mirror of
https://github.com/thunderbrewhq/thunderbrew
synced 2025-10-27 14:26:04 +03:00
706c8903a1
* chore(build): add vendored SDL 3.0.0 library * chore(build): add vendored glew-cmake-2.2.0 library * feat(console): in the presence of -opengl launch flag, change GxApi to OpenGl * feat(gx): add uncompleted CGxDeviceGLSDL targeting Windows and Linux * chore(build): change SDL3 linkage from shared (bad) to to static (good)
314 lines
8.2 KiB
C
314 lines
8.2 KiB
C
/*
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Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely.
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*/
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/* Simple program: Loop, watching keystrokes
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Note that you need to call SDL_PollEvent() or SDL_WaitEvent() to
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pump the event loop and catch keystrokes.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef __EMSCRIPTEN__
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#include <emscripten/emscripten.h>
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#endif
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#include <SDL3/SDL.h>
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#include <SDL3/SDL_main.h>
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#include <SDL3/SDL_test.h>
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static int done;
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/* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
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static void
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quit(int rc)
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{
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SDL_Quit();
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/* Let 'main()' return normally */
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if (rc != 0) {
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exit(rc);
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}
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}
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static void
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print_string(char **text, size_t *maxlen, const char *fmt, ...)
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{
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int len;
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va_list ap;
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va_start(ap, fmt);
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len = SDL_vsnprintf(*text, *maxlen, fmt, ap);
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if (len > 0) {
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*text += len;
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if (((size_t)len) < *maxlen) {
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*maxlen -= (size_t)len;
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} else {
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*maxlen = 0;
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}
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}
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va_end(ap);
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}
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static void
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print_modifiers(char **text, size_t *maxlen)
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{
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int mod;
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print_string(text, maxlen, " modifiers:");
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mod = SDL_GetModState();
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if (!mod) {
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print_string(text, maxlen, " (none)");
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return;
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}
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if (mod & SDL_KMOD_LSHIFT) {
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print_string(text, maxlen, " LSHIFT");
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}
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if (mod & SDL_KMOD_RSHIFT) {
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print_string(text, maxlen, " RSHIFT");
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}
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if (mod & SDL_KMOD_LCTRL) {
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print_string(text, maxlen, " LCTRL");
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}
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if (mod & SDL_KMOD_RCTRL) {
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print_string(text, maxlen, " RCTRL");
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}
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if (mod & SDL_KMOD_LALT) {
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print_string(text, maxlen, " LALT");
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}
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if (mod & SDL_KMOD_RALT) {
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print_string(text, maxlen, " RALT");
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}
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if (mod & SDL_KMOD_LGUI) {
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print_string(text, maxlen, " LGUI");
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}
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if (mod & SDL_KMOD_RGUI) {
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print_string(text, maxlen, " RGUI");
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}
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if (mod & SDL_KMOD_NUM) {
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print_string(text, maxlen, " NUM");
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}
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if (mod & SDL_KMOD_CAPS) {
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print_string(text, maxlen, " CAPS");
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}
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if (mod & SDL_KMOD_MODE) {
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print_string(text, maxlen, " MODE");
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}
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if (mod & SDL_KMOD_SCROLL) {
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print_string(text, maxlen, " SCROLL");
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}
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}
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static void
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PrintModifierState(void)
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{
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char message[512];
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char *spot;
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size_t left;
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spot = message;
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left = sizeof(message);
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print_modifiers(&spot, &left);
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SDL_Log("Initial state:%s\n", message);
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}
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static void
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PrintKey(SDL_Keysym *sym, SDL_bool pressed, SDL_bool repeat)
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{
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char message[512];
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char *spot;
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size_t left;
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spot = message;
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left = sizeof(message);
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/* Print the keycode, name and state */
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if (sym->sym) {
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print_string(&spot, &left,
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"Key %s: scancode %d = %s, keycode 0x%08X = %s ",
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pressed ? "pressed " : "released",
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sym->scancode,
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SDL_GetScancodeName(sym->scancode),
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sym->sym, SDL_GetKeyName(sym->sym));
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} else {
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print_string(&spot, &left,
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"Unknown Key (scancode %d = %s) %s ",
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sym->scancode,
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SDL_GetScancodeName(sym->scancode),
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pressed ? "pressed " : "released");
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}
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print_modifiers(&spot, &left);
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if (repeat) {
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print_string(&spot, &left, " (repeat)");
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}
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SDL_Log("%s\n", message);
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}
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static void
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PrintText(const char *eventtype, const char *text)
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{
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const char *spot;
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char expanded[1024];
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expanded[0] = '\0';
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for (spot = text; *spot; ++spot) {
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size_t length = SDL_strlen(expanded);
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(void)SDL_snprintf(expanded + length, sizeof(expanded) - length, "\\x%.2x", (unsigned char)*spot);
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}
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SDL_Log("%s Text (%s): \"%s%s\"\n", eventtype, expanded, *text == '"' ? "\\" : "", text);
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}
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static void loop(void)
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{
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SDL_Event event;
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/* Check for events */
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/*SDL_WaitEvent(&event); emscripten does not like waiting*/
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(void)fprintf(stderr, "starting loop\n");
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(void)fflush(stderr);
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while (!done && SDL_WaitEvent(&event)) {
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SDL_Log("Got event type: %" SDL_PRIu32 "\n", event.type);
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switch (event.type) {
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case SDL_EVENT_KEY_DOWN:
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case SDL_EVENT_KEY_UP:
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PrintKey(&event.key.keysym, (event.key.state == SDL_PRESSED) ? SDL_TRUE : SDL_FALSE, (event.key.repeat) ? SDL_TRUE : SDL_FALSE);
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break;
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case SDL_EVENT_TEXT_EDITING:
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PrintText("EDIT", event.text.text);
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break;
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case SDL_EVENT_TEXT_INPUT:
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PrintText("INPUT", event.text.text);
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break;
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case SDL_EVENT_MOUSE_BUTTON_DOWN:
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/* Left button quits the app, other buttons toggles text input */
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(void)fprintf(stderr, "mouse button down button: %d (LEFT=%d)\n", event.button.button, SDL_BUTTON_LEFT);
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(void)fflush(stderr);
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if (event.button.button == SDL_BUTTON_LEFT) {
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done = 1;
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} else {
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if (SDL_TextInputActive()) {
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SDL_Log("Stopping text input\n");
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SDL_StopTextInput();
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} else {
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SDL_Log("Starting text input\n");
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SDL_StartTextInput();
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}
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}
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break;
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case SDL_EVENT_QUIT:
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done = 1;
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break;
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default:
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break;
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}
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(void)fprintf(stderr, "waiting new event\n");
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(void)fflush(stderr);
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}
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(void)fprintf(stderr, "exiting event loop\n");
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(void)fflush(stderr);
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#ifdef __EMSCRIPTEN__
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if (done) {
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emscripten_cancel_main_loop();
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}
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#endif
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}
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/* Very simple thread - counts 0 to 9 delaying 50ms between increments */
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static int SDLCALL ping_thread(void *ptr)
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{
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int cnt;
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SDL_Event sdlevent;
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SDL_memset(&sdlevent, 0, sizeof(SDL_Event));
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for (cnt = 0; cnt < 10; ++cnt) {
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(void)fprintf(stderr, "sending event (%d/%d) from thread.\n", cnt + 1, 10);
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(void)fflush(stderr);
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sdlevent.type = SDL_EVENT_KEY_DOWN;
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sdlevent.key.keysym.sym = SDLK_1;
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SDL_PushEvent(&sdlevent);
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SDL_Delay(1000 + rand() % 1000);
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}
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return cnt;
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}
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int main(int argc, char *argv[])
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{
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SDL_Window *window;
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SDL_Renderer *renderer;
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SDL_Thread *thread;
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SDLTest_CommonState *state;
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/* Initialize test framework */
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state = SDLTest_CommonCreateState(argv, 0);
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if (state == NULL) {
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return 1;
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}
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/* Enable standard application logging */
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SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
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/* Parse commandline */
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if (!SDLTest_CommonDefaultArgs(state, argc, argv)) {
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return 1;
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}
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/* Initialize SDL */
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if (SDL_Init(SDL_INIT_VIDEO) < 0) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
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return 1;
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}
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/* Set 640x480 video mode */
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window = SDL_CreateWindow("CheckKeys Test", 640, 480, 0);
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if (window == NULL) {
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SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create 640x480 window: %s\n",
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SDL_GetError());
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quit(2);
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}
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/* On wayland, no window will actually show until something has
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actually been displayed.
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*/
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renderer = SDL_CreateRenderer(window, NULL, 0);
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SDL_RenderPresent(renderer);
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#ifdef __IOS__
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/* Creating the context creates the view, which we need to show keyboard */
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SDL_GL_CreateContext(window);
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#endif
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SDL_StartTextInput();
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/* Print initial modifier state */
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SDL_PumpEvents();
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PrintModifierState();
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/* Watch keystrokes */
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done = 0;
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thread = SDL_CreateThread(ping_thread, "PingThread", NULL);
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#ifdef __EMSCRIPTEN__
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emscripten_set_main_loop(loop, 0, 1);
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#else
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while (!done) {
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loop();
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}
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#endif
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SDL_DestroyRenderer(renderer);
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SDL_DestroyWindow(window);
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SDL_WaitThread(thread, NULL);
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SDL_Quit();
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SDLTest_CommonDestroyState(state);
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return 0;
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}
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