[FancyZones] Move FancyZones out of the runner process (#11818)

* rename dll -> FancyZonesModuleInterface (#11488)

* [FancyZones] Rename "fancyzones/tests" -> "fancyzones/FancyZonesTests" (#11492)

* [FancyZones] Rename "fancyzones/lib" -> "fancyzones/FancyZonesLib" (#11489)

* [FancyZones] New FancyZones project. (#11544)

* [FancyZones] Allow single instance of "PowerToys.FancyZones.exe" (#11558)

* [FancyZones] Updated bug reports (#11571)

* [FancyZones] Updated installer (#11572)

* [FancyZones] Update string resources (#11596)

* [FancyZones] Terminate FancyZones with runner (#11696)

* [FancyZones] Drop support for the module interface API to save settings (#11661)

* Settings telemetry for FancyZones (#11766)

* commented out test

* enable dpi awareness for the process

src/modules/fancyzones/FancyZonesLib/WindowMoveHandler.h

@@ -0,0 +1,81 @@
+#pragma once
+
+#include "KeyState.h"
+#include "SecondaryMouseButtonsHook.h"
+
+#include <functional>
+
+interface IFancyZonesSettings;
+interface IZoneWindow;
+
+class WindowMoveHandler
+{
+public:
+    WindowMoveHandler(const winrt::com_ptr<IFancyZonesSettings>& settings, const std::function<void()>& keyUpdateCallback);
+
+    void MoveSizeStart(HWND window, HMONITOR monitor, POINT const& ptScreen, const std::unordered_map<HMONITOR, winrt::com_ptr<IZoneWindow>>& zoneWindowMap) noexcept;
+    void MoveSizeUpdate(HMONITOR monitor, POINT const& ptScreen, const std::unordered_map<HMONITOR, winrt::com_ptr<IZoneWindow>>& zoneWindowMap) noexcept;
+    void MoveSizeEnd(HWND window, POINT const& ptScreen, const std::unordered_map<HMONITOR, winrt::com_ptr<IZoneWindow>>& zoneWindowMap) noexcept;
+
+    void MoveWindowIntoZoneByIndexSet(HWND window, const std::vector<size_t>& indexSet, winrt::com_ptr<IZoneWindow> zoneWindow) noexcept;
+    bool MoveWindowIntoZoneByDirectionAndIndex(HWND window, DWORD vkCode, bool cycle, winrt::com_ptr<IZoneWindow> zoneWindow) noexcept;
+    bool MoveWindowIntoZoneByDirectionAndPosition(HWND window, DWORD vkCode, bool cycle, winrt::com_ptr<IZoneWindow> zoneWindow) noexcept;
+    bool ExtendWindowByDirectionAndPosition(HWND window, DWORD vkCode, winrt::com_ptr<IZoneWindow> zoneWindow) noexcept;
+
+    inline void OnMouseDown() noexcept
+    {
+        m_mouseState = !m_mouseState;
+        m_keyUpdateCallback();
+    }
+
+    inline bool IsDragEnabled() const noexcept
+    {
+        return m_dragEnabled;
+    }
+
+    inline bool InMoveSize() const noexcept
+    {
+        return m_inMoveSize;
+    }
+
+private:
+    struct WindowTransparencyProperties
+    {
+        HWND draggedWindow = nullptr;
+        long draggedWindowExstyle = 0;
+        COLORREF draggedWindowCrKey = RGB(0, 0, 0);
+        DWORD draggedWindowDwFlags = 0;
+        BYTE draggedWindowInitialAlpha = 0;
+    };
+
+    // MoveSize related window properties
+    struct MoveSizeWindowInfo
+    {
+        // True if from the styles the window looks like a standard window
+        bool isStandardWindow = false;
+        // True if the window is a top-level window that does not have a visible owner
+        bool hasNoVisibleOwner = false;
+    };
+
+    void WarnIfElevationIsRequired(HWND window) noexcept;
+    void UpdateDragState() noexcept;
+
+    void SetWindowTransparency(HWND window) noexcept;
+    void ResetWindowTransparency() noexcept;
+
+    winrt::com_ptr<IFancyZonesSettings> m_settings{};
+
+    HWND m_windowMoveSize{}; // The window that is being moved/sized
+    bool m_inMoveSize{}; // Whether or not a move/size operation is currently active
+    MoveSizeWindowInfo m_moveSizeWindowInfo; // MoveSizeWindowInfo of the window at the moment when dragging started
+    winrt::com_ptr<IZoneWindow> m_zoneWindowMoveSize; // "Active" ZoneWindow, where the move/size is happening. Will update as drag moves between monitors.
+    bool m_dragEnabled{}; // True if we should be showing zone hints while dragging
+
+    WindowTransparencyProperties m_windowTransparencyProperties;
+
+    std::atomic<bool> m_mouseState;
+    SecondaryMouseButtonsHook m_mouseHook;
+    KeyState<VK_LSHIFT, VK_RSHIFT> m_shiftKeyState;
+    KeyState<VK_LCONTROL, VK_RCONTROL> m_ctrlKeyState;
+    std::function<void()> m_keyUpdateCallback;
+};