----------------------------------------------------------------------- -- GtkAda - Ada95 binding for Gtk+/Gnome -- -- -- -- Copyright (C) 1998-2000 E. Briot, J. Brobecker and A. Charlet -- -- Copyright (C) 2000-2003 ACT-Europe -- -- -- -- 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. -- ----------------------------------------------------------------------- -- -- -- A Gtk_Aspect_Frame is the same type of widget as a frame, but it -- constrains its child to a specific aspect ratio between its width -- and its height. -- -- This ratio can either be given explicitly by the user, or chosen from the -- widget's initial size request (might be different from the one if was -- actually given). -- -- -- 1.3.11 with Glib.Properties; with Gtk.Frame; package Gtk.Aspect_Frame is type Gtk_Aspect_Frame_Record is new Gtk.Frame.Gtk_Frame_Record with private; type Gtk_Aspect_Frame is access all Gtk_Aspect_Frame_Record'Class; procedure Gtk_New (Aspect_Frame : out Gtk_Aspect_Frame; Label : UTF8_String; Xalign : Gfloat; Yalign : Gfloat; Ratio : Gfloat; Obey_Child : Boolean); -- Create a new Aspect_Frame. -- If Label is the empty string, then the frame won't have any title. -- Xalign and Yalign are constrained to the range 0.0 .. 1.0 and specify -- the alignment of the child inside the frame (0.0 means either left or -- top aligned, 1.0 means right or bottom aligned). -- Ratio is the ratio width/height for the child of the frame. -- If Obey_Child is True, then Ratio is ignored and the effective ratio -- is taken from the child's requisition (ie the ideal size it asked -- for at creation time). procedure Initialize (Aspect_Frame : access Gtk_Aspect_Frame_Record'Class; Label : UTF8_String; Xalign : Gfloat; Yalign : Gfloat; Ratio : Gfloat; Obey_Child : Boolean); -- Internal initialization function. -- See the section "Creating your own widgets" in the documentation. function Get_Type return Gtk.Gtk_Type; -- Return the internal value associated with a Gtk_Aspect_Frame. procedure Set (Aspect_Frame : access Gtk_Aspect_Frame_Record; Xalign : Gfloat; Yalign : Gfloat; Ratio : Gfloat; Obey_Child : Boolean); -- Modify the frame's parameters (see the description of these parameters -- for Gtk_New. function Get_Ratio (Aspect_Frame : access Gtk_Aspect_Frame_Record) return Gfloat; -- Return the current ratio for the frame (width / height) function Get_Xalign (Aspect_Frame : access Gtk_Aspect_Frame_Record) return Gfloat; -- Return the current X alignment for the frame. -- 0.0 means the child is left aligned, 1.0 that it is right aligned. function Get_Yalign (Aspect_Frame : access Gtk_Aspect_Frame_Record) return Gfloat; -- Return the current Y alignment for the frame. -- 1.0 means the child is top aligned, 1.0 that it is bottom aligned. ---------------- -- Properties -- ---------------- -- -- The following properties are defined for this widget. See -- Glib.Properties for more information on properties. -- -- - Name: Xalign_Property -- Type: Gfloat -- Flags: read-write -- Descr: X alignment of the child -- See also: Set and Get_Xalign -- -- - Name: Yalign_Property -- Type: Gfloat -- Flags: read-write -- Descr: Y alignment of the child -- See also: Set and Get_Xalign -- -- - Name: Ratio_Property -- Type: Gfloat -- Flags: read-write -- Descr: Aspect ratio if obey_child is FALSE -- See also: Set and Get_Ratio -- -- - Name: Obey_Child_Property -- Type: Boolean -- Flags: read-write -- Descr: Force aspect ratio to match that of the frame's child -- See also: Set and Get_Ratio -- -- Xalign_Property : constant Glib.Properties.Property_Float; Yalign_Property : constant Glib.Properties.Property_Float; Radio_Property : constant Glib.Properties.Property_Float; Obey_Child_Property : constant Glib.Properties.Property_Boolean; ------------- -- Signals -- ------------- -- -- The following new signals are defined for this widget: -- private type Gtk_Aspect_Frame_Record is new Gtk.Frame.Gtk_Frame_Record with null record; Xalign_Property : constant Glib.Properties.Property_Float := Glib.Properties.Build ("xalign"); Yalign_Property : constant Glib.Properties.Property_Float := Glib.Properties.Build ("xalign"); Radio_Property : constant Glib.Properties.Property_Float := Glib.Properties.Build ("ratio"); Obey_Child_Property : constant Glib.Properties.Property_Boolean := Glib.Properties.Build ("obey_child"); pragma Import (C, Get_Type, "gtk_aspect_frame_get_type"); end Gtk.Aspect_Frame;