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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 <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 "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "gimpwidgetstypes.h"
#include "gimppatheditor.h"
#include "gimpfileselection.h"
#include "gimpwidgets.h"
enum
{
PATH_CHANGED,
LAST_SIGNAL
};
static void gimp_path_editor_class_init (GimpPathEditorClass *klass);
static void gimp_path_editor_init (GimpPathEditor *gpe);
static void gimp_path_editor_select_callback (GtkTreeSelection *sel,
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 gboolean build_path (GtkTreeModel *model,
GtkTreePath *tpath,
GtkTreeIter *iter,
gpointer data);
static guint gimp_path_editor_signals[LAST_SIGNAL] = { 0 };
static GtkVBoxClass *parent_class = NULL;
GType
gimp_path_editor_get_type (void)
{
static GType gpe_type = 0;
if (! gpe_type)
{
static const GTypeInfo gpe_info =
{
sizeof (GimpPathEditorClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_path_editor_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpPathEditor),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_path_editor_init,
};
gpe_type = g_type_register_static (GTK_TYPE_VBOX,
"GimpPathEditor",
&gpe_info, 0);
}
return gpe_type;
}
static void
gimp_path_editor_class_init (GimpPathEditorClass *klass)
{
parent_class = g_type_class_peek_parent (klass);
gimp_path_editor_signals[PATH_CHANGED] =
g_signal_new ("path_changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpPathEditorClass, path_changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
klass->path_changed = NULL;
}
static void
gimp_path_editor_init (GimpPathEditor *gpe)
{
GtkWidget *button_box;
GtkWidget *button;
GtkWidget *image;
GtkWidget *scrolled_window;
GtkWidget *tv;
gpe->file_selection = NULL;
gpe->sel_path = NULL;
gpe->num_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 = gtk_button_new ();
gtk_box_pack_start (GTK_BOX (button_box), button, TRUE, TRUE, 0);
gtk_widget_show (button);
image = gtk_image_new_from_stock (GTK_STOCK_NEW, GTK_ICON_SIZE_BUTTON);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (gimp_path_editor_new_callback),
gpe);
gpe->up_button = button = gtk_button_new ();
gtk_widget_set_sensitive (button, FALSE);
gtk_box_pack_start (GTK_BOX (button_box), button, TRUE, TRUE, 0);
gtk_widget_show (button);
image = gtk_image_new_from_stock (GTK_STOCK_GO_UP, GTK_ICON_SIZE_BUTTON);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (gimp_path_editor_move_callback),
gpe);
gpe->down_button = button = gtk_button_new ();
gtk_widget_set_sensitive (button, FALSE);
gtk_box_pack_start (GTK_BOX (button_box), button, TRUE, TRUE, 0);
gtk_widget_show (button);
image = gtk_image_new_from_stock (GTK_STOCK_GO_DOWN, GTK_ICON_SIZE_BUTTON);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (gimp_path_editor_move_callback),
gpe);
gpe->delete_button = button = gtk_button_new ();
gtk_widget_set_sensitive (button, FALSE);
gtk_box_pack_start (GTK_BOX (button_box), button, TRUE, TRUE, 0);
gtk_widget_show (button);
image = gtk_image_new_from_stock (GTK_STOCK_DELETE, GTK_ICON_SIZE_BUTTON);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (gimp_path_editor_delete_callback),
gpe);
scrolled_window = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window),
GTK_SHADOW_IN);
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_store_new (1, G_TYPE_STRING);
tv = gtk_tree_view_new_with_model (GTK_TREE_MODEL (gpe->dir_list));
g_object_unref (G_OBJECT (gpe->dir_list));
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tv),
-1, NULL,
gtk_cell_renderer_text_new (),
"text", 0,
NULL);
gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tv), FALSE);
gtk_container_add (GTK_CONTAINER (scrolled_window), tv);
gtk_widget_show (tv);
gpe->sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (tv));
g_signal_connect (G_OBJECT (gpe->sel), "changed",
G_CALLBACK (gimp_path_editor_select_callback),
gpe);
}
/**
* 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;
gchar *directory;
gchar *mypath;
GtkTreeIter iter;
g_return_val_if_fail ((filesel_title != NULL), NULL);
g_return_val_if_fail ((path != NULL), NULL);
gpe = g_object_new (GIMP_TYPE_PATH_EDITOR, NULL);
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);
g_signal_connect (G_OBJECT (gpe->file_selection), "filename_changed",
G_CALLBACK (gimp_path_editor_filesel_callback),
gpe);
gtk_widget_show (gpe->file_selection);
directory = mypath = g_strdup (path);
/* split up the path */
while (strlen (directory))
{
gchar *next_separator;
next_separator = strchr (directory, G_SEARCHPATH_SEPARATOR);
if (next_separator != NULL)
*next_separator = '\0';
gtk_list_store_append (gpe->dir_list, &iter);
gtk_list_store_set (gpe->dir_list, &iter, 0, directory, -1);
gpe->num_items++;
if (next_separator != NULL)
directory = next_separator + 1;
else
break;
}
g_free (mypath);
return GTK_WIDGET (gpe);
}
static gboolean
build_path (GtkTreeModel *model,
GtkTreePath *tpath,
GtkTreeIter *iter,
gpointer data)
{
gchar *buf;
GString *path = data;
gtk_tree_model_get (model, iter, 0, &buf, -1);
if (path->len > 0)
g_string_append_c (path, G_SEARCHPATH_SEPARATOR);
g_string_append (path, buf);
g_free (buf);
return FALSE;
}
/**
* 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)
{
GString *path;
g_return_val_if_fail (gpe != NULL, g_strdup (""));
g_return_val_if_fail (GIMP_IS_PATH_EDITOR (gpe), g_strdup (""));
path = g_string_new ("");
gtk_tree_model_foreach (GTK_TREE_MODEL (gpe->dir_list), build_path, path);
return g_string_free (path, FALSE);
}
static void
gimp_path_editor_select_callback (GtkTreeSelection *sel,
gpointer data)
{
GimpPathEditor *gpe = GIMP_PATH_EDITOR (data);
GtkTreeIter iter;
gchar *directory;
gint *indices;
if (gtk_tree_selection_get_selected (sel, NULL, &iter))
{
gtk_tree_model_get (GTK_TREE_MODEL (gpe->dir_list), &iter,
0, &directory,
-1);
g_signal_handlers_block_by_func (G_OBJECT (gpe->file_selection),
gimp_path_editor_filesel_callback,
gpe);
gimp_file_selection_set_filename
(GIMP_FILE_SELECTION (gpe->file_selection), directory);
g_signal_handlers_unblock_by_func (G_OBJECT (gpe->file_selection),
gimp_path_editor_filesel_callback,
gpe);
g_free (directory);
if (gpe->sel_path)
gtk_tree_path_free (gpe->sel_path);
gpe->sel_path = gtk_tree_model_get_path (GTK_TREE_MODEL (gpe->dir_list),
&iter);
indices = gtk_tree_path_get_indices (gpe->sel_path);
gtk_widget_set_sensitive (gpe->delete_button, TRUE);
gtk_widget_set_sensitive (gpe->up_button, (indices[0] > 0));
gtk_widget_set_sensitive (gpe->down_button,
(indices[0] < (gpe->num_items - 1)));
gtk_widget_set_sensitive (gpe->file_selection, TRUE);
}
else
{
g_signal_handlers_block_by_func (G_OBJECT (sel),
gimp_path_editor_select_callback,
gpe);
gtk_tree_selection_select_path (gpe->sel, gpe->sel_path);
g_signal_handlers_unblock_by_func (G_OBJECT (sel),
gimp_path_editor_select_callback,
gpe);
}
}
static void
gimp_path_editor_new_callback (GtkWidget *widget,
gpointer data)
{
GimpPathEditor *gpe;
gpe = GIMP_PATH_EDITOR (data);
if (gpe->sel_path)
{
g_signal_handlers_block_by_func (G_OBJECT (gpe->sel),
gimp_path_editor_select_callback, gpe);
gtk_tree_selection_unselect_path (gpe->sel, gpe->sel_path);
g_signal_handlers_unblock_by_func (G_OBJECT (gpe->sel),
gimp_path_editor_select_callback, gpe);
gtk_tree_path_free (gpe->sel_path);
gpe->sel_path = 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);
GtkTreePath *path;
GtkTreeModel *model;
GtkTreeIter iter1, iter2;
gchar *dir1, *dir2;
if (gpe->sel_path == NULL)
return;
path = gtk_tree_path_copy (gpe->sel_path);
if (widget == gpe->up_button)
gtk_tree_path_prev (path);
else
gtk_tree_path_next (path);
model = GTK_TREE_MODEL (gpe->dir_list);
gtk_tree_model_get_iter (model, &iter1, gpe->sel_path);
gtk_tree_model_get_iter (model, &iter2, path);
gtk_tree_model_get (model, &iter1, 0, &dir1, -1);
gtk_tree_model_get (model, &iter2, 0, &dir2, -1);
gtk_list_store_set (gpe->dir_list, &iter1, 0, dir2, -1);
gtk_list_store_set (gpe->dir_list, &iter2, 0, dir1, -1);
g_free (dir2);
g_free (dir1);
gtk_tree_selection_select_iter (gpe->sel, &iter2);
g_signal_emit (G_OBJECT (gpe), gimp_path_editor_signals[PATH_CHANGED], 0);
}
static void
gimp_path_editor_delete_callback (GtkWidget *widget,
gpointer data)
{
GimpPathEditor *gpe = GIMP_PATH_EDITOR (data);
gint *indices;
GtkTreeIter iter;
if (gpe->sel_path == NULL)
return;
gtk_tree_model_get_iter (GTK_TREE_MODEL (gpe->dir_list), &iter,
gpe->sel_path);
gtk_list_store_remove (gpe->dir_list, &iter);
gpe->num_items--;
if (gpe->num_items == 0)
{
gtk_tree_path_free (gpe->sel_path);
gpe->sel_path = NULL;
g_signal_handlers_block_by_func (G_OBJECT (gpe->file_selection),
gimp_path_editor_filesel_callback,
gpe);
gimp_file_selection_set_filename
(GIMP_FILE_SELECTION (gpe->file_selection), "");
g_signal_handlers_unblock_by_func (G_OBJECT (gpe->file_selection),
gimp_path_editor_filesel_callback,
gpe);
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, FALSE);
return;
}
indices = gtk_tree_path_get_indices (gpe->sel_path);
if ((indices[0] == gpe->num_items) && (indices[0] > 0))
gtk_tree_path_prev (gpe->sel_path);
gtk_tree_selection_select_path (gpe->sel, gpe->sel_path);
g_signal_emit (G_OBJECT (gpe), gimp_path_editor_signals[PATH_CHANGED], 0);
}
static void
gimp_path_editor_filesel_callback (GtkWidget *widget,
gpointer data)
{
GimpPathEditor *gpe = GIMP_PATH_EDITOR (data);
gchar *directory;
GtkTreeIter iter;
directory = gimp_file_selection_get_filename (GIMP_FILE_SELECTION (widget));
if (strcmp (directory, "") == 0)
{
g_free (directory);
return;
}
if (gpe->sel_path == NULL)
{
gtk_list_store_append (gpe->dir_list, &iter);
gtk_list_store_set (gpe->dir_list, &iter, 0, directory, -1);
gpe->num_items++;
gtk_tree_selection_select_iter (gpe->sel, &iter);
}
else
{
gtk_tree_model_get_iter (GTK_TREE_MODEL (gpe->dir_list), &iter,
gpe->sel_path);
gtk_list_store_set (gpe->dir_list, &iter, 0, directory, -1);
}
g_free (directory);
g_signal_emit (G_OBJECT (gpe), gimp_path_editor_signals[PATH_CHANGED], 0);
}
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