47 lines
1.4 KiB
Go
47 lines
1.4 KiB
Go
package browser
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import "strings"
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// HandleSearch filters entries by the given query string.
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// It performs case-insensitive substring matching across all loaded pages.
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// When query is empty, search results are cleared.
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// When results are found, ScrollOffset is set to jump to the first match.
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func HandleSearch(s *BrowserState, query string) {
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s.Query = query
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// Empty query clears search results; leave ScrollOffset unchanged.
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if query == "" {
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s.SearchResults = nil
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s.ScrollOffset = 0 // Reset scroll offset when search is cleared
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return
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}
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var results []int
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queryLower := strings.ToLower(query)
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// Iterate over all loaded pages in order (map iteration is non-deterministic).
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totalPages := (s.TotalEntries + PageSize - 1) / PageSize
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for pageIdx := 0; pageIdx < totalPages; pageIdx++ {
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page, ok := s.Pages[pageIdx]
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if !ok || !page.Loaded {
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continue
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}
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// Compute the global start index for this page.
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startIdx := pageIdx * PageSize
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for i, entry := range page.Entries {
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globalIdx := startIdx + i
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if strings.Contains(strings.ToLower(entry.Name), queryLower) {
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results = append(results, globalIdx)
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}
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}
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}
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s.SearchResults = results
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// Jump to first result if any matches found.
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if len(results) > 0 {
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s.ScrollOffset = float64(results[0]) * s.EntryHeight
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clampScrollOffset(s) // Ensure scroll offset is clamped after jumping
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}
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}
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