2004 lines
		
	
	
		
			57 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			2004 lines
		
	
	
		
			57 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* GTK - The GIMP Toolkit
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|  * gtkfilechooserentry.c: Entry with filename completion
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|  * Copyright (C) 2003, Red Hat, Inc.
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|  *
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|  * This library is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Lesser General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2 of the License, or (at your option) any later version.
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|  *
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|  * This library is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with this library; if not, write to the
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|  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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|  * Boston, MA 02111-1307, USA.
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|  */
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| 
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| #include "config.h"
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| #include <string.h>
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| 
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| #include "gtkalignment.h"
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| #include "gtkcelllayout.h"
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| #include "gtkcellrenderertext.h"
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| #include "gtkentry.h"
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| #include "gtkfilechooserentry.h"
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| #include "gtklabel.h"
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| #include "gtkmain.h"
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| #include "gtkwindow.h"
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| #include "gtkintl.h"
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| #include "gtkalias.h"
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| 
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| typedef struct _GtkFileChooserEntryClass GtkFileChooserEntryClass;
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| 
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| #define GTK_FILE_CHOOSER_ENTRY_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_CHOOSER_ENTRY, GtkFileChooserEntryClass))
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| #define GTK_IS_FILE_CHOOSER_ENTRY_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_CHOOSER_ENTRY))
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| #define GTK_FILE_CHOOSER_ENTRY_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_CHOOSER_ENTRY, GtkFileChooserEntryClass))
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| 
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| struct _GtkFileChooserEntryClass
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| {
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|   GtkEntryClass parent_class;
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| };
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| 
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| /* Action to take when the current folder finishes loading (for explicit or automatic completion) */
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| typedef enum {
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|   LOAD_COMPLETE_NOTHING,
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|   LOAD_COMPLETE_AUTOCOMPLETE,
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|   LOAD_COMPLETE_EXPLICIT_COMPLETION
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| } LoadCompleteAction;
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| 
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| typedef enum
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| {
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|   REFRESH_OK,
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|   REFRESH_INVALID_INPUT,
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|   REFRESH_INCOMPLETE_HOSTNAME,
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|   REFRESH_NONEXISTENT,
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|   REFRESH_NOT_LOCAL
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| } RefreshStatus;
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| 
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| struct _GtkFileChooserEntry
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| {
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|   GtkEntry parent_instance;
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| 
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|   GtkFileChooserAction action;
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| 
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|   GtkFileSystem *file_system;
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|   GFile *base_folder;
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|   GFile *current_folder_file;
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|   gchar *file_part;
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|   gint file_part_pos;
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| 
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|   /* Folder being loaded or already loaded */
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|   GtkFolder *current_folder;
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|   GCancellable *load_folder_cancellable;
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| 
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|   LoadCompleteAction load_complete_action;
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| 
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|   GtkListStore *completion_store;
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| 
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|   guint start_autocompletion_idle_id;
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| 
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|   GtkWidget *completion_feedback_window;
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|   GtkWidget *completion_feedback_label;
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|   guint completion_feedback_timeout_id;
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| 
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|   guint has_completion : 1;
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|   guint in_change      : 1;
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|   guint eat_tabs       : 1;
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|   guint local_only     : 1;
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| };
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| 
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| enum
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| {
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|   DISPLAY_NAME_COLUMN,
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|   FILE_COLUMN,
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|   N_COLUMNS
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| };
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| 
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| #define COMPLETION_FEEDBACK_TIMEOUT_MS 2000
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| 
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| static void     gtk_file_chooser_entry_iface_init     (GtkEditableClass *iface);
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| 
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| static void     gtk_file_chooser_entry_finalize       (GObject          *object);
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| static void     gtk_file_chooser_entry_dispose        (GObject          *object);
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| static void     gtk_file_chooser_entry_grab_focus     (GtkWidget        *widget);
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| static void     gtk_file_chooser_entry_unmap          (GtkWidget        *widget);
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| static gboolean gtk_file_chooser_entry_focus          (GtkWidget        *widget,
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| 						       GtkDirectionType  direction);
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| static gboolean gtk_file_chooser_entry_focus_out_event (GtkWidget       *widget,
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| 							GdkEventFocus   *event);
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| static void     gtk_file_chooser_entry_activate       (GtkEntry         *entry);
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| static void     gtk_file_chooser_entry_do_insert_text (GtkEditable *editable,
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| 						       const gchar *new_text,
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| 						       gint         new_text_length,
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| 						       gint        *position);
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| static void     gtk_file_chooser_entry_do_delete_text (GtkEditable *editable,
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| 						       gint         start_pos,
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| 						       gint         end_pos);
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| static void     gtk_file_chooser_entry_set_position (GtkEditable *editable,
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| 						     gint         position);
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| static void     gtk_file_chooser_entry_set_selection_bounds (GtkEditable *editable,
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| 							     gint         start_pos,
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| 							     gint         end_pos);
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| 
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| #ifdef G_OS_WIN32
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| static gint     insert_text_callback      (GtkFileChooserEntry *widget,
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| 					   const gchar         *new_text,
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| 					   gint                 new_text_length,
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| 					   gint                *position,
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| 					   gpointer             user_data);
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| static void     delete_text_callback      (GtkFileChooserEntry *widget,
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| 					   gint                 start_pos,
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| 					   gint                 end_pos,
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| 					   gpointer             user_data);
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| #endif
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| 
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| static gboolean match_selected_callback   (GtkEntryCompletion  *completion,
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| 					   GtkTreeModel        *model,
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| 					   GtkTreeIter         *iter,
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| 					   GtkFileChooserEntry *chooser_entry);
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| static gboolean completion_match_func     (GtkEntryCompletion  *comp,
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| 					   const char          *key,
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| 					   GtkTreeIter         *iter,
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| 					   gpointer             data);
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| static char    *maybe_append_separator_to_file (GtkFileChooserEntry *chooser_entry,
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| 						GFile               *file,
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| 						gchar               *display_name,
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| 						gboolean            *appended);
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| 
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| typedef enum {
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|   REFRESH_UP_TO_CURSOR_POSITION,
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|   REFRESH_WHOLE_TEXT
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| } RefreshMode;
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| 
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| static RefreshStatus refresh_current_folder_and_file_part (GtkFileChooserEntry *chooser_entry,
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| 						  RefreshMode refresh_mode);
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| static void finished_loading_cb (GtkFolder *folder,
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| 				 gpointer   data);
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| static void autocomplete (GtkFileChooserEntry *chooser_entry);
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| static void install_start_autocompletion_idle (GtkFileChooserEntry *chooser_entry);
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| static void remove_completion_feedback (GtkFileChooserEntry *chooser_entry);
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| static void pop_up_completion_feedback (GtkFileChooserEntry *chooser_entry,
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| 					const gchar         *feedback);
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| 
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| static GtkEditableClass *parent_editable_iface;
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| 
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| G_DEFINE_TYPE_WITH_CODE (GtkFileChooserEntry, _gtk_file_chooser_entry, GTK_TYPE_ENTRY,
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| 			 G_IMPLEMENT_INTERFACE (GTK_TYPE_EDITABLE,
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| 						gtk_file_chooser_entry_iface_init))
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| 
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| static void
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| _gtk_file_chooser_entry_class_init (GtkFileChooserEntryClass *class)
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| {
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|   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
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|   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
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|   GtkEntryClass *entry_class = GTK_ENTRY_CLASS (class);
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| 
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|   gobject_class->finalize = gtk_file_chooser_entry_finalize;
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|   gobject_class->dispose = gtk_file_chooser_entry_dispose;
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| 
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|   widget_class->grab_focus = gtk_file_chooser_entry_grab_focus;
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|   widget_class->unmap = gtk_file_chooser_entry_unmap;
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|   widget_class->focus = gtk_file_chooser_entry_focus;
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|   widget_class->focus_out_event = gtk_file_chooser_entry_focus_out_event;
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| 
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|   entry_class->activate = gtk_file_chooser_entry_activate;
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| }
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| 
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| static void
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| gtk_file_chooser_entry_iface_init (GtkEditableClass *iface)
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| {
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|   parent_editable_iface = g_type_interface_peek_parent (iface);
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| 
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|   iface->do_insert_text = gtk_file_chooser_entry_do_insert_text;
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|   iface->do_delete_text = gtk_file_chooser_entry_do_delete_text;
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|   iface->set_position = gtk_file_chooser_entry_set_position;
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|   iface->set_selection_bounds = gtk_file_chooser_entry_set_selection_bounds;
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| }
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| 
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| static void
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| _gtk_file_chooser_entry_init (GtkFileChooserEntry *chooser_entry)
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| {
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|   GtkEntryCompletion *comp;
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|   GtkCellRenderer *cell;
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| 
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|   chooser_entry->local_only = TRUE;
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| 
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|   g_object_set (chooser_entry, "truncate-multiline", TRUE, NULL);
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| 
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|   comp = gtk_entry_completion_new ();
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|   gtk_entry_completion_set_popup_single_match (comp, FALSE);
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| 
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|   gtk_entry_completion_set_match_func (comp,
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| 				       completion_match_func,
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| 				       chooser_entry,
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| 				       NULL);
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| 
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|   cell = gtk_cell_renderer_text_new ();
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|   gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (comp),
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|                               cell, TRUE);
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|   gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (comp),
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|                                  cell,
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|                                  "text", 0);
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| 
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|   g_signal_connect (comp, "match-selected",
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| 		    G_CALLBACK (match_selected_callback), chooser_entry);
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| 
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|   gtk_entry_set_completion (GTK_ENTRY (chooser_entry), comp);
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|   g_object_unref (comp);
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| 
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| #ifdef G_OS_WIN32
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|   g_signal_connect (chooser_entry, "insert-text",
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| 		    G_CALLBACK (insert_text_callback), NULL);
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|   g_signal_connect (chooser_entry, "delete-text",
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| 		    G_CALLBACK (delete_text_callback), NULL);
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| #endif
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| }
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| 
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| static void
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| gtk_file_chooser_entry_finalize (GObject *object)
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| {
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|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (object);
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| 
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|   if (chooser_entry->base_folder)
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|     g_object_unref (chooser_entry->base_folder);
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| 
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|   if (chooser_entry->current_folder)
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|     g_object_unref (chooser_entry->current_folder);
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| 
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|   if (chooser_entry->current_folder_file)
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|     g_object_unref (chooser_entry->current_folder_file);
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| 
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|   g_free (chooser_entry->file_part);
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| 
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|   G_OBJECT_CLASS (_gtk_file_chooser_entry_parent_class)->finalize (object);
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| }
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| 
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| static void
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| discard_current_folder (GtkFileChooserEntry *chooser_entry)
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| {
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|   if (chooser_entry->current_folder)
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|     {
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|       g_signal_handlers_disconnect_by_func (chooser_entry->current_folder,
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| 					    G_CALLBACK (finished_loading_cb), chooser_entry);
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|       g_object_unref (chooser_entry->current_folder);
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|       chooser_entry->current_folder = NULL;
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|     }
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| }
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| 
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| static void
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| discard_loading_and_current_folder_file (GtkFileChooserEntry *chooser_entry)
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| {
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|   if (chooser_entry->load_folder_cancellable)
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|     {
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|       g_cancellable_cancel (chooser_entry->load_folder_cancellable);
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|       chooser_entry->load_folder_cancellable = NULL;
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|     }
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| 
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|   if (chooser_entry->current_folder_file)
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|     {
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|       g_object_unref (chooser_entry->current_folder_file);
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|       chooser_entry->current_folder_file = NULL;
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|     }
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| }
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| 
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| static void
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| gtk_file_chooser_entry_dispose (GObject *object)
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| {
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|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (object);
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| 
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|   remove_completion_feedback (chooser_entry);
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|   discard_current_folder (chooser_entry);
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|   discard_loading_and_current_folder_file (chooser_entry);
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| 
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|   if (chooser_entry->start_autocompletion_idle_id != 0)
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|     {
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|       g_source_remove (chooser_entry->start_autocompletion_idle_id);
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|       chooser_entry->start_autocompletion_idle_id = 0;
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|     }
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| 
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|   if (chooser_entry->completion_store)
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|     {
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|       g_object_unref (chooser_entry->completion_store);
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|       chooser_entry->completion_store = NULL;
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|     }
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| 
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|   if (chooser_entry->file_system)
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|     {
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|       g_object_unref (chooser_entry->file_system);
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|       chooser_entry->file_system = NULL;
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|     }
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| 
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|   G_OBJECT_CLASS (_gtk_file_chooser_entry_parent_class)->dispose (object);
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| }
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| 
 | |
| /* Match functions for the GtkEntryCompletion */
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| static gboolean
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| match_selected_callback (GtkEntryCompletion  *completion,
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| 			 GtkTreeModel        *model,
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| 			 GtkTreeIter         *iter,
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| 			 GtkFileChooserEntry *chooser_entry)
 | |
| {
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|   char *display_name;
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|   GFile *file;
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|   gint pos;
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|   gboolean dummy;
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|   
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|   gtk_tree_model_get (model, iter,
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| 		      DISPLAY_NAME_COLUMN, &display_name,
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| 		      FILE_COLUMN, &file,
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| 		      -1);
 | |
| 
 | |
|   if (!display_name || !file)
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|     {
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|       /* these shouldn't complain if passed NULL */
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|       g_object_unref (file);
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|       g_free (display_name);
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|       return FALSE;
 | |
|     }
 | |
| 
 | |
|   display_name = maybe_append_separator_to_file (chooser_entry, file, display_name, &dummy);
 | |
| 
 | |
|   pos = chooser_entry->file_part_pos;
 | |
| 
 | |
|   /* We don't set in_change here as we want to update the current_folder
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|    * variable */
 | |
|   gtk_editable_delete_text (GTK_EDITABLE (chooser_entry),
 | |
| 			    pos, -1);
 | |
|   gtk_editable_insert_text (GTK_EDITABLE (chooser_entry),
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| 			    display_name, -1, 
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| 			    &pos);
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|   gtk_editable_set_position (GTK_EDITABLE (chooser_entry), -1);
 | |
| 
 | |
|   g_object_unref (file);
 | |
|   g_free (display_name);
 | |
| 
 | |
|   return TRUE;
 | |
| }
 | |
| 
 | |
| /* Match function for the GtkEntryCompletion */
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| static gboolean
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| completion_match_func (GtkEntryCompletion *comp,
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| 		       const char         *key_unused,
 | |
| 		       GtkTreeIter        *iter,
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| 		       gpointer            data)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry;
 | |
|   char *name;
 | |
|   gboolean result;
 | |
|   char *norm_file_part;
 | |
|   char *norm_name;
 | |
| 
 | |
|   chooser_entry = GTK_FILE_CHOOSER_ENTRY (data);
 | |
| 
 | |
|   /* We ignore the key because it is the contents of the entry.  Instead, we
 | |
|    * just use our precomputed file_part.
 | |
|    */
 | |
|   if (!chooser_entry->file_part)
 | |
|     {
 | |
|       return FALSE;
 | |
|     }
 | |
| 
 | |
|   gtk_tree_model_get (GTK_TREE_MODEL (chooser_entry->completion_store), iter, DISPLAY_NAME_COLUMN, &name, -1);
 | |
|   if (!name)
 | |
|     {
 | |
|       return FALSE; /* Uninitialized row, ugh */
 | |
|     }
 | |
| 
 | |
|   /* If we have an empty file_part, then we're at the root of a directory.  In
 | |
|    * that case, we want to match all non-dot files.  We might want to match
 | |
|    * dot_files too if show_hidden is TRUE on the fileselector in the future.
 | |
|    */
 | |
|   /* Additionally, support for gnome .hidden files would be sweet, too */
 | |
|   if (chooser_entry->file_part[0] == '\000')
 | |
|     {
 | |
|       if (name[0] == '.')
 | |
| 	result = FALSE;
 | |
|       else
 | |
| 	result = TRUE;
 | |
|       g_free (name);
 | |
| 
 | |
|       return result;
 | |
|     }
 | |
| 
 | |
| 
 | |
|   norm_file_part = g_utf8_normalize (chooser_entry->file_part, -1, G_NORMALIZE_ALL);
 | |
|   norm_name = g_utf8_normalize (name, -1, G_NORMALIZE_ALL);
 | |
| 
 | |
| #ifdef G_PLATFORM_WIN32
 | |
|   {
 | |
|     gchar *temp;
 | |
| 
 | |
|     temp = norm_file_part;
 | |
|     norm_file_part = g_utf8_casefold (norm_file_part, -1);
 | |
|     g_free (temp);
 | |
| 
 | |
|     temp = norm_name;
 | |
|     norm_name = g_utf8_casefold (norm_name, -1);
 | |
|     g_free (temp);
 | |
|   }
 | |
| #endif
 | |
| 
 | |
|   result = (strncmp (norm_file_part, norm_name, strlen (norm_file_part)) == 0);
 | |
| 
 | |
|   g_free (norm_file_part);
 | |
|   g_free (norm_name);
 | |
|   g_free (name);
 | |
|   
 | |
|   return result;
 | |
| }
 | |
| 
 | |
| static void
 | |
| clear_completions (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   chooser_entry->has_completion = FALSE;
 | |
|   chooser_entry->load_complete_action = LOAD_COMPLETE_NOTHING;
 | |
| 
 | |
|   remove_completion_feedback (chooser_entry);
 | |
| }
 | |
| 
 | |
| static void
 | |
| beep (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   gtk_widget_error_bell (GTK_WIDGET (chooser_entry));
 | |
| }
 | |
| 
 | |
| /* This function will append a directory separator to paths to
 | |
|  * display_name iff the path associated with it is a directory.
 | |
|  * maybe_append_separator_to_file will g_free the display_name and
 | |
|  * return a new one if needed.  Otherwise, it will return the old one.
 | |
|  * You should be safe calling
 | |
|  *
 | |
|  * display_name = maybe_append_separator_to_file (entry, file, display_name, &appended);
 | |
|  * ...
 | |
|  * g_free (display_name);
 | |
|  */
 | |
| static char *
 | |
| maybe_append_separator_to_file (GtkFileChooserEntry *chooser_entry,
 | |
| 				GFile               *file,
 | |
| 				gchar               *display_name,
 | |
| 				gboolean            *appended)
 | |
| {
 | |
|   *appended = FALSE;
 | |
| 
 | |
|   if (!g_str_has_suffix (display_name, G_DIR_SEPARATOR_S) && file)
 | |
|     {
 | |
|       GFileInfo *info;
 | |
| 
 | |
|       info = _gtk_folder_get_info (chooser_entry->current_folder, file);
 | |
| 
 | |
|       if (info)
 | |
| 	{
 | |
| 	  if (_gtk_file_info_consider_as_directory (info))
 | |
| 	    {
 | |
| 	      gchar *tmp = display_name;
 | |
| 	      display_name = g_strconcat (tmp, G_DIR_SEPARATOR_S, NULL);
 | |
| 	      *appended = TRUE;
 | |
| 	      g_free (tmp);
 | |
| 	    }
 | |
| 
 | |
| 	  g_object_unref (info);
 | |
| 	}
 | |
|     }
 | |
| 
 | |
|   return display_name;
 | |
| }
 | |
| 
 | |
| static char *
 | |
| trim_dir_separator_suffix (const char *str)
 | |
| {
 | |
|   int len;
 | |
| 
 | |
|   len = strlen (str);
 | |
|   if (len > 0 && G_IS_DIR_SEPARATOR (str[len - 1]))
 | |
|     return g_strndup (str, len - 1);
 | |
|   else
 | |
|     return g_strdup (str);
 | |
| }
 | |
| 
 | |
| /* Determines if the completion model has entries with a common prefix relative
 | |
|  * to the current contents of the entry.  Also, if there's one and only one such
 | |
|  * path, stores it in unique_path_ret.
 | |
|  */
 | |
| static gboolean
 | |
| find_common_prefix (GtkFileChooserEntry *chooser_entry,
 | |
| 		    gchar               **common_prefix_ret,
 | |
| 		    GFile               **unique_file_ret,
 | |
| 		    gboolean             *is_complete_not_unique_ret,
 | |
| 		    gboolean             *prefix_expands_the_file_part_ret,
 | |
| 		    GError              **error)
 | |
| {
 | |
|   GtkEditable *editable;
 | |
|   GtkTreeIter iter;
 | |
|   gboolean parsed;
 | |
|   gboolean valid;
 | |
|   char *text_up_to_cursor;
 | |
|   GFile *parsed_folder_file;
 | |
|   char *parsed_file_part;
 | |
| 
 | |
|   *common_prefix_ret = NULL;
 | |
|   *unique_file_ret = NULL;
 | |
|   *is_complete_not_unique_ret = FALSE;
 | |
|   *prefix_expands_the_file_part_ret = FALSE;
 | |
| 
 | |
|   editable = GTK_EDITABLE (chooser_entry);
 | |
| 
 | |
|   text_up_to_cursor = gtk_editable_get_chars (editable, 0, gtk_editable_get_position (editable));
 | |
| 
 | |
|   parsed = _gtk_file_system_parse (chooser_entry->file_system,
 | |
| 				   chooser_entry->base_folder,
 | |
| 				   text_up_to_cursor,
 | |
| 				   &parsed_folder_file,
 | |
| 				   &parsed_file_part,
 | |
| 				   error);
 | |
| 
 | |
|   g_free (text_up_to_cursor);
 | |
| 
 | |
|   if (!parsed)
 | |
|     return FALSE;
 | |
| 
 | |
|   g_assert (parsed_folder_file != NULL
 | |
| 	    && chooser_entry->current_folder != NULL
 | |
| 	    && g_file_equal (parsed_folder_file, chooser_entry->current_folder_file));
 | |
| 
 | |
|   g_object_unref (parsed_folder_file);
 | |
| 
 | |
|   /* First pass: find the common prefix */
 | |
| 
 | |
|   valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (chooser_entry->completion_store), &iter);
 | |
| 
 | |
|   while (valid)
 | |
|     {
 | |
|       gchar *display_name;
 | |
|       GFile *file;
 | |
| 
 | |
|       gtk_tree_model_get (GTK_TREE_MODEL (chooser_entry->completion_store),
 | |
| 			  &iter,
 | |
| 			  DISPLAY_NAME_COLUMN, &display_name,
 | |
| 			  FILE_COLUMN, &file,
 | |
| 			  -1);
 | |
| 
 | |
|       if (g_str_has_prefix (display_name, parsed_file_part))
 | |
| 	{
 | |
| 	  if (!*common_prefix_ret)
 | |
| 	    {
 | |
| 	      *common_prefix_ret = trim_dir_separator_suffix (display_name);
 | |
| 	      *unique_file_ret = g_object_ref (file);
 | |
| 	    }
 | |
| 	  else
 | |
| 	    {
 | |
| 	      gchar *p = *common_prefix_ret;
 | |
| 	      const gchar *q = display_name;
 | |
| 
 | |
| 	      while (*p && *p == *q)
 | |
| 		{
 | |
| 		  p++;
 | |
| 		  q++;
 | |
| 		}
 | |
| 
 | |
| 	      *p = '\0';
 | |
| 
 | |
| 	      if (*unique_file_ret)
 | |
| 		{
 | |
| 		  g_object_unref (*unique_file_ret);
 | |
| 		  *unique_file_ret = NULL;
 | |
| 		}
 | |
| 	    }
 | |
| 	}
 | |
| 
 | |
|       g_free (display_name);
 | |
|       g_object_unref (file);
 | |
|       valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (chooser_entry->completion_store), &iter);
 | |
|     }
 | |
| 
 | |
|   /* Second pass: see if the prefix we found is a complete match */
 | |
| 
 | |
|   if (*common_prefix_ret != NULL)
 | |
|     {
 | |
|       valid = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (chooser_entry->completion_store), &iter);
 | |
| 
 | |
|       while (valid)
 | |
| 	{
 | |
| 	  gchar *display_name;
 | |
| 	  int len;
 | |
| 
 | |
| 	  gtk_tree_model_get (GTK_TREE_MODEL (chooser_entry->completion_store),
 | |
| 			      &iter,
 | |
| 			      DISPLAY_NAME_COLUMN, &display_name,
 | |
| 			      -1);
 | |
| 	  len = strlen (display_name);
 | |
| 	  g_assert (len > 0);
 | |
| 
 | |
| 	  if (G_IS_DIR_SEPARATOR (display_name[len - 1]))
 | |
| 	    len--;
 | |
| 
 | |
| 	  if (*unique_file_ret == NULL && strncmp (*common_prefix_ret, display_name, len) == 0)
 | |
| 	    *is_complete_not_unique_ret = TRUE;
 | |
| 
 | |
| 	  g_free (display_name);
 | |
| 	  valid = gtk_tree_model_iter_next (GTK_TREE_MODEL (chooser_entry->completion_store), &iter);
 | |
| 	}
 | |
| 
 | |
|       /* Finally:  Did we generate a new completion, or was the user's input already completed as far as it could go? */
 | |
| 
 | |
|       *prefix_expands_the_file_part_ret = g_utf8_strlen (*common_prefix_ret, -1) > g_utf8_strlen (parsed_file_part, -1);
 | |
|     }
 | |
| 
 | |
|   g_free (parsed_file_part);
 | |
| 
 | |
|   return TRUE;
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| char_after_cursor_is_directory_separator (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   int cursor_pos;
 | |
|   gboolean result;
 | |
| 
 | |
|   result = FALSE;
 | |
| 
 | |
|   cursor_pos = gtk_editable_get_position (GTK_EDITABLE (chooser_entry));
 | |
|   if (cursor_pos < gtk_entry_get_text_length (GTK_ENTRY (chooser_entry)))
 | |
|     {
 | |
|       char *next_char_str;
 | |
| 
 | |
|       next_char_str = gtk_editable_get_chars (GTK_EDITABLE (chooser_entry), cursor_pos, cursor_pos + 1);
 | |
|       if (G_IS_DIR_SEPARATOR (*next_char_str))
 | |
| 	result = TRUE;
 | |
| 
 | |
|       g_free (next_char_str);
 | |
|     }
 | |
| 
 | |
|   return result;
 | |
| }
 | |
| 
 | |
| typedef enum {
 | |
|   INVALID_INPUT,		/* what the user typed is bogus */
 | |
|   NO_MATCH,			/* no matches based on what the user typed */
 | |
|   NOTHING_INSERTED_COMPLETE,	/* what the user typed is already completed as far as it will go */
 | |
|   NOTHING_INSERTED_UNIQUE,	/* what the user typed is already completed, and is a unique match */
 | |
|   COMPLETED,			/* completion inserted (ambiguous suffix) */
 | |
|   COMPLETED_UNIQUE,		/* completion inserted, and it is a complete name and a unique match */
 | |
|   COMPLETE_BUT_NOT_UNIQUE	/* completion inserted, it is a complete name but not unique */
 | |
| } CommonPrefixResult;
 | |
| 
 | |
| /* Finds a common prefix based on the contents of the entry and mandatorily appends it */
 | |
| static CommonPrefixResult
 | |
| append_common_prefix (GtkFileChooserEntry *chooser_entry,
 | |
| 		      gboolean             highlight,
 | |
| 		      gboolean             show_errors)
 | |
| {
 | |
|   gchar *common_prefix;
 | |
|   GFile *unique_file;
 | |
|   gboolean is_complete_not_unique;
 | |
|   gboolean prefix_expands_the_file_part;
 | |
|   GError *error;
 | |
|   CommonPrefixResult result;
 | |
|   gboolean have_result;
 | |
| 
 | |
|   clear_completions (chooser_entry);
 | |
| 
 | |
|   if (chooser_entry->completion_store == NULL)
 | |
|     return NO_MATCH;
 | |
| 
 | |
|   error = NULL;
 | |
|   if (!find_common_prefix (chooser_entry, &common_prefix, &unique_file, &is_complete_not_unique, &prefix_expands_the_file_part, &error))
 | |
|     {
 | |
|       /* If the user types an incomplete hostname ("http://foo" without a slash
 | |
|        * after that), it's not an error.  We just don't want to pop up a
 | |
|        * meaningless completion window in that state.
 | |
|        */
 | |
|       if (!g_error_matches (error, GTK_FILE_CHOOSER_ERROR, GTK_FILE_CHOOSER_ERROR_INCOMPLETE_HOSTNAME)
 | |
| 	  && show_errors)
 | |
| 	{
 | |
| 	  beep (chooser_entry);
 | |
| 	  pop_up_completion_feedback (chooser_entry, _("Invalid path"));
 | |
| 	}
 | |
| 
 | |
|       g_error_free (error);
 | |
| 
 | |
|       return INVALID_INPUT;
 | |
|     }
 | |
| 
 | |
|   have_result = FALSE;
 | |
| 
 | |
|   if (unique_file)
 | |
|     {
 | |
|       if (!char_after_cursor_is_directory_separator (chooser_entry))
 | |
| 	{
 | |
| 	  gboolean appended;
 | |
| 
 | |
| 	  common_prefix = maybe_append_separator_to_file (chooser_entry,
 | |
| 							  unique_file,
 | |
| 							  common_prefix,
 | |
| 							  &appended);
 | |
| 	  if (appended)
 | |
| 	    prefix_expands_the_file_part = TRUE;
 | |
| 	}
 | |
| 
 | |
|       g_object_unref (unique_file);
 | |
| 
 | |
|       if (prefix_expands_the_file_part)
 | |
| 	result = COMPLETED_UNIQUE;
 | |
|       else
 | |
| 	result = NOTHING_INSERTED_UNIQUE;
 | |
| 
 | |
|       have_result = TRUE;
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       if (is_complete_not_unique)
 | |
| 	{
 | |
| 	  result = COMPLETE_BUT_NOT_UNIQUE;
 | |
| 	  have_result = TRUE;
 | |
| 	}
 | |
|     }
 | |
| 
 | |
|   if (common_prefix)
 | |
|     {
 | |
|       gint cursor_pos;
 | |
|       gint common_prefix_len;
 | |
|       gint pos;
 | |
| 
 | |
|       cursor_pos = gtk_editable_get_position (GTK_EDITABLE (chooser_entry));
 | |
|       common_prefix_len = g_utf8_strlen (common_prefix, -1);
 | |
| 
 | |
|       pos = chooser_entry->file_part_pos;
 | |
| 
 | |
|       if (prefix_expands_the_file_part)
 | |
| 	{
 | |
| 	  chooser_entry->in_change = TRUE;
 | |
| 	  gtk_editable_delete_text (GTK_EDITABLE (chooser_entry),
 | |
| 				    pos, cursor_pos);
 | |
| 	  gtk_editable_insert_text (GTK_EDITABLE (chooser_entry),
 | |
| 				    common_prefix, -1, 
 | |
| 				    &pos);
 | |
| 	  chooser_entry->in_change = FALSE;
 | |
| 
 | |
| 	  if (highlight)
 | |
| 	    {
 | |
| 	      gtk_editable_select_region (GTK_EDITABLE (chooser_entry),
 | |
| 					  cursor_pos,
 | |
| 					  pos); /* equivalent to cursor_pos + common_prefix_len); */
 | |
| 	      chooser_entry->has_completion = TRUE;
 | |
| 	    }
 | |
| 	  else
 | |
| 	    gtk_editable_set_position (GTK_EDITABLE (chooser_entry), pos);
 | |
| 	}
 | |
|       else if (!have_result)
 | |
| 	{
 | |
| 	  result = NOTHING_INSERTED_COMPLETE;
 | |
| 	  have_result = TRUE;
 | |
| 	}
 | |
| 
 | |
|       g_free (common_prefix);
 | |
| 
 | |
|       if (have_result)
 | |
| 	return result;
 | |
|       else
 | |
| 	return COMPLETED;
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       if (have_result)
 | |
| 	return result;
 | |
|       else
 | |
| 	return NO_MATCH;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_file_chooser_entry_do_insert_text (GtkEditable *editable,
 | |
| 				       const gchar *new_text,
 | |
| 				       gint         new_text_length,
 | |
| 				       gint        *position)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (editable);
 | |
|   gint old_text_len;
 | |
|   gint insert_pos;
 | |
| 
 | |
|   old_text_len = gtk_entry_get_text_length (GTK_ENTRY (chooser_entry));
 | |
|   insert_pos = *position;
 | |
| 
 | |
|   parent_editable_iface->do_insert_text (editable, new_text, new_text_length, position);
 | |
| 
 | |
|   if (chooser_entry->in_change)
 | |
|     return;
 | |
| 
 | |
|   remove_completion_feedback (chooser_entry);
 | |
| 
 | |
|   if ((chooser_entry->action == GTK_FILE_CHOOSER_ACTION_OPEN
 | |
|        || chooser_entry->action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER)
 | |
|       && insert_pos == old_text_len)
 | |
|     install_start_autocompletion_idle (chooser_entry);
 | |
| }
 | |
| 
 | |
| static void
 | |
| clear_completions_if_not_in_change (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   if (chooser_entry->in_change)
 | |
|     return;
 | |
| 
 | |
|   clear_completions (chooser_entry);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_file_chooser_entry_do_delete_text (GtkEditable *editable,
 | |
| 				       gint         start_pos,
 | |
| 				       gint         end_pos)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (editable);
 | |
| 
 | |
|   parent_editable_iface->do_delete_text (editable, start_pos, end_pos);
 | |
| 
 | |
|   clear_completions_if_not_in_change (chooser_entry);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_file_chooser_entry_set_position (GtkEditable *editable,
 | |
| 				     gint         position)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (editable);
 | |
| 
 | |
|   parent_editable_iface->set_position (editable, position);
 | |
| 
 | |
|   clear_completions_if_not_in_change (chooser_entry);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_file_chooser_entry_set_selection_bounds (GtkEditable *editable,
 | |
| 					     gint         start_pos,
 | |
| 					     gint         end_pos)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (editable);
 | |
| 
 | |
|   parent_editable_iface->set_selection_bounds (editable, start_pos, end_pos);
 | |
| 
 | |
|   clear_completions_if_not_in_change (chooser_entry);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_file_chooser_entry_grab_focus (GtkWidget *widget)
 | |
| {
 | |
|   GTK_WIDGET_CLASS (_gtk_file_chooser_entry_parent_class)->grab_focus (widget);
 | |
|   _gtk_file_chooser_entry_select_filename (GTK_FILE_CHOOSER_ENTRY (widget));
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_file_chooser_entry_unmap (GtkWidget *widget)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (widget);
 | |
| 
 | |
|   remove_completion_feedback (chooser_entry);
 | |
| 
 | |
|   GTK_WIDGET_CLASS (_gtk_file_chooser_entry_parent_class)->unmap (widget);
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| completion_feedback_window_expose_event_cb (GtkWidget      *widget,
 | |
| 					    GdkEventExpose *event,
 | |
| 					    gpointer        data)
 | |
| {
 | |
|   /* Stolen from gtk_tooltip_paint_window() */
 | |
| 
 | |
|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (data);
 | |
| 
 | |
|   gtk_paint_flat_box (chooser_entry->completion_feedback_window->style,
 | |
| 		      chooser_entry->completion_feedback_window->window,
 | |
| 		      GTK_STATE_NORMAL,
 | |
| 		      GTK_SHADOW_OUT,
 | |
| 		      NULL,
 | |
| 		      chooser_entry->completion_feedback_window,
 | |
| 		      "tooltip",
 | |
| 		      0, 0,
 | |
| 		      chooser_entry->completion_feedback_window->allocation.width,
 | |
| 		      chooser_entry->completion_feedback_window->allocation.height);
 | |
| 
 | |
|   return FALSE;
 | |
| }
 | |
| 
 | |
| static void
 | |
| set_invisible_mouse_cursor (GdkWindow *window)
 | |
| {
 | |
|   GdkDisplay *display;
 | |
|   GdkCursor *cursor;
 | |
| 
 | |
|   display = gdk_drawable_get_display (window);
 | |
|   cursor = gdk_cursor_new_for_display (display, GDK_BLANK_CURSOR);
 | |
| 
 | |
|   gdk_window_set_cursor (window, cursor);
 | |
| 
 | |
|   gdk_cursor_unref (cursor);
 | |
| }
 | |
| 
 | |
| static void
 | |
| completion_feedback_window_realize_cb (GtkWidget *widget,
 | |
| 				       gpointer data)
 | |
| {
 | |
|   /* We hide the mouse cursor inside the completion feedback window, since
 | |
|    * GtkEntry hides the cursor when the user types.  We don't want the cursor to
 | |
|    * come back if the completion feedback ends up where the mouse is.
 | |
|    */
 | |
|   set_invisible_mouse_cursor (widget->window);
 | |
| }
 | |
| 
 | |
| static void
 | |
| create_completion_feedback_window (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   /* Stolen from gtk_tooltip_init() */
 | |
| 
 | |
|   GtkWidget *alignment;
 | |
| 
 | |
|   chooser_entry->completion_feedback_window = gtk_window_new (GTK_WINDOW_POPUP);
 | |
|   gtk_window_set_type_hint (GTK_WINDOW (chooser_entry->completion_feedback_window),
 | |
| 			    GDK_WINDOW_TYPE_HINT_TOOLTIP);
 | |
|   gtk_widget_set_app_paintable (chooser_entry->completion_feedback_window, TRUE);
 | |
|   gtk_window_set_resizable (GTK_WINDOW (chooser_entry->completion_feedback_window), FALSE);
 | |
|   gtk_widget_set_name (chooser_entry->completion_feedback_window, "gtk-tooltip");
 | |
| 
 | |
|   alignment = gtk_alignment_new (0.5, 0.5, 1.0, 1.0);
 | |
|   gtk_alignment_set_padding (GTK_ALIGNMENT (alignment),
 | |
| 			     chooser_entry->completion_feedback_window->style->ythickness,
 | |
| 			     chooser_entry->completion_feedback_window->style->ythickness,
 | |
| 			     chooser_entry->completion_feedback_window->style->xthickness,
 | |
| 			     chooser_entry->completion_feedback_window->style->xthickness);
 | |
|   gtk_container_add (GTK_CONTAINER (chooser_entry->completion_feedback_window), alignment);
 | |
|   gtk_widget_show (alignment);
 | |
| 
 | |
|   g_signal_connect (chooser_entry->completion_feedback_window, "expose-event",
 | |
| 		    G_CALLBACK (completion_feedback_window_expose_event_cb), chooser_entry);
 | |
|   g_signal_connect (chooser_entry->completion_feedback_window, "realize",
 | |
| 		    G_CALLBACK (completion_feedback_window_realize_cb), chooser_entry);
 | |
|   /* FIXME: connect to motion-notify-event, and *show* the cursor when the mouse moves */
 | |
| 
 | |
|   chooser_entry->completion_feedback_label = gtk_label_new (NULL);
 | |
|   gtk_container_add (GTK_CONTAINER (alignment), chooser_entry->completion_feedback_label);
 | |
|   gtk_widget_show (chooser_entry->completion_feedback_label);
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| completion_feedback_timeout_cb (gpointer data)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (data);
 | |
| 
 | |
|   chooser_entry->completion_feedback_timeout_id = 0;
 | |
| 
 | |
|   remove_completion_feedback (chooser_entry);
 | |
|   return FALSE;
 | |
| }
 | |
| 
 | |
| static void
 | |
| install_completion_feedback_timer (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   if (chooser_entry->completion_feedback_timeout_id != 0)
 | |
|     g_source_remove (chooser_entry->completion_feedback_timeout_id);
 | |
| 
 | |
|   chooser_entry->completion_feedback_timeout_id = gdk_threads_add_timeout (COMPLETION_FEEDBACK_TIMEOUT_MS,
 | |
| 									   completion_feedback_timeout_cb,
 | |
| 									   chooser_entry);
 | |
| }
 | |
| 
 | |
| /* Gets the x position of the text cursor in the entry, in widget coordinates */
 | |
| static void
 | |
| get_entry_cursor_x (GtkFileChooserEntry *chooser_entry,
 | |
| 		    gint                *x_ret)
 | |
| {
 | |
|   /* FIXME: see the docs for gtk_entry_get_layout_offsets().  As an exercise for
 | |
|    * the reader, you have to implement support for the entry's scroll offset and
 | |
|    * RTL layouts and all the fancy Pango stuff.
 | |
|    */
 | |
| 
 | |
|   PangoLayout *layout;
 | |
|   gint layout_x, layout_y;
 | |
|   gint layout_index;
 | |
|   PangoRectangle strong_pos;
 | |
| 
 | |
|   layout = gtk_entry_get_layout (GTK_ENTRY (chooser_entry));
 | |
| 
 | |
|   gtk_entry_get_layout_offsets (GTK_ENTRY (chooser_entry), &layout_x, &layout_y);
 | |
| 
 | |
|   layout_index = gtk_entry_text_index_to_layout_index (GTK_ENTRY (chooser_entry),
 | |
| 						       GTK_ENTRY (chooser_entry)->current_pos);
 | |
| 
 | |
|   pango_layout_get_cursor_pos (layout, layout_index, &strong_pos, NULL);
 | |
| 
 | |
|   *x_ret = layout_x + strong_pos.x / PANGO_SCALE;
 | |
| }
 | |
| 
 | |
| static void
 | |
| show_completion_feedback_window (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   /* More or less stolen from gtk_tooltip_position() */
 | |
| 
 | |
|   GtkRequisition feedback_req;
 | |
|   gint entry_x, entry_y;
 | |
|   gint cursor_x;
 | |
|   GtkAllocation *entry_allocation;
 | |
|   int feedback_x, feedback_y;
 | |
| 
 | |
|   gtk_widget_size_request (chooser_entry->completion_feedback_window, &feedback_req);
 | |
| 
 | |
|   gdk_window_get_origin (GTK_WIDGET (chooser_entry)->window, &entry_x, &entry_y);
 | |
|   entry_allocation = &(GTK_WIDGET (chooser_entry)->allocation);
 | |
| 
 | |
|   get_entry_cursor_x (chooser_entry, &cursor_x);
 | |
| 
 | |
|   /* FIXME: fit to the screen if we bump on the screen's edge */
 | |
|   feedback_x = entry_x + cursor_x + entry_allocation->height / 2; /* cheap "half M-width" */
 | |
|   feedback_y = entry_y + (entry_allocation->height - feedback_req.height) / 2;
 | |
| 
 | |
|   gtk_window_move (GTK_WINDOW (chooser_entry->completion_feedback_window), feedback_x, feedback_y);
 | |
|   gtk_widget_show (chooser_entry->completion_feedback_window);
 | |
| 
 | |
|   install_completion_feedback_timer (chooser_entry);
 | |
| }
 | |
| 
 | |
| static void
 | |
| pop_up_completion_feedback (GtkFileChooserEntry *chooser_entry,
 | |
| 			    const gchar         *feedback)
 | |
| {
 | |
|   if (chooser_entry->completion_feedback_window == NULL)
 | |
|     create_completion_feedback_window (chooser_entry);
 | |
| 
 | |
|   gtk_label_set_text (GTK_LABEL (chooser_entry->completion_feedback_label), feedback);
 | |
| 
 | |
|   show_completion_feedback_window (chooser_entry);
 | |
| }
 | |
| 
 | |
| static void
 | |
| remove_completion_feedback (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   if (chooser_entry->completion_feedback_window)
 | |
|     gtk_widget_destroy (chooser_entry->completion_feedback_window);
 | |
| 
 | |
|   chooser_entry->completion_feedback_window = NULL;
 | |
|   chooser_entry->completion_feedback_label = NULL;
 | |
| 
 | |
|   if (chooser_entry->completion_feedback_timeout_id != 0)
 | |
|     {
 | |
|       g_source_remove (chooser_entry->completion_feedback_timeout_id);
 | |
|       chooser_entry->completion_feedback_timeout_id = 0;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| explicitly_complete (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   CommonPrefixResult result;
 | |
| 
 | |
|   g_assert (chooser_entry->current_folder != NULL);
 | |
|   g_assert (_gtk_folder_is_finished_loading (chooser_entry->current_folder));
 | |
| 
 | |
|   /* FIXME: see what Emacs does in case there is no common prefix, or there is more than one match:
 | |
|    *
 | |
|    * - If there is a common prefix, insert it (done)
 | |
|    * - If there is no common prefix, pop up the suggestion window
 | |
|    * - If there are no matches at all, beep and bring up a tooltip (done)
 | |
|    * - If the suggestion window is already up, scroll it
 | |
|    */
 | |
|   result = append_common_prefix (chooser_entry, FALSE, TRUE);
 | |
| 
 | |
|   switch (result)
 | |
|     {
 | |
|     case INVALID_INPUT:
 | |
|       /* We already beeped in append_common_prefix(); do nothing here */
 | |
|       break;
 | |
| 
 | |
|     case NO_MATCH:
 | |
|       beep (chooser_entry);
 | |
|       /* translators: this text is shown when there are no completions 
 | |
|        * for something the user typed in a file chooser entry
 | |
|        */
 | |
|       pop_up_completion_feedback (chooser_entry, _("No match"));
 | |
|       break;
 | |
| 
 | |
|     case NOTHING_INSERTED_COMPLETE:
 | |
|       /* FIXME: pop up the suggestion window or scroll it */
 | |
|       break;
 | |
| 
 | |
|     case NOTHING_INSERTED_UNIQUE:
 | |
|       /* translators: this text is shown when there is exactly one completion 
 | |
|        * for something the user typed in a file chooser entry
 | |
|        */
 | |
|       pop_up_completion_feedback (chooser_entry, _("Sole completion"));
 | |
|       break;
 | |
| 
 | |
|     case COMPLETED:
 | |
|       /* Nothing to do */
 | |
|       break;
 | |
| 
 | |
|     case COMPLETED_UNIQUE:
 | |
|       /* Nothing to do */
 | |
|       break;
 | |
| 
 | |
|     case COMPLETE_BUT_NOT_UNIQUE:
 | |
|       /* translators: this text is shown when the text in a file chooser
 | |
|        * entry is a complete filename, but could be continued to find
 | |
|        * a longer match
 | |
|        */
 | |
|       pop_up_completion_feedback (chooser_entry, _("Complete, but not unique"));
 | |
|       break;
 | |
| 
 | |
|     default:
 | |
|       g_assert_not_reached ();
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| start_explicit_completion (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   RefreshStatus status;
 | |
|   gboolean is_error;
 | |
|   char *feedback_msg;
 | |
| 
 | |
|   status = refresh_current_folder_and_file_part (chooser_entry, REFRESH_UP_TO_CURSOR_POSITION);
 | |
| 
 | |
|   is_error = FALSE;
 | |
| 
 | |
|   switch (status)
 | |
|     {
 | |
|     case REFRESH_OK:
 | |
|       g_assert (chooser_entry->current_folder_file != NULL);
 | |
| 
 | |
|       if (chooser_entry->current_folder && _gtk_folder_is_finished_loading (chooser_entry->current_folder))
 | |
| 	explicitly_complete (chooser_entry);
 | |
|       else
 | |
| 	{
 | |
| 	  chooser_entry->load_complete_action = LOAD_COMPLETE_EXPLICIT_COMPLETION;
 | |
| 
 | |
| 	  /* Translators: this text is shown while the system is searching
 | |
| 	   * for possible completions for filenames in a file chooser entry. */
 | |
| 	  pop_up_completion_feedback (chooser_entry, _("Completing..."));
 | |
| 	}
 | |
| 
 | |
|       break;
 | |
| 
 | |
|     case REFRESH_INVALID_INPUT:
 | |
|       is_error = TRUE;
 | |
|       /* Translators: this is shown in the feedback for Tab-completion in a file
 | |
|        * chooser's text entry, when the user enters an invalid path. */
 | |
|       feedback_msg = _("Invalid path");
 | |
|       break;
 | |
| 
 | |
|     case REFRESH_INCOMPLETE_HOSTNAME:
 | |
|       is_error = TRUE;
 | |
| 
 | |
|       if (chooser_entry->local_only)
 | |
| 	{
 | |
| 	  /* hostnames in a local_only file chooser?  user error */
 | |
| 
 | |
| 	  /* Translators: this is shown in the feedback for Tab-completion in a
 | |
| 	   * file chooser's text entry when the user enters something like
 | |
| 	   * "sftp://blahblah" in an app that only supports local filenames. */
 | |
| 	  feedback_msg = _("Only local files may be selected");
 | |
| 	}
 | |
|       else
 | |
| 	{
 | |
| 	  /* Another option is to complete the hostname based on the remote volumes that are mounted */
 | |
| 
 | |
| 	  /* Translators: this is shown in the feedback for Tab-completion in a
 | |
| 	   * file chooser's text entry when the user hasn't entered the first '/'
 | |
| 	   * after a hostname and yet hits Tab (such as "sftp://blahblah[Tab]") */
 | |
| 	  feedback_msg = _("Incomplete hostname; end it with '/'");
 | |
| 	}
 | |
| 
 | |
|       break;
 | |
| 
 | |
|     case REFRESH_NONEXISTENT:
 | |
|       is_error = TRUE;
 | |
| 
 | |
|       /* Translators: this is shown in the feedback for Tab-completion in a file
 | |
|        * chooser's text entry when the user enters a path that does not exist
 | |
|        * and then hits Tab */
 | |
|       feedback_msg = _("Path does not exist");
 | |
|       break;
 | |
| 
 | |
|     case REFRESH_NOT_LOCAL:
 | |
|       is_error = TRUE;
 | |
|       feedback_msg = _("Only local files may be selected");
 | |
|       break;
 | |
| 
 | |
|     default:
 | |
|       g_assert_not_reached ();
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|   if (is_error)
 | |
|     {
 | |
|       g_assert (chooser_entry->current_folder_file == NULL);
 | |
| 
 | |
|       beep (chooser_entry);
 | |
|       pop_up_completion_feedback (chooser_entry, feedback_msg);
 | |
|       chooser_entry->load_complete_action = LOAD_COMPLETE_NOTHING;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| gtk_file_chooser_entry_focus (GtkWidget        *widget,
 | |
| 			      GtkDirectionType  direction)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry;
 | |
|   GtkEditable *editable;
 | |
|   GtkEntry *entry;
 | |
|   GdkModifierType state;
 | |
|   gboolean control_pressed;
 | |
| 
 | |
|   chooser_entry = GTK_FILE_CHOOSER_ENTRY (widget);
 | |
|   editable = GTK_EDITABLE (widget);
 | |
|   entry = GTK_ENTRY (widget);
 | |
| 
 | |
|   if (!chooser_entry->eat_tabs)
 | |
|     return GTK_WIDGET_CLASS (_gtk_file_chooser_entry_parent_class)->focus (widget, direction);
 | |
| 
 | |
|   control_pressed = FALSE;
 | |
| 
 | |
|   if (gtk_get_current_event_state (&state))
 | |
|     {
 | |
|       if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
 | |
| 	control_pressed = TRUE;
 | |
|     }
 | |
| 
 | |
|   /* This is a bit evil -- it makes Tab never leave the entry. It basically
 | |
|    * makes it 'safe' for people to hit. */
 | |
|   if ((direction == GTK_DIR_TAB_FORWARD) &&
 | |
|       (GTK_WIDGET_HAS_FOCUS (widget)) &&
 | |
|       (! control_pressed))
 | |
|     {
 | |
|       if (chooser_entry->has_completion)
 | |
| 	gtk_editable_set_position (editable, gtk_entry_get_text_length (entry));
 | |
|       else
 | |
| 	start_explicit_completion (chooser_entry);
 | |
| 
 | |
|       return TRUE;
 | |
|     }
 | |
|   else
 | |
|     return GTK_WIDGET_CLASS (_gtk_file_chooser_entry_parent_class)->focus (widget, direction);
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| gtk_file_chooser_entry_focus_out_event (GtkWidget     *widget,
 | |
| 					GdkEventFocus *event)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (widget);
 | |
| 
 | |
|   chooser_entry->load_complete_action = LOAD_COMPLETE_NOTHING;
 | |
|  
 | |
|   return GTK_WIDGET_CLASS (_gtk_file_chooser_entry_parent_class)->focus_out_event (widget, event);
 | |
| }
 | |
| 
 | |
| static void
 | |
| commit_completion_and_refresh (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   if (chooser_entry->has_completion)
 | |
|     {
 | |
|       gtk_editable_set_position (GTK_EDITABLE (chooser_entry),
 | |
| 				 gtk_entry_get_text_length (GTK_ENTRY (chooser_entry)));
 | |
|     }
 | |
| 
 | |
|   /* Here we ignore the result of refresh_current_folder_and_file_part(); there is nothing we can do with it */
 | |
|   refresh_current_folder_and_file_part (chooser_entry, REFRESH_WHOLE_TEXT);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_file_chooser_entry_activate (GtkEntry *entry)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (entry);
 | |
| 
 | |
|   commit_completion_and_refresh (chooser_entry);
 | |
|   GTK_ENTRY_CLASS (_gtk_file_chooser_entry_parent_class)->activate (entry);
 | |
| }
 | |
| 
 | |
| static void
 | |
| discard_completion_store (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   if (!chooser_entry->completion_store)
 | |
|     return;
 | |
| 
 | |
|   gtk_entry_completion_set_model (gtk_entry_get_completion (GTK_ENTRY (chooser_entry)), NULL);
 | |
|   g_object_unref (chooser_entry->completion_store);
 | |
|   chooser_entry->completion_store = NULL;
 | |
| }
 | |
| 
 | |
| /* Fills the completion store from the contents of the current folder */
 | |
| static void
 | |
| populate_completion_store (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   GSList *files;
 | |
|   GSList *tmp_list;
 | |
| 
 | |
|   discard_completion_store (chooser_entry);
 | |
| 
 | |
|   files = _gtk_folder_list_children (chooser_entry->current_folder);
 | |
| 
 | |
|   chooser_entry->completion_store = gtk_list_store_new (N_COLUMNS,
 | |
| 							G_TYPE_STRING,
 | |
| 							G_TYPE_FILE);
 | |
| 
 | |
|   for (tmp_list = files; tmp_list; tmp_list = tmp_list->next)
 | |
|     {
 | |
|       GFileInfo *info;
 | |
|       GFile *file;
 | |
| 
 | |
|       file = tmp_list->data;
 | |
| 
 | |
|       info = _gtk_folder_get_info (chooser_entry->current_folder, file);
 | |
| 
 | |
|       if (info)
 | |
| 	{
 | |
| 	  gchar *display_name = g_strdup (g_file_info_get_display_name (info));
 | |
| 	  GtkTreeIter iter;
 | |
| 	  gboolean dummy;
 | |
| 
 | |
|           display_name = maybe_append_separator_to_file (chooser_entry, file, display_name, &dummy);
 | |
| 
 | |
| 	  gtk_list_store_append (chooser_entry->completion_store, &iter);
 | |
| 	  gtk_list_store_set (chooser_entry->completion_store, &iter,
 | |
| 			      DISPLAY_NAME_COLUMN, display_name,
 | |
| 			      FILE_COLUMN, file,
 | |
| 			      -1);
 | |
| 
 | |
| 	  g_object_unref (info);
 | |
|           g_free (display_name);
 | |
| 	}
 | |
|     }
 | |
| 
 | |
|   g_slist_foreach (files, (GFunc) g_object_unref, NULL);
 | |
|   g_slist_free (files);
 | |
| 
 | |
|   gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (chooser_entry->completion_store),
 | |
| 					DISPLAY_NAME_COLUMN, GTK_SORT_ASCENDING);
 | |
| 
 | |
|   gtk_entry_completion_set_model (gtk_entry_get_completion (GTK_ENTRY (chooser_entry)),
 | |
| 				  GTK_TREE_MODEL (chooser_entry->completion_store));
 | |
| }
 | |
| 
 | |
| /* When we finish loading the current folder, this function should get called to
 | |
|  * perform the deferred autocompletion or explicit completion.
 | |
|  */
 | |
| static void
 | |
| perform_load_complete_action (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   switch (chooser_entry->load_complete_action)
 | |
|     {
 | |
|     case LOAD_COMPLETE_NOTHING:
 | |
|       break;
 | |
| 
 | |
|     case LOAD_COMPLETE_AUTOCOMPLETE:
 | |
|       autocomplete (chooser_entry);
 | |
|       break;
 | |
| 
 | |
|     case LOAD_COMPLETE_EXPLICIT_COMPLETION:
 | |
|       explicitly_complete (chooser_entry);
 | |
|       break;
 | |
| 
 | |
|     default:
 | |
|       g_assert_not_reached ();
 | |
|     }
 | |
| 
 | |
|   chooser_entry->load_complete_action = LOAD_COMPLETE_NOTHING;
 | |
| }
 | |
| 
 | |
| static void
 | |
| finish_folder_load (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   populate_completion_store (chooser_entry);
 | |
|   perform_load_complete_action (chooser_entry);
 | |
| 
 | |
|   gtk_widget_set_tooltip_text (GTK_WIDGET (chooser_entry), NULL);
 | |
| }
 | |
| 
 | |
| /* Callback when the current folder finishes loading */
 | |
| static void
 | |
| finished_loading_cb (GtkFolder *folder,
 | |
| 		     gpointer   data)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (data);
 | |
| 
 | |
|   finish_folder_load (chooser_entry);
 | |
| }
 | |
| 
 | |
| /* Callback when the current folder's handle gets obtained (not necessarily loaded completely) */
 | |
| static void
 | |
| load_directory_get_folder_callback (GCancellable  *cancellable,
 | |
| 				    GtkFolder     *folder,
 | |
| 				    const GError  *error,
 | |
| 				    gpointer       data)
 | |
| {
 | |
|   gboolean cancelled = g_cancellable_is_cancelled (cancellable);
 | |
|   GtkFileChooserEntry *chooser_entry = data;
 | |
| 
 | |
|   if (cancellable != chooser_entry->load_folder_cancellable)
 | |
|     goto out;
 | |
| 
 | |
|   chooser_entry->load_folder_cancellable = NULL;
 | |
| 
 | |
|   if (error)
 | |
|     {
 | |
|       LoadCompleteAction old_load_complete_action;
 | |
| 
 | |
|       old_load_complete_action = chooser_entry->load_complete_action;
 | |
| 
 | |
|       discard_completion_store (chooser_entry);
 | |
|       clear_completions (chooser_entry);
 | |
| 
 | |
|       if (old_load_complete_action == LOAD_COMPLETE_EXPLICIT_COMPLETION)
 | |
| 	{
 | |
| 	  /* Since this came from explicit user action (Tab completion), we'll present errors visually */
 | |
| 
 | |
| 	  beep (chooser_entry);
 | |
| 	  pop_up_completion_feedback (chooser_entry, error->message);
 | |
| 	}
 | |
| 
 | |
|       discard_current_folder (chooser_entry);
 | |
|     }
 | |
| 
 | |
|   if (cancelled || error)
 | |
|     goto out;
 | |
| 
 | |
|   g_assert (folder != NULL);
 | |
|   chooser_entry->current_folder = g_object_ref (folder);
 | |
| 
 | |
|   discard_completion_store (chooser_entry);
 | |
| 
 | |
|   if (_gtk_folder_is_finished_loading (chooser_entry->current_folder))
 | |
|     finish_folder_load (chooser_entry);
 | |
|   else
 | |
|     g_signal_connect (chooser_entry->current_folder, "finished-loading",
 | |
| 		      G_CALLBACK (finished_loading_cb), chooser_entry);
 | |
| 
 | |
| out:
 | |
|   g_object_unref (chooser_entry);
 | |
|   g_object_unref (cancellable);
 | |
| }
 | |
| 
 | |
| static RefreshStatus
 | |
| start_loading_current_folder (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   if (chooser_entry->file_system == NULL)
 | |
|     return REFRESH_OK;
 | |
| 
 | |
|   g_assert (chooser_entry->current_folder_file != NULL);
 | |
|   g_assert (chooser_entry->current_folder == NULL);
 | |
|   g_assert (chooser_entry->load_folder_cancellable == NULL);
 | |
| 
 | |
|   if (chooser_entry->local_only
 | |
|       && !g_file_is_native (chooser_entry->current_folder_file))
 | |
|     {
 | |
|       g_object_unref (chooser_entry->current_folder_file);
 | |
|       chooser_entry->current_folder_file = NULL;
 | |
| 
 | |
|       return REFRESH_NOT_LOCAL;
 | |
|     }
 | |
| 
 | |
|   chooser_entry->load_folder_cancellable =
 | |
|     _gtk_file_system_get_folder (chooser_entry->file_system,
 | |
| 			         chooser_entry->current_folder_file,
 | |
| 			 	"standard::name,standard::display-name,standard::type",
 | |
| 			         load_directory_get_folder_callback,
 | |
| 			         g_object_ref (chooser_entry));
 | |
| 
 | |
|   return REFRESH_OK;
 | |
| }
 | |
| 
 | |
| static RefreshStatus
 | |
| reload_current_folder (GtkFileChooserEntry *chooser_entry,
 | |
| 		       GFile               *folder_file,
 | |
| 		       gboolean             force_reload)
 | |
| {
 | |
|   gboolean reload = FALSE;
 | |
| 
 | |
|   g_assert (folder_file != NULL);
 | |
| 
 | |
|   if (chooser_entry->current_folder_file)
 | |
|     {
 | |
|       if ((!(g_file_equal (folder_file, chooser_entry->current_folder_file)
 | |
| 	     && chooser_entry->load_folder_cancellable))
 | |
| 	  || force_reload)
 | |
| 	{
 | |
| 	  reload = TRUE;
 | |
| 
 | |
|           discard_current_folder (chooser_entry);
 | |
| 	  discard_loading_and_current_folder_file (chooser_entry);
 | |
| 
 | |
| 	  chooser_entry->current_folder_file = g_object_ref (folder_file);
 | |
| 	}
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       chooser_entry->current_folder_file = g_object_ref (folder_file);
 | |
|       reload = TRUE;
 | |
|     }
 | |
| 
 | |
|   if (reload)
 | |
|     return start_loading_current_folder (chooser_entry);
 | |
|   else
 | |
|     return REFRESH_OK;
 | |
| }
 | |
| 
 | |
| static RefreshStatus
 | |
| refresh_current_folder_and_file_part (GtkFileChooserEntry *chooser_entry,
 | |
| 				      RefreshMode          refresh_mode)
 | |
| {
 | |
|   GtkEditable *editable;
 | |
|   gint end_pos;
 | |
|   gchar *text;
 | |
|   GFile *folder_file;
 | |
|   gchar *file_part;
 | |
|   gsize total_len, file_part_len;
 | |
|   gint file_part_pos;
 | |
|   GError *error;
 | |
|   RefreshStatus result;
 | |
| 
 | |
|   editable = GTK_EDITABLE (chooser_entry);
 | |
| 
 | |
|   switch (refresh_mode)
 | |
|     {
 | |
|     case REFRESH_UP_TO_CURSOR_POSITION:
 | |
|       end_pos = gtk_editable_get_position (editable);
 | |
|       break;
 | |
| 
 | |
|     case REFRESH_WHOLE_TEXT:
 | |
|       end_pos = gtk_entry_get_text_length (GTK_ENTRY (chooser_entry));
 | |
|       break;
 | |
| 
 | |
|     default:
 | |
|       g_assert_not_reached ();
 | |
|       return REFRESH_INVALID_INPUT;
 | |
|     }
 | |
| 
 | |
|   text = gtk_editable_get_chars (editable, 0, end_pos);
 | |
| 
 | |
|   error = NULL;
 | |
|   if (!chooser_entry->file_system ||
 | |
|       !chooser_entry->base_folder ||
 | |
|       !_gtk_file_system_parse (chooser_entry->file_system,
 | |
| 			       chooser_entry->base_folder, text,
 | |
| 			       &folder_file, &file_part, &error))
 | |
|     {
 | |
|       if (g_error_matches (error, GTK_FILE_CHOOSER_ERROR, GTK_FILE_CHOOSER_ERROR_INCOMPLETE_HOSTNAME))
 | |
| 	{
 | |
| 	  folder_file = NULL;
 | |
| 	  result = REFRESH_INCOMPLETE_HOSTNAME;
 | |
| 	}
 | |
|       else
 | |
| 	{
 | |
| 	  folder_file = (chooser_entry->base_folder) ? g_object_ref (chooser_entry->base_folder) : NULL;
 | |
| 
 | |
| 	  if (g_error_matches (error, GTK_FILE_CHOOSER_ERROR, GTK_FILE_CHOOSER_ERROR_NONEXISTENT))
 | |
| 	    result = REFRESH_NONEXISTENT;
 | |
| 	  else
 | |
| 	    result = REFRESH_INVALID_INPUT;
 | |
| 	}
 | |
| 
 | |
|       if (error)
 | |
| 	g_error_free (error);
 | |
| 
 | |
|       file_part = g_strdup ("");
 | |
|       file_part_pos = -1;
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       g_assert (folder_file != NULL);
 | |
| 
 | |
|       file_part_len = strlen (file_part);
 | |
|       total_len = strlen (text);
 | |
|       if (total_len > file_part_len)
 | |
| 	file_part_pos = g_utf8_strlen (text, total_len - file_part_len);
 | |
|       else
 | |
| 	file_part_pos = 0;
 | |
| 
 | |
|       result = REFRESH_OK;
 | |
|     }
 | |
| 
 | |
|   g_free (text);
 | |
| 
 | |
|   g_free (chooser_entry->file_part);
 | |
| 
 | |
|   chooser_entry->file_part = file_part;
 | |
|   chooser_entry->file_part_pos = file_part_pos;
 | |
| 
 | |
|   if (result == REFRESH_OK)
 | |
|     {
 | |
|       result = reload_current_folder (chooser_entry, folder_file, file_part_pos == -1);
 | |
|     }
 | |
|   else
 | |
|     {
 | |
|       discard_current_folder (chooser_entry);
 | |
|       discard_loading_and_current_folder_file (chooser_entry);
 | |
|     }
 | |
| 
 | |
|   if (folder_file)
 | |
|     g_object_unref (folder_file);
 | |
| 
 | |
|   g_assert (/* we are OK and we have a current folder file and (loading process or folder handle)... */
 | |
| 	    ((result == REFRESH_OK)
 | |
| 	     && (chooser_entry->current_folder_file != NULL)
 | |
| 	     && (((chooser_entry->load_folder_cancellable != NULL) && (chooser_entry->current_folder == NULL))
 | |
| 		 || ((chooser_entry->load_folder_cancellable == NULL) && (chooser_entry->current_folder != NULL))))
 | |
| 	    /* ... OR we have an error, and we don't have a current folder file nor a loading process nor a folder handle */
 | |
| 	    || ((result != REFRESH_OK)
 | |
| 		&& (chooser_entry->current_folder_file == NULL)
 | |
| 		&& (chooser_entry->load_folder_cancellable == NULL)
 | |
| 		&& (chooser_entry->current_folder == NULL)));
 | |
| 
 | |
|   return result;
 | |
| }
 | |
| 
 | |
| static void
 | |
| autocomplete (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   if (!(chooser_entry->current_folder != NULL
 | |
| 	&& _gtk_folder_is_finished_loading (chooser_entry->current_folder)
 | |
| 	&& gtk_editable_get_position (GTK_EDITABLE (chooser_entry)) == gtk_entry_get_text_length (GTK_ENTRY (chooser_entry))))
 | |
|     return;
 | |
| 
 | |
|   append_common_prefix (chooser_entry, TRUE, FALSE);
 | |
| }
 | |
| 
 | |
| static void
 | |
| start_autocompletion (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   RefreshStatus status;
 | |
| 
 | |
|   status = refresh_current_folder_and_file_part (chooser_entry, REFRESH_UP_TO_CURSOR_POSITION);
 | |
| 
 | |
|   switch (status)
 | |
|     {
 | |
|     case REFRESH_OK:
 | |
|       g_assert (chooser_entry->current_folder_file != NULL);
 | |
| 
 | |
|       if (chooser_entry->current_folder && _gtk_folder_is_finished_loading (chooser_entry->current_folder))
 | |
| 	autocomplete (chooser_entry);
 | |
|       else
 | |
| 	chooser_entry->load_complete_action = LOAD_COMPLETE_AUTOCOMPLETE;
 | |
| 
 | |
|       break;
 | |
| 
 | |
|     case REFRESH_INVALID_INPUT:
 | |
|     case REFRESH_INCOMPLETE_HOSTNAME:
 | |
|     case REFRESH_NONEXISTENT:
 | |
|     case REFRESH_NOT_LOCAL:
 | |
|       /* We don't beep or anything, since this is autocompletion - the user
 | |
|        * didn't request any action explicitly.
 | |
|        */
 | |
|       break;
 | |
| 
 | |
|     default:
 | |
|       g_assert_not_reached ();
 | |
|     }
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| start_autocompletion_idle_handler (gpointer data)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (data);
 | |
| 
 | |
|   start_autocompletion (chooser_entry);
 | |
| 
 | |
|   chooser_entry->start_autocompletion_idle_id = 0;
 | |
| 
 | |
|   return FALSE;
 | |
| }
 | |
| 
 | |
| static void
 | |
| install_start_autocompletion_idle (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   if (chooser_entry->start_autocompletion_idle_id != 0)
 | |
|     return;
 | |
| 
 | |
|   chooser_entry->start_autocompletion_idle_id = gdk_threads_add_idle (start_autocompletion_idle_handler, chooser_entry);
 | |
| }
 | |
| 
 | |
| #ifdef G_OS_WIN32
 | |
| static gint
 | |
| insert_text_callback (GtkFileChooserEntry *chooser_entry,
 | |
| 		      const gchar	  *new_text,
 | |
| 		      gint       	   new_text_length,
 | |
| 		      gint       	  *position,
 | |
| 		      gpointer   	   user_data)
 | |
| {
 | |
|   const gchar *colon = memchr (new_text, ':', new_text_length);
 | |
|   gint i;
 | |
| 
 | |
|   /* Disallow these characters altogether */
 | |
|   for (i = 0; i < new_text_length; i++)
 | |
|     {
 | |
|       if (new_text[i] == '<' ||
 | |
| 	  new_text[i] == '>' ||
 | |
| 	  new_text[i] == '"' ||
 | |
| 	  new_text[i] == '|' ||
 | |
| 	  new_text[i] == '*' ||
 | |
| 	  new_text[i] == '?')
 | |
| 	break;
 | |
|     }
 | |
| 
 | |
|   if (i < new_text_length ||
 | |
|       /* Disallow entering text that would cause a colon to be anywhere except
 | |
|        * after a drive letter.
 | |
|        */
 | |
|       (colon != NULL &&
 | |
|        *position + (colon - new_text) != 1) ||
 | |
|       (new_text_length > 0 &&
 | |
|        *position <= 1 &&
 | |
|        GTK_ENTRY (chooser_entry)->text_length >= 2 &&
 | |
|        gtk_entry_get_text (GTK_ENTRY (chooser_entry))[1] == ':'))
 | |
|     {
 | |
|       gtk_widget_error_bell (GTK_WIDGET (chooser_entry));
 | |
|       g_signal_stop_emission_by_name (chooser_entry, "insert_text");
 | |
|       return FALSE;
 | |
|     }
 | |
| 
 | |
|   return TRUE;
 | |
| }
 | |
| 
 | |
| static void
 | |
| delete_text_callback (GtkFileChooserEntry *chooser_entry,
 | |
| 		      gint                 start_pos,
 | |
| 		      gint                 end_pos,
 | |
| 		      gpointer             user_data)
 | |
| {
 | |
|   /* If deleting a drive letter, delete the colon, too */
 | |
|   if (start_pos == 0 && end_pos == 1 &&
 | |
|       GTK_ENTRY (chooser_entry)->text_length >= 2 &&
 | |
|       gtk_entry_get_text (GTK_ENTRY (chooser_entry))[1] == ':')
 | |
|     {
 | |
|       g_signal_handlers_block_by_func (chooser_entry,
 | |
| 				       G_CALLBACK (delete_text_callback),
 | |
| 				       user_data);
 | |
|       gtk_editable_delete_text (GTK_EDITABLE (chooser_entry), 0, 1);
 | |
|       g_signal_handlers_unblock_by_func (chooser_entry,
 | |
| 					 G_CALLBACK (delete_text_callback),
 | |
| 					 user_data);
 | |
|     }
 | |
| }
 | |
| #endif
 | |
| 
 | |
| /**
 | |
|  * _gtk_file_chooser_entry_new:
 | |
|  * @eat_tabs: If %FALSE, allow focus navigation with the tab key.
 | |
|  *
 | |
|  * Creates a new #GtkFileChooserEntry object. #GtkFileChooserEntry
 | |
|  * is an internal implementation widget for the GTK+ file chooser
 | |
|  * which is an entry with completion with respect to a
 | |
|  * #GtkFileSystem object.
 | |
|  *
 | |
|  * Return value: the newly created #GtkFileChooserEntry
 | |
|  **/
 | |
| GtkWidget *
 | |
| _gtk_file_chooser_entry_new (gboolean eat_tabs)
 | |
| {
 | |
|   GtkFileChooserEntry *chooser_entry;
 | |
| 
 | |
|   chooser_entry = g_object_new (GTK_TYPE_FILE_CHOOSER_ENTRY, NULL);
 | |
|   chooser_entry->eat_tabs = (eat_tabs != FALSE);
 | |
| 
 | |
|   return GTK_WIDGET (chooser_entry);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * _gtk_file_chooser_entry_set_file_system:
 | |
|  * @chooser_entry: a #GtkFileChooser
 | |
|  * @file_system: an object implementing #GtkFileSystem
 | |
|  *
 | |
|  * Sets the file system for @chooser_entry.
 | |
|  **/
 | |
| void
 | |
| _gtk_file_chooser_entry_set_file_system (GtkFileChooserEntry *chooser_entry,
 | |
| 					 GtkFileSystem       *file_system)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_FILE_CHOOSER_ENTRY (chooser_entry));
 | |
|   g_return_if_fail (GTK_IS_FILE_SYSTEM (file_system));
 | |
| 
 | |
|   if (file_system != chooser_entry->file_system)
 | |
|     {
 | |
|       if (chooser_entry->file_system)
 | |
| 	g_object_unref (chooser_entry->file_system);
 | |
| 
 | |
|       chooser_entry->file_system = g_object_ref (file_system);
 | |
|     }
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * _gtk_file_chooser_entry_set_base_folder:
 | |
|  * @chooser_entry: a #GtkFileChooserEntry
 | |
|  * @file: file for a folder in the chooser entries current file system.
 | |
|  *
 | |
|  * Sets the folder with respect to which completions occur.
 | |
|  **/
 | |
| void
 | |
| _gtk_file_chooser_entry_set_base_folder (GtkFileChooserEntry *chooser_entry,
 | |
| 					 GFile               *file)
 | |
| {
 | |
|   if (chooser_entry->base_folder)
 | |
|     g_object_unref (chooser_entry->base_folder);
 | |
| 
 | |
|   chooser_entry->base_folder = file;
 | |
| 
 | |
|   if (chooser_entry->base_folder)
 | |
|     g_object_ref (chooser_entry->base_folder);
 | |
| 
 | |
|   clear_completions (chooser_entry);
 | |
|   _gtk_file_chooser_entry_select_filename (chooser_entry);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * _gtk_file_chooser_entry_get_current_folder:
 | |
|  * @chooser_entry: a #GtkFileChooserEntry
 | |
|  *
 | |
|  * Gets the current folder for the #GtkFileChooserEntry. If the
 | |
|  * user has only entered a filename, this will be in the base folder
 | |
|  * (see _gtk_file_chooser_entry_set_base_folder()), but if the
 | |
|  * user has entered a relative or absolute path, then it will
 | |
|  * be different.  If the user has entered unparsable text, or text which
 | |
|  * the entry cannot handle, this will return %NULL.
 | |
|  *
 | |
|  * Return value: the file for the current folder - this value is owned by the
 | |
|  *  chooser entry and must not be modified or freed.
 | |
|  **/
 | |
| GFile *
 | |
| _gtk_file_chooser_entry_get_current_folder (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   commit_completion_and_refresh (chooser_entry);
 | |
|   return chooser_entry->current_folder_file;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * _gtk_file_chooser_entry_get_file_part:
 | |
|  * @chooser_entry: a #GtkFileChooserEntry
 | |
|  *
 | |
|  * Gets the non-folder portion of whatever the user has entered
 | |
|  * into the file selector. What is returned is a UTF-8 string,
 | |
|  * and if a filename path is needed, g_file_get_child_for_display_name()
 | |
|  * must be used
 | |
|   *
 | |
|  * Return value: the entered filename - this value is owned by the
 | |
|  *  chooser entry and must not be modified or freed.
 | |
|  **/
 | |
| const gchar *
 | |
| _gtk_file_chooser_entry_get_file_part (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   commit_completion_and_refresh (chooser_entry);
 | |
|   return chooser_entry->file_part;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * _gtk_file_chooser_entry_set_file_part:
 | |
|  * @chooser_entry: a #GtkFileChooserEntry
 | |
|  * @file_part: text to display in the entry, in UTF-8
 | |
|  *
 | |
|  * Sets the current text shown in the file chooser entry.
 | |
|  **/
 | |
| void
 | |
| _gtk_file_chooser_entry_set_file_part (GtkFileChooserEntry *chooser_entry,
 | |
| 				       const gchar         *file_part)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_FILE_CHOOSER_ENTRY (chooser_entry));
 | |
| 
 | |
|   chooser_entry->in_change = TRUE;
 | |
|   clear_completions (chooser_entry);
 | |
|   gtk_entry_set_text (GTK_ENTRY (chooser_entry), file_part);
 | |
|   chooser_entry->in_change = FALSE;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * _gtk_file_chooser_entry_set_action:
 | |
|  * @chooser_entry: a #GtkFileChooserEntry
 | |
|  * @action: the action which is performed by the file selector using this entry
 | |
|  *
 | |
|  * Sets action which is performed by the file selector using this entry. 
 | |
|  * The #GtkFileChooserEntry will use different completion strategies for 
 | |
|  * different actions.
 | |
|  **/
 | |
| void
 | |
| _gtk_file_chooser_entry_set_action (GtkFileChooserEntry *chooser_entry,
 | |
| 				    GtkFileChooserAction action)
 | |
| {
 | |
|   g_return_if_fail (GTK_IS_FILE_CHOOSER_ENTRY (chooser_entry));
 | |
|   
 | |
|   if (chooser_entry->action != action)
 | |
|     {
 | |
|       GtkEntryCompletion *comp;
 | |
| 
 | |
|       chooser_entry->action = action;
 | |
| 
 | |
|       comp = gtk_entry_get_completion (GTK_ENTRY (chooser_entry));
 | |
| 
 | |
|       /* FIXME: do we need to actually set the following? */
 | |
| 
 | |
|       switch (action)
 | |
| 	{
 | |
| 	case GTK_FILE_CHOOSER_ACTION_OPEN:
 | |
| 	case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
 | |
| 	  gtk_entry_completion_set_popup_single_match (comp, FALSE);
 | |
| 	  break;
 | |
| 	case GTK_FILE_CHOOSER_ACTION_SAVE:
 | |
| 	case GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER:
 | |
| 	  gtk_entry_completion_set_popup_single_match (comp, TRUE);
 | |
| 	  break;
 | |
| 	}
 | |
|     }
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|  * _gtk_file_chooser_entry_get_action:
 | |
|  * @chooser_entry: a #GtkFileChooserEntry
 | |
|  *
 | |
|  * Gets the action for this entry. 
 | |
|  *
 | |
|  * Returns: the action
 | |
|  **/
 | |
| GtkFileChooserAction
 | |
| _gtk_file_chooser_entry_get_action (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   g_return_val_if_fail (GTK_IS_FILE_CHOOSER_ENTRY (chooser_entry),
 | |
| 			GTK_FILE_CHOOSER_ACTION_OPEN);
 | |
|   
 | |
|   return chooser_entry->action;
 | |
| }
 | |
| 
 | |
| gboolean
 | |
| _gtk_file_chooser_entry_get_is_folder (GtkFileChooserEntry *chooser_entry,
 | |
| 				       GFile               *file)
 | |
| {
 | |
|   gboolean retval = FALSE;
 | |
| 
 | |
|   if (chooser_entry->current_folder)
 | |
|     {
 | |
|       GFileInfo *file_info;
 | |
| 
 | |
|       file_info = _gtk_folder_get_info (chooser_entry->current_folder, file);
 | |
| 
 | |
|       if (file_info)
 | |
|         {
 | |
| 	  retval = _gtk_file_info_consider_as_directory (file_info);
 | |
| 	  g_object_unref (file_info);
 | |
| 	}
 | |
|     }
 | |
| 
 | |
|   return retval;
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * _gtk_file_chooser_entry_select_filename:
 | |
|  * @chooser_entry: a #GtkFileChooserEntry
 | |
|  *
 | |
|  * Selects the filename (without the extension) for user edition.
 | |
|  */
 | |
| void
 | |
| _gtk_file_chooser_entry_select_filename (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   const gchar *str, *ext;
 | |
|   glong len = -1;
 | |
| 
 | |
|   if (chooser_entry->action == GTK_FILE_CHOOSER_ACTION_SAVE)
 | |
|     {
 | |
|       str = gtk_entry_get_text (GTK_ENTRY (chooser_entry));
 | |
|       ext = g_strrstr (str, ".");
 | |
| 
 | |
|       if (ext)
 | |
|        len = g_utf8_pointer_to_offset (str, ext);
 | |
|     }
 | |
| 
 | |
|   gtk_editable_select_region (GTK_EDITABLE (chooser_entry), 0, (gint) len);
 | |
| }
 | |
| 
 | |
| void
 | |
| _gtk_file_chooser_entry_set_local_only (GtkFileChooserEntry *chooser_entry,
 | |
|                                         gboolean             local_only)
 | |
| {
 | |
|   chooser_entry->local_only = local_only;
 | |
|   clear_completions (chooser_entry);
 | |
| }
 | |
| 
 | |
| gboolean
 | |
| _gtk_file_chooser_entry_get_local_only (GtkFileChooserEntry *chooser_entry)
 | |
| {
 | |
|   return chooser_entry->local_only;
 | |
| }
 | 
