add new signal 'adjust_bounds' to potentialy change the bounds before

2002-02-14  Jody Goldberg <jody@gnome.org>

	* gtk/gtkrange.c (gtk_range_class_init) : add new signal
	  'adjust_bounds' to potentialy change the bounds before assigning the
	  new value and camping it to the existing bounds.
	(gtk_range_internal_set_value) : used here. #68800.
	* gtk/gtkmarshalers.list : add VOID:DOUBLE

10 files changed, 73 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 87ddc908c2..905b70f1d3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2002-02-14  Jody Goldberg <jody@gnome.org>
+
+	* gtk/gtkrange.c (gtk_range_class_init) : add new signal
+	  'adjust_bounds' to potentialy change the bounds before assigning the
+	  new value and camping it to the existing bounds.
+	(gtk_range_internal_set_value) : used here. #68800.
+	* gtk/gtkmarshalers.list : add VOID:DOUBLE
+
 Thu Feb 14 21:08:49 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/gdkglobals.c: Remove GDKVAR from C file, see
diff --git a/ChangeLog.pre-2-0 b/ChangeLog.pre-2-0
index 87ddc908c2..905b70f1d3 100644
--- a/ChangeLog.pre-2-0
+++ b/ChangeLog.pre-2-0
@@ -1,3 +1,11 @@
+2002-02-14  Jody Goldberg <jody@gnome.org>
+
+	* gtk/gtkrange.c (gtk_range_class_init) : add new signal
+	  'adjust_bounds' to potentialy change the bounds before assigning the
+	  new value and camping it to the existing bounds.
+	(gtk_range_internal_set_value) : used here. #68800.
+	* gtk/gtkmarshalers.list : add VOID:DOUBLE
+
 Thu Feb 14 21:08:49 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/gdkglobals.c: Remove GDKVAR from C file, see
diff --git a/ChangeLog.pre-2-10 b/ChangeLog.pre-2-10
index 87ddc908c2..905b70f1d3 100644
--- a/ChangeLog.pre-2-10
+++ b/ChangeLog.pre-2-10
@@ -1,3 +1,11 @@
+2002-02-14  Jody Goldberg <jody@gnome.org>
+
+	* gtk/gtkrange.c (gtk_range_class_init) : add new signal
+	  'adjust_bounds' to potentialy change the bounds before assigning the
+	  new value and camping it to the existing bounds.
+	(gtk_range_internal_set_value) : used here. #68800.
+	* gtk/gtkmarshalers.list : add VOID:DOUBLE
+
 Thu Feb 14 21:08:49 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/gdkglobals.c: Remove GDKVAR from C file, see
diff --git a/ChangeLog.pre-2-2 b/ChangeLog.pre-2-2
index 87ddc908c2..905b70f1d3 100644
--- a/ChangeLog.pre-2-2
+++ b/ChangeLog.pre-2-2
@@ -1,3 +1,11 @@
+2002-02-14  Jody Goldberg <jody@gnome.org>
+
+	* gtk/gtkrange.c (gtk_range_class_init) : add new signal
+	  'adjust_bounds' to potentialy change the bounds before assigning the
+	  new value and camping it to the existing bounds.
+	(gtk_range_internal_set_value) : used here. #68800.
+	* gtk/gtkmarshalers.list : add VOID:DOUBLE
+
 Thu Feb 14 21:08:49 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/gdkglobals.c: Remove GDKVAR from C file, see
diff --git a/ChangeLog.pre-2-4 b/ChangeLog.pre-2-4
index 87ddc908c2..905b70f1d3 100644
--- a/ChangeLog.pre-2-4
+++ b/ChangeLog.pre-2-4
@@ -1,3 +1,11 @@
+2002-02-14  Jody Goldberg <jody@gnome.org>
+
+	* gtk/gtkrange.c (gtk_range_class_init) : add new signal
+	  'adjust_bounds' to potentialy change the bounds before assigning the
+	  new value and camping it to the existing bounds.
+	(gtk_range_internal_set_value) : used here. #68800.
+	* gtk/gtkmarshalers.list : add VOID:DOUBLE
+
 Thu Feb 14 21:08:49 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/gdkglobals.c: Remove GDKVAR from C file, see
diff --git a/ChangeLog.pre-2-6 b/ChangeLog.pre-2-6
index 87ddc908c2..905b70f1d3 100644
--- a/ChangeLog.pre-2-6
+++ b/ChangeLog.pre-2-6
@@ -1,3 +1,11 @@
+2002-02-14  Jody Goldberg <jody@gnome.org>
+
+	* gtk/gtkrange.c (gtk_range_class_init) : add new signal
+	  'adjust_bounds' to potentialy change the bounds before assigning the
+	  new value and camping it to the existing bounds.
+	(gtk_range_internal_set_value) : used here. #68800.
+	* gtk/gtkmarshalers.list : add VOID:DOUBLE
+
 Thu Feb 14 21:08:49 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/gdkglobals.c: Remove GDKVAR from C file, see
diff --git a/ChangeLog.pre-2-8 b/ChangeLog.pre-2-8
index 87ddc908c2..905b70f1d3 100644
--- a/ChangeLog.pre-2-8
+++ b/ChangeLog.pre-2-8
@@ -1,3 +1,11 @@
+2002-02-14  Jody Goldberg <jody@gnome.org>
+
+	* gtk/gtkrange.c (gtk_range_class_init) : add new signal
+	  'adjust_bounds' to potentialy change the bounds before assigning the
+	  new value and camping it to the existing bounds.
+	(gtk_range_internal_set_value) : used here. #68800.
+	* gtk/gtkmarshalers.list : add VOID:DOUBLE
+
 Thu Feb 14 21:08:49 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* gdk/gdkglobals.c: Remove GDKVAR from C file, see
diff --git a/gtk/gtkmarshalers.list b/gtk/gtkmarshalers.list
index d1e9159590..96fa6fd42c 100644
--- a/gtk/gtkmarshalers.list
+++ b/gtk/gtkmarshalers.list
@@ -41,6 +41,7 @@ NONE:INT,INT
 NONE:NONE
 NONE:STRING,INT,POINTER
 STRING:DOUBLE
+VOID:DOUBLE
 VOID:BOOLEAN
 VOID:BOOLEAN,BOOLEAN,BOOLEAN
 VOID:BOXED
diff --git a/gtk/gtkrange.c b/gtk/gtkrange.c
index 064c1840b4..de04272f5a 100644
--- a/gtk/gtkrange.c
+++ b/gtk/gtkrange.c
@@ -46,6 +46,7 @@ enum {
 
 enum {
   VALUE_CHANGED,
+  ADJUST_BOUNDS,
   MOVE_SLIDER,
   LAST_SIGNAL
 };
@@ -244,6 +245,16 @@ gtk_range_class_init (GtkRangeClass *class)
                   _gtk_marshal_NONE__NONE,
                   G_TYPE_NONE, 0);
   
+  signals[ADJUST_BOUNDS] =
+    g_signal_new ("adjust_bounds",
+                  G_TYPE_FROM_CLASS (object_class),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GtkRangeClass, adjust_bounds),
+                  NULL, NULL,
+                  _gtk_marshal_VOID__DOUBLE,
+                  G_TYPE_NONE, 1,
+                  G_TYPE_DOUBLE);
+  
   signals[MOVE_SLIDER] =
     g_signal_new ("move_slider",
                   G_TYPE_FROM_CLASS (object_class),
@@ -254,7 +265,6 @@ gtk_range_class_init (GtkRangeClass *class)
                   G_TYPE_NONE, 1,
                   GTK_TYPE_SCROLL_TYPE);
   
-  
   g_object_class_install_property (gobject_class,
                                    PROP_UPDATE_POLICY,
                                    g_param_spec_enum ("update_policy",
@@ -2149,6 +2159,9 @@ static void
 gtk_range_internal_set_value (GtkRange *range,
                               gdouble   value)
 {
+  /* potentially adjust the bounds _before we clamp */
+  g_signal_emit (G_OBJECT (range), signals[ADJUST_BOUNDS], 0, value);
+
   value = CLAMP (value, range->adjustment->lower,
                  (range->adjustment->upper - range->adjustment->page_size));
 
diff --git a/gtk/gtkrange.h b/gtk/gtkrange.h
index 1e2110d8fd..f8c0d1e79d 100644
--- a/gtk/gtkrange.h
+++ b/gtk/gtkrange.h
@@ -109,6 +109,8 @@ struct _GtkRangeClass
   gchar *stepper_detail;
 
   void (* value_changed)    (GtkRange     *range);
+  void (* adjust_bounds)    (GtkRange     *range,
+                             gdouble	   new_value);
   
   /* action signals for keybindings */
   void (* move_slider)      (GtkRange     *range,