[gtk/wip/carlosg/fix-crossing-on-unmap] gtkwindow: Use pointer-oriented function to deal with crossing events




commit 54465adff23c5155ed52580beabf50b2a03dff22
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Aug 9 18:49:35 2022 +0200

    gtkwindow: Use pointer-oriented function to deal with crossing events
    
    Commit adba0b97 fixed missed pointer crossings by using a helper function that
    was already present and looked like did everything that was needed. However
    this function was oriented to keyboard focus and it also did update the related
    widget state. Doing these changes on pointer-based crossing was misuse, and
    could cause weird interactions with keyboard focus management.
    
    Fix this by using gtkmain.c gtk_synthesize_crossing_event() that is in fact
    oriented to pointers.
    
    Fixes: adba0b97 (gtkwindow: Synthesize pointer crossing events on state changes)
    Closes: https://gitlab.gnome.org/GNOME/gtk/-/issues/5094

 gtk/gtkmain.c    | 2 +-
 gtk/gtkprivate.h | 9 +++++++++
 gtk/gtkwindow.c  | 7 ++++++-
 3 files changed, 16 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkmain.c b/gtk/gtkmain.c
index f17fb095f5..726ee2e9ac 100644
--- a/gtk/gtkmain.c
+++ b/gtk/gtkmain.c
@@ -1110,7 +1110,7 @@ translate_coordinates (double     event_x,
   return TRUE;
 }
 
-static void
+void
 gtk_synthesize_crossing_events (GtkRoot         *toplevel,
                                 GtkCrossingType  crossing_type,
                                 GtkWidget       *old_target,
diff --git a/gtk/gtkprivate.h b/gtk/gtkprivate.h
index 3495e07efc..7869347cad 100644
--- a/gtk/gtkprivate.h
+++ b/gtk/gtkprivate.h
@@ -152,6 +152,15 @@ char * _gtk_elide_underscores (const char *original);
 
 void setlocale_initialization (void);
 
+void gtk_synthesize_crossing_events (GtkRoot         *toplevel,
+                                     GtkCrossingType  crossing_type,
+                                     GtkWidget       *old_target,
+                                     GtkWidget       *new_target,
+                                     double           surface_x,
+                                     double           surface_y,
+                                     GdkCrossingMode  mode,
+                                     GdkDrop         *drop);
+
 G_END_DECLS
 
 #endif /* __GTK_PRIVATE_H__ */
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 7d7c4a312b..6fcdcf23cf 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -6462,7 +6462,12 @@ gtk_window_update_pointer_focus_on_state_change (GtkWindow *window,
 
           old_target = g_object_ref (focus->target);
           gtk_pointer_focus_repick_target (focus);
-          synthesize_focus_change_events (window, old_target, focus->target, GTK_CROSSING_POINTER);
+          gtk_synthesize_crossing_events (GTK_ROOT (window),
+                                          GTK_CROSSING_POINTER,
+                                          old_target, focus->target,
+                                          focus->x, focus->y,
+                                          GDK_CROSSING_NORMAL,
+                                          NULL);
           g_object_unref (old_target);
         }
 


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