| /* |
| Copyright (C) 1997-2013 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: */ |