kc3-lang/SDL/test/testwm2.c

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• Hash : 7df6a9ea
  Author :
  Date : 2021-07-27T10:44:04
  

  Add a test case for bug https://github.com/libsdl-org/SDL/issues/4469

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• test/testwm2.c

• /*
    Copyright (C) 1997-2021 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.
  */
  
  #include <stdlib.h>
  #include <stdio.h>
  
  #ifdef __EMSCRIPTEN__
  #include <emscripten/emscripten.h>
  #endif
  
  #include "SDL_test_common.h"
  
  static SDLTest_CommonState *state;
  int done;
  
  static const char *cursorNames[] = {
          "arrow",
          "ibeam",
          "wait",
          "crosshair",
          "waitarrow",
          "sizeNWSE",
          "sizeNESW",
          "sizeWE",
          "sizeNS",
          "sizeALL",
          "NO",
          "hand",
  };
  int system_cursor = -1;
  SDL_Cursor *cursor = NULL;
  SDL_bool relative_mode = SDL_FALSE;
  
  /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
  static void
  quit(int rc)
  {
      SDLTest_CommonQuit(state);
      exit(rc);
  }
  
  void
  loop()
  {
      int i;
      SDL_Event event;
          /* Check for events */
          while (SDL_PollEvent(&event)) {
              SDLTest_CommonEvent(state, &event, &done);
  
              if (event.type == SDL_WINDOWEVENT) {
                  if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
                      SDL_Window *window = SDL_GetWindowFromID(event.window.windowID);
                      if (window) {
                          SDL_Log("Window %d resized to %dx%d\n",
                              event.window.windowID,
                              event.window.data1,
                              event.window.data2);
                      }
                  }
                  if (event.window.event == SDL_WINDOWEVENT_MOVED) {
                      SDL_Window *window = SDL_GetWindowFromID(event.window.windowID);
                      if (window) {
                          SDL_Log("Window %d moved to %d,%d (display %s)\n",
                              event.window.windowID,
                              event.window.data1,
                              event.window.data2,
                              SDL_GetDisplayName(SDL_GetWindowDisplayIndex(window)));
                      }
                  }
                  if (event.window.event == SDL_WINDOWEVENT_FOCUS_LOST) {
                      relative_mode = SDL_GetRelativeMouseMode();
                      if (relative_mode) {
                          SDL_SetRelativeMouseMode(SDL_FALSE);
                      }
                  }
                  if (event.window.event == SDL_WINDOWEVENT_FOCUS_GAINED) {
                      if (relative_mode) {
                          SDL_SetRelativeMouseMode(SDL_TRUE);
                      }
                  }
              }
              if (event.type == SDL_KEYUP) {
                  SDL_bool updateCursor = SDL_FALSE;
  
                  if (event.key.keysym.sym == SDLK_LEFT) {
                      --system_cursor;
                      if (system_cursor < 0) {
                          system_cursor = SDL_NUM_SYSTEM_CURSORS - 1;
                      }
                      updateCursor = SDL_TRUE;
                  } else if (event.key.keysym.sym == SDLK_RIGHT) {
                      ++system_cursor;
                      if (system_cursor >= SDL_NUM_SYSTEM_CURSORS) {
                          system_cursor = 0;
                      }
                      updateCursor = SDL_TRUE;
                  }
                  if (updateCursor) {
                      SDL_Log("Changing cursor to \"%s\"", cursorNames[system_cursor]);
                      SDL_FreeCursor(cursor);
                      cursor = SDL_CreateSystemCursor((SDL_SystemCursor)system_cursor);
                      SDL_SetCursor(cursor);
                  }
              }
          }
  
          for (i = 0; i < state->num_windows; ++i) {
              SDL_Renderer *renderer = state->renderers[i];
              if (renderer != NULL) {
                  SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
                  SDL_RenderClear(renderer);
  
                  SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
                  SDLTest_CommonDrawWindowInfo(renderer, state->windows[i]);
  
                  SDL_RenderPresent(renderer);
              }
          }
  #ifdef __EMSCRIPTEN__
      if (done) {
          emscripten_cancel_main_loop();
      }
  #endif
  }
  
  int
  main(int argc, char *argv[])
  {
      int i;
  
      /* Enable standard application logging */
      SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
  
      SDL_assert(SDL_arraysize(cursorNames) == SDL_NUM_SYSTEM_CURSORS);
  
      /* Initialize test framework */
      state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
      if (!state) {
          return 1;
      }
  
      if (!SDLTest_CommonDefaultArgs(state, argc, argv) || !SDLTest_CommonInit(state)) {
          SDLTest_CommonQuit(state);
          return 1;
      }
  
      SDL_EventState(SDL_DROPFILE, SDL_ENABLE);
      SDL_EventState(SDL_DROPTEXT, SDL_ENABLE);
  
      for (i = 0; i < state->num_windows; ++i) {
          SDL_Renderer *renderer = state->renderers[i];
          SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
          SDL_RenderClear(renderer);
      }
   
      /* Main render loop */
      done = 0;
  #ifdef __EMSCRIPTEN__
      emscripten_set_main_loop(loop, 0, 1);
  #else
      while (!done) {
          loop();
      }
  #endif
      SDL_FreeCursor(cursor);
  
      quit(0);
      /* keep the compiler happy ... */
      return(0);
  }
  
  /* vi: set ts=4 sw=4 expandtab: */
  

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