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#include "opt.h"
#include <stdlib.h> /* for exit() */
static OptShow *opt_show = NULL;
static gboolean
key_release_cb (ClutterStage *stage,
ClutterKeyEvent *kev,
gpointer user_data)
{
OptShow *show = OPT_SHOW (user_data);
switch (clutter_key_event_symbol (kev))
{
case CLUTTER_m:
opt_show_pop_menu (show);
break;
case CLUTTER_s:
opt_show_toggle_position (show);
break;
case CLUTTER_q:
clutter_main_quit ();
break;
case CLUTTER_r:
case CLUTTER_Left:
opt_show_retreat (show);
break;
case CLUTTER_Page_Down:
opt_show_skip (show, 5);
break;
case CLUTTER_Page_Up:
opt_show_skip (show, -5);
break;
case CLUTTER_Up:
case CLUTTER_Down:
case CLUTTER_Return:
/* menu keys -- ignore */
break;
case CLUTTER_Right:
default:
opt_show_advance (show);
break;
}
return FALSE;
}
static gboolean
button_release_cb (ClutterStage *stage,
ClutterButtonEvent *bev,
gpointer user_data)
{
OptShow *show = OPT_SHOW (user_data);
if (bev->button == 1)
opt_show_advance (show);
else if (bev->button == 3)
opt_show_retreat (show);
return FALSE;
}
static void
on_fullscreen (ClutterStage *stage,
const gchar *filename)
{
GError *error = NULL;
if (opt_show)
return;
opt_show = opt_show_new ();
if (!opt_config_load (opt_show, filename, &error))
{
/* Cleanup */
g_printerr ("Could not load presentation:\n\t%s\n", error->message);
g_error_free (error);
exit (EXIT_FAILURE);
}
opt_show_run (opt_show);
/* Connect up for input event */
g_signal_connect (stage,
"key-release-event", G_CALLBACK (key_release_cb),
opt_show);
g_signal_connect (stage,
"button-release-event", G_CALLBACK (button_release_cb),
opt_show);
}
static int
usage (const char *msg)
{
g_printerr ("Usage: %s [OPTIONS..] <FILE>\n", msg);
return EXIT_FAILURE;
}
int
main(int argc, char **argv)
{
GError *error = NULL;
ClutterActor *stage;
gchar **opt_filename = NULL;
gchar *opt_export = NULL;
gchar *opt_size = NULL;
GOptionEntry options[] = {
{ "export",
'e',
0,
G_OPTION_ARG_STRING,
&opt_export,
"Export PNG slides to PATH",
"PATH" },
{ "size",
's',
0,
G_OPTION_ARG_STRING,
&opt_size,
"Presentation display dimentions.",
"WxH" },
{ G_OPTION_REMAINING,
0,
0,
G_OPTION_ARG_FILENAME_ARRAY,
&opt_filename,
"Presentation XML filename to load",
"FILE" },
{ NULL }
};
if (argc == 1)
return usage (argv[0]);
clutter_init_with_args (&argc, &argv, "- OH Presentation tool",
options, NULL,
NULL);
stage = clutter_stage_get_default();
/* Need to set this early on */
if (opt_export != NULL)
{
gboolean offscreen_supported;
g_object_set (stage, "offscreen", TRUE, NULL);
/* Actually check offscreen works - recent Mesas appear not to
* like rendering to Pixmaps.
*/
g_object_get (stage, "offscreen", &offscreen_supported, NULL);
if (offscreen_supported == FALSE)
{
g_print ("Could not export presentation:\n"
"\tOffscreen rendering not supported by Clutter backend\n");
return EXIT_FAILURE;
}
}
if (opt_size != NULL)
{
gint w, h;
if (!sscanf (opt_size, "%dx%d", &w, &h) || w <= 0 || h <= 0)
return usage (argv[0]);
opt_show = opt_show_new ();
clutter_actor_set_size (stage, w, h);
if (!opt_config_load (opt_show, opt_filename[0], &error))
{
/* Cleanup */
g_printerr ("Could not load presentation:\n\t%s\n", error->message);
g_error_free (error);
return EXIT_FAILURE;
}
/* Connect up for input event */
g_signal_connect (stage,
"key-release-event", G_CALLBACK (key_release_cb),
opt_show);
g_signal_connect (stage,
"button-release-event", G_CALLBACK (button_release_cb),
opt_show);
opt_show_run (opt_show);
}
else
{
g_signal_connect (stage,
"fullscreen", G_CALLBACK (on_fullscreen),
opt_filename[0]);
clutter_stage_fullscreen (CLUTTER_STAGE (stage));
clutter_stage_hide_cursor (CLUTTER_STAGE (stage));
clutter_actor_show (stage);
}
if (opt_export)
{
if (!opt_show_export (opt_show, opt_export, &error))
{
/* Cleanup */
g_printerr ("Could not export presentation:\n\t%s\n",
error->message);
g_error_free (error);
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
else
clutter_main ();
return EXIT_SUCCESS;
}
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