main neuswc / libswc / input.h
 1/* swc: input.h
 2 *
 3 * Copyright (c) 2013, 2014 Michael Forney
 4 *
 5 * Permission is hereby granted, free of charge, to any person obtaining a copy
 6 * of this software and associated documentation files (the "Software"), to deal
 7 * in the Software without restriction, including without limitation the rights
 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24#ifndef SWC_INPUT_H
25#define SWC_INPUT_H
26
27#include <stdbool.h>
28#include <wayland-server.h>
29
30/* Focus {{{ */
31
32enum { INPUT_FOCUS_EVENT_CHANGED };
33
34struct input_focus_event_data {
35	struct compositor_view *old, *new;
36};
37
38struct input_focus_handler {
39	void (*enter)(struct input_focus_handler *handler,
40	              struct wl_list *resources, struct compositor_view *view);
41	void (*leave)(struct input_focus_handler *handler,
42	              struct wl_list *resources, struct compositor_view *view);
43};
44
45struct input_focus {
46	struct wl_client *client;
47	struct compositor_view *view;
48	struct wl_listener view_destroy_listener;
49
50	struct input_focus_handler *handler;
51	struct wl_list active, inactive;
52
53	struct wl_signal event_signal;
54};
55
56bool
57input_focus_initialize(struct input_focus *input_focus,
58                       struct input_focus_handler *input_handler);
59void
60input_focus_finalize(struct input_focus *input_focus);
61void
62input_focus_add_resource(struct input_focus *input_focus,
63                         struct wl_resource *resource);
64void
65input_focus_remove_resource(struct input_focus *input_focus,
66                            struct wl_resource *resource);
67void
68input_focus_set(struct input_focus *input_focus, struct compositor_view *view);
69
70/* }}} */
71
72/* Key/button handling {{{ */
73
74struct press {
75	uint32_t value;
76	uint32_t serial;
77	void *data;
78};
79
80/* }}} */
81
82#endif