Fixed wrong translation.

[evince.git] / shell / ev-page-cache.c

diff --git a/shell/ev-page-cache.c b/shell/ev-page-cache.c
index 389bafca8bd03012e66ed1e38bbb490d99871a75..ebf0de7f9b69f8d2409e51d69f75dabb0438d4aa 100644 (file)
--- a/shell/ev-page-cache.c
+++ b/shell/ev-page-cache.c
@@ -23,6 +23,7 @@ struct _EvPageCache
        gint max_label_chars;
        gboolean has_labels;
        gboolean uniform;
+       gboolean dual_even_left;
        
        double uniform_width;
        double uniform_height;
@@ -44,11 +45,13 @@ struct _EvPageCacheClass
        GObjectClass parent_class;
 
        void (* page_changed) (EvPageCache *page_cache, gint page);
+       void (* history_changed) (EvPageCache *page_cache, gint page);
 };
 
 enum
 {
        PAGE_CHANGED,
+       HISTORY_CHANGED,
        N_SIGNALS,
 };
 
@@ -86,6 +89,16 @@ ev_page_cache_class_init (EvPageCacheClass *class)
                              G_TYPE_NONE, 1,
                              G_TYPE_INT);
 
+       signals [HISTORY_CHANGED] =
+               g_signal_new ("history-changed",
+                             EV_TYPE_PAGE_CACHE,
+                             G_SIGNAL_RUN_LAST,
+                             G_STRUCT_OFFSET (EvPageCacheClass, history_changed),
+                             NULL, NULL,
+                             g_cclosure_marshal_VOID__INT,
+                             G_TYPE_NONE, 1,
+                             G_TYPE_INT);
+
 }
 
 static void
@@ -95,12 +108,43 @@ ev_page_cache_finalize (GObject *object)
 
        page_cache = EV_PAGE_CACHE (object);
 
-       g_free (page_cache->title);
-       g_free (page_cache->size_cache);
-       g_free (page_cache->height_to_page);
-       g_free (page_cache->dual_height_to_page);
+       if (page_cache->title) {
+               g_free (page_cache->title);
+               page_cache->title = NULL;
+       }
+
+       if (page_cache->size_cache) {
+               g_free (page_cache->size_cache);
+               page_cache->size_cache = NULL;
+       }
+
+       if (page_cache->height_to_page) {
+               g_free (page_cache->height_to_page);
+               page_cache->height_to_page = NULL;
+       }
+
+       if (page_cache->dual_height_to_page) {
+               g_free (page_cache->dual_height_to_page);
+               page_cache->dual_height_to_page = NULL;
+       }
 
-       ev_document_info_free (page_cache->page_info);
+       if (page_cache->page_labels) {
+               gint i;
+
+               for (i = 0; i < page_cache->n_pages; i++) {
+                       if (page_cache->page_labels[i])
+                               g_free (page_cache->page_labels[i]);
+               }
+               g_free (page_cache->page_labels);
+               page_cache->page_labels = NULL;
+       }
+
+       if (page_cache->page_info) {
+               ev_document_info_free (page_cache->page_info);
+               page_cache->page_info = NULL;
+       }
+
+       G_OBJECT_CLASS (ev_page_cache_parent_class)->finalize (object);
 }
 
 static void
@@ -140,7 +184,7 @@ build_height_to_page (EvPageCache *page_cache)
                }
        }
 
-       if (DUAL_EVEN_LEFT && !page_cache->uniform) {
+       if (page_cache->dual_even_left && !page_cache->uniform) {
                if (!swap) {
                        saved_height = page_cache->size_cache [0].height;
                } else {
@@ -149,16 +193,16 @@ build_height_to_page (EvPageCache *page_cache)
        } else {
                saved_height = 0;
        }
-       for (i = DUAL_EVEN_LEFT; i < page_cache->n_pages + 2; i += 2) {
+       for (i = page_cache->dual_even_left; i < page_cache->n_pages + 2; i += 2) {
                if (page_cache->uniform) {
                        if (!swap) {
                                uniform_height = page_cache->uniform_height;
                        } else {
                                uniform_height = page_cache->uniform_width;
                        }
-                       page_cache->dual_height_to_page [i] = ((i + DUAL_EVEN_LEFT) / 2) * uniform_height;
+                       page_cache->dual_height_to_page [i] = ((i + page_cache->dual_even_left) / 2) * uniform_height;
                        if (i + 1 < page_cache->n_pages + 2)
-                               page_cache->dual_height_to_page [i + 1] = ((i + DUAL_EVEN_LEFT) / 2) * uniform_height;
+                               page_cache->dual_height_to_page [i + 1] = ((i + page_cache->dual_even_left) / 2) * uniform_height;
                } else {
                        if (i + 1 < page_cache->n_pages) {
                                if (!swap) {
@@ -206,6 +250,7 @@ ev_page_cache_new (EvDocument *document)
        page_cache->uniform = TRUE;
        page_cache->has_labels = FALSE;
        page_cache->n_pages = ev_document_get_n_pages (document);
+       page_cache->dual_even_left = (page_cache->n_pages > 2);
        page_cache->page_labels = g_new0 (char *, page_cache->n_pages);
        page_cache->max_width = 0;
        page_cache->max_height = 0;
@@ -321,6 +366,16 @@ ev_page_cache_set_current_page (EvPageCache *page_cache,
        g_signal_emit (page_cache, signals[PAGE_CHANGED], 0, page);
 }
 
+void
+ev_page_cache_set_current_page_history (EvPageCache *page_cache,
+                                       int          page)
+{
+       if (abs (page - page_cache->current_page) > 1)
+               g_signal_emit (page_cache, signals [HISTORY_CHANGED], 0, page);
+       
+       ev_page_cache_set_current_page (page_cache, page);
+}
+
 gboolean
 ev_page_cache_set_page_label (EvPageCache *page_cache,
                              const char  *page_label)
@@ -350,8 +405,7 @@ ev_page_cache_set_page_label (EvPageCache *page_cache,
                /* convert from a page label to a page offset */
                page --;
                if (page >= 0 &&
-                   page < page_cache->n_pages &&
-                   page_cache->page_labels[page] == NULL) {
+                   page < page_cache->n_pages) {
                        ev_page_cache_set_current_page (page_cache, page);
                        return TRUE;
                }
@@ -469,6 +523,14 @@ ev_page_cache_get_max_label_chars (EvPageCache *page_cache)
        return page_cache->max_label_chars;
 }
 
+gboolean
+ev_page_cache_get_dual_even_left (EvPageCache *page_cache)
+{
+       g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), 0);
+       
+       return page_cache->dual_even_left;
+}
+
 gchar *
 ev_page_cache_get_page_label (EvPageCache *page_cache,
                              gint         page)