mirror of
https://github.com/walles/moar.git
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85 lines
1.6 KiB
Go
85 lines
1.6 KiB
Go
package m
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import (
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"sort"
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"github.com/walles/moar/twin"
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"golang.org/x/exp/maps"
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)
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type PagerModeJumpToMark struct {
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pager *Pager
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}
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func (m PagerModeJumpToMark) drawFooter(_ string, _ string) {
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p := m.pager
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_, height := p.screen.Size()
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pos := 0
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for _, token := range m.getMarkPrompt() {
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p.screen.SetCell(pos, height-1, twin.NewCell(token, twin.StyleDefault))
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pos++
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}
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}
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func (m PagerModeJumpToMark) getMarkPrompt() string {
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// Special case having zero, one or multiple marks
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if len(m.pager.marks) == 0 {
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return "No marks set, press 'm' to set one!"
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}
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if len(m.pager.marks) == 1 {
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for key := range m.pager.marks {
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return "Jump to your mark: " + string(key)
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}
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}
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// Multiple marks, list them
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marks := maps.Keys(m.pager.marks)
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sort.Slice(marks, func(i, j int) bool {
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return marks[i] < marks[j]
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})
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prompt := "Jump to one of these marks: "
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for i, mark := range marks {
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if i > 0 {
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prompt += ", "
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}
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prompt += string(mark)
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}
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return prompt
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}
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func (m PagerModeJumpToMark) onKey(key twin.KeyCode) {
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p := m.pager
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switch key {
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case twin.KeyEnter, twin.KeyEscape:
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// Never mind I
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p.mode = PagerModeViewing{pager: p}
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default:
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// Never mind II
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p.mode = PagerModeViewing{pager: p}
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p.mode.onKey(key)
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}
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}
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func (m PagerModeJumpToMark) onRune(char rune) {
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if len(m.pager.marks) == 0 && char == 'm' {
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//nolint:gosimple // The linter's advice is just wrong here
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m.pager.mode = PagerModeMark{pager: m.pager}
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return
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}
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destination, ok := m.pager.marks[char]
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if ok {
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m.pager.scrollPosition = destination
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}
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//nolint:gosimple // The linter's advice is just wrong here
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m.pager.mode = PagerModeViewing{pager: m.pager}
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}
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