gtk 0.4.1

Rust bindings for the GTK+ 3 library
Documentation 
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

// This file was generated by gir (https://github.com/gtk-rs/gir @ fbb95f4)
// from gir-files (https://github.com/gtk-rs/gir-files @ 77d1f70)
// DO NOT EDIT

use CssSection;
use Error;
use StyleProvider;
use ffi;
use gio;
use glib;
use glib::object::Downcast;
use glib::object::IsA;
use glib::signal::SignalHandlerId;
use glib::signal::connect;
use glib::translate::*;
use glib_ffi;
use gobject_ffi;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem;
use std::mem::transmute;
use std::ptr;

glib_wrapper! {
    pub struct CssProvider(Object<ffi::GtkCssProvider, ffi::GtkCssProviderClass>): StyleProvider;

    match fn {
        get_type => || ffi::gtk_css_provider_get_type(),
    }
}

impl CssProvider {
    pub fn new() -> CssProvider {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_full(ffi::gtk_css_provider_new())
        }
    }

    pub fn get_default() -> Option<CssProvider> {
        assert_initialized_main_thread!();
        unsafe {
            from_glib_none(ffi::gtk_css_provider_get_default())
        }
    }

    pub fn get_named<'a, P: Into<Option<&'a str>>>(name: &str, variant: P) -> Option<CssProvider> {
        assert_initialized_main_thread!();
        let variant = variant.into();
        let variant = variant.to_glib_none();
        unsafe {
            from_glib_none(ffi::gtk_css_provider_get_named(name.to_glib_none().0, variant.0))
        }
    }
}

impl Default for CssProvider {
    fn default() -> Self {
        Self::new()
    }
}

impl fmt::Display for CssProvider {
    #[inline]
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", CssProviderExt::to_string(self))
    }
}

pub trait CssProviderExt {
    fn load_from_data(&self, data: &[u8]) -> Result<(), Error>;

    fn load_from_file<P: IsA<gio::File>>(&self, file: &P) -> Result<(), Error>;

    fn load_from_path(&self, path: &str) -> Result<(), Error>;

    #[cfg(any(feature = "v3_16", feature = "dox"))]
    fn load_from_resource(&self, resource_path: &str);

    fn to_string(&self) -> String;

    fn connect_parsing_error<F: Fn(&Self, &CssSection, &Error) + 'static>(&self, f: F) -> SignalHandlerId;
}

impl<O: IsA<CssProvider> + IsA<glib::object::Object>> CssProviderExt for O {
    fn load_from_data(&self, data: &[u8]) -> Result<(), Error> {
        let length = data.len() as isize;
        unsafe {
            let mut error = ptr::null_mut();
            let _ = ffi::gtk_css_provider_load_from_data(self.to_glib_none().0, data.to_glib_none().0, length, &mut error);
            if error.is_null() { Ok(()) } else { Err(from_glib_full(error)) }
        }
    }

    fn load_from_file<P: IsA<gio::File>>(&self, file: &P) -> Result<(), Error> {
        unsafe {
            let mut error = ptr::null_mut();
            let _ = ffi::gtk_css_provider_load_from_file(self.to_glib_none().0, file.to_glib_none().0, &mut error);
            if error.is_null() { Ok(()) } else { Err(from_glib_full(error)) }
        }
    }

    fn load_from_path(&self, path: &str) -> Result<(), Error> {
        unsafe {
            let mut error = ptr::null_mut();
            let _ = ffi::gtk_css_provider_load_from_path(self.to_glib_none().0, path.to_glib_none().0, &mut error);
            if error.is_null() { Ok(()) } else { Err(from_glib_full(error)) }
        }
    }

    #[cfg(any(feature = "v3_16", feature = "dox"))]
    fn load_from_resource(&self, resource_path: &str) {
        unsafe {
            ffi::gtk_css_provider_load_from_resource(self.to_glib_none().0, resource_path.to_glib_none().0);
        }
    }

    fn to_string(&self) -> String {
        unsafe {
            from_glib_full(ffi::gtk_css_provider_to_string(self.to_glib_none().0))
        }
    }

    fn connect_parsing_error<F: Fn(&Self, &CssSection, &Error) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe {
            let f: Box_<Box_<Fn(&Self, &CssSection, &Error) + 'static>> = Box_::new(Box_::new(f));
            connect(self.to_glib_none().0, "parsing-error",
                transmute(parsing_error_trampoline::<Self> as usize), Box_::into_raw(f) as *mut _)
        }
    }
}

unsafe extern "C" fn parsing_error_trampoline<P>(this: *mut ffi::GtkCssProvider, section: *mut ffi::GtkCssSection, error: *mut glib_ffi::GError, f: glib_ffi::gpointer)
where P: IsA<CssProvider> {
    callback_guard!();
    let f: &&(Fn(&P, &CssSection, &Error) + 'static) = transmute(f);
    f(&CssProvider::from_glib_borrow(this).downcast_unchecked(), &from_glib_borrow(section), &from_glib_borrow(error))
}