Update docs/usage for 'plink -shareexists'.

[PuTTY.git] / terminal.c

diff --git a/terminal.c b/terminal.c
index dc727238a8236a7644b5e88469dc3fed7f8456e7..ca47c8335f79eabaf581bd71b8b55f28b8718ee6 100644 (file)
--- a/terminal.c
+++ b/terminal.c
@@ -6043,7 +6043,8 @@ void term_mouse(Terminal *term, Mouse_Button braw, Mouse_Button bcooked,
            } else if (c <= 223 && r <= 223) {
                len = sprintf(abuf, "\033[M%c%c%c", encstate + 32, c + 32, r + 32);
            }
-           ldisc_send(term->ldisc, abuf, len, 0);
+            if (len > 0)
+                ldisc_send(term->ldisc, abuf, len, 0);
        }
        return;
     }
@@ -6077,6 +6078,19 @@ void term_mouse(Terminal *term, Mouse_Button braw, Mouse_Button bcooked,
        sel_spread(term);
     } else if ((bcooked == MBT_SELECT && a == MA_DRAG) ||
               (bcooked == MBT_EXTEND && a != MA_RELEASE)) {
+        if (a == MA_DRAG &&
+            (term->selstate == NO_SELECTION || term->selstate == SELECTED)) {
+            /*
+             * This can happen if a front end has passed us a MA_DRAG
+             * without a prior MA_CLICK. OS X GTK does so, for
+             * example, if the initial button press was eaten by the
+             * WM when it activated the window in the first place. The
+             * nicest thing to do in this situation is to ignore
+             * further drags, and wait for the user to click in the
+             * window again properly if they want to select.
+             */
+            return;
+        }
        if (term->selstate == ABOUT_TO && poseq(term->selanchor, selpoint))
            return;
        if (bcooked == MBT_EXTEND && a != MA_DRAG &&