[gtk/file-chooser-escape] file chooser: Prevent accidental search

[Matthias Clasen <matthiasc src gnome org>]

commit b9467a4dc72282374264d5be9017e40d53284aed
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Apr 28 15:17:32 2019 +0000

    file chooser: Prevent accidental search
    
    When hitting Escape, the file chooser will go
    into search mode, because the search entry
    consumes the key to emit the ::search-stopped
    signal. Recognize this situation and avoid
    switching to search mode in this case.
    
    Closes: https://gitlab.gnome.org/GNOME/gtk/issues/1850

 gtk/gtkfilechooserwidget.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkfilechooserwidget.c b/gtk/gtkfilechooserwidget.c
index 2e93cd334e..9dfe2e4976 100644
--- a/gtk/gtkfilechooserwidget.c
+++ b/gtk/gtkfilechooserwidget.c
@@ -363,6 +363,7 @@ struct _GtkFileChooserWidgetPrivate {
   guint show_size_column : 1;
   guint create_folders : 1;
   guint auto_selecting_first_row : 1;
+  guint starting_search : 1;
 };
 
 #define MAX_LOADING_TIME 500
@@ -1411,9 +1412,11 @@ widget_key_press_cb (GtkEventControllerKey *controller,
     }
   else
     {
+      priv->starting_search = TRUE;
       if (gtk_event_controller_key_forward (controller, priv->search_entry))
         {
-          if (priv->operation_mode != OPERATION_MODE_SEARCH)
+          if (priv->operation_mode != OPERATION_MODE_SEARCH &&
+              priv->starting_search)
             operation_mode_set (impl, OPERATION_MODE_SEARCH);
 
           handled = TRUE;
@@ -7252,6 +7255,8 @@ search_entry_stop_cb (GtkFileChooserWidget *impl)
     search_stop_searching (impl, FALSE);
   else
     g_object_set (impl, "search-mode", FALSE, NULL);
+
+  impl->priv->starting_search = FALSE;
 }
 
 /* Hides the path bar and creates the search entry */