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-----------------------------------------------------------------------
-- GtkAda - Ada95 binding for the Gimp Toolkit --
-- --
-- Copyright (C) 1998-1999 --
-- Emmanuel Briot, Joel Brobecker and Arnaud Charlet --
-- Copyright 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. --
-- --
-----------------------------------------------------------------------
with Glib; use Glib;
with Gtk.Box; use Gtk.Box;
with Gtk.Button; use Gtk.Button;
with Gtk.Label; use Gtk.Label;
with Glib.Main; use Glib.Main;
with Gtk.Widget; use Gtk.Widget;
with Gtk; use Gtk;
with Common; use Common;
package body Create_Test_Timeout is
package Label_Timeout is new Glib.Main.Generic_Sources (Gtk_Label);
Timeout : G_Source_Id;
Count : Integer := 0;
----------
-- Help --
----------
function Help return String is
begin
return "A @btimeout@B function is a function that is run at specific"
& " time intervals. This is different from a @bidle@B function, since"
& " you know exactly when the next occurence will be.";
end Help;
------------------
-- Timeout_Test --
------------------
function Timeout_Test (Label : in Gtk_Label) return Boolean is
begin
Count := Count + 1;
Set_Text (Label, "count:" & Integer'Image (Count));
return True;
end Timeout_Test;
------------------
-- Stop_Timeout --
------------------
procedure Stop_Timeout (Object : access Gtk_Widget_Record'Class) is
pragma Warnings (Off, Object);
begin
if Timeout /= 0 then
Remove (Timeout);
Timeout := 0;
Count := 0;
end if;
end Stop_Timeout;
-------------------
-- Start_Timeout --
-------------------
procedure Start_Timeout (Label : access Gtk_Label_Record'Class) is
begin
if Timeout = 0 then
Timeout := Label_Timeout.Timeout_Add
(100, Timeout_Test'Access, Gtk_Label (Label));
end if;
end Start_Timeout;
---------
-- Run --
---------
procedure Run (Frame : access Gtk.Frame.Gtk_Frame_Record'Class) is
Button : Gtk_Button;
Label : Gtk_Label;
Box : Gtk_Box;
begin
Set_Label (Frame, "Timeout Test");
Gtk_New_Vbox (Box, Homogeneous => False, Spacing => 0);
Add (Frame, Box);
Gtk_New (Label, "count : 0");
Set_Padding (Label, 10, 10);
Pack_Start (Box, Label, False, False, 0);
Gtk_New (Button, "start");
Label_Handler.Object_Connect
(Button, "clicked",
Label_Handler.To_Marshaller (Start_Timeout'Access),
Slot_Object => Label);
Set_Flags (Button, Can_Default);
Pack_Start (Box, Button, False, False, 0);
Gtk_New (Button, "stop");
Widget_Handler.Object_Connect
(Button, "clicked",
Widget_Handler.To_Marshaller (Stop_Timeout'Access),
Slot_Object => Frame);
Set_Flags (Button, Can_Default);
Pack_Start (Box, Button, False, False, 0);
Widget_Handler.Connect
(Box, "destroy",
Widget_Handler.To_Marshaller (Stop_Timeout'Access));
Show_All (Frame);
end Run;
end Create_Test_Timeout;
|
