[evince/Move-annotation-popup-window-to-new-position] ev-view: Move annotation popup window to new position

[Marek Kašík <mkasik src gnome org>]

commit 809187676d3910d66dce1ed23181ff59b0dc7020
Author: Marek Kasik <mkasik redhat com>
Date:   Thu Mar 5 13:21:59 2020 +0100

    ev-view: Move annotation popup window to new position
    
    Open annotation popup window at new position if its
    annotation was moved when the popup window was hidden.
    This places existing popup window the same way as when
    it was created.

 libview/ev-view.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
---
diff --git a/libview/ev-view.c b/libview/ev-view.c
index ffbe1704..43a0410d 100644
--- a/libview/ev-view.c
+++ b/libview/ev-view.c
@@ -3390,6 +3390,41 @@ ev_view_handle_annotation (EvView       *view,
 
                        parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
                        window = ev_view_create_annotation_window (view, annot, parent);
+               } else if (window && ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot))) {
+                       EvViewWindowChild *child;
+                       EvMappingList     *annots;
+                       EvRectangle        popup_rect;
+                       EvMapping         *mapping;
+                       GdkPoint           view_point;
+                       EvPoint            annotation_corner;
+
+                       child = ev_view_get_window_child (view, window);
+                       annots = ev_page_cache_get_annot_mapping (view->page_cache,
+                                                                 ev_annotation_get_page_index (annot));
+                       mapping = ev_mapping_list_find (annots, annot);
+                       ev_annotation_markup_get_rectangle (EV_ANNOTATION_MARKUP (annot),
+                                                           &popup_rect);
+
+                       popup_rect.x2 = mapping->area.x2 + popup_rect.x2 - popup_rect.x1;
+                       popup_rect.y2 = mapping->area.y2 + popup_rect.y2 - popup_rect.y1;
+                       popup_rect.x1 = mapping->area.x2;
+                       popup_rect.y1 = mapping->area.y2;
+                       g_object_set (annot,
+                                     "rectangle", &popup_rect,
+                                     "popup_is_open", TRUE,
+                                     NULL);
+
+                       annotation_corner.x = mapping->area.x2;
+                       annotation_corner.y = mapping->area.y2;
+
+                       _ev_view_transform_doc_point_to_view_point (view,
+                                                                   ev_annotation_get_page_index (annot),
+                                                                   &annotation_corner,
+                                                                   &view_point);
+
+                       ev_view_window_child_move (view, child,
+                                                  child->parent_x + view_point.x - view->scroll_x,
+                                                  child->parent_y + view_point.y - view->scroll_y);
                }
                ev_view_annotation_show_popup_window (view, window);
        }