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gimp/libgimpwidgets/gimppatheditor.c

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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimppatheditor.c
* Copyright (C) 1999 Michael Natterer <mitschel@cs.tu-berlin.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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 Library 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 "gimppatheditor.h"
#include "libgimp/gimpfileselection.h"
#include "libgimp/gimpintl.h"
#include <string.h>
#include "pixmaps/new.xpm"
#include "pixmaps/delete.xpm"
#include "pixmaps/raise.xpm"
#include "pixmaps/lower.xpm"
/* callbacks
*/
static void gimp_path_editor_realize (GtkWidget *widget, gpointer data);
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);
static void gimp_path_editor_data_destroy_callback (gpointer *data);
/*
static void gimp_path_editor_check_path (GimpPathEditor *gpe,
GtkWidget *list_item);
*/
enum {
GPE_PATH_CHANGED_SIGNAL,
LAST_SIGNAL
};
static gint 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[GPE_PATH_CHANGED_SIGNAL] =
gtk_signal_new ("path_changed",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (GimpPathEditorClass,
gimp_path_editor),
gtk_signal_default_marshaller, GTK_TYPE_NONE, 0);
gtk_object_class_add_signals (object_class, gimp_path_editor_signals,
LAST_SIGNAL);
class->gimp_path_editor = NULL;
}
static void
gimp_path_editor_init (GimpPathEditor *gpe)
{
GtkWidget *button_box;
GtkWidget *scrolled_window;
GtkObject *hadjustment;
GtkObject *vadjustment;
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 = gtk_button_new ();
gtk_box_pack_start (GTK_BOX (button_box), gpe->new_button, TRUE, TRUE, 0);
gtk_signal_connect (GTK_OBJECT(gpe->new_button), "clicked",
GTK_SIGNAL_FUNC(gimp_path_editor_new_callback), gpe);
gpe->up_button = gtk_button_new ();
gtk_widget_set_sensitive (gpe->up_button, FALSE);
gtk_box_pack_start (GTK_BOX (button_box), gpe->up_button, TRUE, TRUE, 0);
gtk_signal_connect (GTK_OBJECT(gpe->up_button), "clicked",
GTK_SIGNAL_FUNC(gimp_path_editor_move_callback), gpe);
gpe->down_button = gtk_button_new ();
gtk_widget_set_sensitive (gpe->down_button, FALSE);
gtk_box_pack_start (GTK_BOX (button_box), gpe->down_button, TRUE, TRUE, 0);
gtk_signal_connect (GTK_OBJECT(gpe->down_button), "clicked",
GTK_SIGNAL_FUNC(gimp_path_editor_move_callback), gpe);
gpe->delete_button = gtk_button_new ();
gtk_widget_set_sensitive (gpe->delete_button, FALSE);
gtk_box_pack_start (GTK_BOX (button_box), gpe->delete_button, TRUE, TRUE, 0);
gtk_signal_connect (GTK_OBJECT(gpe->delete_button), "clicked",
GTK_SIGNAL_FUNC(gimp_path_editor_delete_callback), gpe);
hadjustment = gtk_adjustment_new (0.0, 0.0, 1.0, 0.1, 0.2, 1.0);
vadjustment = gtk_adjustment_new (0.0, 0.0, 1.0, 0.1, 0.2, 1.0);
scrolled_window =
gtk_scrolled_window_new (GTK_ADJUSTMENT (hadjustment),
GTK_ADJUSTMENT (vadjustment));
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);
/* this callback does the rest (pixmap creation etc.)
*/
gtk_signal_connect (GTK_OBJECT(gpe), "realize",
GTK_SIGNAL_FUNC(gimp_path_editor_realize), gpe);
}
guint
gimp_path_editor_get_type ()
{
static guint 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;
}
GtkWidget*
gimp_path_editor_new (gchar *filesel_title,
gchar *path)
{
GimpPathEditor *gpe;
GtkWidget *list_item;
GList *directory_list;
gchar *directory;
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",
(GtkSignalFunc) gimp_path_editor_filesel_callback, gpe);
gtk_widget_show (gpe->file_selection);
directory_list = NULL;
directory = path = 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)gimp_path_editor_data_destroy_callback);
directory_list = g_list_append (directory_list, list_item);
gtk_signal_connect (GTK_OBJECT (list_item), "select",
(GtkSignalFunc)gimp_path_editor_select_callback,
gpe);
gtk_signal_connect (GTK_OBJECT (list_item), "deselect",
(GtkSignalFunc)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 (path);
if (directory_list)
gtk_list_append_items (GTK_LIST (gpe->dir_list), directory_list);
return GTK_WIDGET (gpe);
}
static void
gimp_path_editor_realize (GtkWidget *widget,
gpointer data)
{
GimpPathEditor *gpe;
GtkStyle *style;
GtkWidget *parent;
GdkPixmap *pixmap;
GdkBitmap *mask;
GtkWidget *gtk_pixmap;
/* GList *list = NULL; */
gpe = GIMP_PATH_EDITOR (data);
parent = GTK_WIDGET (gpe)->parent;
if (! GTK_WIDGET_REALIZED (parent))
return;
style = gtk_widget_get_style (parent);
pixmap = gdk_pixmap_create_from_xpm_d (parent->window,
&mask,
&style->bg[GTK_STATE_NORMAL],
new_xpm);
gtk_pixmap = gtk_pixmap_new (pixmap, mask);
gtk_container_add (GTK_CONTAINER (gpe->new_button), gtk_pixmap);
gtk_widget_show (gtk_pixmap);
gtk_widget_show (gpe->new_button);
pixmap = gdk_pixmap_create_from_xpm_d (parent->window,
&mask,
&style->bg[GTK_STATE_NORMAL],
raise_xpm);
gtk_pixmap = gtk_pixmap_new (pixmap, mask);
gtk_container_add (GTK_CONTAINER (gpe->up_button), gtk_pixmap);
gtk_widget_show (gtk_pixmap);
gtk_widget_show (gpe->up_button);
pixmap = gdk_pixmap_create_from_xpm_d (parent->window,
&mask,
&style->bg[GTK_STATE_NORMAL],
lower_xpm);
gtk_pixmap = gtk_pixmap_new (pixmap, mask);
gtk_container_add (GTK_CONTAINER (gpe->down_button), gtk_pixmap);
gtk_widget_show (gtk_pixmap);
gtk_widget_show (gpe->down_button);
pixmap = gdk_pixmap_create_from_xpm_d (parent->window,
&mask,
&style->bg[GTK_STATE_NORMAL],
delete_xpm);
gtk_pixmap = gtk_pixmap_new (pixmap, mask);
gtk_container_add (GTK_CONTAINER (gpe->delete_button), gtk_pixmap);
gtk_widget_show (gtk_pixmap);
gtk_widget_show (gpe->delete_button);
/*
for (list = GTK_LIST (gpe->dir_list)->children; list; list = list->next)
{
gimp_path_editor_check_path (gpe, GTK_WIDGET (list->data));
}
*/
}
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_editable_select_region (GTK_EDITABLE (gpe->entry), 0, -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[GPE_PATH_CHANGED_SIGNAL]);
}
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 (GIMP_FILE_SELECTION (gpe->file_selection)->entry, FALSE);
gtk_widget_set_sensitive (GIMP_FILE_SELECTION (gpe->file_selection)->browse_button, 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[GPE_PATH_CHANGED_SIGNAL]);
}
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)gimp_path_editor_data_destroy_callback);
append_list = g_list_append (append_list, list_item);
gtk_signal_connect (GTK_OBJECT (list_item), "select",
(GtkSignalFunc)gimp_path_editor_select_callback,
gpe);
gtk_signal_connect (GTK_OBJECT (list_item), "deselect",
(GtkSignalFunc)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)gimp_path_editor_data_destroy_callback);
}
/* gimp_path_editor_check_path (gpe, gpe->selected_item); */
gtk_signal_emit (GTK_OBJECT (gpe),
gimp_path_editor_signals[GPE_PATH_CHANGED_SIGNAL]);
}
static void
gimp_path_editor_data_destroy_callback (gpointer *data)
{
g_free (data);
}
/*
static void gimp_path_editor_check_path (GimpPathEditor *gpe,
GtkWidget *list_item)
{
g_print ("check path\n");
}
*/
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