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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
use {
super::*,
crate::{
app::{
AppContext,
AppState,
},
display::W,
errors::ProgramError,
keys,
skin::PanelSkin,
verb::Internal,
},
termimad::{Area, Event, InputField},
};
/// wrap the input of a panel,
/// receive events and make commands
pub struct PanelInput {
pub input_field: InputField,
tab_cycle_count: usize,
input_before_cycle: Option<String>,
}
impl PanelInput {
pub fn new(area: Area) -> Self {
Self {
input_field: InputField::new(area),
tab_cycle_count: 0,
input_before_cycle: None,
}
}
pub fn set_content(&mut self, content: &str) {
self.input_field.set_content(content);
}
pub fn get_content(&self) -> String {
self.input_field.get_content()
}
pub fn display(
&mut self,
w: &mut W,
active: bool,
area: Area,
panel_skin: &PanelSkin,
) -> Result<(), ProgramError> {
self.input_field.set_normal_style(panel_skin.styles.input.clone());
self.input_field.focused = active;
self.input_field.area = area;
self.input_field.display_on(w)?;
Ok(())
}
/// consume the event to
/// - maybe change the input
/// - build a command
pub fn on_event(
&mut self,
w: &mut W,
event: Event,
con: &AppContext,
state: &dyn AppState,
) -> Result<Command, ProgramError> {
let cmd = self.get_command(event, con, state);
self.input_field.display_on(w)?;
Ok(cmd)
}
/// consume the event to
/// - maybe change the input
/// - build a command
fn get_command(
&mut self,
event: Event,
con: &AppContext,
state: &dyn AppState,
) -> Command {
match event {
Event::Click(x, y, ..) => {
return if self.input_field.apply_event(&event) {
Command::empty()
} else {
Command::Click(x, y)
};
}
Event::DoubleClick(x, y) => {
return Command::DoubleClick(x, y);
}
Event::Key(key) => {
// value of raw and parts before any key related change
let raw = self.input_field.get_content();
let parts = CommandParts::from(raw.clone());
// we first handle the cases that MUST absolutely
// not be overriden by configuration
if key == keys::ESC {
self.tab_cycle_count = 0;
if let Some(raw) = self.input_before_cycle.take() {
// we cancel the tab cycling
self.input_field.set_content(&raw);
self.input_before_cycle = None;
return Command::from_raw(raw, false);
} else {
self.input_field.set_content("");
let internal = Internal::back;
return Command::Internal {
internal,
input_invocation: parts.verb_invocation,
};
}
}
// tab completion
if key == keys::TAB {
if parts.verb_invocation.is_some() {
let parts_before_cycle;
let completable_parts = if let Some(s) = &self.input_before_cycle {
parts_before_cycle = CommandParts::from(s.clone());
&parts_before_cycle
} else {
&parts
};
let completions = Completions::for_input(completable_parts, con, state);
let added = match completions {
Completions::None => {
debug!("nothing to complete!"); // where to tell this ? input field or status ?
self.tab_cycle_count = 0;
self.input_before_cycle = None;
None
}
Completions::Common(completion) => {
self.tab_cycle_count = 0;
Some(completion)
}
Completions::List(mut completions) => {
let idx = self.tab_cycle_count % completions.len();
if self.tab_cycle_count == 0 {
self.input_before_cycle = Some(raw.to_string());
}
self.tab_cycle_count += 1;
Some(completions.swap_remove(idx))
}
};
if let Some(added) = added {
let mut raw = self.input_before_cycle.as_ref().map_or(raw, |s| s.to_string());
raw.push_str(&added);
self.input_field.set_content(&raw);
return Command::from_raw(raw, false);
} else {
return Command::None;
}
}
} else {
self.tab_cycle_count = 0;
self.input_before_cycle = None;
}
if key == keys::ENTER && parts.verb_invocation.is_some() {
return Command::from_parts(parts, true);
}
if key == keys::QUESTION && (raw.is_empty() || parts.verb_invocation.is_some()) {
// a '?' opens the help when it's the first char
// or when it's part of the verb invocation
return Command::Internal {
internal: Internal::help,
input_invocation: parts.verb_invocation,
};
}
// we now check if the key is the trigger key of one of the verbs
let selection_type = state.selection_type();
for (index, verb) in con.verb_store.verbs.iter().enumerate() {
for verb_key in &verb.keys {
if *verb_key == key {
if selection_type.respects(verb.selection_condition) {
return Command::VerbTrigger {
index,
input_invocation: parts.verb_invocation,
};
} else {
debug!("verb not allowed on current selection");
}
}
}
}
if key == keys::LEFT && raw.is_empty() {
let internal = Internal::back;
return Command::Internal {
internal,
input_invocation: parts.verb_invocation,
};
}
if key == keys::RIGHT && raw.is_empty() {
return Command::Internal {
internal: Internal::open_stay,
input_invocation: None,
};
}
// input field management
if self.input_field.apply_event(&event) {
return Command::from_raw(self.input_field.get_content(), false);
}
}
Event::Wheel(lines_count) => {
let internal = if lines_count > 0 {
Internal::line_down
} else {
Internal::line_up
};
return Command::Internal {
internal,
input_invocation: None,
};
}
_ => {}
}
Command::None
}
}
|
