smyrna toolboxcallbacks: squash -Wunused-parameter warnings

These functions are used as Glade callbacks, so need to conform to particular
type signatures.

diff --git a/cmd/smyrna/gui/toolboxcallbacks.c b/cmd/smyrna/gui/toolboxcallbacks.c
index cf328d2b3149e15f86c6398eb1de5fc27b74db2e..e63f1f7ac3bd1f073bd924d2e637fc8c5d87a7f0 100644 (file)
--- a/cmd/smyrna/gui/toolboxcallbacks.c
+++ b/cmd/smyrna/gui/toolboxcallbacks.c
@@ -21,11 +21,16 @@
 
 void btnToolZoomOut_clicked(GtkWidget * widget, gpointer user_data)
 {
+    (void)widget;
+    (void)user_data;
+
     glmotion_zoom_inc(0);
 }
 
 void btnToolZoomFit_clicked(GtkWidget * widget, gpointer user_data)
 {
+    (void)widget;
+    (void)user_data;
 
     float z, GDX, SDX, GDY, SDY;
     (view->active_camera >= 0)
@@ -60,6 +65,9 @@ void btnToolZoomFit_clicked(GtkWidget * widget, gpointer user_data)
 
 void btnToolFit_clicked(GtkWidget * widget, gpointer user_data)
 {
+    (void)widget;
+    (void)user_data;
+
     float scx, scy, gcx, gcy, z;
 
 
@@ -98,6 +106,9 @@ void btnToolFit_clicked(GtkWidget * widget, gpointer user_data)
 
 void on_btnActivateGraph_clicked(GtkWidget * widget, gpointer user_data)
 {
+    (void)widget;
+    (void)user_data;
+
     int graphId;
     graphId = gtk_combo_box_get_active(view->graphComboBox);
     /* fprintf (stderr, "switch to graph %d\n",graphId); */