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/* ========================================================================= */
/**
* @file input.h
*
* @copyright
* Copyright 2023 Google LLC
*
* 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
*
* https://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 __WLMTK_INPUT_H__
#define __WLMTK_INPUT_H__
#include <stdint.h>
struct wlr_cursor;
struct wlr_xcursor_manager;
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
/** Forward declaration: Button event. */
typedef struct _wlmtk_button_event_t wlmtk_button_event_t;
/** Forward declaration: Pointer. */
typedef struct _wlmtk_pointer_t wlmtk_pointer_t;
/** Button state. */
typedef enum {
WLMTK_BUTTON_DOWN,
WLMTK_BUTTON_UP,
WLMTK_BUTTON_CLICK,
WLMTK_BUTTON_DOUBLE_CLICK,
} wlmtk_button_event_type_t;
/** Cursor types. */
typedef enum {
/** Default. */
WLMTK_POINTER_CURSOR_DEFAULT = 0,
/** Resizing, southern border. */
WLMTK_POINTER_CURSOR_RESIZE_S,
/** Resizing, south-eastern corner. */
WLMTK_POINTER_CURSOR_RESIZE_SE,
/** Resizing, south-western corner. */
WLMTK_POINTER_CURSOR_RESIZE_SW,
/** Sentinel: Maximum value. */
WLMTK_POINTER_CURSOR_MAX,
} wlmtk_pointer_cursor_t;
/** Button events. */
struct _wlmtk_button_event_t {
/** Button for which the event applies: linux/input-event-codes.h */
uint32_t button;
/** Type of the event: DOWN, UP, ... */
wlmtk_button_event_type_t type;
/** Time of the button event, in milliseconds. */
uint32_t time_msec;
/** Modifiers that were active when the button event happened. */
uint32_t keyboard_modifiers;
};
/** Motion event. */
typedef struct {
/** X position. */
double x;
/** Y position. */
double y;
/** Time of the motion event, in milliseconds. */
uint32_t time_msec;
/** Pointer that's associated with this motion event. */
wlmtk_pointer_t *pointer_ptr;
} wlmtk_pointer_motion_event_t;
/**
* Creates the pointer handler.
*
* @param wlr_cursor_ptr
* @param wlr_xcursor_manager_ptr
*
* @return A @ref wlmtk_pointer_t or NULL on error.
*/
wlmtk_pointer_t *wlmtk_pointer_create(
struct wlr_cursor *wlr_cursor_ptr,
struct wlr_xcursor_manager *wlr_xcursor_manager_ptr);
/**
* Destroys the pointer handler.
*
* @param pointer_ptr
*/
void wlmtk_pointer_destroy(wlmtk_pointer_t *pointer_ptr);
/**
* Sets the cursor for the pointer.
*/
void wlmtk_pointer_set_cursor(
wlmtk_pointer_t *pointer_ptr,
wlmtk_pointer_cursor_t cursor);
#ifdef __cplusplus
} // extern "C"
#endif // __cplusplus
#endif /* __WLMTK_INPUT_H__ */
/* == End of input.h ======================================================= */
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