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#include "alfpriv.h"
void
ALF_RegisterSpacerClass(ALFAPP app)
{
WNDCLASS cls;
ZeroMemory(&cls, sizeof(cls));
TCHAR classNameBuf[256];
ALF_BuildRandomClassName(TEXT("ALFSpacer"), classNameBuf, 256);
cls.hInstance = app->hInstance;
cls.hCursor = LoadCursor(NULL, (LPTSTR)IDC_ARROW);
if (LOBYTE(LOWORD(GetVersion())) >= 4) {
cls.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1);
} else {
// NT 3.x has white dialog backgrounds
cls.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
}
cls.lpszClassName = classNameBuf;
cls.cbWndExtra = sizeof(void*);
cls.lpfnWndProc = DefWindowProc;
ATOM classatom = RegisterClass(&cls);
if (!classatom)
MessageBox(NULL, TEXT("FATAL: Could not register spacer class"), NULL, MB_OK);
app->spacerClass = MAKEINTATOM(classatom);
}
HWND
ALF_AddSpacer(HWND parent, WORD id, UINT x, UINT y, UINT cptWidth, UINT cptHeight, DWORD layoutFlags)
{
ALFAPP app = ALF_ApplicationFromWindow(parent);
HWND hwndSpacer = CreateWindowEx(0,
app->spacerClass,
TEXT(""),
WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN,
0, 0, 0, 0,
parent,
(HMENU)(int)id,
(HINSTANCE)GetWindowLongPtr(parent, GWLP_HINSTANCE),
(void*)app);
ALFWidgetLayoutParams p;
ZeroMemory(&p, sizeof(p));
p.hwnd = hwndSpacer;
p.x = x;
p.y = y;
p.width = cptWidth;
p.height = cptHeight;
p.flags = layoutFlags;
ALF_AddWidgetEx(parent, &p);
return hwndSpacer;
}
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