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simplification of autocomplete code

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This commit is contained in:
Simon Gardling 2022-04-04 17:39:30 -04:00
parent 6041da764b
commit e427e7a04e
2 changed files with 47 additions and 62 deletions
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19
src/suggestions.rs
View File

@ -79,28 +79,9 @@ impl HintEnum<'static> {
}
}
pub fn is_multi(&self) -> bool { matches!(self, HintEnum::Many(_)) }
pub fn ensure_many(&self) -> &[&str] {
match self {
HintEnum::Many(data) => data,
_ => panic!("ensure_many called on non-Many value"),
}
}
pub fn is_some(&self) -> bool { !matches!(self, HintEnum::None) }
pub fn is_none(&self) -> bool { !self.is_some() }
#[allow(dead_code)]
pub fn ensure_single(&self) -> &&str {
match self {
HintEnum::Single(data) => data,
_ => panic!("ensure_single called on non-Single value"),
}
}
#[allow(dead_code)]
pub fn is_single(&self) -> bool { !self.is_multi() }
}
include!(concat!(env!("OUT_DIR"), "/codegen.rs"));

90
src/widgets.rs
View File

@ -66,61 +66,65 @@ impl AutoComplete {
// If in focus and right arrow key was pressed, apply hint
if func_edit_focus {
let mut push_cursor: bool = false;
let apply_key = ui.input().key_pressed(Key::ArrowRight) | enter_pressed | tab_pressed;
if apply_key && let Some(single_hint) = self.hint.get_single() {
push_cursor = true;
new_string = string + &single_hint;
} else if self.hint.is_multi() {
let selections = self.hint.ensure_many();
let max_i = selections.len() as i16 - 1;
let mut i = self.i as i16;
if ui.input().key_pressed(Key::ArrowDown) {
i += 1;
if i > max_i {
i = 0;
}
} else if ui.input().key_pressed(Key::ArrowUp) {
i -= 1;
if 0 > i {
i = max_i
let push_cursor: bool = match self.hint {
HintEnum::Single(hint) => {
if apply_key {
new_string = string + &hint;
true
} else {
false
}
}
HintEnum::Many(hints) => {
let max_i = hints.len() as i16 - 1;
self.i = i as usize;
let mut i = self.i as i16;
// Doesn't need to have a number in id as there should only be 1 autocomplete popup in entire gui
let popup_id = ui.make_persistent_id("autocomplete_popup");
let mut clicked = false;
egui::popup_below_widget(ui, popup_id, &re, |ui| {
for (i, candidate) in selections.iter().enumerate() {
if ui
.selectable_label(i == self.i, *candidate)
.clicked()
{
clicked = true;
self.i = i;
if ui.input().key_pressed(Key::ArrowDown) {
i += 1;
if i > max_i {
i = 0;
}
} else if ui.input().key_pressed(Key::ArrowUp) {
i -= 1;
if 0 > i {
i = max_i
}
}
});
if clicked | apply_key {
new_string += selections[self.i];
push_cursor = true;
self.i = i as usize;
// Doesn't need to have a number in id as there should only be 1 autocomplete
// popup in entire gui
let popup_id = ui.make_persistent_id("autocomplete_popup");
// don't need this here as it simply won't be display next frame in `math_app.rs`
// ui.memory().close_popup();
} else {
ui.memory().open_popup(popup_id);
let mut clicked = false;
egui::popup_below_widget(ui, popup_id, &re, |ui| {
for (i, candidate) in hints.iter().enumerate() {
if ui.selectable_label(i == self.i, *candidate).clicked() {
clicked = true;
self.i = i;
}
}
});
if clicked | apply_key {
new_string += hints[self.i];
// don't need this here as it simply won't be display next
// frame in `math_app.rs` ui.memory().close_popup();
true
} else {
ui.memory().open_popup(popup_id);
false
}
}
}
_ => false,
};
// Push cursor to end if needed
if push_cursor {