From: Po Lu <luangruo@yahoo.com>
Date: Wed, 30 Mar 2022 00:57:23 +0000 (+0800)
Subject: Add some optimizations to ShapeNotify handling
X-Git-Tag: emacs-29.0.90~1931^2~867
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=c52b58d2903e3ff212dc1b9e9316ee26fae5aa66;p=emacs.git

Add some optimizations to ShapeNotify handling

* src/xterm.c (handle_one_xevent): Do bounding rect
optimizations on ShapeNotify events as well.
---

diff --git a/src/xterm.c b/src/xterm.c
index 28311f94e96..a92c34396ca 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -15987,6 +15987,20 @@ handle_one_xevent (struct x_display_info *dpyinfo,
 		      tem->n_input_rects = -1;
 		    }
 
+		  /* And the common case where there is no input rect and the
+		     bouding rect equals the window dimensions.  */
+
+		  if (tem->n_input_rects == -1
+		      && tem->n_bounding_rects == 1
+		      && tem->bounding_rects[0].width == tem->width
+		      && tem->bounding_rects[0].height == tem->height
+		      && tem->bounding_rects[0].x == -tem->border_width
+		      && tem->bounding_rects[0].y == -tem->border_width)
+		    {
+		      xfree (tem->bounding_rects);
+		      tem->n_bounding_rects = -1;
+		    }
+
 		  break;
 		}
 	    }