(dumpglyphs): Check the dimension of FONT while

setting `byte1' and `byte2' members of *CP.

(XTread_socket): Trap the BadMatch error that can occur
after a XSetInputFocus if window is not visible.

1 files changed, 28 insertions, 9 deletions

diff --git a/src/xterm.c b/src/xterm.c
index 573f939d836..b79a32954c8 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -733,7 +733,12 @@ dumpglyphs (f, left, top, gp, n, hl, just_foreground, cmpcharp)
                       ccl->reg[0] = charset;
                       ccl->reg[1] = cp->byte2;
                       ccl_driver (ccl, NULL, NULL, 0, 0, NULL);
-                      cp->byte2 = ccl->reg[1];
+                      /* We assume that MSBs are appropriately
+                         set/reset by CCL program.  */
+                      if (font->max_byte1 == 0) /* 1-byte font */
+                        cp->byte2 = ccl->reg[1];
+                      else
+                        cp->byte1 = ccl->reg[1], cp->byte2 = ccl->reg[2];
                     }
                 else
                   for (cp = x_2byte_buffer; cp < x_2byte_buffer + len; cp++)
@@ -741,7 +746,12 @@ dumpglyphs (f, left, top, gp, n, hl, just_foreground, cmpcharp)
                       ccl->reg[0] = charset;
                       ccl->reg[1] = cp->byte1, ccl->reg[2] = cp->byte2;
                       ccl_driver (ccl, NULL, NULL, 0, 0, NULL);
-                      cp->byte1 = ccl->reg[1], cp->byte2 = ccl->reg[2];
+                      /* We assume that MSBs are appropriately
+                         set/reset by CCL program.  */
+                      if (font->max_byte1 == 0) /* 1-byte font */
+                        cp->byte2 = ccl->reg[1];
+                      else
+                        cp->byte1 = ccl->reg[1], cp->byte2 = ccl->reg[2];
                     }
               }
             else if (fontp->encoding[charset])
@@ -3825,19 +3835,28 @@ XTread_socket (sd, bufp, numchars, expected)
                            could be the shell widget window
                            if the frame has no title bar.  */
                         f = x_any_window_to_frame (dpyinfo, event.xclient.window);
-                        /* Since we set WM_TAKE_FOCUS, we must call
-                           XSetInputFocus explicitly.  But not if f is null,
-                           since that might be an event for a deleted frame.  */
 #ifdef HAVE_X_I18N
                         /* Not quite sure this is needed -pd */
                         if (f && FRAME_XIC (f))
                           XSetICFocus (FRAME_XIC (f));
 #endif
+                        /* Since we set WM_TAKE_FOCUS, we must call
+                           XSetInputFocus explicitly.  But not if f is null,
+                           since that might be an event for a deleted frame.  */
                         if (f)
-                          XSetInputFocus (event.xclient.display,
-                                          event.xclient.window,
-                                          RevertToPointerRoot,
-                                          event.xclient.data.l[1]);
+                          {
+                            Display *d = event.xclient.display;
+                            /* Catch and ignore errors, in case window has been
+                               iconified by a window manager such as GWM.  */
+                            int count = x_catch_errors (d);
+                            XSetInputFocus (d, event.xclient.window,
+                                            RevertToPointerRoot,
+                                            event.xclient.data.l[1]);
+                            /* This is needed to detect the error
+                               if there is an error.  */
+                            XSync (d, False);
+                            x_uncatch_errors (d, count);
+                          }  
                         /* Not certain about handling scroll bars here */
                       }
                     else if (event.xclient.data.l[0]