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input: Fix wrap text not draw in multi-line mode. (#998)

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Close #997 


https://github.com/user-attachments/assets/6ad9f431-b5a2-42f1-93e6-6425f0851898
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Jason Lee 2025-06-23 18:14:29 +08:00 committed by GitHub
parent 7360d2834d
commit 3a6741f990
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GPG key ID: B5690EEEBB952194
1 changed files with 8 additions and 5 deletions
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13
crates/ui/src/input/element.rs
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@ -333,14 +333,15 @@ impl TextElement {
&self,
state: &InputState,
line_height: Pixels,
bounds: &Bounds<Pixels>,
input_height: Pixels,
) -> Range<usize> {
if state.is_single_line() {
return 0..1;
}
let scroll_top = -state.scroll_handle.offset().y;
let mut visible_range = 0..state.text_wrapper.lines.len();
let total_lines = state.text_wrapper.lines.len();
let mut visible_range = 0..total_lines;
let mut line_top = px(0.);
for (ix, line) in state.text_wrapper.lines.iter().enumerate() {
line_top += line.height(line_height);
@ -348,8 +349,9 @@ impl TextElement {
if line_top < scroll_top {
visible_range.start = ix;
}
if line_top > scroll_top + bounds.size.height {
visible_range.end = ix;
if line_top > scroll_top + input_height {
visible_range.end = (ix + 1).min(total_lines);
break;
}
}
@ -536,7 +538,7 @@ impl Element for TextElement {
let state = self.input.read(cx);
let line_height = window.line_height();
let visible_range = self.calculate_visible_range(&state, line_height, &bounds);
let visible_range = self.calculate_visible_range(&state, line_height, bounds.size.height);
let highlight_styles = self.highlight_lines(&visible_range, cx);
let multi_line = self.input.read(cx).is_multi_line();
@ -910,6 +912,7 @@ impl Element for TextElement {
// Paint text
let mut offset_y = mask_offset_y + invisible_top_padding;
for line in prepaint
.last_layout
.iter()