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/*
* Copyright (C) 2011, 2012 Dan Nicholson <dbn.lists@gmail.com>
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
#include <config.h>
#include <stdlib.h>
#include <glib.h>
#include <gtk/gtk.h>
#if GTK_MAJOR_VERSION > 2
#include <gtk/gtkx.h>
#endif
#include <gdk/gdkx.h>
#include "evbp-plug.h"
#include "evbp-viewer.h"
enum run_mode {
MODE_EMBEDDED,
MODE_SOCKET,
MODE_PLUG
};
static gboolean opt_fork = FALSE;
static gboolean opt_plug = FALSE;
static gint64 opt_sockwin = 0;
static GOptionEntry options[] = {
{ "fork", 'f', 0, G_OPTION_ARG_NONE, &opt_fork,
"Start a separate process for the plug", NULL },
{ "plug", 'p', 0, G_OPTION_ARG_NONE, &opt_plug,
"Be the plug process", NULL },
{ "socket", 's', 0, G_OPTION_ARG_INT64, &opt_sockwin,
"Socket window ID for the plug to use", "W" },
{ NULL }
};
static inline void
no_debug(const gchar *domain, GLogLevelFlags level,
const gchar *message, gpointer data)
{
}
static void
plug_added_cb(GtkSocket *socket, gpointer data)
{
GtkWidget *window = GTK_WIDGET(data);
g_debug("Plug added to socket, showing toplevel window");
gtk_widget_show_all(window);
}
static gboolean
plug_removed_cb(GtkSocket *socket, gpointer data)
{
g_debug("Plug removed from socket, blocking destruction of socket");
return TRUE;
}
int
main(int argc, char *argv[])
{
GOptionContext *opt;
int mode;
GtkWidget *window;
GtkWidget *box;
GtkWidget *socket;
GtkWidget *button;
GtkWidget *plug;
GtkWidget *viewer;
Window sockwin = 0;
GFile *file;
gchar *uri = NULL;
GError *error = NULL;
if (!getenv("EVBP_DEBUG"))
g_log_set_handler(G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, no_debug, NULL);
opt = g_option_context_new("- test EvbpViewer embedding");
g_option_context_add_main_entries(opt, options, NULL);
if (!g_option_context_parse(opt, &argc, &argv, &error)) {
g_printerr("%s\n", error->message);
exit(EXIT_FAILURE);
}
g_option_context_free(opt);
/* figure out how we're executing */
if (opt_plug) {
mode = MODE_PLUG;
g_debug("Running in separate process for plug");
} else if (opt_fork) {
mode = MODE_SOCKET;
g_debug("Running in separate process for socket");
} else {
mode = MODE_EMBEDDED;
g_debug("Running with socket and plug in same process");
}
/* process can only be the plug if a socket window was supplied */
if (mode == MODE_PLUG) {
if (opt_sockwin == 0) {
g_printerr("No socket window supplied for plug\n");
exit(EXIT_FAILURE);
}
sockwin = (Window)opt_sockwin;
}
if (argc < 2) {
g_printerr("No file supplied to open\n");
exit(EXIT_FAILURE);
}
gtk_init(&argc, &argv);
if (mode != MODE_SOCKET) {
g_debug("Initializing evince");
if (!ev_init()) {
g_printerr("No evince backends found\n");
exit(EXIT_FAILURE);
}
ev_stock_icons_init();
file = g_file_new_for_commandline_arg(argv[1]);
uri = g_file_get_uri(file);
g_object_unref(file);
g_debug("Using uri \"%s\" for file \"%s\"", uri, argv[1]);
}
if (mode != MODE_PLUG) {
g_set_application_name("Evince Previewer Socket Test");
gtk_window_set_default_icon_name("evince");
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(window), 800, 800);
g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
/* box with button to quit */
#if GTK_MAJOR_VERSION > 2
box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
#else
box = gtk_vbox_new(FALSE, 0);
#endif
gtk_container_add(GTK_CONTAINER(window), box);
button = gtk_button_new_with_label("Quit");
gtk_box_pack_end(GTK_BOX(box), button, FALSE, FALSE, 0);
g_signal_connect_swapped(button, "clicked",
G_CALLBACK(gtk_widget_destroy), window);
/* create a socket to embed the viewer in */
socket = gtk_socket_new();
g_signal_connect(socket, "plug-added", G_CALLBACK(plug_added_cb),
window);
g_signal_connect(socket, "plug-removed", G_CALLBACK(plug_removed_cb),
NULL);
gtk_box_pack_start(GTK_BOX(box), socket, TRUE, TRUE, 0);
/* get the socket window ID to pass to the plug process */
gtk_widget_realize(socket);
sockwin = gtk_socket_get_id(GTK_SOCKET(socket));
g_debug("The ID of the socket window is %lu",
(unsigned long)sockwin);
}
if (mode != MODE_SOCKET) {
/* create a plug to for the socket */
g_debug("Creating plug from window %lu", (unsigned long)sockwin);
plug = evbp_plug_new(sockwin);
if (mode == MODE_PLUG)
g_signal_connect(plug, "destroy", G_CALLBACK(gtk_main_quit), NULL);
viewer = evbp_viewer_new();
gtk_container_add(GTK_CONTAINER(plug), viewer);
gtk_widget_show_all(plug);
/* load the file */
if (!evbp_viewer_load_uri(EVBP_VIEWER(viewer), uri, &error)) {
g_printerr("could not open '%s': %s\n", uri, error->message);
g_error_free(error);
exit(EXIT_FAILURE);
}
g_free(uri);
} else {
gchar *cmd;
/* spawn the plug process */
cmd = g_strdup_printf("\"%s\" -p -s %lu \"%s\"", argv[0],
(unsigned long)sockwin, argv[1]);
g_debug("Executing separate plug process: %s", cmd);
if (!g_spawn_command_line_async(cmd, &error)) {
g_printerr("Failed to spawn plug process '%s': %s\n", cmd,
error->message);
g_error_free(error);
exit(EXIT_FAILURE);
}
g_free(cmd);
}
gtk_main();
if (mode != MODE_SOCKET) {
g_debug("Shutting down evince");
ev_shutdown();
ev_stock_icons_shutdown();
}
return 0;
}
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