+ n_pages = ev_page_cache_get_n_pages (view->page_cache);
+ for (i = 0; i < n_pages; i++) {
+ int width, height;
+ EvViewSelection *selection;
+
+ ev_page_cache_get_size (view->page_cache,
+ i, 1.0, &width, &height);
+
+ selection = g_new0 (EvViewSelection, 1);
+ selection->page = i;
+ selection->rect.x1 = selection->rect.y1 = 0;
+ selection->rect.x2 = width;
+ selection->rect.y2 = height;
+
+ view->selections = g_list_append (view->selections, selection);
+ }
+
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+}
+
+static char *
+get_selected_text (EvView *ev_view)
+{
+ GString *text;
+ GList *l;
+
+ text = g_string_new (NULL);
+
+ ev_document_doc_mutex_lock ();
+
+ for (l = ev_view->selections; l != NULL; l = l->next) {
+ EvViewSelection *selection = (EvViewSelection *)l->data;
+ char *tmp;
+
+ tmp = ev_document_get_text (ev_view->document,
+ selection->page,
+ &selection->rect);
+ g_string_append (text, tmp);
+ g_free (tmp);
+ }
+
+ ev_document_doc_mutex_unlock ();
+
+ return g_string_free (text, FALSE);
+}
+
+void
+ev_view_copy (EvView *ev_view)
+{
+ GtkClipboard *clipboard;
+ char *text;
+
+ if (!ev_document_can_get_text (ev_view->document)) {
+ return;
+ }
+
+ text = get_selected_text (ev_view);
+ clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
+ GDK_SELECTION_CLIPBOARD);
+ gtk_clipboard_set_text (clipboard, text, -1);
+ g_free (text);
+}
+
+static void
+ev_view_primary_get_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data)
+{
+ EvView *ev_view = EV_VIEW (data);
+ char *text;
+
+ if (!ev_document_can_get_text (ev_view->document)) {
+ return;
+ }
+
+ text = get_selected_text (ev_view);
+ gtk_selection_data_set_text (selection_data, text, -1);
+ g_free (text);
+}
+
+static void
+ev_view_primary_clear_cb (GtkClipboard *clipboard,
+ gpointer data)
+{
+ EvView *view = EV_VIEW (data);
+
+ clear_selection (view);
+}
+
+static void
+ev_view_update_primary_selection (EvView *ev_view)
+{
+ GtkClipboard *clipboard;
+
+ clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
+ GDK_SELECTION_PRIMARY);
+
+ if (ev_view->selections) {
+ if (!gtk_clipboard_set_with_owner (clipboard,
+ targets,
+ G_N_ELEMENTS (targets),
+ ev_view_primary_get_cb,
+ ev_view_primary_clear_cb,
+ G_OBJECT (ev_view)))
+ ev_view_primary_clear_cb (clipboard, ev_view);
+ } else {
+ if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
+ gtk_clipboard_clear (clipboard);
+ }
+}
+
+static GdkCursor *
+ev_view_create_invisible_cursor(void)
+{
+ GdkBitmap *empty;
+ GdkColor black = { 0, 0, 0, 0 };
+ static char bits[] = { 0x00 };
+
+ empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
+
+ return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
+}
+
+static void
+ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
+{
+ GdkCursor *cursor = NULL;
+ GdkDisplay *display;
+ GtkWidget *widget;
+
+ if (view->cursor == new_cursor) {
+ return;
+ }
+
+ widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
+ display = gtk_widget_get_display (widget);
+ view->cursor = new_cursor;
+
+ switch (new_cursor) {
+ case EV_VIEW_CURSOR_NORMAL:
+ gdk_window_set_cursor (widget->window, NULL);
+ break;
+ case EV_VIEW_CURSOR_LINK:
+ cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
+ break;
+ case EV_VIEW_CURSOR_WAIT:
+ cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
+ break;
+ case EV_VIEW_CURSOR_HIDDEN:
+ cursor = ev_view_create_invisible_cursor ();
+ break;
+ case EV_VIEW_CURSOR_DRAG:
+ cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
+ break;
+ }
+
+ if (cursor) {
+ gdk_window_set_cursor (widget->window, cursor);
+ gdk_cursor_unref (cursor);
+ gdk_flush();
+ }
+}
+
+static gboolean
+ev_view_button_press_event (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ EvView *view = EV_VIEW (widget);
+
+ if (!GTK_WIDGET_HAS_FOCUS (widget)) {
+ gtk_widget_grab_focus (widget);
+ }
+
+ view->pressed_button = event->button;
+
+ switch (event->button) {
+ case 1:
+ if (view->selections) {
+ clear_selection (view);
+ gtk_widget_queue_draw (widget);
+ }
+
+ view->selection_start.x = event->x;
+ view->selection_start.y = event->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;
+ }
+
+ return FALSE;
+}
+
+static char *
+status_message_from_link (EvView *view, EvLink *link)
+{
+ EvLinkType type;
+ char *msg = NULL;
+ char *page_label;
+
+ type = ev_link_get_link_type (link);
+
+ switch (type) {
+ case EV_LINK_TYPE_TITLE:
+ if (ev_link_get_title (link))
+ msg = g_strdup (ev_link_get_title (link));
+ break;
+ case EV_LINK_TYPE_PAGE:
+ page_label = ev_page_cache_get_page_label (view->page_cache, ev_link_get_page (link));
+ msg = g_strdup_printf (_("Go to page %s"), page_label);
+ g_free (page_label);
+ break;
+ case EV_LINK_TYPE_EXTERNAL_URI:
+ msg = g_strdup (ev_link_get_uri (link));
+ break;
+ default:
+ break;
+ }
+
+ return msg;
+}
+
+static void
+ev_view_set_status (EvView *view, const char *message)
+{
+ g_return_if_fail (EV_IS_VIEW (view));
+
+ if (message != view->status) {
+ g_free (view->status);
+ view->status = g_strdup (message);
+ g_object_notify (G_OBJECT (view), "status");
+ }
+}
+
+static void
+ev_view_set_find_status (EvView *view, const char *message)
+{
+ g_return_if_fail (EV_IS_VIEW (view));
+
+ g_free (view->find_status);
+ view->find_status = g_strdup (message);
+ g_object_notify (G_OBJECT (view), "find-status");
+}
+
+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 EvLink *
+get_link_at_location (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_offset = 0, y_offset = 0;
+ GList *link_mapping;
+
+ 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 gboolean
+ev_view_motion_notify_event (GtkWidget *widget,
+ GdkEventMotion *event)
+{
+ EvView *view = EV_VIEW (widget);
+
+ if (view->pressed_button == 1) {
+ GdkRectangle selection;
+
+ selection.x = MIN (view->selection_start.x, event->x);
+ selection.y = MIN (view->selection_start.y, event->y);
+ selection.width = ABS (view->selection_start.x - event->x) + 1;
+ selection.height = ABS (view->selection_start.y - event->y) + 1;
+
+ compute_selections (view, &selection);
+
+ gtk_widget_queue_draw (widget);
+
+ return TRUE;
+ } else if (view->pressed_button == 2) {
+ if (!view->drag_info.dragging) {
+ 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.dragging = start;
+ }
+
+ if (view->drag_info.dragging) {
+ 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;
+ }
+ } else if (view->pressed_button <= 0 && view->document) {
+ EvLink *link;
+
+ link = get_link_at_location (view, event->x, event->y);
+ if (link) {
+ char *msg;
+
+ msg = status_message_from_link (view, link);
+ ev_view_set_status (view, msg);
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
+ g_free (msg);
+ } else {
+ ev_view_set_status (view, NULL);
+ if (view->cursor == EV_VIEW_CURSOR_LINK) {
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
+ }
+ }
+ return TRUE;
+ }
+
+ return FALSE;