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/*
This file is part of GNUnet.
(C) 2010, 2012 Christian Grothoff (and other contributing authors)
GNUnet 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, or (at your
option) any later version.
GNUnet 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 GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file src/fs/gnunet-fs-gtk.c
* @brief Main function of gnunet-fs-gtk
* @author Christian Grothoff
*/
#include "gnunet-fs-gtk.h"
#include "gnunet-fs-gtk_common.h"
#include "gnunet-fs-gtk_event-handler.h"
/**
* How many block requests can we have outstanding in parallel at a time by default?
*/
#define DEFAULT_MAX_PARALLEL_REQUESTS 100000
/**
* How many downloads can we have outstanding in parallel at a time by default?
*/
#define DEFAULT_MAX_PARALLEL_DOWNLOADS 128
/**
* Should gnunet-fs-gtk start in tray mode?
*/
static int tray_only;
/**
* Handle to our main loop.
*/
static struct GNUNET_GTK_MainLoop *ml;
/**
* Handle for file-sharing operations.
*/
static struct GNUNET_FS_Handle *fs;
/**
* Return handle for file-sharing operations.
*
* @return NULL on error
*/
struct GNUNET_FS_Handle *
GNUNET_FS_GTK_get_fs_handle ()
{
return fs;
}
/**
* Get our configuration.
*
* @return configuration handle
*/
const struct GNUNET_CONFIGURATION_Handle *
GNUNET_FS_GTK_get_configuration ()
{
return GNUNET_GTK_main_loop_get_configuration (ml);
}
/**
* Get an object from the main window.
*
* @param name name of the object
* @return NULL on error
*/
GObject *
GNUNET_FS_GTK_get_main_window_object (const char *name)
{
return GNUNET_GTK_main_loop_get_object (ml, name);
}
/**
* Return the list store with anonymity levels.
*
* @return the list store
*/
GtkTreeModel *
GNUNET_FS_GTK_get_anonymity_level_list_store ()
{
return GTK_TREE_MODEL (GNUNET_FS_GTK_get_main_window_object ("anonymity_level_liststore"));
}
/**
* Obtains main window position and size before it's destroyed
* and saves these into user's config file.
*
* @param main_window main window widget
*/
void
main_window_save_position (GtkWidget *main_window)
{
GdkWindow *main_window_gdk;
gint window_x;
gint window_y;
gint window_width;
gint window_height;
int maximized;
GdkWindowState window_state;
struct GNUNET_CONFIGURATION_Handle *cfg;
struct GNUNET_CONFIGURATION_Handle *cfgDefault;
cfg = (struct GNUNET_CONFIGURATION_Handle *) GNUNET_GTK_main_loop_get_configuration (ml);
main_window_gdk = gtk_widget_get_window (main_window);
maximized = GNUNET_YES;
if (NULL != main_window_gdk)
{
window_state = gdk_window_get_state (main_window_gdk);
if (!(window_state & GDK_WINDOW_STATE_MAXIMIZED))
maximized = GNUNET_NO;
}
gtk_window_get_position (GTK_WINDOW (main_window), &window_x, &window_y);
gtk_window_get_size (GTK_WINDOW (main_window), &window_width, &window_height);
GNUNET_CONFIGURATION_set_value_number (cfg, "gnunet-gtk",
"MAIN_WINDOW_X", window_x);
GNUNET_CONFIGURATION_set_value_number (cfg, "gnunet-gtk",
"MAIN_WINDOW_Y", window_y);
GNUNET_CONFIGURATION_set_value_number (cfg, "gnunet-gtk",
"MAIN_WINDOW_WIDTH", window_width);
GNUNET_CONFIGURATION_set_value_number (cfg, "gnunet-gtk",
"MAIN_WINDOW_HEIGHT", window_height);
GNUNET_CONFIGURATION_set_value_string (cfg, "gnunet-gtk",
"MAIN_WINDOW_MAXIMIZED",
(maximized == GNUNET_YES) ? "YES" : "NO");
cfgDefault = GNUNET_CONFIGURATION_create ();
(void) GNUNET_CONFIGURATION_load (cfgDefault, NULL); /* load defaults only */
GNUNET_CONFIGURATION_write_diffs (cfgDefault, cfg,
GNUNET_GTK_main_loop_get_configuration_file (ml));
GNUNET_CONFIGURATION_destroy (cfgDefault);
}
/**
* Obtains main window position and size before it's destroyed
* and saves these into user's config file.
*
* @param main_window main window widget
*/
void
GNUNET_FS_GTK_main_window_drag_end (GtkWidget *main_window,
GdkDragContext *drag_context,
gpointer user_data)
{
struct GNUNET_GTK_MainWindowContext *main_context = user_data;
main_window_save_position (main_context->main_window);
}
/**
* Obtains main window position and size before it's destroyed
* and saves these into user's config file.
*
* @param main_window main window widget
*/
void
GNUNET_FS_GTK_main_window_size_request (GtkWidget *main_window,
GtkRequisition *requisition,
gpointer user_data)
{
struct GNUNET_GTK_MainWindowContext *main_context = user_data;
main_window_save_position (main_context->main_window);
}
/**
* Task run on shutdown.
* FIXME-STYLE: does this need to be a separate task!?
*
* @param cls NULL
* @param tc scheduler context, unused
*/
static void
shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
GNUNET_GTK_main_loop_quit (ml);
if (fs != NULL)
{
GNUNET_FS_stop (fs);
fs = NULL;
}
}
/**
* Callback invoked if the application is supposed to exit.
*
* @param object origin of the quit event, unused
* @param user_data global builder instance, unused
*/
void
GNUNET_FS_GTK_menu_quit_activate_cb (GtkMenuItem *object,
gpointer user_data)
{
struct GNUNET_GTK_MainWindowContext *main_context = user_data;
GNUNET_GTK_tray_icon_destroy ();
GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_IDLE,
&shutdown_task, NULL);
GNUNET_free (main_context);
}
/**
* Callback invoked if the application is supposed to exit.
*
* @param object origin of the quit event, unused
* @param user_data global builder instance, unused
*/
void
GNUNET_FS_GTK_delete_event_cb (GtkWidget *object,
GdkEvent *event,
gpointer user_data)
{
struct GNUNET_GTK_MainWindowContext *main_context = user_data;
GNUNET_GTK_tray_icon_destroy ();
GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_IDLE,
&shutdown_task, NULL);
GNUNET_free (main_context);
}
/**
* Actual main function run right after GNUnet's scheduler
* is initialized. Initializes up GTK and Glade.
*
* @param cls handle to the main loop ('struct GNUNET_GTK_MainLoop')
* @param tc scheduler context, unused
*/
static void
run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
unsigned long long dl_parallel, req_parallel, window_x, window_y,
window_width, window_height;
int maximized;
struct GNUNET_GTK_MainWindowContext *main_context;
main_context = GNUNET_malloc (sizeof (struct GNUNET_GTK_MainWindowContext));
ml = cls;
/* setup main context */
if (GNUNET_OK != GNUNET_GTK_main_loop_build_window (cls, main_context))
{
GNUNET_free (main_context);
return;
}
main_context->builder = GNUNET_GTK_main_loop_get_builder (cls);
main_context->cfg = GNUNET_GTK_main_loop_get_configuration (cls);
main_context->search_ns_treestore = GTK_TREE_STORE (GNUNET_FS_GTK_get_main_window_object ("main_window_search_namespace_treestore"));
main_context->main_window = GTK_WIDGET (GNUNET_FS_GTK_get_main_window_object ("GNUNET_GTK_main_window"));
main_context->ns_selector_treeview = GTK_TREE_VIEW (GNUNET_FS_GTK_get_main_window_object ("namespace_selector_treeview"));
main_context->ns_selector_window = GTK_WIDGET (GNUNET_FS_GTK_get_main_window_object ("namespace_selector_window"));
main_context->ns_dropdown_button = GTK_TOGGLE_BUTTON (GNUNET_FS_GTK_get_main_window_object ("main_window_search_namespace_dropdown_button"));
main_context->search_ns_label = GTK_LABEL (GNUNET_FS_GTK_get_main_window_object ("main_window_search_selected_namespace_label"));
main_context->search_entry = GTK_ENTRY (GNUNET_FS_GTK_get_main_window_object ("main_window_search_entry"));
main_context->anonymity_combo = GTK_COMBO_BOX (GNUNET_FS_GTK_get_main_window_object ("main_window_search_anonymity_combobox"));
main_context->anonymity_level_liststore = GTK_LIST_STORE (GNUNET_FS_GTK_get_main_window_object ("anonymity_level_liststore"));
main_context->preview_image = GTK_IMAGE (GNUNET_FS_GTK_get_main_window_object ("GNUNET_GTK_main_window_preview_image"));
main_context->md_liststore = GTK_LIST_STORE (GNUNET_FS_GTK_get_main_window_object ("GNUNET_GTK_meta_data_list_store"));
main_context->md_treeview = GTK_TREE_VIEW (GNUNET_FS_GTK_get_main_window_object ("GNUNET_GTK_main_window_metadata_treeview"));
main_context->ns_callback_registered = GNUNET_NO;
GNUNET_GTK_set_icon_search_path ();
GNUNET_GTK_setup_nls ();
/* Make sure button class is realized */
g_type_class_unref (g_type_class_ref (GTK_TYPE_BUTTON));
/* GNUnet main window assumes that images on buttons are visible,
* override the theme's gtkrc setting
*/
g_object_set (gtk_settings_get_default (), "gtk-button-images", TRUE, NULL);
/* setup main window */
maximized = GNUNET_CONFIGURATION_get_value_yesno (main_context->cfg,
"gnunet-gtk", "MAIN_WINDOW_MAXIMIZED");
if (GNUNET_SYSERR == maximized)
maximized = GNUNET_YES;
if ( (GNUNET_NO == maximized) &&
(GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (main_context->cfg, "gnunet-gtk",
"MAIN_WINDOW_X", &window_x)) &&
(GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (main_context->cfg, "gnunet-gtk",
"MAIN_WINDOW_Y", &window_y)) &&
(GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (main_context->cfg, "gnunet-gtk",
"MAIN_WINDOW_WIDTH", &window_width)) &&
(GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (main_context->cfg, "gnunet-gtk",
"MAIN_WINDOW_HEIGHT", &window_height)) )
{
gtk_window_move (GTK_WINDOW (main_context->main_window), window_x, window_y);
gtk_window_resize (GTK_WINDOW (main_context->main_window), window_width, window_height);
}
else
{
/* If anything is wrong - play safe and show it maximized */
gtk_window_maximize (GTK_WINDOW (main_context->main_window));
}
/* Allow multiple selection in metadata view; */
/* FIXME-GTK3: this can be done within (modern versions of) glade */
gtk_tree_selection_set_mode (gtk_tree_view_get_selection (main_context->md_treeview),
GTK_SELECTION_MULTIPLE);
GNUNET_GTK_tray_icon_create (GTK_WINDOW (main_context->main_window),
"gnunet-fs-gtk",
"gnunet-fs-gtk");
/* FIXME: should these '1's be here? Maybe better to put them into
* default config files?
*/
if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (main_context->cfg, "gnunet-fs-gtk",
"MAX_PARALLEL_DOWNLOADS", &dl_parallel))
dl_parallel = DEFAULT_MAX_PARALLEL_DOWNLOADS;
if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (main_context->cfg, "gnunet-fs-gtk",
"MAX_PARALLEL_REQUESTS", &req_parallel))
req_parallel = DEFAULT_MAX_PARALLEL_REQUESTS;
/* initialize file-sharing */
fs = GNUNET_FS_start (main_context->cfg, "gnunet-fs-gtk",
&GNUNET_GTK_fs_event_handler, NULL,
GNUNET_FS_FLAGS_PERSISTENCE | GNUNET_FS_FLAGS_DO_PROBES,
GNUNET_FS_OPTIONS_DOWNLOAD_PARALLELISM,
(unsigned int) dl_parallel,
GNUNET_FS_OPTIONS_REQUEST_PARALLELISM,
(unsigned int) req_parallel,
GNUNET_FS_OPTIONS_END);
if (NULL == fs)
{
GNUNET_GTK_main_loop_quit (cls);
GNUNET_free (main_context);
return;
}
GNUNET_GTK_main_window_refresh_ns_list (main_context);
/* make GUI visible */
if (!tray_only)
{
gtk_widget_show (main_context->main_window);
gtk_window_present (GTK_WINDOW (main_context->main_window));
}
}
int
main (int argc, char *const *argv)
{
static struct GNUNET_GETOPT_CommandLineOption options[] = {
{'t', "tray", NULL,
gettext_noop ("start in tray mode"), 0,
&GNUNET_GETOPT_set_one, &tray_only},
GNUNET_GETOPT_OPTION_END
};
if (GNUNET_OK !=
GNUNET_GTK_main_loop_start ("gnunet-fs-gtk", "GTK GUI for GNUnet", argc,
argv, options,
"gnunet_fs_gtk_main_window.glade", &run))
return 1;
return 0;
}
/* end of gnunet-fs-gtk.c */
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