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
|
use super::*;
/// Held second press. Keep only one row read in flight and use the latest
/// pointer position when it returns, so remote latency cannot queue up motion.
#[derive(Debug)]
pub(super) struct ClientWordSelection {
pub(super) pane_id: String,
pub(super) focus_confirmed: bool,
anchor: (u32, u16),
anchor_bounds: Option<(u16, u16)>,
cursor: (u32, u16),
end_col: u16,
content_revision: Option<u64>,
cached_row: Option<(u32, String)>,
pending_row: Option<u32>,
pub(super) dragged: bool,
pub(super) released: bool,
}
impl ClientShellState {
pub(super) fn request_word_selection(
&mut self,
hit: &PaneHit,
viewport_row: u16,
col: u16,
outcome: &mut ClientShellInput,
) {
let row = crate::selection::absolute_row_for_viewport(viewport_row, hit.scroll);
self.word_selection_generation = self.word_selection_generation.saturating_add(1);
self.word_selection_gesture = Some(ClientWordSelection {
pane_id: hit.pane_id.clone(),
focus_confirmed: self
.snapshot
.as_deref()
.and_then(|snapshot| snapshot.focused_pane_id.as_deref())
== Some(hit.pane_id.as_str()),
anchor: (row, col),
anchor_bounds: None,
cursor: (row, col),
end_col: hit.inner_rect.width.saturating_sub(1),
content_revision: self.pane_surface.as_ref().and_then(|surface| {
surface
.panes
.iter()
.find(|pane| pane.pane_id == hit.pane_id)
.map(|pane| pane.content_revision)
}),
cached_row: None,
pending_row: None,
dragged: false,
released: false,
});
self.request_word_selection_row(row, outcome);
}
fn cancel_word_selection(&mut self) {
self.word_selection_gesture = None;
self.selection = None;
self.stop_selection_autoscroll();
}
fn request_word_selection_row(&mut self, row: u32, outcome: &mut ClientShellInput) {
let Some(gesture) = self.word_selection_gesture.as_mut() else {
return;
};
if gesture.pending_row.is_some() {
return;
}
gesture.pending_row = Some(row);
let pane_id = gesture.pane_id.clone();
let params = crate::api::schema::PaneSelectionReadParams {
pane_id: pane_id.clone(),
anchor: crate::api::schema::PaneTextPoint { row, col: 0 },
cursor: crate::api::schema::PaneTextPoint {
row,
col: gesture.end_col,
},
content_revision: gesture.content_revision,
};
if !self.push_endpoint_method_with_kind(
crate::api::schema::Method::PaneSelectionRead(params),
PendingEndpointKind::WordSelection {
pane_id,
absolute_row: row,
generation: self.word_selection_generation,
},
outcome,
) {
self.cancel_word_selection();
}
}
pub(super) fn drag_word_selection(
&mut self,
cursor: (u32, u16),
outcome: &mut ClientShellInput,
) {
let Some(gesture) = self.word_selection_gesture.as_mut() else {
return;
};
if gesture.released || gesture.cursor == cursor {
return;
}
gesture.cursor = cursor;
gesture.dragged = true;
self.update_word_selection(outcome);
}
pub(super) fn finish_word_selection(&mut self, outcome: &mut ClientShellInput) {
self.stop_selection_autoscroll();
if let Some(gesture) = self.word_selection_gesture.as_mut() {
gesture.released = true;
}
// A pending row reply will finish the selection if its bounds are not ready yet.
self.update_word_selection(outcome);
}
fn update_word_selection(&mut self, outcome: &mut ClientShellInput) {
let Some(gesture) = self.word_selection_gesture.as_ref() else {
return;
};
let Some((anchor_start, anchor_end)) = gesture.anchor_bounds else {
return;
};
let Some((_, text)) = gesture
.cached_row
.as_ref()
.filter(|(row, _)| *row == gesture.cursor.0)
else {
self.request_word_selection_row(gesture.cursor.0, outcome);
return;
};
let (start_col, end_col) =
crate::app::actions::word_bounds_at_column(text, gesture.cursor.1)
.unwrap_or((gesture.cursor.1, gesture.cursor.1));
let start = (gesture.anchor.0, anchor_start).min((gesture.cursor.0, start_col));
let end = (gesture.anchor.0, anchor_end).max((gesture.cursor.0, end_col));
self.selection = Some(crate::selection::Selection::absolute_range(
gesture.pane_id.clone(),
start,
end,
));
if gesture.released {
let dragged = gesture.dragged;
if let Some(selection) = self.selection.as_mut() {
selection.finish();
}
self.word_selection_gesture = None;
if self.config.copy_on_select {
self.request_selection_copy(outcome, false);
if dragged {
self.selection = None;
} else {
self.selection_highlight_clear_deadline =
Some(std::time::Instant::now() + std::time::Duration::from_millis(500));
}
}
}
outcome.repaint = true;
}
pub(super) fn complete_word_selection_row(
&mut self,
pane_id: String,
absolute_row: u32,
generation: u64,
result: Result<crate::api::schema::ResponseResult, ClientShellEndpointError>,
) -> (bool, Vec<ClientShellAction>) {
if self.word_selection_generation != generation
|| self.word_selection_gesture.as_ref().is_none_or(|gesture| {
gesture.pane_id != pane_id || gesture.pending_row != Some(absolute_row)
})
{
return (false, Vec::new());
}
if self
.snapshot
.as_deref()
.is_none_or(|snapshot| !snapshot.panes.iter().any(|pane| pane.pane_id == pane_id))
{
self.cancel_word_selection();
return (true, Vec::new());
}
let text = match result {
Ok(crate::api::schema::ResponseResult::PaneSelection {
pane_id: returned_pane_id,
text,
}) if returned_pane_id == pane_id => text,
other => {
if matches!(other, Ok(value) if !matches!(value, crate::api::schema::ResponseResult::PaneSelection { .. }))
{
self.set_endpoint_error(
"endpoint returned an unexpected word-selection result",
);
}
self.cancel_word_selection();
return (true, Vec::new());
}
};
let Some(gesture) = self.word_selection_gesture.as_mut() else {
return (false, Vec::new());
};
gesture.pending_row = None;
if gesture.anchor_bounds.is_none() {
gesture.anchor_bounds =
crate::app::actions::word_bounds_at_column(&text, gesture.anchor.1);
if gesture.anchor_bounds.is_none() {
self.cancel_word_selection();
return (true, Vec::new());
}
}
gesture.cached_row = Some((absolute_row, text));
let mut outcome = ClientShellInput::default();
self.update_word_selection(&mut outcome);
(outcome.repaint, outcome.actions)
}
}
|
