/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-storage-set-view.c
*
* Copyright (C) 2000 Helix Code, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Ettore Perazzoli
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gnome.h>
#include "e-util/e-util.h"
#include "e-storage-set-view.h"
#define PARENT_TYPE GTK_TYPE_CTREE
static GtkCTreeClass *parent_class = NULL;
struct _EStorageSetViewPrivate {
EStorageSet *storage_set;
/* These tables must always be kept in sync, and one cannot exist
without the other, as they share the dynamically allocated path. */
GHashTable *ctree_node_to_path;
GHashTable *path_to_ctree_node;
};
enum {
FOLDER_SELECTED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
/* GtkObject methods. */
static void
hash_foreach_free_path (gpointer key,
gpointer value,
gpointer data)
{
g_free (value);
}
static void
destroy (GtkObject *object)
{
EStorageSetView *storage_set_view;
EStorageSetViewPrivate *priv;
storage_set_view = E_STORAGE_SET_VIEW (object);
priv = storage_set_view->priv;
gtk_object_unref (GTK_OBJECT (priv->storage_set));
g_hash_table_foreach (priv->ctree_node_to_path, hash_foreach_free_path, NULL);
g_hash_table_destroy (priv->ctree_node_to_path);
g_hash_table_destroy (priv->path_to_ctree_node);
g_free (priv);
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
/* GtkCTree methods. */
static void
tree_select_row (GtkCTree *ctree,
GtkCTreeNode *row,
gint column)
{
EStorageSetView *storage_set_view;
const char *path;
(* GTK_CTREE_CLASS (parent_class)->tree_select_row) (ctree, row, column);
/* CTree is utterly stupid and grabs the pointer here. */
gdk_pointer_ungrab (GDK_CURRENT_TIME);
gdk_flush ();
storage_set_view = E_STORAGE_SET_VIEW (ctree);
path = g_hash_table_lookup (storage_set_view->priv->ctree_node_to_path, row);
g_return_if_fail (path != NULL);
gtk_signal_emit (GTK_OBJECT (storage_set_view), signals[FOLDER_SELECTED], path);
}
static void
class_init (EStorageSetViewClass *klass)
{
GtkObjectClass *object_class;
GtkCTreeClass *ctree_class;
parent_class = gtk_type_class (gtk_ctree_get_type ());
object_class = GTK_OBJECT_CLASS (klass);
object_class->destroy = destroy;
ctree_class = GTK_CTREE_CLASS (klass);
ctree_class->tree_select_row = tree_select_row;
signals[FOLDER_SELECTED]
= gtk_signal_new ("folder_selected",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (EStorageSetViewClass, folder_selected),
gtk_marshal_NONE__STRING,
GTK_TYPE_NONE, 1,
GTK_TYPE_STRING);
gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
}
static void
init (EStorageSetView *storage_set_view)
{
EStorageSetViewPrivate *priv;
/* Avoid GtkCTree's broken focusing behavior. FIXME: Other ways? */
GTK_WIDGET_UNSET_FLAGS (storage_set_view, GTK_CAN_FOCUS);
priv = g_new (EStorageSetViewPrivate, 1);
priv->storage_set = NULL;
priv->ctree_node_to_path = g_hash_table_new (g_direct_hash, g_direct_equal);
priv->path_to_ctree_node = g_hash_table_new (g_str_hash, g_str_equal);
storage_set_view->priv = priv;
}
static void
get_pixmap_and_mask_for_folder (EStorageSetView *storage_set_view,
EFolder *folder,
GdkPixmap **pixmap_return,
GdkBitmap **mask_return)
{
EFolderTypeRepository *folder_type_repository;
EStorageSet *storage_set;
const char *type_name;
GdkPixbuf *icon_pixbuf;
GdkPixbuf *scaled_pixbuf;
GdkVisual *visual;
GdkGC *gc;
#define ICON_WIDTH 16
#define ICON_HEIGHT 16
storage_set = storage_set_view->priv->storage_set;
folder_type_repository = e_storage_set_get_folder_type_repository (storage_set);
type_name = e_folder_get_type_string (folder);
icon_pixbuf = e_folder_type_repository_get_icon_for_type (folder_type_repository,
type_name);
scaled_pixbuf = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (icon_pixbuf),
gdk_pixbuf_get_has_alpha (icon_pixbuf),
gdk_pixbuf_get_bits_per_sample (icon_pixbuf),
ICON_WIDTH, ICON_HEIGHT);
gdk_pixbuf_scale (icon_pixbuf, scaled_pixbuf,
0, 0, ICON_WIDTH, ICON_HEIGHT,
0.0, 0.0,
(double) ICON_WIDTH / gdk_pixbuf_get_width (icon_pixbuf),
(double) ICON_HEIGHT / gdk_pixbuf_get_height (icon_pixbuf),
GDK_INTERP_HYPER);
visual = gdk_rgb_get_visual ();
*pixmap_return = gdk_pixmap_new (NULL, ICON_WIDTH, ICON_HEIGHT, visual->depth);
gc = gdk_gc_new (*pixmap_return);
gdk_pixbuf_render_to_drawable (scaled_pixbuf, *pixmap_return, gc, 0, 0, 0, 0,
ICON_WIDTH, ICON_HEIGHT,
GDK_RGB_DITHER_NORMAL, 0, 0);
gdk_gc_unref (gc);
*mask_return = gdk_pixmap_new (NULL, ICON_WIDTH, ICON_HEIGHT, 1);
gdk_pixbuf_render_threshold_alpha (scaled_pixbuf, *mask_return, 0, 0, 0, 0,
ICON_WIDTH, ICON_HEIGHT, 0x7f);
gdk_pixbuf_unref (scaled_pixbuf);
#undef ICON_WIDTH
#undef ICON_HEIGHT
}
static int
folder_compare_cb (gconstpointer a, gconstpointer b)
{
EFolder *folder_a;
EFolder *folder_b;
const char *name_a;
const char *name_b;
folder_a = E_FOLDER (a);
folder_b = E_FOLDER (b);
name_a = e_folder_get_name (folder_a);
name_b = e_folder_get_name (folder_b);
return strcmp (name_a, name_b);
}
static void
insert_folders (EStorageSetView *storage_set_view,
GtkCTreeNode *parent,
EStorage *storage,
const char *path,
int level)
{
EStorageSetViewPrivate *priv;
GtkCTree *ctree;
GtkCTreeNode *node;
GList *folder_list;
GList *p;
const char *storage_name;
ctree = GTK_CTREE (storage_set_view);
priv = storage_set_view->priv;
storage_name = e_storage_get_name (storage);
folder_list = e_storage_list_folders (storage, path);
if (folder_list == NULL)
return;
folder_list = g_list_sort (folder_list, folder_compare_cb);
for (p = folder_list; p != NULL; p = p->next) {
EFolder *folder;
const char *folder_name;
char *text[2];
char *subpath;
char *full_path;
GdkPixmap *pixmap;
GdkBitmap *mask;
folder = E_FOLDER (p->data);
folder_name = e_folder_get_name (folder);
text[0] = (char *) folder_name; /* Yuck. */
text[1] = NULL;
get_pixmap_and_mask_for_folder (storage_set_view, folder, &pixmap, &mask);
node = gtk_ctree_insert_node (ctree, parent, NULL,
text, 3,
pixmap, mask, pixmap, mask,
FALSE, TRUE);
subpath = g_concat_dir_and_file (path, folder_name);
insert_folders (storage_set_view, node, storage, subpath, level + 1);
full_path = g_strconcat("/", storage_name, subpath, NULL);
g_hash_table_insert (priv->ctree_node_to_path, node, full_path);
g_hash_table_insert (priv->path_to_ctree_node, full_path, node);
g_free (subpath);
}
e_free_object_list (folder_list);
}
void
e_storage_set_view_construct (EStorageSetView *storage_set_view,
EStorageSet *storage_set)
{
EStorageSetViewPrivate *priv;
GtkCTreeNode *parent;
GtkCTree *ctree;
EStorage *storage;
GList *storage_list;
GList *p;
const char *name;
char *text[2];
char *path;
g_return_if_fail (storage_set_view != NULL);
g_return_if_fail (E_IS_STORAGE_SET_VIEW (storage_set_view));
g_return_if_fail (storage_set != NULL);
g_return_if_fail (E_IS_STORAGE_SET (storage_set));
ctree = GTK_CTREE (storage_set_view);
gtk_ctree_construct (ctree, 1, 0, NULL);
gtk_ctree_set_line_style (ctree, GTK_CTREE_LINES_DOTTED);
priv = storage_set_view->priv;
gtk_object_ref (GTK_OBJECT (storage_set));
priv->storage_set = storage_set;
storage_list = e_storage_set_get_storage_list (storage_set);
text[1] = NULL;
for (p = storage_list; p != NULL; p = p->next) {
storage = E_STORAGE (p->data);
name = e_storage_get_name (storage); /* Yuck. */
text[0] = (char *) name;
parent = gtk_ctree_insert_node (ctree, NULL, NULL,
text, 3,
NULL, NULL, NULL, NULL,
FALSE, TRUE);
path = g_strconcat ("/", name, NULL);
g_hash_table_insert (priv->ctree_node_to_path, parent, path);
g_hash_table_insert (priv->path_to_ctree_node, parent, path);
insert_folders (storage_set_view, parent, storage, "/", 1);
}
e_free_object_list (storage_list);
}
GtkWidget *
e_storage_set_view_new (EStorageSet *storage_set)
{
GtkWidget *new;
g_return_val_if_fail (storage_set != NULL, NULL);
g_return_val_if_fail (E_IS_STORAGE_SET (storage_set), NULL);
new = gtk_type_new (e_storage_set_view_get_type ());
e_storage_set_view_construct (E_STORAGE_SET_VIEW (new), storage_set);
return new;
}
void
e_storage_set_view_set_current_folder (EStorageSetView *storage_set_view,
const char *path)
{
EStorageSetViewPrivate *priv;
GtkCTreeNode *node;
g_return_if_fail (storage_set_view != NULL);
g_return_if_fail (E_IS_STORAGE_SET_VIEW (storage_set_view));
g_return_if_fail (path == NULL || g_path_is_absolute (path));
priv = storage_set_view->priv;
if (path == NULL) {
gtk_clist_unselect_all (GTK_CLIST (storage_set_view));
return;
}
node = g_hash_table_lookup (priv->path_to_ctree_node, path);
if (node == NULL) {
gtk_clist_unselect_all (GTK_CLIST (storage_set_view));
return;
}
gtk_ctree_select (GTK_CTREE (storage_set_view), node);
}
E_MAKE_TYPE (e_storage_set_view, "EStorageSetView", EStorageSetView, class_init, init, PARENT_TYPE)
