master 163000fb59: Remove some more unnecessary calls to block_input

[Po Lu]

branch: master
commit 163000fb5980a0a098d1c4620b88a4717702d779
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Remove some more unnecessary calls to block_input
    
    * src/xterm.c (x_update_opaque_region, show_back_buffer)
    (XTbuffer_flipping_unblocked_hook, x_clear_under_internal_border)
    (x_after_update_window_line): Remove and add calls to
    block_input as required.
---
 src/xterm.c | 25 +++++++------------------
 1 file changed, 7 insertions(+), 18 deletions(-)

diff --git a/src/xterm.c b/src/xterm.c
index a374b13780..21207a3146 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -5139,24 +5139,20 @@ x_update_opaque_region (struct frame *f, XEvent 
*configure)
   if (!FRAME_DISPLAY_INFO (f)->alpha_bits)
     return;
 
-  block_input ();
   if (f->alpha_background < 1.0)
-    XChangeProperty (FRAME_X_DISPLAY (f),
-                    FRAME_X_WINDOW (f),
+    XChangeProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
                     FRAME_DISPLAY_INFO (f)->Xatom_net_wm_opaque_region,
                     XA_CARDINAL, 32, PropModeReplace,
                     NULL, 0);
 #ifndef HAVE_GTK3
   else
-    XChangeProperty (FRAME_X_DISPLAY (f),
-                    FRAME_X_WINDOW (f),
+    XChangeProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
                     FRAME_DISPLAY_INFO (f)->Xatom_net_wm_opaque_region,
                     XA_CARDINAL, 32, PropModeReplace,
                     (unsigned char *) &opaque_region, 4);
 #else
   else if (FRAME_TOOLTIP_P (f))
-    XChangeProperty (FRAME_X_DISPLAY (f),
-                    FRAME_X_WINDOW (f),
+    XChangeProperty (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f),
                     FRAME_DISPLAY_INFO (f)->Xatom_net_wm_opaque_region,
                     XA_CARDINAL, 32, PropModeReplace,
                     (unsigned char *) &opaque_region, 4);
@@ -5174,7 +5170,6 @@ x_update_opaque_region (struct frame *f, XEvent 
*configure)
        }
     }
 #endif
-  unblock_input ();
 }
 
 
@@ -7144,8 +7139,6 @@ show_back_buffer (struct frame *f)
   cairo_t *cr;
 #endif
 
-  block_input ();
-
   if (FRAME_X_DOUBLE_BUFFERED_P (f))
     {
 #if defined HAVE_XSYNC && !defined USE_GTK && defined HAVE_CLOCK_GETTIME
@@ -7174,8 +7167,6 @@ show_back_buffer (struct frame *f)
     }
 
   FRAME_X_NEED_BUFFER_FLIP (f) = false;
-
-  unblock_input ();
 }
 
 #endif
@@ -7283,8 +7274,12 @@ XTframe_up_to_date (struct frame *f)
 static void
 XTbuffer_flipping_unblocked_hook (struct frame *f)
 {
+  block_input ();
+
   if (FRAME_X_NEED_BUFFER_FLIP (f))
     show_back_buffer (f);
+
+  unblock_input ();
 }
 #endif
 
@@ -7313,8 +7308,6 @@ x_clear_under_internal_border (struct frame *f)
            : INTERNAL_BORDER_FACE_ID));
       struct face *face = FACE_FROM_ID_OR_NULL (f, face_id);
 
-      block_input ();
-
       if (face)
        {
          unsigned long color = face->background;
@@ -7335,8 +7328,6 @@ x_clear_under_internal_border (struct frame *f)
          x_clear_area (f, width - border, 0, border, height);
          x_clear_area (f, 0, height - border, width, border);
        }
-
-      unblock_input ();
     }
 }
 
@@ -7384,7 +7375,6 @@ x_after_update_window_line (struct window *w, struct 
glyph_row *desired_row)
              : INTERNAL_BORDER_FACE_ID));
        struct face *face = FACE_FROM_ID_OR_NULL (f, face_id);
 
-       block_input ();
        if (face)
          {
            unsigned long color = face->background;
@@ -7402,7 +7392,6 @@ x_after_update_window_line (struct window *w, struct 
glyph_row *desired_row)
            x_clear_area (f, 0, y, width, height);
            x_clear_area (f, FRAME_PIXEL_WIDTH (f) - width, y, width, height);
          }
-       unblock_input ();
       }
   }
 #endif