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#include "main.h"
#include "./reflectmsg.h"
#include "./skinnedwnd.h"
#include "./skinnedmenu.h"
#include "./skinnedmenuthreadinfo.h"
BOOL CanReflect(UINT uMsg)
{
switch(uMsg)
{
case WM_DRAWITEM:
case WM_NOTIFY:
case WM_COMMAND:
case WM_CTLCOLORBTN:
case WM_CTLCOLOREDIT:
case WM_CTLCOLORLISTBOX:
case WM_CTLCOLORSCROLLBAR:
case WM_CTLCOLORSTATIC:
case WM_MEASUREITEM:
return TRUE;
}
return FALSE;
}
BOOL ReflectMessage(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL bDialog, LRESULT *pResult)
{
HWND hwndReflect = NULL;
switch(uMsg)
{
case WM_DRAWITEM:
hwndReflect = ((LPDRAWITEMSTRUCT)lParam)->hwndItem;
if (NULL != hwndReflect && ODT_MENU == ((LPDRAWITEMSTRUCT)lParam)->CtlType)
hwndReflect = SkinnedMenu::WindowFromHandle((HMENU)hwndReflect);
break;
case WM_NOTIFY:
hwndReflect = ((LPNMHDR)lParam)->hwndFrom;
break;
case WM_COMMAND:
case WM_CTLCOLORBTN:
case WM_CTLCOLOREDIT:
case WM_CTLCOLORLISTBOX:
case WM_CTLCOLORSCROLLBAR:
case WM_CTLCOLORSTATIC:
hwndReflect =(HWND)lParam;
break;
case WM_MEASUREITEM:
if (0 == wParam && ODT_MENU == ((MEASUREITEMSTRUCT*)lParam)->CtlType)
{
SkinnedMenuThreadInfo *threadInfo;
if (S_OK == SkinnedMenuThreadInfo::GetInstance(FALSE, &threadInfo))
{
hwndReflect = SkinnedMenu::WindowFromHandle(threadInfo->GetActiveMeasureMenu());
threadInfo->Release();
}
}
break;
}
// make sure that hwndReflect is a valid hwnd otherwise it can incorrectly lose valid messages
// when sent as custom version of normally valid ones ie faked wm_command messages where lparam is -1
if (NULL != hwndReflect &&
hwnd != hwndReflect &&
IsWindow(hwndReflect))
{
REFLECTPARAM rParam;
rParam.result = 0;
rParam.lParam = lParam;
rParam.hwndFrom = hwnd;
if (REFLECTMESSAGE(hwndReflect, uMsg, wParam, (LPARAM)&rParam))
{
*pResult = rParam.result;
if (bDialog)
{
switch(uMsg)
{
case WM_CTLCOLORBTN:
case WM_CTLCOLOREDIT:
case WM_CTLCOLORLISTBOX:
case WM_CTLCOLORSCROLLBAR:
case WM_CTLCOLORSTATIC:
return TRUE;
}
SetWindowLongPtrW(hwnd, DWLP_MSGRESULT, (LONGX86)(LONG_PTR)*pResult);
*pResult = TRUE;
}
return TRUE;
}
}
*pResult = 0;
return FALSE;
}
typedef struct __REFLECTORWND
{
BOOL bUnicode;
BOOL bDialog;
WNDPROC windowProc;
}REFLECTORWND;
static ATOM REFLECTOR = 0;
static LRESULT CALLBACK Reflector_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
HRESULT InstallReflector(HWND hwnd)
{
if (0 == REFLECTOR)
{
REFLECTOR = GlobalAddAtomW(L"WAREFLECTOR");
if (0 == REFLECTOR) return E_UNEXPECTED;
}
if (NULL == hwnd || !IsWindow(hwnd))
return E_INVALIDARG;
if (NULL != GetPropW(hwnd, (LPCWSTR)MAKEINTATOM(REFLECTOR)) ||
NULL != SkinnedWnd::GetFromHWND(hwnd))
return S_FALSE;
REFLECTORWND *prw = (REFLECTORWND*)calloc(1, sizeof(REFLECTORWND));
if (NULL == prw)
return E_OUTOFMEMORY;
ZeroMemory(prw, sizeof(REFLECTORWND));
prw->bUnicode = IsWindowUnicode(hwnd);
prw->windowProc = (WNDPROC)(LONG_PTR)SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONGX86)(LONG_PTR)Reflector_WindowProc);
if (NULL == prw->windowProc ||
!SetPropW(hwnd, (LPCWSTR)MAKEINTATOM(REFLECTOR), prw))
{
RemoveReflector(hwnd);
return E_FAIL;
}
return S_OK;
}
BOOL RemoveReflector(HWND hwnd)
{
if (!hwnd || !IsWindow(hwnd))
return FALSE;
REFLECTORWND *prw = (REFLECTORWND*)GetPropW(hwnd, (LPCWSTR)MAKEINTATOM(REFLECTOR));
RemovePropW(hwnd, (LPCWSTR)MAKEINTATOM(REFLECTOR));
if (NULL == prw)
return FALSE;
if (prw->windowProc)
SetWindowLongPtrW(hwnd, GWLP_WNDPROC, (LONGX86)(LONG_PTR)prw->windowProc);
free(prw);
return TRUE;
}
static LRESULT CALLBACK Reflector_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
REFLECTORWND *prw = (REFLECTORWND*)GetPropW(hwnd, (LPCWSTR)MAKEINTATOM(REFLECTOR));
if (NULL == prw || NULL == prw->windowProc)
{
return (IsWindowUnicode(hwnd)) ?
DefWindowProcW(hwnd, uMsg, wParam, lParam) :
DefWindowProcA(hwnd, uMsg, wParam, lParam);
}
if (WM_DESTROY == uMsg)
{
BOOL unicode = prw->bUnicode;
WNDPROC windowProc = prw->windowProc;
RemoveReflector(hwnd);
return (unicode) ?
CallWindowProcW(windowProc, hwnd, uMsg, wParam, lParam) :
CallWindowProcA(windowProc, hwnd, uMsg, wParam, lParam);
}
LRESULT result;
if (ReflectMessage(hwnd, uMsg, wParam, lParam, prw->bDialog, &result))
return result;
return (prw->bUnicode) ?
CallWindowProcW(prw->windowProc, hwnd, uMsg, wParam, lParam) :
CallWindowProcA(prw->windowProc, hwnd, uMsg, wParam, lParam);
}
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