can anyone help me with this code? the bottom two callbacks never fire,
and i have no idea why. i can see the keys change in gconf-editor, its
mighty weird.
here's the code ...
//
/// file: wallpapers.cc
/// author: earthworm
/// date: Sunday, 12 June 2005
/// about: manage wallpaper collection with boost filesystem
//
// includes //
//
#include <iostream>
#include <cstdlib>
#include "wallpapers.hh"
// definitions //
//
c_wallpapers::c_wallpapers ()
{
// set up the gconf client
m_ref_gconf_client = Gnome::Conf::Client::get_default_client();
// seed random number generator
std::srand(std::time(NULL));
m_b_follow_symlink =
m_ref_gconf_client->get_bool("/apps/wp_tray/b_follow_links");
m_b_image_check =
m_ref_gconf_client->get_bool("/apps/wp_tray/b_img_check");
m_regex_image_check = ".jpg|.jpeg|.png|.gif|.bmp|.tiff";
// set a random wallpaper if we have been told to at logon
if(m_ref_gconf_client->get_bool("/apps/wp_tray/b_wp_logon") == true)
{
c_wallpapers::set_random();
}// end if
// create wallpaper change timeout
if(m_ref_gconf_client->get_bool("/apps/wp_tray/b_timeout") == true)
{
// set the wallpaper timeout
m_sigc_connection =
Glib::signal_timeout().connect(sigc::mem_fun(*this,
&c_wallpapers::set_random), 100000 *
m_ref_gconf_client->get_int("/apps/wp_tray/n_timeout"));
}// end if
// listen to changes to our keys
m_ref_gconf_client->notify_add( "/apps/wp_tray/b_timeout",
sigc::mem_fun(*this,
&c_wallpapers::regenerate_timeout));
m_ref_gconf_client->notify_add( "/apps/wp_tray/n_timeout",
sigc::mem_fun(*this,
&c_wallpapers::regenerate_timeout));
m_ref_gconf_client->notify_add( "/apps/wp_tray/b_follow_links",
sigc::mem_fun(*this,
&c_wallpapers::on_follow_symlink_changed));
m_ref_gconf_client->notify_add( "/apps/wp_tray/b_img_check",
sigc::mem_fun(*this,
&c_wallpapers::on_image_check_changed));
}// end c_wallpapers::c_wallpapers
c_wallpapers::~c_wallpapers ()
{
}// end c_wallpapers::~c_wallpapers
bool
c_wallpapers::set_random ()
{
std::size_t n_file_count(0);
Glib::ustring sz_file;
// grab all the directories
std::list<Glib::ustring> ls_wp_dir =
m_ref_gconf_client->get_string_list("/apps/wp_tray/dir_list");
for(std::list<Glib::ustring>::iterator it = ls_wp_dir.begin(); it !=
ls_wp_dir.end(); ++ it)
{
// recurse each path to count wallpapers
c_wallpapers::count_directory_entries(it->c_str(),
n_file_count);
}// end for
if(n_file_count == 0)
{
return false;
}// end if
// get random image index
n_file_count = (std::rand() % n_file_count) + 1;
for(std::list<Glib::ustring>::iterator it = ls_wp_dir.begin(); it !=
ls_wp_dir.end(); ++ it)
{
// recurse each path to get random wallpaper
c_wallpapers::get_directory_entry_at_index(it->c_str(),
n_file_count,
sz_file);
}// end for
// set new in gconf
if(sz_file.length() > 0)
m_ref_gconf_client->set("/desktop/gnome/background/picture_filename",
sz_file);
return true;
}// end c_wallpapers::set_random
Glib::ustring
c_wallpapers::get_current ()
{
return
m_ref_gconf_client->get_string("/desktop/gnome/background/picture_filename");
}// end c_wallpapers::get_current
bool
c_wallpapers::delete_curret ()
{
bool b_result(fs::remove(fs::path(c_wallpapers::get_current())));
c_wallpapers::set_random();
return b_result;
}// end c_wallpapers::delete_curret
std::size_t
c_wallpapers::count_directory_entries (fs::path
path_current,
std::size_t
& n_file_count)
{
fs::directory_iterator end_iter;
for(fs::directory_iterator dir_itr(path_current); dir_itr != end_iter;
++ dir_itr)
{
try
{
if(fs::is_directory(*dir_itr))
{
if(fs::symbolic_link_exists(*dir_itr))
{
if(m_b_follow_symlink == true)
{
// recurse
c_wallpapers::count_directory_entries(*dir_itr, n_file_count);
}// end if
}// end if
else
{
// recurse
c_wallpapers::count_directory_entries(*dir_itr, n_file_count);
}// end else
}// end if
else
{
if(!m_b_image_check ||
boost::regex_match(dir_itr->leaf(),
m_regex_image_check))
++ n_file_count;
}// end else
}// end try
catch(const std::exception & ex)
{
std::cerr <<
"c_wallpapers::count_entries_in_directory() : " <<
dir_itr->leaf() << " " << ex.what() << std::endl;
}// end catch
}// end for
return n_file_count;
}// end c_wallpapers::count_directory_entries
void
c_wallpapers::get_directory_entry_at_index (fs::path
path_current,
std::size_t
& n_file_index,
Glib::ustring
& sz_file)
{
fs::directory_iterator end_iter;
if(n_file_index == 0)
{
return;
}// end if
for(fs::directory_iterator dir_itr(path_current); dir_itr != end_iter
&& n_file_index != 0; ++ dir_itr)
{
try
{
if(fs::is_directory(*dir_itr))
{
if(fs::symbolic_link_exists(*dir_itr))
{
if(m_b_follow_symlink == true)
{
// recurse
c_wallpapers::get_directory_entry_at_index(*dir_itr, n_file_index,
sz_file);
}// end if
}// end if
else
{
// recurse
c_wallpapers::get_directory_entry_at_index(*dir_itr, n_file_index,
sz_file);
}// end else
}// end if
else
{
if(!m_b_image_check ||
boost::regex_match(dir_itr->leaf(),
m_regex_image_check))
{
if(-- n_file_index == 0)
{
sz_file =
(*dir_itr).native_directory_string();
}// end if
}// end if
}// end else
}// end try
catch(const std::exception & ex)
{
std::cerr <<
"c_wallpapers::count_entries_in_directory() : " <<
dir_itr->leaf() << " " << ex.what() << std::endl;
}// end catch
}// end for
}// end c_wallpapers::get_directory_entry_at_index
void
c_wallpapers::regenerate_timeout (guint
n_cnxn,
Gnome::Conf::Entry
gconf_entry)
{
// delete old timeout!
m_sigc_connection.disconnect();
// (re)create wallpaper change timeout
if(m_ref_gconf_client->get_bool("/apps/wp_tray/b_timeout") == true)
{
// set the wallpaper timeout
m_sigc_connection =
Glib::signal_timeout().connect(sigc::mem_fun(*this,
&c_wallpapers::set_random), 100000 *
m_ref_gconf_client->get_int("/apps/wp_tray/n_timeout"));
}// end if
}// end c_wallpapers::regenerate_timeout
void
c_wallpapers::on_follow_symlink_changed (guint
n_cnxn,
Gnome::Conf::Entry
gconf_entry)
{
m_b_follow_symlink =
m_ref_gconf_client->get_bool("/apps/wp_tray/b_follow_links");
}// end c_wallpapers::on_follow_symlink_changed
void
c_wallpapers::on_image_check_changed (guint
n_cnxn,
Gnome::Conf::Entry
gconf_entry)
{
m_b_image_check =
m_ref_gconf_client->get_bool("/apps/wp_tray/b_img_check");
}// end c_wallpapers::on_image_check_changed
_______________________________________________
gnomemm-list mailing list
[email protected]
http://mail.gnome.org/mailman/listinfo/gnomemm-list
