IME Test of SDL 2.0.4

SDL_IME_Text.cpp

#include <SDL.h>
#include <string.h>
#include <stdio.h>
#include <string>

char text[1000];
char *composition;
Sint32 cursor;
Sint32 selection_len;

int main(int argc, char *argv[])
{
	SDL_Window* window = NULL;
	SDL_Surface* screenSurface = NULL;
	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
		printf("SDL could not initialize! SDL_Error: %s\n", SDL_GetError());
	}
	else {
		window = SDL_CreateWindow("SDL Tutorial", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_SHOWN);
		if (window == NULL) {
			printf("Window could not be created! SDL_Error: %s\n", SDL_GetError());
		}
		else {
			screenSurface = SDL_GetWindowSurface(window);
			SDL_FillRect(screenSurface, NULL, SDL_MapRGB(screenSurface->format, 0xFF, 0xFF, 0xFF));
			SDL_UpdateWindowSurface(window);
		}
	}


	SDL_bool done = SDL_FALSE;
	/* ... */
	composition = ""; // prevert null
	std::string title;

	SDL_StartTextInput();
	while (!done) {
		SDL_Event event;
		if (SDL_PollEvent(&event)) {
			switch (event.type) {
			case SDL_QUIT:
				done = SDL_TRUE;
				break;
			case SDL_TEXTINPUT:
				strcat(text, event.text.text);
				title = text;
				break;
			case SDL_TEXTEDITING:
				composition = event.edit.text;
				title = std::string() + text + "[" + composition + "]";
				cursor = event.edit.start;
				selection_len = event.edit.length;
				break;
			}
		}
		SDL_SetWindowTitle(window, title.data());
		SDL_UpdateWindowSurface(window);
	}

	SDL_Quit();

	return 0;
}