[gtksourceview] Add actions to toggle syntax hl.

[Paolo Borelli <pborelli src gnome org>]

commit 15ad9a65755cb4a6cee3063c21f0998d7c70416a
Author: Paolo Borelli <pborelli gnome org>
Date:   Sat Jul 3 12:43:28 2010 +0200

    Add actions to toggle syntax hl.
    
    Based on a patch by Jose Aliste

 tests/test-widget.c  |   25 +++++++++++++++++++++++++
 tests/test-widget.py |    9 ++++++++-
 2 files changed, 33 insertions(+), 1 deletions(-)
---
diff --git a/tests/test-widget.c b/tests/test-widget.c
index 2fa996d..0b0d93f 100644
--- a/tests/test-widget.c
+++ b/tests/test-widget.c
@@ -72,6 +72,8 @@ static void       marks_toggled_cb               (GtkAction       *action,
 						  gpointer         user_data);
 static void       margin_toggled_cb              (GtkAction       *action,
 						  gpointer         user_data);
+static void       hl_syntax_toggled_cb           (GtkAction       *action,
+						  gpointer         user_data);
 static void       hl_bracket_toggled_cb          (GtkAction       *action,
 						  gpointer         user_data);
 static void       hl_line_toggled_cb             (GtkAction       *action,
@@ -132,6 +134,9 @@ static GtkActionEntry view_action_entries[] = {
 };
 
 static GtkToggleActionEntry toggle_entries[] = {
+	{ "HlSyntax", NULL, "Highlight _Syntax", NULL,
+	  "Toggle syntax highlighting",
+	  G_CALLBACK (hl_syntax_toggled_cb), FALSE },
 	{ "HlBracket", NULL, "Highlight Matching _Bracket", NULL,
 	  "Toggle highlighting of matching bracket",
 	  G_CALLBACK (hl_bracket_toggled_cb), FALSE },
@@ -200,6 +205,7 @@ static const gchar *view_ui_description =
 "    <menu action=\"ViewMenu\">"
 "      <menuitem action=\"NewView\"/>"
 "      <separator/>"
+"      <menuitem action=\"HlSyntax\"/>"
 "      <menuitem action=\"HlBracket\"/>"
 "      <menuitem action=\"ShowNumbers\"/>"
 "      <menuitem action=\"ShowMarks\"/>"
@@ -518,6 +524,17 @@ margin_toggled_cb (GtkAction *action, gpointer user_data)
 }
 
 static void
+hl_syntax_toggled_cb (GtkAction *action, gpointer user_data)
+{
+	GtkTextBuffer *buffer;
+	g_return_if_fail (GTK_IS_TOGGLE_ACTION (action) && GTK_IS_SOURCE_VIEW (user_data));
+	buffer = gtk_text_view_get_buffer (user_data);
+	gtk_source_buffer_set_highlight_syntax (
+		GTK_SOURCE_BUFFER (buffer),
+		gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)));
+}
+
+static void
 hl_bracket_toggled_cb (GtkAction *action, gpointer user_data)
 {
 	GtkTextBuffer *buffer;
@@ -1458,6 +1475,10 @@ create_main_window (GtkSourceBuffer *buffer)
 	/* retrieve the view action group at position 0 in the list */
 	action_group = g_list_nth_data (groups, 0);
 
+	action = gtk_action_group_get_action (action_group, "HlSyntax");
+	gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action),
+				      gtk_source_buffer_get_highlight_syntax (buffer));
+
 	action = gtk_action_group_get_action (action_group, "HlBracket");
 	gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), TRUE);
 
@@ -1574,6 +1595,7 @@ main (int argc, char *argv[])
 	GtkSourceStyleSchemeManager *sm;
 	GtkSourceBuffer *buffer;
 
+	gboolean no_syntax = FALSE;
 	gchar *builtin_lang_dirs[] = {TOP_SRCDIR "/data/language-specs", NULL};
 	gchar *builtin_sm_dirs[] = {TOP_SRCDIR "/data/styles", NULL};
 	gchar **dirs;
@@ -1584,6 +1606,7 @@ main (int argc, char *argv[])
 	GOptionContext *context;
 
 	GOptionEntry entries[] = {
+	  { "no-syntax", 'n', 0, G_OPTION_ARG_NONE, &no_syntax, "Disable syntax highlighting", NULL},
 	  { "style-scheme", 's', 0, G_OPTION_ARG_STRING, &style_scheme_id, "Style scheme name to use", "SCHEME"},
 	  { "default-paths", 'd', 0, G_OPTION_ARG_NONE, &use_default_paths, "Use default search paths", NULL},
 	  { NULL }
@@ -1649,6 +1672,8 @@ main (int argc, char *argv[])
 	/* create buffer */
 	buffer = gtk_source_buffer_new (NULL);
 
+	gtk_source_buffer_set_highlight_syntax (buffer, !no_syntax);
+
 	if (argc > 1)
 		open_file (buffer, argv [1]);
 	else
diff --git a/tests/test-widget.py b/tests/test-widget.py
index ba1bb9d..6914b46 100644
--- a/tests/test-widget.py
+++ b/tests/test-widget.py
@@ -22,6 +22,7 @@ ui_description = """
     <menu action=\"ViewMenu\">
       <menuitem action=\"NewView\"/>
       <separator/>
+      <menuitem action=\"HlSyntax\"/>
       <menuitem action=\"HlBracket\"/>
       <menuitem action=\"ShowNumbers\"/>
       <menuitem action=\"ShowMarks\"/>
@@ -197,7 +198,9 @@ class Window(Gtk.Window):
                                   ("About", Gtk.STOCK_ABOUT, "_About...", None,
                                    "About GtkSourceView Test Widget", self.about_cb)])
 
-        action_group.add_toggle_actions([("HlBracket", None, "Highlight Matching _Bracket", None,
+        action_group.add_toggle_actions([("HlSyntax", None, "Highlight _Syntax", None,
+                                          "Toggle syntax highlighting", self.hl_syntax_toggled_cb),
+                                         ("HlBracket", None, "Highlight Matching _Bracket", None,
                                           "Toggle highlighting of matching bracket", self.hl_bracket_toggled_cb),
                                          ("ShowNumbers", None, "Show _Line Numbers", None,
                                           "Toggle visibility of line numbers in the left margin", self.numbers_toggled_cb),
@@ -268,6 +271,7 @@ class Window(Gtk.Window):
         self.add_accel_group (accel_group)
 
         # Add default values
+        action_group.get_action("HlSyntax").set_active(True)
         action_group.get_action("HlBracket").set_active(True)
         action_group.get_action("ShowNumbers").set_active(True)
         action_group.get_action("ShowMarks").set_active(True)
@@ -412,6 +416,9 @@ class Window(Gtk.Window):
         window = Window()
         window.show_all()
 
+    def hl_syntax_toggled_cb(self, action):
+        self._buf.set_highlight_syntax(action.get_active())
+
     def hl_bracket_toggled_cb(self, action):
         self._buf.set_highlight_matching_brackets(action.get_active())