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handle blur and focus events correctly, focusin and focusout aren't enough

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SlowRiot 2024-12-06 17:22:46 +00:00
parent 60984d1a34
commit 9fd9bf9f50
1 changed files with 22 additions and 0 deletions
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22
backends/imgui_impl_emscripten.cpp
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@ -482,6 +482,28 @@ void ImGui_ImplEmscripten_Init() {
return true; // the event was consumed
}
);
emscripten_set_blur_callback(
EMSCRIPTEN_EVENT_TARGET_WINDOW, // target
nullptr, // userData
false, // useCapture
[](int /*event_type*/, EmscriptenFocusEvent const */*event*/, void */*data*/) { // event_type == EMSCRIPTEN_EVENT_BLUR
auto &imgui_io{ImGui::GetIO()};
imgui_io.AddFocusEvent(false);
imgui_io.ClearInputKeys(); // clear pending input keys on focus gain
return true; // the event was consumed
}
);
emscripten_set_focus_callback(
EMSCRIPTEN_EVENT_TARGET_WINDOW, // target
nullptr, // userData
false, // useCapture
[](int /*event_type*/, EmscriptenFocusEvent const */*event*/, void */*data*/) { // event_type == EMSCRIPTEN_EVENT_FOCUS
auto &imgui_io{ImGui::GetIO()};
imgui_io.AddFocusEvent(true);
imgui_io.ClearInputKeys(); // clear pending input keys on focus loss - for example if you press tab to cycle to another part of the UI
return true; // the event was consumed
}
);
emscripten_set_focusin_callback(
EMSCRIPTEN_EVENT_TARGET_WINDOW, // target
nullptr, // userData