1 files changed, 8 insertions, 2 deletions

diff --git a/st.c b/st.c
index 46f6d5b..e193443 100644
--- a/st.c
+++ b/st.c
@@ -463,6 +463,9 @@ bpress(XEvent *e) {
         if(IS_SET(MODE_MOUSE))
                 mousereport(e);
         else if(e->xbutton.button == Button1) {
+                if(sel.bx != -1)
+                        for(int i=sel.b.y; i<=sel.e.y; i++)
+                                term.dirty[i] = 1;
                 sel.mode = 1;
                 sel.ex = sel.bx = X2COL(e->xbutton.x);
                 sel.ey = sel.by = Y2ROW(e->xbutton.y);
@@ -583,6 +586,7 @@ brelease(XEvent *e) {
         else if(e->xbutton.button == Button1) {
                 sel.mode = 0;
                 getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
+                term.dirty[sel.ey] = 1;
                 if(sel.bx == sel.ex && sel.by == sel.ey) {
                         struct timeval now;
                         sel.bx = -1;
@@ -627,7 +631,9 @@ bmotion(XEvent *e) {
                 if(oldey != sel.ey || oldex != sel.ex) {
                         int starty = MIN(oldey, sel.ey);
                         int endy = MAX(oldey, sel.ey);
-                        drawregion(0, (starty > 0 ? starty : 0), term.col, (endy < term.row ? endy+1 : term.row));
+                        for(int i=starty; i<=endy; i++)
+                                term.dirty[i] = 1;
+                        draw();
                 }
         }
 }
@@ -1855,7 +1861,7 @@ drawregion(int x1, int y1, int x2, int y2) {
                         xdraws(buf, base, ox, y, ic, ib);
         }
         xdrawcursor();
-        XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, x1*xw.cw, y1*xw.ch, (x2-1)*xw.cw, (y2-1)*xw.ch, BORDER, BORDER);
+        XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, x1*xw.cw, y1*xw.ch, x2*xw.cw, y2*xw.ch, BORDER, BORDER);
 }
 
 void