1
2use gtk::prelude::*;
3use gdk;
4use gdk::EventKey;
5use phf;
6use neovim_lib::{Neovim, NeovimApi};
7
8include!(concat!(env!("OUT_DIR"), "/key_map_table.rs"));
9
10
11pub fn keyval_to_input_string(in_str: &str, in_state: gdk::ModifierType) -> String {
12 let mut val = in_str;
13 let mut state = in_state;
14 let mut input = String::new();
15
16 debug!("keyval -> {}", in_str);
17
18 if state.contains(gdk::ModifierType::CONTROL_MASK) && !state.contains(gdk::ModifierType::SHIFT_MASK) &&
20 !state.contains(gdk::ModifierType::MOD1_MASK)
21 {
22 if val == "6" {
23 val = "^";
24 } else if val == "2" {
25 val = "@";
26 }
27 }
28
29 let chars: Vec<char> = in_str.chars().collect();
30
31 if chars.len() == 1 {
32 let ch = chars[0];
33
34 if ch.is_ascii() && !ch.is_alphanumeric() {
36 state.remove(gdk::ModifierType::SHIFT_MASK);
37 }
38 }
39
40 if val == "<" {
41 val = "lt";
42 }
43
44 if state.contains(gdk::ModifierType::SHIFT_MASK) {
45 input.push_str("S-");
46 }
47 if state.contains(gdk::ModifierType::CONTROL_MASK) {
48 input.push_str("C-");
49 }
50 if state.contains(gdk::ModifierType::MOD1_MASK) {
51 input.push_str("A-");
52 }
53
54 input.push_str(val);
55
56 if input.chars().count() > 1 {
57 format!("<{}>", input)
58 } else {
59 input
60 }
61}
62
63pub fn convert_key(ev: &EventKey) -> Option<String> {
64 let keyval = ev.get_keyval();
65 let state = ev.get_state();
66 if let Some(ref keyval_name) = gdk::keyval_name(keyval) {
67 if let Some(cnvt) = KEYVAL_MAP.get(keyval_name as &str).cloned() {
68 return Some(keyval_to_input_string(cnvt, state));
69 }
70 }
71
72 if let Some(ch) = gdk::keyval_to_unicode(keyval) {
73 Some(keyval_to_input_string(&ch.to_string(), state))
74 } else {
75 None
76 }
77}
78
79pub fn im_input(nvim: &mut Neovim, input: &str) {
80 debug!("nvim_input -> {}", input);
81
82 let input: String = input
83 .chars()
84 .map(|ch| {
85 keyval_to_input_string(&ch.to_string(), gdk::ModifierType::empty())
86 })
87 .collect();
88 nvim.input(&input).expect("Error run input command to nvim");
89}
90
91pub fn gtk_key_press(nvim: &mut Neovim, ev: &EventKey) -> Inhibit {
92 if let Some(input) = convert_key(ev) {
93 debug!("nvim_input -> {}", input);
94 nvim.input(&input).expect("Error run input command to nvim");
95 Inhibit(true)
96 } else {
97 Inhibit(false)
98 }
99}