+++ /dev/null
-/* EggFileFormatChooser
- * Copyright (C) 2007 Mathias Hasselmann
- *
- * 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 "eggfileformatchooser.h"
-#include "egg-macros.h"
-
-#include <glib/gi18n.h>
-#include <gtk/gtk.h>
-#include <string.h>
-#include <ctype.h>
-
-typedef struct _EggFileFormatFilterInfo EggFileFormatFilterInfo;
-typedef struct _EggFileFormatSearch EggFileFormatSearch;
-
-enum
-{
- MODEL_COLUMN_ID,
- MODEL_COLUMN_NAME,
- MODEL_COLUMN_ICON,
- MODEL_COLUMN_EXTENSIONS,
- MODEL_COLUMN_FILTER,
- MODEL_COLUMN_DATA,
- MODEL_COLUMN_DESTROY
-};
-
-enum
-{
- SIGNAL_SELECTION_CHANGED,
- SIGNAL_LAST
-};
-
-struct _EggFileFormatChooserPrivate
-{
- GtkTreeStore *model;
- GtkTreeSelection *selection;
- guint idle_hack;
- guint last_id;
-
- GtkFileChooser *chooser;
- GtkFileFilter *all_files;
- GtkFileFilter *supported_files;
-};
-
-struct _EggFileFormatFilterInfo
-{
- GHashTable *extension_set;
- GSList *extension_list;
- gboolean show_extensions;
- gchar *name;
-};
-
-struct _EggFileFormatSearch
-{
- gboolean success;
- GtkTreeIter iter;
-
- guint format;
- const gchar *extension;
-};
-
-static guint signals[SIGNAL_LAST];
-
-G_DEFINE_TYPE (EggFileFormatChooser,
- egg_file_format_chooser,
- GTK_TYPE_EXPANDER);
-EGG_DEFINE_QUARK (EggFileFormatFilterInfo,
- egg_file_format_filter_info);
-
-static EggFileFormatFilterInfo*
-egg_file_format_filter_info_new (const gchar *name,
- gboolean show_extensions)
-{
- EggFileFormatFilterInfo *self;
-
- self = g_new0 (EggFileFormatFilterInfo, 1);
- self->extension_set = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
- self->show_extensions = show_extensions;
- self->name = g_strdup (name);
-
- return self;
-}
-
-static void
-egg_file_format_filter_info_free (gpointer boxed)
-{
- EggFileFormatFilterInfo *self;
-
- if (boxed)
- {
- self = boxed;
-
- g_hash_table_unref (self->extension_set);
- g_slist_foreach (self->extension_list, (GFunc) g_free, NULL);
- g_slist_free (self->extension_list);
- g_free (self->name);
- g_free (self);
- }
-}
-
-static gboolean
-egg_file_format_filter_find (gpointer key,
- gpointer value G_GNUC_UNUSED,
- gpointer data)
-{
- const GtkFileFilterInfo *info = data;
- const gchar *pattern = key;
-
- return g_str_has_suffix (info->filename, pattern + 1);
-}
-
-static gboolean
-egg_file_format_filter_filter (const GtkFileFilterInfo *info,
- gpointer data)
-{
- EggFileFormatFilterInfo *self = data;
-
- return NULL != g_hash_table_find (self->extension_set,
- egg_file_format_filter_find,
- (gpointer) info);
-}
-
-static GtkFileFilter*
-egg_file_format_filter_new (const gchar *name,
- gboolean show_extensions)
-{
- GtkFileFilter *filter;
- EggFileFormatFilterInfo *info;
-
- filter = gtk_file_filter_new ();
- gtk_file_filter_set_name (filter, name);
-
- info = egg_file_format_filter_info_new (name, show_extensions);
-
- gtk_file_filter_add_custom (filter, GTK_FILE_FILTER_FILENAME,
- egg_file_format_filter_filter,
- info, NULL);
- g_object_set_qdata_full (G_OBJECT (filter),
- egg_file_format_filter_info_quark (),
- info, egg_file_format_filter_info_free);
-
- return filter;
-}
-
-static void
-egg_file_format_filter_add_extensions (GtkFileFilter *filter,
- const gchar *extensions)
-{
- EggFileFormatFilterInfo *info;
- GString *filter_name;
- const gchar *extptr;
- gchar *pattern;
- gsize length;
-
- g_assert (NULL != extensions);
-
- info = g_object_get_qdata (G_OBJECT (filter),
- egg_file_format_filter_info_quark ());
-
- info->extension_list = g_slist_prepend (info->extension_list,
- g_strdup (extensions));
-
- if (info->show_extensions)
- {
- filter_name = g_string_new (info->name);
- g_string_append (filter_name, " (");
- }
- else
- filter_name = NULL;
-
- extptr = extensions;
- while (*extptr)
- {
- length = strcspn (extptr, ",");
- pattern = g_new (gchar, length + 3);
-
- memcpy (pattern, "*.", 2);
- memcpy (pattern + 2, extptr, length);
- pattern[length + 2] = '\0';
-
- if (filter_name)
- {
- if (extptr != extensions)
- g_string_append (filter_name, ", ");
-
- g_string_append (filter_name, pattern);
- }
-
- extptr += length;
-
- if (*extptr)
- extptr += 2;
-
- g_hash_table_replace (info->extension_set, pattern, pattern);
- }
-
- if (filter_name)
- {
- g_string_append (filter_name, ")");
- gtk_file_filter_set_name (filter, filter_name->str);
- g_string_free (filter_name, TRUE);
- }
-}
-
-static void
-selection_changed_cb (GtkTreeSelection *selection,
- EggFileFormatChooser *self)
-{
- gchar *label;
- gchar *name;
-
- GtkFileFilter *filter;
- GtkTreeModel *model;
- GtkTreeIter parent;
- GtkTreeIter iter;
-
- if (gtk_tree_selection_get_selected (selection, &model, &iter))
- {
- gtk_tree_model_get (model, &iter, MODEL_COLUMN_NAME, &name, -1);
-
- label = g_strdup_printf (_("File _Format: %s"), name);
- gtk_expander_set_use_underline (GTK_EXPANDER (self), TRUE);
- gtk_expander_set_label (GTK_EXPANDER (self), label);
-
- g_free (name);
- g_free (label);
-
- if (self->priv->chooser)
- {
- while (gtk_tree_model_iter_parent (model, &parent, &iter))
- iter = parent;
-
- gtk_tree_model_get (model, &iter, MODEL_COLUMN_FILTER, &filter, -1);
- gtk_file_chooser_set_filter (self->priv->chooser, filter);
- g_object_unref (filter);
- }
-
- g_signal_emit (self, signals[SIGNAL_SELECTION_CHANGED], 0);
- }
-}
-
-/* XXX This hack is needed, as gtk_expander_set_label seems
- * not to work from egg_file_format_chooser_init */
-static gboolean
-select_default_file_format (gpointer data)
-{
- EggFileFormatChooser *self = EGG_FILE_FORMAT_CHOOSER (data);
- egg_file_format_chooser_set_format (self, 0);
- self->priv->idle_hack = 0;
- return FALSE;
-}
-
-static gboolean
-find_by_format (GtkTreeModel *model,
- GtkTreePath *path G_GNUC_UNUSED,
- GtkTreeIter *iter,
- gpointer data)
-{
- EggFileFormatSearch *search = data;
- guint id;
-
- gtk_tree_model_get (model, iter, MODEL_COLUMN_ID, &id, -1);
-
- if (id == search->format)
- {
- search->success = TRUE;
- search->iter = *iter;
- }
-
- return search->success;
-}
-
-static gboolean
-find_in_list (gchar *list,
- const gchar *needle)
-{
- gchar *saveptr;
- gchar *token;
-
- for (token = strtok_r (list, ",", &saveptr); NULL != token;
- token = strtok_r (NULL, ",", &saveptr))
- {
- token = g_strstrip (token);
-
- if (g_str_equal (needle, token))
- return TRUE;
- }
-
- return FALSE;
-}
-
-static gboolean
-accept_filename (gchar *extensions,
- const gchar *filename)
-{
- const gchar *extptr;
- gchar *saveptr;
- gchar *token;
- gsize length;
-
- length = strlen (filename);
-
- for (token = strtok_r (extensions, ",", &saveptr); NULL != token;
- token = strtok_r (NULL, ",", &saveptr))
- {
- token = g_strstrip (token);
- extptr = filename + length - strlen (token) - 1;
-
- if (extptr > filename && '.' == *extptr &&
- !strcmp (extptr + 1, token))
- return TRUE;
- }
-
- return FALSE;
-}
-
-static gboolean
-find_by_extension (GtkTreeModel *model,
- GtkTreePath *path G_GNUC_UNUSED,
- GtkTreeIter *iter,
- gpointer data)
-{
- EggFileFormatSearch *search = data;
-
- gchar *extensions = NULL;
- guint format = 0;
-
- gtk_tree_model_get (model, iter,
- MODEL_COLUMN_EXTENSIONS, &extensions,
- MODEL_COLUMN_ID, &format,
- -1);
-
- if (extensions && find_in_list (extensions, search->extension))
- {
- search->format = format;
- search->success = TRUE;
- search->iter = *iter;
- }
-
- g_free (extensions);
- return search->success;
-}
-
-static void
-egg_file_format_chooser_init (EggFileFormatChooser *self)
-{
- GtkWidget *scroller;
- GtkWidget *view;
-
- GtkTreeViewColumn *column;
- GtkCellRenderer *cell;
- GtkTreeIter iter;
-
- self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EGG_TYPE_FILE_FORMAT_CHOOSER,
- EggFileFormatChooserPrivate);
-
-/* file filters */
-
- self->priv->all_files = g_object_ref_sink (gtk_file_filter_new ());
- gtk_file_filter_set_name (self->priv->all_files, _("All Files"));
- self->priv->supported_files = egg_file_format_filter_new (_("All Supported Files"), FALSE);
-
-/* tree model */
-
- self->priv->model = gtk_tree_store_new (7, G_TYPE_UINT, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
- GTK_TYPE_FILE_FILTER, G_TYPE_POINTER, G_TYPE_POINTER);
-
- gtk_tree_store_append (self->priv->model, &iter, NULL);
- gtk_tree_store_set (self->priv->model, &iter,
- MODEL_COLUMN_NAME, _("By Extension"),
- MODEL_COLUMN_FILTER, self->priv->supported_files,
- MODEL_COLUMN_ID, 0,
- -1);
-
-/* tree view */
-
- view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (self->priv->model));
- self->priv->selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
- gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (view), TRUE);
-
-/* file format column */
-
- column = gtk_tree_view_column_new ();
- gtk_tree_view_column_set_expand (column, TRUE);
- gtk_tree_view_column_set_title (column, _("File Format"));
- gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
-
- cell = gtk_cell_renderer_pixbuf_new ();
- gtk_tree_view_column_pack_start (column, cell, FALSE);
- gtk_tree_view_column_set_attributes (column, cell,
- "icon-name", MODEL_COLUMN_ICON,
- NULL);
-
- cell = gtk_cell_renderer_text_new ();
- gtk_tree_view_column_pack_start (column, cell, TRUE);
- gtk_tree_view_column_set_attributes (column, cell,
- "text", MODEL_COLUMN_NAME,
- NULL);
-
-/* extensions column */
-
- column = gtk_tree_view_column_new_with_attributes (
- _("Extension(s)"), gtk_cell_renderer_text_new (),
- "text", MODEL_COLUMN_EXTENSIONS, NULL);
- gtk_tree_view_column_set_expand (column, FALSE);
- gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
-
-/* selection */
-
- gtk_tree_selection_set_mode (self->priv->selection, GTK_SELECTION_BROWSE);
- g_signal_connect (self->priv->selection, "changed",
- G_CALLBACK (selection_changed_cb), self);
- self->priv->idle_hack = g_idle_add (select_default_file_format, self);
-
-/* scroller */
-
- scroller = gtk_scrolled_window_new (NULL, NULL);
- gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroller),
- GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
- gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scroller),
- GTK_SHADOW_IN);
- gtk_widget_set_size_request (scroller, -1, 150);
- gtk_container_add (GTK_CONTAINER (scroller), view);
- gtk_widget_show_all (scroller);
-
- gtk_container_add (GTK_CONTAINER (self), scroller);
-}
-
-static void
-reset_model (EggFileFormatChooser *self)
-{
- GtkTreeModel *model = GTK_TREE_MODEL (self->priv->model);
- GtkTreeIter iter;
-
- if (gtk_tree_model_get_iter_first (model, &iter))
- {
- do
- {
- GDestroyNotify destroy = NULL;
- gpointer data = NULL;
-
- gtk_tree_model_get (model, &iter,
- MODEL_COLUMN_DESTROY, &destroy,
- MODEL_COLUMN_DATA, &data,
- -1);
-
- if (destroy)
- destroy (data);
- }
- while (gtk_tree_model_iter_next (model, &iter));
- }
-
- gtk_tree_store_clear (self->priv->model);
-}
-
-static void
-egg_file_format_chooser_dispose (GObject *obj)
-{
- EggFileFormatChooser *self = EGG_FILE_FORMAT_CHOOSER (obj);
-
- if (NULL != self)
- {
- if (self->priv->idle_hack)
- {
- g_source_remove (self->priv->idle_hack);
- self->priv->idle_hack = 0;
- }
- }
-
- G_OBJECT_CLASS (egg_file_format_chooser_parent_class)->dispose (obj);
-}
-
-static void
-egg_file_format_chooser_finalize (GObject *obj)
-{
- EggFileFormatChooser *self = EGG_FILE_FORMAT_CHOOSER (obj);
-
- if (NULL != self)
- {
- if (self->priv->model)
- {
- reset_model (self);
-
- g_object_unref (self->priv->model);
- self->priv->model = NULL;
-
- g_object_unref (self->priv->all_files);
- self->priv->all_files = NULL;
- }
- }
-
- G_OBJECT_CLASS (egg_file_format_chooser_parent_class)->finalize (obj);
-}
-
-static void
-filter_changed_cb (GObject *object,
- GParamSpec *spec,
- gpointer data)
-{
- EggFileFormatChooser *self;
-
- GtkFileFilter *current_filter;
- GtkFileFilter *format_filter;
-
- GtkTreeModel *model;
- GtkTreeIter iter;
- GtkTreeIter parent;
-
- self = EGG_FILE_FORMAT_CHOOSER (data);
-
- format_filter = NULL;
- current_filter = gtk_file_chooser_get_filter (GTK_FILE_CHOOSER (object));
- model = GTK_TREE_MODEL (self->priv->model);
-
- if (gtk_tree_selection_get_selected (self->priv->selection, &model, &iter))
- {
- while (gtk_tree_model_iter_parent (model, &parent, &iter))
- iter = parent;
-
- gtk_tree_model_get (model, &iter,
- MODEL_COLUMN_FILTER,
- &format_filter, -1);
- g_object_unref (format_filter);
- }
-
- if (current_filter && current_filter != format_filter &&
- gtk_tree_model_get_iter_first (model, &iter))
- {
- if (current_filter == self->priv->all_files)
- format_filter = current_filter;
- else
- {
- format_filter = NULL;
-
- do
- {
- gtk_tree_model_get (model, &iter,
- MODEL_COLUMN_FILTER,
- &format_filter, -1);
- g_object_unref (format_filter);
-
- if (format_filter == current_filter)
- break;
- }
- while (gtk_tree_model_iter_next (model, &iter));
- }
-
- if (format_filter)
- gtk_tree_selection_select_iter (self->priv->selection, &iter);
- }
-}
-
-/* Shows an error dialog set as transient for the specified window */
-static void
-error_message_with_parent (GtkWindow *parent,
- const char *msg,
- const char *detail)
-{
- gboolean first_call = TRUE;
- GtkWidget *dialog;
-
- if (first_call)
- {
- g_warning ("%s: Merge with the code in Gtk{File,Recent}ChooserDefault.", G_STRLOC);
- first_call = FALSE;
- }
-
- dialog = gtk_message_dialog_new (parent,
- GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
- GTK_MESSAGE_ERROR,
- GTK_BUTTONS_OK,
- "%s",
- msg);
- gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
- "%s", detail);
-
- if (parent->group)
- gtk_window_group_add_window (parent->group, GTK_WINDOW (dialog));
-
- gtk_dialog_run (GTK_DIALOG (dialog));
- gtk_widget_destroy (dialog);
-}
-
-/* Returns a toplevel GtkWindow, or NULL if none */
-static GtkWindow *
-get_toplevel (GtkWidget *widget)
-{
- GtkWidget *toplevel;
-
- toplevel = gtk_widget_get_toplevel (widget);
- if (!GTK_WIDGET_TOPLEVEL (toplevel))
- return NULL;
- else
- return GTK_WINDOW (toplevel);
-}
-
-/* Shows an error dialog for the file chooser */
-static void
-error_message (EggFileFormatChooser *impl,
- const char *msg,
- const char *detail)
-{
- error_message_with_parent (get_toplevel (GTK_WIDGET (impl)), msg, detail);
-}
-
-static void
-chooser_response_cb (GtkDialog *dialog,
- gint response_id,
- gpointer data)
-{
- EggFileFormatChooser *self;
- gchar *filename, *basename;
- gchar *message;
- guint format;
-
- self = EGG_FILE_FORMAT_CHOOSER (data);
-
- if (EGG_IS_POSITIVE_RESPONSE (response_id))
- {
- filename = gtk_file_chooser_get_filename (self->priv->chooser);
- basename = g_filename_display_basename (filename);
- g_free (filename);
-
- format = egg_file_format_chooser_get_format (self, basename);
- g_print ("%s: %s - %d\n", G_STRFUNC, basename, format);
-
- if (0 == format)
- {
-
- message = g_strdup_printf (
- _("The program was not able to find out the file format "
- "you want to use for `%s'. Please make sure to use a "
- "known extension for that file or manually choose a "
- "file format from the list below."),
- basename);
-
- error_message (self,
- _("File format not recognized"),
- message);
-
- g_free (message);
-
- g_signal_stop_emission_by_name (dialog, "response");
- }
- else
- {
- filename = egg_file_format_chooser_append_extension (self, basename, format);
-
- if (strcmp (filename, basename))
- {
- gtk_file_chooser_set_current_name (self->priv->chooser, filename);
- g_signal_stop_emission_by_name (dialog, "response");
- }
-
- g_free (filename);
- }
-
- g_free (basename);
- }
-
-}
-
-static void
-egg_file_format_chooser_realize (GtkWidget *widget)
-{
- EggFileFormatChooser *self;
- GtkWidget *parent;
-
- GtkFileFilter *filter;
- GtkTreeModel *model;
- GtkTreeIter iter;
-
- GTK_WIDGET_CLASS (egg_file_format_chooser_parent_class)->realize (widget);
-
- self = EGG_FILE_FORMAT_CHOOSER (widget);
-
- g_return_if_fail (NULL == self->priv->chooser);
-
- parent = gtk_widget_get_toplevel (widget);
-
- if (!GTK_IS_FILE_CHOOSER (parent))
- parent = gtk_widget_get_parent (widget);
-
- while (parent && !GTK_IS_FILE_CHOOSER (parent))
- parent = gtk_widget_get_parent (parent);
-
- self->priv->chooser = GTK_FILE_CHOOSER (parent);
-
- g_return_if_fail (GTK_IS_FILE_CHOOSER (self->priv->chooser));
- g_return_if_fail (gtk_file_chooser_get_action (self->priv->chooser) ==
- GTK_FILE_CHOOSER_ACTION_SAVE);
-
- g_object_ref (self->priv->chooser);
-
- g_signal_connect (self->priv->chooser, "notify::filter",
- G_CALLBACK (filter_changed_cb), self);
- gtk_file_chooser_add_filter (self->priv->chooser, self->priv->all_files);
-
- model = GTK_TREE_MODEL (self->priv->model);
-
- if (gtk_tree_model_get_iter_first (model, &iter))
- {
- do
- {
- gtk_tree_model_get (model, &iter, MODEL_COLUMN_FILTER, &filter, -1);
- gtk_file_chooser_add_filter (self->priv->chooser, filter);
- g_object_unref (filter);
- }
- while (gtk_tree_model_iter_next (model, &iter));
- }
-
- gtk_file_chooser_set_filter (self->priv->chooser,
- self->priv->supported_files);
-
- if (GTK_IS_DIALOG (self->priv->chooser))
- g_signal_connect (self->priv->chooser, "response",
- G_CALLBACK (chooser_response_cb), self);
-}
-
-static void
-egg_file_format_chooser_unrealize (GtkWidget *widget)
-{
- EggFileFormatChooser *self;
-
- GtkFileFilter *filter;
- GtkTreeModel *model;
- GtkTreeIter iter;
-
- GTK_WIDGET_CLASS (egg_file_format_chooser_parent_class)->unrealize (widget);
-
- self = EGG_FILE_FORMAT_CHOOSER (widget);
- model = GTK_TREE_MODEL (self->priv->model);
-
- g_signal_handlers_disconnect_by_func (self->priv->chooser,
- filter_changed_cb, self);
- g_signal_handlers_disconnect_by_func (self->priv->chooser,
- chooser_response_cb, self);
-
- if (gtk_tree_model_get_iter_first (model, &iter))
- {
- do
- {
- gtk_tree_model_get (model, &iter, MODEL_COLUMN_FILTER, &filter, -1);
- gtk_file_chooser_remove_filter (self->priv->chooser, filter);
- g_object_unref (filter);
- }
- while (gtk_tree_model_iter_next (model, &iter));
- }
-
- gtk_file_chooser_remove_filter (self->priv->chooser, self->priv->all_files);
- g_object_unref (self->priv->chooser);
-}
-
-static void
-egg_file_format_chooser_class_init (EggFileFormatChooserClass *cls)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (cls);
- GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (cls);
-
- g_type_class_add_private (cls, sizeof (EggFileFormatChooserPrivate));
-
- object_class->dispose = egg_file_format_chooser_dispose;
- object_class->finalize = egg_file_format_chooser_finalize;
-
- widget_class->realize = egg_file_format_chooser_realize;
- widget_class->unrealize = egg_file_format_chooser_unrealize;
-
- signals[SIGNAL_SELECTION_CHANGED] = g_signal_new (
- "selection-changed", EGG_TYPE_FILE_FORMAT_CHOOSER, G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (EggFileFormatChooserClass, selection_changed),
- NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
-}
-
-GtkWidget*
-egg_file_format_chooser_new (void)
-{
- return g_object_new (EGG_TYPE_FILE_FORMAT_CHOOSER, NULL);
-}
-
-static guint
-egg_file_format_chooser_add_format_impl (EggFileFormatChooser *self,
- guint parent,
- const gchar *name,
- const gchar *icon,
- const gchar *extensions)
-{
- EggFileFormatSearch search;
- GtkFileFilter *filter;
- GtkTreeIter iter;
-
- search.success = FALSE;
- search.format = parent;
- filter = NULL;
-
- if (parent > 0)
- {
- gtk_tree_model_foreach (GTK_TREE_MODEL (self->priv->model),
- find_by_format, &search);
- g_return_val_if_fail (search.success, -1);
- }
- else
- filter = egg_file_format_filter_new (name, TRUE);
-
- gtk_tree_store_append (self->priv->model, &iter,
- parent > 0 ? &search.iter : NULL);
-
- gtk_tree_store_set (self->priv->model, &iter,
- MODEL_COLUMN_ID, ++self->priv->last_id,
- MODEL_COLUMN_EXTENSIONS, extensions,
- MODEL_COLUMN_FILTER, filter,
- MODEL_COLUMN_NAME, name,
- MODEL_COLUMN_ICON, icon,
- -1);
-
- if (extensions)
- {
- if (parent > 0)
- gtk_tree_model_get (GTK_TREE_MODEL (self->priv->model), &search.iter,
- MODEL_COLUMN_FILTER, &filter, -1);
-
- egg_file_format_filter_add_extensions (self->priv->supported_files, extensions);
- egg_file_format_filter_add_extensions (filter, extensions);
-
- if (parent > 0)
- g_object_unref (filter);
- }
-
- return self->priv->last_id;
-}
-
-guint
-egg_file_format_chooser_add_format (EggFileFormatChooser *self,
- guint parent,
- const gchar *name,
- const gchar *icon,
- ...)
-{
- GString *buffer = NULL;
- const gchar* extptr;
- va_list extensions;
- guint id;
-
- g_return_val_if_fail (EGG_IS_FILE_FORMAT_CHOOSER (self), 0);
- g_return_val_if_fail (NULL != name, 0);
-
- va_start (extensions, icon);
-
- while (NULL != (extptr = va_arg (extensions, const gchar*)))
- {
- if (NULL == buffer)
- buffer = g_string_new (NULL);
- else
- g_string_append (buffer, ", ");
-
- g_string_append (buffer, extptr);
- }
-
- va_end (extensions);
-
- id = egg_file_format_chooser_add_format_impl (self, parent, name, icon,
- buffer ? buffer->str : NULL);
-
- if (buffer)
- g_string_free (buffer, TRUE);
-
- return id;
-}
-
-static gchar*
-get_icon_name (const gchar *mime_type)
-{
- static gboolean first_call = TRUE;
- gchar *name = NULL;
- gchar *s;
-
- if (first_call)
- {
- g_warning ("%s: Replace by g_content_type_get_icon "
- "when GVFS is merged into GLib.", G_STRLOC);
- first_call = FALSE;
- }
-
- if (mime_type)
- {
- name = g_strconcat ("gnome-mime-", mime_type, NULL);
-
- for(s = name; *s; ++s)
- {
- if (!isalpha (*s) || !isascii (*s))
- *s = '-';
- }
- }
-
- if (!name ||
- !gtk_icon_theme_has_icon (gtk_icon_theme_get_default (), name))
- {
- g_free (name);
- name = g_strdup ("gnome-mime-image");
- }
-
- return name;
-}
-
-void
-egg_file_format_chooser_add_pixbuf_formats (EggFileFormatChooser *self,
- guint parent G_GNUC_UNUSED,
- guint **formats)
-{
- GSList *pixbuf_formats = NULL;
- GSList *iter;
- gint i;
-
- g_return_if_fail (EGG_IS_FILE_FORMAT_CHOOSER (self));
-
- pixbuf_formats = gdk_pixbuf_get_formats ();
-
- if (formats)
- *formats = g_new0 (guint, g_slist_length (pixbuf_formats) + 1);
-
- for(iter = pixbuf_formats, i = 0; iter; iter = iter->next, ++i)
- {
- GdkPixbufFormat *format = iter->data;
-
- gchar *description, *name, *extensions, *icon;
- gchar **mime_types, **extension_list;
- guint id;
-
- if (gdk_pixbuf_format_is_disabled (format) ||
- !gdk_pixbuf_format_is_writable (format))
- continue;
-
- mime_types = gdk_pixbuf_format_get_mime_types (format);
- icon = get_icon_name (mime_types[0]);
- g_strfreev (mime_types);
-
- extension_list = gdk_pixbuf_format_get_extensions (format);
- extensions = g_strjoinv (", ", extension_list);
- g_strfreev (extension_list);
-
- description = gdk_pixbuf_format_get_description (format);
- name = gdk_pixbuf_format_get_name (format);
-
- id = egg_file_format_chooser_add_format_impl (self, parent, description,
- icon, extensions);
-
- g_free (description);
- g_free (extensions);
- g_free (icon);
-
- egg_file_format_chooser_set_format_data (self, id, name, g_free);
-
- if (formats)
- *formats[i] = id;
- }
-
- g_slist_free (pixbuf_formats);
-}
-
-void
-egg_file_format_chooser_remove_format (EggFileFormatChooser *self,
- guint format)
-{
- GDestroyNotify destroy = NULL;
- gpointer data = NULL;
-
- EggFileFormatSearch search;
- GtkFileFilter *filter;
- GtkTreeModel *model;
-
- g_return_if_fail (EGG_IS_FILE_FORMAT_CHOOSER (self));
-
- search.success = FALSE;
- search.format = format;
-
- model = GTK_TREE_MODEL (self->priv->model);
- gtk_tree_model_foreach (model, find_by_format, &search);
-
- g_return_if_fail (search.success);
-
- gtk_tree_model_get (model, &search.iter,
- MODEL_COLUMN_FILTER, &filter,
- MODEL_COLUMN_DESTROY, &destroy,
- MODEL_COLUMN_DATA, &data,
- -1);
-
- if (destroy)
- destroy (data);
-
- if (filter)
- {
- if (self->priv->chooser)
- gtk_file_chooser_remove_filter (self->priv->chooser, filter);
-
- g_object_unref (filter);
- }
- else
- g_warning ("TODO: Remove extensions from parent filter");
-
- gtk_tree_store_remove (self->priv->model, &search.iter);
-}
-
-void
-egg_file_format_chooser_set_format (EggFileFormatChooser *self,
- guint format)
-{
- EggFileFormatSearch search;
-
- GtkTreeModel *model;
- GtkTreePath *path;
- GtkTreeView *view;
-
- g_return_if_fail (EGG_IS_FILE_FORMAT_CHOOSER (self));
-
- search.success = FALSE;
- search.format = format;
-
- model = GTK_TREE_MODEL (self->priv->model);
- gtk_tree_model_foreach (model, find_by_format, &search);
-
- g_return_if_fail (search.success);
-
- path = gtk_tree_model_get_path (model, &search.iter);
- view = gtk_tree_selection_get_tree_view (self->priv->selection);
-
- gtk_tree_view_expand_to_path (view, path);
- gtk_tree_selection_unselect_all (self->priv->selection);
- gtk_tree_selection_select_path (self->priv->selection, path);
-
- gtk_tree_path_free (path);
-
- if (self->priv->idle_hack > 0)
- {
- g_source_remove (self->priv->idle_hack);
- self->priv->idle_hack = 0;
- }
-}
-
-guint
-egg_file_format_chooser_get_format (EggFileFormatChooser *self,
- const gchar *filename)
-{
- GtkTreeModel *model;
- GtkTreeIter iter;
- guint format = 0;
-
- g_return_val_if_fail (EGG_IS_FILE_FORMAT_CHOOSER (self), -1);
-
- if (gtk_tree_selection_get_selected (self->priv->selection, &model, &iter))
- gtk_tree_model_get (model, &iter, MODEL_COLUMN_ID, &format, -1);
-
- if (0 == format && NULL != filename)
- {
- EggFileFormatSearch search;
-
- search.extension = strrchr(filename, '.');
- search.success = FALSE;
-
- if (search.extension++)
- gtk_tree_model_foreach (model, find_by_extension, &search);
- if (search.success)
- format = search.format;
- }
-
- return format;
-}
-
-void
-egg_file_format_chooser_set_format_data (EggFileFormatChooser *self,
- guint format,
- gpointer data,
- GDestroyNotify destroy)
-{
- EggFileFormatSearch search;
-
- g_return_if_fail (EGG_IS_FILE_FORMAT_CHOOSER (self));
-
- search.success = FALSE;
- search.format = format;
-
- gtk_tree_model_foreach (GTK_TREE_MODEL (self->priv->model),
- find_by_format, &search);
-
- g_return_if_fail (search.success);
-
- gtk_tree_store_set (self->priv->model, &search.iter,
- MODEL_COLUMN_DESTROY, destroy,
- MODEL_COLUMN_DATA, data,
- -1);
-}
-
-gpointer
-egg_file_format_chooser_get_format_data (EggFileFormatChooser *self,
- guint format)
-{
- EggFileFormatSearch search;
- gpointer data = NULL;
- GtkTreeModel *model;
-
- g_return_val_if_fail (EGG_IS_FILE_FORMAT_CHOOSER (self), NULL);
-
- search.success = FALSE;
- search.format = format;
-
- model = GTK_TREE_MODEL (self->priv->model);
- gtk_tree_model_foreach (model, find_by_format, &search);
-
- g_return_val_if_fail (search.success, NULL);
-
- gtk_tree_model_get (model, &search.iter,
- MODEL_COLUMN_DATA, &data,
- -1);
- return data;
-}
-
-gchar*
-egg_file_format_chooser_append_extension (EggFileFormatChooser *self,
- const gchar *filename,
- guint format)
-{
- EggFileFormatSearch search;
- GtkTreeModel *model;
- GtkTreeIter child;
-
- gchar *extensions;
- gchar *result;
-
- g_return_val_if_fail (EGG_IS_FILE_FORMAT_CHOOSER (self), NULL);
- g_return_val_if_fail (NULL != filename, NULL);
-
- if (0 == format)
- format = egg_file_format_chooser_get_format (self, NULL);
-
- if (0 == format)
- {
- g_warning ("%s: No file format selected. Cannot append extension.", __FUNCTION__);
- return NULL;
- }
-
- search.success = FALSE;
- search.format = format;
-
- model = GTK_TREE_MODEL (self->priv->model);
- gtk_tree_model_foreach (model, find_by_format, &search);
-
- g_return_val_if_fail (search.success, NULL);
-
- gtk_tree_model_get (model, &search.iter,
- MODEL_COLUMN_EXTENSIONS, &extensions,
- -1);
-
- if (NULL == extensions &&
- gtk_tree_model_iter_nth_child (model, &child, &search.iter, 0))
- {
- gtk_tree_model_get (model, &child,
- MODEL_COLUMN_EXTENSIONS, &extensions,
- -1);
- }
-
- if (NULL == extensions)
- {
- g_warning ("%s: File format %d doesn't provide file extensions. "
- "Cannot append extension.", __FUNCTION__, format);
- return NULL;
- }
-
- if (accept_filename (extensions, filename))
- result = g_strdup (filename);
- else
- result = g_strconcat (filename, ".", extensions, NULL);
-
- g_assert (NULL == strchr(extensions, ','));
- g_free (extensions);
- return result;
-}
-
-/* vim: set sw=2 sta et: */
https://www.fi.muni.cz/~kas/git / evince.git / commitdiff