mirror of
https://github.com/reactos/reactos.git
synced 2024-10-29 19:13:58 +00:00
97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/*
|
|
* PROJECT: ReactOS Shell
|
|
* LICENSE: GPL - See COPYING in the top level directory
|
|
* PURPOSE: Misc shell helper functions
|
|
* COPYRIGHT: Copyright 2015 Giannis Adamopoulos
|
|
*/
|
|
|
|
#include "precomp.h"
|
|
|
|
/* http://undoc.airesoft.co.uk/shlwapi.dll/SHForwardContextMenuMsg.php */
|
|
HRESULT WINAPI SHForwardContextMenuMsg(IUnknown* pUnk, UINT uMsg, WPARAM wParam,
|
|
LPARAM lParam, LRESULT* pResult, BOOL useIContextMenu2)
|
|
{
|
|
HRESULT hr;
|
|
IContextMenu3* pcmenu3;
|
|
IContextMenu2* pcmenu2;
|
|
|
|
/* First try to use the IContextMenu3 interface */
|
|
hr = IUnknown_QueryInterface(pUnk, &IID_IContextMenu3, (void**)&pcmenu3);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = IContextMenu3_HandleMenuMsg2(pcmenu3, uMsg, wParam, lParam, pResult);
|
|
IContextMenu3_Release(pcmenu3);
|
|
return hr;
|
|
}
|
|
|
|
/* Return failure if we can't use the IContextMenu2 interface */
|
|
if(!useIContextMenu2)
|
|
return hr;
|
|
|
|
/* Now try to use the IContextMenu2 interface */
|
|
hr = IUnknown_QueryInterface(pUnk, &IID_IContextMenu2, (void**)&pcmenu2);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
hr = IContextMenu2_HandleMenuMsg(pcmenu2, uMsg, wParam, lParam);
|
|
IContextMenu2_Release(pcmenu2);
|
|
return hr;
|
|
}
|
|
|
|
/* http://undoc.airesoft.co.uk/shlwapi.dll/SHAreIconsEqual.php */
|
|
|
|
BOOL WINAPI SHAreIconsEqual(HICON hIcon1, HICON hIcon2)
|
|
{
|
|
ICONINFO iconInfo1, iconInfo2;
|
|
BITMAP bm1, bm2;
|
|
BOOL bSame = FALSE;
|
|
|
|
if (!hIcon1 || !hIcon2)
|
|
return FALSE;
|
|
|
|
if (!GetIconInfo(hIcon1, &iconInfo1))
|
|
return FALSE;
|
|
|
|
if (!GetIconInfo(hIcon2, &iconInfo2))
|
|
{
|
|
DeleteObject(iconInfo1.hbmColor);
|
|
DeleteObject(iconInfo1.hbmMask);
|
|
return FALSE;
|
|
}
|
|
|
|
GetObjectW(iconInfo1.hbmColor, sizeof(bm1), &bm1);
|
|
GetObjectW(iconInfo2.hbmColor, sizeof(bm2), &bm2);
|
|
|
|
if (bm1.bmWidth == bm2.bmWidth && bm1.bmHeight == bm2.bmHeight)
|
|
{
|
|
BITMAPINFO bmi = { { sizeof(bmi), bm1.bmWidth, bm1.bmHeight, 1, 32 } };
|
|
HDC hdc = GetDC(0);
|
|
SIZE_T size = bm1.bmWidth * bm1.bmHeight * 4;
|
|
BYTE *data1, *data2;
|
|
|
|
data1 = HeapAlloc(GetProcessHeap(), 0, size);
|
|
data2 = HeapAlloc(GetProcessHeap(), 0, size);
|
|
|
|
if (data1 && data2)
|
|
{
|
|
if (GetDIBits(hdc, iconInfo1.hbmColor, 0, bm1.bmHeight, data1, &bmi, DIB_RGB_COLORS) &&
|
|
GetDIBits(hdc, iconInfo2.hbmColor, 0, bm2.bmHeight, data2, &bmi, DIB_RGB_COLORS))
|
|
{
|
|
bSame = memcmp(data1, data2, size) == 0;
|
|
}
|
|
}
|
|
HeapFree(GetProcessHeap(), 0, data1);
|
|
HeapFree(GetProcessHeap(), 0, data2);
|
|
|
|
ReleaseDC(NULL, hdc);
|
|
}
|
|
|
|
DeleteObject(iconInfo1.hbmColor);
|
|
DeleteObject(iconInfo1.hbmMask);
|
|
|
|
DeleteObject(iconInfo2.hbmColor);
|
|
DeleteObject(iconInfo2.hbmMask);
|
|
|
|
return bSame;
|
|
}
|