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5ac7eddd03
* Compare window desktop id with currently active work area desktop id. * Improve error handling and conform to coding guidelines. * Move virtual desktop helper functions to ZoneWindowUtils namespace. * Ensure thread safety when creating instance of VirtualDesktopManager. * Remove static qualifier from ServiceProvider. * Return instead of break, as there is no need to check for other monitors, virtual desktop is the same for all. * Move virtual desktop related helper functions to separate files. * Skip comparing desktop ids if zone window has empty GUID for desktop id. * Add comment describion scenario for which we need this fix.
50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
#include "pch.h"
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#include "VirtualDesktopUtils.h"
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namespace VirtualDesktopUtils
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{
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const CLSID CLSID_ImmersiveShell = { 0xC2F03A33, 0x21F5, 0x47FA, 0xB4, 0xBB, 0x15, 0x63, 0x62, 0xA2, 0xF2, 0x39 };
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const wchar_t GUID_EmptyGUID[] = L"{00000000-0000-0000-0000-000000000000}";
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IServiceProvider* GetServiceProvider()
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{
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IServiceProvider* provider{ nullptr };
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if (FAILED(CoCreateInstance(CLSID_ImmersiveShell, nullptr, CLSCTX_LOCAL_SERVER, __uuidof(provider), (PVOID*)&provider)))
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{
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return nullptr;
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}
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return provider;
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}
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IVirtualDesktopManager* GetVirtualDesktopManager()
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{
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IVirtualDesktopManager* manager{ nullptr };
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IServiceProvider* serviceProvider = GetServiceProvider();
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if (serviceProvider == nullptr || FAILED(serviceProvider->QueryService(__uuidof(manager), &manager)))
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{
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return nullptr;
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}
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return manager;
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}
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bool GetWindowDesktopId(HWND topLevelWindow, GUID* desktopId)
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{
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static IVirtualDesktopManager* virtualDesktopManager = GetVirtualDesktopManager();
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return (virtualDesktopManager != nullptr) &&
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SUCCEEDED(virtualDesktopManager->GetWindowDesktopId(topLevelWindow, desktopId));
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}
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bool GetZoneWindowDesktopId(IZoneWindow* zoneWindow, GUID* desktopId)
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{
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// Format: <device-id>_<resolution>_<virtual-desktop-id>
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std::wstring uniqueId = zoneWindow->UniqueId();
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std::wstring virtualDesktopId = uniqueId.substr(uniqueId.rfind('_') + 1);
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if (virtualDesktopId == GUID_EmptyGUID)
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{
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return false;
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}
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return SUCCEEDED(CLSIDFromString(virtualDesktopId.c_str(), desktopId));
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}
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}
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