github/zyedidia.micro
2
0
Fork 0
mirror of https://github.com/zyedidia/micro.git synced 2026-03-25 18:07:07 +09:00
Code Issues Packages Projects Releases Wiki Activity

implement nano-like page up/page down functionality

Browse Source
This commit is contained in:
Nimish Jha
2024-10-24 08:24:08 +11:00
parent eb880d8841
commit b2dbcb3eab
3 changed files with 41 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
internal/action/actions.go
View File

@@ -1669,63 +1669,77 @@ func (h *BufPane) End() bool {
// PageUp scrolls the view up a page
func (h *BufPane) PageUp() bool {
h.ScrollUp(h.BufView().Height)
pageOverlap := int(h.Buf.Settings["pageoverlap"].(float64))
h.ScrollUp(h.BufView().Height - pageOverlap)
return true
}
// PageDown scrolls the view down a page
func (h *BufPane) PageDown() bool {
h.ScrollDown(h.BufView().Height)
pageOverlap := int(h.Buf.Settings["pageoverlap"].(float64))
h.ScrollDown(h.BufView().Height - pageOverlap)
h.ScrollAdjust()
return true
}
// SelectPageUp selects up one page
func (h *BufPane) SelectPageUp() bool {
pageOverlap := int(h.Buf.Settings["pageoverlap"].(float64))
scrollAmount := h.BufView().Height - pageOverlap
if !h.Cursor.HasSelection() {
h.Cursor.OrigSelection[0] = h.Cursor.Loc
}
h.MoveCursorUp(h.BufView().Height)
h.MoveCursorUp(scrollAmount)
h.Cursor.SelectTo(h.Cursor.Loc)
if h.Cursor.Num == 0 {
h.ScrollUp(scrollAmount)
}
h.Relocate()
return true
}
// SelectPageDown selects down one page
func (h *BufPane) SelectPageDown() bool {
pageOverlap := int(h.Buf.Settings["pageoverlap"].(float64))
scrollAmount := h.BufView().Height - pageOverlap
if !h.Cursor.HasSelection() {
h.Cursor.OrigSelection[0] = h.Cursor.Loc
}
h.MoveCursorDown(h.BufView().Height)
h.MoveCursorDown(scrollAmount)
h.Cursor.SelectTo(h.Cursor.Loc)
if h.Cursor.Num == 0 {
h.ScrollDown(scrollAmount)
h.ScrollAdjust()
}
h.Relocate()
return true
}
// CursorPageUp places the cursor a page up
// CursorPageUp places the cursor a page up,
// moving the view to keep cursor at the same relative position in the view
func (h *BufPane) CursorPageUp() bool {
h.Cursor.Deselect(true)
if h.Cursor.HasSelection() {
h.Cursor.Loc = h.Cursor.CurSelection[0]
h.Cursor.ResetSelection()
h.Cursor.StoreVisualX()
pageOverlap := int(h.Buf.Settings["pageoverlap"].(float64))
scrollAmount := h.BufView().Height - pageOverlap
h.MoveCursorUp(scrollAmount)
if h.Cursor.Num == 0 {
h.ScrollUp(scrollAmount)
}
h.MoveCursorUp(h.BufView().Height)
h.Relocate()
return true
}
// CursorPageDown places the cursor a page up
// CursorPageDown places the cursor a page down,
// moving the view to keep cursor at the same relative position in the view
func (h *BufPane) CursorPageDown() bool {
h.Cursor.Deselect(false)
if h.Cursor.HasSelection() {
h.Cursor.Loc = h.Cursor.CurSelection[1]
h.Cursor.ResetSelection()
h.Cursor.StoreVisualX()
pageOverlap := int(h.Buf.Settings["pageoverlap"].(float64))
scrollAmount := h.BufView().Height - pageOverlap
h.MoveCursorDown(scrollAmount)
if h.Cursor.Num == 0 {
h.ScrollDown(scrollAmount)
h.ScrollAdjust()
}
h.MoveCursorDown(h.BufView().Height)
h.Relocate()
return true
}