1use editor::Editor;
2use encoding::Encoding;
3use encoding::all::{
4 BIG5_2003, EUC_JP, GB18030, GBK, HZ, IBM866, ISO_2022_JP, ISO_8859_1, ISO_8859_2, ISO_8859_3,
5 ISO_8859_4, ISO_8859_5, ISO_8859_6, ISO_8859_7, ISO_8859_8, ISO_8859_10, ISO_8859_13,
6 ISO_8859_14, ISO_8859_15, ISO_8859_16, KOI8_R, KOI8_U, MAC_CYRILLIC, MAC_ROMAN, UTF_8,
7 UTF_16BE, UTF_16LE, WINDOWS_874, WINDOWS_949, WINDOWS_1250, WINDOWS_1251, WINDOWS_1252,
8 WINDOWS_1253, WINDOWS_1254, WINDOWS_1255, WINDOWS_1256, WINDOWS_1257, WINDOWS_1258,
9};
10use gpui::{ClickEvent, Entity, Subscription, WeakEntity};
11use ui::{Button, ButtonCommon, Context, LabelSize, Render, Tooltip, Window, div};
12use ui::{Clickable, ParentElement};
13use workspace::{ItemHandle, StatusItemView, Workspace};
14
15use crate::selectors::save_or_reopen::{EncodingSaveOrReopenSelector, get_current_encoding};
16
17pub struct EncodingIndicator {
18 pub encoding: Option<&'static dyn Encoding>,
19 pub workspace: WeakEntity<Workspace>,
20 observe: Option<Subscription>,
21}
22
23pub mod selectors;
24
25impl Render for EncodingIndicator {
26 fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl ui::IntoElement {
27 let status_element = div();
28
29 status_element.child(
30 Button::new("encoding", encoding_name(self.encoding.unwrap_or(UTF_8)))
31 .label_size(LabelSize::Small)
32 .tooltip(Tooltip::text("Select Encoding"))
33 .on_click(cx.listener(|indicator, _: &ClickEvent, window, cx| {
34 if let Some(workspace) = indicator.workspace.upgrade() {
35 workspace.update(cx, |workspace, cx| {
36 EncodingSaveOrReopenSelector::toggle(workspace, window, cx)
37 })
38 } else {
39 }
40 })),
41 )
42 }
43}
44
45impl EncodingIndicator {
46 pub fn get_current_encoding(&self, cx: &mut Context<Self>, editor: WeakEntity<Editor>) {}
47
48 pub fn new(
49 encoding: Option<&'static dyn encoding::Encoding>,
50 workspace: WeakEntity<Workspace>,
51 observe: Option<Subscription>,
52 ) -> EncodingIndicator {
53 EncodingIndicator {
54 encoding,
55 workspace,
56 observe,
57 }
58 }
59
60 pub fn update(
61 &mut self,
62 editor: Entity<Editor>,
63 _: &mut Window,
64 cx: &mut Context<EncodingIndicator>,
65 ) {
66 let editor = editor.read(cx);
67 if let Some((_, buffer, _)) = editor.active_excerpt(cx) {
68 let encoding = buffer.read(cx).encoding;
69 self.encoding = Some(encoding);
70 }
71
72 cx.notify();
73 }
74}
75
76impl StatusItemView for EncodingIndicator {
77 fn set_active_pane_item(
78 &mut self,
79 active_pane_item: Option<&dyn ItemHandle>,
80 window: &mut Window,
81 cx: &mut Context<Self>,
82 ) {
83 match active_pane_item.and_then(|item| item.downcast::<Editor>()) {
84 Some(editor) => {
85 self.observe = Some(cx.observe_in(&editor, window, Self::update));
86 self.update(editor, window, cx);
87 }
88 None => {
89 self.encoding = None;
90 self.observe = None;
91 }
92 }
93 }
94}
95
96pub fn encoding_name(encoding: &'static dyn Encoding) -> String {
97 let name = encoding.name();
98
99 match () {
100 () if name == UTF_8.name() => "UTF-8",
101 () if name == UTF_16LE.name() => "UTF-16 LE",
102 () if name == UTF_16BE.name() => "UTF-16 BE",
103 () if name == IBM866.name() => "IBM866",
104 () if name == ISO_8859_1.name() => "ISO 8859-1",
105 () if name == ISO_8859_2.name() => "ISO 8859-2",
106 () if name == ISO_8859_3.name() => "ISO 8859-3",
107 () if name == ISO_8859_4.name() => "ISO 8859-4",
108 () if name == ISO_8859_5.name() => "ISO 8859-5",
109 () if name == ISO_8859_6.name() => "ISO 8859-6",
110 () if name == ISO_8859_7.name() => "ISO 8859-7",
111 () if name == ISO_8859_8.name() => "ISO 8859-8",
112 () if name == ISO_8859_10.name() => "ISO 8859-10",
113 () if name == ISO_8859_13.name() => "ISO 8859-13",
114 () if name == ISO_8859_14.name() => "ISO 8859-14",
115 () if name == ISO_8859_15.name() => "ISO 8859-15",
116 () if name == ISO_8859_16.name() => "ISO 8859-16",
117 () if name == KOI8_R.name() => "KOI8-R",
118 () if name == KOI8_U.name() => "KOI8-U",
119 () if name == MAC_ROMAN.name() => "MacRoman",
120 () if name == MAC_CYRILLIC.name() => "Mac Cyrillic",
121 () if name == WINDOWS_874.name() => "Windows-874",
122 () if name == WINDOWS_1250.name() => "Windows-1250",
123 () if name == WINDOWS_1251.name() => "Windows-1251",
124 () if name == WINDOWS_1252.name() => "Windows-1252",
125 () if name == WINDOWS_1253.name() => "Windows-1253",
126 () if name == WINDOWS_1254.name() => "Windows-1254",
127 () if name == WINDOWS_1255.name() => "Windows-1255",
128 () if name == WINDOWS_1256.name() => "Windows-1256",
129 () if name == WINDOWS_1257.name() => "Windows-1257",
130 () if name == WINDOWS_1258.name() => "Windows-1258",
131 () if name == WINDOWS_949.name() => "Windows-949",
132 () if name == EUC_JP.name() => "EUC-JP",
133 () if name == ISO_2022_JP.name() => "ISO 2022-JP",
134 () if name == GBK.name() => "GBK",
135 () if name == GB18030.name() => "GB18030",
136 () if name == BIG5_2003.name() => "Big5",
137 () if name == HZ.name() => "HZ-GB-2312",
138 _ => "",
139 }
140 .to_string()
141}
142
143pub fn encoding_from_index(index: usize) -> &'static dyn Encoding {
144 match index {
145 0 => UTF_8,
146 1 => UTF_16LE,
147 2 => UTF_16BE,
148 3 => IBM866,
149 4 => ISO_8859_1,
150 5 => ISO_8859_2,
151 6 => ISO_8859_3,
152 7 => ISO_8859_4,
153 8 => ISO_8859_5,
154 9 => ISO_8859_6,
155 10 => ISO_8859_7,
156 11 => ISO_8859_8,
157 12 => ISO_8859_10,
158 13 => ISO_8859_13,
159 14 => ISO_8859_14,
160 15 => ISO_8859_15,
161 16 => ISO_8859_16,
162 17 => KOI8_R,
163 18 => KOI8_U,
164 19 => MAC_ROMAN,
165 20 => MAC_CYRILLIC,
166 21 => WINDOWS_874,
167 22 => WINDOWS_1250,
168 23 => WINDOWS_1251,
169 24 => WINDOWS_1252,
170 25 => WINDOWS_1253,
171 26 => WINDOWS_1254,
172 27 => WINDOWS_1255,
173 28 => WINDOWS_1256,
174 29 => WINDOWS_1257,
175 30 => WINDOWS_1258,
176 31 => WINDOWS_949,
177 32 => EUC_JP,
178 33 => ISO_2022_JP,
179 34 => GBK,
180 35 => GB18030,
181 36 => BIG5_2003,
182 37 => HZ,
183 _ => UTF_8,
184 }
185}