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Add --hscroll-off=COL option

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Close #513
This commit is contained in:
Junegunn Choi
2016-03-02 03:06:21 +09:00
parent cf8afc527e
commit 2ccdf21a1f
5 changed files with 43 additions and 5 deletions
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9
src/terminal.go
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@@ -26,6 +26,7 @@ type Terminal struct {
prompt string
reverse bool
hscroll bool
hscrollOff int
cx int
cy int
offset int
@@ -210,6 +211,7 @@ func NewTerminal(opts *Options, eventBox *util.EventBox) *Terminal {
prompt: opts.Prompt,
reverse: opts.Reverse,
hscroll: opts.Hscroll,
hscrollOff: opts.HscrollOff,
cx: len(input),
cy: 0,
offset: 0,
@@ -556,11 +558,9 @@ func trimLeft(runes []rune, width int) ([]rune, int32) {
}
func (t *Terminal) printHighlighted(item *Item, bold bool, col1 int, col2 int, current bool) {
var maxe int32
var maxe int
for _, offset := range item.offsets {
if offset[1] > maxe {
maxe = offset[1]
}
maxe = util.Max(maxe, int(offset[1]))
}
// Overflow
@@ -568,6 +568,7 @@ func (t *Terminal) printHighlighted(item *Item, bold bool, col1 int, col2 int, c
copy(text, item.text)
offsets := item.colorOffsets(col2, bold, current)
maxWidth := C.MaxX() - 3 - t.marginInt[1] - t.marginInt[3]
maxe = util.Constrain(maxe+util.Min(maxWidth/2-2, t.hscrollOff), 0, len(text))
fullWidth := displayWidth(text)
if fullWidth > maxWidth {
if t.hscroll {