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Wake up sleeping window #734

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Wake up sleeping window #734

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cbf3fd5
wake up even processing loop on WM_CLOSE
mmozeiko Feb 12, 2026
a02fd45
use W not A window message functions
mmozeiko Feb 12, 2026
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11 changes: 6 additions & 5 deletions src/os/gfx/win32/os_gfx_win32.c
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Original file line number Diff line number Diff line change
Expand Up @@ -375,6 +375,7 @@ os_w32_wnd_proc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
case WM_CLOSE:
{
os_w32_push_event(OS_EventKind_WindowClose, window);
os_send_wakeup_event();
}break;

case WM_LBUTTONUP:
Expand Down Expand Up @@ -1489,7 +1490,7 @@ os_dpi_from_monitor(OS_Handle monitor)
internal void
os_send_wakeup_event(void)
{
PostThreadMessageA(os_w32_gfx_state->gfx_thread_tid, 0x401, 0, 0);
PostThreadMessageW(os_w32_gfx_state->gfx_thread_tid, 0x401, 0, 0);
}

internal OS_EventList
Expand All @@ -1498,13 +1499,13 @@ os_get_events(Arena *arena, B32 wait)
os_w32_event_arena = arena;
MemoryZeroStruct(&os_w32_event_list);
MSG msg = {0};
if(!wait || GetMessage(&msg, 0, 0, 0))
if(!wait || GetMessageW(&msg, 0, 0, 0))
{
B32 first_wait = wait;
for(;first_wait || PeekMessage(&msg, 0, 0, 0, PM_REMOVE); first_wait = 0)
for(;first_wait || PeekMessageW(&msg, 0, 0, 0, PM_REMOVE); first_wait = 0)
{
DispatchMessage(&msg);
TranslateMessage(&msg);
DispatchMessageW(&msg);
if(msg.message == WM_QUIT)
{
os_w32_push_event(OS_EventKind_WindowClose, 0);
Expand Down Expand Up @@ -1595,7 +1596,7 @@ hcursor = curs; }break;
{
if(hcursor != os_w32_gfx_state->hCursor)
{
PostMessage(0, WM_SETCURSOR, 0, 0);
PostMessageW(0, WM_SETCURSOR, 0, 0);
POINT p = {0};
GetCursorPos(&p);
SetCursorPos(p.x, p.y);
Expand Down