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Add support for setting mouse cursor on emscripten.

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Bartosz Taudul 2024-09-20 23:25:16 +02:00
parent 207605f93b
commit 8b9da2efba
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GPG Key ID: B7FE2008B7575DF3
1 changed files with 31 additions and 0 deletions
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31
profiler/src/BackendEmscripten.cpp
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@ -24,6 +24,7 @@ static EGLSurface s_eglSurf;
static float s_prevScale;
static int s_width, s_height;
static uint64_t s_time;
static const char* s_prevCursor = nullptr;
static ImGuiKey TranslateKeyCode( const char* code )
{
@ -272,6 +273,36 @@ void Backend::NewFrame( int& w, int& h )
ImGui_ImplOpenGL3_NewFrame();
ImGuiMouseCursor cursor = ImGui::GetMouseCursor();
const char* cursorName;
switch( cursor )
{
case ImGuiMouseCursor_None: cursorName = "none"; break;
case ImGuiMouseCursor_Arrow:
switch( s_isBusy() )
{
default:
case 0: cursorName = "default"; break;
case 1: cursorName = "progress"; break;
case 2: cursorName = "wait"; break;
}
break;
case ImGuiMouseCursor_TextInput: cursorName = "text"; break;
case ImGuiMouseCursor_ResizeAll: cursorName = "move"; break;
case ImGuiMouseCursor_ResizeNS: cursorName = "ns-resize"; break;
case ImGuiMouseCursor_ResizeEW: cursorName = "ew-resize"; break;
case ImGuiMouseCursor_ResizeNESW: cursorName = "nesw-resize"; break;
case ImGuiMouseCursor_ResizeNWSE: cursorName = "nwse-resize"; break;
case ImGuiMouseCursor_Hand: cursorName = "pointer"; break;
case ImGuiMouseCursor_NotAllowed: cursorName = "not-allowed"; break;
default: cursorName = "auto"; break;
};
if( s_prevCursor != cursorName )
{
s_prevCursor = cursorName;
EM_ASM_INT( { document.getElementById('canvas').style.cursor = UTF8ToString($0); }, cursorName );
}
uint64_t time = std::chrono::duration_cast<std::chrono::microseconds>( std::chrono::high_resolution_clock::now().time_since_epoch() ).count();
io.DeltaTime = std::min( 0.1f, ( time - s_time ) / 1000000.f );
s_time = time;