[patch] "Save" menu/toolbar action is greyed out when file unchanged

Index: src/ChangeLog
===================================================================
RCS file: /cvs/gnome/conglomerate/src/ChangeLog,v
retrieving revision 1.736
diff -u -r1.736 ChangeLog
--- src/ChangeLog	15 Oct 2004 16:01:40 -0000	1.736
+++ src/ChangeLog	17 Oct 2004 21:54:53 -0000
@@ -1,3 +1,11 @@
+2004-10-17  Douglas Burke  <[email protected]>
+
+	* cong-document.c, cong-file-open.c:
+
+	The "Save" menu and toolbar items are now inactive when the file
+	has not changed. It's not 100% foolproof (add a space and then delete
+	it and it still thinks the file has changed).
+	
 2004-10-15  Douglas Burke  <[email protected]>
 
 	* cong-attribute-editor-cdata.c, cong-attribute-editor-cdata.h, cong-attribute-editor-enumeration.c, cong-attribute-editor-lang.c, cong-attribute-editor-lang.h, cong-attribute-editor-nmtoken.c, cong-attribute-editor-nmtoken.h, cong-attribute-editor.c, cong-attribute-editor.h, cong-attribute-wrapper-check-button.c, cong-attribute-wrapper-check-button.h, cong-attribute-wrapper-radio-button.c, cong-attribute-wrapper-radio-button.h, cong-attribute-wrapper.c, cong-attribute-wrapper.h, cong-glade.c:
Index: src/cong-document.c
===================================================================
RCS file: /cvs/gnome/conglomerate/src/cong-document.c,v
retrieving revision 1.111
diff -u -r1.111 cong-document.c
--- src/cong-document.c	13 Oct 2004 20:15:21 -0000	1.111
+++ src/cong-document.c	17 Oct 2004 21:54:53 -0000
@@ -89,6 +89,10 @@
 #undef PRIVATE
 #define PRIVATE(x) ((x)->private)
 
+/* taken from cong-menus.c */
+#define SET_ACTION_SENSITIVE(action_name, sens) \
+			g_object_set (G_OBJECT (gtk_action_group_get_action (cong_primary_window_get_action_group (primary_window, CONG_ACTION_GROUP_DOCUMENT), action_name)), "sensitive", sens, NULL)
+
 enum {
 	BEGIN_EDIT,
 	END_EDIT,
@@ -374,6 +378,7 @@
 	PRIVATE(doc)->url = g_strdup(url);
 
 	g_get_current_time(&PRIVATE(doc)->time_of_last_save);
+	PRIVATE(doc)->modified = FALSE;
 
 	#if TEST_VIEW
 	{
@@ -825,18 +830,23 @@
  *
  * TODO: Write me
  */
+
 void
 cong_document_set_modified(CongDocument *doc, gboolean modified)
 {
 	g_return_if_fail(doc);
 
 	if (PRIVATE(doc)->modified != modified) {
+		CongPrimaryWindow *primary_window = PRIVATE(doc)->primary_window;
 
 		PRIVATE(doc)->modified = modified;
 
-		/* get at primary window; set title */
-		if (PRIVATE(doc)->primary_window) {
-			cong_primary_window_update_title(PRIVATE(doc)->primary_window);
+		if (primary_window) {
+			/* set title */
+			cong_primary_window_update_title (primary_window);
+
+			/* change the menu/toolbar Save action */
+			SET_ACTION_SENSITIVE("Save",modified);
 		}
 	}
 }
Index: src/cong-file-open.c
===================================================================
RCS file: /cvs/gnome/conglomerate/src/cong-file-open.c,v
retrieving revision 1.22
diff -u -r1.22 cong-file-open.c
--- src/cong-file-open.c	16 Jul 2004 03:31:34 -0000	1.22
+++ src/cong-file-open.c	17 Oct 2004 21:54:53 -0000
@@ -14,6 +14,10 @@
 #include "cong-vfs.h"
 #include "cong-file-selection.h"
 
+/* taken from cong-menus.c */
+#define SET_ACTION_SENSITIVE(action_name, sens) \
+			g_object_set (G_OBJECT (gtk_action_group_get_action (cong_primary_window_get_action_group (primary_window, CONG_ACTION_GROUP_DOCUMENT), action_name)), "sensitive", sens, NULL)
+
 /* Data and callback for handling the forced loading of a file, autogenerating a dispspec: */
 struct force_dialog
 {
@@ -190,6 +194,14 @@
 	g_assert(cong_doc);
 
 	cong_primary_window_new(cong_doc);
+
+	/* now we have a primary window we can set the "Save" menu item */
+	{
+		CongPrimaryWindow *primary_window = cong_document_get_primary_window(cong_doc);
+		g_assert (primary_window);
+		SET_ACTION_SENSITIVE("Save",FALSE);
+	}
+
 	g_object_unref( G_OBJECT(cong_doc));
 
 }