GUIInputWayland.h

/*
* Copyright (C) TES Electronic Solutions GmbH,
* All Rights Reserved.
* Contact: info@guiliani.de
*
* This file is part of the Guiliani HMI framework
* for the development of graphical user interfaces on embedded systems.
*/
 
#ifndef __GUIINPUT_WAYLAND_H__
#define __GUIINPUT_WAYLAND_H__
 
#include "GUIInputMedia.h"
 
#include "GUIEventTypeResource.h"
#include "eC_TList_doubleLinked.h"
 
#include <wayland-client.h>
#include <wayland-client-protocol.h>
#include <linux/input-event-codes.h>
 
#include <xkbcommon/xkbcommon.h>
 
class CGUIInputWayland : public CGUIInputMedia
{
public:
    enum PointerEventMask_t
    {
       POINTER_EVENT_ENTER = 1 << 0,
       POINTER_EVENT_LEAVE = 1 << 1,
       POINTER_EVENT_MOTION = 1 << 2,
       POINTER_EVENT_BUTTON = 1 << 3,
       POINTER_EVENT_AXIS = 1 << 4,
       POINTER_EVENT_AXIS_SOURCE = 1 << 5,
       POINTER_EVENT_AXIS_STOP = 1 << 6,
       POINTER_EVENT_AXIS_DISCRETE = 1 << 7,
    };
 
    typedef struct
    {
       uint32_t event_mask; 
       wl_fixed_t surface_x; 
       wl_fixed_t surface_y; 
       uint32_t button; 
       uint32_t state; 
       uint32_t time; 
       uint32_t serial; 
       struct
       {
            bool valid; 
            wl_fixed_t value; 
            int32_t discrete; 
       } axes[2]; 
       uint32_t axis_source; 
    } PointerEvent_t;
 
    enum TouchEventMask_t
    {
       TOUCH_EVENT_DOWN = 1 << 0,
       TOUCH_EVENT_UP = 1 << 1,
       TOUCH_EVENT_MOTION = 1 << 2,
       TOUCH_EVENT_CANCEL = 1 << 3,
       TOUCH_EVENT_SHAPE = 1 << 4,
       TOUCH_EVENT_ORIENTATION = 1 << 5,
    };
 
    typedef struct
    {
       bool valid; 
       int32_t id; 
       uint32_t event_mask; 
       wl_fixed_t surface_x; 
       wl_fixed_t surface_y; 
       wl_fixed_t major; 
       wl_fixed_t minor; 
       wl_fixed_t orientation; 
    } TouchPoint_t;
 
    typedef struct
    {
       uint32_t event_mask; 
       uint32_t time; 
       uint32_t serial; 
       TouchPoint_t points[10]; 
    } TouchEvent_t;
 
    struct ClientState_t
    {
        struct wl_display *wl_display; 
        struct wl_registry *wl_registry; 
        struct wl_seat *wl_seat; 
        struct wl_keyboard *wl_keyboard; 
        struct wl_pointer *wl_pointer; 
        struct wl_touch *wl_touch; 
 
        struct wl_pointer_listener wl_pointer_listener; 
        struct wl_touch_listener wl_touch_listener; 
        struct wl_keyboard_listener wl_keyboard_listener; 
 
        struct wl_registry_listener wl_registry_listener; 
        struct wl_seat_listener wl_seat_listener; 
        PointerEvent_t pointer_event; 
        struct xkb_state *xkb_state; 
        struct xkb_context *xkb_context; 
        struct xkb_keymap *xkb_keymap; 
        TouchEvent_t touch_event; 
    };
 
public:
    static void CreateInstance(void* handle);
 
    virtual void PollEvent();
 
    virtual void StopIdle();
 
protected:
    CGUIInputWayland(void* handle);
    ~CGUIInputWayland();
 
private:
    ClientState_t m_kState; 
};
 
#endif