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https://github.com/Maks1mS/bubbles.git
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feat: allow to set the height of the item (#155)
* feat: allow to set the height of the item The user might want to show more than 2 lines, and, right now, if they try to do so, things break. Signed-off-by: Carlos A Becker <caarlos0@users.noreply.github.com> * fix: short-circuit if width <= 0 Signed-off-by: Carlos A Becker <caarlos0@users.noreply.github.com> * fix: height check Signed-off-by: Carlos A Becker <caarlos0@users.noreply.github.com>
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@ -3,6 +3,7 @@ package list
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import (
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"fmt"
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"io"
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"strings"
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"github.com/charmbracelet/bubbles/key"
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tea "github.com/charmbracelet/bubbletea"
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@ -86,6 +87,7 @@ type DefaultDelegate struct {
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UpdateFunc func(tea.Msg, *Model) tea.Cmd
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ShortHelpFunc func() []key.Binding
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FullHelpFunc func() [][]key.Binding
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height int
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spacing int
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}
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@ -94,14 +96,22 @@ func NewDefaultDelegate() DefaultDelegate {
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return DefaultDelegate{
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ShowDescription: true,
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Styles: NewDefaultItemStyles(),
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height: 2,
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spacing: 1,
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}
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}
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// SetHeight sets delegate's preferred height.
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func (d *DefaultDelegate) SetHeight(i int) {
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d.height = i
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}
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// Height returns the delegate's preferred height.
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// This has effect only if ShowDescription is true,
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// otherwise height is always 1.
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func (d DefaultDelegate) Height() int {
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if d.ShowDescription {
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return 2 //nolint:gomnd
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return d.height
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}
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return 1
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}
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@ -139,11 +149,23 @@ func (d DefaultDelegate) Render(w io.Writer, m Model, index int, item Item) {
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return
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}
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if m.width <= 0 {
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// short-circuit
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return
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}
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// Prevent text from exceeding list width
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if m.width > 0 {
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textwidth := uint(m.width - s.NormalTitle.GetPaddingLeft() - s.NormalTitle.GetPaddingRight())
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title = truncate.StringWithTail(title, textwidth, ellipsis)
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desc = truncate.StringWithTail(desc, textwidth, ellipsis)
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if d.ShowDescription {
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var lines []string
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for i, line := range strings.Split(desc, "\n") {
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if i >= d.height-1 {
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break
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}
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lines = append(lines, truncate.StringWithTail(line, textwidth, ellipsis))
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}
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desc = strings.Join(lines, "\n")
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}
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// Conditions
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