Cool_Tools/ExplorerPatcher
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Support for setting system tray clock to display seconds

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This commit is contained in:
Valentin Radu 2021-10-16 02:48:36 +03:00
parent 8c8dab4bf3
commit 95399a0702
1 changed files with 63 additions and 0 deletions
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63
ExplorerPatcher/dllmain.c
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@ -1337,8 +1337,20 @@ INT64 winrt_Windows_Internal_Shell_implementation_MeetAndChatManager_OnMessageHo
INT64* CTrayInstance = (BYTE*)(GetWindowLongPtrW(hShellTray_Wnd, 0)); // -> CTray
void* ClockButtonInstance = (BYTE*)(GetWindowLongPtrW(hWnd, 0)); // -> ClockButton
// inspect CTray::v_WndProc, look for mentions of
// CTray::_HandlePowerStatus or patterns like **((_QWORD **)this + 110) + 184i64
const unsigned int TRAYUI_OFFSET_IN_CTRAY = 110;
// simply inspect vtable of TrayUI
const unsigned int TRAYUI_WNDPROC_POSITION_IN_VTABLE = 4;
// inspect TrayUI::WndProc, specifically this section
/*
{
if ( (_DWORD)a3 == 1486 )
{
v80 = (ClockButton *)*((_QWORD *)this + 100);
if ( v80 )
ClockButton::ToggleFlyout(v80);
*/
const unsigned int CLOCKBUTTON_OFFSET_IN_TRAYUI = 100;
void* TrayUIInstance = *((INT64*)CTrayInstance + TRAYUI_OFFSET_IN_CTRAY);
void* oldClockButtonInstance = *((INT64*)TrayUIInstance + CLOCKBUTTON_OFFSET_IN_TRAYUI);
@ -2298,9 +2310,60 @@ void Explorer_LoadSettings(int unused)
}
}
void Explorer_RefreshClockHelper(HWND hClockButton)
{
INT64* ClockButtonInstance = (BYTE*)(GetWindowLongPtrW(hClockButton, 0)); // -> ClockButton
// we call v_Initialize because all it does is to query the
// registry and update the internal state to display seconds or not
// to get the offset, simply inspect the vtable of ClockButton
((void(*)(void*))(*(INT64*)((*(INT64*)ClockButtonInstance) + 6 * sizeof(uintptr_t))))(ClockButtonInstance); // v_Initialize
// we need to refresh the button; for the text to actually change, we need to set this:
// inspect ClockButton::v_OnTimer
*((BYTE*)ClockButtonInstance + 547) = 1;
// then, we simply invalidate the area
InvalidateRect(hClockButton, NULL, TRUE);
}
void Explorer_RefreshClock(int unused)
{
HWND hShellTray_Wnd = FindWindowExW(NULL, NULL, L"Shell_TrayWnd", NULL);
if (hShellTray_Wnd)
{
HWND hTrayNotifyWnd = FindWindowExW(hShellTray_Wnd, NULL, L"TrayNotifyWnd", NULL);
if (hTrayNotifyWnd)
{
HWND hClockButton = FindWindowExW(hTrayNotifyWnd, NULL, L"TrayClockWClass", NULL);
if (hClockButton)
{
Explorer_RefreshClockHelper(hClockButton);
}
}
}
HWND hWnd = NULL;
do
{
hWnd = FindWindowExW(
NULL,
hWnd,
L"Shell_SecondaryTrayWnd",
NULL
);
if (hWnd)
{
HWND hClockButton = FindWindowExW(hWnd, NULL, L"ClockButton", NULL);
if (hClockButton)
{
Explorer_RefreshClockHelper(hClockButton);
}
}
} while (hWnd);
}
void Explorer_RefreshUI(int unused)
{
SendNotifyMessageW(HWND_BROADCAST, WM_WININICHANGE, 0, (LPARAM)L"TraySettings");
Explorer_RefreshClock(0);
}
void Explorer_TogglePeopleButton(int unused)