X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f0368d28bf125cdc851e65e1ea215651f19453d2..25fae923236cb855aad93d293025f4485d76f339:/src/gtk/spinctrl.cpp

diff --git a/src/gtk/spinctrl.cpp b/src/gtk/spinctrl.cpp
index 6ba4071d28..1d2b31a00c 100644
--- a/src/gtk/spinctrl.cpp
+++ b/src/gtk/spinctrl.cpp
@@ -185,7 +185,7 @@ double wxSpinCtrlGTKBase::DoGetIncrement() const
     wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
 
     double inc = 0;
-    gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), NULL, &inc);
+    gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), &inc, NULL);
     return inc;
 }
 
@@ -257,7 +257,12 @@ void wxSpinCtrlGTKBase::DoSetIncrement(double inc)
     wxCHECK_RET( m_widget, "invalid spin button" );
 
     GtkDisableEvents();
-    gtk_spin_button_set_increments( GTK_SPIN_BUTTON(m_widget), inc, 10*inc);
+
+    // Preserve the old page value when changing just the increment.
+    double page = 10*inc;
+    gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), NULL, &page);
+
+    gtk_spin_button_set_increments( GTK_SPIN_BUTTON(m_widget), inc, page);
     GtkEnableEvents();
 }
 
@@ -347,8 +352,6 @@ wxSpinCtrlGTKBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 // wxSpinCtrl
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxSpinCtrlGTKBase)
-
 //-----------------------------------------------------------------------------
 // wxSpinCtrlDouble
 //-----------------------------------------------------------------------------