From 56f5cf72768476534f8e117e6e4ffad6a027e84f Mon Sep 17 00:00:00 2001
From: wailo <wailo_2@hotmail.com>
Date: Fri, 3 May 2019 15:50:55 +0000
Subject: [PATCH] Improving preview functionality. No buffer switch. (#93)

* Improving preview functionality. No buffer switch.

- Using temp buffer instead of new buffer.
- Windows layout is retained. No need to switch buffer after every preview
---
 plantuml-mode.el | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/plantuml-mode.el b/plantuml-mode.el
index 2cf2cf6..fe2e3c0 100644
--- a/plantuml-mode.el
+++ b/plantuml-mode.el
@@ -285,10 +285,11 @@ to choose where to display it:
                                 (switch-to-buffer-other-frame plantuml-preview-buffer))
                                ((= prefix 4)
                                 (switch-to-buffer-other-window plantuml-preview-buffer))
-                               (t (switch-to-buffer plantuml-preview-buffer)))
+                               (t (display-buffer plantuml-preview-buffer)))
                               (when imagep
-                                (image-mode)
-                                (set-buffer-multibyte t)))))))
+                                (with-current-buffer plantuml-preview-buffer
+                                  (image-mode)
+                                  (set-buffer-multibyte t))))))))
 
 (defun plantuml-preview-buffer (prefix)
   "Preview diagram from the PlantUML sources in the current buffer.