From ef744d7b8a663f5b9a3e40233eccf8243773e864 Mon Sep 17 00:00:00 2001
From: Samuel Rounce <me@samuelrounce.co.uk>
Date: Fri, 23 Jan 2026 01:55:55 +0000
Subject: [PATCH] fix invalid function signatures

---
 src/attribute.c |  4 ++--
 src/callbacks.c | 12 ++++++------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/attribute.c b/src/attribute.c
index 67a622d..6d207bb 100644
--- a/src/attribute.c
+++ b/src/attribute.c
@@ -193,7 +193,7 @@ static void
 ghid_spin_button (GtkWidget * box, GtkWidget ** spin_button, gfloat value,
 		  gfloat low, gfloat high, gfloat step0, gfloat step1,
 		  gint digits, gint width,
-		  void (*cb_func) (), gpointer data, gboolean right_align,
+		  void (*cb_func) (GtkWidget *, void *), gpointer data, gboolean right_align,
 		  gchar * string)
 {
   GtkWidget *hbox = NULL, *label, *spin_but;
@@ -248,7 +248,7 @@ ghid_check_button_connected (GtkWidget * box,
 			     gboolean expand,
 			     gboolean fill,
 			     gint pad,
-			     void (*cb_func) (),
+			     void (*cb_func) (GtkToggleButton *, gboolean *),
 			     gpointer data, gchar * string)
 {
   GtkWidget *b;
diff --git a/src/callbacks.c b/src/callbacks.c
index 6b4c90e..9428bde 100644
--- a/src/callbacks.c
+++ b/src/callbacks.c
@@ -1066,7 +1066,7 @@ callbacks_toggle_layer_visibility_activate (GtkMenuItem *menuitem, gpointer user
 	if (screenRenderInfo.renderType <= GERBV_RENDER_TYPE_GDK_XOR) {
 		render_refresh_rendered_image_on_screen ();
 	} else {
-		render_recreate_composite_surface (screen.drawing_area);
+		render_recreate_composite_surface ();
 		callbacks_force_expose_event_for_screen ();
 	}
 }
@@ -2185,7 +2185,7 @@ callbacks_layer_tree_visibility_toggled (gint index)
 	if (screenRenderInfo.renderType <= GERBV_RENDER_TYPE_GDK_XOR) {
 		render_refresh_rendered_image_on_screen ();
 	} else {
-		render_recreate_composite_surface (screen.drawing_area);
+		render_recreate_composite_surface ();
 		callbacks_force_expose_event_for_screen ();
 	}
 }
@@ -2437,7 +2437,7 @@ callbacks_remove_layer_button_clicked (GtkButton *button, gpointer user_data)
 		if (screenRenderInfo.renderType <= GERBV_RENDER_TYPE_GDK_XOR) {
 			render_refresh_rendered_image_on_screen ();
 		} else {
-			render_recreate_composite_surface (screen.drawing_area);
+			render_recreate_composite_surface ();
 			callbacks_force_expose_event_for_screen ();
 		}
 	}
@@ -2468,7 +2468,7 @@ callbacks_move_layer_down_button_clicked  (GtkButton *button, gpointer   user_da
 			render_refresh_rendered_image_on_screen ();
 		}
 		else {
-			render_recreate_composite_surface (screen.drawing_area);
+			render_recreate_composite_surface ();
 			callbacks_force_expose_event_for_screen ();
 		}
 	}
@@ -2497,7 +2497,7 @@ callbacks_move_layer_up_button_clicked  (GtkButton *button, gpointer   user_data
 			render_refresh_rendered_image_on_screen();
 		}
 		else {
-			render_recreate_composite_surface (screen.drawing_area);
+			render_recreate_composite_surface ();
 			callbacks_force_expose_event_for_screen ();
 		}
 	}
@@ -2525,7 +2525,7 @@ void callbacks_layer_tree_row_inserted (GtkTreeModel *tree_model, GtkTreePath  *
 				render_refresh_rendered_image_on_screen();
 			}
 			else {
-				render_recreate_composite_surface (screen.drawing_area);
+				render_recreate_composite_surface ();
 				callbacks_force_expose_event_for_screen ();
 			}
 			/* select the new line */
-- 
2.52.0