mirror of
https://github.com/ocornut/imgui.git
synced 2024-11-23 23:31:08 +01:00
Examples: Fix for Emscripten. GLFW+WGPU: rework examples main loop to handle minimization. (#7844)
Amend8874787
,71ee2ce
Amendea39841f
(emscripten_mainloop_stub.h)
This commit is contained in:
parent
71ee2ce367
commit
fd57b252ac
@ -151,6 +151,11 @@ int main(int, char**)
|
||||
// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data.
|
||||
// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
|
||||
glfwPollEvents();
|
||||
if (glfwGetWindowAttrib(window, GLFW_ICONIFIED) != 0)
|
||||
{
|
||||
ImGui_ImplGlfw_Sleep(10);
|
||||
continue;
|
||||
}
|
||||
|
||||
// React to changes in screen size
|
||||
int width, height;
|
||||
|
@ -167,6 +167,9 @@ int main(int, char**)
|
||||
ImGui_ImplSDLRenderer3_RenderDrawData(ImGui::GetDrawData(), renderer);
|
||||
SDL_RenderPresent(renderer);
|
||||
}
|
||||
#ifdef __EMSCRIPTEN__
|
||||
EMSCRIPTEN_MAINLOOP_END;
|
||||
#endif
|
||||
|
||||
// Cleanup
|
||||
ImGui_ImplSDLRenderer3_Shutdown();
|
||||
|
@ -17,20 +17,21 @@
|
||||
// - So the next logical step was to refactor all examples to follow that layout of using a "main loop" function.
|
||||
// This worked, but it made us lose all the nice things we had...
|
||||
|
||||
// Since only about 3 examples really need to run with Emscripten, here's our solution:
|
||||
// Since only about 4 examples really need to run with Emscripten, here's our solution:
|
||||
// - Use some weird macros and capturing lambda to turn a loop in main() into a function.
|
||||
// - Hide all that crap in this file so it doesn't make our examples unusually ugly.
|
||||
// As a stance and principle of Dear ImGui development we don't use C++ headers and we don't
|
||||
// want to suggest to the newcomer that we would ever use C++ headers as this would affect
|
||||
// the initial judgment of many of our target audience.
|
||||
// - Technique is based on this idea: https://github.com/ocornut/imgui/pull/2492/
|
||||
// - The do { } while (0) is to allow our code calling continue in the main loop.
|
||||
#ifdef __EMSCRIPTEN__
|
||||
#include <emscripten.h>
|
||||
#include <functional>
|
||||
static std::function<void()> MainLoopForEmscriptenP;
|
||||
static void MainLoopForEmscripten() { MainLoopForEmscriptenP(); }
|
||||
#define EMSCRIPTEN_MAINLOOP_BEGIN MainLoopForEmscriptenP = [&]()
|
||||
#define EMSCRIPTEN_MAINLOOP_END ; emscripten_set_main_loop(MainLoopForEmscripten, 0, true)
|
||||
#define EMSCRIPTEN_MAINLOOP_BEGIN MainLoopForEmscriptenP = [&]() { do
|
||||
#define EMSCRIPTEN_MAINLOOP_END while (0); }; emscripten_set_main_loop(MainLoopForEmscripten, 0, true)
|
||||
#else
|
||||
#define EMSCRIPTEN_MAINLOOP_BEGIN
|
||||
#define EMSCRIPTEN_MAINLOOP_END
|
||||
|
Loading…
Reference in New Issue
Block a user