Added support for wheel mice (buttons 4 and 5).

Sun Nov 21 16:44:35 1999  Stefan Jeske  <stefan@gtk.org>

        * gtk/gtkspinbutton.c (gtk_spin_button_button_press): Added support
        for wheel mice (buttons 4 and 5).

ChangeLog

+Sun Nov 21 16:44:35 1999  Stefan Jeske  <stefan@gtk.org>
+
+        * gtk/gtkspinbutton.c (gtk_spin_button_button_press): Added support 
+        for wheel mice (buttons 4 and 5).
+
 1999-11-18  Tor Lillqvist  <tml@iki.fi>
 
 	* gdk/win32/gdkgc-win32.c (gdk_gc_predraw): Also for truecolor

ChangeLog.pre-2-0

+Sun Nov 21 16:44:35 1999  Stefan Jeske  <stefan@gtk.org>
+
+        * gtk/gtkspinbutton.c (gtk_spin_button_button_press): Added support 
+        for wheel mice (buttons 4 and 5).
+
 1999-11-18  Tor Lillqvist  <tml@iki.fi>
 
 	* gdk/win32/gdkgc-win32.c (gdk_gc_predraw): Also for truecolor

ChangeLog.pre-2-10

+Sun Nov 21 16:44:35 1999  Stefan Jeske  <stefan@gtk.org>
+
+        * gtk/gtkspinbutton.c (gtk_spin_button_button_press): Added support 
+        for wheel mice (buttons 4 and 5).
+
 1999-11-18  Tor Lillqvist  <tml@iki.fi>
 
 	* gdk/win32/gdkgc-win32.c (gdk_gc_predraw): Also for truecolor

ChangeLog.pre-2-2

+Sun Nov 21 16:44:35 1999  Stefan Jeske  <stefan@gtk.org>
+
+        * gtk/gtkspinbutton.c (gtk_spin_button_button_press): Added support 
+        for wheel mice (buttons 4 and 5).
+
 1999-11-18  Tor Lillqvist  <tml@iki.fi>
 
 	* gdk/win32/gdkgc-win32.c (gdk_gc_predraw): Also for truecolor

ChangeLog.pre-2-4

+Sun Nov 21 16:44:35 1999  Stefan Jeske  <stefan@gtk.org>
+
+        * gtk/gtkspinbutton.c (gtk_spin_button_button_press): Added support 
+        for wheel mice (buttons 4 and 5).
+
 1999-11-18  Tor Lillqvist  <tml@iki.fi>
 
 	* gdk/win32/gdkgc-win32.c (gdk_gc_predraw): Also for truecolor

ChangeLog.pre-2-6

+Sun Nov 21 16:44:35 1999  Stefan Jeske  <stefan@gtk.org>
+
+        * gtk/gtkspinbutton.c (gtk_spin_button_button_press): Added support 
+        for wheel mice (buttons 4 and 5).
+
 1999-11-18  Tor Lillqvist  <tml@iki.fi>
 
 	* gdk/win32/gdkgc-win32.c (gdk_gc_predraw): Also for truecolor

ChangeLog.pre-2-8

+Sun Nov 21 16:44:35 1999  Stefan Jeske  <stefan@gtk.org>
+
+        * gtk/gtkspinbutton.c (gtk_spin_button_button_press): Added support 
+        for wheel mice (buttons 4 and 5).
+
 1999-11-18  Tor Lillqvist  <tml@iki.fi>
 
 	* gdk/win32/gdkgc-win32.c (gdk_gc_predraw): Also for truecolor

gtk/gtkspinbutton.c

@@ -45,6 +45,8 @@
 #define MAX_TEXT_LENGTH                    256
 #define MAX_TIMER_CALLS                    5
 #define EPSILON                            1e-5
+#define WHEEL_UP_BUTTON                    4
+#define WHEEL_DOWN_BUTTON                  5
 
 enum {
   ARG_0,
@@ -763,7 +765,19 @@ gtk_spin_button_button_press (GtkWidget      *widget,
 
   if (!spin->button)
     {
-      if (event->window == spin->panel)
+      if (event->button == WHEEL_UP_BUTTON)
+	{
+	  if (!GTK_WIDGET_HAS_FOCUS (widget))
+	    gtk_widget_grab_focus (widget);
+	  gtk_spin_button_real_spin (spin, spin->adjustment->step_increment);
+	}
+      else if (event->button == WHEEL_DOWN_BUTTON)
+	{
+	  if (!GTK_WIDGET_HAS_FOCUS (widget))
+	    gtk_widget_grab_focus (widget);
+	  gtk_spin_button_real_spin (spin, -spin->adjustment->step_increment); 
+	}
+      else if (event->window == spin->panel)
 	{
 	  if (!GTK_WIDGET_HAS_FOCUS (widget))
 	    gtk_widget_grab_focus (widget);