115 lines
3.7 KiB
C
115 lines
3.7 KiB
C
#include <stdio.h>
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#include "SDL.h"
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static SDL_AudioDeviceID audio_device = 0;
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static SDL_Window *window = NULL;
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static SDL_Renderer *renderer = NULL;
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#if defined(__clang__) || defined(__GNUC__)
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static void panic_and_abort(const char *title, const char *text) __attribute__((noreturn));
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#endif
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static void panic_and_abort(const char *title, const char *text) {
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fprintf(stderr, "PANIC: %s ... %s\n", title, text);
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SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, title, text, window);
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SDL_Quit();
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exit(1);
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}
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int main(int argc, char **argv) {
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if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) != 0) {
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panic_and_abort("SDL_Init failed", SDL_GetError());
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}
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window = SDL_CreateWindow("sdlamp", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 1024, 768, 0);
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if (!window) {
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panic_and_abort("SDL_CreateWindow failed", SDL_GetError());
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}
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renderer = SDL_CreateRenderer(window, 0, SDL_RENDERER_PRESENTVSYNC);
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if (!renderer) {
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panic_and_abort("SDL_CreateRenderer failed", SDL_GetError());
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}
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// Enable dropfile events
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SDL_EventState(SDL_DROPFILE, SDL_ENABLE);
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const SDL_Rect rewind_rect = {100, 100, 100, 100};
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const SDL_Rect pause_rect = {400, 100, 100, 100};
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SDL_AudioSpec wavspec;
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Uint8 *wavbuf = NULL;
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Uint32 wavlen = 0;
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SDL_bool paused = SDL_TRUE;
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SDL_bool quit = SDL_FALSE;
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while (!quit) {
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SDL_Event e;
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while (SDL_PollEvent(&e)) {
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switch (e.type) {
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case SDL_QUIT:
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quit = SDL_TRUE;
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break;
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case SDL_MOUSEBUTTONDOWN: {
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SDL_Point pt = { e.button.x, e.button.y };
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if (SDL_PointInRect(&pt, &rewind_rect)) {
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SDL_ClearQueuedAudio(audio_device);
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SDL_QueueAudio(audio_device, wavbuf, wavlen);
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} else if (SDL_PointInRect(&pt, &pause_rect)) {
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paused = paused ? SDL_FALSE : SDL_TRUE;
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SDL_PauseAudioDevice(audio_device, paused);
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}
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break;
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}
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case SDL_DROPFILE: {
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if (audio_device) {
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SDL_CloseAudioDevice(audio_device);
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audio_device = 0;
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}
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SDL_FreeWAV(wavbuf);
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wavbuf = NULL;
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wavlen = 0;
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if (SDL_LoadWAV(e.drop.file, &wavspec, &wavbuf, &wavlen) == NULL) {
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SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't load wav file!", SDL_GetError(), window);
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}
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audio_device = SDL_OpenAudioDevice(NULL, 0, &wavspec, NULL, 0);
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if (audio_device == 0) {
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SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't load audio device!", SDL_GetError(), window);
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SDL_free(wavbuf);
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wavbuf = NULL;
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wavlen = 0;
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} else {
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SDL_QueueAudio(audio_device, wavbuf, wavlen);
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SDL_PauseAudioDevice(audio_device, 0);
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}
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SDL_free(e.drop.file);
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break;
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}
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}
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}
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SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
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SDL_RenderClear(renderer);
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SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
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SDL_RenderFillRect(renderer, &rewind_rect);
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SDL_RenderFillRect(renderer, &pause_rect);
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SDL_RenderPresent(renderer);
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}
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SDL_FreeWAV(wavbuf);
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SDL_CloseAudioDevice(audio_device);
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SDL_DestroyRenderer(renderer);
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SDL_DestroyWindow(window);
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SDL_Quit();
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return 0;
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}
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