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Fix block cursor obscuring placeholder text and editor text in some cases #18114

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merged 4 commits into from
Oct 15, 2024
Merged

Fix block cursor obscuring placeholder text and editor text in some cases #18114

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57cab00
Fix first character of placeholder_text not visible with block cursor
thataboy Sep 19, 2024
ebddc38
Fix block text not visible in some editors with transparent black bac…
thataboy Sep 19, 2024
16df9fc
Set block cursor text color based on theme appearance (light or dark).
thataboy Oct 1, 2024
a174cb8
Use editor.background color for block_text if alpha >= 0.75
thataboy Oct 15, 2024
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21 changes: 16 additions & 5 deletions crates/editor/src/element.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1012,8 +1012,20 @@ impl EditorElement {
block_width = em_width;
}
let block_text = if let CursorShape::Block = selection.cursor_shape {
snapshot.display_chars_at(cursor_position).next().and_then(
|(character, _)| {
snapshot
.display_chars_at(cursor_position)
.next()
.or_else(|| {
if cursor_column == 0 {
snapshot
.placeholder_text()
.and_then(|s| s.chars().next())
.map(|c| (c, cursor_position))
} else {
None
}
})
.and_then(|(character, _)| {
let text = if character == '\n' {
SharedString::from(" ")
} else {
Expand All @@ -1035,15 +1047,14 @@ impl EditorElement {
&[TextRun {
len,
font,
color: self.style.background,
color: cx.theme().colors().editor_background,
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Here editor_background may give you a value like hsla(0.,0.,0.,0.) in some themes. I assume this will make the text vanish, so we should have some sort of check to ensure this is a color that is at least partially opaque.

background_color: None,
strikethrough: None,
underline: None,
}],
)
.log_err()
},
)
})
} else {
None
};
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