Lightemerald/windows-user-space-emulator
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More UI syscalls

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momo5502
2025-05-18 10:35:22 +02:00
parent 836262f3d7
commit 67031b40ea
4 changed files with 46 additions and 4 deletions
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34
src/windows-emulator/syscalls.cpp
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@@ -574,6 +574,24 @@ namespace syscalls
return STATUS_SUCCESS;
}
NTSTATUS handle_NtFindAtom(const syscall_context& c, const uint64_t atom_name, const ULONG length,
const emulator_object<uint16_t> atom)
{
const auto name = read_string<char16_t>(c.emu, atom_name, length / 2);
const auto index = c.proc.find_atom(name);
if (!index)
{
return STATUS_OBJECT_NAME_NOT_FOUND;
}
if (atom)
{
atom.write(*index);
}
return STATUS_SUCCESS;
}
NTSTATUS handle_NtUserGetAtomName(const syscall_context& c, const RTL_ATOM atom,
const emulator_object<UNICODE_STRING<EmulatorTraits<Emu64>>> atom_name)
{
@@ -611,14 +629,15 @@ namespace syscalls
return 96;
}
NTSTATUS handle_NtUserGetDCEx()
hdc handle_NtUserGetDCEx(const syscall_context& /*c*/, const hwnd window, const uint64_t /*clip_region*/,
const ULONG /*flags*/)
{
return 1;
return window;
}
NTSTATUS handle_NtUserGetDC()
hdc handle_NtUserGetDC(const syscall_context& c, const hwnd window)
{
return handle_NtUserGetDCEx();
return handle_NtUserGetDCEx(c, window, 0, 0);
}
NTSTATUS handle_NtUserGetWindowDC()
@@ -770,6 +789,11 @@ namespace syscalls
return c.proc.windows.store(std::move(win)).bits;
}
BOOL handle_NtUserDestroyWindow(const syscall_context& c, const hwnd window)
{
return c.proc.windows.erase(window);
}
BOOL handle_NtUserSetProp(const syscall_context& c, const hwnd window, const uint16_t atom, const uint64_t data)
{
auto* win = c.proc.windows.get(window);
@@ -942,6 +966,7 @@ void syscall_dispatcher::add_handlers(std::map<std::string, syscall_handler>& ha
add_handler(NtDxgkIsFeatureEnabled);
add_handler(NtAddAtomEx);
add_handler(NtAddAtom);
add_handler(NtFindAtom);
add_handler(NtDeleteAtom);
add_handler(NtUserGetAtomName);
add_handler(NtInitializeNlsFiles);
@@ -1050,6 +1075,7 @@ void syscall_dispatcher::add_handlers(std::map<std::string, syscall_handler>& ha
add_handler(NtUserSetProp);
add_handler(NtUserSetProp2);
add_handler(NtUserChangeWindowMessageFilterEx);
add_handler(NtUserDestroyWindow);
#undef add_handler
}