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- /* LIBGIMP - The GIMP Library
- * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
- *
- * gimppatheditor.c
- * Copyright (C) 1999 Michael Natterer <mitch@gimp.org>
- *
- * 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
- * Library 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 <string.h>
-
- #include <gtk/gtk.h>
-
- #include "gimppatheditor.h"
-
- #include "libgimp/gimpfileselection.h"
- #include "libgimp/gimpwidgets.h"
-
- #include "pixmaps/new.xpm"
- #include "pixmaps/delete.xpm"
- #include "pixmaps/raise.xpm"
- #include "pixmaps/lower.xpm"
-
-
- /* forward declaration */
- static void gimp_path_editor_select_callback (GtkWidget *widget,
- gpointer data);
- static void gimp_path_editor_deselect_callback (GtkWidget *widget,
- gpointer data);
- static void gimp_path_editor_new_callback (GtkWidget *widget,
- gpointer data);
- static void gimp_path_editor_move_callback (GtkWidget *widget,
- gpointer data);
- static void gimp_path_editor_filesel_callback (GtkWidget *widget,
- gpointer data);
- static void gimp_path_editor_delete_callback (GtkWidget *widget,
- gpointer data);
-
- enum
- {
- PATH_CHANGED,
- LAST_SIGNAL
- };
-
- static guint gimp_path_editor_signals[LAST_SIGNAL] = { 0 };
-
- static GtkVBoxClass *parent_class = NULL;
-
- static void
- gimp_path_editor_class_init (GimpPathEditorClass *class)
- {
- GtkObjectClass *object_class;
-
- object_class = (GtkObjectClass *) class;
-
- parent_class = gtk_type_class (gtk_vbox_get_type ());
-
- gimp_path_editor_signals[PATH_CHANGED] =
- gtk_signal_new ("path_changed",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (GimpPathEditorClass,
- path_changed),
- gtk_signal_default_marshaller, GTK_TYPE_NONE, 0);
-
- gtk_object_class_add_signals (object_class, gimp_path_editor_signals,
- LAST_SIGNAL);
-
- class->path_changed = NULL;
- }
-
- static void
- gimp_path_editor_init (GimpPathEditor *gpe)
- {
- GtkWidget *button_box;
- GtkWidget *button;
- GtkWidget *scrolled_window;
-
- gpe->file_selection = NULL;
- gpe->selected_item = NULL;
- gpe->number_of_items = 0;
-
- gpe->upper_hbox = gtk_hbox_new (FALSE, 2);
- gtk_box_pack_start (GTK_BOX (gpe), gpe->upper_hbox, FALSE, TRUE, 0);
- gtk_widget_show (gpe->upper_hbox);
-
- button_box = gtk_hbox_new (TRUE, 0);
- gtk_box_pack_start (GTK_BOX (gpe->upper_hbox), button_box, FALSE, TRUE, 0);
- gtk_widget_show (button_box);
-
- gpe->new_button = button = gimp_pixmap_button_new (new_xpm, NULL);
- gtk_box_pack_start (GTK_BOX (button_box), button, TRUE, TRUE, 0);
- gtk_signal_connect (GTK_OBJECT (button), "clicked",
- GTK_SIGNAL_FUNC (gimp_path_editor_new_callback),
- gpe);
- gtk_widget_show (button);
-
- gpe->up_button = button = gimp_pixmap_button_new (raise_xpm, NULL);
- gtk_widget_set_sensitive (button, FALSE);
- gtk_box_pack_start (GTK_BOX (button_box), button, TRUE, TRUE, 0);
- gtk_signal_connect (GTK_OBJECT (button), "clicked",
- GTK_SIGNAL_FUNC (gimp_path_editor_move_callback),
- gpe);
- gtk_widget_show (button);
-
- gpe->down_button = button = gimp_pixmap_button_new (lower_xpm, NULL);
- gtk_widget_set_sensitive (button, FALSE);
- gtk_box_pack_start (GTK_BOX (button_box), button, TRUE, TRUE, 0);
- gtk_signal_connect (GTK_OBJECT (button), "clicked",
- GTK_SIGNAL_FUNC (gimp_path_editor_move_callback),
- gpe);
- gtk_widget_show (button);
-
- gpe->delete_button = button = gimp_pixmap_button_new (delete_xpm, NULL);
- gtk_widget_set_sensitive (button, FALSE);
- gtk_box_pack_start (GTK_BOX (button_box), button, TRUE, TRUE, 0);
- gtk_signal_connect (GTK_OBJECT (button), "clicked",
- GTK_SIGNAL_FUNC (gimp_path_editor_delete_callback),
- gpe);
- gtk_widget_show (button);
-
- scrolled_window = gtk_scrolled_window_new (NULL, NULL);
- gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_window),
- GTK_POLICY_AUTOMATIC,
- GTK_POLICY_ALWAYS);
- gtk_box_pack_start (GTK_BOX (gpe), scrolled_window, TRUE, TRUE, 2);
- gtk_widget_show (scrolled_window);
-
- gpe->dir_list = gtk_list_new ();
- gtk_list_set_selection_mode (GTK_LIST (gpe->dir_list), GTK_SELECTION_SINGLE);
- gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled_window),
- gpe->dir_list);
- gtk_widget_show (gpe->dir_list);
- }
-
- GtkType
- gimp_path_editor_get_type (void)
- {
- static GtkType gpe_type = 0;
-
- if (!gpe_type)
- {
- GtkTypeInfo gpe_info =
- {
- "GimpPathEditor",
- sizeof (GimpPathEditor),
- sizeof (GimpPathEditorClass),
- (GtkClassInitFunc) gimp_path_editor_class_init,
- (GtkObjectInitFunc) gimp_path_editor_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL
- };
-
- gpe_type = gtk_type_unique (gtk_vbox_get_type (), &gpe_info);
- }
-
- return gpe_type;
- }
-
- /**
- * gimp_path_editor_new:
- * @filesel_title: The title of the #GtkFileSelection dialog which can be
- * popped up by the attached #GimpFileSelection.
- * @path: The initial search path.
- *
- * Creates a new #GimpPathEditor widget.
- *
- * The elements of the initial search path must be separated with the
- * #G_SEARCHPATH_SEPARATOR character.
- *
- * Returns: A pointer to the new #GimpPathEditor widget.
- **/
- GtkWidget *
- gimp_path_editor_new (const gchar *filesel_title,
- const gchar *path)
- {
- GimpPathEditor *gpe;
- GtkWidget *list_item;
- GList *directory_list;
- gchar *directory;
- gchar *mypath;
-
- g_return_val_if_fail ((filesel_title != NULL), NULL);
- g_return_val_if_fail ((path != NULL), NULL);
-
- gpe = gtk_type_new (gimp_path_editor_get_type ());
-
- gpe->file_selection = gimp_file_selection_new (filesel_title, "", TRUE, TRUE);
- gtk_widget_set_sensitive (gpe->file_selection, FALSE);
- gtk_box_pack_start (GTK_BOX (gpe->upper_hbox), gpe->file_selection,
- TRUE, TRUE, 0);
- gtk_signal_connect (GTK_OBJECT (gpe->file_selection), "filename_changed",
- GTK_SIGNAL_FUNC (gimp_path_editor_filesel_callback),
- gpe);
- gtk_widget_show (gpe->file_selection);
-
- directory_list = NULL;
- directory = mypath = g_strdup (path);
-
- /* split up the path */
- while (strlen (directory))
- {
- gchar *current_dir;
- gchar *next_separator;
-
- next_separator = strchr (directory, G_SEARCHPATH_SEPARATOR);
- if (next_separator != NULL)
- *next_separator = '\0';
-
- current_dir = g_strdup (directory);
-
- list_item = gtk_list_item_new_with_label (current_dir);
- gtk_object_set_data_full (GTK_OBJECT (list_item), "gimp_path_editor",
- current_dir,
- (GtkDestroyNotify) g_free);
- directory_list = g_list_append (directory_list, list_item);
- gtk_signal_connect (GTK_OBJECT (list_item), "select",
- GTK_SIGNAL_FUNC (gimp_path_editor_select_callback),
- gpe);
- gtk_signal_connect (GTK_OBJECT (list_item), "deselect",
- GTK_SIGNAL_FUNC (gimp_path_editor_deselect_callback),
- gpe);
- gtk_widget_show (list_item);
- gpe->number_of_items++;
-
- if (next_separator != NULL)
- directory = next_separator + 1;
- else
- break;
- }
-
- g_free (mypath);
-
- if (directory_list)
- gtk_list_append_items (GTK_LIST (gpe->dir_list), directory_list);
-
- return GTK_WIDGET (gpe);
- }
-
- /**
- * gimp_path_editor_get_path:
- * @gpe: The path editor you want to get the search path from.
- *
- * The elements of the returned search path string are separated with the
- * #G_SEARCHPATH_SEPARATOR character.
- *
- * Note that you have to g_free() the returned string.
- *
- * Returns: The search path the user has selected in the path editor.
- **/
- gchar *
- gimp_path_editor_get_path (GimpPathEditor *gpe)
- {
- GList *list;
- gchar *path = NULL;
-
- g_return_val_if_fail (gpe != NULL, g_strdup (""));
- g_return_val_if_fail (GIMP_IS_PATH_EDITOR (gpe), g_strdup (""));
-
- for (list = GTK_LIST (gpe->dir_list)->children; list; list = list->next)
- {
- if (path == NULL)
- {
- path =
- g_strdup ((gchar *) gtk_object_get_data (GTK_OBJECT (list->data),
- "gimp_path_editor"));
- }
- else
- {
- gchar *newpath;
-
- newpath =
- g_strconcat (path,
- G_SEARCHPATH_SEPARATOR_S,
- (gchar *) gtk_object_get_data (GTK_OBJECT (list->data),
- "gimp_path_editor"),
- NULL);
-
- g_free (path);
- path = newpath;
- }
- }
-
- return path;
- }
-
- static void
- gimp_path_editor_select_callback (GtkWidget *widget,
- gpointer data)
- {
- GimpPathEditor *gpe;
- gint pos;
- gchar *directory;
-
- gpe = GIMP_PATH_EDITOR (data);
- directory = (gchar *) gtk_object_get_data (GTK_OBJECT (widget),
- "gimp_path_editor");
-
- gtk_signal_handler_block_by_data (GTK_OBJECT (gpe->file_selection), gpe);
- gimp_file_selection_set_filename (GIMP_FILE_SELECTION (gpe->file_selection),
- directory);
- gtk_signal_handler_unblock_by_data (GTK_OBJECT (gpe->file_selection), gpe);
- gpe->selected_item = widget;
-
- pos = gtk_list_child_position (GTK_LIST (gpe->dir_list), gpe->selected_item);
-
- gtk_widget_set_sensitive (gpe->delete_button, TRUE);
- gtk_widget_set_sensitive (gpe->up_button, (pos > 0));
- gtk_widget_set_sensitive (gpe->down_button,
- (pos < (gpe->number_of_items - 1)));
- gtk_widget_set_sensitive (gpe->file_selection, TRUE);
- }
-
- /* the selected directory may never be deselected except by the 'new'
- * button, so catch the "deselect" signal and reselect it
- */
- static void
- gimp_path_editor_deselect_callback (GtkWidget *widget,
- gpointer data)
- {
- GimpPathEditor *gpe;
-
- gpe = GIMP_PATH_EDITOR (data);
-
- if (widget != gpe->selected_item)
- return;
-
- gtk_signal_handler_block_by_data (GTK_OBJECT (gpe->selected_item), gpe);
- gtk_list_select_child (GTK_LIST (gpe->dir_list), gpe->selected_item);
- gtk_signal_handler_unblock_by_data (GTK_OBJECT (gpe->selected_item), gpe);
- }
-
- static void
- gimp_path_editor_new_callback (GtkWidget *widget,
- gpointer data)
- {
- GimpPathEditor *gpe;
-
- gpe = GIMP_PATH_EDITOR (data);
-
- if (gpe->selected_item)
- {
- gtk_signal_handler_block_by_data (GTK_OBJECT (gpe->selected_item), gpe);
- gtk_list_unselect_child (GTK_LIST (gpe->dir_list), gpe->selected_item);
- gtk_signal_handler_unblock_by_data (GTK_OBJECT (gpe->selected_item), gpe);
- }
- gpe->selected_item = NULL;
-
- gtk_widget_set_sensitive (gpe->delete_button, FALSE);
- gtk_widget_set_sensitive (gpe->up_button, FALSE);
- gtk_widget_set_sensitive (gpe->down_button, FALSE);
- gtk_widget_set_sensitive (gpe->file_selection, TRUE);
-
- gtk_editable_set_position
- (GTK_EDITABLE (GIMP_FILE_SELECTION (gpe->file_selection)->entry), -1);
- gtk_widget_grab_focus
- (GTK_WIDGET (GIMP_FILE_SELECTION (gpe->file_selection)->entry));
- }
-
- static void
- gimp_path_editor_move_callback (GtkWidget *widget,
- gpointer data)
- {
- GimpPathEditor *gpe = GIMP_PATH_EDITOR (data);
- GList *move_list = NULL;
- gint pos;
- gint distance;
-
- if (gpe->selected_item == NULL)
- return;
-
- pos = gtk_list_child_position (GTK_LIST (gpe->dir_list), gpe->selected_item);
- distance = (widget == gpe->up_button) ? - 1 : 1;
- move_list = g_list_append (move_list, gpe->selected_item);
-
- gtk_signal_handler_block_by_data (GTK_OBJECT (gpe->selected_item), gpe);
- gtk_list_remove_items_no_unref (GTK_LIST (gpe->dir_list), move_list);
- gtk_signal_handler_unblock_by_data (GTK_OBJECT (gpe->selected_item), gpe);
- gtk_list_insert_items (GTK_LIST (gpe->dir_list), move_list, pos + distance);
- gtk_list_select_item (GTK_LIST (gpe->dir_list), pos + distance);
-
- gtk_signal_emit (GTK_OBJECT (gpe), gimp_path_editor_signals[PATH_CHANGED]);
- }
-
- static void
- gimp_path_editor_delete_callback (GtkWidget *widget,
- gpointer data)
- {
- GimpPathEditor *gpe = GIMP_PATH_EDITOR (data);
- GList *delete_list = NULL;
- gint pos;
-
- if (gpe->selected_item == NULL)
- return;
-
- pos = gtk_list_child_position (GTK_LIST (gpe->dir_list), gpe->selected_item);
- delete_list = g_list_append (delete_list, gpe->selected_item);
-
- gtk_list_remove_items (GTK_LIST (gpe->dir_list), delete_list);
- gpe->number_of_items--;
-
- if (gpe->number_of_items == 0)
- {
- gpe->selected_item = NULL;
- gtk_signal_handler_block_by_data (GTK_OBJECT (gpe->file_selection), gpe);
- gimp_file_selection_set_filename (GIMP_FILE_SELECTION (gpe->file_selection), "");
- gtk_signal_handler_unblock_by_data (GTK_OBJECT (gpe->file_selection), gpe);
- gtk_widget_set_sensitive (gpe->delete_button, FALSE);
- gtk_widget_set_sensitive (gpe->file_selection, FALSE);
-
- return;
- }
-
- if ((pos == gpe->number_of_items) && (pos > 0))
- pos--;
- gtk_list_select_item (GTK_LIST (gpe->dir_list), pos);
-
- gtk_signal_emit (GTK_OBJECT (gpe), gimp_path_editor_signals[PATH_CHANGED]);
- }
-
- static void
- gimp_path_editor_filesel_callback (GtkWidget *widget,
- gpointer data)
- {
- GimpPathEditor *gpe = GIMP_PATH_EDITOR (data);
- GList *append_list = NULL;
- GtkWidget *list_item = NULL;
- gchar *directory;
-
- directory = gimp_file_selection_get_filename (GIMP_FILE_SELECTION (widget));
- if (strcmp (directory, "") == 0)
- return;
-
- if (gpe->selected_item == NULL)
- {
- list_item = gtk_list_item_new_with_label (directory);
- gtk_object_set_data_full (GTK_OBJECT (list_item), "gimp_path_editor",
- directory,
- (GtkDestroyNotify) g_free);
- append_list = g_list_append (append_list, list_item);
- gtk_signal_connect (GTK_OBJECT (list_item), "select",
- GTK_SIGNAL_FUNC (gimp_path_editor_select_callback),
- gpe);
- gtk_signal_connect (GTK_OBJECT (list_item), "deselect",
- GTK_SIGNAL_FUNC (gimp_path_editor_deselect_callback),
- gpe);
- gtk_widget_show (list_item);
- gpe->number_of_items++;
- gtk_list_append_items (GTK_LIST (gpe->dir_list), append_list);
- gtk_list_select_item (GTK_LIST (gpe->dir_list), gpe->number_of_items - 1);
- }
- else
- {
- gtk_label_set_text (GTK_LABEL (GTK_BIN (gpe->selected_item)->child),
- directory);
- gtk_object_set_data_full (GTK_OBJECT (gpe->selected_item),
- "gimp_path_editor",
- directory,
- (GtkDestroyNotify) g_free);
- }
-
- gtk_signal_emit (GTK_OBJECT (gpe), gimp_path_editor_signals[PATH_CHANGED]);
- }
-