Add view menu entry for word wrap

Adds an entry to the "View" menu that allows temporarily overriding the word
wrap settings in the preferences.

xed/xed-commands-view.c

@@ -134,6 +134,28 @@ _xed_cmd_view_toggle_fullscreen_mode (GtkAction *action,
 		_xed_window_fullscreen (window);
 }
 
+void
+_xed_cmd_view_toggle_word_wrap (GtkAction *action,
+								XedWindow *window)
+{
+    XedView *view;
+    gboolean do_word_wrap;
+
+    xed_debug (DEBUG_COMMANDS);
+
+    do_word_wrap = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
+    view = xed_window_get_active_view (window);
+
+    if (do_word_wrap)
+    {
+        gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (view), GTK_WRAP_WORD);
+    }
+    else
+    {
+        gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (view), GTK_WRAP_NONE);
+    }
+}
+
 void
 _xed_cmd_view_leave_fullscreen_mode (GtkAction *action,
 				       XedWindow *window)

xed/xed-commands.h

@@ -47,6 +47,7 @@ void _xed_cmd_view_show_statusbar (GtkAction *action, XedWindow *window);
 void _xed_cmd_view_show_side_pane (GtkAction *action, XedWindow *window);
 void _xed_cmd_view_show_bottom_pane (GtkAction *action, XedWindow *window);
 void _xed_cmd_view_toggle_fullscreen_mode (GtkAction *action, XedWindow *window);
+void _xed_cmd_view_toggle_word_wrap (GtkAction *action, XedWindow *window);
 void _xed_cmd_view_leave_fullscreen_mode (GtkAction *action, XedWindow *window);
 
 void _xed_cmd_search_find (GtkAction *action, XedWindow *window);

xed/xed-ui.h

@@ -156,7 +156,10 @@ static const GtkToggleActionEntry xed_always_sensitive_toggle_menu_entries[] =
 	  G_CALLBACK (_xed_cmd_view_show_statusbar), TRUE },
 	{ "ViewFullscreen", GTK_STOCK_FULLSCREEN, NULL, "F11",
 	  N_("Edit text in fullscreen"),
-	  G_CALLBACK (_xed_cmd_view_toggle_fullscreen_mode), FALSE }
+	  G_CALLBACK (_xed_cmd_view_toggle_fullscreen_mode), FALSE },
+    { "ViewWordWrap", NULL, N_("_Word wrap"), NULL,
+      N_("Set word wrap for the current document"),
+      G_CALLBACK (_xed_cmd_view_toggle_word_wrap), FALSE }
 };
 
 /* separate group, should be always sensitive except when there are no panes */

xed/xed-ui.xml

@@ -55,6 +55,7 @@
       <separator/>
       <menuitem name="ViewFullscreenMenu" action="ViewFullscreen"/>
       <separator/>
+      <menuitem name="ViewWordWrapMenu" action="ViewWordWrap"/>
       <menu name="ViewHighlightModeMenu" action="ViewHighlightMode">
         <placeholder name="LanguagesMenuPlaceholder">
         </placeholder>

xed/xed-window-private.h

@@ -74,6 +74,7 @@ struct _XedWindowPrivate
     guint           tab_width_id;
     guint           spaces_instead_of_tabs_id;
     guint           language_changed_id;
+    guint           use_word_wrap_id;
 
     /* Menus & Toolbars */
     GtkUIManager   *manager;

xed/xed-window.c

@@ -2050,6 +2050,34 @@ language_changed (GObject *object,
     g_list_free (items);
 }
 
+static void
+word_wrap_changed (GObject *object,
+                   GParamSpec *pspec,
+                   XedWindow *window)
+{
+    XedView *view;
+    GtkWrapMode wrap_mode;
+    GtkAction *action;
+    gboolean wrap_enabled;
+
+    view = XED_VIEW (object);
+    wrap_mode = gtk_text_view_get_wrap_mode (GTK_TEXT_VIEW (view));
+    action = gtk_action_group_get_action (window->priv->always_sensitive_action_group, "ViewWordWrap");
+
+    if (wrap_mode == GTK_WRAP_NONE)
+    {
+        wrap_enabled = FALSE;
+    }
+    else
+    {
+        wrap_enabled = TRUE;
+    }
+
+    g_signal_handlers_block_by_func (action, G_CALLBACK (_xed_cmd_view_toggle_word_wrap), window);
+    gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), wrap_enabled);
+    g_signal_handlers_unblock_by_func (action, G_CALLBACK (_xed_cmd_view_toggle_word_wrap), window);
+}
+
 static void
 notebook_switch_page (GtkNotebook *book,
                       GtkWidget *pg,
@@ -2080,10 +2108,15 @@ notebook_switch_page (GtkNotebook *book,
 
         if (window->priv->spaces_instead_of_tabs_id)
         {
-            g_signal_handler_disconnect (xed_tab_get_view (window->priv->active_tab),
+            g_signal_handler_disconnect (xed_tab_get_view (window->priv->active_tab), window->priv->spaces_instead_of_tabs_id);
-                                         window->priv->spaces_instead_of_tabs_id);
             window->priv->spaces_instead_of_tabs_id = 0;
         }
+
+        if (window->priv->use_word_wrap_id)
+        {
+            g_signal_handler_disconnect (xed_tab_get_view (window->priv->active_tab), window->priv->use_word_wrap_id);
+            window->priv->use_word_wrap_id = 0;
+        }
     }
 
     /* set the active tab */
@@ -2128,10 +2161,14 @@ notebook_switch_page (GtkNotebook *book,
     window->priv->language_changed_id = g_signal_connect(xed_tab_get_document (tab), "notify::language",
                                                          G_CALLBACK (language_changed), window);
 
+    window->priv->use_word_wrap_id = g_signal_connect (view, "notify::wrap-mode",
+                                                       G_CALLBACK (word_wrap_changed), window);
+
     /* call it for the first time */
     tab_width_changed (G_OBJECT (view), NULL, window);
     spaces_instead_of_tabs_changed (G_OBJECT (view), NULL, window);
     language_changed (G_OBJECT (xed_tab_get_document (tab)), NULL, window);
+    word_wrap_changed (G_OBJECT (view), NULL, window);
 
     g_signal_emit (G_OBJECT (window), signals[ACTIVE_TAB_CHANGED], 0, window->priv->active_tab);
 }
@@ -2887,6 +2924,12 @@ notebook_tab_removed (XedNotebook *notebook,
         window->priv->language_changed_id = 0;
     }
 
+    if (window->priv->use_word_wrap_id && tab == xed_window_get_active_tab (window))
+    {
+        g_signal_handler_disconnect (view, window->priv->use_word_wrap_id);
+        window->priv->use_word_wrap_id = 0;
+    }
+
     g_return_if_fail(window->priv->num_tabs >= 0);
     if (window->priv->num_tabs == 0)
     {