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244 | ------------------------------------------------------------------------------
-- --
-- Copyright (C) 1998-2000 E. Briot, J. Brobecker and A. Charlet --
-- Copyright (C) 2000-2022, 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. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- 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;
with Glib.Type_Conversion_Hooks; use Glib.Type_Conversion_Hooks;
with Glib.Values; use Glib.Values;
with Gtk.Arguments; use Gtk.Arguments;
with Gtkada.Bindings; use Gtkada.Bindings;
package body Gtk.Gesture_Zoom is
package Type_Conversion_Gtk_Gesture_Zoom is new Glib.Type_Conversion_Hooks.Hook_Registrator
(Get_Type'Access, Gtk_Gesture_Zoom_Record);
pragma Unreferenced (Type_Conversion_Gtk_Gesture_Zoom);
--------------------------
-- Gtk_Gesture_Zoom_New --
--------------------------
function Gtk_Gesture_Zoom_New
(Widget : not null access Gtk.Widget.Gtk_Widget_Record'Class)
return Gtk_Gesture_Zoom
is
Self : constant Gtk_Gesture_Zoom := new Gtk_Gesture_Zoom_Record;
begin
Gtk.Gesture_Zoom.Initialize (Self, Widget);
return Self;
end Gtk_Gesture_Zoom_New;
-------------
-- Gtk_New --
-------------
procedure Gtk_New
(Self : out Gtk_Gesture_Zoom;
Widget : not null access Gtk.Widget.Gtk_Widget_Record'Class)
is
begin
Self := new Gtk_Gesture_Zoom_Record;
Gtk.Gesture_Zoom.Initialize (Self, Widget);
end Gtk_New;
----------------
-- Initialize --
----------------
procedure Initialize
(Self : not null access Gtk_Gesture_Zoom_Record'Class;
Widget : not null access Gtk.Widget.Gtk_Widget_Record'Class)
is
function Internal (Widget : System.Address) return System.Address;
pragma Import (C, Internal, "gtk_gesture_zoom_new");
begin
if not Self.Is_Created then
Set_Object (Self, Internal (Get_Object (Widget)));
end if;
end Initialize;
---------------------
-- Get_Scale_Delta --
---------------------
function Get_Scale_Delta
(Self : not null access Gtk_Gesture_Zoom_Record) return Gdouble
is
function Internal (Self : System.Address) return Gdouble;
pragma Import (C, Internal, "gtk_gesture_zoom_get_scale_delta");
begin
return Internal (Get_Object (Self));
end Get_Scale_Delta;
use type System.Address;
function Cb_To_Address is new Ada.Unchecked_Conversion
(Cb_Gtk_Gesture_Zoom_Gdouble_Void, System.Address);
function Address_To_Cb is new Ada.Unchecked_Conversion
(System.Address, Cb_Gtk_Gesture_Zoom_Gdouble_Void);
function Cb_To_Address is new Ada.Unchecked_Conversion
(Cb_GObject_Gdouble_Void, System.Address);
function Address_To_Cb is new Ada.Unchecked_Conversion
(System.Address, Cb_GObject_Gdouble_Void);
procedure Connect
(Object : access Gtk_Gesture_Zoom_Record'Class;
C_Name : Glib.Signal_Name;
Handler : Cb_Gtk_Gesture_Zoom_Gdouble_Void;
After : Boolean);
procedure Connect_Slot
(Object : access Gtk_Gesture_Zoom_Record'Class;
C_Name : Glib.Signal_Name;
Handler : Cb_GObject_Gdouble_Void;
After : Boolean;
Slot : access Glib.Object.GObject_Record'Class := null);
procedure Marsh_GObject_Gdouble_Void
(Closure : GClosure;
Return_Value : Glib.Values.GValue;
N_Params : Glib.Guint;
Params : Glib.Values.C_GValues;
Invocation_Hint : System.Address;
User_Data : System.Address);
pragma Convention (C, Marsh_GObject_Gdouble_Void);
procedure Marsh_Gtk_Gesture_Zoom_Gdouble_Void
(Closure : GClosure;
Return_Value : Glib.Values.GValue;
N_Params : Glib.Guint;
Params : Glib.Values.C_GValues;
Invocation_Hint : System.Address;
User_Data : System.Address);
pragma Convention (C, Marsh_Gtk_Gesture_Zoom_Gdouble_Void);
-------------
-- Connect --
-------------
procedure Connect
(Object : access Gtk_Gesture_Zoom_Record'Class;
C_Name : Glib.Signal_Name;
Handler : Cb_Gtk_Gesture_Zoom_Gdouble_Void;
After : Boolean)
is
begin
Unchecked_Do_Signal_Connect
(Object => Object,
C_Name => C_Name,
Marshaller => Marsh_Gtk_Gesture_Zoom_Gdouble_Void'Access,
Handler => Cb_To_Address (Handler),-- Set in the closure
After => After);
end Connect;
------------------
-- Connect_Slot --
------------------
procedure Connect_Slot
(Object : access Gtk_Gesture_Zoom_Record'Class;
C_Name : Glib.Signal_Name;
Handler : Cb_GObject_Gdouble_Void;
After : Boolean;
Slot : access Glib.Object.GObject_Record'Class := null)
is
begin
Unchecked_Do_Signal_Connect
(Object => Object,
C_Name => C_Name,
Marshaller => Marsh_GObject_Gdouble_Void'Access,
Handler => Cb_To_Address (Handler),-- Set in the closure
Slot_Object => Slot,
After => After);
end Connect_Slot;
--------------------------------
-- Marsh_GObject_Gdouble_Void --
--------------------------------
procedure Marsh_GObject_Gdouble_Void
(Closure : GClosure;
Return_Value : Glib.Values.GValue;
N_Params : Glib.Guint;
Params : Glib.Values.C_GValues;
Invocation_Hint : System.Address;
User_Data : System.Address)
is
pragma Unreferenced (Return_Value, N_Params, Invocation_Hint, User_Data);
H : constant Cb_GObject_Gdouble_Void := Address_To_Cb (Get_Callback (Closure));
Obj : constant Glib.Object.GObject := Glib.Object.Convert (Get_Data (Closure));
begin
H (Obj, Unchecked_To_Gdouble (Params, 1));
exception when E : others => Process_Exception (E);
end Marsh_GObject_Gdouble_Void;
-----------------------------------------
-- Marsh_Gtk_Gesture_Zoom_Gdouble_Void --
-----------------------------------------
procedure Marsh_Gtk_Gesture_Zoom_Gdouble_Void
(Closure : GClosure;
Return_Value : Glib.Values.GValue;
N_Params : Glib.Guint;
Params : Glib.Values.C_GValues;
Invocation_Hint : System.Address;
User_Data : System.Address)
is
pragma Unreferenced (Return_Value, N_Params, Invocation_Hint, User_Data);
H : constant Cb_Gtk_Gesture_Zoom_Gdouble_Void := Address_To_Cb (Get_Callback (Closure));
Obj : constant Gtk_Gesture_Zoom := Gtk_Gesture_Zoom (Unchecked_To_Object (Params, 0));
begin
H (Obj, Unchecked_To_Gdouble (Params, 1));
exception when E : others => Process_Exception (E);
end Marsh_Gtk_Gesture_Zoom_Gdouble_Void;
----------------------
-- On_Scale_Changed --
----------------------
procedure On_Scale_Changed
(Self : not null access Gtk_Gesture_Zoom_Record;
Call : Cb_Gtk_Gesture_Zoom_Gdouble_Void;
After : Boolean := False)
is
begin
Connect (Self, "scale-changed" & ASCII.NUL, Call, After);
end On_Scale_Changed;
----------------------
-- On_Scale_Changed --
----------------------
procedure On_Scale_Changed
(Self : not null access Gtk_Gesture_Zoom_Record;
Call : Cb_GObject_Gdouble_Void;
Slot : not null access Glib.Object.GObject_Record'Class;
After : Boolean := False)
is
begin
Connect_Slot (Self, "scale-changed" & ASCII.NUL, Call, After, Slot);
end On_Scale_Changed;
end Gtk.Gesture_Zoom;
|