/usr/share/ada/adainclude/gtkada/pango-attributes.adb is in libgtkada16.1.0-dev 17.0.2017-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- --
-- Copyright (C) 1998-2000 E. Briot, J. Brobecker and A. Charlet --
-- Copyright (C) 2000-2017, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, 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 MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- --
-- --
-- --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
------------------------------------------------------------------------------
pragma Style_Checks (Off);
pragma Warnings (Off, "*is already use-visible*");
with Ada.Unchecked_Conversion;
pragma Warnings(Off); -- might be unused
with Interfaces.C.Strings; use Interfaces.C.Strings;
pragma Warnings(On);
package body Pango.Attributes is
function From_Object_Free (B : access Pango_Attribute) return Pango_Attribute is
Result : constant Pango_Attribute := B.all;
begin
Glib.g_free (B.all'Address);
return Result;
end From_Object_Free;
function From_Object_Free
(B : access Pango_Attr_List'Class) return Pango_Attr_List
is
Result : constant Pango_Attr_List := Pango_Attr_List (B.all);
begin
Glib.g_free (B.all'Address);
return Result;
end From_Object_Free;
function From_Object (Object : System.Address) return Pango_Attr_List is
S : Pango_Attr_List;
begin
S.Set_Object (Object);
return S;
end From_Object;
function C_Pango_Attr_List_Filter
(Self : System.Address;
Func : System.Address;
Data : System.Address) return System.Address;
pragma Import (C, C_Pango_Attr_List_Filter, "pango_attr_list_filter");
-- Given a Pango.Attributes.Pango_Attr_List and callback function, removes
-- any elements of List for which Func returns True and inserts them into a
-- new list.
-- Since: gtk+ 1.2
-- "func": callback function; returns True if an attribute should be
-- filtered out.
-- "data": Data to be passed to Func
function To_Pango_Attr_Filter_Func is new Ada.Unchecked_Conversion
(System.Address, Pango_Attr_Filter_Func);
function To_Address is new Ada.Unchecked_Conversion
(Pango_Attr_Filter_Func, System.Address);
function Internal_Pango_Attr_Filter_Func
(Attribute : Pango.Attributes.Pango_Attribute;
User_Data : System.Address) return Glib.Gboolean;
pragma Convention (C, Internal_Pango_Attr_Filter_Func);
-- "attribute": a Pango attribute
-- "user_data": user data passed to the function
-------------------------------------
-- Internal_Pango_Attr_Filter_Func --
-------------------------------------
function Internal_Pango_Attr_Filter_Func
(Attribute : Pango.Attributes.Pango_Attribute;
User_Data : System.Address) return Glib.Gboolean
is
Func : constant Pango_Attr_Filter_Func := To_Pango_Attr_Filter_Func (User_Data);
begin
return Boolean'Pos (Func (Attribute));
end Internal_Pango_Attr_Filter_Func;
-------------
-- Gdk_New --
-------------
procedure Gdk_New (Self : out Pango_Attr_List) is
function Internal return System.Address;
pragma Import (C, Internal, "pango_attr_list_new");
begin
Self.Set_Object (Internal);
end Gdk_New;
-------------------------
-- Pango_Attr_List_New --
-------------------------
function Pango_Attr_List_New return Pango_Attr_List is
function Internal return System.Address;
pragma Import (C, Internal, "pango_attr_list_new");
Self : Pango_Attr_List;
begin
Self.Set_Object (Internal);
return Self;
end Pango_Attr_List_New;
------------
-- Change --
------------
procedure Change (Self : Pango_Attr_List; Attr : Pango_Attribute) is
procedure Internal (Self : System.Address; Attr : Pango_Attribute);
pragma Import (C, Internal, "pango_attr_list_change");
begin
Internal (Get_Object (Self), Attr);
end Change;
----------
-- Copy --
----------
function Copy (Self : Pango_Attr_List) return Pango_Attr_List is
function Internal (Self : System.Address) return System.Address;
pragma Import (C, Internal, "pango_attr_list_copy");
begin
return From_Object (Internal (Get_Object (Self)));
end Copy;
-----------
-- Equal --
-----------
function Equal
(Self : Pango_Attribute;
Attr2 : Pango_Attribute) return Boolean
is
function Internal
(Self : Pango_Attribute;
Attr2 : Pango_Attribute) return Glib.Gboolean;
pragma Import (C, Internal, "pango_attribute_equal");
begin
return Internal (Self, Attr2) /= 0;
end Equal;
------------
-- Filter --
------------
function Filter
(Self : Pango_Attr_List;
Func : Pango_Attr_Filter_Func) return Pango_Attr_List
is
begin
if Func = null then
return From_Object (C_Pango_Attr_List_Filter (Get_Object (Self), System.Null_Address, System.Null_Address));
else
return From_Object (C_Pango_Attr_List_Filter (Get_Object (Self), Internal_Pango_Attr_Filter_Func'Address, To_Address (Func)));
end if;
end Filter;
------------
-- Insert --
------------
procedure Insert (Self : Pango_Attr_List; Attr : Pango_Attribute) is
procedure Internal (Self : System.Address; Attr : Pango_Attribute);
pragma Import (C, Internal, "pango_attr_list_insert");
begin
Internal (Get_Object (Self), Attr);
end Insert;
-------------------
-- Insert_Before --
-------------------
procedure Insert_Before (Self : Pango_Attr_List; Attr : Pango_Attribute) is
procedure Internal (Self : System.Address; Attr : Pango_Attribute);
pragma Import (C, Internal, "pango_attr_list_insert_before");
begin
Internal (Get_Object (Self), Attr);
end Insert_Before;
---------
-- Ref --
---------
function Ref (Self : Pango_Attr_List) return Pango_Attr_List is
function Internal (Self : System.Address) return System.Address;
pragma Import (C, Internal, "pango_attr_list_ref");
begin
return From_Object (Internal (Get_Object (Self)));
end Ref;
------------
-- Splice --
------------
procedure Splice
(Self : Pango_Attr_List;
Other : Pango_Attr_List;
Pos : Gint;
Len : Gint)
is
procedure Internal
(Self : System.Address;
Other : System.Address;
Pos : Gint;
Len : Gint);
pragma Import (C, Internal, "pango_attr_list_splice");
begin
Internal (Get_Object (Self), Get_Object (Other), Pos, Len);
end Splice;
-----------
-- Unref --
-----------
procedure Unref (Self : Pango_Attr_List) is
procedure Internal (Self : System.Address);
pragma Import (C, Internal, "pango_attr_list_unref");
begin
Internal (Get_Object (Self));
end Unref;
---------------------
-- Attr_Family_New --
---------------------
function Attr_Family_New (Family : UTF8_String) return Pango_Attribute is
function Internal
(Family : Interfaces.C.Strings.chars_ptr) return Pango_Attribute;
pragma Import (C, Internal, "pango_attr_family_new");
Tmp_Family : Interfaces.C.Strings.chars_ptr := New_String (Family);
Tmp_Return : Pango_Attribute;
begin
Tmp_Return := Internal (Tmp_Family);
Free (Tmp_Family);
return Tmp_Return;
end Attr_Family_New;
----------------------------
-- Attr_Strikethrough_New --
----------------------------
function Attr_Strikethrough_New
(Strikethrough : Boolean) return Pango_Attribute
is
function Internal
(Strikethrough : Glib.Gboolean) return Pango_Attribute;
pragma Import (C, Internal, "pango_attr_strikethrough_new");
begin
return Internal (Boolean'Pos (Strikethrough));
end Attr_Strikethrough_New;
end Pango.Attributes;
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