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-------------------------------------------------------------------------------
-- --
-- Ada Interface to the X Window System and Motif(tm)/Lesstif --
-- Copyright (c) 1996-2000 Hans-Frieder Vogt --
-- --
-- This program 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 program 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 program; if not, write to the --
-- Free Software Foundation, Inc., --
-- 59 Temple Place - Suite 330, --
-- Boston, MA 02111-1307, USA. --
-- --
-- --
-- X Window System is copyrighted by the X Consortium --
-- Motif(tm) is copyrighted by the Open Software Foundation, Inc. --
-- --
-- --
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
--
-- HISTORY:
-- April, 3 1998: H.-F. Vogt: added Xm_N_Allow_Shell_Resize so that the label
-- needn't be resized manually once the time is
-- shown
--
-------------------------------------------------------------------------------
-- ----------------------------------------------------------------------------
--
-- simple example for the Ada bindings to Motif/X
--
-- shows a digital clock, possesses an icon
--
-- ----------------------------------------------------------------------------
with Xm_Widgets.Primitive.Label,
Xm_Widgets.Shell,
X_Toolkit,
X_Lib,
X_Lib.Tasking,
Xpm_Lib,
Text_Io;
use Xm_Widgets.Primitive.Label,
Xm_Widgets,
X_Toolkit,
X_Lib,
Xpm_Lib;
with Dig_Clock_Global, Ladyada_Xpm;
use Dig_Clock_Global;
procedure Dig_Clock is
Argl : Arg_List;
begin
X_Lib.Tasking.Resource.Seize;
Append_Set (Argl, Xm_Widgets.Shell.Xm_N_Allow_Shell_Resize, True);
Xt_App_Initialize (Appshell, App_Con, "Dig_Clock", Args => Argl);
declare
Display : Display_Pointer;
Screen : Screen_Pointer;
Window : Window_ID;
Pixm : Pixmap_ID;
Pixsh : Pixmap_ID;
Xpm_Attr : Xpm_Attributes;
begin
Display := Xt_Display (Appshell);
Screen := Xt_Screen (Appshell);
Window := X_Root_Window_Of_Screen (Screen);
Xpm_Attr.Value_Mask := (others => False);
Xpm_Create_Pixmap_From_Data (Display, Window, Ladyada_Xpm.Pix, Pixm, Pixsh, Xpm_Attr);
Argl := Null_Arg_List;
Append_Set (Argl, Xm_Widgets.Shell.Xm_N_Icon_Pixmap, XID (Pixm));
Xt_Set_Values (Appshell, Argl);
exception
when Xpm_Error_Color_Error =>
Text_IO.Put_Line ("ERROR: XpmColorError");
when Xpm_Error_Open_Failed =>
Text_Io.Put_Line ("ERROR: XpmOpenFailed");
when Xpm_Error_File_Invalid =>
Text_Io.Put_Line ("ERROR: XpmFileInvalid");
when Xpm_Error_No_Memory =>
Text_Io.Put_Line ("ERROR: XpmNoMemory");
when Xpm_Error_Color_Failed =>
Text_Io.Put_Line ("ERROR: XpmColorFailed");
when Xpm_Error_Unknown =>
Text_Io.Put_Line ("ERROR: Xpm???");
when others =>
Text_Io.Put_Line ("ERROR: ???");
end;
The_Label := Xm_Create_Label (Appshell, "TheLabel");
Xt_Manage_Child (The_Label);
Xt_Realize_Widget (Appshell);
-- every second rewrite the label
Timer_ID := Xt_App_Add_Time_Out (App_Con, 500, Timeout_CB'Access, To_Xt_Pointer (The_Label));
Xt_App_Main_Loop (App_Con);
end Dig_Clock;
|
