From: Michael D. Lowis <mike.lowis@gentex.com>
Date: Wed, 23 Nov 2016 16:50:00 +0000 (-0500)
Subject: Only select previous insert if the top of the undo stack is an insert. Also, lock... 
X-Git-Url: https://git.mdlowis.com/?a=commitdiff_plain;h=756ffbc887c7e55fbb8db9c98010c40d191883fb;p=projs%2Ftide.git

Only select previous insert if the top of the undo stack is an insert. Also, lock the top undo when the selection is changed
---

diff --git a/libedit/buf.c b/libedit/buf.c
index 52e240a..7cf20a7 100644
--- a/libedit/buf.c
+++ b/libedit/buf.c
@@ -407,12 +407,7 @@ unsigned buf_setcol(Buf* buf, unsigned pos, unsigned col) {
 
 void buf_lastins(Buf* buf, size_t* beg, size_t* end) {
     Log* log = buf->undo;
-    while (log) {
-        if (log->insert)
-            break;
-        log = log->next;
-    }
-    if (log) {
+    if (log && log->insert) {
         *beg = log->data.ins.beg;
         *end = log->data.ins.end;
     }
diff --git a/libedit/view.c b/libedit/view.c
index f35634c..422f963 100644
--- a/libedit/view.c
+++ b/libedit/view.c
@@ -290,6 +290,7 @@ static void selcontext(View* view, Sel* sel) {
 }
 
 void view_selword(View* view, size_t row, size_t col) {
+    buf_loglock(&(view->buffer));
     view_setcursor(view, row, col);
     Sel sel = view->selection;
     selbigword(view, &sel);
@@ -298,12 +299,14 @@ void view_selword(View* view, size_t row, size_t col) {
 }
 
 void view_selprev(View* view) {
+    buf_loglock(&(view->buffer));
     Sel sel = view->selection;
     buf_lastins(&(view->buffer), &sel.beg, &sel.end);
     view->selection = sel;
 }
 
 void view_select(View* view, size_t row, size_t col) {
+    buf_loglock(&(view->buffer));
     view_setcursor(view, row, col);
     Sel sel = view->selection;
     selcontext(view, &sel);