4 files changed, 11 insertions, 5 deletions
diff --git a/src/GipfelWidget.H b/src/GipfelWidget.H
index b2af2e7..db67d5e 100644
--- a/src/GipfelWidget.H
+++ b/src/GipfelWidget.H
@@ -30,6 +30,7 @@ class GipfelWidget : public Fl_Group {
 		ImageMetaData *md;
 		int mouse_x, mouse_y;
 		char focused_mountain_label[128];
+		void (*params_changed_cb)();
 
 		int handle(int event);
 		Hill * find_mountain(Hills *mnts, int m_x, int m_y);
@@ -42,7 +43,7 @@ class GipfelWidget : public Fl_Group {
 		static void toggle_hidden_cb(Fl_Widget *o, void *f);
 
 	public:
-		GipfelWidget(int X,int Y,int W, int H);
+		GipfelWidget(int X,int Y,int W, int H, void (*changed_cb)());
 
 		int load_image(char *file);
 		int save_image(char *file);
diff --git a/src/GipfelWidget.cxx b/src/GipfelWidget.cxx
index 682f30c..d264ae1 100644
--- a/src/GipfelWidget.cxx
+++ b/src/GipfelWidget.cxx
@@ -29,7 +29,7 @@
 
 static double pi_d, deg2rad;
 
-GipfelWidget::GipfelWidget(int X,int Y,int W, int H): Fl_Group(X, Y, W, H) {
+GipfelWidget::GipfelWidget(int X,int Y,int W, int H, void (*changed_cb)()): Fl_Group(X, Y, W, H) {
 	end();
 	pi_d = asin(1.0) * 2.0;
 	deg2rad = pi_d / 180.0;
@@ -46,6 +46,7 @@ GipfelWidget::GipfelWidget(int X,int Y,int W, int H): Fl_Group(X, Y, W, H) {
 	track_points = NULL;
 	fl_register_images();
 	mouse_x = mouse_y = 0;
+	params_changed_cb = changed_cb;
 }
 
 int
@@ -611,6 +612,8 @@ GipfelWidget::comp_params() {
 	set_labels(pan->get_visible_mountains());
 	redraw();
 	fl_cursor(FL_CURSOR_DEFAULT);
+	if (params_changed_cb)
+		params_changed_cb();
 
 	return ret;
 }
@@ -675,6 +678,8 @@ GipfelWidget::handle(int event) {
 			return 1;
 		case FL_RELEASE:
 			cur_mountain = NULL;
+			if (known_hills->get_num() > 1)
+				comp_params();
 			return 1;
 		case FL_ENTER:
 			return 1;
diff --git a/src/Stitch.cxx b/src/Stitch.cxx
index 23bb4ad..7b9fc04 100644
--- a/src/Stitch.cxx
+++ b/src/Stitch.cxx
@@ -42,7 +42,7 @@ int
 Stitch::load_image(char *file) {
 	for (int i = 0; i < MAX_PICS; i++) {
 		if (gipf[i] == NULL) {
-			gipf[i] = new GipfelWidget(0, 0, 800, 600);
+			gipf[i] = new GipfelWidget(0, 0, 800, 600, NULL);
 			if (gipf[i]->load_image(file) != 0) {
 				delete gipf[i];
 				gipf[i] = NULL;
diff --git a/src/gipfel.cxx b/src/gipfel.cxx
index a780a43..f3775b0 100644
--- a/src/gipfel.cxx
+++ b/src/gipfel.cxx
@@ -630,7 +630,7 @@ int main(int argc, char** argv) {
 	view_win->resizable(g);
 	scroll = new Fl_Scroll(0, 0, view_win->w(), view_win->h());
 
-	gipf = new GipfelWidget(0, 0, 800, 600);
+	gipf = new GipfelWidget(0, 0, 800, 600, set_values);
 	if (img_file) {
 		gipf->load_image(img_file);
 		view_win->label(img_file);
@@ -716,7 +716,7 @@ export_hills(const char *export_file, double visibility) {
 		return 1;
 	}
 
-	gipf = new GipfelWidget(0,0,800,600);
+	gipf = new GipfelWidget(0,0,800,600, NULL);
 	gipf->load_image(img_file);
 	gipf->load_data(data_file);
 	gipf->set_height_dist_ratio(visibility);