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{
TestZVT - An FPC Example Program demonstrating the most common use
of ZVTTerm in a GNOME application.
Copyright (C) 2002 Andrew Johnson <aj_genius@hotmail.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser 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.
**********************************************************************}
Program TestZVT;
(* Try to Execute mc (midnight commander) instead of sh *)
{$Define exec_mc}
Uses
SysUtils,
{ Linux/UNIX Unit, for execvp }
{$IfDef ver1_0}linux{$Else}Unix{$EndIF},
{ Standard GTK+ 1.x Interface }
glib, gdk, gtk,
{ Standard GNOME 1.x Interface }
libgnome, libgnomeui,
{ Standard libzvt 1.x Interface }
libzvt;
const
(* what to execvp in terminal widget *)
{$Ifdef exec_mc}
Command : PChar = 'mc';
Params : array[0..1] of PChar = ('TERM=xterm', nil);
{$else}
Command : PChar = 'sh';
Params : array[0..0] of PChar = (nil);
{$EndIf}
Terminals : Longint = 0;//# of terminals currently open
(* Program Information for GNOME & About Box *)
ProgramName : PChar = 'TestZVT';
ProgramVersion : PChar = '1.0';
(* Information for About Box *)
Copyright : PChar = 'Copyright (C) 2002 Andrew Johnson';
Authors : array[0..1] of PChar = ('Andrew Johnson <aj_genius@hotmail.com>', nil);
Comments : PChar = 'An FPC Example Program demonstrating the most common use of ZVTTerm in a GNOME application.';
var
app, mdichild : pointer;
Procedure quit_testzvt(Widget : PGTKWidget; Data : Pointer); cdecl;
begin
(* Quite Main Loop *)
gtk_main_quit;
end;
Procedure exit_terminal(Widget : PGTKWidget; Data : Pointer); cdecl;
begin
(* Destroy terminal on process exit, and quit if only terminal open *)
gnome_mdi_remove_view(App, Data, 1);
Dec(Terminals);
end;
Procedure close_activechild(Widget : PGTKWidget; Data : Pointer); cdecl;
begin
(* close active view *)
exit_terminal(Widget, gnome_mdi_get_active_view(App));
end;
Procedure new_child(Widget : PGTKWidget; Data : Pointer); cdecl;
begin
(* create new view& set active *)
gnome_mdi_add_view(app, mdichild);
end;
Procedure about_testzvt(Widget : PGTKWidget; Data : Pointer); cdecl;
var
AboutBox : Pointer;
begin
(* Create and Run an About Box *)
AboutBox := gnome_about_new(gnome_app_id, ProgramVersion, Copyright,
@Authors[0],Comments,nil);
gnome_dialog_set_parent(AboutBox, GTK_Window(gnome_mdi_get_active_window(App)));
gnome_dialog_run_and_close(AboutBox);
end;
Procedure show_terminal(Widget : PGTKWidget; Data : Pointer); cdecl;
begin
(* fork terminal process, and Exec Command *)
If zvt_term_forkpty(ZVT_TERM(Widget), ZVT_TERM_DO_UTMP_LOG or ZVT_TERM_DO_WTMP_LOG or ZVT_TERM_DO_LASTLOG) = 0 then
execvp (Command, @Command, @Params[0]);
(* close app when fork'ed terminal process finishes/dies *)
gtk_signal_connect (GTK_OBJECT(Widget), 'child_died', GTK_SIGNAL_FUNC (@exit_terminal), Data);
end;
Function NewTerminalView: PGTKWidget; cdecl;
var
hBox, SB, Term : gPointer;
begin
(* Create hbox for layout of Terminal/Scrollbar *)
hBox := gtk_hbox_new(FALSE, 0);
term := zvt_term_new_with_size(80,30);//start with average size
(* Set up terminal options *)
zvt_term_set_shadow_type(term, GTK_SHADOW_IN);//give the terminal a small indented frame
zvt_term_set_font_name(term, '-misc-fixed-medium-r-normal-*-12-200-*-*-c-75-*-*');
zvt_term_set_scrollback(term, 10000);//give a decent amount of scrollback
zvt_term_set_scroll_on_keystroke(term, True);//default on most terminals
zvt_term_set_scroll_on_output(term, False);//default on most terminals
zvt_term_set_background(ZVT_TERM (term), nil, False, 0);//ensure is not transparent
gtk_signal_connect_after(term, 'show', GTK_SIGNAL_FUNC (@show_terminal), hBox);
(* Create scrollbar *)
sb := gtk_vscrollbar_new(GTK_ADJUSTMENT (ZVT_TERM(term)^.adjustment));
GTK_WIDGET_UNSET_FLAGS(sb, GTK_CAN_FOCUS);//Should never capture keyboard
(* Pack Box *)
gtk_box_pack_start(hBox, term, TRUE, TRUE, 0);
gtk_box_pack_start(hBox, sb, FALSE, TRUE, 0);
gtk_object_set_data(hbox, 'caption', Pchar('Terminal #' + IntToStr(Terminals)));
gtk_widget_show_all(hBox);
NewTerminalView := hBox;
Inc(Terminals);
end;
Function CreateMDIChildWidget : Pointer;
var
child : Pointer;
begin
child := gnome_mdi_generic_child_new('Terminal');
gnome_mdi_generic_child_set_view_creator(child, @NewTerminalView, nil);
CreateMDIChildWidget := child;
end;
var
file_menu : array[0..4] of TGnomeUIInfo;
help_menu : array[0..1] of TGnomeUIInfo;
Menus : array[0..2] of TGnomeUIInfo;
begin
(* Initialize GNOME with Current Program Name and Version *)
gnome_init(ProgramName, ProgramVersion, argc, argv);
(* Create Main App *)
app := gnome_mdi_new(gnome_app_id, 'FPC GNOME ZVT Test');
gtk_signal_connect(app, 'destroy', GTK_SIGNAL_FUNC (@quit_testzvt), nil);
(* Create Stock Menus *)
file_menu[0] := GNOMEUIINFO_MENU_NEW_ITEM('New Shell Process', 'Opens a new shell process', @new_child, nil);
file_menu[1] := GNOMEUIINFO_MENU_CLOSE_ITEM(@close_activechild,nil);
file_menu[2] := GNOMEUIINFO_SEPARATOR;
file_menu[3] := GNOMEUIINFO_MENU_EXIT_ITEM(@quit_testzvt,nil);
file_menu[4] := GNOMEUIINFO_END;
help_menu[0] := GNOMEUIINFO_MENU_ABOUT_ITEM(@about_testzvt, app);
help_menu[1] := GNOMEUIINFO_END;
menus[0] := GNOMEUIINFO_MENU_FILE_TREE(@file_menu[0]);
menus[1] := GNOMEUIINFO_MENU_HELP_TREE(@help_menu[0]);
menus[2] := GNOMEUIINFO_END;
mdichild := CreateMDIChildWidget;
(* Set App Menu/Contents, and Show All *)
gnome_mdi_set_mode(App, GNOME_MDI_NOTEBOOK);
gnome_mdi_set_menubar_template(App, @Menus[0]);
gnome_mdi_open_toplevel(app);
gnome_mdi_add_child(app, mdichild);
gnome_mdi_add_view(app, mdichild);
gnome_mdi_add_view(app, mdichild);
(* Run Main Loop *)
gtk_main();
(* cleanup and exit *)
gtk_exit(0);
end.
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