Sets a Gtk.Radio_Button.Gtk_Radio_Button's group. It should be noted -- that this does not change the layout of your interface in any way, so if -- you are changing the group, it is likely you will need to re-arrange the -- user interface to reflect these changes. -- "group": an existing radio button group, such as one returned from -- Gtk.Radio_Button.Get_Group. --------------------- -- Interfaces_Impl -- --------------------- procedure Do_Set_Related_Action
(Self : access Gtk_Radio_Button_Record;
Action : access Gtk.Action.Gtk_Action_Record'Class);
function Get_Related_Action
(Self : access Gtk_Radio_Button_Record) return Gtk.Action.Gtk_Action;
procedure Set_Related_Action
(Self : access Gtk_Radio_Button_Record;
Action : access Gtk.Action.Gtk_Action_Record'Class);
function Get_Use_Action_Appearance
(Self : access Gtk_Radio_Button_Record) return Boolean;
procedure Set_Use_Action_Appearance
(Self : access Gtk_Radio_Button_Record;
Use_Appearance : Boolean);
procedure Sync_Action_Properties
(Self : access Gtk_Radio_Button_Record;
Action : access Gtk.Action.Gtk_Action_Record'Class);
---------------- -- Interfaces -- ---------------- -- This class implements several interfaces. See Glib.Types -- -- - "Activatable" -- -- - "Buildable" package Implements_Activatable is new Glib.Types.Implements
(Gtk.Activatable.Gtk_Activatable, Gtk_Radio_Button_Record, Gtk_Radio_Button);
function "+"
(Widget : access Gtk_Radio_Button_Record'Class)
return Gtk.Activatable.Gtk_Activatable
renames Implements_Activatable.To_Interface;
function "-"
(Interf : Gtk.Activatable.Gtk_Activatable)
return Gtk_Radio_Button
renames Implements_Activatable.To_Object;
package Implements_Buildable is new Glib.Types.Implements
(Gtk.Buildable.Gtk_Buildable, Gtk_Radio_Button_Record, Gtk_Radio_Button);
function "+"
(Widget : access Gtk_Radio_Button_Record'Class)
return Gtk.Buildable.Gtk_Buildable
renames Implements_Buildable.To_Interface;
function "-"
(Interf : Gtk.Buildable.Gtk_Buildable)
return Gtk_Radio_Button
renames Implements_Buildable.To_Object;
---------------- -- Properties -- ---------------- -- The following properties are defined for this widget. See -- Glib.Properties for more information on properties) -- -- Name: Group_Property -- Type: Gtk_Radio_Button -- Flags: write Group_Property : constant Glib.Properties.Property_Object;
------------- -- Signals -- ------------- -- The following new signals are defined for this widget: -- -- "group-changed" -- procedure Handler (Self : access Gtk_Radio_Button_Record'Class); -- Emitted when the group of radio buttons that a radio button belongs to -- changes. This is emitted when a radio button switches from being alone -- to being part of a group of 2 or more buttons, or vice-versa, and when a -- button is moved from one group of 2 or more buttons to a different one, -- but not when the composition of the group that a button belongs to -- changes. Signal_Group_Changed : constant Glib.Signal_Name := "group-changed";
private Group_Property : constant Glib.Properties.Property_Object :=
Glib.Properties.Build ("group");
end Gtk.Radio_Button;