vsf_input_mouse.h

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/*****************************************************************************
 *   Copyright(C)2009-2022 by VSF Team                                       *
 *                                                                           *
 *  Licensed under the Apache License, Version 2.0 (the "License");          *
 *  you may not use this file except in compliance with the License.         *
 *  You may obtain a copy of the License at                                  *
 *                                                                           *
 *     http://www.apache.org/licenses/LICENSE-2.0                            *
 *                                                                           *
 *  Unless required by applicable law or agreed to in writing, software      *
 *  distributed under the License is distributed on an "AS IS" BASIS,        *
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
 *  See the License for the specific language governing permissions and      *
 *  limitations under the License.                                           *
 *                                                                           *
 ****************************************************************************/
 
#ifndef __VSF_INPUT_MOUSE_H__
#define __VSF_INPUT_MOUSE_H__
 
/*============================ INCLUDES ======================================*/
#include "../vsf_input_cfg.h"
 
#include "../vsf_input_get_type.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*============================ MACROS ========================================*/
 
#define VSF_INPUT_MOUSE_RELATIVE        1
#define VSF_INPUT_MOUSE_ABSOLUTE        0
 
/*============================ MACROFIED FUNCTIONS ===========================*/
 
#define vsf_input_mouse_evt_move_set(__evt,__x, __y, __abs0_rel1)               \
            do {                                                                \
                (__evt)->id = VSF_INPUT_MOUSE_EVT_MOVE | ((__abs0_rel1) << 16); \
                (__evt)->cur.valu32 = ((__x) | ((__y) << 16));                  \
            } while (0)
 
// wheel is relative value
#define vsf_input_mouse_evt_wheel_set(__evt, __x, __y)                          \
            do {                                                                \
                (__evt)->id = VSF_INPUT_MOUSE_EVT_WHEEL | (1 << 16);            \
                (__evt)->cur.valu32 = ((__x) | ((__y) << 16));                  \
            } while (0)
 
#define vsf_input_mouse_evt_button_set(__evt, __button, __is_down, __x, __y, __abs0_rel1)\
            do {                                                                \
                (__evt)->id =   VSF_INPUT_MOUSE_EVT_BUTTON                      \
                            |   ((__button) << 8) | ((__is_down) << 12)         \
                            |   ((__abs0_rel1) << 16);                          \
                (__evt)->cur.valu32 = ((__x) | ((__y) << 16));                  \
            } while (0)
 
// result is VSF_INPUT_MOUSE_EVT_(MOVE/BUTTON/WHEEL)
#define vsf_input_mouse_evt_get(__evt)                                          \
            ((__evt)->id & 0xFF)
#define vsf_input_mouse_is_relative(__evt)                                       \
            (!!(((__evt)->id >> 16) & 1))
#define vsf_input_mouse_is_absolute(__evt)                                       \
            (!vsf_input_mouse_is_relative(__evt))
 
// for button events
#define vsf_input_mouse_evt_button_get(__evt)                                   \
            (int)(((__evt)->id >> 8) & 0x03)
#define vsf_input_mouse_evt_button_is_down(__evt)                               \
            (!!(((__evt)->id >> 12) & 1))
 
// for move/button/wheel events
#define vsf_input_mouse_evt_get_x(__evt)                                        \
            ((int16_t)(((__evt)->cur.valu32 >> 0) & 0xFFFF))
#define vsf_input_mouse_evt_get_y(__evt)                                        \
            ((int16_t)(((__evt)->cur.valu32 >> 16) & 0xFFFF))
 
/*============================ TYPES =========================================*/
 
enum {
    VSF_INPUT_TYPE_MOUSE = VSF_INPUT_USER_TYPE,
};
 
enum {
    VSF_INPUT_MOUSE_EVT_MOVE,
    VSF_INPUT_MOUSE_EVT_BUTTON,
    VSF_INPUT_MOUSE_EVT_WHEEL,
};
 
enum {
    VSF_INPUT_MOUSE_BUTTON_LEFT,
    VSF_INPUT_MOUSE_BUTTON_MIDDLE,
    VSF_INPUT_MOUSE_BUTTON_RIGHT,
};
 
typedef struct vk_mouse_evt_t {
    implement(vk_input_evt_t)
} vk_mouse_evt_t;
 
/*============================ GLOBAL VARIABLES ==============================*/
/*============================ LOCAL VARIABLES ===============================*/
/*============================ PROTOTYPES ====================================*/
 
#ifdef __cplusplus
}
#endif
 
#endif
/* EOF */