Mirrored_Repos/veloren
1
0
Fork 0
mirror of https://gitlab.com/veloren/veloren.git synced 2024-08-30 18:12:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

Basic chat window history functionality

Browse Source
This commit is contained in:
tommy 2019-07-12 19:20:38 -04:00 committed by Imbris
parent 8a3ce232fa
commit a63e67b8d9
1 changed files with 64 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
voxygen/src/hud/chat.rs
View File

@ -82,7 +82,9 @@ impl<'a> Chat<'a> {
pub struct State {
messages: VecDeque<ClientEvent>,
input: String,
history: VecDeque<String>,
history_pos: usize,
history_max: usize,
ids: Ids,
}
@ -100,6 +102,9 @@ impl<'a> Widget for Chat<'a> {
State {
input: "".to_owned(),
messages: VecDeque::new(),
history: VecDeque::new(),
history_pos: 0,
history_max: 32,
ids: Ids::new(id_gen),
}
}
@ -266,8 +271,65 @@ impl<'a> Widget for Chat<'a> {
})
{
let msg = state.input.clone();
state.update(|s| s.input.clear());
state.update(|s| {
s.input.clear();
// update the history
s.history.push_front(msg.clone());
s.history_pos = 0;
while s.history.len() > s.history_max {
s.history.pop_back();
}
});
Some(Event::SendMessage(msg))
}
// If up is pressed, use history
else if ui
.widget_input(state.ids.input)
.presses()
.key()
.any(|key_press| match key_press.key {
Key::Up => true,
_ => false,
})
{
state.update(|s| {
if !s.history.is_empty() {
if s.history_pos < s.history.len() {
s.history_pos += 1;
if let Some(string) = s.history.get(s.history_pos - 1) {
s.input.clear();
s.input.push_str(string);
}
}
}
});
None
}
// If down is pressed, use history
else if ui
.widget_input(state.ids.input)
.presses()
.key()
.any(|key_press| match key_press.key {
Key::Down => true,
_ => false,
})
{
state.update(|s| {
if !s.history.is_empty() {
if s.history_pos > 1 {
s.history_pos -= 1;
s.input.clear();
if let Some(string) = s.history.get(s.history_pos - 1) {
s.input.push_str(string);
}
} else {
s.history_pos = 0;
s.input.clear();
}
}
});
None
} else {
None
}