[evolution] EHTMLEditorView - Add a checkbox to remember the choice when asking if lose formatting

[Tomas Popela <tpopela src gnome org>]

commit 96a4ac56526bf6b0bdb9bb5765acfb7e9280384a
Author: Tomas Popela <tpopela redhat com>
Date:   Mon Mar 23 10:18:37 2015 +0100

    EHTMLEditorView - Add a checkbox to remember the choice when asking if lose formatting

 composer/mail-composer.error.xml             |    7 +++++++
 data/org.gnome.evolution.mail.gschema.xml.in |    5 +++++
 e-util/e-html-editor-view.c                  |   26 ++++++--------------------
 3 files changed, 18 insertions(+), 20 deletions(-)
---
diff --git a/composer/mail-composer.error.xml b/composer/mail-composer.error.xml
index 06d4d42..8b9db2d 100644
--- a/composer/mail-composer.error.xml
+++ b/composer/mail-composer.error.xml
@@ -102,4 +102,11 @@
   <button _label="_Send" response="GTK_RESPONSE_YES"/>
  </error>
 
+  <error id="prompt-composer-mode-switch" type="question" default="GTK_RESPONSE_YES">
+  <_primary>Are you sure you want to change the composer mode?</_primary>
+  <_secondary xml:space="preserve">Turning HTML mode off will cause the text to lose all formatting. Do you 
want to continue?</_secondary>
+  <button _label="_Don't lose formatting" response="GTK_RESPONSE_NO"/>
+  <button _label="Lose _formatting" response="GTK_RESPONSE_YES"/>
+ </error>
+
 </error-list>
diff --git a/data/org.gnome.evolution.mail.gschema.xml.in b/data/org.gnome.evolution.mail.gschema.xml.in
index 89373bb..9cc4c3a 100644
--- a/data/org.gnome.evolution.mail.gschema.xml.in
+++ b/data/org.gnome.evolution.mail.gschema.xml.in
@@ -456,6 +456,11 @@
       <_summary>Prompt when replying to many recipients</_summary>
       <_description>It disables/enables the repeated prompts to warn that you are sending a reply to many 
people.</_description>
     </key>
+    <key name="prompt-on-composer-mode-switch" type="b">
+      <default>true</default>
+      <_summary>Prompt when switching composer mode and the content needs to lose its formatting</_summary>
+      <_description>It disables/enables the repeated prompts to warn that you are switching composer mode 
and the content needs to lose its formatting.</_description>
+    </key>
     <key name="browser-close-on-reply-policy" enum="org.gnome.evolution.mail.AutomaticActionPolicy">
       <default>'ask'</default>
       <_summary>Policy for automatically closing the message browser window when forwarding or replying to 
the displayed message.</_summary>
diff --git a/e-util/e-html-editor-view.c b/e-util/e-html-editor-view.c
index a9e3310..a84dc78 100644
--- a/e-util/e-html-editor-view.c
+++ b/e-util/e-html-editor-view.c
@@ -8686,8 +8686,8 @@ process_content_for_html (EHTMLEditorView *view)
 static gboolean
 show_lose_formatting_dialog (EHTMLEditorView *view)
 {
-       gint result;
-       GtkWidget *toplevel, *dialog;
+       gboolean lose;
+       GtkWidget *toplevel;
        GtkWindow *parent = NULL;
 
        toplevel = gtk_widget_get_toplevel (GTK_WIDGET (view));
@@ -8695,30 +8695,16 @@ show_lose_formatting_dialog (EHTMLEditorView *view)
        if (GTK_IS_WINDOW (toplevel))
                parent = GTK_WINDOW (toplevel);
 
-       dialog = gtk_message_dialog_new (
-               parent,
-               GTK_DIALOG_DESTROY_WITH_PARENT,
-               GTK_MESSAGE_WARNING,
-               GTK_BUTTONS_NONE,
-               _("Turning HTML mode off will cause the text "
-               "to lose all formatting. Do you want to continue?"));
-       gtk_dialog_add_buttons (
-               GTK_DIALOG (dialog),
-               _("_Don't lose formatting"), GTK_RESPONSE_CANCEL,
-               _("_Lose formatting"), GTK_RESPONSE_OK,
-               NULL);
-
-       result = gtk_dialog_run (GTK_DIALOG (dialog));
+       lose = e_util_prompt_user (
+               parent, "org.gnome.evolution.mail", "prompt-on-composer-mode-switch",
+               "mail-composer:prompt-composer-mode-switch", NULL);
 
-       if (result != GTK_RESPONSE_OK) {
-               gtk_widget_destroy (dialog);
+       if (!lose) {
                /* Nothing has changed, but notify anyway */
                g_object_notify (G_OBJECT (view), "html-mode");
                return FALSE;
        }
 
-       gtk_widget_destroy (dialog);
-
        return TRUE;
 }