/usr/share/ada/adainclude/gtkada/gtk-preview.ads is in libgtkada2.24.1-dev 2.24.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- GtkAda - Ada95 binding for Gtk+/Gnome --
-- --
-- Copyright (C) 1998-2000 E. Briot, J. Brobecker and A. Charlet --
-- Copyright (C) 2000-2006 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. --
-- --
-----------------------------------------------------------------------
-- <c_version>2.8.17</c_version>
-- <group>Obsolescent widgets</group>
-- <testgtk>create_preview_color.adb</testgtk>
with Glib.Properties;
with Gdk.Color;
with Gdk.GC;
with Gdk.Visual;
with Gdk.Window;
with Gtk.Enums; use Gtk.Enums;
with Gtk.Widget;
package Gtk.Preview is
pragma Obsolescent;
type Gtk_Preview_Record is new Gtk.Widget.Gtk_Widget_Record with private;
type Gtk_Preview is access all Gtk_Preview_Record'Class;
type Gtk_Preview_Info_Record is new Gtk.Widget.Gtk_Widget_Record
with private;
type Gtk_Preview_Info is access all Gtk_Preview_Info_Record'Class;
procedure Draw_Row
(Preview : access Gtk_Preview_Record;
Data : Guchar_Array;
X : Gint;
Y : Gint;
W : Gint);
-- The size required for Data depends of the color depth of the
-- preview. No verification is done by Ada, everything is left to
-- gtk. You might get some segmentation fault !
-- for a color preview, Data'Length = W * 3 (for R, G ,B)
-- for a grey preview, Data'Length = W;
function Get_Cmap return Gdk.Color.Gdk_Colormap;
function Get_Info return Gtk_Preview_Info;
function Get_Visual return Gdk.Visual.Gdk_Visual;
procedure Gtk_New
(Preview : out Gtk_Preview; The_Type : Gtk_Preview_Type);
procedure Initialize
(Preview : access Gtk_Preview_Record'Class;
The_Type : Gtk_Preview_Type);
function Get_Type return Glib.GType;
-- Return the internal value associated with a Gtk_Preview.
procedure Put
(Preview : access Gtk_Preview_Record;
Window : Gdk.Window.Gdk_Window;
Gc : Gdk.GC.Gdk_GC;
Srcx : Gint;
Srcy : Gint;
Destx : Gint;
Desty : Gint;
Width : Gint;
Height : Gint);
procedure Reset;
procedure Set_Color_Cube
(Nred_Shades : Guint;
Ngreen_Shades : Guint;
Nblue_Shades : Guint;
Ngray_Shades : Guint);
procedure Set_Expand
(Preview : access Gtk_Preview_Record;
Expand : Boolean);
procedure Set_Gamma (Gamma : Gdouble);
procedure Set_Install_Cmap (Install_Cmap : Gint);
procedure Set_Reserved (Nreserved : Gint);
procedure Size
(Preview : access Gtk_Preview_Record;
Width : Gint;
Height : Gint);
procedure Uninit;
----------------
-- Properties --
----------------
-- <properties>
-- The following properties are defined for this widget. See
-- Glib.Properties for more information on properties.
--
-- Name: Expand_Property
-- Type: Boolean
-- Descr: Whether the preview widget should take up the entire space it is
-- allocated
--
-- </properties>
Expand_Property : constant Glib.Properties.Property_Boolean;
private
type Gtk_Preview_Record is new Gtk.Widget.Gtk_Widget_Record
with null record;
type Gtk_Preview_Info_Record is new Gtk.Widget.Gtk_Widget_Record
with null record;
Expand_Property : constant Glib.Properties.Property_Boolean :=
Glib.Properties.Build ("expand");
pragma Import (C, Get_Visual, "gtk_preview_get_visual");
pragma Import (C, Get_Cmap, "gtk_preview_get_cmap");
pragma Import (C, Get_Type, "gtk_preview_get_type");
pragma Import (C, Reset, "gtk_preview_reset");
pragma Import (C, Set_Gamma, "gtk_preview_set_gamma");
pragma Import (C, Set_Install_Cmap, "gtk_preview_set_install_cmap");
pragma Import (C, Set_Reserved, "gtk_preview_set_reserved");
pragma Import (C, Uninit, "gtk_preview_uninit");
end Gtk.Preview;
-- No binding: gtk_preview_set_dither
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