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ada-git-code

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new String'(Xnest_Geometry),
new String'("-name"),
new String'(Xnest_Title),
new String'("-reset"),
new String'("-terminate"),
new String'("-fn"),
new String'
("-gnu-unifont-medium-r-normal-sans-16-160-75-75-c-80-iso10646-1"),
new String'("-bw"),
new String'(Xnest_Border));
Launch_Status : Boolean := True;
-- The return status of the command + arguments
function Command_Arguments return GNAT.OS_Lib.Argument_List is
Command_Words : GNAT.OS_Lib.Argument_List (1 .. Argument_Count) :=
(others => null);
Xterm_Command_Words : Os.String_List := Xterm_Command_Arguments;
begin
for N in 1 .. Argument_Count loop
Command_Words (N) := new String'(Argument (N));
end loop;
if Command_Words'Length > 0 then
return Command_Words;
else
return Xterm_Command_Words;
end if;
end Command_Arguments;
procedure Launch
(Command : String;
Arguments : GNAT.OS_Lib.Argument_List) is
Launch_Arguments : GNAT.OS_Lib.Argument_List := Arguments;
begin
GNAT.OS_Lib.Spawn (Command, Launch_Arguments, Launch_Status);
end Launch;
Launch_Error_Count : Integer := 0;
begin
Env.Clear ("SESSION_MANAGER");
Env.Set ("DISPLAY", Env_Display);
declare
Arguments : Os.Argument_List := Command_Arguments;
Xnest : Os.Process_Id;
Xserver : Os.Process_Id;
Session_Manager : Os.Process_Id;
Process_With_Exit : Os.Process_Id;
-- Arguments => checked and tweaked argument list given at progam start
-- Xnest => The instance of Xnest or Xorg that will be monitored, Session_Manager
-- Xterm : OS.Process_Id;
begin
if Env_Display /= "" then
if Xnest_Command_Access /= null
and then Manager_Command_Access /= null
then
Xnest :=
Os.Non_Blocking_Spawn
(Xnest_Command_Access.all,
Xnest_Arguments);
Env.Set ("DISPLAY", New_Display);
delay 0.02;
Session_Manager :=
Os.Non_Blocking_Spawn (Manager_Command_Access.all, Arguments);
Os.Wait_Process (Process_With_Exit, Launch_Status);
else
Launch_Status := False;
Xnest := Os.Invalid_Pid;
Session_Manager := Invalid_Pid;
end if;
else
--- Remaining startx operations go here. ---
if Xserver_Command_Access /= null
and then Manager_Command_Access /= null
then
Xserver :=
Os.Non_Blocking_Spawn
(Xserver_Command_Access.all,
Xserver_Arguments);
Env.Set ("DISPLAY", New_Display);
delay 0.02;
Session_Manager :=
Os.Non_Blocking_Spawn (Manager_Command_Access.all, Arguments);
Os.Wait_Process (Process_With_Exit, Launch_Status);
else
Launch_Status := False;
Xnest := Os.Invalid_Pid;
Session_Manager := Invalid_Pid;
end if;