Fix horizontal scrolling with a wide rune at the right edge of window

This commit is contained in:
Dmitry Maluka
2021-03-03 20:09:35 +01:00
parent cd7ab640c5
commit 0487db8b99

View File

@@ -208,12 +208,17 @@ func (w *BufWindow) Relocate() bool {
// horizontal relocation (scrolling)
if !b.Settings["softwrap"].(bool) {
cx := activeC.GetVisualX()
rw := runewidth.RuneWidth(activeC.RuneUnder(activeC.X))
if rw == 0 {
rw = 1 // tab or newline
}
if cx < w.StartCol {
w.StartCol = cx
ret = true
}
if cx+w.gutterOffset+1 > w.StartCol+w.Width {
w.StartCol = cx - w.Width + w.gutterOffset + 1
if cx+w.gutterOffset+rw > w.StartCol+w.Width {
w.StartCol = cx - w.Width + w.gutterOffset + rw
ret = true
}
}