gint max_label_chars;
gboolean has_labels;
gboolean uniform;
+ gboolean dual_even_left;
double uniform_width;
double uniform_height;
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,
};
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
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
}
}
- 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 {
} 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) {
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;
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)
/* 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;
}
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)