From 669c9df2ed66681f17a4b381d3d1deba4e5a08b2 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Fri, 26 Aug 2022 13:09:26 +0200
Subject: GUI: Refuse to open "Index all frames" without a geometry filename

Fixes: https://gitlab.desy.de/thomas.white/crystfel/-/issues/73
---
 src/gui_index.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gui_index.c b/src/gui_index.c
index 2634f525..b629c751 100644
--- a/src/gui_index.c
+++ b/src/gui_index.c
@@ -408,6 +408,13 @@ gint index_all_sig(GtkWidget *widget, struct crystfelproject *proj)
 
 	if ( proj->indexing_opts != NULL ) return FALSE;
 
+	if ( proj->geom_filename == NULL ) {
+		error_box(proj, "No geometry file was selected.  "
+		"You must select a geometry file via 'Load data' before using "
+		"this function");
+		return FALSE;
+	}
+
 	njp = malloc(sizeof(struct new_index_job_params));
 	if ( njp == NULL ) return FALSE;
 
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