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Speed up snapshot loading; polish help and table bars

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Decompression and checksumming overlap with parsing via a pipe, and a
concrete-typed varint reader removes per-byte interface calls
(0.39s -> 0.29s for 458K nodes).
This commit is contained in:
Andy Dixon
2026-10-02 08:35:47 +01:00
parent 6bb8ddc0f7
commit 71556b76de
5 changed files with 81 additions and 7 deletions
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internal/tui/modals.go
+5 -3
View File
@@ -230,7 +230,7 @@ type helpModal struct{}
func newHelpModal(*Model) modal { return helpModal{} }
func (helpModal) width() int { return 74 }
func (helpModal) width() int { return 78 }
func (helpModal) title() string { return "Keyboard reference" }
func (helpModal) footer(*Model) string { return "Esc close · ↑↓ scroll" }
@@ -246,7 +246,7 @@ func (helpModal) content(m *Model, _ int) []line {
}
out = append(out, styled(s, h))
}
row := func(keys, desc string) { out = append(out, line{{" " + textutil.PadRight(keys, 16), &k}, {desc, &d}}) }
row := func(keys, desc string) { out = append(out, line{{" " + textutil.PadRight(keys, 19), &k}, {desc, &d}}) }
sec("NAVIGATION")
row("↑ ↓ ← → hjkl", "move spatially through the treemap")
row("Enter", "inspect the selected item")
@@ -260,7 +260,9 @@ func (helpModal) content(m *Model, _ int) []line {
row("Esc", "clear the filter")
out = append(out, styled(" ubuntu *.iso size > 5GB ext IN (iso,qcow2) age > 365d", Style{FG: t.Muted}))
out = append(out, styled(" path contains cache AND NOT type = dir owner = andy flag = sparse", Style{FG: t.Muted}))
out = append(out, styled(" fields: "+filter.Fields, Style{FG: t.Muted}))
fields := strings.Fields(filter.Fields)
out = append(out, styled(" fields: "+strings.Join(fields[:7], " "), Style{FG: t.Muted}))
out = append(out, styled(" "+strings.Join(fields[7:], " "), Style{FG: t.Muted}))
out = append(out, styled(" sizes: KiB/MiB/GiB (1024), kB/MB/GB (1000); ages: s min h d w mo y", Style{FG: t.Muted}))
sec("VIEWS")
row("Tab Shift+Tab", "next / previous view")
internal/tui/table.go
+1 -1
View File
@@ -126,7 +126,7 @@ func (tb *table) paint(m *Model, cv *Canvas, r treemap.Rect, cols []column, rows
if !sel && ci < len(row.styles) && row.styles[ci] != nil {
st = *row.styles[ci]
}
if c.title == "" && row.bar >= 0 && c.width > 0 {
if c.title == "" && row.bar >= 0 {
m.paintBar(cv, x, y, w, row.bar, row.barCol, sel)
} else if c.right {
cv.Text(x, y, textutil.PadLeft(s, w), w, st)