/usr/share/ada/adainclude/gtkada/glib-values.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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 | ------------------------------------------------------------------------------
-- GtkAda - Ada95 binding for Gtk+/Gnome --
-- --
-- Copyright (C) 2001-2017, 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/>. --
-- --
------------------------------------------------------------------------------
with Ada.Unchecked_Conversion;
with Interfaces.C.Strings; use Interfaces.C.Strings;
package body Glib.Values is
----------
-- Free --
----------
procedure Free (Val : in out GValues) is
procedure Internal (Value_Array : C_GValues);
pragma Import (C, Internal, "g_value_array_free");
begin
Internal (Val.Arr);
Val := (Nb => 0, Arr => C_GValues (System.Null_Address));
end Free;
-----------------
-- Get_Boolean --
-----------------
function Get_Boolean (Value : GValue) return Boolean is
function Internal (Value : GValue) return Gboolean;
pragma Import (C, Internal, "g_value_get_boolean");
begin
return Boolean'Val (Internal (Value));
end Get_Boolean;
----------------
-- Get_Object --
----------------
function Get_Object (Value : GValue) return Glib.Object.GObject is
function Internal (Value : GValue) return System.Address;
pragma Import (C, Internal, "g_value_get_object");
begin
return Glib.Object.Convert (Internal (Value));
end Get_Object;
----------------
-- Get_String --
----------------
function Get_String (Value : GValue) return String is
function Internal (Value : GValue) return chars_ptr;
pragma Import (C, Internal, "g_value_get_string");
C : constant chars_ptr := Internal (Value);
begin
if C = Null_Ptr then
return "";
else
return Interfaces.C.Strings.Value (C);
end if;
end Get_String;
----------------
-- Get_String --
----------------
function Get_String (Value : GValue; Length : Gint) return String is
function Internal (Value : GValue) return chars_ptr;
pragma Import (C, Internal, "g_value_get_string");
C : constant chars_ptr := Internal (Value);
begin
if C = Null_Ptr then
return "";
else
return Interfaces.C.Strings.Value
(C, Interfaces.C.size_t (Length));
end if;
end Get_String;
-----------------
-- Make_Values --
-----------------
function Make_Values (Nb : Guint) return GValues is
function Internal (N_Prealloced : Guint) return C_GValues;
pragma Import (C, Internal, "g_value_array_new");
begin
return (Nb => Nb, Arr => Internal (Nb));
end Make_Values;
function Make_Values (Nb : Guint; Val : C_GValues) return GValues is
begin
return (Nb => Nb, Arr => Val);
end Make_Values;
---------
-- Nth --
---------
function Nth (Val : GValues; Num : Guint) return GValue is
procedure Internal (Val : C_GValues; Num : Guint; V : in out GValue);
pragma Import (C, Internal, "ada_gvalue_nth");
V : GValue;
begin
-- Should this be greater or greater or equal ???
if Num > Val.Nb then
raise Constraint_Error;
end if;
Internal (Val.Arr, Num, V);
return V;
end Nth;
-----------------
-- Set_Boolean --
-----------------
procedure Set_Boolean (Value : in out GValue; V_Boolean : Boolean) is
procedure Internal (Value : GValue; V_Boolean : Gboolean);
pragma Import (C, Internal, "g_value_set_boolean");
begin
Internal (Value, Boolean'Pos (V_Boolean));
end Set_Boolean;
----------------------
-- Init_Set_Boolean --
----------------------
procedure Init_Set_Boolean (Value : in out GValue; V : Boolean) is
begin
Init (Value, GType_Boolean);
Set_Boolean (Value, V);
end Init_Set_Boolean;
----------------
-- Set_Object --
----------------
procedure Set_Object
(Value : in out GValue; To : access Glib.Object.GObject_Record'Class)
is
procedure Internal
(Value : in out Glib.Values.GValue;
To : System.Address);
pragma Import (C, Internal, "g_value_set_object");
begin
Internal (Value, Glib.Object.Convert (Glib.Object.GObject (To)));
end Set_Object;
---------------------
-- Init_Set_String --
---------------------
procedure Init_Set_String (Value : in out GValue; V : String) is
begin
Init (Value, GType_String);
Set_String (Value, V);
end Init_Set_String;
------------------
-- Init_Set_Int --
------------------
procedure Init_Set_Int (Value : in out GValue; V : Gint) is
begin
Init (Value, GType_Int);
Set_Int (Value, V);
end Init_Set_Int;
-------------------
-- Init_Set_Uint --
-------------------
procedure Init_Set_Uint (Value : in out GValue; V : Guint) is
begin
Init (Value, GType_Uint);
Set_Uint (Value, V);
end Init_Set_Uint;
----------------
-- Set_String --
----------------
procedure Set_String (Value : in out GValue; V_String : String) is
procedure Internal (Value : in out GValue; V_String : String);
pragma Import (C, Internal, "g_value_set_string");
begin
Internal (Value, V_String & ASCII.NUL);
end Set_String;
----------
-- Init --
----------
procedure Init (Value : in out GValue; G_Type : Glib.GType) is
procedure Internal (Value : in out GValue; G_Type : Glib.GType);
pragma Import (C, Internal, "g_value_init");
begin
Value := (g_type => 0, data => (others => 0));
Internal (Value, G_Type);
end Init;
----------------------
-- Unsafe_Proxy_Nth --
----------------------
function Unsafe_Proxy_Nth (Values : C_GValues; Num : Guint) return T is
type T_Access is access T;
function Convert is new Ada.Unchecked_Conversion (C_Proxy, T_Access);
Val : GValue;
begin
Unsafe_Nth (Values, Num, Val);
return Convert (Get_Proxy (Val)).all;
end Unsafe_Proxy_Nth;
---------------------
-- Unsafe_Enum_Nth --
---------------------
function Unsafe_Enum_Nth
(Values : C_GValues; Num : Guint) return T
is
Val : GValue;
begin
Unsafe_Nth (Values, Num, Val);
return T'Val (Get_Int (Val));
end Unsafe_Enum_Nth;
-------------
-- Type_Of --
-------------
function Type_Of (Value : GValue) return Glib.GType is
begin
return Value.g_type;
end Type_Of;
----------
-- Free --
----------
procedure Free (Params : in out GParameter_Array) is
begin
for P in Params'Range loop
Free (Params (P).Name);
Unset (Params (P).Value);
end loop;
end Free;
-----------
-- G_New --
-----------
procedure G_New
(Object : not null access Glib.Object.GObject_Record'Class;
Typ : GType;
Params : GParameter_Array)
is
function Internal
(Typ : GType;
N_Params : Guint;
Params : System.Address) return System.Address;
pragma Import (C, Internal, "g_object_newv");
begin
if not Object.Is_Created then
Glib.Object.Set_Object
(Object,
Internal (Typ, Params'Length, Params (Params'First)'Address));
end if;
end G_New;
-------------------
-- C_Gvalue_Size --
-------------------
function C_Gvalue_Size return Natural;
pragma Import (C, C_Gvalue_Size, "ada_c_gvalue_size");
begin
if GValue'Size /= C_Gvalue_Size * 8 then
raise Program_Error;
end if;
end Glib.Values;
|