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indent recognition

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Penwing 2024-01-23 17:44:43 +01:00
parent 467d2b698a
commit 59342fa980
3 changed files with 33 additions and 7 deletions
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2
README.md
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@ -18,3 +18,5 @@ Library subjugation (got the raw files of the egui_code_editor for some internal
Added find and replace function
Added multi line tab and shift+tab
Added Ctrl+E : comment multiline
Fixed Ctr+Z (was already in library, tried to make my own, and then found the better one)
Added indent recognition (when there is a line break, the indentaion level is kept)

4
src/calcifer.rs
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@ -262,7 +262,7 @@ impl super::Calcifer {
let new_tab = tools::Tab {
path: path.into(),
code: fs::read_to_string(path).expect("Not able to read the file"),
code: fs::read_to_string(path).expect("Not able to read the file").replace(" ", "\t"),
language: path.to_str().unwrap().split('.').last().unwrap().into(),
saved: true,
..tools::Tab::default()
@ -271,7 +271,7 @@ impl super::Calcifer {
return tools::TabNumber::from_index(self.tabs.len() - 1)
}
fn new_tab(&mut self) -> tools::TabNumber {
self.tabs.push(tools::Tab::default());
return tools::TabNumber::from_index(self.tabs.len() - 1)

34
src/calcifer/code_editor/mod.rs
View file

@ -268,8 +268,10 @@ impl CodeEditor {
let mut extend : isize = 0;
if output.response.has_focus() && ui.input(|i| i.key_pressed(egui::Key::Enter)) {
println!("line break");
//get previous line number of tabs, and 2 charcters before cursor
if let Some(range) = last_cursor {
(*text, extend) = self.new_line(range.clone(), text.clone());
get_new_cursor = false;
}
}
if output.response.has_focus() && ui.input(|i| i.key_pressed(egui::Key::E) && i.modifiers.ctrl) {
@ -305,16 +307,19 @@ impl CodeEditor {
*last_cursor = output.state.clone().ccursor_range();
} else {
if let Some(cursor_range) = last_cursor.clone() {
let start = min(cursor_range.primary.index, cursor_range.secondary.index);
let mut start = min(cursor_range.primary.index, cursor_range.secondary.index);
let end = max(cursor_range.primary.index, cursor_range.secondary.index);
let extended = match end as isize + extend {
// Check for overflow or negative result
value if value < 0 => 0,
value => value as usize,
};
if start == end {
start = extended;
}
let cursor = Some(CCursorRange {
primary : CCursor::new(start),
secondary : CCursor::new(max(start, extended)),
primary : CCursor::new(start.clone()),
secondary : CCursor::new(max(start.clone(), extended)),
});
output.state.set_ccursor_range(cursor.clone());
output.state.store(ui.ctx(), output.response.id);
@ -409,4 +414,23 @@ impl CodeEditor {
fn delta_char(&self, text : String, modifier: &str) -> isize {
(modifier.len() * text.match_indices(&"\n".to_string()).collect::<Vec<_>>().len()) as isize
}
fn new_line(&self, cursor_range : CCursorRange, text : String) -> (String, isize) {
let cursor = min(cursor_range.primary.index, cursor_range.secondary.index);
let mut last_line_break = max(0, cursor - 1);
while last_line_break > 0 && text.char_at(last_line_break) != '\n' {
last_line_break -= 1;
}
let indent_depth = text.slice(last_line_break..cursor).match_indices(&"\t".to_string()).collect::<Vec<_>>().len();
let new_indent_depth = indent_depth.clone();
let mut new_text : String = text.clone().slice(..(cursor + 1)).to_string();
new_text.push_str(&"\t".repeat(new_indent_depth.clone()));
new_text.push_str(text.clone().slice((cursor + 1)..));
(new_text.clone().to_string(), (new_indent_depth + 1) as isize)
}
}