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

use std::os::raw::c_void;

/// Handles interfacing with the OS clipboard.
///
/// If the "clipboard" feature is off, or we cannot connect to the OS clipboard,
/// then a fallback clipboard that just works works within the same app is used instead.
pub struct Clipboard {
    #[cfg(all(feature = "arboard", not(target_os = "android")))]
    arboard: Option<arboard::Clipboard>,

    #[cfg(all(
        any(
            target_os = "linux",
            target_os = "dragonfly",
            target_os = "freebsd",
            target_os = "netbsd",
            target_os = "openbsd"
        ),
        feature = "smithay-clipboard"
    ))]
    smithay: Option<smithay_clipboard::Clipboard>,

    /// Fallback manual clipboard.
    clipboard: String,
}

impl Clipboard {
    #[allow(unused_variables)]
    pub fn new(#[allow(unused_variables)] wayland_display: Option<*mut c_void>) -> Self {
        Self {
            #[cfg(all(feature = "arboard", not(target_os = "android")))]
            arboard: init_arboard(),
            #[cfg(all(
                any(
                    target_os = "linux",
                    target_os = "dragonfly",
                    target_os = "freebsd",
                    target_os = "netbsd",
                    target_os = "openbsd"
                ),
                feature = "smithay-clipboard"
            ))]
            smithay: init_smithay_clipboard(wayland_display),
            clipboard: Default::default(),
        }
    }

    pub fn get(&mut self) -> Option<String> {
        #[cfg(all(
            any(
                target_os = "linux",
                target_os = "dragonfly",
                target_os = "freebsd",
                target_os = "netbsd",
                target_os = "openbsd"
            ),
            feature = "smithay-clipboard"
        ))]
        if let Some(clipboard) = &mut self.smithay {
            return match clipboard.load() {
                Ok(text) => Some(text),
                Err(err) => {
                    tracing::error!("Paste error: {}", err);
                    None
                }
            };
        }

        #[cfg(all(feature = "arboard", not(target_os = "android")))]
        if let Some(clipboard) = &mut self.arboard {
            return match clipboard.get_text() {
                Ok(text) => Some(text),
                Err(err) => {
                    tracing::error!("Paste error: {}", err);
                    None
                }
            };
        }

        Some(self.clipboard.clone())
    }

    pub fn set(&mut self, text: String) {
        #[cfg(all(
            any(
                target_os = "linux",
                target_os = "dragonfly",
                target_os = "freebsd",
                target_os = "netbsd",
                target_os = "openbsd"
            ),
            feature = "smithay-clipboard"
        ))]
        if let Some(clipboard) = &mut self.smithay {
            clipboard.store(text);
            return;
        }

        #[cfg(all(feature = "arboard", not(target_os = "android")))]
        if let Some(clipboard) = &mut self.arboard {
            if let Err(err) = clipboard.set_text(text) {
                tracing::error!("Copy/Cut error: {}", err);
            }
            return;
        }

        self.clipboard = text;
    }
}

#[cfg(all(feature = "arboard", not(target_os = "android")))]
fn init_arboard() -> Option<arboard::Clipboard> {
    match arboard::Clipboard::new() {
        Ok(clipboard) => Some(clipboard),
        Err(err) => {
            tracing::error!("Failed to initialize clipboard: {}", err);
            None
        }
    }
}

#[cfg(all(
    any(
        target_os = "linux",
        target_os = "dragonfly",
        target_os = "freebsd",
        target_os = "netbsd",
        target_os = "openbsd"
    ),
    feature = "smithay-clipboard"
))]
fn init_smithay_clipboard(
    wayland_display: Option<*mut c_void>,
) -> Option<smithay_clipboard::Clipboard> {
    if let Some(display) = wayland_display {
        #[allow(unsafe_code)]
        Some(unsafe { smithay_clipboard::Clipboard::new(display) })
    } else {
        tracing::error!("Cannot initialize smithay clipboard without a display handle!");
        None
    }
}