X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=terminal.c;h=2b3ae792c1e5c8ac358c5d399adb3d9f9c2d7107;hb=refs%2Fheads%2Fbranch-0.56;hp=7b56e619413635c3576a83cc9e2d2afcdee0bd04;hpb=b287bd560619987d94775682b65480cf8729d7e1;p=PuTTY.git

diff --git a/terminal.c b/terminal.c
index 7b56e619..2b3ae792 100644
--- a/terminal.c
+++ b/terminal.c
@@ -850,26 +850,29 @@ static void scroll(Terminal *term, int topline, int botline, int lines, int sb)
 	     */
 	    seltop = sb ? -term->savelines : topline;
 
-	    if (term->selstart.y >= seltop &&
-		term->selstart.y <= botline) {
-		term->selstart.y--;
-		if (term->selstart.y < seltop) {
-		    term->selstart.y = seltop;
-		    term->selstart.x = 0;
+	    if (term->selstate != NO_SELECTION) {
+		if (term->selstart.y >= seltop &&
+		    term->selstart.y <= botline) {
+		    term->selstart.y--;
+		    if (term->selstart.y < seltop) {
+			term->selstart.y = seltop;
+			term->selstart.x = 0;
+		    }
 		}
-	    }
-	    if (term->selend.y >= seltop && term->selend.y <= botline) {
-		term->selend.y--;
-		if (term->selend.y < seltop) {
-		    term->selend.y = seltop;
-		    term->selend.x = 0;
+		if (term->selend.y >= seltop && term->selend.y <= botline) {
+		    term->selend.y--;
+		    if (term->selend.y < seltop) {
+			term->selend.y = seltop;
+			term->selend.x = 0;
+		    }
 		}
-	    }
-	    if (term->selanchor.y >= seltop && term->selanchor.y <= botline) {
-		term->selanchor.y--;
-		if (term->selanchor.y < seltop) {
-		    term->selanchor.y = seltop;
-		    term->selanchor.x = 0;
+		if (term->selanchor.y >= seltop &&
+		    term->selanchor.y <= botline) {
+		    term->selanchor.y--;
+		    if (term->selanchor.y < seltop) {
+			term->selanchor.y = seltop;
+			term->selanchor.x = 0;
+		    }
 		}
 	    }
 
@@ -1596,8 +1599,11 @@ void term_out(Terminal *term)
 		term->curs.x--;
 	    term->wrapnext = FALSE;
 	    fix_cpos;
-	    if (!term->cfg.no_dbackspace)    /* destructive bksp might be disabled */
+	    if (!term->cfg.no_dbackspace) {    /* destructive bksp might be disabled */
+		check_boundary(term, term->curs.x, term->curs.y);
+		check_boundary(term, term->curs.x+1, term->curs.y);
 		*term->cpos = (' ' | term->curr_attr | ATTR_ASCII);
+	    }
 	} else
 	    /* Or normal C0 controls. */
 	if ((c & -32) == 0 && term->termstate < DO_CTRLS) {
@@ -1697,7 +1703,7 @@ void term_out(Terminal *term)
 			    term_update(term);
 			}
 		    }
-		    term->disptop = 0;
+		    term->seen_disp_event = TRUE;
 		}
 		break;
 	      case '\b':	      /* BS: Back space */
@@ -3281,6 +3287,7 @@ void term_out(Terminal *term)
     }
 
     term_print_flush(term);
+    logflush(term->logctx);
 }
 
 #if 0
@@ -3429,8 +3436,9 @@ static void do_paint(Terminal *term, Context ctx, int may_optimise)
 	    }
 	    tattr |= (tchar & CSET_MASK);
 	    tchar &= CHAR_MASK;
-	    if ((d[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE)
-		    tattr |= ATTR_WIDE;
+	    if (j < term->cols-1 &&
+		(d[1] & (CHAR_MASK | CSET_MASK)) == UCSWIDE)
+		tattr |= ATTR_WIDE;
 
 	    /* Video reversing things */
 	    if (term->selstate == DRAGGING || term->selstate == SELECTED) {
@@ -3796,9 +3804,13 @@ static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
 void term_copyall(Terminal *term)
 {
     pos top;
+    pos bottom;
+    tree234 *screen = term->screen;
     top.y = -sblines(term);
     top.x = 0;
-    clipme(term, top, term->curs, 0, TRUE);
+    bottom.y = find_last_nonempty_line(term, screen);
+    bottom.x = term->cols;
+    clipme(term, top, bottom, 0, TRUE);
 }
 
 /*
@@ -4792,8 +4804,6 @@ int term_ldisc(Terminal *term, int option)
 
 int term_data(Terminal *term, int is_stderr, const char *data, int len)
 {
-    assert(len > 0);
-
     bufchain_add(&term->inbuf, data, len);
 
     if (!term->in_term_out) {