[evince] document-model: Make dual mode and dual mode odd page left mutally exclusive

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 39106f4f491d10d89394b434d0e381ddf832f416
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Sat Feb 11 16:38:13 2012 +0100

    document-model: Make dual mode and dual mode odd page left mutally exclusive
    
    The can't be set at the same time, but they can be both unset.

 libview/ev-document-model.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/libview/ev-document-model.c b/libview/ev-document-model.c
index 3618667..ccf11d4 100644
--- a/libview/ev-document-model.c
+++ b/libview/ev-document-model.c
@@ -559,6 +559,11 @@ ev_document_model_set_dual_page (EvDocumentModel *model,
 	model->dual_page = dual_page;
 
 	g_object_notify (G_OBJECT (model), "dual-page");
+
+        if (dual_page && model->dual_page_odd_left) {
+                model->dual_page_odd_left = FALSE;
+                g_object_notify (G_OBJECT (model), "dual-odd-left");
+        }
 }
 
 gboolean
@@ -583,6 +588,11 @@ ev_document_model_set_dual_page_odd_pages_left (EvDocumentModel *model,
 	model->dual_page_odd_left = odd_left;
 
 	g_object_notify (G_OBJECT (model), "dual-odd-left");
+
+        if (odd_left && model->dual_page) {
+                model->dual_page = FALSE;
+                g_object_notify (G_OBJECT (model), "dual-page");
+        }
 }
 
 gboolean