gtksourceview2 support for gitview

Added support for gtksourceview2 module (pygtksourceview 1.90.x) in
gitview.  Also refactored code that creates the source buffer and view.

Signed-off-by: Frederick Akalin <akalin@akalin.cx>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

diff --git a/contrib/gitview/gitview b/contrib/gitview/gitview
index 5931766..449ee69 100755 (executable)
--- a/contrib/gitview/gitview
+++ b/contrib/gitview/gitview
@@ -28,11 +28,19 @@ import string
 import fcntl
 
 try:
+    import gtksourceview2
+    have_gtksourceview2 = True
+except ImportError:
+    have_gtksourceview2 = False
+
+try:
     import gtksourceview
     have_gtksourceview = True
 except ImportError:
     have_gtksourceview = False
-    print "Running without gtksourceview module"
+
+if not have_gtksourceview2 and not have_gtksourceview:
+    print "Running without gtksourceview2 or gtksourceview module"
 
 re_ident = re.compile('(author|committer) (?P<ident>.*) (?P<epoch>\d+) (?P<tz>[+-]\d{4})')
 
@@ -58,6 +66,26 @@ def show_date(epoch, tz):
 
        return time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime(secs))
 
+def get_source_buffer_and_view():
+       if have_gtksourceview2:
+               buffer = gtksourceview2.Buffer()
+               slm = gtksourceview2.LanguageManager()
+               gsl = slm.get_language("diff")
+               buffer.set_highlight_syntax(True)
+               buffer.set_language(gsl)
+               view = gtksourceview2.View(buffer)
+       elif have_gtksourceview:
+               buffer = gtksourceview.SourceBuffer()
+               slm = gtksourceview.SourceLanguagesManager()
+               gsl = slm.get_language_from_mime_type("text/x-patch")
+               buffer.set_highlight(True)
+               buffer.set_language(gsl)
+               view = gtksourceview.SourceView(buffer)
+       else:
+               buffer = gtk.TextBuffer()
+               view = gtk.TextView(buffer)
+       return (buffer, view)
+
 
 class CellRendererGraph(gtk.GenericCellRenderer):
        """Cell renderer for directed graph.
@@ -582,17 +610,7 @@ class DiffWindow(object):
                hpan.pack1(scrollwin, True, True)
                scrollwin.show()
 
-               if have_gtksourceview:
-                       self.buffer = gtksourceview.SourceBuffer()
-                       slm = gtksourceview.SourceLanguagesManager()
-                       gsl = slm.get_language_from_mime_type("text/x-patch")
-                       self.buffer.set_highlight(True)
-                       self.buffer.set_language(gsl)
-                       sourceview = gtksourceview.SourceView(self.buffer)
-               else:
-                       self.buffer = gtk.TextBuffer()
-                       sourceview = gtk.TextView(self.buffer)
-
+               (self.buffer, sourceview) = get_source_buffer_and_view()
 
                sourceview.set_editable(False)
                sourceview.modify_font(pango.FontDescription("Monospace"))
@@ -956,16 +974,7 @@ class GitView(object):
                vbox.pack_start(scrollwin, expand=True, fill=True)
                scrollwin.show()
 
-               if have_gtksourceview:
-                       self.message_buffer = gtksourceview.SourceBuffer()
-                       slm = gtksourceview.SourceLanguagesManager()
-                       gsl = slm.get_language_from_mime_type("text/x-patch")
-                       self.message_buffer.set_highlight(True)
-                       self.message_buffer.set_language(gsl)
-                       sourceview = gtksourceview.SourceView(self.message_buffer)
-               else:
-                       self.message_buffer = gtk.TextBuffer()
-                       sourceview = gtk.TextView(self.message_buffer)
+               (self.message_buffer, sourceview) = get_source_buffer_and_view()
 
                sourceview.set_editable(False)
                sourceview.modify_font(pango.FontDescription("Monospace"))