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Correctly initializes TextArea

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Was in a bad state until the first `layout` phase.
This commit is contained in:
Alexandre Bury 2020-06-16 22:29:42 -07:00
parent e3a266aa0e
commit c10b5e9a1e
1 changed files with 10 additions and 2 deletions
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12
cursive-core/src/views/text_area.rs
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@ -63,7 +63,7 @@ new_default!(TextArea);
impl TextArea { impl TextArea {
/// Creates a new, empty TextArea. /// Creates a new, empty TextArea.
pub fn new() -> Self { pub fn new() -> Self {
TextArea { let mut area = TextArea {
content: String::new(), content: String::new(),
rows: Vec::new(), rows: Vec::new(),
enabled: true, enabled: true,
@ -71,7 +71,12 @@ impl TextArea {
size_cache: None, size_cache: None,
last_size: Vec2::zero(), last_size: Vec2::zero(),
cursor: 0, cursor: 0,
} };
// Make sure we have valid rows, even for empty text.
area.compute_rows(Vec2::new(1, 1));
area
} }
/// Retrieves the content of the view. /// Retrieves the content of the view.
@ -382,6 +387,9 @@ impl TextArea {
/// Fix a damage located at the cursor. /// Fix a damage located at the cursor.
/// ///
/// The only damages are assumed to have occured around the cursor. /// The only damages are assumed to have occured around the cursor.
///
/// This is an optimization to not re-compute the entire rows when an
/// insert happened.
fn fix_damages(&mut self) { fn fix_damages(&mut self) {
if self.size_cache.is_none() { if self.size_cache.is_none() {
// If we don't know our size, we'll get a layout command soon. // If we don't know our size, we'll get a layout command soon.