Desktop
/* $Id: dirtree.c,v 1.8 2009/10/29 23:28:36 khorben Exp $ */
/* Copyright (c) 2009 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 <unistd.h>
#include <dirent.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <libgen.h>
#include <gtk/gtk.h>
/* dirtree */
/* types */
typedef int Prefs;
#define PREFS_p 01
#define PREFS_u 02
/* variables */
static GdkPixbuf * _folder = NULL;
/* prototypes */
static int _dirtree_new(Prefs * prefs, char const * pathname);
static int _dirtree_error(char const * message, int ret);
/* functions */
/* dirtree_new */
static int _dirtree_add(GtkTreeStore * store, GtkTreeIter * iter);
/* callbacks */
static gboolean _on_dirtree_delete(GtkWidget * widget, GdkEvent * event,
gpointer data);
static void _on_dirtree_default(GtkTreeView * view, GtkTreePath * path,
GtkTreeViewColumn * column, gpointer data);
static int _dirtree_new(Prefs * prefs, char const * pathname)
{
GtkIconTheme * theme;
GtkWidget * scrolled;
GtkWidget * window;
GtkTreeStore * store;
GtkTreeIter iter;
GtkWidget * treeview;
GtkCellRenderer * renderer;
GtkTreeViewColumn * column;
char * p;
if((p = strdup(pathname)) == NULL)
return -1;
if(_folder == NULL)
{
theme = gtk_icon_theme_get_default();
_folder = gtk_icon_theme_load_icon(theme, "stock_folder", 16, 0,
NULL);
}
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "Directory tree");
gtk_window_set_default_size(GTK_WINDOW(window), 480, 640);
g_signal_connect(G_OBJECT(window), "delete-event", G_CALLBACK(
_on_dirtree_delete), NULL);
scrolled = gtk_scrolled_window_new(NULL, NULL);
store = gtk_tree_store_new(3, GDK_TYPE_PIXBUF, G_TYPE_STRING,
G_TYPE_STRING);
gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store), 2,
GTK_SORT_ASCENDING);
gtk_tree_store_append(store, &iter, NULL);
gtk_tree_store_set(store, &iter, 0, _folder, 1, pathname, 2,
basename(p), -1);
_dirtree_add(store, &iter);
treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), FALSE);
renderer = gtk_cell_renderer_pixbuf_new();
column = gtk_tree_view_column_new_with_attributes("Icon", renderer,
"pixbuf", 0, NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);
renderer = gtk_cell_renderer_text_new();
column = gtk_tree_view_column_new_with_attributes("Name", renderer,
"text", 2, NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(treeview), column);
g_signal_connect(G_OBJECT(treeview), "row-activated", G_CALLBACK(
_on_dirtree_default), prefs);
gtk_container_add(GTK_CONTAINER(scrolled), treeview);
gtk_container_add(GTK_CONTAINER(window), scrolled);
gtk_widget_show_all(window);
if(*prefs & PREFS_u)
gtk_tree_view_expand_all(GTK_TREE_VIEW(treeview));
free(p);
return 0;
}
static int _dirtree_add(GtkTreeStore * store, GtkTreeIter * iter)
{
GValue pathname;
const char * p;
size_t len;
char * str;
DIR * dir;
struct dirent * de;
char * q;
GtkTreeIter iter2;
memset(&pathname, 0, sizeof(pathname));
gtk_tree_model_get_value(GTK_TREE_MODEL(store), iter, 1, &pathname);
p = g_value_get_string(&pathname);
len = strlen(p) + 1;
if((dir = opendir(p)) == NULL
|| (str = malloc(len + 1)) == NULL)
{
perror(p);
g_value_unset(&pathname);
return 1;
}
snprintf(str, len + 1, "%s/", p);
while((de = readdir(dir)) != NULL)
{
if(!(de->d_type & DT_DIR)
|| strcmp(".", de->d_name) == 0
|| strcmp("..", de->d_name) == 0)
continue;
if((q = realloc(str, len + de->d_namlen + 1)) == NULL)
continue;
str = q;
snprintf(&str[len], de->d_namlen + 1, "%s", de->d_name);
gtk_tree_store_append(store, &iter2, iter);
if((q = g_filename_to_utf8(de->d_name, de->d_namlen, NULL, NULL,
NULL)) == NULL)
q = de->d_name;
gtk_tree_store_set(store, &iter2, 0, _folder, 1, str, 2, q, -1);
_dirtree_add(store, &iter2);
}
closedir(dir);
free(str);
g_value_unset(&pathname);
return 0;
}
static gboolean _on_dirtree_delete(GtkWidget * widget, GdkEvent * event,
gpointer data)
{
gtk_main_quit();
return FALSE;
}
static void _on_dirtree_default(GtkTreeView * view, GtkTreePath * path,
GtkTreeViewColumn * column, gpointer data)
{
Prefs * prefs = data;
GtkTreeModel * model;
GtkTreeIter iter;
char * location;
pid_t pid;
model = gtk_tree_view_get_model(view);
gtk_tree_model_get_iter(model, &iter, path);
gtk_tree_model_get(model, &iter, 1, &location, -1);
if(location == NULL)
return; /* FIXME should not happen */
if(*prefs & PREFS_p)
{
if((pid = fork()) == -1)
{
_dirtree_error("fork", 1);
return;
}
else if(pid != 0)
return;
}
execlp("browser", "browser", location, NULL);
perror("browser");
}
/* dirtree_error */
static int _dirtree_error(char const * message, int ret)
{
fputs("dirtree: ", stderr);
perror(message);
return ret;
}
/* usage */
static int _usage(void)
{
fputs("Usage: dirtree [-pu][pathname]\n"
" -p\tKeep the directory tree opened when opening a folder\n"
" -u\tExpand all entries\n", stderr);
return 1;
}
/* main */
int main(int argc, char * argv[])
{
Prefs prefs = 0;
int o;
char * root = "/";
gtk_init(&argc, &argv);
while((o = getopt(argc, argv, "pu")) != -1)
switch(o)
{
case 'p':
prefs |= PREFS_p;
break;
case 'u':
prefs |= PREFS_u;
break;
default:
return _usage();
}
if(optind + 1 == argc)
root = argv[optind];
else if(optind != argc)
return _usage();
_dirtree_new(&prefs, root);
gtk_main();
return 0;
}