forked from AuroraMiddleware/gtk
640d68778a
2008-06-10 Carlos Garnacho <carlos@imendio.com>
Bug 520874 - Should use gio directly.
* gtk/gtkfilesystem.[ch]: Turn into a private object, which mostly
provides helper functions for asynchronous calls, folder abstraction
and uniform handling of volumes/drives/mounts.
* gtk/gtkfilesystemwin32.[ch]:
* gtk/gtkfilesystemunix.[ch]: Removed, these are no longer required.
* gtk/gtkfilechooser.c:
* gtk/gtkfilechooserbutton.c:
* gtk/gtkfilechooserdefault.c:
* gtk/gtkfilechooserentry.[ch]:
* gtk/gtkfilechooserprivate.h:
* gtk/gtkfilechooserutils.c:
* gtk/gtkfilesystemmodel.[ch]:
* gtk/gtkpathbar.[ch]: Use GIO internally. Adapt to GtkFileSystem API.
Do not load filesystem implementation modules.
* gtk/Makefile.am:
* gtk/gtk.symbols: the gtkfilesystem.h private header isn't installed
anymore, nor the unix/win32 implementations.
* README.in: Add blurb about these changes.
svn path=/trunk/; revision=20342
1835 lines
52 KiB
C
1835 lines
52 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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#include <config.h>
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#include <string.h>
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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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typedef struct _GtkFileChooserEntryClass GtkFileChooserEntryClass;
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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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struct _GtkFileChooserEntryClass
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{
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GtkEntryClass parent_class;
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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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struct _GtkFileChooserEntry
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{
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GtkEntry parent_instance;
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GtkFileChooserAction action;
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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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/* 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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LoadCompleteAction load_complete_action;
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GtkListStore *completion_store;
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guint start_autocompletion_idle_id;
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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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guint has_completion : 1;
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guint in_change : 1;
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guint eat_tabs : 1;
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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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#define COMPLETION_FEEDBACK_TIMEOUT_MS 2000
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static void gtk_file_chooser_entry_iface_init (GtkEditableClass *iface);
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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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#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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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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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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static void 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 (GFile *file,
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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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static GtkEditableClass *parent_editable_iface;
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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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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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gobject_class->finalize = gtk_file_chooser_entry_finalize;
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gobject_class->dispose = gtk_file_chooser_entry_dispose;
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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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entry_class->activate = gtk_file_chooser_entry_activate;
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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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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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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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g_object_set (chooser_entry, "truncate-multiline", TRUE, NULL);
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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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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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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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g_signal_connect (comp, "match_selected",
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G_CALLBACK (match_selected_callback), chooser_entry);
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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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#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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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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if (chooser_entry->base_folder)
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g_object_unref (chooser_entry->base_folder);
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if (chooser_entry->current_folder)
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g_object_unref (chooser_entry->current_folder);
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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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g_free (chooser_entry->file_part);
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G_OBJECT_CLASS (_gtk_file_chooser_entry_parent_class)->finalize (object);
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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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remove_completion_feedback (chooser_entry);
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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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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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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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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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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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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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{
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char *display_name;
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GFile *file;
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gint pos;
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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);
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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;
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}
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display_name = maybe_append_separator_to_file (chooser_entry, file, display_name);
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pos = chooser_entry->file_part_pos;
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/* We don't set in_change here as we want to update the current_folder
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* variable */
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gtk_editable_delete_text (GTK_EDITABLE (chooser_entry),
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pos, -1);
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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);
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g_object_unref (file);
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g_free (display_name);
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return TRUE;
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}
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/* 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,
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GtkTreeIter *iter,
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gpointer data)
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{
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GtkFileChooserEntry *chooser_entry;
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char *name;
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gboolean result;
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char *norm_file_part;
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char *norm_name;
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chooser_entry = GTK_FILE_CHOOSER_ENTRY (data);
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/* We ignore the key because it is the contents of the entry. Instead, we
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* just use our precomputed file_part.
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*/
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if (!chooser_entry->file_part)
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{
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return FALSE;
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}
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gtk_tree_model_get (GTK_TREE_MODEL (chooser_entry->completion_store), iter, DISPLAY_NAME_COLUMN, &name, -1);
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if (!name)
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{
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return FALSE; /* Uninitialized row, ugh */
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}
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/* If we have an empty file_part, then we're at the root of a directory. In
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* that case, we want to match all non-dot files. We might want to match
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* dot_files too if show_hidden is TRUE on the fileselector in the future.
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*/
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/* Additionally, support for gnome .hidden files would be sweet, too */
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if (chooser_entry->file_part[0] == '\000')
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{
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if (name[0] == '.')
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result = FALSE;
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else
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result = TRUE;
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g_free (name);
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return result;
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}
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norm_file_part = g_utf8_normalize (chooser_entry->file_part, -1, G_NORMALIZE_ALL);
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norm_name = g_utf8_normalize (name, -1, G_NORMALIZE_ALL);
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#ifdef G_PLATFORM_WIN32
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{
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gchar *temp;
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temp = norm_file_part;
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norm_file_part = g_utf8_casefold (norm_file_part, -1);
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g_free (temp);
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temp = norm_name;
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norm_name = g_utf8_casefold (norm_name, -1);
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g_free (temp);
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}
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#endif
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result = (strncmp (norm_file_part, norm_name, strlen (norm_file_part)) == 0);
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g_free (norm_file_part);
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g_free (norm_name);
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g_free (name);
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return result;
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}
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static void
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clear_completions (GtkFileChooserEntry *chooser_entry)
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{
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chooser_entry->has_completion = FALSE;
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chooser_entry->load_complete_action = LOAD_COMPLETE_NOTHING;
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remove_completion_feedback (chooser_entry);
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}
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static void
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beep (GtkFileChooserEntry *chooser_entry)
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{
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gtk_widget_error_bell (GTK_WIDGET (chooser_entry));
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}
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/* This function will append a directory separator to paths to
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* display_name iff the path associated with it is a directory.
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* maybe_append_separator_to_file will g_free the display_name and
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* return a new one if needed. Otherwise, it will return the old one.
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* You should be safe calling
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*
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* display_name = maybe_append_separator_to_file (entry, file, display_name);
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* ...
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* g_free (display_name);
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*/
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static char *
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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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{
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if (!g_str_has_suffix (display_name, G_DIR_SEPARATOR_S) && file)
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{
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GFileInfo *info;
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info = gtk_folder_get_info (chooser_entry->current_folder, file);
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if (info)
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{
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if (g_file_info_get_file_type (info) == G_FILE_TYPE_DIRECTORY)
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{
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gchar *tmp = display_name;
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display_name = g_strconcat (tmp, G_DIR_SEPARATOR_S, NULL);
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g_free (tmp);
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}
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g_object_unref (info);
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}
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}
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return display_name;
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}
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|
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static char *
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trim_dir_separator_suffix (const char *str)
|
|
{
|
|
int len;
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|
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len = strlen (str);
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if (len > 0 && G_IS_DIR_SEPARATOR (str[len - 1]))
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return g_strndup (str, len - 1);
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else
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return g_strdup (str);
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}
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|
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/* Determines if the completion model has entries with a common prefix relative
|
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* to the current contents of the entry. Also, if there's one and only one such
|
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* path, stores it in unique_path_ret.
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*/
|
|
static gboolean
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find_common_prefix (GtkFileChooserEntry *chooser_entry,
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gchar **common_prefix_ret,
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GFile **unique_file_ret,
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gboolean *is_complete_not_unique_ret,
|
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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 (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 (chooser_entry)->text_length)
|
|
{
|
|
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 (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))
|
|
common_prefix = maybe_append_separator_to_file (chooser_entry,
|
|
unique_file,
|
|
common_prefix);
|
|
|
|
g_object_unref (unique_file);
|
|
|
|
if (common_prefix)
|
|
{
|
|
if (prefix_expands_the_file_part)
|
|
result = COMPLETED_UNIQUE;
|
|
else
|
|
result = NOTHING_INSERTED_UNIQUE;
|
|
}
|
|
else
|
|
result = INVALID_INPUT;
|
|
|
|
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 (chooser_entry)->text_length;
|
|
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)
|
|
{
|
|
/* Stolen from gtkentry.c:set_invisible_cursor() */
|
|
/* FIXME: implement a stupid public gdk_window_set_invisible_mouse_cursor() */
|
|
|
|
GdkBitmap *empty_bitmap;
|
|
GdkCursor *cursor;
|
|
GdkColor useless;
|
|
char invisible_cursor_bits[] = { 0x0 };
|
|
|
|
useless.red = useless.green = useless.blue = 0;
|
|
useless.pixel = 0;
|
|
|
|
empty_bitmap = gdk_bitmap_create_from_data (window,
|
|
invisible_cursor_bits,
|
|
1, 1);
|
|
|
|
cursor = gdk_cursor_new_from_pixmap (empty_bitmap,
|
|
empty_bitmap,
|
|
&useless,
|
|
&useless, 0, 0);
|
|
|
|
gdk_window_set_cursor (window, cursor);
|
|
|
|
gdk_cursor_unref (cursor);
|
|
|
|
g_object_unref (empty_bitmap);
|
|
}
|
|
|
|
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);
|
|
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:
|
|
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:
|
|
pop_up_completion_feedback (chooser_entry, _("Complete, but not unique"));
|
|
break;
|
|
|
|
default:
|
|
g_assert_not_reached ();
|
|
}
|
|
}
|
|
|
|
static void
|
|
start_explicit_completion (GtkFileChooserEntry *chooser_entry)
|
|
{
|
|
refresh_current_folder_and_file_part (chooser_entry, REFRESH_UP_TO_CURSOR_POSITION);
|
|
|
|
if (!chooser_entry->current_folder_file)
|
|
{
|
|
/* Here, no folder path means we couldn't parse what the user typed. */
|
|
|
|
beep (chooser_entry);
|
|
pop_up_completion_feedback (chooser_entry, _("Invalid path"));
|
|
|
|
chooser_entry->load_complete_action = LOAD_COMPLETE_NOTHING;
|
|
return;
|
|
}
|
|
|
|
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;
|
|
|
|
pop_up_completion_feedback (chooser_entry, _("Completing..."));
|
|
}
|
|
}
|
|
|
|
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, entry->text_length);
|
|
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 (chooser_entry)->text_length);
|
|
}
|
|
|
|
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;
|
|
|
|
display_name = maybe_append_separator_to_file (chooser_entry, file, display_name);
|
|
|
|
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 (GFile *file,
|
|
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;
|
|
|
|
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);
|
|
}
|
|
|
|
if (chooser_entry->current_folder)
|
|
{
|
|
g_object_unref (chooser_entry->current_folder);
|
|
chooser_entry->current_folder = NULL;
|
|
}
|
|
}
|
|
|
|
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 void
|
|
start_loading_current_folder (GtkFileChooserEntry *chooser_entry)
|
|
{
|
|
if (chooser_entry->current_folder_file == NULL ||
|
|
chooser_entry->file_system == NULL)
|
|
return;
|
|
|
|
g_assert (chooser_entry->current_folder == NULL);
|
|
g_assert (chooser_entry->load_folder_cancellable == NULL);
|
|
|
|
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));
|
|
}
|
|
|
|
static void
|
|
reload_current_folder (GtkFileChooserEntry *chooser_entry,
|
|
GFile *folder_file,
|
|
gboolean force_reload)
|
|
{
|
|
gboolean reload = FALSE;
|
|
|
|
if (chooser_entry->current_folder_file)
|
|
{
|
|
if ((folder_file && !g_file_equal (folder_file, chooser_entry->current_folder_file))
|
|
|| force_reload)
|
|
{
|
|
reload = TRUE;
|
|
|
|
/* We changed our current directory. We need to clear out the old
|
|
* directory information.
|
|
*/
|
|
if (chooser_entry->current_folder)
|
|
{
|
|
if (chooser_entry->load_folder_cancellable)
|
|
{
|
|
g_cancellable_cancel (chooser_entry->load_folder_cancellable);
|
|
chooser_entry->load_folder_cancellable = NULL;
|
|
}
|
|
|
|
g_object_unref (chooser_entry->current_folder);
|
|
chooser_entry->current_folder = NULL;
|
|
}
|
|
|
|
g_object_unref (chooser_entry->current_folder_file);
|
|
chooser_entry->current_folder_file = g_object_ref (folder_file);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
chooser_entry->current_folder_file = (folder_file) ? g_object_ref (folder_file) : NULL;
|
|
reload = TRUE;
|
|
}
|
|
|
|
if (reload)
|
|
start_loading_current_folder (chooser_entry);
|
|
}
|
|
|
|
static void
|
|
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;
|
|
|
|
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 (chooser_entry)->text_length;
|
|
break;
|
|
|
|
default:
|
|
g_assert_not_reached ();
|
|
return;
|
|
}
|
|
|
|
text = gtk_editable_get_chars (editable, 0, end_pos);
|
|
|
|
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, NULL)) /* NULL-GError */
|
|
{
|
|
folder_file = (chooser_entry->base_folder) ? g_object_ref (chooser_entry->base_folder) : NULL;
|
|
file_part = g_strdup ("");
|
|
file_part_pos = -1;
|
|
}
|
|
else
|
|
{
|
|
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;
|
|
}
|
|
|
|
g_free (text);
|
|
|
|
g_free (chooser_entry->file_part);
|
|
|
|
chooser_entry->file_part = file_part;
|
|
chooser_entry->file_part_pos = file_part_pos;
|
|
|
|
reload_current_folder (chooser_entry, folder_file, file_part_pos == -1);
|
|
|
|
if (folder_file)
|
|
g_object_unref (folder_file);
|
|
}
|
|
|
|
static void
|
|
autocomplete (GtkFileChooserEntry *chooser_entry)
|
|
{
|
|
g_assert (chooser_entry->current_folder != NULL);
|
|
g_assert (gtk_folder_is_finished_loading (chooser_entry->current_folder));
|
|
g_assert (gtk_editable_get_position (GTK_EDITABLE (chooser_entry)) == GTK_ENTRY (chooser_entry)->text_length);
|
|
|
|
append_common_prefix (chooser_entry, TRUE, FALSE);
|
|
}
|
|
|
|
static void
|
|
start_autocompletion (GtkFileChooserEntry *chooser_entry)
|
|
{
|
|
refresh_current_folder_and_file_part (chooser_entry, REFRESH_UP_TO_CURSOR_POSITION);
|
|
|
|
if (!chooser_entry->current_folder)
|
|
{
|
|
/* We don't beep or anything, since this is autocompletion - the user
|
|
* didn't request any action explicitly.
|
|
*/
|
|
return;
|
|
}
|
|
|
|
if (gtk_folder_is_finished_loading (chooser_entry->current_folder))
|
|
autocomplete (chooser_entry);
|
|
else
|
|
chooser_entry->load_complete_action = LOAD_COMPLETE_AUTOCOMPLETE;
|
|
}
|
|
|
|
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 = g_idle_add (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 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 a relative or absolute
|
|
* path that doesn't point to a folder in the file system, it will
|
|
* be %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 = (g_file_info_get_file_type (file_info) == G_FILE_TYPE_DIRECTORY);
|
|
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);
|
|
}
|
|
|