From 3ddb2ee31639dfb7ce875a882c8afb897901e8dd Mon Sep 17 00:00:00 2001
From: Zachary Yedidia <zyedidia@gmail.com>
Date: Tue, 23 Jun 2020 18:47:42 -0400
Subject: [PATCH] Add Search function to BufPane

---
 internal/action/actions.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/internal/action/actions.go b/internal/action/actions.go
index 9cff5de3..184a57e0 100644
--- a/internal/action/actions.go
+++ b/internal/action/actions.go
@@ -816,6 +816,30 @@ func (h *BufPane) FindLiteral() bool {
 	return h.find(false)
 }
 
+// Search searches for a given string/regex in the buffer and selects the next
+// match if a match is found
+// This function affects lastSearch and lastSearchRegex (saved searches) for
+// use with FindNext and FindPrevious
+func (h *BufPane) Search(str string, useRegex bool, searchDown bool) error {
+	match, found, err := h.Buf.FindNext(str, h.Buf.Start(), h.Buf.End(), h.Cursor.Loc, searchDown, useRegex)
+	if err != nil {
+		return err
+	}
+	if found {
+		h.Cursor.SetSelectionStart(match[0])
+		h.Cursor.SetSelectionEnd(match[1])
+		h.Cursor.OrigSelection[0] = h.Cursor.CurSelection[0]
+		h.Cursor.OrigSelection[1] = h.Cursor.CurSelection[1]
+		h.Cursor.GotoLoc(h.Cursor.CurSelection[1])
+		h.lastSearch = str
+		h.lastSearchRegex = useRegex
+		h.Relocate()
+	} else {
+		h.Cursor.ResetSelection()
+	}
+	return nil
+}
+
 func (h *BufPane) find(useRegex bool) bool {
 	h.searchOrig = h.Cursor.Loc
 	prompt := "Find: "