[gnome-latex: 129/205] Undo/redo: check if the buffer is saved

[Sébastien Wilmet <swilmet src gnome org>]

commit 5e6e2cefc1194fcca879af263459c9d3d35d25ff
Author: Sébastien Wilmet <sebastien wilmet gmail com>
Date:   Sat Nov 28 15:47:19 2009 +0100

    Undo/redo: check if the buffer is saved
    
    We use gtk_text_buffer_get_modified() and
    gtk_text_buffer_set_modified().

 src/callbacks.c | 30 ++++++++++++++++++++++++++----
 1 file changed, 26 insertions(+), 4 deletions(-)
---
diff --git a/src/callbacks.c b/src/callbacks.c
index 6ddeaa8..7caf302 100644
--- a/src/callbacks.c
+++ b/src/callbacks.c
@@ -221,6 +221,12 @@ cb_undo (void)
        {
                gtk_source_buffer_undo (latexila.active_doc->source_buffer);
                scroll_to_cursor ();
+
+               if (! gtk_text_buffer_get_modified (GTK_TEXT_BUFFER (latexila.active_doc->source_buffer)))
+               {
+                       latexila.active_doc->saved = TRUE;
+                       set_title ();
+               }
        }
 
        set_undo_redo_sensitivity ();
@@ -236,6 +242,12 @@ cb_redo (void)
        {
                gtk_source_buffer_redo (latexila.active_doc->source_buffer);
                scroll_to_cursor ();
+
+               if (! gtk_text_buffer_get_modified (GTK_TEXT_BUFFER (latexila.active_doc->source_buffer)))
+               {
+                       latexila.active_doc->saved = TRUE;
+                       set_title ();
+               }
        }
 
        set_undo_redo_sensitivity ();
@@ -1019,7 +1031,8 @@ create_document_in_new_tab (const gchar *path, const gchar *text,
        }
 
        // set auto indentation
-       gtk_source_view_set_auto_indent (GTK_SOURCE_VIEW (new_doc->source_view), TRUE);
+       gtk_source_view_set_auto_indent (GTK_SOURCE_VIEW (new_doc->source_view),
+                       TRUE);
 
        // set the font
        gtk_widget_modify_font (new_doc->source_view, latexila.prefs.font_desc);
@@ -1035,13 +1048,16 @@ create_document_in_new_tab (const gchar *path, const gchar *text,
 
        // put the text into the buffer
        gtk_source_buffer_begin_not_undoable_action (new_doc->source_buffer);
-       gtk_text_buffer_set_text (GTK_TEXT_BUFFER (new_doc->source_buffer), text, -1);
+       gtk_text_buffer_set_text (GTK_TEXT_BUFFER (new_doc->source_buffer),
+                       text, -1);
        gtk_source_buffer_end_not_undoable_action (new_doc->source_buffer);
 
        // move the cursor at the start
        GtkTextIter start;
-       gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (new_doc->source_buffer), &start);
-       gtk_text_buffer_place_cursor (GTK_TEXT_BUFFER (new_doc->source_buffer), &start);
+       gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (new_doc->source_buffer),
+                       &start);
+       gtk_text_buffer_place_cursor (GTK_TEXT_BUFFER (new_doc->source_buffer),
+                       &start);
 
        // when the text is modified
        g_signal_connect (G_OBJECT (new_doc->source_buffer), "changed",
@@ -1051,6 +1067,10 @@ create_document_in_new_tab (const gchar *path, const gchar *text,
        g_signal_connect (G_OBJECT (new_doc->source_buffer), "mark-set",
                        G_CALLBACK (cb_cursor_moved), NULL);
 
+       // the buffer is saved
+       gtk_text_buffer_set_modified (GTK_TEXT_BUFFER (new_doc->source_buffer),
+                       FALSE);
+
        // with a scrollbar
        GtkWidget *sw = gtk_scrolled_window_new (NULL, NULL);
        gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
@@ -1266,6 +1286,8 @@ file_save (void)
        }
 
        latexila.active_doc->saved = TRUE;
+       gtk_text_buffer_set_modified (
+                       GTK_TEXT_BUFFER (latexila.active_doc->source_buffer), FALSE);
        g_free (locale);
 }