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-----------------------------------------------------------------------
-- GtkAda - Ada95 binding for the Gimp Toolkit --
-- --
-- Copyright (C) 2010-2013, 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 Ada.Text_IO; use Ada.Text_IO;
with Glib; use Glib;
with Gtk; use Gtk;
with Gtk.Box; use Gtk.Box;
with Gtk.Button; use Gtk.Button;
with Gtk.Handlers; use Gtk.Handlers;
with Gtk.Link_Button; use Gtk.Link_Button;
with Gtk.Widget; use Gtk.Widget;
package body Create_Link_Buttons is
package Reset_Button_Cb is new Handlers.Callback (Gtk_Link_Button_Record);
package Uri_Hook is new Generic_Uri_Hook (Integer);
-- Integer is just a dummy type, we don't actually pass any user data.
----------------------------
-- On_Link_Button_Clicked --
----------------------------
procedure On_Link_Button_Clicked
(Button : access Gtk_Link_Button_Record'Class;
Link : UTF8_String;
Data : Integer)
is
pragma Unreferenced (Button, Data);
begin
Put_Line ("Link_Button clicked: " & Link);
end On_Link_Button_Clicked;
-----------------------------
-- On_Reset_Button_Clicked --
-----------------------------
procedure On_Reset_Button_Clicked
(Widget : access Gtk_Link_Button_Record'Class)
is
begin
Set_Visited (Widget, False);
end On_Reset_Button_Clicked;
----------
-- Help --
----------
function Help return String is
begin
return "a @bGtk_Link_Button@B is a @bGtk_Button@B with a hyperlink,"
& " similar to the kind displayed by web browsers. It is associated"
& " with a URI. The URI is passed to a callback procedure that is"
& " invoked when the user clicks the button. "
& " This widget also keeps track of whether it has been visited.";
end Help;
---------
-- Run --
---------
procedure Run (Frame : access Gtk.Frame.Gtk_Frame_Record'Class) is
Box1 : Gtk_Box;
Link_Button1 : Gtk_Link_Button;
Reset_Button : Gtk_Button;
Tmp : Uri_Func;
pragma Unreferenced (Tmp);
begin
Gtk.Frame.Set_Label (Frame, "Link_Buttons");
Gtk_New_Vbox (Box1, Homogeneous => False, Spacing => 0);
Gtk.Frame.Add (Frame, Box1);
Gtk_New_With_Label
(Widget => Link_Button1,
Uri => "http://www.example.com/",
Label => "Click me.");
Uri_Hook.Set_Uri_Hook
(Handler => On_Link_Button_Clicked'Access,
User_Data => 0,
Destroy => null);
Pack_Start
(Box1, Link_Button1, Expand => False, Fill => False, Padding => 0);
Gtk_New (Reset_Button, "Reset Link_Button's ""visited"" state");
Reset_Button_Cb.Object_Connect
(Reset_Button,
"clicked",
Reset_Button_Cb.To_Marshaller (On_Reset_Button_Clicked'Access),
Link_Button1);
Pack_Start
(Box1, Reset_Button, Expand => False, Fill => False, Padding => 0);
Show_All (Box1);
end Run;
end Create_Link_Buttons;
|
