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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Damien Doligez, projet Para, INRIA Rocquencourt */
/* */
/* Copyright 1997 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License. */
/* */
/***********************************************************************/
/* $Id$ */
#include "main.h"
QDGlobals qd;
int gHasDragAndDrop = 0;
int gHasPowerManager = 0;
int quit_requested = 0;
int launch_toplevel_requested = 0;
static OSErr Initialise (void)
{
long gestval;
int i;
OSErr err;
SetApplLimit (GetApplLimit () - kExtraStackSpace);
MaxApplZone ();
for (i = 0; i < kMoreMasters; i++) MoreMasters ();
InitGraf (&qd.thePort);
InitFonts ();
InitWindows ();
InitMenus ();
TEInit ();
InitDialogs (nil);
InitCursor ();
FlushEvents (everyEvent, 0);
/* Unload the clipboard to disk if it's too big. */
if (InfoScrap ()->scrapSize > kScrapThreshold) UnloadScrap ();
/* Check for system 7. */
if (Gestalt (gestaltSystemVersion, &gestval) != noErr
|| gestval < kMinSystemVersion){
InitCursor ();
StopAlert (kAlertNeedSys7, NULL);
ExitToShell ();
}
/* Check for 32-bit color QuickDraw. */
if (Gestalt (gestaltQuickdrawVersion, &gestval) != noErr
|| gestval < gestalt32BitQD){
InitCursor ();
StopAlert (kAlertNeed32BitQD, NULL);
ExitToShell ();
}
/* Check for Drag Manager. */
if (Gestalt (gestaltDragMgrAttr, &gestval) == noErr
&& (gestval & (1 << gestaltDragMgrPresent))
&& (&NewDrag != NULL)){
gHasDragAndDrop = 1;
}
/* Check for Power Manager. */
if (Gestalt (gestaltPowerMgrAttr, &gestval) == noErr
&& (gestval & (1 << gestaltPMgrExists))){
gHasPowerManager = 1;
}
err = InitialiseErrors ();
if (err != noErr) goto problem;
if (gHasDragAndDrop){
err = InstallDragHandlers ();
if (err != noErr) goto problem;
}
err = InitialiseEvents ();
if (err != noErr) goto problem;
err = InitialiseMenus ();
if (err != noErr) goto problem;
err = InitialiseScroll ();
if (err != noErr) goto problem;
err = InitialiseWindows ();
if (err != noErr) goto problem;
err = InitialiseModalFilter ();
if (err != noErr) goto problem;
ReadPrefs ();
return noErr;
problem: return err;
}
static void Finalise (void)
{
if (gHasDragAndDrop) RemoveDragHandlers ();
WritePrefs ();
}
void main (void)
{
OSErr err;
err = Initialise ();
if (err != noErr) ExitApplication ();
while (1){
GetAndProcessEvents (waitEvent, 0, 0);
if (launch_toplevel_requested){
err = launch_caml_main (); /* does not return */
if (err != noErr) ErrorAlertGeneric (err);
}
}
ExitApplication ();
}
void ExitApplication (void)
{
Caml_working (0);
Finalise ();
ExitToShell ();
}
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