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95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
/*
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* This example code reports the currently selected locales.
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*
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* This code is public domain. Feel free to use it for any purpose!
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*/
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#define SDL_MAIN_USE_CALLBACKS 1 /* use the callbacks instead of main() */
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#include <SDL3/SDL.h>
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#include <SDL3/SDL_main.h>
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/* We will use this renderer to draw into this window every frame. */
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static SDL_Window *window = NULL;
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static SDL_Renderer *renderer = NULL;
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/* This function runs once at startup. */
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SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
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{
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SDL_SetAppMetadata("Example Misc Locale", "1.0", "com.example.misc-locale");
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if (!SDL_Init(SDL_INIT_VIDEO)) {
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SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
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return SDL_APP_FAILURE;
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}
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if (!SDL_CreateWindowAndRenderer("examples/misc/locale", 640, 480, SDL_WINDOW_RESIZABLE, &window, &renderer)) {
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SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
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return SDL_APP_FAILURE;
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}
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SDL_SetRenderLogicalPresentation(renderer, 640, 480, SDL_LOGICAL_PRESENTATION_LETTERBOX);
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return SDL_APP_CONTINUE; /* carry on with the program! */
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}
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/* This function runs when a new event (mouse input, keypresses, etc) occurs. */
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SDL_AppResult SDL_AppEvent(void *appstate, SDL_Event *event)
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{
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if (event->type == SDL_EVENT_QUIT) {
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return SDL_APP_SUCCESS; /* end the program, reporting success to the OS. */
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}
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return SDL_APP_CONTINUE; /* carry on with the program! */
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}
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/* This function runs once per frame, and is the heart of the program. */
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SDL_AppResult SDL_AppIterate(void *appstate)
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{
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const SDL_FRect frame = { 0, 0, 640, 480 };
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SDL_Locale **locales;
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char msg[128];
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int count, i;
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float x, y;
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SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
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SDL_RenderClear(renderer);
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locales = SDL_GetPreferredLocales(&count);
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if (!locales) {
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x = frame.x + ((frame.w - (SDL_DEBUG_TEXT_FONT_CHARACTER_SIZE * SDL_strlen(msg))) / 2.0f);
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y = frame.y;
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SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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SDL_RenderDebugText(renderer, x, y, msg);
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} else {
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SDL_snprintf(msg, sizeof (msg), "Locales, in order of preference (%d total):", count);
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x = frame.x + ((frame.w - (SDL_DEBUG_TEXT_FONT_CHARACTER_SIZE * SDL_strlen(msg))) / 2.0f);
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y = frame.y;
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SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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SDL_RenderDebugText(renderer, x, y, msg);
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for (i = 0; locales[i]; ++i) {
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const SDL_Locale *l = locales[i];
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const char *c = l->country;
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SDL_snprintf(msg, sizeof (msg), " - %s%s%s", l->language, c ? "_" : "", c ? c : "");
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x = frame.x + ((frame.w - (SDL_DEBUG_TEXT_FONT_CHARACTER_SIZE * SDL_strlen(msg))) / 2.0f);
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y = frame.y + ((SDL_DEBUG_TEXT_FONT_CHARACTER_SIZE * 2) * (i + 1));
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SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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SDL_RenderDebugText(renderer, x, y, msg);
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}
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SDL_free(locales);
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}
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/* put the new rendering on the screen. */
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SDL_RenderPresent(renderer);
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return SDL_APP_CONTINUE; /* carry on with the program! */
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}
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/* This function runs once at shutdown. */
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void SDL_AppQuit(void *appstate, SDL_AppResult result)
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{
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/* SDL will clean up the window/renderer for us. */
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}
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