Desktop
/* $Id: dirtree.c,v 1.2 2011/07/30 13:46:29 khorben Exp $ */
/* Copyright (c) 2011 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Browser */
/* 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, version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>. */
#include <System.h>
#include <dirent.h>
#include <stdlib.h>
#include <string.h>
#include <libintl.h>
#include "Browser.h"
#define _(string) gettext(string)
#define N_(string) (string)
/* Dirtree */
/* private */
/* types */
typedef struct _Dirtree
{
GdkPixbuf * folder;
GtkTreeStore * store;
GtkWidget * view;
} Dirtree;
/* prototypes */
static GtkWidget * _dirtree_init(BrowserPlugin * plugin);
static void _dirtree_destroy(BrowserPlugin * plugin);
static void _dirtree_refresh(BrowserPlugin * plugin, char const * path);
/* callbacks */
static void _dirtree_on_selection_changed(gpointer data);
/* public */
/* variables */
BrowserPlugin plugin =
{
NULL,
N_("Directory tree"),
"stock_folder",
_dirtree_init,
_dirtree_destroy,
_dirtree_refresh,
NULL
};
/* private */
/* functions */
/* dirtree_init */
static GtkWidget * _dirtree_init(BrowserPlugin * plugin)
{
Dirtree * dirtree;
BrowserPluginHelper * helper = plugin->helper;
GtkIconTheme * icontheme;
GError * error = NULL;
GtkWidget * widget;
GtkCellRenderer * renderer;
GtkTreeViewColumn * column;
GtkTreeSelection * treesel;
GtkTreeIter iter;
gint size;
if((dirtree = object_new(sizeof(*dirtree))) == NULL)
return NULL;
plugin->priv = dirtree;
icontheme = gtk_icon_theme_get_default();
gtk_icon_size_lookup(GTK_ICON_SIZE_BUTTON, &size, &size);
dirtree->folder = gtk_icon_theme_load_icon(icontheme, "stock_folder",
size, GTK_ICON_LOOKUP_USE_BUILTIN, &error);
if(dirtree->folder == NULL)
{
helper->error(helper->browser, error->message, 1);
g_error_free(error);
}
widget = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
dirtree->store = gtk_tree_store_new(3, GDK_TYPE_PIXBUF, G_TYPE_STRING,
G_TYPE_STRING);
gtk_tree_store_insert(dirtree->store, &iter, NULL, -1);
gtk_tree_store_set(dirtree->store, &iter, 0, dirtree->folder, 1, "/",
2, "/", -1);
dirtree->view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(
dirtree->store));
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(dirtree->view), FALSE);
renderer = gtk_cell_renderer_pixbuf_new();
column = gtk_tree_view_column_new_with_attributes(NULL, renderer,
"pixbuf", 0, NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(dirtree->view), column);
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes(NULL, renderer,
"text", 1, NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(dirtree->view), column);
treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(dirtree->view));
gtk_tree_selection_set_mode(treesel, GTK_SELECTION_SINGLE);
g_signal_connect_swapped(treesel, "changed", G_CALLBACK(
_dirtree_on_selection_changed), plugin);
gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(widget),
dirtree->view);
gtk_widget_show_all(widget);
return widget;
}
/* dirtree_destroy */
static void _dirtree_destroy(BrowserPlugin * plugin)
{
Dirtree * dirtree = plugin->priv;
g_object_unref(dirtree->folder);
object_delete(dirtree);
}
/* dirtree_refresh */
static gboolean _refresh_child(Dirtree * dirtree, GtkTreeIter * parent,
char const * path, char const * basename);
static void _dirtree_refresh(BrowserPlugin * plugin, char const * path)
{
Dirtree * dirtree = plugin->priv;
GtkTreeModel * model = GTK_TREE_MODEL(dirtree->store);
GtkTreeIter iter;
gboolean valid;
GtkTreeSelection * treesel;
size_t i;
size_t j;
char * p;
char c;
if(path == NULL || (p = strdup(path)) == NULL)
return;
valid = gtk_tree_model_iter_children(model, &iter, NULL);
for(i = 0; valid == TRUE && p[i] != '\0'; i++)
{
if(p[i] != '/')
continue;
p[i] = '\0';
for(j = i + 1; p[j] != '\0' && p[j] != '/'; j++);
c = p[j];
p[j] = '\0';
valid = _refresh_child(dirtree, &iter, (i == 0) ? "/" : p,
&p[i + 1]);
p[i] = '/';
p[j] = c;
}
free(p);
if(valid == TRUE)
{
treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(
dirtree->view));
gtk_tree_selection_select_iter(treesel, &iter);
}
}
static gboolean _refresh_child(Dirtree * dirtree, GtkTreeIter * parent,
char const * path, char const * basename)
{
DIR * dir;
struct dirent * de;
GtkTreeModel * model = GTK_TREE_MODEL(dirtree->store);
GtkTreeIter iter;
gboolean valid;
GtkTreePath * p = NULL;
for(valid = gtk_tree_model_iter_children(model, &iter, parent);
valid == TRUE;
valid = gtk_tree_store_remove(dirtree->store, &iter));
if((dir = opendir(path)) == NULL)
return FALSE;
while((de = readdir(dir)) != NULL)
{
/* FIXME d_type is not portable */
if(de->d_name[0] == '.' || de->d_type != DT_DIR)
continue;
gtk_tree_store_insert(dirtree->store, &iter, parent, -1);
gtk_tree_store_set(dirtree->store, &iter, 0, dirtree->folder,
/* XXX may not be valid UTF-8, need full path */
1, de->d_name, -1);
if(p == NULL && strcmp(de->d_name, basename) == 0)
p = gtk_tree_model_get_path(model, &iter);
}
closedir(dir);
if(p == NULL)
return FALSE;
gtk_tree_view_expand_to_path(GTK_TREE_VIEW(dirtree->view), p);
gtk_tree_model_get_iter(model, parent, p); /* XXX may fail */
gtk_tree_path_free(p);
return TRUE;
}
/* callbacks */
/* dirtree_on_selection_changed */
static void _dirtree_on_selection_changed(gpointer data)
{
BrowserPlugin * plugin = data;
Dirtree * dirtree = plugin->priv;
GtkTreeSelection * treesel;
GtkTreeModel * model;
GtkTreeIter iter;
gchar * location;
treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(dirtree->view));
if(gtk_tree_selection_get_selected(treesel, &model, &iter) != TRUE)
return;
gtk_tree_model_get(model, &iter, 2, &location, -1);
plugin->helper->set_location(plugin->helper->browser, location);
g_free(location);
}