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------------------------------------------------------------------------------
-- GtkAda - Ada95 binding for the Gimp Toolkit --
-- --
-- Copyright (C) 2010-2018, 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.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 Link_Button_Cb is new Handlers.Callback (Gtk_Link_Button_Record);
package Link_Button_Return_Cb is new Handlers.Return_Callback
(Gtk_Link_Button_Record, Boolean);
----------------------------
-- On_Link_Button_Clicked --
----------------------------
function On_Link_Button_Clicked
(Button : access Gtk_Link_Button_Record'Class) return Boolean
is
begin
Put_Line ("Link_Button clicked: " & Button.Get_Uri);
Set_Visited (Button, True);
return True;
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;
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.");
Link_Button_Return_Cb.Connect
(Link_Button1, Signal_Activate_Link, On_Link_Button_Clicked'Access);
Pack_Start
(Box1, Link_Button1, Expand => False, Fill => False, Padding => 0);
Gtk_New (Reset_Button, "Reset Link_Button's ""visited"" state");
Link_Button_Cb.Object_Connect
(Reset_Button,
"clicked",
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;
|
