+ get_page_y_offset (view, page, view->scale, &y);
+
+ page_area->x = x;
+ page_area->y = y;
+ } else {
+ gint x, y;
+ if (view->dual_page) {
+ gint width_2, height_2;
+ gint max_width = width;
+ gint max_height = height;
+ GtkBorder overall_border;
+ gint other_page;
+
+ other_page = (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache)) ? page + 1: page - 1;
+
+ /* First, we get the bounding box of the two pages */
+ if (other_page < ev_page_cache_get_n_pages (view->page_cache)
+ && (0 <= other_page)) {
+ ev_page_cache_get_size (view->page_cache,
+ other_page,
+ view->rotation,
+ view->scale,
+ &width_2, &height_2);
+ if (width_2 > width)
+ max_width = width_2;
+ if (height_2 > height)
+ max_height = height_2;
+ }
+ compute_border (view, max_width, max_height, &overall_border);
+
+ /* Find the offsets */
+ x = view->spacing;
+ y = view->spacing;
+
+ /* Adjust for being the left or right page */
+ if (page % 2 == ev_page_cache_get_dual_even_left (view->page_cache))
+ x = x + max_width - width;
+ else
+ x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
+
+ y = y + (max_height - height)/2;
+
+ /* Adjust for extra allocation */
+ x = x + MAX (0, widget->allocation.width -
+ ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
+ y = y + MAX (0, widget->allocation.height - (height + view->spacing * 2))/2;
+ } else {
+ x = view->spacing;
+ y = view->spacing;
+
+ /* Adjust for extra allocation */
+ x = x + MAX (0, widget->allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
+ y = y + MAX (0, widget->allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
+ }
+
+ page_area->x = x;
+ page_area->y = y;
+ }
+
+ return TRUE;
+}
+
+static void
+view_point_to_doc_point (EvView *view,
+ GdkPoint *view_point,
+ GdkRectangle *page_area,
+ double *doc_point_x,
+ double *doc_point_y)
+{
+ *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
+ *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
+}
+
+static void
+view_rect_to_doc_rect (EvView *view,
+ GdkRectangle *view_rect,
+ GdkRectangle *page_area,
+ EvRectangle *doc_rect)
+{
+ doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
+ doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
+ doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
+ doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
+}
+
+static gboolean
+doc_point_to_view_point (EvView *view,
+ int page,
+ EvPoint *doc_point,
+ GdkPoint *view_point)
+{
+ GdkRectangle page_area;
+ GtkBorder border;
+ double x, y, view_x, view_y;
+ int width, height;
+
+ ev_page_cache_get_size (view->page_cache, page,
+ view->rotation,
+ 1.0,
+ &width, &height);
+
+ if (view->rotation == 0) {
+ x = doc_point->x;
+ y = doc_point->y;
+ } else if (view->rotation == 90) {
+ x = width - doc_point->y;
+ y = doc_point->x;
+ } else if (view->rotation == 180) {
+ x = width - doc_point->x;
+ y = height - doc_point->y;
+ } else if (view->rotation == 270) {
+ x = doc_point->y;
+ y = height - doc_point->x;
+ } else {
+ g_assert_not_reached ();
+ }
+
+ get_page_extents (view, page, &page_area, &border);
+
+ view_x = x * view->scale;
+ view_y = y * view->scale;
+ view_point->x = view_x + page_area.x;
+ view_point->y = view_y + page_area.y;
+
+ return (view_x > 0 && view_x <= page_area.width &&
+ view_y > 0 && view_y <= page_area.height);
+}
+
+static void
+doc_rect_to_view_rect (EvView *view,
+ int page,
+ EvRectangle *doc_rect,
+ GdkRectangle *view_rect)
+{
+ GdkRectangle page_area;
+ GtkBorder border;
+ double x, y, w, h;
+ int width, height;
+
+ ev_page_cache_get_size (view->page_cache, page,
+ view->rotation,
+ 1.0,
+ &width, &height);
+
+ if (view->rotation == 0) {
+ x = doc_rect->x1;
+ y = doc_rect->y1;
+ w = doc_rect->x2 - doc_rect->x1;
+ h = doc_rect->y2 - doc_rect->y1;
+ } else if (view->rotation == 90) {
+ x = width - doc_rect->y2;
+ y = doc_rect->x1;
+ w = doc_rect->y2 - doc_rect->y1;
+ h = doc_rect->x2 - doc_rect->x1;
+ } else if (view->rotation == 180) {
+ x = width - doc_rect->x2;
+ y = height - doc_rect->y2;
+ w = doc_rect->x2 - doc_rect->x1;
+ h = doc_rect->y2 - doc_rect->y1;
+ } else if (view->rotation == 270) {
+ x = doc_rect->y1;
+ y = height - doc_rect->x2;
+ w = doc_rect->y2 - doc_rect->y1;
+ h = doc_rect->x2 - doc_rect->x1;
+ } else {
+ g_assert_not_reached ();
+ }
+
+ get_page_extents (view, page, &page_area, &border);
+
+ view_rect->x = x * view->scale + page_area.x;
+ view_rect->y = y * view->scale + page_area.y;
+ view_rect->width = w * view->scale;
+ view_rect->height = h * view->scale;
+}
+
+static void
+find_page_at_location (EvView *view,
+ gdouble x,
+ gdouble y,
+ gint *page,
+ gint *x_offset,
+ gint *y_offset)
+{
+ int i;
+
+ if (view->document == NULL)
+ return;
+
+ g_assert (page);
+ g_assert (x_offset);
+ g_assert (y_offset);
+
+ for (i = view->start_page; i <= view->end_page; i++) {
+ GdkRectangle page_area;
+ GtkBorder border;
+
+ if (! get_page_extents (view, i, &page_area, &border))
+ continue;
+
+ if ((x >= page_area.x + border.left) &&
+ (x < page_area.x + page_area.width - border.right) &&
+ (y >= page_area.y + border.top) &&
+ (y < page_area.y + page_area.height - border.bottom)) {
+ *page = i;
+ *x_offset = x - (page_area.x + border.left);
+ *y_offset = y - (page_area.y + border.top);
+ return;
+ }
+ }
+
+ *page = -1;
+}
+
+static gboolean
+location_in_text (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ GdkRegion *region;
+ gint page = -1;
+ gint x_offset = 0, y_offset = 0;
+
+ find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
+
+ if (page == -1)
+ return FALSE;
+
+ region = ev_pixbuf_cache_get_text_mapping (view->pixbuf_cache, page);
+
+ if (region)
+ return gdk_region_point_in (region, x_offset / view->scale, y_offset / view->scale);
+ else
+ return FALSE;
+}
+
+static int
+ev_view_get_width (EvView *view)
+{
+ return GTK_WIDGET (view)->allocation.width;
+}
+
+static int
+ev_view_get_height (EvView *view)
+{
+ return GTK_WIDGET (view)->allocation.height;
+}
+
+static gboolean
+location_in_selected_text (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_offset = 0, y_offset = 0;
+ EvViewSelection *selection;
+ GList *l = NULL;
+
+ for (l = view->selection_info.selections; l != NULL; l = l->next) {
+ selection = (EvViewSelection *)l->data;
+
+ find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
+
+ if (page != selection->page)
+ continue;
+
+ if (selection->covered_region &&
+ gdk_region_point_in (selection->covered_region, x_offset, y_offset))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/*** Hyperref ***/
+static EvLink *
+ev_view_get_link_at_location (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_offset = 0, y_offset = 0;
+ GList *link_mapping;
+
+ x += view->scroll_x;
+ y += view->scroll_y;
+
+ find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
+
+ if (page == -1)
+ return NULL;
+
+ link_mapping = ev_pixbuf_cache_get_link_mapping (view->pixbuf_cache, page);
+
+ if (link_mapping)
+ return ev_link_mapping_find (link_mapping, x_offset / view->scale, y_offset / view->scale);
+ else
+ return NULL;
+}
+
+static void
+goto_fitr_dest (EvView *view, EvLinkDest *dest)
+{
+ EvPoint doc_point;
+ double zoom;
+
+ zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - ev_link_dest_get_left (dest),
+ ev_link_dest_get_bottom (dest) - ev_link_dest_get_top (dest),
+ ev_view_get_width (view),
+ ev_view_get_height (view), 0, 0);
+
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+ ev_view_set_zoom (view, zoom, FALSE);
+
+ doc_point.x = ev_link_dest_get_left (dest);
+ doc_point.y = ev_link_dest_get_top (dest);
+
+ view->current_page = ev_link_dest_get_page (dest);
+ view->pending_point = doc_point;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+goto_fitv_dest (EvView *view, EvLinkDest *dest)
+{
+ EvPoint doc_point;
+ int doc_width, doc_height, page;
+ double zoom;
+
+ page = ev_link_dest_get_page (dest);
+ ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
+
+ doc_point.x = ev_link_dest_get_left (dest);
+ doc_point.y = 0;
+
+ zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
+ ev_view_get_width (view),
+ ev_view_get_height (view), 0);
+
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+ ev_view_set_zoom (view, zoom, FALSE);
+
+ view->current_page = page;
+ view->pending_point = doc_point;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+goto_fith_dest (EvView *view, EvLinkDest *dest)
+{
+ EvPoint doc_point;
+ int doc_width, doc_height, page;
+ double zoom;
+
+ page = ev_link_dest_get_page (dest);
+ ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
+
+ doc_point.x = 0;
+ doc_point.y = ev_link_dest_get_top (dest);
+
+ zoom = zoom_for_size_fit_width (doc_width, ev_link_dest_get_top (dest),
+ ev_view_get_width (view),
+ ev_view_get_height (view), 0);
+
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+ ev_view_set_zoom (view, zoom, FALSE);
+
+ view->current_page = page;
+ view->pending_point = doc_point;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+goto_fit_dest (EvView *view, EvLinkDest *dest)
+{
+ double zoom;
+ int doc_width, doc_height;
+ int page;
+
+ page = ev_link_dest_get_page (dest);
+ ev_page_cache_get_size (view->page_cache, page, 0, 1.0, &doc_width, &doc_height);
+
+ zoom = zoom_for_size_best_fit (doc_width, doc_height, ev_view_get_width (view),
+ ev_view_get_height (view), 0, 0);
+
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+ ev_view_set_zoom (view, zoom, FALSE);
+
+ view->current_page = page;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+goto_xyz_dest (EvView *view, EvLinkDest *dest)
+{
+ EvPoint doc_point;
+ int height, page;
+ double zoom;
+
+ zoom = ev_link_dest_get_zoom (dest);
+ page = ev_link_dest_get_page (dest);
+ ev_page_cache_get_size (view->page_cache, page, 0, 1.0, NULL, &height);
+
+ if (zoom != 0) {
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+ ev_view_set_zoom (view, zoom, FALSE);
+ }
+
+ doc_point.x = ev_link_dest_get_left (dest);
+ doc_point.y = ev_link_dest_get_top (dest);
+
+ view->current_page = page;
+ view->pending_point = doc_point;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+goto_dest (EvView *view, EvLinkDest *dest)
+{
+ EvLinkDestType type;
+ int page, n_pages;
+
+ page = ev_link_dest_get_page (dest);
+ n_pages = ev_page_cache_get_n_pages (view->page_cache);
+
+ if (page < 0 || page >= n_pages)
+ return;
+
+ type = ev_link_dest_get_dest_type (dest);
+
+ switch (type) {
+ case EV_LINK_DEST_TYPE_PAGE:
+ ev_page_cache_set_current_page (view->page_cache, page);
+ break;
+ case EV_LINK_DEST_TYPE_FIT:
+ goto_fit_dest (view, dest);
+ break;
+ case EV_LINK_DEST_TYPE_FITH:
+ goto_fith_dest (view, dest);
+ break;
+ case EV_LINK_DEST_TYPE_FITV:
+ goto_fitv_dest (view, dest);
+ break;
+ case EV_LINK_DEST_TYPE_FITR:
+ goto_fitr_dest (view, dest);
+ break;
+ case EV_LINK_DEST_TYPE_XYZ:
+ goto_xyz_dest (view, dest);
+ break;
+ case EV_LINK_DEST_TYPE_PAGE_LABEL:
+ ev_page_cache_set_page_label (view->page_cache, ev_link_dest_get_page_label (dest));
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+}
+
+void
+ev_view_goto_dest (EvView *view, EvLinkDest *dest)
+{
+ EvLinkDestType type;
+
+ type = ev_link_dest_get_dest_type (dest);
+
+ if (type == EV_LINK_DEST_TYPE_NAMED) {
+ EvLinkDest *dest2;
+ const gchar *named_dest;
+
+ named_dest = ev_link_dest_get_named_dest (dest);
+ dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
+ named_dest);
+ if (dest2) {
+ goto_dest (view, dest2);
+ g_object_unref (dest2);
+ }
+
+ return;
+ }
+
+ goto_dest (view, dest);
+}
+
+void
+ev_view_handle_link (EvView *view, EvLink *link)
+{
+ EvLinkAction *action = NULL;
+ EvLinkActionType type;
+
+ action = ev_link_get_action (link);
+ if (!action)
+ return;
+
+ type = ev_link_action_get_action_type (action);
+
+ switch (type) {
+ case EV_LINK_ACTION_TYPE_GOTO_DEST: {
+ EvLinkDest *dest;
+
+ dest = ev_link_action_get_dest (action);
+ ev_view_goto_dest (view, dest);
+ }
+ break;
+ case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
+ case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
+ case EV_LINK_ACTION_TYPE_LAUNCH:
+ case EV_LINK_ACTION_TYPE_NAMED:
+ g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
+ break;
+ }
+}
+
+static gchar *
+page_label_from_dest (EvView *view, EvLinkDest *dest)
+{
+ EvLinkDestType type;
+ gchar *msg = NULL;
+
+ type = ev_link_dest_get_dest_type (dest);
+
+ switch (type) {
+ case EV_LINK_DEST_TYPE_NAMED: {
+ EvLinkDest *dest2;
+ const gchar *named_dest;
+
+ named_dest = ev_link_dest_get_named_dest (dest);
+ dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
+ named_dest);
+ if (dest2) {
+ msg = ev_page_cache_get_page_label (view->page_cache,
+ ev_link_dest_get_page (dest2));
+ g_object_unref (dest2);
+ }
+ }
+
+ break;
+ default:
+ msg = ev_page_cache_get_page_label (view->page_cache,
+ ev_link_dest_get_page (dest));
+ }
+
+ return msg;
+}
+
+static char *
+tip_from_action_named (EvLinkAction *action)
+{
+ const gchar *name = ev_link_action_get_name (action);
+
+ if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
+ return g_strdup (_("Go to first page"));
+ } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
+ return g_strdup (_("Go to previous page"));
+ } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
+ return g_strdup (_("Go to next page"));
+ } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
+ return g_strdup (_("Go to last page"));
+ } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
+ return g_strdup (_("Go to page"));
+ } else if (g_ascii_strcasecmp (name, "Find") == 0) {
+ return g_strdup (_("Find"));
+ }
+
+ return NULL;
+}
+
+static char *
+tip_from_link (EvView *view, EvLink *link)
+{
+ EvLinkAction *action;
+ EvLinkActionType type;
+ char *msg = NULL;
+ char *page_label;
+ const char *title;
+
+ action = ev_link_get_action (link);
+ title = ev_link_get_title (link);
+
+ if (!action)
+ return title ? g_strdup (title) : NULL;
+
+ type = ev_link_action_get_action_type (action);
+
+ switch (type) {
+ case EV_LINK_ACTION_TYPE_GOTO_DEST:
+ page_label = page_label_from_dest (view,
+ ev_link_action_get_dest (action));
+ msg = g_strdup_printf (_("Go to page %s"), page_label);
+ g_free (page_label);
+ break;
+ case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
+ if (title) {
+ msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
+ ev_link_action_get_filename (action));
+ } else {
+ msg = g_strdup_printf (_("Go to file “%s”"),
+ ev_link_action_get_filename (action));
+ }
+
+ break;
+ case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
+ msg = g_strdup (ev_link_action_get_uri (action));
+ break;
+ case EV_LINK_ACTION_TYPE_LAUNCH:
+ msg = g_strdup_printf (_("Launch %s"),
+ ev_link_action_get_filename (action));
+ break;
+ case EV_LINK_ACTION_TYPE_NAMED:
+ msg = tip_from_action_named (action);
+ break;
+ default:
+ if (title)
+ msg = g_strdup (title);
+ break;
+ }
+
+ return msg;
+}
+
+static void
+handle_link_over_xy (EvView *view, gint x, gint y)
+{
+ EvLink *link;
+
+ link = ev_view_get_link_at_location (view, x, y);
+
+ if (view->link_tooltip == NULL) {
+ view->link_tooltip = ev_tooltip_new (GTK_WIDGET (view));
+ }
+
+ if (view->hovered_link != link) {
+ view->hovered_link = link;
+ ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
+ }
+
+ if (link) {
+ char *msg = tip_from_link (view, link);
+
+ if (msg && g_utf8_validate (msg, -1, NULL)) {
+ EvTooltip *tooltip = EV_TOOLTIP (view->link_tooltip);
+
+ ev_tooltip_set_position (tooltip, x, y);
+ ev_tooltip_set_text (tooltip, msg);
+ ev_tooltip_activate (tooltip);
+ }
+ g_free (msg);
+
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
+ } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
+ } else {
+ ev_view_set_status (view, NULL);
+ if (view->cursor == EV_VIEW_CURSOR_LINK ||
+ view->cursor == EV_VIEW_CURSOR_IBEAM)
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
+ }
+ return;
+}
+
+/*** GtkWidget implementation ***/
+
+static void
+ev_view_size_request_continuous_dual_page (EvView *view,
+ GtkRequisition *requisition)
+{
+ int max_width;
+ gint n_pages;
+ GtkBorder border;
+
+ ev_page_cache_get_max_width (view->page_cache, view->rotation,
+ view->scale, &max_width);
+ compute_border (view, max_width, max_width, &border);
+
+ n_pages = ev_page_cache_get_n_pages (view->page_cache) + 1;
+
+ requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
+ get_page_y_offset (view, n_pages, view->scale, &requisition->height);
+
+ if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
+ requisition->width = 1;
+ } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
+ requisition->width = 1;
+ /* FIXME: This could actually be set on one page docs or docs
+ * with a strange aspect ratio. */
+ /* requisition->height = 1;*/
+ }
+}
+
+static void
+ev_view_size_request_continuous (EvView *view,
+ GtkRequisition *requisition)
+{
+ int max_width;
+ int n_pages;
+ GtkBorder border;
+
+
+ ev_page_cache_get_max_width (view->page_cache, view->rotation,
+ view->scale, &max_width);
+ n_pages = ev_page_cache_get_n_pages (view->page_cache);
+ compute_border (view, max_width, max_width, &border);
+
+ requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
+ get_page_y_offset (view, n_pages, view->scale, &requisition->height);
+
+ if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
+ requisition->width = 1;
+ } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
+ requisition->width = 1;
+ /* FIXME: This could actually be set on one page docs or docs
+ * with a strange aspect ratio. */
+ /* requisition->height = 1;*/
+ }
+}
+
+static void
+ev_view_size_request_dual_page (EvView *view,
+ GtkRequisition *requisition)
+{
+ GtkBorder border;
+ gint width, height;
+
+ /* Find the largest of the two. */
+ ev_page_cache_get_size (view->page_cache,
+ view->current_page,
+ view->rotation,
+ view->scale,
+ &width, &height);
+ if (view->current_page + 1 < ev_page_cache_get_n_pages (view->page_cache)) {
+ gint width_2, height_2;
+ ev_page_cache_get_size (view->page_cache,
+ view->current_page + 1,
+ view->rotation,
+ view->scale,
+ &width_2, &height_2);
+ if (width_2 > width) {
+ width = width_2;
+ height = height_2;
+ }
+ }
+ compute_border (view, width, height, &border);
+
+ requisition->width = ((width + border.left + border.right) * 2) +
+ (view->spacing * 3);
+ requisition->height = (height + border.top + border.bottom) +
+ (view->spacing * 2);
+
+ if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
+ requisition->width = 1;
+ } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
+ requisition->width = 1;
+ requisition->height = 1;
+ }
+}
+
+static void
+ev_view_size_request_single_page (EvView *view,
+ GtkRequisition *requisition)
+{
+ GtkBorder border;
+ gint width, height;
+
+ ev_page_cache_get_size (view->page_cache,
+ view->current_page,
+ view->rotation,
+ view->scale,
+ &width, &height);
+ compute_border (view, width, height, &border);
+
+ requisition->width = width + border.left + border.right + (2 * view->spacing);
+ requisition->height = height + border.top + border.bottom + (2 * view->spacing);
+
+ if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
+ requisition->width = 1;
+ requisition->height = height + border.top + border.bottom + (2 * view->spacing);
+ } else if (view->sizing_mode == EV_SIZING_BEST_FIT) {
+ requisition->width = 1;
+ requisition->height = 1;
+ }
+}
+
+static void
+ev_view_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ EvView *view = EV_VIEW (widget);
+
+ if (view->document == NULL) {
+ requisition->width = 1;
+ requisition->height = 1;
+ return;
+ }
+
+ if (view->presentation) {
+ requisition->width = 1;
+ requisition->height = 1;
+ return;
+ }
+
+ if (view->continuous && view->dual_page)
+ ev_view_size_request_continuous_dual_page (view, requisition);
+ else if (view->continuous)
+ ev_view_size_request_continuous (view, requisition);
+ else if (view->dual_page)
+ ev_view_size_request_dual_page (view, requisition);
+ else
+ ev_view_size_request_single_page (view, requisition);
+}
+
+static void
+ev_view_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ EvView *view = EV_VIEW (widget);
+
+ if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
+ view->sizing_mode == EV_SIZING_BEST_FIT) {
+
+ g_signal_emit (view, signals[SIGNAL_ZOOM_INVALID], 0);
+
+ ev_view_size_request (widget, &widget->requisition);
+ }
+
+ view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
+ view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
+
+ view->pending_scroll = SCROLL_TO_KEEP_POSITION;
+ view->pending_resize = FALSE;
+
+ if (view->document)
+ view_update_range_and_current_page (view);
+
+ GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
+}
+
+static void
+ev_view_realize (GtkWidget *widget)
+{
+ EvView *view = EV_VIEW (widget);
+ GdkWindowAttr attributes;
+
+ GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+
+
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.colormap = gtk_widget_get_colormap (widget);
+
+ attributes.x = widget->allocation.x;
+ attributes.y = widget->allocation.y;
+ attributes.width = widget->allocation.width;
+ attributes.height = widget->allocation.height;
+ attributes.event_mask = GDK_EXPOSURE_MASK |
+ GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_SCROLL_MASK |
+ GDK_KEY_PRESS_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_LEAVE_NOTIFY_MASK;
+
+ widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
+ &attributes,
+ GDK_WA_X | GDK_WA_Y |
+ GDK_WA_COLORMAP |
+ GDK_WA_VISUAL);
+ gdk_window_set_user_data (widget->window, widget);
+ widget->style = gtk_style_attach (widget->style, widget->window);
+
+ if (view->presentation)
+ gdk_window_set_background (widget->window, &widget->style->black);
+ else
+ gdk_window_set_background (widget->window, &widget->style->mid [GTK_STATE_NORMAL]);
+}
+
+static gboolean
+ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
+{
+ EvView *view = EV_VIEW (widget);
+ guint state;
+
+ state = event->state & gtk_accelerator_get_default_mod_mask ();
+
+ if (state == GDK_CONTROL_MASK && view->presentation == FALSE) {
+ ev_view_set_sizing_mode (view, EV_SIZING_FREE);
+
+ if (event->direction == GDK_SCROLL_UP ||
+ event->direction == GDK_SCROLL_LEFT) {
+ if (ev_view_can_zoom_in (view)) {
+ ev_view_zoom_in (view);
+ }
+ } else {
+ if (ev_view_can_zoom_out (view)) {
+ ev_view_zoom_out (view);
+ }
+ }
+
+ return TRUE;
+ }
+
+ view->jump_to_find_result = FALSE;
+ /* Shift+Wheel scrolls the in the perpendicular direction */
+ if (state & GDK_SHIFT_MASK) {
+ if (event->direction == GDK_SCROLL_UP)
+ event->direction = GDK_SCROLL_LEFT;
+ if (event->direction == GDK_SCROLL_LEFT)
+ event->direction = GDK_SCROLL_UP;
+ if (event->direction == GDK_SCROLL_DOWN)
+ event->direction = GDK_SCROLL_RIGHT;
+ if (event->direction == GDK_SCROLL_RIGHT)
+ event->direction = GDK_SCROLL_DOWN;
+
+ event->state &= ~GDK_SHIFT_MASK;
+ state &= ~GDK_SHIFT_MASK;
+ }
+
+ if (state == 0 && view->presentation) {
+ switch (event->direction) {
+ case GDK_SCROLL_DOWN:
+ case GDK_SCROLL_RIGHT:
+ ev_view_next_page (view);
+ break;
+ case GDK_SCROLL_UP:
+ case GDK_SCROLL_LEFT:
+ ev_view_previous_page (view);
+ break;
+ }
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static EvViewSelection *
+find_selection_for_page (EvView *view,
+ gint page)
+{
+ GList *list;
+
+ for (list = view->selection_info.selections; list != NULL; list = list->next) {
+ EvViewSelection *selection;
+
+ selection = (EvViewSelection *) list->data;
+
+ if (selection->page == page)
+ return selection;
+ }
+
+ return NULL;
+}
+
+static gboolean
+ev_view_expose_event (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ EvView *view = EV_VIEW (widget);
+ int i;
+
+ if (view->loading) {
+ GdkRectangle area = {0};
+
+ area.width = widget->allocation.width;
+ area.height = widget->allocation.height;
+
+ draw_loading_text (view,
+ &area,
+ &(event->area));
+ }
+
+ if (view->document == NULL)
+ return FALSE;
+
+ for (i = view->start_page; i <= view->end_page; i++) {
+ GdkRectangle page_area;
+ GtkBorder border;
+ gboolean page_ready = TRUE;
+
+ if (!get_page_extents (view, i, &page_area, &border))
+ continue;
+
+ page_area.x -= view->scroll_x;
+ page_area.y -= view->scroll_y;
+
+ draw_one_page (view, i, &page_area, &border, &(event->area), &page_ready);
+
+ if (page_ready && EV_IS_DOCUMENT_FIND (view->document))
+ highlight_find_results (view, i);
+ }
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_popup_menu (GtkWidget *widget)
+{
+ gint x, y;
+ EvLink *link;
+ EvView *view = EV_VIEW (widget);
+
+ gtk_widget_get_pointer (widget, &x, &y);
+ link = ev_view_get_link_at_location (view, x, y);
+ g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
+ return TRUE;
+}
+
+static gboolean
+ev_view_button_press_event (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ EvView *view = EV_VIEW (widget);
+ EvLink *link;
+
+ if (!GTK_WIDGET_HAS_FOCUS (widget)) {
+ gtk_widget_grab_focus (widget);
+ }
+
+ view->pressed_button = event->button;
+ view->selection_info.in_drag = FALSE;
+
+ switch (event->button) {
+ case 1:
+ if (view->selection_info.selections) {
+ if (location_in_selected_text (view,
+ event->x + view->scroll_x,
+ event->y + view->scroll_y)) {
+ view->selection_info.in_drag = TRUE;
+ } else {
+ clear_selection (view);
+ }
+
+ gtk_widget_queue_draw (widget);
+ }
+
+ view->selection_info.start.x = event->x + view->scroll_x;
+ view->selection_info.start.y = event->y + view->scroll_y;
+
+ return TRUE;
+ case 2:
+ /* use root coordinates as reference point because
+ * scrolling changes window relative coordinates */
+ view->drag_info.start.x = event->x_root;
+ view->drag_info.start.y = event->y_root;
+ view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
+ view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
+
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
+
+ return TRUE;
+ case 3:
+ link = ev_view_get_link_at_location (view, event->x, event->y);
+ g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, link);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+ev_view_drag_data_get (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time)
+{
+ EvView *view = EV_VIEW (widget);
+
+ if (view->selection_info.selections &&
+ ev_document_can_get_text (view->document)) {
+ gchar *text;
+
+ text = get_selected_text (view);
+
+ gtk_selection_data_set_text (selection_data, text, strlen (text));
+
+ g_free (text);
+ }
+}
+
+static gboolean
+selection_update_idle_cb (EvView *view)
+{
+ compute_selections (view, &view->selection_info.start, &view->motion);
+ view->selection_update_id = 0;
+ return FALSE;
+}
+
+static gboolean
+selection_scroll_timeout_cb (EvView *view)
+{
+ gint x, y, shift = 0;
+ GtkWidget *widget = GTK_WIDGET (view);
+
+ gtk_widget_get_pointer (widget, &x, &y);
+
+ if (y > widget->allocation.height) {
+ shift = (y - widget->allocation.height) / 2;
+ } else if (y < 0) {
+ shift = y / 2;
+ }
+
+ if (shift)
+ gtk_adjustment_set_value (view->vadjustment,
+ CLAMP (view->vadjustment->value + shift,
+ view->vadjustment->lower,
+ view->vadjustment->upper -
+ view->vadjustment->page_size));
+
+ if (x > widget->allocation.width) {
+ shift = (x - widget->allocation.width) / 2;
+ } else if (x < 0) {
+ shift = x / 2;
+ }
+
+ if (shift)
+ gtk_adjustment_set_value (view->hadjustment,
+ CLAMP (view->hadjustment->value + shift,
+ view->hadjustment->lower,
+ view->hadjustment->upper -
+ view->hadjustment->page_size));
+
+ return TRUE;
+}
+
+static gboolean
+ev_view_motion_notify_event (GtkWidget *widget,
+ GdkEventMotion *event)
+{
+ EvView *view = EV_VIEW (widget);
+ gint x, y;
+
+ if (!view->document)
+ return FALSE;
+
+ if (event->is_hint || event->window != widget->window) {
+ gtk_widget_get_pointer (widget, &x, &y);
+ } else {
+ x = event->x;
+ y = event->y;
+ }
+
+ if (view->selection_info.in_drag) {
+ if (gtk_drag_check_threshold (widget,
+ view->selection_info.start.x,
+ view->selection_info.start.y,
+ x, y)) {
+ GdkDragContext *context;
+ GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
+
+ gtk_target_list_add_text_targets (target_list, 0);
+
+ context = gtk_drag_begin (widget, target_list,
+ GDK_ACTION_COPY,
+ 1, (GdkEvent *)event);
+
+ view->selection_info.in_drag = FALSE;
+
+ gtk_target_list_unref (target_list);
+
+ return TRUE;
+ }
+ }
+
+ /* For the Evince 0.4.x release, we limit selection to un-rotated
+ * documents only.
+ */
+ if (view->pressed_button == 1 && view->rotation == 0) {
+
+ /* Schedule timeout to scroll during selection and additionally
+ * scroll once to allow arbitrary speed. */
+ if (!view->selection_scroll_id)
+ view->selection_scroll_id = g_timeout_add (SCROLL_TIME, (GSourceFunc)selection_scroll_timeout_cb, view);
+ else
+ selection_scroll_timeout_cb (view);
+
+ view->selection_info.in_selection = TRUE;
+ view->motion.x = x + view->scroll_x;
+ view->motion.y = y + view->scroll_y;
+
+ /* Queue an idle to handle the motion. We do this because
+ * handling any selection events in the motion could be slower
+ * than new motion events reach us. We always put it in the
+ * idle to make sure we catch up and don't visibly lag the
+ * mouse. */
+ if (!view->selection_update_id)
+ view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
+
+ return TRUE;
+ } else if (view->pressed_button == 2) {
+ if (!view->drag_info.in_drag) {
+ gboolean start;
+
+ start = gtk_drag_check_threshold (widget,
+ view->drag_info.start.x,
+ view->drag_info.start.y,
+ event->x_root,
+ event->y_root);
+ view->drag_info.in_drag = start;
+ }
+
+ if (view->drag_info.in_drag) {
+ int dx, dy;
+ gdouble dhadj_value, dvadj_value;
+
+ dx = event->x_root - view->drag_info.start.x;
+ dy = event->y_root - view->drag_info.start.y;
+
+ dhadj_value = view->hadjustment->page_size *
+ (gdouble)dx / widget->allocation.width;
+ dvadj_value = view->vadjustment->page_size *
+ (gdouble)dy / widget->allocation.height;
+
+ /* clamp scrolling to visible area */
+ gtk_adjustment_set_value (view->hadjustment,
+ MIN(view->drag_info.hadj - dhadj_value,
+ view->hadjustment->upper -
+ view->hadjustment->page_size));
+ gtk_adjustment_set_value (view->vadjustment,
+ MIN(view->drag_info.vadj - dvadj_value,
+ view->vadjustment->upper -
+ view->vadjustment->page_size));
+
+ return TRUE;
+ }
+ /* For the Evince 0.4.x release, we limit links to un-rotated documents
+ * only.
+ */
+ } else if (view->pressed_button <= 0 &&
+ view->rotation == 0) {
+ handle_link_over_xy (view, x, y);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_button_release_event (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ EvView *view = EV_VIEW (widget);
+ EvLink *link;
+
+ if (view->pressed_button == 2) {
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
+ }
+
+ if (view->document) {
+ link = ev_view_get_link_at_location (view, event->x, event->y);
+ } else {
+ link = NULL;
+ }
+
+ view->pressed_button = -1;
+ view->drag_info.in_drag = FALSE;
+
+ if (view->selection_scroll_id) {
+ g_source_remove (view->selection_scroll_id);
+ view->selection_scroll_id = 0;
+ }
+ if (view->selection_update_id) {
+ g_source_remove (view->selection_update_id);
+ view->selection_update_id = 0;
+ }
+
+ if (view->selection_info.selections) {
+ ev_view_update_primary_selection (view);
+
+ if (view->selection_info.in_drag) {
+ clear_selection (view);
+ gtk_widget_queue_draw (widget);
+ }
+
+ view->selection_info.in_drag = FALSE;
+ } else if (link) {
+ ev_view_handle_link (view, link);
+ } else if (view->presentation) {
+ switch (event->button) {
+ case 1:
+ ev_view_next_page (view);
+ return TRUE;
+ case 3:
+ ev_view_previous_page (view);
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+static gint
+ev_view_focus_in (GtkWidget *widget,
+ GdkEventFocus *event)
+{
+ if (EV_VIEW (widget)->pixbuf_cache)
+ ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
+ gtk_widget_queue_draw (widget);
+
+ return FALSE;
+}
+
+static gint
+ev_view_focus_out (GtkWidget *widget,
+ GdkEventFocus *event)
+{
+ if (EV_VIEW (widget)->pixbuf_cache)
+ ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
+ gtk_widget_queue_draw (widget);
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
+{
+ EvView *view = EV_VIEW (widget);
+
+ ev_view_set_status (view, NULL);
+
+ if (view->cursor == EV_VIEW_CURSOR_LINK ||
+ view->cursor == EV_VIEW_CURSOR_IBEAM)
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
+
+ if (view->link_tooltip) {
+ view->hovered_link = NULL;
+ ev_tooltip_deactivate (EV_TOOLTIP (view->link_tooltip));
+ }
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
+{
+ EvView *view = EV_VIEW (widget);
+
+ handle_link_over_xy (view, event->x, event->y);
+
+ return FALSE;
+}
+
+static void
+ev_view_style_set (GtkWidget *widget,
+ GtkStyle *old_style)
+{
+ if (EV_VIEW (widget)->pixbuf_cache)
+ ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
+
+ GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
+}
+
+/*** Drawing ***/
+
+static guint32
+ev_gdk_color_to_rgb (const GdkColor *color)
+{
+ guint32 result;
+ result = (0xff0000 | (color->red & 0xff00));
+ result <<= 8;
+ result |= ((color->green & 0xff00) | (color->blue >> 8));
+ return result;
+}
+
+static void
+draw_rubberband (GtkWidget *widget, GdkWindow *window,
+ const GdkRectangle *rect, guchar alpha)
+{
+ GdkGC *gc;
+ GdkPixbuf *pixbuf;
+ GdkColor *fill_color_gdk;
+ guint fill_color;
+
+ fill_color_gdk = gdk_color_copy (>K_WIDGET (widget)->style->base[GTK_STATE_SELECTED]);
+ fill_color = ev_gdk_color_to_rgb (fill_color_gdk) << 8 | alpha;
+
+ pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
+ rect->width, rect->height);
+ gdk_pixbuf_fill (pixbuf, fill_color);
+
+ gdk_draw_pixbuf (window, NULL, pixbuf,
+ 0, 0,
+ rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
+ rect->width, rect->height,
+ GDK_RGB_DITHER_NONE,
+ 0, 0);
+
+ g_object_unref (pixbuf);
+
+ gc = gdk_gc_new (window);
+ gdk_gc_set_rgb_fg_color (gc, fill_color_gdk);
+ gdk_draw_rectangle (window, gc, FALSE,
+ rect->x - EV_VIEW (widget)->scroll_x, rect->y - EV_VIEW (widget)->scroll_y,
+ rect->width - 1,
+ rect->height - 1);
+ g_object_unref (gc);
+
+ gdk_color_free (fill_color_gdk);
+}
+
+
+static void
+highlight_find_results (EvView *view, int page)
+{
+ EvDocumentFind *find;
+ int i, results = 0;
+
+ g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
+
+ find = EV_DOCUMENT_FIND (view->document);
+
+ results = ev_document_find_get_n_results (find, page);
+
+ for (i = 0; i < results; i++) {
+ EvRectangle rectangle;
+ GdkRectangle view_rectangle;
+ guchar alpha;
+
+ if (i == view->find_result && page == view->current_page) {
+ alpha = 0x90;
+ } else {
+ alpha = 0x20;
+ }
+
+ ev_document_find_get_result (find, page, i, &rectangle);
+ doc_rect_to_view_rect (view, page, &rectangle, &view_rectangle);
+ draw_rubberband (GTK_WIDGET (view), GTK_WIDGET(view)->window,
+ &view_rectangle, alpha);
+ }
+}
+
+static void
+draw_loading_text (EvView *view,
+ GdkRectangle *page_area,
+ GdkRectangle *expose_area)
+{
+ PangoLayout *layout;
+ PangoFontDescription *font_desc;
+ PangoRectangle logical_rect;
+ double real_scale;
+ int target_width;
+
+ const char *loading_text = _("Loading...");
+
+ layout = gtk_widget_create_pango_layout (GTK_WIDGET (view), loading_text);
+
+ font_desc = pango_font_description_new ();
+
+
+ /* We set the font to be 10 points, get the size, and scale appropriately */
+ pango_font_description_set_size (font_desc, 10 * PANGO_SCALE);
+ pango_layout_set_font_description (layout, font_desc);
+ pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
+
+ /* Make sure we fit the middle of the page */
+ target_width = MAX (page_area->width / 2, 1);
+ real_scale = ((double)target_width / (double) logical_rect.width) * (PANGO_SCALE * 10);
+ pango_font_description_set_size (font_desc, (int)real_scale);
+ pango_layout_set_font_description (layout, font_desc);
+ pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
+
+ gtk_paint_layout (GTK_WIDGET (view)->style,
+ GTK_WIDGET (view)->window,
+ GTK_WIDGET_STATE (view),
+ FALSE,
+ page_area,
+ GTK_WIDGET (view),
+ NULL,
+ page_area->x + (target_width/2),
+ page_area->y + (page_area->height - logical_rect.height) / 2,
+ layout);
+
+ pango_font_description_free (font_desc);
+ g_object_unref (layout);
+}
+
+static void
+draw_one_page (EvView *view,
+ gint page,
+ GdkRectangle *page_area,
+ GtkBorder *border,
+ GdkRectangle *expose_area,
+ gboolean *page_ready)
+{
+ gint width, height;
+ GdkPixbuf *current_pixbuf;
+ GdkRectangle overlap;
+ GdkRectangle real_page_area;
+ EvViewSelection *selection;
+ gint current_page;
+
+ g_assert (view->document);
+
+ if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
+ return;
+
+ current_page = ev_page_cache_get_current_page (view->page_cache);
+ selection = find_selection_for_page (view, page);
+ ev_page_cache_get_size (view->page_cache,
+ page, view->rotation,
+ view->scale,
+ &width, &height);
+ /* Render the document itself */
+ real_page_area = *page_area;
+
+ real_page_area.x += border->left;
+ real_page_area.y += border->top;
+ real_page_area.width -= (border->left + border->right);
+ real_page_area.height -= (border->top + border->bottom);
+ *page_ready = TRUE;
+
+ ev_document_misc_paint_one_page (GTK_WIDGET(view)->window,
+ GTK_WIDGET (view),
+ page_area, border,
+ page == current_page);
+
+ if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
+ GdkPixbuf *selection_pixbuf = NULL;
+ GdkPixbuf *scaled_image;
+ GdkPixbuf *scaled_selection;
+
+ current_pixbuf = ev_pixbuf_cache_get_pixbuf (view->pixbuf_cache, page);
+
+ /* Get the selection pixbuf iff we have something to draw */
+ if (current_pixbuf && view->selection_mode == EV_VIEW_SELECTION_TEXT && selection)
+ selection_pixbuf = ev_pixbuf_cache_get_selection_pixbuf (view->pixbuf_cache,
+ page,
+ view->scale,
+ NULL);
+
+ if (current_pixbuf == NULL)
+ scaled_image = NULL;
+ else if (width == gdk_pixbuf_get_width (current_pixbuf) &&
+ height == gdk_pixbuf_get_height (current_pixbuf))
+ scaled_image = g_object_ref (current_pixbuf);
+ else
+ /* FIXME: We don't want to scale the whole area, just the right
+ * area of it */
+ scaled_image = gdk_pixbuf_scale_simple (current_pixbuf,
+ width, height,
+ GDK_INTERP_NEAREST);
+
+ if (selection_pixbuf == NULL)
+ scaled_selection = NULL;
+ else if (width == gdk_pixbuf_get_width (selection_pixbuf) &&
+ height == gdk_pixbuf_get_height (selection_pixbuf))
+ scaled_selection = g_object_ref (selection_pixbuf);
+ else
+ /* FIXME: We don't want to scale the whole area, just the right
+ * area of it */
+ scaled_selection = gdk_pixbuf_scale_simple (selection_pixbuf,
+ width, height,
+ GDK_INTERP_NEAREST);
+
+ if (scaled_image) {
+ gdk_draw_pixbuf (GTK_WIDGET(view)->window,
+ GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
+ scaled_image,
+ overlap.x - real_page_area.x,
+ overlap.y - real_page_area.y,
+ overlap.x, overlap.y,
+ overlap.width, overlap.height,
+ GDK_RGB_DITHER_NORMAL,
+ 0, 0);
+ g_object_unref (scaled_image);
+ } else {
+ draw_loading_text (view,
+ &real_page_area,
+ expose_area);
+ *page_ready = FALSE;
+ }
+
+ if (scaled_selection) {
+ gdk_draw_pixbuf (GTK_WIDGET(view)->window,
+ GTK_WIDGET (view)->style->fg_gc[GTK_STATE_NORMAL],
+ scaled_selection,
+ overlap.x - real_page_area.x,
+ overlap.y - real_page_area.y,
+ overlap.x, overlap.y,
+ overlap.width, overlap.height,
+ GDK_RGB_DITHER_NORMAL,
+ 0, 0);
+ g_object_unref (scaled_selection);
+ }
+ }
+}
+
+/*** GObject functions ***/
+
+static void
+ev_view_finalize (GObject *object)
+{
+ EvView *view = EV_VIEW (object);
+
+ LOG ("Finalize");
+
+ g_free (view->status);
+ g_free (view->find_status);
+
+ clear_selection (view);
+
+ G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
+}
+
+static void
+ev_view_destroy (GtkObject *object)
+{
+ EvView *view = EV_VIEW (object);
+
+ if (view->document) {
+ g_object_unref (view->document);
+ view->document = NULL;
+ }
+
+ if (view->pixbuf_cache) {
+ g_object_unref (view->pixbuf_cache);
+ view->pixbuf_cache = NULL;
+ }
+
+ if (view->link_tooltip) {
+ gtk_widget_destroy (view->link_tooltip);
+ }
+
+ if (view->selection_scroll_id) {
+ g_source_remove (view->selection_scroll_id);
+ view->selection_scroll_id = 0;
+ }
+
+ if (view->selection_update_id) {
+ g_source_remove (view->selection_update_id);
+ view->selection_update_id = 0;
+ }
+
+ ev_view_set_scroll_adjustments (view, NULL, NULL);
+
+ GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
+}
+
+static void
+ev_view_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ EvView *view = EV_VIEW (object);
+
+ switch (prop_id) {
+ case PROP_CONTINUOUS:
+ ev_view_set_continuous (view, g_value_get_boolean (value));
+ break;
+ case PROP_DUAL_PAGE:
+ ev_view_set_dual_page (view, g_value_get_boolean (value));
+ break;
+ case PROP_FULLSCREEN:
+ ev_view_set_fullscreen (view, g_value_get_boolean (value));
+ break;
+ case PROP_PRESENTATION:
+ ev_view_set_presentation (view, g_value_get_boolean (value));
+ break;
+ case PROP_SIZING_MODE:
+ ev_view_set_sizing_mode (view, g_value_get_enum (value));
+ break;
+ case PROP_ZOOM:
+ ev_view_set_zoom (view, g_value_get_double (value), FALSE);
+ break;
+ case PROP_ROTATION:
+ ev_view_set_rotation (view, g_value_get_int (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static AtkObject *
+ev_view_get_accessible (GtkWidget *widget)
+{
+ static gboolean first_time = TRUE;
+
+ if (first_time) {
+ AtkObjectFactory *factory;
+ AtkRegistry *registry;
+ GType derived_type;
+ GType derived_atk_type;
+
+ /*
+ * Figure out whether accessibility is enabled by looking at the
+ * type of the accessible object which would be created for
+ * the parent type of EvView.
+ */
+ derived_type = g_type_parent (EV_TYPE_VIEW);
+
+ registry = atk_get_default_registry ();
+ factory = atk_registry_get_factory (registry,
+ derived_type);
+ derived_atk_type = atk_object_factory_get_accessible_type (factory);
+ if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
+ atk_registry_set_factory_type (registry,
+ EV_TYPE_VIEW,
+ ev_view_accessible_factory_get_type ());
+ first_time = FALSE;
+ }
+ return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
+}
+
+static void
+ev_view_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ EvView *view = EV_VIEW (object);
+
+ switch (prop_id) {
+ case PROP_STATUS:
+ g_value_set_string (value, view->status);
+ break;
+ case PROP_FIND_STATUS:
+ g_value_set_string (value, view->status);
+ break;
+ case PROP_CONTINUOUS:
+ g_value_set_boolean (value, view->continuous);
+ break;
+ case PROP_DUAL_PAGE:
+ g_value_set_boolean (value, view->dual_page);
+ break;
+ case PROP_FULLSCREEN:
+ g_value_set_boolean (value, view->fullscreen);
+ break;
+ case PROP_PRESENTATION:
+ g_value_set_boolean (value, view->presentation);
+ break;
+ case PROP_SIZING_MODE:
+ g_value_set_enum (value, view->sizing_mode);
+ break;
+ case PROP_ZOOM:
+ g_value_set_double (value, view->scale);
+ break;
+ case PROP_ROTATION:
+ g_value_set_int (value, view->rotation);
+ break;
+ case PROP_HAS_SELECTION:
+ g_value_set_boolean (value,
+ view->selection_info.selections != NULL);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static void
+ev_view_class_init (EvViewClass *class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+ GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+ GtkBindingSet *binding_set;
+
+ object_class->finalize = ev_view_finalize;
+ object_class->set_property = ev_view_set_property;
+ object_class->get_property = ev_view_get_property;
+
+ widget_class->expose_event = ev_view_expose_event;
+ widget_class->button_press_event = ev_view_button_press_event;
+ widget_class->motion_notify_event = ev_view_motion_notify_event;
+ widget_class->button_release_event = ev_view_button_release_event;
+ widget_class->focus_in_event = ev_view_focus_in;
+ widget_class->focus_out_event = ev_view_focus_out;
+ widget_class->get_accessible = ev_view_get_accessible;
+ widget_class->size_request = ev_view_size_request;
+ widget_class->size_allocate = ev_view_size_allocate;
+ widget_class->realize = ev_view_realize;
+ widget_class->scroll_event = ev_view_scroll_event;
+ widget_class->enter_notify_event = ev_view_enter_notify_event;
+ widget_class->leave_notify_event = ev_view_leave_notify_event;
+ widget_class->style_set = ev_view_style_set;
+ widget_class->drag_data_get = ev_view_drag_data_get;
+ widget_class->popup_menu = ev_view_popup_menu;
+ gtk_object_class->destroy = ev_view_destroy;
+
+ class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
+ class->binding_activated = ev_view_scroll;
+
+ widget_class->set_scroll_adjustments_signal =
+ g_signal_new ("set-scroll-adjustments",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, set_scroll_adjustments),
+ NULL, NULL,
+ ev_marshal_VOID__OBJECT_OBJECT,
+ G_TYPE_NONE, 2,
+ GTK_TYPE_ADJUSTMENT,
+ GTK_TYPE_ADJUSTMENT);
+
+ signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, binding_activated),
+ NULL, NULL,
+ ev_marshal_VOID__ENUM_BOOLEAN,
+ G_TYPE_NONE, 2,
+ GTK_TYPE_SCROLL_TYPE,
+ G_TYPE_BOOLEAN);
+
+ signals[SIGNAL_ZOOM_INVALID] = g_signal_new ("zoom-invalid",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, zoom_invalid),
+ NULL, NULL,
+ ev_marshal_VOID__VOID,
+ G_TYPE_NONE, 0, G_TYPE_NONE);
+ signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, external_link),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1,
+ G_TYPE_OBJECT);
+ signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, popup_menu),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1,
+ G_TYPE_OBJECT);
+
+ g_object_class_install_property (object_class,
+ PROP_STATUS,
+ g_param_spec_string ("status",
+ "Status Message",
+ "The status message",
+ NULL,
+ G_PARAM_READABLE));
+
+ g_object_class_install_property (object_class,
+ PROP_FIND_STATUS,
+ g_param_spec_string ("find-status",
+ "Find Status Message",
+ "The find status message",
+ NULL,
+ G_PARAM_READABLE));
+
+ g_object_class_install_property (object_class,
+ PROP_CONTINUOUS,
+ g_param_spec_boolean ("continuous",
+ "Continuous",
+ "Continuous scrolling mode",
+ TRUE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_DUAL_PAGE,
+ g_param_spec_boolean ("dual-page",
+ "Dual Page",
+ "Two pages visible at once",
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_FULLSCREEN,
+ g_param_spec_boolean ("fullscreen",
+ "Full Screen",
+ "Draw page in a fullscreen fashion",
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_PRESENTATION,
+ g_param_spec_boolean ("presentation",
+ "Presentation",
+ "Draw page in presentation mode",
+ TRUE,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_SIZING_MODE,
+ g_param_spec_enum ("sizing-mode",
+ "Sizing Mode",
+ "Sizing Mode",
+ EV_TYPE_SIZING_MODE,
+ EV_SIZING_FIT_WIDTH,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (object_class,
+ PROP_ZOOM,
+ g_param_spec_double ("zoom",
+ "Zoom factor",
+ "Zoom factor",
+ MIN_SCALE,
+ MAX_SCALE,
+ 1.0,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_ROTATION,
+ g_param_spec_double ("rotation",
+ "Rotation",
+ "Rotation",
+ 0,
+ 360,
+ 0,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_HAS_SELECTION,
+ g_param_spec_boolean ("has-selection",
+ "Has selection",
+ "The view has selections",
+ FALSE,
+ G_PARAM_READABLE));
+
+ binding_set = gtk_binding_set_by_class (class);
+
+ add_scroll_binding_keypad (binding_set, GDK_Left, 0, EV_SCROLL_STEP_BACKWARD, TRUE);
+ add_scroll_binding_keypad (binding_set, GDK_Right, 0, EV_SCROLL_STEP_FORWARD, TRUE);
+ add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, TRUE);
+ add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, TRUE);
+ add_scroll_binding_keypad (binding_set, GDK_Up, 0, EV_SCROLL_STEP_BACKWARD, FALSE);
+ add_scroll_binding_keypad (binding_set, GDK_Down, 0, EV_SCROLL_STEP_FORWARD, FALSE);
+ add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, EV_SCROLL_STEP_DOWN, FALSE);
+ add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, EV_SCROLL_STEP_UP, FALSE);
+}
+
+static void
+ev_view_init (EvView *view)
+{
+ GTK_WIDGET_SET_FLAGS (view, GTK_CAN_FOCUS);
+
+ view->spacing = 5;
+ view->scale = 1.0;
+ view->current_page = 0;
+ view->pressed_button = -1;
+ view->cursor = EV_VIEW_CURSOR_NORMAL;
+ view->drag_info.in_drag = FALSE;
+ view->selection_info.selections = NULL;
+ view->selection_info.in_selection = FALSE;
+ view->selection_info.in_drag = FALSE;
+ view->selection_mode = EV_VIEW_SELECTION_TEXT;
+ view->continuous = TRUE;
+ view->dual_page = FALSE;
+ view->presentation = FALSE;
+ view->fullscreen = FALSE;
+ view->sizing_mode = EV_SIZING_FIT_WIDTH;
+ view->pending_scroll = SCROLL_TO_KEEP_POSITION;
+ view->jump_to_find_result = TRUE;
+}
+
+/*** Callbacks ***/
+
+static void
+find_changed_cb (EvDocument *document, int page, EvView *view)
+{
+ double percent;
+ int n_pages;
+
+ percent = ev_document_find_get_progress
+ (EV_DOCUMENT_FIND (view->document));
+ n_pages = ev_page_cache_get_n_pages (view->page_cache);
+
+ if (view->jump_to_find_result == TRUE) {
+ jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
+ jump_to_find_result (view);
+ }
+ update_find_status_message (view, percent * n_pages >= n_pages - 1 );
+ if (view->current_page == page)
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+}
+
+static void
+job_finished_cb (EvPixbufCache *pixbuf_cache,
+ EvView *view)
+{
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+}
+
+static void
+page_changed_cb (EvPageCache *page_cache,
+ int new_page,
+ EvView *view)
+{
+ if (view->current_page != new_page) {
+ view->current_page = new_page;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+ } else {
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+ }
+
+ if (EV_IS_DOCUMENT_FIND (view->document)) {
+ view->find_result = 0;
+ update_find_status_message (view, TRUE);
+ }
+}
+
+static void on_adjustment_value_changed (GtkAdjustment *adjustment,
+ EvView *view)
+{
+ int dx = 0, dy = 0;
+
+ if (! GTK_WIDGET_REALIZED (view))
+ return;
+
+ if (view->hadjustment) {
+ dx = view->scroll_x - (int) view->hadjustment->value;
+ view->scroll_x = (int) view->hadjustment->value;
+ } else {
+ view->scroll_x = 0;
+ }
+
+ if (view->vadjustment) {
+ dy = view->scroll_y - (int) view->vadjustment->value;
+ view->scroll_y = (int) view->vadjustment->value;
+ } else {
+ view->scroll_y = 0;
+ }
+
+
+ if (view->pending_resize)
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+ else
+ gdk_window_scroll (GTK_WIDGET (view)->window, dx, dy);
+
+
+ if (view->document)
+ view_update_range_and_current_page (view);
+}
+
+GtkWidget*
+ev_view_new (void)
+{
+ GtkWidget *view;
+
+ view = g_object_new (EV_TYPE_VIEW, NULL);
+
+ return view;
+}
+
+static void
+setup_caches (EvView *view)
+{
+ view->page_cache = ev_page_cache_get (view->document);
+ g_signal_connect (view->page_cache, "page-changed", G_CALLBACK (page_changed_cb), view);
+ view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->document);
+ g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
+}
+
+static void
+clear_caches (EvView *view)
+{
+ if (view->pixbuf_cache) {
+ g_object_unref (view->pixbuf_cache);
+ view->pixbuf_cache = NULL;
+ }
+
+ if (view->page_cache) {
+ view->page_cache = NULL;
+ }
+}
+
+void
+ev_view_set_loading (EvView *view,
+ gboolean loading)
+{
+ view->loading = loading;
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+}
+
+void
+ev_view_set_document (EvView *view,
+ EvDocument *document)
+{
+ g_return_if_fail (EV_IS_VIEW (view));
+
+ view->loading = FALSE;
+
+ if (document != view->document) {
+ clear_caches (view);
+
+ if (view->document) {
+ g_signal_handlers_disconnect_by_func (view->document,
+ find_changed_cb,
+ view);
+ g_object_unref (view->document);
+ view->page_cache = NULL;
+
+ }
+
+ view->document = document;
+ view->find_result = 0;
+
+ if (view->document) {
+ g_object_ref (view->document);
+ if (EV_IS_DOCUMENT_FIND (view->document)) {
+ g_signal_connect (view->document,
+ "find_changed",
+ G_CALLBACK (find_changed_cb),
+ view);
+ }
+
+ setup_caches (view);
+ }
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+ }
+}
+
+/*** Zoom and sizing mode ***/
+
+#define EPSILON 0.0000001
+void
+ev_view_set_zoom (EvView *view,
+ double factor,
+ gboolean relative)
+{
+ double scale;
+
+ if (relative)
+ scale = view->scale * factor;
+ else
+ scale = factor;
+
+ scale = CLAMP (scale, MIN_SCALE, MAX_SCALE);
+
+ if (ABS (view->scale - scale) < EPSILON)
+ return;
+
+ view->scale = scale;
+ view->pending_resize = TRUE;
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+
+ g_object_notify (G_OBJECT (view), "zoom");
+}
+
+double
+ev_view_get_zoom (EvView *view)
+{
+ return view->scale;
+}
+
+gboolean
+ev_view_get_continuous (EvView *view)
+{
+ g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
+
+ return view->continuous;
+}
+
+void
+ev_view_set_continuous (EvView *view,
+ gboolean continuous)
+{
+ g_return_if_fail (EV_IS_VIEW (view));
+
+ continuous = continuous != FALSE;
+
+ if (view->continuous != continuous) {
+ view->continuous = continuous;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+ }
+
+ g_object_notify (G_OBJECT (view), "continuous");
+}
+
+gboolean
+ev_view_get_dual_page (EvView *view)
+{
+ g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
+
+ return view->dual_page;
+}
+
+void
+ev_view_set_dual_page (EvView *view,
+ gboolean dual_page)
+{
+ g_return_if_fail (EV_IS_VIEW (view));
+
+ dual_page = dual_page != FALSE;
+
+ if (view->dual_page == dual_page)
+ return;
+
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+ view->dual_page = dual_page;
+ /* FIXME: if we're keeping the pixbuf cache around, we should extend the
+ * preload_cache_size to be 2 if dual_page is set.
+ */
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+
+ g_object_notify (G_OBJECT (view), "dual-page");
+}
+
+void
+ev_view_set_fullscreen (EvView *view,
+ gboolean fullscreen)
+{
+ g_return_if_fail (EV_IS_VIEW (view));
+
+ fullscreen = fullscreen != FALSE;
+
+ if (view->fullscreen == fullscreen)
+ return;
+
+ view->fullscreen = fullscreen;
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+
+ g_object_notify (G_OBJECT (view), "fullscreen");
+}
+
+gboolean
+ev_view_get_fullscreen (EvView *view)
+{
+ g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
+
+ return view->fullscreen;
+}
+
+void
+ev_view_set_presentation (EvView *view,
+ gboolean presentation)
+{
+ g_return_if_fail (EV_IS_VIEW (view));
+
+ presentation = presentation != FALSE;
+
+ if (view->presentation == presentation)
+ return;
+
+ view->presentation = presentation;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+
+ if (GTK_WIDGET_REALIZED (view)) {
+ if (view->presentation)
+ gdk_window_set_background (GTK_WIDGET(view)->window,
+ >K_WIDGET (view)->style->black);
+ else
+ gdk_window_set_background (GTK_WIDGET(view)->window,
+ >K_WIDGET (view)->style->mid [GTK_STATE_NORMAL]);
+ }
+
+
+ g_object_notify (G_OBJECT (view), "presentation");
+}
+
+gboolean
+ev_view_get_presentation (EvView *view)
+{
+ g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
+
+ return view->presentation;
+}
+
+void
+ev_view_set_sizing_mode (EvView *view,
+ EvSizingMode sizing_mode)
+{
+ g_return_if_fail (EV_IS_VIEW (view));
+
+ if (view->sizing_mode == sizing_mode)
+ return;
+
+ view->sizing_mode = sizing_mode;
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+
+ g_object_notify (G_OBJECT (view), "sizing-mode");
+}
+
+EvSizingMode
+ev_view_get_sizing_mode (EvView *view)
+{
+ g_return_val_if_fail (EV_IS_VIEW (view), EV_SIZING_FREE);
+
+ return view->sizing_mode;
+}
+
+gboolean
+ev_view_can_zoom_in (EvView *view)