[evolution] EMsgComposer - Prefer the plain text over HTML when pasting in plain text mode

[Tomas Popela <tpopela src gnome org>]

commit aa46f2d7784d2b953db6e8778858088712724201
Author: Tomas Popela <tpopela redhat com>
Date:   Fri Oct 23 09:19:24 2015 +0200

    EMsgComposer - Prefer the plain text over HTML when pasting in plain text mode
    
    But only when not pasting content from composer.

 composer/e-msg-composer.c |   32 +++++++++++++++++++++++++-------
 1 files changed, 25 insertions(+), 7 deletions(-)
---
diff --git a/composer/e-msg-composer.c b/composer/e-msg-composer.c
index 9c7c67f..66760e2 100644
--- a/composer/e-msg-composer.c
+++ b/composer/e-msg-composer.c
@@ -1699,6 +1699,9 @@ msg_composer_paste_clipboard_targets_cb (GtkClipboard *clipboard,
                                          gint n_targets,
                                          EMsgComposer *composer)
 {
+       EHTMLEditor *editor = e_msg_composer_get_editor (composer);
+       EHTMLEditorView *editor_view = e_html_editor_get_view (editor);
+
        if (targets == NULL || n_targets < 0)
                return;
 
@@ -1710,14 +1713,29 @@ msg_composer_paste_clipboard_targets_cb (GtkClipboard *clipboard,
                return;
        }
 
-       if (e_targets_include_html (targets, n_targets)) {
-               e_composer_paste_html (composer, clipboard);
-               return;
-       }
+       /* Prefer plain text over HTML when in the plain text mode, but only
+        * when pasting content from outside the editor view. */
+       if (e_html_editor_view_get_html_mode (editor_view) ||
+           e_html_editor_view_is_pasting_content_from_itself (editor_view)) {
+               if (e_targets_include_html (targets, n_targets)) {
+                       e_composer_paste_html (composer, clipboard);
+                       return;
+               }
 
-       if (gtk_targets_include_text (targets, n_targets)) {
-               e_composer_paste_text (composer, clipboard);
-               return;
+               if (gtk_targets_include_text (targets, n_targets)) {
+                       e_composer_paste_text (composer, clipboard);
+                       return;
+               }
+       } else {
+               if (gtk_targets_include_text (targets, n_targets)) {
+                       e_composer_paste_text (composer, clipboard);
+                       return;
+               }
+
+               if (e_targets_include_html (targets, n_targets)) {
+                       e_composer_paste_html (composer, clipboard);
+                       return;
+               }
        }
 
        if (gtk_targets_include_image (targets, n_targets, TRUE)) {