Lightemerald/windows-user-space-emulator
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Fix for older Windows builds

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This commit is contained in:
Igor Pissolati
2026-01-04 16:01:13 -03:00
committed by GitHub
parent de491ade0e
commit 5302900a9d
3 changed files with 66 additions and 10 deletions
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42
src/windows-emulator/process_context.cpp
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@@ -176,12 +176,36 @@ namespace
return env_map;
}
uint32_t read_windows_build(registry_manager& registry)
{
const auto key = registry.get_key({R"(\Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion)"});
if (!key)
return 0;
for (size_t i = 0; const auto value = registry.get_value(*key, i); ++i)
{
if (value->type != REG_SZ)
continue;
if (value->name == "CurrentBuildNumber" || value->name == "CurrentBuild")
{
const auto* s = reinterpret_cast<const char16_t*>(value->data.data());
return static_cast<uint32_t>(std::wcstoul(reinterpret_cast<const wchar_t*>(s), nullptr, 10));
}
}
return 0;
}
}
void process_context::setup(x86_64_emulator& emu, memory_manager& memory, registry_manager& registry,
const application_settings& app_settings, const mapped_module& executable, const mapped_module& ntdll,
const apiset::container& apiset_container, const mapped_module* ntdll32)
{
this->windows_build_number = read_windows_build(registry);
setup_gdt(emu, memory);
this->kusd.setup();
@@ -398,10 +422,20 @@ void process_context::setup(x86_64_emulator& emu, memory_manager& memory, regist
this->default_monitor_handle = h;
monitor_obj.access([&](USER_MONITOR& monitor) {
monitor.hmon = h.bits;
monitor.monitorRect = {.left = 0, .top = 0, .right = 1920, .bottom = 1080};
monitor.workRect = monitor.monitorRect;
monitor.monitorDpi = 96;
monitor.nativeDpi = monitor.monitorDpi;
monitor.rcMonitor = {.left = 0, .top = 0, .right = 1920, .bottom = 1080};
monitor.rcWork = monitor.rcMonitor;
if (this->is_older_windows_build())
{
monitor.b20.monitorDpi = 96;
monitor.b20.nativeDpi = monitor.b20.monitorDpi;
monitor.b20.cachedDpi = monitor.b20.monitorDpi;
monitor.b20.rcMonitorDpiAware = monitor.rcMonitor;
}
else
{
monitor.b26.monitorDpi = 96;
monitor.b26.nativeDpi = monitor.b26.monitorDpi;
}
});
const auto user_display_info = this->user_handles.get_display_info();