[evolution/gnome-3-22] Bug 773396 - Pasting with midlde mouse button and Shift pressed doesn’t cite text

[Tomas Popela <tpopela src gnome org>]

commit d55e528e2eca7dc1c310a04e9d77d3bd65d0a6cb
Author: Tomas Popela <tpopela redhat com>
Date:   Mon Oct 24 08:55:26 2016 +0200

    Bug 773396 - Pasting with midlde mouse button and Shift pressed doesn’t cite text

 modules/webkit-editor/e-webkit-editor.c |   61 ++++++++++++++++++++++++++++++-
 1 files changed, 60 insertions(+), 1 deletions(-)
---
diff --git a/modules/webkit-editor/e-webkit-editor.c b/modules/webkit-editor/e-webkit-editor.c
index f715aeb..e231c4f 100644
--- a/modules/webkit-editor/e-webkit-editor.c
+++ b/modules/webkit-editor/e-webkit-editor.c
@@ -5780,6 +5780,63 @@ webkit_editor_web_process_crashed_cb (EWebKitEditor *wk_editor)
        wk_editor->priv->web_extension_user_changed_default_colors_cb_id = 0;
 }
 
+static void
+paste_quote_text (EContentEditor *editor,
+                 const gchar *text,
+                 gboolean is_html)
+{
+       g_return_if_fail (E_IS_CONTENT_EDITOR (editor));
+       g_return_if_fail (text != NULL);
+
+       e_content_editor_insert_content (
+               editor,
+               text,
+               E_CONTENT_EDITOR_INSERT_QUOTE_CONTENT |
+               (is_html ? E_CONTENT_EDITOR_INSERT_TEXT_HTML : E_CONTENT_EDITOR_INSERT_TEXT_PLAIN));
+}
+
+static void
+clipboard_html_received_for_paste_quote (GtkClipboard *clipboard,
+                                         const gchar *text,
+                                         gpointer user_data)
+{
+       EContentEditor *editor = user_data;
+
+       g_return_if_fail (E_IS_CONTENT_EDITOR (editor));
+       g_return_if_fail (text != NULL);
+
+       paste_quote_text (editor, text, TRUE);
+}
+
+static void
+clipboard_text_received_for_paste_quote (GtkClipboard *clipboard,
+                                         const gchar *text,
+                                         gpointer user_data)
+{
+       EContentEditor *editor = user_data;
+
+       g_return_if_fail (E_IS_CONTENT_EDITOR (editor));
+       g_return_if_fail (text != NULL);
+
+       paste_quote_text (editor, text, FALSE);
+}
+
+static void
+paste_primary_clipboard_quoted (EContentEditor *editor)
+{
+       GtkClipboard *clipboard;
+
+       clipboard = gtk_clipboard_get_for_display (
+               gdk_display_get_default (),
+               GDK_SELECTION_PRIMARY);
+
+       if (e_clipboard_wait_is_html_available (clipboard))
+               e_clipboard_request_html (clipboard, clipboard_html_received_for_paste_quote, editor);
+       else if (gtk_clipboard_wait_is_text_available (clipboard))
+               gtk_clipboard_request_text (clipboard, clipboard_text_received_for_paste_quote, editor);
+
+}
+
 static gboolean
 webkit_editor_button_press_event (GtkWidget *widget,
                                   GdkEventButton *event)
@@ -5791,7 +5848,9 @@ webkit_editor_button_press_event (GtkWidget *widget,
        wk_editor = E_WEBKIT_EDITOR (widget);
 
        if (event->button == 2) {
-               if (!e_content_editor_emit_paste_primary_clipboard (E_CONTENT_EDITOR (widget)))
+               if ((event->state & GDK_SHIFT_MASK) != 0) {
+                       paste_primary_clipboard_quoted (E_CONTENT_EDITOR (widget));
+               } else if (!e_content_editor_emit_paste_primary_clipboard (E_CONTENT_EDITOR (widget)))
                        webkit_editor_paste_primary (E_CONTENT_EDITOR( (widget)));
 
                return TRUE;