summaryrefslogtreecommitdiff
path: root/gtk/gtkadjustment.c
diff options
context:
space:
mode:
Diffstat (limited to 'gtk/gtkadjustment.c')
-rw-r--r--gtk/gtkadjustment.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/gtk/gtkadjustment.c b/gtk/gtkadjustment.c
new file mode 100644
index 000000000..ab6e63d21
--- /dev/null
+++ b/gtk/gtkadjustment.c
@@ -0,0 +1,118 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include "gtkadjustment.h"
+#include "gtksignal.h"
+
+
+enum {
+ CHANGED,
+ VALUE_CHANGED,
+ LAST_SIGNAL
+};
+
+
+static void gtk_adjustment_class_init (GtkAdjustmentClass *klass);
+static void gtk_adjustment_init (GtkAdjustment *adjustment);
+
+
+static gint adjustment_signals[LAST_SIGNAL] = { 0 };
+
+
+guint
+gtk_adjustment_get_type ()
+{
+ static guint adjustment_type = 0;
+
+ if (!adjustment_type)
+ {
+ GtkTypeInfo adjustment_info =
+ {
+ "GtkAdjustment",
+ sizeof (GtkAdjustment),
+ sizeof (GtkAdjustmentClass),
+ (GtkClassInitFunc) gtk_adjustment_class_init,
+ (GtkObjectInitFunc) gtk_adjustment_init,
+ (GtkArgFunc) NULL,
+ };
+
+ adjustment_type = gtk_type_unique (gtk_data_get_type (), &adjustment_info);
+ }
+
+ return adjustment_type;
+}
+
+static void
+gtk_adjustment_class_init (GtkAdjustmentClass *class)
+{
+ GtkObjectClass *object_class;
+
+ object_class = (GtkObjectClass*) class;
+
+ adjustment_signals[CHANGED] =
+ gtk_signal_new ("changed",
+ GTK_RUN_FIRST | GTK_RUN_NO_RECURSE,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (GtkAdjustmentClass, changed),
+ gtk_signal_default_marshaller,
+ GTK_TYPE_NONE, 0);
+ adjustment_signals[VALUE_CHANGED] =
+ gtk_signal_new ("value_changed",
+ GTK_RUN_FIRST | GTK_RUN_NO_RECURSE,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (GtkAdjustmentClass, value_changed),
+ gtk_signal_default_marshaller,
+ GTK_TYPE_NONE, 0);
+
+ gtk_object_class_add_signals (object_class, adjustment_signals, LAST_SIGNAL);
+
+ class->changed = NULL;
+ class->value_changed = NULL;
+}
+
+static void
+gtk_adjustment_init (GtkAdjustment *adjustment)
+{
+ adjustment->value = 0.0;
+ adjustment->lower = 0.0;
+ adjustment->upper = 0.0;
+ adjustment->step_increment = 0.0;
+ adjustment->page_increment = 0.0;
+ adjustment->page_size = 0.0;
+}
+
+GtkObject*
+gtk_adjustment_new (gfloat value,
+ gfloat lower,
+ gfloat upper,
+ gfloat step_increment,
+ gfloat page_increment,
+ gfloat page_size)
+{
+ GtkAdjustment *adjustment;
+
+ adjustment = gtk_type_new (gtk_adjustment_get_type ());
+
+ adjustment->value = value;
+ adjustment->lower = lower;
+ adjustment->upper = upper;
+ adjustment->step_increment = step_increment;
+ adjustment->page_increment = page_increment;
+ adjustment->page_size = page_size;
+
+ return GTK_OBJECT (adjustment);
+}