* #11491: gnome: fix gtk2 build

gnome/src/gtk2_wrappers.c

@@ -41,6 +41,14 @@ GtkWidget *gtk_box_new(GtkOrientation orientation, gint spacing)
         return gtk_vbox_new(FALSE, spacing);
 }
 
+GtkWidget *gtk_scale_new(GtkOrientation orientation, GtkAdjustment *adjustment)
+{
+    if (orientation == GTK_ORIENTATION_HORIZONTAL)
+        return gtk_hscale_new(adjustment);
+    else
+        return gtk_vscale_new(adjustment);
+}
+
 GtkWidget* gtk_button_box_new(GtkOrientation orientation)
 {
     if (orientation == GTK_ORIENTATION_HORIZONTAL)

gnome/src/gtk2_wrappers.h

@@ -51,6 +51,8 @@ GtkWidget *
 gtk_scale_new_with_range(GtkOrientation orientation, gdouble min, gdouble max,
                          gdouble step);
 
+GtkWidget *
+gtk_scale_new(GtkOrientation orientation, GtkAdjustment *adjustment);
 #endif
 
 #endif // BOX_H_

gnome/src/seekslider.c

@@ -26,14 +26,17 @@
  *
  */
 
-// #include <config.h>
 
-#include <gtk/gtk.h>
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gtk/gtk.h>
+#include "gtk2_wrappers.h"
 #include "seekslider.h"
 #include "dbus.h"
 #include "logger.h"
-#include "config.h"
 
 /**
  * SECTION:sfl-seekslider
@@ -106,15 +109,13 @@ sfl_seekslider_init (SFLSeekSlider *seekslider)
     gdouble pageincrement = SEEKSLIDER_PAGEINCREMENT;
     gdouble pagesize = SEEKSLIDER_PAGESIZE;
 
-    GtkAdjustment *adjustment = gtk_adjustment_new(init_value, min_value, max_value, stepincrement, pageincrement, pagesize);
-    if(adjustment == NULL) {
+    GtkAdjustment *adjustment = GTK_ADJUSTMENT(gtk_adjustment_new(init_value, min_value, max_value, stepincrement, pageincrement, pagesize));
+    if (adjustment == NULL)
         WARN("Invalid adjustment value for horizontal scale");
-    }
 
     seekslider->priv->hscale = gtk_scale_new(GTK_ORIENTATION_HORIZONTAL, adjustment);
-    if(seekslider->priv->hscale == NULL) {
+    if (seekslider->priv->hscale == NULL)
          WARN("Could not create new horizontal scale");
-    }
 
     g_signal_connect(G_OBJECT(seekslider->priv->hscale), "change-value",
                      G_CALLBACK(on_playback_scale_value_changed_cb), seekslider);
@@ -250,6 +251,6 @@ void sfl_seekslider_update_scale(SFLSeekSlider *seekslider, guint current, guint
 
     gdouble val = ((gdouble) current / (gdouble) size) * 100.0;
 
-    if(seekslider->priv->can_update_scale == TRUE) {
-        gtk_range_set_value(GTK_RANGE(seekslider->priv->hscale), val); }
+    if (seekslider->priv->can_update_scale)
+        gtk_range_set_value(GTK_RANGE(seekslider->priv->hscale), val);
 }