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Play-Media-Key fix in Explorer 1.1 #1040

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Oct 5, 2024
Merged

Play-Media-Key fix in Explorer 1.1 #1040

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78 changes: 23 additions & 55 deletions mods/lm-mediakey-explorer-fix.wh.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2,12 +2,11 @@
// @id lm-mediakey-explorer-fix
// @name Play-Media-Key fix in Explorer
// @description Fix the Media 'play' key being suppressed in Explorer when a file is selected.
// @version 1.0
// @version 1.1
// @author Mark Jansen
// @github https://github.com/learn-more
// @twitter https://twitter.com/learn_more
// @include explorer.exe
// @compilerOptions -luuid -lole32
// ==/WindhawkMod==

// ==WindhawkModReadme==
Expand All @@ -18,11 +17,11 @@ the play event never reaches a media player like Spotify.
This mod makes sure that the play event is not sent to the file, but to the media player instead.
*/
// ==/WindhawkModReadme==
#include <shlobj.h>
#include <windhawk_utils.h>


WNDPROC pSHELLDLL_DefViewProc = NULL;

WNDPROC pSHELLDLL_DefViewProc = NULL;
LRESULT CALLBACK SHELLDLL_DefViewProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
if (uMsg == WM_APPCOMMAND && GET_APPCOMMAND_LPARAM(lParam) == APPCOMMAND_MEDIA_PLAY_PAUSE)
Expand All @@ -33,6 +32,22 @@ LRESULT CALLBACK SHELLDLL_DefViewProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARA
return pSHELLDLL_DefViewProc(hWnd, uMsg, wParam, lParam);
}

#define IS_ATOM(x) (((ULONG_PTR)(x) > 0x0) && ((ULONG_PTR)(x) < 0x10000))
static ATOM (WINAPI *pSHELL32_RegisterClassW) (CONST WNDCLASSW *lpWndClass) = 0;
ATOM WINAPI SHELL32_RegisterClassW (CONST WNDCLASSW *lpWndClass)
{
if (pSHELLDLL_DefViewProc == NULL &&
lpWndClass &&
!IS_ATOM(lpWndClass->lpszClassName) &&
!wcsicmp(lpWndClass->lpszClassName, L"SHELLDLL_DefView"))
{
Wh_Log(L"Got SHELLDLL_DefView, hooking it!");
Wh_SetFunctionHook((VOID*)lpWndClass->lpfnWndProc, (void*)SHELLDLL_DefViewProc, (void**)&pSHELLDLL_DefViewProc);
Wh_ApplyHookOperations();
}
return pSHELL32_RegisterClassW(lpWndClass);
}


BOOL Wh_ModInit()
{
Expand All @@ -41,60 +56,13 @@ BOOL Wh_ModInit()
BOOL bRet;
if (!(bRet = GetClassInfoW(GetModuleHandleW(L"shell32.dll"), L"SHELLDLL_DefView", &SHELLDLL_DefView)))
{
Wh_Log(L"SHELLDLL_DefView not available yet, trying to register it..");
// Initialize COM and open an apartment
HRESULT hrInit = CoInitialize(NULL);
if (SUCCEEDED(hrInit) || hrInit == RPC_E_CHANGED_MODE)
{
IExplorerBrowser* pExplorerBrowser;
// Create a browser object
HRESULT hr = SHCoCreateInstance(NULL, &CLSID_ExplorerBrowser, NULL, IID_PPV_ARGS(&pExplorerBrowser));
if (SUCCEEDED(hr))
{
RECT rc = {};
FOLDERSETTINGS fs = { FVM_DETAILS };
hr = pExplorerBrowser->Initialize(GetDesktopWindow(), &rc, &fs);
if (SUCCEEDED(hr))
{
ITEMIDLIST desktop = {};
// Browsing to a folder will create the view
hr = pExplorerBrowser->BrowseToIDList(&desktop, SBSP_ABSOLUTE);
if (SUCCEEDED(hr))
{
// Now the class should be registered!
bRet = GetClassInfoW(GetModuleHandleW(L"shell32.dll"), L"SHELLDLL_DefView", &SHELLDLL_DefView);
}
else
{
Wh_Log(L"BrowseToIDList failed with 0x%p", hr);
}
}
else
{
Wh_Log(L"Initialize failed with 0x%p", hr);
}
pExplorerBrowser->Destroy();
pExplorerBrowser->Release();
}
else
{
Wh_Log(L"SHCoCreateInstance failed with 0x%p", hr);
}
if (hrInit != RPC_E_CHANGED_MODE)
{
CoUninitialize();
}
}
else
{
Wh_Log(L"SHCoCreateInstance failed with 0x%p", hrInit);
}
Wh_Log(L"SHELLDLL_DefView not available yet, hooking SHELL32!RegisterClassW instead");
WindhawkUtils::Wh_SetFunctionHookT(RegisterClassW, SHELL32_RegisterClassW, &pSHELL32_RegisterClassW);
}

if (bRet)
else
{
Wh_Log(L"Hook WndProc");
Wh_SetFunctionHook((VOID*)SHELLDLL_DefView.lpfnWndProc, (void*)SHELLDLL_DefViewProc, (void**)&pSHELLDLL_DefViewProc);
WindhawkUtils::Wh_SetFunctionHookT(SHELLDLL_DefView.lpfnWndProc, SHELLDLL_DefViewProc, &pSHELLDLL_DefViewProc);
}

return TRUE;
Expand Down