text: /*
    Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
  
    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any damages
    arising from the use of this software.
  
    Permission is granted to anyone to use this software for any purpose,
    including commercial applications, and to alter it and redistribute it
    freely.
  */
  
  /* Simple program:  Test relative mouse motion */
  
  #include <stdlib.h>
  #include <stdio.h>
  #include <time.h>
  
  #include "SDL_test_common.h"
  
  
  static SDLTest_CommonState *state;
  static SDL_Rect rect;
  
  static void
  DrawRects(SDL_Renderer * renderer)
  {
      SDL_SetRenderDrawColor(renderer, 255, 127, 0, 255);
      SDL_RenderFillRect(renderer,&rect);
  }
  
  int
  main(int argc, char *argv[])
  {
      int i, done;
      SDL_Event event;
  
   
      /* Initialize test framework */
      state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
      if (!state) {
          return 1;
      }
      for (i = 1; i < argc;i++) {
          SDLTest_CommonArg(state, i);
      }
      if (!SDLTest_CommonInit(state)) {
          return 2;
      }
  
      /* Create the windows and initialize the renderers */
      for (i = 0; i < state->num_windows; ++i) {
          SDL_Renderer *renderer = state->renderers[i];
          SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_NONE);
          SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
          SDL_RenderClear(renderer);
      }
  
      srand((unsigned int)time(NULL));
      if(SDL_SetRelativeMouseMode(SDL_TRUE) < 0) {
          return 3;
      };
  
      rect.x = DEFAULT_WINDOW_WIDTH / 2;
      rect.y = DEFAULT_WINDOW_HEIGHT / 2;
      rect.w = 10;
      rect.h = 10;
      /* Main render loop */
      done = 0;
      while (!done) {
          /* Check for events */
          while (SDL_PollEvent(&event)) {
              SDLTest_CommonEvent(state, &event, &done);
              switch(event.type) {
                  case SDL_MOUSEMOTION:
                  {
                      /*printf("mouse motion ABS x %d y %d REL x %d y %d\n",event.motion.x,event.motion.y,event.motion.xrel,event.motion.yrel);*/
                      rect.x += event.motion.xrel;
                      rect.y += event.motion.yrel;
  
                  }
                  break;
              }
          }
          for (i = 0; i < state->num_windows; ++i) {
              SDL_Renderer *renderer = state->renderers[i];
              SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
              SDL_RenderClear(renderer);
  
              DrawRects(renderer);
  
              SDL_RenderPresent(renderer);
          }
      }
  
      SDLTest_CommonQuit(state);
      return 0;
  }
  
  /* vi: set ts=4 sw=4 expandtab: */
  