Browse Source

Document adding TextView.SetMaxLines

tablepad
Trevor Slocum 2 years ago
parent
commit
3feec6ebfb
  1. 1
      CHANGELOG
  2. 35
      textview.go

1
CHANGELOG

@ -1,6 +1,7 @@
v1.4.6 (WIP)
- Add Box.ShowFocus
- Add List.GetOffset, List.SetOffset and List.SetSelectedTextAttributes
- Add TextView.SetMaxLines
- Add Vim-style keybindings to List
- Fix List not updating selected item before calling selected handlers
- Do not handle right click on List when there is no context menu

35
textview.go

@ -136,7 +136,7 @@ type TextView struct {
// The index of the first line shown in the text view.
lineOffset int
// The maximum number of liens the text view will hold (set to 0 for no limit)
// The maximum number of newlines the text view will hold (0 = unlimited).
maxLines int
// If set to true, the text view will always remain at the end of the content.
@ -197,16 +197,13 @@ type TextView struct {
// NewTextView returns a new text view.
func NewTextView() *TextView {
return &TextView{
Box: NewBox(),
highlights: make(map[string]struct{}),
lineOffset: -1,
scrollable: true,
align: AlignLeft,
wrap: true,
textColor: Styles.PrimaryTextColor,
regions: false,
dynamicColors: false,
maxLines: 0,
Box: NewBox(),
highlights: make(map[string]struct{}),
lineOffset: -1,
scrollable: true,
align: AlignLeft,
wrap: true,
textColor: Styles.PrimaryTextColor,
}
}
@ -394,16 +391,18 @@ func (t *TextView) SetHighlightedFunc(handler func(added, removed, remaining []s
}
func (t *TextView) clipBuffer() {
if t.maxLines > 0 {
lenbuf := len(t.buffer)
if lenbuf > t.maxLines {
t.buffer = t.buffer[lenbuf-t.maxLines:]
}
if t.maxLines <= 0 {
return
}
lenbuf := len(t.buffer)
if lenbuf > t.maxLines {
t.buffer = t.buffer[lenbuf-t.maxLines:]
}
}
// SetMaxLines establishes the maximum amount of lines the text view will hold
// before discarding older data from the buffer
// SetMaxLines sets the maximum number of newlines the text view will hold
// before discarding older data from the buffer.
func (t *TextView) SetMaxLines(maxLines int) *TextView {
t.maxLines = maxLines
t.clipBuffer()

Loading…
Cancel
Save