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#include "alfpriv.h"
TCHAR _alf_controlClass[28] = {0};
static LRESULT CALLBACK
ALF_Control_InitialWindowProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
if (msg == WM_NCCREATE) {
ALFControlCreateParams *params = (ALFControlCreateParams *)((CREATESTRUCT *)lparam)->lpCreateParams;
SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)params->windowProc);
return params->windowProc(hwnd, msg, wparam, lparam);
}
return DefWindowProc(hwnd, msg, wparam, lparam);
}
void
ALF_RegisterControlClass(void)
{
WNDCLASS cls;
ZeroMemory(&cls, sizeof(cls));
wsprintf(_alf_controlClass, TEXT("ALFControl.%p"), (ULONG_PTR)&_alf_controlClass[0]);
cls.style = CS_DBLCLKS;
cls.hInstance = ALF_HINSTANCE;
cls.hCursor = LoadCursor(NULL, (LPTSTR)IDC_ARROW);
cls.lpszClassName = _alf_controlClass;
cls.cbWndExtra = sizeof(void*);
cls.lpfnWndProc = ALF_Control_InitialWindowProc;
ATOM classatom = RegisterClass(&cls);
if (!classatom)
MessageBox(NULL, TEXT("FATAL: Could not register control class"), NULL, MB_OK);
}
HWND
ALF_CreateControlWindow(DWORD exstyle, const TCHAR *text, DWORD style,
int x, int y, int w, int h, HWND parent, HMENU hmenu,
WNDPROC windowProc, void *param)
{
ALFControlCreateParams p = { windowProc, param };
return CreateWindowEx(exstyle,
_alf_controlClass,
text,
style,
x, y, w, h,
parent,
hmenu,
ALF_HINSTANCE,
&p);
}
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