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livetrax/libs/tk/ytk/gtkfilechooserentry.c
Robin Gareus ad51c7c2ba
Localize stripped down gtk2 
This is intended mainly for GNU/Linux distros who will remove
GTK2 support in the near future.
2024-01-06 21:52:48 +01:00

964 lines
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/* GTK - The GIMP Toolkit
* gtkfilechooserentry.c: Entry with filename completion
* Copyright (C) 2003, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "gtkfilechooserentry.h"
#include <string.h>
#include "gtkalignment.h"
#include "gtkcelllayout.h"
#include "gtkcellrenderertext.h"
#include "gtkentryprivate.h"
#include "gtkfilesystemmodel.h"
#include "gtklabel.h"
#include "gtkmain.h"
#include "gtkwindow.h"
#include "gtkintl.h"
#include "gtkalias.h"
#include "gdkkeysyms.h"
typedef struct _GtkFileChooserEntryClass GtkFileChooserEntryClass;
#define GTK_FILE_CHOOSER_ENTRY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_CHOOSER_ENTRY, GtkFileChooserEntryClass))
#define GTK_IS_FILE_CHOOSER_ENTRY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_CHOOSER_ENTRY))
#define GTK_FILE_CHOOSER_ENTRY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_CHOOSER_ENTRY, GtkFileChooserEntryClass))
struct _GtkFileChooserEntryClass
{
GtkEntryClass parent_class;
};
struct _GtkFileChooserEntry
{
GtkEntry parent_instance;
GtkFileChooserAction action;
GFile *base_folder;
GFile *current_folder_file;
gchar *dir_part;
gchar *file_part;
GtkTreeModel *completion_store;
guint current_folder_loaded : 1;
guint complete_on_load : 1;
guint eat_tabs : 1;
guint local_only : 1;
};
enum
{
DISPLAY_NAME_COLUMN,
FULL_PATH_COLUMN,
N_COLUMNS
};
static void gtk_file_chooser_entry_finalize (GObject *object);
static void gtk_file_chooser_entry_dispose (GObject *object);
static void gtk_file_chooser_entry_grab_focus (GtkWidget *widget);
static gboolean gtk_file_chooser_entry_tab_handler (GtkWidget *widget,
GdkEventKey *event);
static gboolean gtk_file_chooser_entry_focus_out_event (GtkWidget *widget,
GdkEventFocus *event);
#ifdef G_OS_WIN32
static gint insert_text_callback (GtkFileChooserEntry *widget,
const gchar *new_text,
gint new_text_length,
gint *position,
gpointer user_data);
static void delete_text_callback (GtkFileChooserEntry *widget,
gint start_pos,
gint end_pos,
gpointer user_data);
#endif
static gboolean match_selected_callback (GtkEntryCompletion *completion,
GtkTreeModel *model,
GtkTreeIter *iter,
GtkFileChooserEntry *chooser_entry);
static void set_complete_on_load (GtkFileChooserEntry *chooser_entry,
gboolean complete_on_load);
static void refresh_current_folder_and_file_part (GtkFileChooserEntry *chooser_entry);
static void set_completion_folder (GtkFileChooserEntry *chooser_entry,
GFile *folder,
char *dir_part);
static void finished_loading_cb (GtkFileSystemModel *model,
GError *error,
GtkFileChooserEntry *chooser_entry);
G_DEFINE_TYPE (GtkFileChooserEntry, _gtk_file_chooser_entry, GTK_TYPE_ENTRY)
static char *
gtk_file_chooser_entry_get_completion_text (GtkFileChooserEntry *chooser_entry)
{
GtkEditable *editable = GTK_EDITABLE (chooser_entry);
int start, end;
gtk_editable_get_selection_bounds (editable, &start, &end);
return gtk_editable_get_chars (editable, 0, MIN (start, end));
}
static void
gtk_file_chooser_entry_dispatch_properties_changed (GObject *object,
guint n_pspecs,
GParamSpec **pspecs)
{
GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (object);
guint i;
G_OBJECT_CLASS (_gtk_file_chooser_entry_parent_class)->dispatch_properties_changed (object, n_pspecs, pspecs);
/* Don't do this during or after disposal */
if (gtk_widget_get_parent (GTK_WIDGET (object)) != NULL)
{
/* What we are after: The text in front of the cursor was modified.
* Unfortunately, there's no other way to catch this.
*/
for (i = 0; i < n_pspecs; i++)
{
if (pspecs[i]->name == I_("cursor-position") ||
pspecs[i]->name == I_("selection-bound") ||
pspecs[i]->name == I_("text"))
{
set_complete_on_load (chooser_entry, FALSE);
refresh_current_folder_and_file_part (chooser_entry);
break;
}
}
}
}
static void
_gtk_file_chooser_entry_class_init (GtkFileChooserEntryClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
gobject_class->finalize = gtk_file_chooser_entry_finalize;
gobject_class->dispose = gtk_file_chooser_entry_dispose;
gobject_class->dispatch_properties_changed = gtk_file_chooser_entry_dispatch_properties_changed;
widget_class->grab_focus = gtk_file_chooser_entry_grab_focus;
widget_class->focus_out_event = gtk_file_chooser_entry_focus_out_event;
}
static void
_gtk_file_chooser_entry_init (GtkFileChooserEntry *chooser_entry)
{
GtkEntryCompletion *comp;
GtkCellRenderer *cell;
chooser_entry->local_only = TRUE;
g_object_set (chooser_entry, "truncate-multiline", TRUE, NULL);
comp = gtk_entry_completion_new ();
gtk_entry_completion_set_popup_single_match (comp, FALSE);
gtk_entry_completion_set_minimum_key_length (comp, 0);
/* see docs for gtk_entry_completion_set_text_column() */
g_object_set (comp, "text-column", FULL_PATH_COLUMN, NULL);
/* Need a match func here or entry completion uses a wrong one.
* We do our own filtering after all. */
gtk_entry_completion_set_match_func (comp,
(GtkEntryCompletionMatchFunc) gtk_true,
chooser_entry,
NULL);
cell = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (comp),
cell, TRUE);
gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (comp),
cell,
"text", DISPLAY_NAME_COLUMN);
g_signal_connect (comp, "match-selected",
G_CALLBACK (match_selected_callback), chooser_entry);
gtk_entry_set_completion (GTK_ENTRY (chooser_entry), comp);
g_object_unref (comp);
/* NB: This needs to happen after the completion is set, so this handler
* runs before the handler installed by entrycompletion */
g_signal_connect (chooser_entry, "key-press-event",
G_CALLBACK (gtk_file_chooser_entry_tab_handler), NULL);
#ifdef G_OS_WIN32
g_signal_connect (chooser_entry, "insert-text",
G_CALLBACK (insert_text_callback), NULL);
g_signal_connect (chooser_entry, "delete-text",
G_CALLBACK (delete_text_callback), NULL);
#endif
}
static void
gtk_file_chooser_entry_finalize (GObject *object)
{
GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (object);
if (chooser_entry->base_folder)
g_object_unref (chooser_entry->base_folder);
if (chooser_entry->current_folder_file)
g_object_unref (chooser_entry->current_folder_file);
g_free (chooser_entry->dir_part);
g_free (chooser_entry->file_part);
G_OBJECT_CLASS (_gtk_file_chooser_entry_parent_class)->finalize (object);
}
static void
gtk_file_chooser_entry_dispose (GObject *object)
{
GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (object);
set_completion_folder (chooser_entry, NULL, NULL);
G_OBJECT_CLASS (_gtk_file_chooser_entry_parent_class)->dispose (object);
}
/* Match functions for the GtkEntryCompletion */
static gboolean
match_selected_callback (GtkEntryCompletion *completion,
GtkTreeModel *model,
GtkTreeIter *iter,
GtkFileChooserEntry *chooser_entry)
{
char *path;
gint pos;
gtk_tree_model_get (model, iter,
FULL_PATH_COLUMN, &path,
-1);
gtk_editable_delete_text (GTK_EDITABLE (chooser_entry),
0,
gtk_editable_get_position (GTK_EDITABLE (chooser_entry)));
pos = 0;
gtk_editable_insert_text (GTK_EDITABLE (chooser_entry),
path,
-1,
&pos);
gtk_editable_set_position (GTK_EDITABLE (chooser_entry), pos);
g_free (path);
return TRUE;
}
static void
set_complete_on_load (GtkFileChooserEntry *chooser_entry,
gboolean complete_on_load)
{
/* a completion was triggered, but we couldn't do it.
* So no text was inserted when pressing tab, so we beep
*/
if (chooser_entry->complete_on_load && !complete_on_load)
gtk_widget_error_bell (GTK_WIDGET (chooser_entry));
chooser_entry->complete_on_load = complete_on_load;
}
static gboolean
is_valid_scheme_character (char c)
{
return g_ascii_isalnum (c) || c == '+' || c == '-' || c == '.';
}
static gboolean
has_uri_scheme (const char *str)
{
const char *p;
p = str;
if (!is_valid_scheme_character (*p))
return FALSE;
do
p++;
while (is_valid_scheme_character (*p));
return (strncmp (p, "://", 3) == 0);
}
static GFile *
gtk_file_chooser_get_file_for_text (GtkFileChooserEntry *chooser_entry,
const gchar *str)
{
GFile *file;
if (str[0] == '~' || g_path_is_absolute (str) || has_uri_scheme (str))
file = g_file_parse_name (str);
else if (chooser_entry->base_folder != NULL)
file = g_file_resolve_relative_path (chooser_entry->base_folder, str);
else
file = NULL;
return file;
}
static gboolean
is_directory_shortcut (const char *text)
{
return strcmp (text, ".") == 0 ||
strcmp (text, "..") == 0 ||
strcmp (text, "~" ) == 0;
}
static GFile *
gtk_file_chooser_get_directory_for_text (GtkFileChooserEntry *chooser_entry,
const char * text)
{
GFile *file, *parent;
file = gtk_file_chooser_get_file_for_text (chooser_entry, text);
if (file == NULL)
return NULL;
if (text[0] == 0 || text[strlen (text) - 1] == G_DIR_SEPARATOR ||
is_directory_shortcut (text))
return file;
parent = g_file_get_parent (file);
g_object_unref (file);
return parent;
}
/* Finds a common prefix based on the contents of the entry
* and mandatorily appends it
*/
static void
explicitly_complete (GtkFileChooserEntry *chooser_entry)
{
chooser_entry->complete_on_load = FALSE;
if (chooser_entry->completion_store)
{
char *completion, *text;
gsize completion_len, text_len;
text = gtk_file_chooser_entry_get_completion_text (chooser_entry);
text_len = strlen (text);
completion = _gtk_entry_completion_compute_prefix (gtk_entry_get_completion (GTK_ENTRY (chooser_entry)), text);
completion_len = completion ? strlen (completion) : 0;
if (completion_len > text_len)
{
GtkEditable *editable = GTK_EDITABLE (chooser_entry);
int pos = gtk_editable_get_position (editable);
gtk_editable_insert_text (editable,
completion + text_len,
completion_len - text_len,
&pos);
gtk_editable_set_position (editable, pos);
return;
}
}
gtk_widget_error_bell (GTK_WIDGET (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
start_explicit_completion (GtkFileChooserEntry *chooser_entry)
{
if (chooser_entry->current_folder_loaded)
explicitly_complete (chooser_entry);
else
set_complete_on_load (chooser_entry, TRUE);
}
static gboolean
gtk_file_chooser_entry_tab_handler (GtkWidget *widget,
GdkEventKey *event)
{
GtkFileChooserEntry *chooser_entry;
GtkEditable *editable;
GdkModifierType state;
gint start, end;
chooser_entry = GTK_FILE_CHOOSER_ENTRY (widget);
editable = GTK_EDITABLE (widget);
if (!chooser_entry->eat_tabs)
return FALSE;
if (event->keyval != GDK_KEY_Tab)
return FALSE;
if (gtk_get_current_event_state (&state) &&
(state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK)
return FALSE;
/* This is a bit evil -- it makes Tab never leave the entry. It basically
* makes it 'safe' for people to hit. */
gtk_editable_get_selection_bounds (editable, &start, &end);
if (start != end)
gtk_editable_set_position (editable, MAX (start, end));
else
start_explicit_completion (chooser_entry);
return TRUE;
}
static gboolean
gtk_file_chooser_entry_focus_out_event (GtkWidget *widget,
GdkEventFocus *event)
{
GtkFileChooserEntry *chooser_entry = GTK_FILE_CHOOSER_ENTRY (widget);
set_complete_on_load (chooser_entry, FALSE);
return GTK_WIDGET_CLASS (_gtk_file_chooser_entry_parent_class)->focus_out_event (widget, event);
}
static void
update_inline_completion (GtkFileChooserEntry *chooser_entry)
{
GtkEntryCompletion *completion = gtk_entry_get_completion (GTK_ENTRY (chooser_entry));
if (!chooser_entry->current_folder_loaded)
{
gtk_entry_completion_set_inline_completion (completion, FALSE);
return;
}
switch (chooser_entry->action)
{
case GTK_FILE_CHOOSER_ACTION_OPEN:
case GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER:
gtk_entry_completion_set_inline_completion (completion, TRUE);
break;
case GTK_FILE_CHOOSER_ACTION_SAVE:
case GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER:
gtk_entry_completion_set_inline_completion (completion, FALSE);
break;
}
}
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);
update_inline_completion (chooser_entry);
g_object_unref (chooser_entry->completion_store);
chooser_entry->completion_store = NULL;
}
static gboolean
completion_store_set (GtkFileSystemModel *model,
GFile *file,
GFileInfo *info,
int column,
GValue *value,
gpointer data)
{
GtkFileChooserEntry *chooser_entry = data;
const char *prefix = "";
const char *suffix = "";
switch (column)
{
case FULL_PATH_COLUMN:
prefix = chooser_entry->dir_part;
/* fall through */
case DISPLAY_NAME_COLUMN:
if (_gtk_file_info_consider_as_directory (info))
suffix = G_DIR_SEPARATOR_S;
g_value_take_string (value,
g_strconcat (prefix,
g_file_info_get_display_name (info),
suffix,
NULL));
break;
default:
g_assert_not_reached ();
break;
}
return TRUE;
}
/* Fills the completion store from the contents of the current folder */
static void
populate_completion_store (GtkFileChooserEntry *chooser_entry)
{
chooser_entry->completion_store = GTK_TREE_MODEL (
_gtk_file_system_model_new_for_directory (chooser_entry->current_folder_file,
"standard::name,standard::display-name,standard::type",
completion_store_set,
chooser_entry,
N_COLUMNS,
G_TYPE_STRING,
G_TYPE_STRING));
g_signal_connect (chooser_entry->completion_store, "finished-loading",
G_CALLBACK (finished_loading_cb), chooser_entry);
_gtk_file_system_model_set_filter_folders (GTK_FILE_SYSTEM_MODEL (chooser_entry->completion_store),
TRUE);
_gtk_file_system_model_set_show_files (GTK_FILE_SYSTEM_MODEL (chooser_entry->completion_store),
chooser_entry->action == GTK_FILE_CHOOSER_ACTION_OPEN ||
chooser_entry->action == GTK_FILE_CHOOSER_ACTION_SAVE);
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)),
chooser_entry->completion_store);
}
/* Callback when the current folder finishes loading */
static void
finished_loading_cb (GtkFileSystemModel *model,
GError *error,
GtkFileChooserEntry *chooser_entry)
{
GtkEntryCompletion *completion;
chooser_entry->current_folder_loaded = TRUE;
if (error)
{
discard_completion_store (chooser_entry);
set_complete_on_load (chooser_entry, FALSE);
return;
}
if (chooser_entry->complete_on_load)
explicitly_complete (chooser_entry);
gtk_widget_set_tooltip_text (GTK_WIDGET (chooser_entry), NULL);
completion = gtk_entry_get_completion (GTK_ENTRY (chooser_entry));
update_inline_completion (chooser_entry);
if (gtk_widget_has_focus (GTK_WIDGET (chooser_entry)))
{
gtk_entry_completion_complete (completion);
gtk_entry_completion_insert_prefix (completion);
}
}
static void
set_completion_folder (GtkFileChooserEntry *chooser_entry,
GFile *folder_file,
char *dir_part)
{
if (folder_file &&
chooser_entry->local_only
&& !_gtk_file_has_native_path (folder_file))
folder_file = NULL;
if (((chooser_entry->current_folder_file
&& folder_file
&& g_file_equal (folder_file, chooser_entry->current_folder_file))
|| chooser_entry->current_folder_file == folder_file)
&& g_strcmp0 (dir_part, chooser_entry->dir_part) == 0)
{
return;
}
if (chooser_entry->current_folder_file)
{
g_object_unref (chooser_entry->current_folder_file);
chooser_entry->current_folder_file = NULL;
}
g_free (chooser_entry->dir_part);
chooser_entry->dir_part = g_strdup (dir_part);
chooser_entry->current_folder_loaded = FALSE;
discard_completion_store (chooser_entry);
if (folder_file)
{
chooser_entry->current_folder_file = g_object_ref (folder_file);
populate_completion_store (chooser_entry);
}
}
static void
refresh_current_folder_and_file_part (GtkFileChooserEntry *chooser_entry)
{
GFile *folder_file;
char *text, *last_slash, *old_file_part;
char *dir_part;
old_file_part = chooser_entry->file_part;
text = gtk_file_chooser_entry_get_completion_text (chooser_entry);
last_slash = strrchr (text, G_DIR_SEPARATOR);
if (last_slash)
{
dir_part = g_strndup (text, last_slash - text + 1);
chooser_entry->file_part = g_strdup (last_slash + 1);
}
else
{
dir_part = g_strdup ("");
chooser_entry->file_part = g_strdup (text);
}
folder_file = gtk_file_chooser_get_directory_for_text (chooser_entry, text);
set_completion_folder (chooser_entry, folder_file, dir_part);
if (folder_file)
g_object_unref (folder_file);
g_free (dir_part);
if (chooser_entry->completion_store &&
(g_strcmp0 (old_file_part, chooser_entry->file_part) != 0))
{
GtkFileFilter *filter;
char *pattern;
filter = gtk_file_filter_new ();
pattern = g_strconcat (chooser_entry->file_part, "*", NULL);
gtk_file_filter_add_pattern (filter, pattern);
g_object_ref_sink (filter);
_gtk_file_system_model_set_filter (GTK_FILE_SYSTEM_MODEL (chooser_entry->completion_store),
filter);
g_free (pattern);
g_object_unref (filter);
}
g_free (text);
g_free (old_file_part);
}
#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_get_text_length (GTK_ENTRY (chooser_entry)) >= 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_get_text_length (GTK_ENTRY (chooser_entry)) >= 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_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)
{
g_return_if_fail (GTK_IS_FILE_CHOOSER_ENTRY (chooser_entry));
g_return_if_fail (file == NULL || G_IS_FILE (file));
if (chooser_entry->base_folder == file ||
(file != NULL && chooser_entry->base_folder != NULL
&& g_file_equal (chooser_entry->base_folder, file)))
return;
if (file)
g_object_ref (file);
if (chooser_entry->base_folder)
g_object_unref (chooser_entry->base_folder);
chooser_entry->base_folder = file;
refresh_current_folder_and_file_part (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 - you must g_object_unref()
* the value after use.
**/
GFile *
_gtk_file_chooser_entry_get_current_folder (GtkFileChooserEntry *chooser_entry)
{
g_return_val_if_fail (GTK_IS_FILE_CHOOSER_ENTRY (chooser_entry), NULL);
return gtk_file_chooser_get_directory_for_text (chooser_entry,
gtk_entry_get_text (GTK_ENTRY (chooser_entry)));
}
/**
* _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)
{
const char *last_slash, *text;
g_return_val_if_fail (GTK_IS_FILE_CHOOSER_ENTRY (chooser_entry), NULL);
text = gtk_entry_get_text (GTK_ENTRY (chooser_entry));
last_slash = strrchr (text, G_DIR_SEPARATOR);
if (last_slash)
return last_slash + 1;
else if (is_directory_shortcut (text))
return "";
else
return text;
}
/**
* _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;
}
if (chooser_entry->completion_store)
_gtk_file_system_model_set_show_files (GTK_FILE_SYSTEM_MODEL (chooser_entry->completion_store),
action == GTK_FILE_CHOOSER_ACTION_OPEN ||
action == GTK_FILE_CHOOSER_ACTION_SAVE);
update_inline_completion (chooser_entry);
}
}
/**
* _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)
{
GtkTreeIter iter;
GFileInfo *info;
if (chooser_entry->completion_store == NULL ||
!_gtk_file_system_model_get_iter_for_file (GTK_FILE_SYSTEM_MODEL (chooser_entry->completion_store),
&iter,
file))
return FALSE;
info = _gtk_file_system_model_get_info (GTK_FILE_SYSTEM_MODEL (chooser_entry->completion_store),
&iter);
return _gtk_file_info_consider_as_directory (info);
}
/*
* _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;
refresh_current_folder_and_file_part (chooser_entry);
}
gboolean
_gtk_file_chooser_entry_get_local_only (GtkFileChooserEntry *chooser_entry)
{
return chooser_entry->local_only;
}
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