[gtk+] file chooser: search improvements

[Matthias Clasen <matthiasc src gnome org>]

commit b3c28e14fe184ee61f1904021ba42af5052bc9da
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jan 24 13:32:31 2015 -0500

    file chooser: search improvements
    
    Make it so that typing switches to search unless we have a better
    use for the key events, and stop search if the entry is emptied.

 gtk/gtkfilechooserwidget.c |   27 ++++++++++++++++++++++++---
 1 files changed, 24 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkfilechooserwidget.c b/gtk/gtkfilechooserwidget.c
index 8e039a6..c6bd8dd 100644
--- a/gtk/gtkfilechooserwidget.c
+++ b/gtk/gtkfilechooserwidget.c
@@ -64,6 +64,7 @@
 #include "gtkrecentfilter.h"
 #include "gtkrecentmanager.h"
 #include "gtkscrolledwindow.h"
+#include "gtksearchentry.h"
 #include "gtkseparatormenuitem.h"
 #include "gtksettings.h"
 #include "gtksizegroup.h"
@@ -418,7 +419,9 @@ static void     gtk_file_chooser_widget_hierarchy_changed (GtkWidget          *w
                                                            GtkWidget          *previous_toplevel);
 static void     gtk_file_chooser_widget_style_updated  (GtkWidget             *widget);
 static void     gtk_file_chooser_widget_screen_changed (GtkWidget             *widget,
-                                                        GdkScreen             *previous_screen);
+                                                        GdkScreen             *previous_screen);
+static gboolean gtk_file_chooser_widget_key_press_event (GtkWidget            *widget,
+                                                         GdkEventKey          *event);
 
 static gboolean       gtk_file_chooser_widget_set_current_folder          (GtkFileChooser    *chooser,
                                                                            GFile             *folder,
@@ -1239,6 +1242,22 @@ browse_files_key_press_event_cb (GtkWidget   *widget,
   return FALSE;
 }
 
+static gboolean
+gtk_file_chooser_widget_key_press_event (GtkWidget   *widget,
+                                         GdkEventKey *event)
+{
+  GtkFileChooserWidget *impl = (GtkFileChooserWidget *) widget;
+  GtkFileChooserWidgetPrivate *priv = impl->priv;
+
+  if (priv->operation_mode != OPERATION_MODE_SEARCH)
+    operation_mode_set (impl, OPERATION_MODE_SEARCH);
+
+  if (gtk_search_entry_handle_event (GTK_SEARCH_ENTRY (priv->search_entry), (GdkEvent *)event))
+    return TRUE;
+
+  return FALSE;
+}
+
 /* Callback used when the file list's popup menu is detached */
 static void
 popup_menu_detach_cb (GtkWidget *attach_widget,
@@ -6247,8 +6266,6 @@ search_entry_activate_cb (GtkEntry *entry,
   const char *text;
 
   text = gtk_entry_get_text (GTK_ENTRY (priv->search_entry));
-  if (strlen (text) == 0)
-    return;
 
   /* reset any existing query object */
   if (priv->search_query)
@@ -6257,6 +6274,9 @@ search_entry_activate_cb (GtkEntry *entry,
       priv->search_query = NULL;
     }
 
+  if (strlen (text) == 0)
+    return;
+
   search_start_query (impl, text);
 }
 
@@ -7039,6 +7059,7 @@ gtk_file_chooser_widget_class_init (GtkFileChooserWidgetClass *class)
   widget_class->hierarchy_changed = gtk_file_chooser_widget_hierarchy_changed;
   widget_class->style_updated = gtk_file_chooser_widget_style_updated;
   widget_class->screen_changed = gtk_file_chooser_widget_screen_changed;
+  widget_class->key_press_event = gtk_file_chooser_widget_key_press_event;
 
   /*
    * Signals