Index: trunk/src_plugins/hid_gtk2_gdk/gtkhid-gdk.c
===================================================================
--- trunk/src_plugins/hid_gtk2_gdk/gtkhid-gdk.c	(revision 9152)
+++ trunk/src_plugins/hid_gtk2_gdk/gtkhid-gdk.c	(revision 9153)
@@ -1221,7 +1221,7 @@
 {
 }
 
-static gboolean ghid_gdk_preview_expose(GtkWidget * widget, GdkEventExpose * ev, pcb_hid_expose_t expcall, const pcb_hid_expose_ctx_t *ctx)
+static gboolean ghid_gdk_preview_expose(GtkWidget * widget, pcb_gtk_expose_t * p, pcb_hid_expose_t expcall, const pcb_hid_expose_ctx_t *ctx)
 {
 	GdkWindow *window = gtk_widget_get_window(widget);
 	GdkDrawable *save_drawable;
@@ -1230,6 +1230,7 @@
 	int save_width, save_height;
 	double xz, yz, vw, vh;
 	render_priv_t *priv = gport->render_priv;
+	GdkEventExpose *ev = p;
 
 	vw = ctx->view.X2 - ctx->view.X1;
 	vh = ctx->view.Y2 - ctx->view.Y1;
Index: trunk/src_plugins/hid_gtk2_gl/gtkhid-gl.c
===================================================================
--- trunk/src_plugins/hid_gtk2_gl/gtkhid-gl.c	(revision 9152)
+++ trunk/src_plugins/hid_gtk2_gl/gtkhid-gl.c	(revision 9153)
@@ -976,7 +976,7 @@
 	return;
 }
 
-gboolean ghid_gl_preview_expose(GtkWidget * widget, GdkEventExpose * ev, pcb_hid_expose_t expcall, const pcb_hid_expose_ctx_t *ctx)
+gboolean ghid_gl_preview_expose(GtkWidget * widget, pcb_gtk_expose_t * p, pcb_hid_expose_t expcall, const pcb_hid_expose_ctx_t *ctx)
 {
 	GdkWindow *window = gtk_widget_get_window(widget);
 	GdkGLContext *pGlContext = gtk_widget_get_gl_context(widget);
@@ -983,6 +983,7 @@
 	GdkGLDrawable *pGlDrawable = gtk_widget_get_gl_drawable(widget);
 	GtkAllocation allocation;
 	render_priv_t *priv = gport->render_priv;
+	GdkEventExpose *ev = p;
 	pcb_gtk_view_t save_view;
 	int save_width, save_height;
 	double xz, yz, vw, vh;
Index: trunk/src_plugins/hid_gtk3_cairo/gtkhid-cairo.c
===================================================================
--- trunk/src_plugins/hid_gtk3_cairo/gtkhid-cairo.c	(revision 9152)
+++ trunk/src_plugins/hid_gtk3_cairo/gtkhid-cairo.c	(revision 9153)
@@ -1375,11 +1375,12 @@
 	//cairo_surface_destroy(surf);
 }
 
-static gboolean ghid_cairo_preview_expose(GtkWidget * widget, GdkEventExpose * ev,
+static gboolean ghid_cairo_preview_expose(GtkWidget * widget, pcb_gtk_expose_t * p,
 																					pcb_hid_expose_t expcall, const pcb_hid_expose_ctx_t * ctx)
 {
 	GdkWindow *window = gtk_widget_get_window(widget);
 	//GdkDrawable *save_drawable;
+	cairo_t *cr = p;
 	GtkAllocation allocation;			/* Assuming widget is a drawing widget, get the Rectangle allowed for drawing. */
 	pcb_gtk_view_t save_view;
 	int save_width, save_height;
Index: trunk/src_plugins/lib_gtk_common/glue.h
===================================================================
--- trunk/src_plugins/lib_gtk_common/glue.h	(revision 9152)
+++ trunk/src_plugins/lib_gtk_common/glue.h	(revision 9153)
@@ -22,7 +22,7 @@
 	void (*drawing_area_configure_hook)(void *);
 
 	void (*init_drawing_widget)(GtkWidget *widget, void *gport);
-	gboolean (*preview_expose)(GtkWidget *widget, GdkEventExpose *ev, pcb_hid_expose_t expcall, const pcb_hid_expose_ctx_t *ctx);
+	gboolean (*preview_expose)(GtkWidget *widget, pcb_gtk_expose_t *p, pcb_hid_expose_t expcall, const pcb_hid_expose_ctx_t *ctx);
 	void (*load_bg_image)(void);
 	void (*init_renderer)(int *argc, char ***argv, void *port);
 	void (*draw_grid_local)(pcb_coord_t cx, pcb_coord_t cy);