/*

   Copyright (C) 1997-2014 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 void

 DrawRects(SDL_Renderer * renderer, SDL_Rect * rect)

 {

     SDL_SetRenderDrawColor(renderer, 255, 127, 0, 255);

     SDL_RenderFillRect(renderer, rect);

 }

 int

 main(int argc, char *argv[])

 {

     int i, done;

     SDL_Rect rect;

     SDL_Event event;

     /* Enable standard application logging */

     SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);

     /* 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:

                 {

                     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];

             if (state->windows[i] == NULL)

                 continue;

             SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);

             SDL_RenderClear(renderer);

             DrawRects(renderer, &rect);

             SDL_RenderPresent(renderer);

         }

     }

     SDLTest_CommonQuit(state);

     return 0;

 }

 /* vi: set ts=4 sw=4 expandtab: */