xbmc/windowing/wayland/InputProcessorPointer.h

   1 /*
   2  *  Copyright (C) 2017-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "Seat.h"
  12 #include "input/keyboard/XBMC_keysym.h"
  13 #include "utils/Geometry.h"
  14 #include "windowing/XBMC_events.h"
  15
  16 #include <cstdint>
  17
  18 #include <wayland-client-protocol.hpp>
  19
  20 namespace KODI
  21 {
  22 namespace WINDOWING
  23 {
  24 namespace WAYLAND
  25 {
  26
  27 class IInputHandlerPointer
  28 {
  29 public:
  30   virtual void OnPointerEnter(std::uint32_t seatGlobalName, std::uint32_t serial) {}
  31   virtual void OnPointerLeave() {}
  32   virtual void OnPointerEvent(XBMC_Event& event) = 0;
  33 protected:
  34   ~IInputHandlerPointer() = default;
  35 };
  36
  37 class CInputProcessorPointer final : public IRawInputHandlerPointer
  38 {
  39 public:
  40   CInputProcessorPointer(wayland::surface_t const& surface, IInputHandlerPointer& handler);
  41   void SetCoordinateScale(std::int32_t scale) { m_coordinateScale = scale; }
  42
  43   void OnPointerEnter(CSeat* seat,
  44                       std::uint32_t serial,
  45                       const wayland::surface_t& surface,
  46                       double surfaceX,
  47                       double surfaceY) override;
  48   void OnPointerLeave(CSeat* seat,
  49                       std::uint32_t serial,
  50                       const wayland::surface_t& surface) override;
  51   void OnPointerMotion(CSeat* seat, std::uint32_t time, double surfaceX, double surfaceY) override;
  52   void OnPointerButton(CSeat* seat, std::uint32_t serial, std::uint32_t time, std::uint32_t button, wayland::pointer_button_state state) override;
  53   void OnPointerAxis(CSeat* seat, std::uint32_t time, wayland::pointer_axis axis, double value) override;
  54
  55 private:
  56   CInputProcessorPointer(CInputProcessorPointer const& other) = delete;
  57   CInputProcessorPointer& operator=(CInputProcessorPointer const& other) = delete;
  58
  59   std::uint16_t ConvertMouseCoordinate(double coord) const;
  60   void SetMousePosFromSurface(CPointGen<double> position);
  61   void SendMouseMotion();
  62   void SendMouseButton(unsigned char button, bool pressed);
  63
  64   wayland::surface_t m_surface;
  65   IInputHandlerPointer& m_handler;
  66
  67   bool m_pointerOnSurface{};
  68
  69   // Pointer position in *scaled* coordinates
  70   CPointGen<std::uint16_t> m_pointerPosition;
  71   std::int32_t m_coordinateScale{1};
  72 };
  73
  74 }
  75 }
  76 }