examples: Use SDL_Log() instead of message boxes for errors.

Fixes #11094.

examples/audio/01-simple-playback/simple-playback.c

@@ -22,13 +22,13 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     SDL_AudioSpec spec;
 
     if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     /* we don't _need_ a window for audio-only things but it's good policy to have one. */
     if (!SDL_CreateWindowAndRenderer("examples/audio/simple-playback", 640, 480, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -40,7 +40,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     spec.freq = 8000;
     stream = SDL_OpenAudioDeviceStream(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &spec, NULL, NULL);
     if (!stream) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create audio stream!", SDL_GetError(), window);
+        SDL_Log("Couldn't create audio stream: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/audio/02-simple-playback-callback/simple-playback-callback.c

@@ -54,13 +54,13 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     SDL_AudioSpec spec;
 
     if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     /* we don't _need_ a window for audio-only things but it's good policy to have one. */
     if (!SDL_CreateWindowAndRenderer("examples/audio/simple-playback-callback", 640, 480, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -72,7 +72,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     spec.freq = 8000;
     stream = SDL_OpenAudioDeviceStream(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &spec, FeedTheAudioStreamMore, NULL);
     if (!stream) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create audio stream!", SDL_GetError(), window);
+        SDL_Log("Couldn't create audio stream: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/audio/03-load-wav/load-wav.c

@@ -32,20 +32,20 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     char *wav_path = NULL;
 
     if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     /* we don't _need_ a window for audio-only things but it's good policy to have one. */
     if (!SDL_CreateWindowAndRenderer("examples/audio/load-wav", 640, 480, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     /* Load the .wav file from wherever the app is being run from. */
     SDL_asprintf(&wav_path, "%ssample.wav", SDL_GetBasePath());  /* allocate a string of the full file path */
     if (!SDL_LoadWAV(wav_path, &spec, &wav_data, &wav_data_len)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't load .wav file!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't load .wav file: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -54,7 +54,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     /* Create our audio stream in the same format as the .wav file. It'll convert to what the audio hardware wants. */
     stream = SDL_OpenAudioDeviceStream(SDL_AUDIO_DEVICE_DEFAULT_PLAYBACK, &spec, NULL, NULL);
     if (!stream) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create audio stream!", SDL_GetError(), window);
+        SDL_Log("Couldn't create audio stream: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/camera/01-read-and-draw/read-and-draw.c

@@ -27,28 +27,28 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     int devcount = 0;
 
     if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_CAMERA)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/camera/read-and-draw", 640, 480, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     devices = SDL_GetCameras(&devcount);
     if (devices == NULL) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't enumerate camera devices!", SDL_GetError(), window);
+        SDL_Log("Couldn't enumerate camera devices: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     } else if (devcount == 0) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't find any camera devices!", "Please connect a camera and try again.", window);
+        SDL_Log("Couldn't find any camera devices! Please connect a camera and try again.");
         return SDL_APP_FAILURE;
     }
 
     camera = SDL_OpenCamera(devices[0], NULL);  // just take the first thing we see in any format it wants.
     SDL_free(devices);
     if (camera == NULL) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't open camera!", SDL_GetError(), window);
+        SDL_Log("Couldn't open camera: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -64,7 +64,6 @@ SDL_AppResult SDL_AppEvent(void *appstate, SDL_Event *event)
         SDL_Log("Camera use approved by user!");
     } else if (event->type == SDL_EVENT_CAMERA_DEVICE_DENIED) {
         SDL_Log("Camera use denied by user!");
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Camera permission denied!", "User denied access to the camera!", window);
         return SDL_APP_FAILURE;
     }
     return SDL_APP_CONTINUE;  /* carry on with the program! */

examples/pen/01-drawing-lines/drawing-lines.c

@@ -24,12 +24,12 @@ static float previous_touch_y = -1.0f;
 SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 {
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/pen/drawing-lines", 640, 480, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -37,7 +37,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
        Instead rendering a frame for us is a single texture draw. */
     render_target = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, 640, 480);
     if (!render_target) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create render target!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create render target: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/01-clear/clear.c

@@ -18,12 +18,12 @@ static SDL_Renderer *renderer = NULL;
 SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 {
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/clear", 640, 480, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/02-primitives/primitives.c

@@ -20,12 +20,12 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     int i;
 
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/primitives", 640, 480, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/03-lines/lines.c

@@ -17,12 +17,12 @@ static SDL_Renderer *renderer = NULL;
 SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 {
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/lines", 640, 480, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/04-points/points.c

@@ -37,12 +37,12 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     int i;
 
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/points", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/05-rectangles/rectangles.c

@@ -20,12 +20,12 @@ static SDL_Renderer *renderer = NULL;
 SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 {
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/rectangles", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/06-textures/textures.c

@@ -26,12 +26,12 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     char *bmp_path = NULL;
 
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/textures", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -44,7 +44,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath());  /* allocate a string of the full file path */
     surface = SDL_LoadBMP(bmp_path);
     if (!surface) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't load bitmap!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -55,7 +55,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 
     texture = SDL_CreateTextureFromSurface(renderer, surface);
     if (!texture) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create static texture!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create static texture: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/07-streaming-textures/streaming-textures.c

@@ -23,18 +23,18 @@ static SDL_Texture *texture = NULL;
 SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 {
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/streaming-textures", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STREAMING, TEXTURE_SIZE, TEXTURE_SIZE);
     if (!texture) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create streaming texture!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create streaming texture: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/08-rotating-textures/rotating-textures.c

@@ -26,12 +26,12 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     char *bmp_path = NULL;
 
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/rotating-textures", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -44,7 +44,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath());  /* allocate a string of the full file path */
     surface = SDL_LoadBMP(bmp_path);
     if (!surface) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't load bitmap!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -55,7 +55,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 
     texture = SDL_CreateTextureFromSurface(renderer, surface);
     if (!texture) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create static texture!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create static texture: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/09-scaling-textures/scaling-textures.c

@@ -26,12 +26,12 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     char *bmp_path = NULL;
 
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/scaling-textures", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -44,7 +44,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath());  /* allocate a string of the full file path */
     surface = SDL_LoadBMP(bmp_path);
     if (!surface) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't load bitmap!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -55,7 +55,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 
     texture = SDL_CreateTextureFromSurface(renderer, surface);
     if (!texture) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create static texture!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create static texture: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/10-geometry/geometry.c

@@ -26,12 +26,12 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     char *bmp_path = NULL;
 
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/geometry", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -44,7 +44,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath());  /* allocate a string of the full file path */
     surface = SDL_LoadBMP(bmp_path);
     if (!surface) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't load bitmap!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -55,7 +55,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 
     texture = SDL_CreateTextureFromSurface(renderer, surface);
     if (!texture) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create static texture!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create static texture: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/11-color-mods/color-mods.c

@@ -26,12 +26,12 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     char *bmp_path = NULL;
 
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/color-mods", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -44,7 +44,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath());  /* allocate a string of the full file path */
     surface = SDL_LoadBMP(bmp_path);
     if (!surface) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't load bitmap!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -55,7 +55,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 
     texture = SDL_CreateTextureFromSurface(renderer, surface);
     if (!texture) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create static texture!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create static texture: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/14-viewport/viewport.c

@@ -26,12 +26,12 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     char *bmp_path = NULL;
 
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/viewport", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -44,7 +44,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath());  /* allocate a string of the full file path */
     surface = SDL_LoadBMP(bmp_path);
     if (!surface) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't load bitmap!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -55,7 +55,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 
     texture = SDL_CreateTextureFromSurface(renderer, surface);
     if (!texture) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create static texture!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create static texture: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/15-cliprect/cliprect.c

@@ -33,12 +33,12 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     char *bmp_path = NULL;
 
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/cliprect", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -55,7 +55,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath());  /* allocate a string of the full file path */
     surface = SDL_LoadBMP(bmp_path);
     if (!surface) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't load bitmap!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -63,7 +63,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 
     texture = SDL_CreateTextureFromSurface(renderer, surface);
     if (!texture) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create static texture!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create static texture: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 

examples/renderer/17-read-pixels/read-pixels.c

@@ -35,12 +35,12 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     char *bmp_path = NULL;
 
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/renderer/read-pixels", WINDOW_WIDTH, WINDOW_HEIGHT, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -53,7 +53,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     SDL_asprintf(&bmp_path, "%ssample.bmp", SDL_GetBasePath());  /* allocate a string of the full file path */
     surface = SDL_LoadBMP(bmp_path);
     if (!surface) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't load bitmap!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't load bitmap: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -64,7 +64,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 
     texture = SDL_CreateTextureFromSurface(renderer, surface);
     if (!texture) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create static texture!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create static texture: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
@@ -126,7 +126,7 @@ SDL_AppResult SDL_AppIterate(void *appstate)
             SDL_DestroyTexture(converted_texture);
             converted_texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_STREAMING, surface->w, surface->h);
             if (!converted_texture) {
-                SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't (re)create conversion texture!", SDL_GetError(), NULL);
+                SDL_Log("Couldn't (re)create conversion texture: %s", SDL_GetError());
                 return SDL_APP_FAILURE;
             }
             converted_texture_width = surface->w;

examples/template.c

@@ -17,12 +17,12 @@ static SDL_Renderer *renderer = NULL;
 SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 {
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't initialize SDL!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't initialize SDL: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
 
     if (!SDL_CreateWindowAndRenderer("examples/CATEGORY/NAME", 640, 480, 0, &window, &renderer)) {
-        SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, "Couldn't create window/renderer!", SDL_GetError(), NULL);
+        SDL_Log("Couldn't create window/renderer: %s", SDL_GetError());
         return SDL_APP_FAILURE;
     }
     return SDL_APP_CONTINUE;  /* carry on with the program! */