PlatformScreen.h

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/*
 * Deskflow -- mouse and keyboard sharing utility
 * SPDX-FileCopyrightText: (C) 2026 Deskflow Developers
 * SPDX-FileCopyrightText: (C) 2012 - 2016 Symless Ltd.
 * SPDX-FileCopyrightText: (C) 2004 Chris Schoeneman
 * SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
 */
 
#pragma once
 
#include "deskflow/IPlatformScreen.h"


class PlatformScreen : public IPlatformScreen
{
public:
  explicit PlatformScreen(IEventQueue *events);
  ~PlatformScreen() override = default;
 
  // IScreen overrides
  void *getEventTarget() const override = 0;
  bool getClipboard(ClipboardID id, IClipboard *) const override = 0;
  void getShape(int32_t &x, int32_t &y, int32_t &width, int32_t &height) const override = 0;
  void getCursorPos(int32_t &x, int32_t &y) const override = 0;
 
  // IPrimaryScreen overrides
  void reconfigure(uint32_t activeSides) override = 0;
  uint32_t activeSides() override = 0;
  void warpCursor(int32_t x, int32_t y) override = 0;
  uint32_t registerHotKey(KeyID key, KeyModifierMask mask) override = 0;
  void unregisterHotKey(uint32_t id) override = 0;
  void fakeInputBegin() override = 0;
  void fakeInputEnd() override = 0;
  int32_t getJumpZoneSize() const override = 0;
  bool isAnyMouseButtonDown(uint32_t &buttonID) const override = 0;
  void getCursorCenter(int32_t &x, int32_t &y) const override = 0;
 
  // ISecondaryScreen overrides
  void fakeMouseButton(ButtonID id, bool press) override = 0;
  void fakeMouseMove(int32_t x, int32_t y) override = 0;
  void fakeMouseRelativeMove(int32_t dx, int32_t dy) const override = 0;
  void fakeMouseWheel(ScrollDelta delta) const override = 0;
 
  // IKeyState overrides
  void updateKeyMap() override;
  void updateKeyState() override;
  void setHalfDuplexMask(KeyModifierMask) override;
  void fakeKeyDown(KeyID id, KeyModifierMask mask, KeyButton button, const std::string &) override;
  bool fakeKeyRepeat(KeyID id, KeyModifierMask mask, int32_t count, KeyButton button, const std::string &lang) override;
  bool fakeKeyUp(KeyButton button) override;
  void fakeAllKeysUp() override;
  bool fakeCtrlAltDel() override;
  bool isKeyDown(KeyButton) const override;
  KeyModifierMask getActiveModifiers() const override;
  KeyModifierMask pollActiveModifiers() const override;
  int32_t pollActiveGroup() const override;
  void pollPressedKeys(KeyButtonSet &pressedKeys) const override;
  void clearStaleModifiers() override;
 
  // IPlatformScreen overrides
  void enable() override = 0;
  void disable() override = 0;
  void enter() override = 0;
  bool canLeave() override = 0;
  void leave() override = 0;
  bool setClipboard(ClipboardID, const IClipboard *) override = 0;
  void checkClipboards() override = 0;
  void openScreensaver(bool notify) override = 0;
  void closeScreensaver() override = 0;
  void screensaver(bool activate) override = 0;
  void resetOptions() override = 0;
  void setOptions(const OptionsList &options) override = 0;
  void setSequenceNumber(uint32_t) override = 0;
  bool isPrimary() const override = 0;
 
protected:

  virtual void updateButtons() = 0;


  virtual IKeyState *getKeyState() const = 0;
 
  // IPlatformScreen overrides
  void handleSystemEvent(const Event &event) override = 0;

  static std::string sidesMaskToString(uint32_t sides);
 
  // Delta for a "click"
  static const auto s_scrollDelta = 120;
};