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Start10: Fix positioning when the taskbar is not placed at the bottom, on 24H2 builds

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Amrsatrio 2024-07-29 19:31:48 +07:00
parent c8434659cc
commit de2532ddcd
1 changed files with 63 additions and 0 deletions
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63
ExplorerPatcher/dllmain.c
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@ -11327,6 +11327,69 @@ HRESULT OnViewUncloakingHook(void* eventHandler, void* pSender)
target | 0x200000, NULL, NULL, NULL, NULL, &rc);
}
if (global_rovi.dwBuildNumber >= 25169)
{
// Patch hardcoded EUITSP_BOTTOM present in the original function with the correct value
#if defined(_M_X64)
static int* rgpConstants[2];
if (!rgpConstants[0] && rgpConstants[0] != (int*)-1)
{
// 03 00 00 00
PBYTE match = FindPattern(OnViewUncloakingFunc, 80, "\x03\x00\x00\x00", "xxxx");
rgpConstants[0] = match ? (int*)match : (int*)-1;
if (match)
{
match = FindPattern(match + 4, 40, "\x03\x00\x00\x00", "xxxx");
rgpConstants[1] = match ? (int*)match : (int*)-1;
}
}
for (int i = 0; i < ARRAYSIZE(rgpConstants); i++)
{
if (rgpConstants[i] && rgpConstants[i] != (int*)-1)
{
DWORD dwOldProtect;
if (VirtualProtect(rgpConstants[i], 4, PAGE_EXECUTE_READWRITE, &dwOldProtect))
{
*rgpConstants[i] = tsp;
VirtualProtect(rgpConstants[i], 4, dwOldProtect, &dwOldProtect);
}
}
}
#elif defined(_M_ARM64)
static DWORD* rgpInsnMovs[2];
if (!rgpInsnMovs[0] && rgpInsnMovs[0] != (DWORD*)-1)
{
// 68 00 80 52
PBYTE match = FindPattern(OnViewUncloakingFunc, 160, "\x68\x00\x80\x52", "xxxx");
rgpInsnMovs[0] = match ? (DWORD*)match : (DWORD*)-1;
if (match)
{
match = FindPattern(match + 4, 40, "\x68\x00\x80\x52", "xxxx");
rgpInsnMovs[1] = match ? (DWORD*)match : (DWORD*)-1;
}
}
for (int i = 0; i < ARRAYSIZE(rgpInsnMovs); i++)
{
if (rgpInsnMovs[i] && rgpInsnMovs[i] != (DWORD*)-1)
{
DWORD dwOldProtect;
if (VirtualProtect(rgpInsnMovs[i], 4, PAGE_EXECUTE_READWRITE, &dwOldProtect))
{
if (ARM64_IsInRange(tsp, 16))
{
DWORD insn = *rgpInsnMovs[i];
int imm16Mask = ((1 << 16) - 1) << 5;
insn &= ~imm16Mask; // clear imm16
insn |= (tsp << 5) & imm16Mask; // set imm16
*rgpInsnMovs[i] = insn;
}
VirtualProtect(rgpInsnMovs[i], 4, dwOldProtect, &dwOldProtect);
}
}
}
#endif
}
return OnViewUncloakingFunc(eventHandler, pSender);
}