summaryrefslogtreecommitdiff
path: root/Sources/Seat/OwlPointer.m
blob: d754754436acffe8b99ee631a8411e912486eaee (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/* This file is part of Owl.
 *
 * Copyright © 2019-2021 Sergey Bugaev <bugaevc@gmail.com>
 *
 * Owl is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * Owl is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Owl.  If not, see <http://www.gnu.org/licenses/>.
 */

#import "OwlPointer.h"
#import <wayland-server.h>
#import "OwlServer.h"
#import "OwlSurface.h"


@implementation OwlPointer

static NSMutableArray *pointers;

+ (void) initialize {
    if (pointers == nil) {
        pointers = [[NSMutableArray alloc] initWithCapacity: 1];
    }
}

+ (OwlPointer *) pointerForClient: (struct wl_client *) client {
    for (OwlPointer *pointer in pointers) {
        struct wl_resource *resource = pointer->_resource;
        if (client == wl_resource_get_client(resource)) {
            return pointer;
        }
    }
    return nil;
}

static void pointer_set_cursor(
    struct wl_client *client,
    struct wl_resource *resource,
    uint32_t serial,
    struct wl_resource *surface_resource,
    int32_t hotspot_x,
    int32_t hotspot_y
) {
    // TODO
}

static const struct wl_pointer_interface pointer_impl = {
    .set_cursor = pointer_set_cursor
};

static void pointer_destroy(struct wl_resource *resource) {
    OwlPointer *self = wl_resource_get_user_data(resource);
    [pointers removeObjectIdenticalTo: self];
    [self release];
}

- (id) initWithResource: (struct wl_resource *) resource {
    _resource = resource;
    [pointers addObject: self];
    wl_resource_set_implementation(
        resource,
        &pointer_impl,
        [self retain],
        pointer_destroy
    );
    return self;
}

- (struct wl_resource *) resource {
    return _resource;
}

- (void) sendEnterSurface: (OwlSurface *) surface atPoint: (NSPoint) point {
    wl_pointer_send_enter(
        _resource,
        [[OwlServer sharedServer] nextSerial],
        [surface resource],
        wl_fixed_from_double(point.x),
        wl_fixed_from_double(point.y)
    );
}

- (void) sendMotionAtPoint: (NSPoint) point {
    wl_pointer_send_motion(
        _resource,
        [OwlServer timestamp],
        wl_fixed_from_double(point.x),
        wl_fixed_from_double(point.y)
    );
}

- (void) sendLeaveSurface: (OwlSurface *) surface {
    wl_pointer_send_leave(
        _resource,
        [[OwlServer sharedServer] nextSerial],
        [surface resource]
    );
}

- (void) sendScrollByX: (CGFloat) deltaX byY: (CGFloat) deltaY {
    uint32_t timestamp = [OwlServer timestamp];

    if (deltaX != 0.0) {
        wl_pointer_send_axis(
            _resource,
            timestamp,
            WL_POINTER_AXIS_HORIZONTAL_SCROLL,
            wl_fixed_from_double(deltaX)
        );
    }

    if (deltaY != 0.0) {
        wl_pointer_send_axis(
            _resource,
            timestamp,
            WL_POINTER_AXIS_VERTICAL_SCROLL,
            wl_fixed_from_double(-deltaY)
        );
    }
}

- (void) sendButton: (uint32_t) button isPressed: (BOOL) isPressed {
    enum wl_pointer_button_state state = isPressed
        ? WL_POINTER_BUTTON_STATE_PRESSED
        : WL_POINTER_BUTTON_STATE_RELEASED;

    wl_pointer_send_button(
        _resource,
        [[OwlServer sharedServer] nextSerial],
        [OwlServer timestamp],
        button,
        state
    );
}

@end