Work on actual demos

1 files changed, 170 insertions, 2 deletions

diff --git a/crystfel-demo.c b/crystfel-demo.c
index 1f00c9b..2686e2f 100644
--- a/crystfel-demo.c
+++ b/crystfel-demo.c
@@ -28,17 +28,169 @@
 
 
 #include <gtk/gtk.h>
+#include <sys/stat.h>
+#include <errno.h>
 
 
 struct crystfeldemo
 {
-	int dummy;
+	GSubprocess *examine_raw_files;
+	GSubprocess *check_peak_detection;
 };
 
 
+gint stop_examine_raw(GtkWidget *widget, struct crystfeldemo *demo)
+{
+	if ( demo->examine_raw_files == NULL ) {
+		printf("Not running!\n");
+		return 0;
+	}
+
+	g_subprocess_send_signal(demo->examine_raw_files, SIGTERM);
+	g_subprocess_wait(demo->examine_raw_files, NULL, NULL);
+	demo->examine_raw_files = NULL;
+
+	return 0;
+}
+
+
 gint examine_raw_files(GtkWidget *widget, struct crystfeldemo *demo)
 {
-	printf("Demo!\n");
+	GError *error = NULL;
+
+	if ( demo->examine_raw_files != NULL ) {
+		printf("Already running!\n");
+		return 0;
+	}
+
+	demo->examine_raw_files = g_subprocess_new(G_SUBPROCESS_FLAGS_NONE,
+	           &error,
+	           "/home/taw/crystfel-demo/files/random-image",
+	           "/home/taw/crystfel-demo/files/files.lst",
+	           NULL);
+
+	if ( demo->examine_raw_files == NULL ) {
+		printf("Failed to start demo process\n");
+	}
+	return 0;
+}
+
+
+gint stop_peak_detection(GtkWidget *widget, struct crystfeldemo *demo)
+{
+	if ( demo->check_peak_detection == NULL ) {
+		printf("Not running!\n");
+		return 0;
+	}
+
+	g_subprocess_send_signal(demo->check_peak_detection, SIGTERM);
+	g_subprocess_wait(demo->check_peak_detection, NULL, NULL);
+	demo->check_peak_detection = NULL;
+
+	return 0;
+}
+
+
+gint check_peak_detection(GtkWidget *widget, struct crystfeldemo *demo)
+{
+	GError *error = NULL;
+
+	if ( demo->check_peak_detection != NULL ) {
+		printf("Already running!\n");
+		return 0;
+	}
+
+	demo->check_peak_detection = g_subprocess_new(G_SUBPROCESS_FLAGS_NONE,
+	           &error,
+	           "/home/taw/crystfel-demo/files/check-peak-detection",
+	           "/home/taw/crystfel-demo/files/peaks.stream",
+	           "--geometry=/home/taw/crystfel-demo/files/5HT2B.geom",
+	           NULL);
+
+	if ( demo->check_peak_detection == NULL ) {
+		printf("Failed to start demo process\n");
+	}
+	return 0;
+}
+
+
+gint examine_geom_files(GtkWidget *widget, struct crystfeldemo *demo)
+{
+	GError *error = NULL;
+
+	if ( demo->examine_raw_files != NULL ) {
+		printf("Already running!\n");
+		return 0;
+	}
+
+	demo->examine_raw_files = g_subprocess_new(G_SUBPROCESS_FLAGS_NONE,
+	           &error, "sh",
+	           "/home/taw/crystfel-demo/files/random-image",
+	           "/home/taw/crystfel-demo/files/files.lst",
+	           "--geometry=/home/taw/crystfel-demo/files/5HT2B.geom",
+	           NULL);
+
+	if ( demo->examine_raw_files == NULL ) {
+		printf("Failed to start demo process\n");
+	}
+	return 0;
+}
+
+
+gint show_stream(GtkWidget *widget, struct crystfeldemo *demo)
+{
+	GError *error = NULL;
+
+	if ( demo->examine_raw_files != NULL ) {
+		printf("Already running!\n");
+		return 0;
+	}
+
+	demo->examine_raw_files = g_subprocess_new(G_SUBPROCESS_FLAGS_NONE,
+	           &error, "xfce4-terminal",
+	           "-e",
+	           "less",
+	           "/home/taw/crystfel-demo/files/nocell.stream",
+	           NULL);
+
+	if ( demo->examine_raw_files == NULL ) {
+		printf("Failed to start demo process\n");
+	}
+	return 0;
+}
+
+
+static int change_to_tempdir()
+{
+	char tmpdir[64];
+	struct stat s;
+
+	snprintf(tmpdir, 64, "crystfel_demo_dir.%i", getpid());
+
+	if ( stat(tmpdir, &s) == -1 ) {
+
+		int r;
+
+		if ( errno != ENOENT ) {
+			printf("Failed to stat temporary folder.\n");
+			return 1;
+		}
+
+		r = mkdir(tmpdir, S_IRWXU);
+		if ( r ) {
+			printf("Failed to create temporary folder: %s\n",
+			      strerror(errno));
+			return 1;
+		}
+
+	}
+
+	if ( chdir(tmpdir) ) {
+		printf("Failed to chdir to temporary folder: %s\n",
+		      strerror(errno));
+		return 1;
+	}
+
 	return 0;
 }
 
@@ -49,12 +201,28 @@ int main(int argc, char *argv[])
 	GtkWidget *window;
 	struct crystfeldemo demo;
 
+	if ( change_to_tempdir() ) return 1;
+
+	demo.examine_raw_files = NULL;
+
 	gtk_init(&argc, &argv);
 	builder = gtk_builder_new_from_resource("/de/desy/crystfel-demo/crystfel-demo.glade");
 	window = GTK_WIDGET(gtk_builder_get_object(builder, "mainwindow"));
 
 	gtk_builder_add_callback_symbol(builder, "examine_raw_files",
 	                                G_CALLBACK(examine_raw_files));
+	gtk_builder_add_callback_symbol(builder, "examine_geom_files",
+	                                G_CALLBACK(examine_geom_files));
+	gtk_builder_add_callback_symbol(builder, "stop_examine_raw",
+	                                G_CALLBACK(stop_examine_raw));
+
+	gtk_builder_add_callback_symbol(builder, "check_peak_detection",
+	                                G_CALLBACK(check_peak_detection));
+	gtk_builder_add_callback_symbol(builder, "stop_peak_detection",
+	                                G_CALLBACK(stop_peak_detection));
+
+	gtk_builder_add_callback_symbol(builder, "show_stream",
+	                                G_CALLBACK(show_stream));
 
 	gtk_builder_connect_signals(builder, &demo);
 	gtk_widget_show_all(window);