/* 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, see <http://www.gnu.org/licenses/>. */ #include "config.h" #include "gtkfilechooserentry.h" #include <string.h> #include "gtkcelllayout.h" #include "gtkcellrenderertext.h" #include "gtkentryprivate.h" #include "gtkfilechooserutils.h" #include "gtklabel.h" #include "gtkmain.h" #include "gtksizerequest.h" #include "gtkwindow.h" #include "gtkintl.h" #include "gtkmarshalers.h" #include "gtkfilefilterprivate.h" #include "gtkfilter.h" #include "gtkeventcontrollerfocus.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; char *dir_part; char *file_part; GtkTreeModel *completion_store; GtkFileFilter *current_filter; guint current_folder_loaded : 1; guint complete_on_load : 1; guint eat_tabs : 1; guint eat_escape : 1; }; enum { DISPLAY_NAME_COLUMN, FULL_PATH_COLUMN, N_COLUMNS }; enum { HIDE_ENTRY, LAST_SIGNAL }; static guint signals[LAST_SIGNAL] = { 0 }; static void gtk_file_chooser_entry_finalize (GObject *object); static void gtk_file_chooser_entry_dispose (GObject *object); static gboolean gtk_file_chooser_entry_grab_focus (GtkWidget *widget); static gboolean gtk_file_chooser_entry_tab_handler (GtkEventControllerKey *key, guint keyval, guint keycode, GdkModifierType state, GtkFileChooserEntry *chooser_entry); #ifdef G_OS_WIN32 static int insert_text_callback (GtkFileChooserEntry *widget, const char *new_text, int new_text_length, int *position, gpointer user_data); static void delete_text_callback (GtkFileChooserEntry *widget, int start_pos, int 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; signals[HIDE_ENTRY] = g_signal_new (I_("hide-entry"), G_OBJECT_CLASS_TYPE (gobject_class), G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, 0, NULL, NULL, NULL, G_TYPE_NONE, 0); } static gboolean match_func (GtkEntryCompletion *compl, const char *key, GtkTreeIter *iter, gpointer user_data) { GtkFileChooserEntry *chooser_entry = user_data; /* If we arrive here, the GtkFileSystemModel's GtkFileFilter already filtered out all * files that don't start with the current prefix, so we manually apply the GtkFileChooser's * current file filter (e.g. just jpg files) here. */ if (chooser_entry->current_filter != NULL) { GFile *file; GFileInfo *info; file = _gtk_file_system_model_get_file (GTK_FILE_SYSTEM_MODEL (chooser_entry->completion_store), iter); info = _gtk_file_system_model_get_info (GTK_FILE_SYSTEM_MODEL (chooser_entry->completion_store), iter); /* We always allow navigating into subfolders, so don't ever filter directories */ if (g_file_info_get_file_type (info) != G_FILE_TYPE_REGULAR) return TRUE; if (!g_file_info_has_attribute (info, "standard::file")) g_file_info_set_attribute_object (info, "standard::file", G_OBJECT (file)); return gtk_filter_match (GTK_FILTER (chooser_entry->current_filter), info); } return TRUE; } static void chooser_entry_focus_out (GtkEventController *controller, GtkFileChooserEntry *chooser_entry) { set_complete_on_load (chooser_entry, FALSE); } static void _gtk_file_chooser_entry_init (GtkFileChooserEntry *chooser_entry) { GtkEventController *controller; GtkEntryCompletion *comp; GtkCellRenderer *cell; 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, match_func, 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 controller * runs before the one installed by entrycompletion */ controller = gtk_event_controller_key_new (); g_signal_connect (controller, "key-pressed", G_CALLBACK (gtk_file_chooser_entry_tab_handler), chooser_entry); gtk_widget_add_controller (GTK_WIDGET (chooser_entry), controller); controller = gtk_event_controller_focus_new (); g_signal_connect (controller, "leave", G_CALLBACK (chooser_entry_focus_out), chooser_entry); gtk_widget_add_controller (GTK_WIDGET (chooser_entry), controller); #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; int 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 char *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_entry_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 gboolean gtk_file_chooser_entry_grab_focus (GtkWidget *widget) { if (!GTK_WIDGET_CLASS (_gtk_file_chooser_entry_parent_class)->grab_focus (widget)) return FALSE; _gtk_file_chooser_entry_select_filename (GTK_FILE_CHOOSER_ENTRY (widget)); return TRUE; } 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 (GtkEventControllerKey *key, guint keyval, guint keycode, GdkModifierType state, GtkFileChooserEntry *chooser_entry) { GtkEditable *editable = GTK_EDITABLE (chooser_entry); int start, end; if (keyval == GDK_KEY_Escape && chooser_entry->eat_escape) { g_signal_emit (chooser_entry, signals[HIDE_ENTRY], 0); return GDK_EVENT_STOP; } if (!chooser_entry->eat_tabs) return GDK_EVENT_PROPAGATE; if (keyval != GDK_KEY_Tab) return GDK_EVENT_PROPAGATE; if ((state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK) return GDK_EVENT_PROPAGATE; /* 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 GDK_EVENT_STOP; } 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: default: 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; G_GNUC_FALLTHROUGH; 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," "standard::content-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 (((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_entry_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); _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 int insert_text_callback (GtkFileChooserEntry *chooser_entry, const char *new_text, int new_text_length, int *position, gpointer user_data) { const char *colon = memchr (new_text, ':', new_text_length); int 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_editable_get_text (GTK_EDITABLE (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, int start_pos, int 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_editable_get_text (GTK_EDITABLE (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. * @eat_escape: If %TRUE, capture Escape key presses and emit ::hide-entry * * 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. * * Returns: the newly created #GtkFileChooserEntry **/ GtkWidget * _gtk_file_chooser_entry_new (gboolean eat_tabs, gboolean eat_escape) { GtkFileChooserEntry *chooser_entry; chooser_entry = g_object_new (GTK_TYPE_FILE_CHOOSER_ENTRY, NULL); chooser_entry->eat_tabs = (eat_tabs != FALSE); chooser_entry->eat_escape = (eat_escape != 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. * * Returns: (nullable): the file for the current folder or %NULL if the * current folder can not be determined. Unref the file with * g_object_unref() 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_entry_get_directory_for_text (chooser_entry, gtk_editable_get_text (GTK_EDITABLE (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 * * Returns: the entered filename - this value is owned by the * chooser entry and must not be modified or freed. **/ const char * _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_editable_get_text (GTK_EDITABLE (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: default: gtk_entry_completion_set_popup_single_match (comp, FALSE); break; case GTK_FILE_CHOOSER_ACTION_SAVE: 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 char *str, *ext; glong len = -1; if (chooser_entry->action == GTK_FILE_CHOOSER_ACTION_SAVE) { str = gtk_editable_get_text (GTK_EDITABLE (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, (int) len); } void _gtk_file_chooser_entry_set_file_filter (GtkFileChooserEntry *chooser_entry, GtkFileFilter *filter) { chooser_entry->current_filter = filter; }