Merge pull request #115 from cschreib/sdl_sigint

Fix SDL preventing Ctrl+C

Author: cschreib

examples/opengl-sdl-emscripten/main.cpp

@@ -114,7 +114,10 @@ int main(int argc, char* argv[]) {
         const std::size_t window_width  = 800u;
         const std::size_t window_height = 600u;
 
-        if (SDL_Init(SDL_INIT_VIDEO) != 0) {
+        // Prevent SDL from capturing Ctrl+C SIGINT
+        SDL_SetHint(SDL_HINT_NO_SIGNAL_HANDLERS, "1");
+
+        if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) != 0) {
             throw gui::exception(
                 "SDL_Init", "Could not initialise SDL: " + std::string(SDL_GetError()) + ".");
         }

examples/opengl-sdl/main.cpp

@@ -54,7 +54,10 @@ int main(int argc, char* argv[]) {
         const std::size_t window_width  = 800u;
         const std::size_t window_height = 600u;
 
-        if (SDL_Init(SDL_INIT_VIDEO) != 0) {
+        // Prevent SDL from capturing Ctrl+C SIGINT
+        SDL_SetHint(SDL_HINT_NO_SIGNAL_HANDLERS, "1");
+
+        if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) != 0) {
             throw gui::exception(
                 "SDL_Init", "Could not initialise SDL: " + std::string(SDL_GetError()) + ".");
         }

examples/sdl-emscripten/main.cpp

@@ -97,7 +97,10 @@ int main(int argc, char* argv[]) {
         const std::size_t window_width  = 800u;
         const std::size_t window_height = 600u;
 
-        if (SDL_Init(SDL_INIT_VIDEO) != 0) {
+        // Prevent SDL from capturing Ctrl+C SIGINT
+        SDL_SetHint(SDL_HINT_NO_SIGNAL_HANDLERS, "1");
+
+        if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) != 0) {
             throw gui::exception(
                 "SDL_Init", "Could not initialise SDL: " + std::string(SDL_GetError()) + ".");
         }

examples/sdl/main.cpp

@@ -35,7 +35,10 @@ int main(int argc, char* argv[]) {
         const std::size_t window_width  = 800u;
         const std::size_t window_height = 600u;
 
-        if (SDL_Init(SDL_INIT_VIDEO) != 0) {
+        // Prevent SDL from capturing Ctrl+C SIGINT
+        SDL_SetHint(SDL_HINT_NO_SIGNAL_HANDLERS, "1");
+
+        if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) != 0) {
             throw gui::exception(
                 "SDL_Init", "Could not initialise SDL: " + std::string(SDL_GetError()) + ".");
         }

test/main.cpp

@@ -276,7 +276,10 @@ int main(int /*argc*/, char* /*argv*/[]) {
 #if defined(GLSFML_GUI)
         sf::Window window;
 #elif defined(SDL_GUI) || defined(GLSDL_GUI)
-        if (SDL_Init(SDL_INIT_VIDEO) != 0) {
+        // Prevent SDL from capturing Ctrl+C SIGINT
+        SDL_SetHint(SDL_HINT_NO_SIGNAL_HANDLERS, "1");
+
+        if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) != 0) {
             throw gui::exception(
                 "SDL_Init", "Could not initialise SDL: " + std::string(SDL_GetError()) + ".");
         }