winamp/Src/Wasabi/api/wnd/wndclass/foreignwnd.cpp

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2024-09-24 14:54:57 +02:00
#include "precomp.h"
#include "foreignwnd.h"
PtrListQuickSorted<ForeignWndProc, ForeignWndProcComparator> ForeignWnd::foreignwndprocs;
LRESULT CALLBACK foreignWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
ForeignWndProc *wp = ForeignWnd::foreignwndprocs.findItem((const wchar_t *)hwnd);
if (wp)
{
if (uMsg == WM_SHOWWINDOW) // more ?
wp->wnd->wndProc(hwnd, uMsg, wParam, lParam);
return CallWindowProc(wp->oldWindowProc, hwnd, uMsg, wParam, lParam);
}
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
ForeignWnd::ForeignWnd(OSWINDOWHANDLE wndhandle, OSMODULEHANDLE module, int subclass)
{
thishwnd = wndhandle;
setOSModuleHandle(module);
#ifdef EXPERIMENTAL_INDEPENDENT_AOT
DebugString("ForeignWnd::ForeignWnd(OSWINDOWHANDLE wndhandle): There might be problems with GWL_USERDATA assumptions when EXPERIMENTAL_INDEPENDENT_AOT is on, lone should audit\n");
#endif
// access protected basewnd member
hwnd = wndhandle;
setForeignWnd(1);
if (subclass)
{
oldWindowProc = (WNDPROC) GetWindowLongPtrW(wndhandle, GWLP_WNDPROC);
wndprocentry = new ForeignWndProc;
wndprocentry->wnd = this;
wndprocentry->hwnd = thishwnd;
wndprocentry->oldWindowProc = oldWindowProc;
foreignwndprocs.addItem(wndprocentry);
SetWindowLongPtrW(thishwnd, GWLP_WNDPROC, (LONG_PTR)foreignWindowProc);
}
else
{
oldWindowProc = NULL;
wndprocentry = NULL;
}
}
ForeignWnd::~ForeignWnd()
{
if (wndprocentry && oldWindowProc)
{
foreignwndprocs.removeItem(wndprocentry);
delete wndprocentry;
wndprocentry = NULL;
SetWindowLongPtrW(thishwnd, GWLP_WNDPROC, (LONG_PTR)oldWindowProc);
oldWindowProc = NULL;
}
}