PowerToys/src/modules/fancyzones/FancyZonesLib/WindowMoveHandler.h
2021-08-11 15:05:03 +01:00

83 lines
3.2 KiB
C++

#pragma once
#include "FancyZonesWindowProperties.h"
#include "KeyState.h"
#include "SecondaryMouseButtonsHook.h"
#include <functional>
interface IFancyZonesSettings;
interface IWorkArea;
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<IWorkArea>>& zoneWindowMap) noexcept;
void MoveSizeUpdate(HMONITOR monitor, POINT const& ptScreen, const std::unordered_map<HMONITOR, winrt::com_ptr<IWorkArea>>& zoneWindowMap) noexcept;
void MoveSizeEnd(HWND window, POINT const& ptScreen, const std::unordered_map<HMONITOR, winrt::com_ptr<IWorkArea>>& zoneWindowMap) noexcept;
void MoveWindowIntoZoneByIndexSet(HWND window, const ZoneIndexSet& indexSet, winrt::com_ptr<IWorkArea> zoneWindow) noexcept;
bool MoveWindowIntoZoneByDirectionAndIndex(HWND window, DWORD vkCode, bool cycle, winrt::com_ptr<IWorkArea> zoneWindow) noexcept;
bool MoveWindowIntoZoneByDirectionAndPosition(HWND window, DWORD vkCode, bool cycle, winrt::com_ptr<IWorkArea> zoneWindow) noexcept;
bool ExtendWindowByDirectionAndPosition(HWND window, DWORD vkCode, winrt::com_ptr<IWorkArea> 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<IWorkArea> m_zoneWindowMoveSize; // "Active" WorkArea, 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;
};