Examples: SDL: changed the signature of ImGui_ImplSDL2_ProcessEvent()…

… to use a const SDL_Event*. (#2187)

docs/CHANGELOG.txt

@@ -37,6 +37,8 @@ Breaking Changes:
 
 Other Changes:
 
+- Examples: SDL: changed the signature of ImGui_ImplSDL2_ProcessEvent() to use a const SDL_Event*. (#2187)
+
 
 -----------------------------------------------------------------------
  VERSION 1.66 (Released 2018-11-22)

examples/imgui_impl_sdl.cpp

@@ -16,6 +16,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
+//  2018-11-14: Changed the signature of ImGui_ImplSDL2_ProcessEvent() to take a 'const SDL_Event*'.
 //  2018-08-01: Inputs: Workaround for Emscripten which doesn't seem to handle focus related calls.
 //  2018-06-29: Inputs: Added support for the ImGuiMouseCursor_Hand cursor.
 //  2018-06-08: Misc: Extracted imgui_impl_sdl.cpp/.h away from the old combined SDL2+OpenGL/Vulkan examples.
@@ -72,7 +73,8 @@ static void ImGui_ImplSDL2_SetClipboardText(void*, const char* text)
 // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application.
 // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application.
 // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
-bool ImGui_ImplSDL2_ProcessEvent(SDL_Event* event)
+// If you have multiple SDL events and some of them are not meant to be used by dear imgui, you may need to filter events based on their windowID field.
+bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event)
 {
     ImGuiIO& io = ImGui::GetIO();
     switch (event->type)

examples/imgui_impl_sdl.h

@@ -23,4 +23,4 @@ IMGUI_IMPL_API bool     ImGui_ImplSDL2_InitForOpenGL(SDL_Window* window, void* s
 IMGUI_IMPL_API bool     ImGui_ImplSDL2_InitForVulkan(SDL_Window* window);
 IMGUI_IMPL_API void     ImGui_ImplSDL2_Shutdown();
 IMGUI_IMPL_API void     ImGui_ImplSDL2_NewFrame(SDL_Window* window);
-IMGUI_IMPL_API bool     ImGui_ImplSDL2_ProcessEvent(SDL_Event* event);
+IMGUI_IMPL_API bool     ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event);