[gtk+] listbox: Handle unpaired releases as well

[Matthias Clasen <matthiasc src gnome org>]

commit 268ebb3a46ada5bcd6731e8028b3302434e0ce8f
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Nov 26 19:52:01 2017 -0500

    listbox: Handle unpaired releases as well
    
    Same as for flowbox in the previous commit.

 gtk/gtklistbox.c |   29 ++++++++++++++++++++++++++++-
 1 files changed, 28 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtklistbox.c b/gtk/gtklistbox.c
index 97a98d0..4a8f244 100644
--- a/gtk/gtklistbox.c
+++ b/gtk/gtklistbox.c
@@ -243,6 +243,12 @@ static void gtk_list_box_multipress_gesture_released (GtkGestureMultiPress *gest
                                                       gdouble               x,
                                                       gdouble               y,
                                                       GtkListBox           *box);
+static void gtk_list_box_multipress_unpaired_release (GtkGestureMultiPress *gesture,
+                                                      gdouble               x,
+                                                      gdouble               y,
+                                                      guint                 button,
+                                                      GdkEventSequence     *sequence,
+                                                      GtkListBox           *box);
 static void gtk_list_box_multipress_gesture_stopped  (GtkGestureMultiPress *gesture,
                                                       GtkListBox           *box);
 
@@ -603,7 +609,8 @@ gtk_list_box_init (GtkListBox *box)
                     G_CALLBACK (gtk_list_box_multipress_gesture_released), box);
   g_signal_connect (priv->multipress_gesture, "stopped",
                     G_CALLBACK (gtk_list_box_multipress_gesture_stopped), box);
-
+  g_signal_connect (priv->multipress_gesture, "unpaired-released",
+                    G_CALLBACK (gtk_list_box_multipress_unpaired_release), box);
 
   g_signal_connect (box, "notify::parent", G_CALLBACK (gtk_list_box_parent_cb), NULL);
 }
@@ -1774,6 +1781,26 @@ get_current_selection_modifiers (GtkWidget *widget,
 }
 
 static void
+gtk_list_box_multipress_unpaired_release (GtkGestureMultiPress *gesture,
+                                          gdouble               x,
+                                          gdouble               y,
+                                          guint                 button,
+                                          GdkEventSequence     *sequence,
+                                          GtkListBox           *box)
+{
+  GtkListBoxPrivate *priv = BOX_PRIV (box);
+  GtkListBoxRow *row;
+
+  if (!priv->activate_single_click)
+    return;
+
+  row = gtk_list_box_get_row_at_y (box, y);
+
+  if (row)
+    gtk_list_box_select_and_activate (box, row);
+}
+
+static void
 gtk_list_box_multipress_gesture_released (GtkGestureMultiPress *gesture,
                                           guint                 n_press,
                                           gdouble               x,