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<TAB> key press inserts '\t' character in code editor as indentation #2747

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<TAB> key press inserts '\t' character in code editor as indentation #2747

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19 changes: 19 additions & 0 deletions rust/perspective-viewer/src/rust/components/form/code_editor.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,25 @@ fn on_keydown(event: KeyboardEvent, deps: &(UseStateSetter<u32>, Callback<()>))
if event.shift_key() && event.key_code() == 13 {
event.prevent_default();
deps.1.emit(())
}

// handle the tab key press
if event.key() == "Tab" {
event.prevent_default();

let caret_pos = elem.selection_start().unwrap().unwrap_or_default() as usize;

let mut initial_text = elem.value();

// insert "\t" at the caret_pos
initial_text.insert_str(caret_pos, "\t");

elem.set_value(&initial_text);

// place caret after inserted tab
let new_caret_pos = Some((caret_pos + 1) as u32).unwrap_or_default();
let _ = elem.set_selection_range(new_caret_pos, new_caret_pos);

}
}

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