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Stop the file tree from centering short folder/file names

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ui.add_sized() centers a widget narrower than the box it's given, and
Button/SelectableLabel size themselves to their actual text — so a
short name in a wide column (a folder with no trailing badges, most
visibly) drifted away from its own indent, landing to the right of
its own deeper children. Pin main_align to the start so every name
sits right after its indent regardless of length.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
landon
2026-10-03 15:32:13 -05:00
parent 8b352d25ed
commit 80f3d50fc4
1 changed files with 42 additions and 10 deletions
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src/app/file_list.rs
+38 -6
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@@ -415,13 +415,32 @@ impl App {
+ if show_tag { tag_w } else { 0.0 };
let name_w =
(row_width - indent - trailing).max(0.0);
// `add_sized` centers a widget
// smaller than the box it's given
// — fine for a fixed-width badge,
// but it let a short folder name
// drift away from the indent that
// was just drawn for it, and
// further than its own deeper
// children whose names fill more
// of their (narrower) box. Pinning
// `main_align` to the start keeps
// the name anchored right after
// the indent regardless of length.
let button_response = ui
.add_sized(
[name_w, 20.0],
.allocate_ui_with_layout(
egui::vec2(name_w, 20.0),
egui::Layout::left_to_right(egui::Align::Center)
.with_main_align(egui::Align::Min),
|ui| {
ui.add(
egui::Button::new(text)
.frame(false)
.truncate(),
)
},
)
.inner
.on_hover_text(&row.path);
if button_response.clicked() {
@@ -563,16 +582,29 @@ impl App {
// file name simply spills out of the
// panel. The wrap mode is what it
// actually reads.
//
// `add_sized` also *centers* a
// widget narrower than the box
// it's given, which drifted short
// file names away from the indent
// just like folder names did —
// `with_main_align(Min)` pins it
// to the start instead.
let mut label = ui
.scope(|ui| {
ui.style_mut().wrap_mode =
Some(egui::TextWrapMode::Truncate);
ui.add_sized(
[label_w, 20.0],
egui::SelectableLabel::new(
ui.allocate_ui_with_layout(
egui::vec2(label_w, 20.0),
egui::Layout::left_to_right(egui::Align::Center)
.with_main_align(egui::Align::Min),
|ui| {
ui.add(egui::SelectableLabel::new(
selected, text,
),
))
},
)
.inner
})
.inner;
if let Some(tooltip) = &tooltip {