view src/video/qtopia/SDL_QPEApp.cc @ 1050:8e1815fd9777

Holding down shift while moving the mouse's scrollwheel on MacOS X makes the OS report these are "horizontal scrollwheel" events, which confuses gaming apps in several legitimate conditions. Now all scrollwheel events are made to look vertical when passed to the app. Patch by John Knottenbelt. http://www.libsdl.org/pipermail/sdl/2005-March/067978.html
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 17 Apr 2005 10:32:41 +0000
parents b8d311d90021
children 376665398b25
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2004 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Sam Lantinga
    slouken@libsdl.org
*/

#include <qpe/qpeapplication.h>
#include <qapplication.h>
#include <qevent.h>

#include "SDL_thread.h"
#include "SDL_timer.h"
#include "SDL_error.h"

/* Flag to tell whether or not the Be application is active or not */
int SDL_QPEAppActive = 0;
static QPEApplication *app;

int SDL_InitQPEApp() {
  if(SDL_QPEAppActive <= 0) {
    if(!qApp) {
      int argc = 1;
      char *argv[] = { { "SDLApp" } };
      app = new QPEApplication(argc, argv);
      QWidget dummy;
      app->showMainWidget(&dummy);
    } else {
      app = (QPEApplication*)qApp;
    }
    SDL_QPEAppActive++;
  }
  return 0;  
}

/* Quit the QPE Application, if there's nothing left to do */
void SDL_QuitQPEApp(void)
{
  /* Decrement the application reference count */
  SDL_QPEAppActive--;
  /* If the reference count reached zero, clean up the app */
  if ( SDL_QPEAppActive == 0 && app) {
    delete app;
    app = 0;
    qApp = 0;
  }
}