46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
// 14 may 2015
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#include "uipriv_windows.hpp"
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// The utility window is a special window that performs certain tasks internal to libui.
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// TODO should it be message-only?
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#define utilWindowClass L"libui_utilWindowClass"
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HWND uiprivUtilWindow = NULL;
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static LRESULT CALLBACK utilWindowWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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void (*qf)(void *);
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switch (uMsg) {
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case uiprivUtilWindowMsgQueueMain:
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qf = (void (*)(void *)) wParam;
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(*qf)((void *) lParam);
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return 0;
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}
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return DefWindowProcW(hwnd, uMsg, wParam, lParam);
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}
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HRESULT uiprivInitUtilWindow(HICON hDefaultIcon, HCURSOR hDefaultCursor)
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{
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WNDCLASSW wc;
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HRESULT hr;
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ZeroMemory(&wc, sizeof (WNDCLASSW));
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wc.lpszClassName = utilWindowClass;
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wc.lpfnWndProc = utilWindowWndProc;
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wc.hInstance = uipriv_hInstance;
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wc.hIcon = hDefaultIcon;
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wc.hCursor = hDefaultCursor;
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wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
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hr = uiprivHrRegisterClassW(&wc);
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if (hr != S_OK)
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return hr;
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return uiprivHrCreateWindowExW(0,
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utilWindowClass, L"libui utility window",
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WS_OVERLAPPEDWINDOW,
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0, 0, 100, 100,
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NULL, NULL, uipriv_hInstance, NULL,
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&uiprivUtilWindow);
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}
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