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|
-----------------------------------------------------------------------
-- GtkAda - Ada95 binding for the Gimp Toolkit --
-- --
-- Copyright (C) 1998-1999 --
-- Emmanuel Briot, Joel Brobecker and Arnaud Charlet --
-- --
-- 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.Handlers; use Gtk.Handlers;
with Gtk.Status_Bar; use Gtk.Status_Bar;
with Gtk; use Gtk;
with Ada.Text_IO;
with Interfaces.C.Strings;
package body Create_Status is
package Status_Cb is new Handlers.Callback (Gtk_Status_Bar_Record);
Counter : Gint := 1;
----------
-- Help --
----------
function Help return String is
begin
return "A @bGtk_Status_Bar@B is generally found at the bottom of"
& " application windows. It displays some help text, generally"
& " depending on the current context in the application."
& ASCII.LF
& "In GtkAda, @bGtk_Status_Bar@B are organized as stacks: you push"
& " some text onto the stack, and the top of the stack is always"
& " displayed. You can then pop part of the stak to display the older"
& " content of the @bGtk_Status_Bar@B. This behavior is especially"
& " for temporarily displaying help in the status bar, but still being"
& " able to show some other informations.";
end Help;
----------
-- Push --
----------
procedure Push (Status : access Gtk_Status_Bar_Record'Class) is
Id : Message_Id;
pragma Unreferenced (Id);
begin
Id := Push (Status, 1, "Something" & Gint'Image (Counter));
Counter := Counter + 1;
end Push;
---------
-- Pop --
---------
procedure Pop (Status : access Gtk_Status_Bar_Record'Class) is
begin
Pop (Status, 1);
end Pop;
------------
-- Popped --
------------
procedure Popped (Status : access Gtk_Status_Bar_Record'Class) is
use type Messages_List.GSlist;
begin
if Get_Messages (Status) = Messages_List.Null_List then
Counter := 1;
end if;
end Popped;
-----------
-- Steal --
-----------
procedure Steal (Status : access Gtk_Status_Bar_Record'Class) is
begin
Remove (Status, 1, 4);
end Steal;
--------------
-- Contexts --
--------------
procedure Contexts (Status : access Gtk_Status_Bar_Record'Class) is
begin
Ada.Text_IO.Put_Line ("Status_Bar : Context : "
& "any context"
& " Id="
& Context_Id'Image (Get_Context_Id
(Status, "any context")));
Ada.Text_IO.Put_Line ("Status_Bar : Context : "
& "idle messages"
& " Id="
& Context_Id'Image (Get_Context_Id
(Status, "idle message")));
Ada.Text_IO.Put_Line ("Status_Bar : Context : "
& "some text"
& " Id="
& Context_Id'Image (Get_Context_Id
(Status, "some text")));
Ada.Text_IO.Put_Line ("Status_Bar : Context : "
& "hit the mouse"
& " Id="
& Context_Id'Image (Get_Context_Id
(Status, "hit the mouse")));
Ada.Text_IO.Put_Line ("Status_Bar : Context : "
& "hit the mouse2"
& " Id="
& Context_Id'Image (Get_Context_Id
(Status, "hit the mouse2")));
end Contexts;
----------
-- Dump --
----------
procedure Dump (Status : access Gtk_Status_Bar_Record'Class) is
List : Messages_List.GSlist := Get_Messages (Status);
use type Messages_List.GSlist;
begin
while List /= Messages_List.Null_List loop
declare
Msg : constant Status_Bar_Msg := Messages_List.Get_Data (List);
begin
Ada.Text_IO.Put_Line ("Context Id = "
& Context_Id'Image (Msg.Context)
& " Message_Id = "
& Message_Id'Image (Msg.Message)
& " Text = "
& Interfaces.C.Strings.Value (Msg.Text));
end;
List := Messages_List.Next (List);
end loop;
end Dump;
---------
-- Run --
---------
procedure Run (Frame : access Gtk.Frame.Gtk_Frame_Record'Class) is
Box1,
Box2 : Gtk_Box;
Status : Gtk_Status_Bar;
Button : Gtk_Button;
begin
Set_Label (Frame, "Status Bar");
Gtk_New_Vbox (Box1, False, 0);
Add (Frame, Box1);
Gtk_New_Vbox (Box2, False, 10);
Set_Border_Width (Box2, 10);
Pack_Start (Box1, Box2, False, False, 0);
Gtk_New (Status);
Pack_End (Box1, Status, False, False, 0);
Status_Cb.Object_Connect (Status, "text_popped",
Status_Cb.To_Marshaller (Popped'Access),
Slot_Object => Status);
Gtk_New (Button, "Push Something");
Pack_Start (Box2, Button, False, False, 0);
Status_Cb.Object_Connect (Button, "clicked",
Status_Cb.To_Marshaller (Push'Access),
Slot_Object => Status);
Gtk_New (Button, "Pop");
Pack_Start (Box2, Button, False, False, 0);
Status_Cb.Object_Connect (Button, "clicked",
Status_Cb.To_Marshaller (Pop'Access),
Slot_Object => Status);
Gtk_New (Button, "Steal Message_Id #4");
Pack_Start (Box2, Button, False, False, 0);
Status_Cb.Object_Connect (Button, "clicked",
Status_Cb.To_Marshaller (Steal'Access),
Slot_Object => Status);
Gtk_New (Button, "Dump stack");
Pack_Start (Box2, Button, False, False, 0);
Status_Cb.Object_Connect (Button, "clicked",
Status_Cb.To_Marshaller (Dump'Access),
Slot_Object => Status);
Gtk_New (Button, "Test contexts");
Pack_Start (Box2, Button, False, False, 0);
Status_Cb.Object_Connect (Button, "clicked",
Status_Cb.To_Marshaller (Contexts'Access),
Slot_Object => Status);
Show_All (Frame);
end Run;
end Create_Status;
|
