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Diffstat (limited to 'examples/gtkdial/gtkdial.h')
-rw-r--r-- | examples/gtkdial/gtkdial.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/examples/gtkdial/gtkdial.h b/examples/gtkdial/gtkdial.h new file mode 100644 index 000000000..0b63d1702 --- /dev/null +++ b/examples/gtkdial/gtkdial.h @@ -0,0 +1,88 @@ +/* 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. + */ +#ifndef __GTK_DIAL_H__ +#define __GTK_DIAL_H__ + + +#include <gdk/gdk.h> +#include <gtk/gtkadjustment.h> +#include <gtk/gtkwidget.h> + + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#define GTK_DIAL(obj) GTK_CHECK_CAST (obj, gtk_dial_get_type (), GtkDial) +#define GTK_DIAL_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gtk_dial_get_type (), GtkDialClass) +#define GTK_IS_DIAL(obj) GTK_CHECK_TYPE (obj, gtk_dial_get_type ()) + + +typedef struct _GtkDial GtkDial; +typedef struct _GtkDialClass GtkDialClass; + +struct _GtkDial +{ + GtkWidget widget; + + /* update policy (GTK_UPDATE_[CONTINUOUS/DELAYED/DISCONTINUOUS]) */ + guint policy : 2; + + /* Button currently pressed or 0 if none */ + guint8 button; + + /* Dimensions of dial components */ + gint radius; + gint pointer_width; + + /* ID of update timer, or 0 if none */ + guint32 timer; + + /* Current angle */ + gfloat angle; + + /* Old values from adjustment stored so we know when something changes */ + gfloat old_value; + gfloat old_lower; + gfloat old_upper; + + /* The adjustment object that stores the data for this dial */ + GtkAdjustment *adjustment; +}; + +struct _GtkDialClass +{ + GtkWidgetClass parent_class; +}; + + +GtkWidget* gtk_dial_new (GtkAdjustment *adjustment); +guint gtk_dial_get_type (void); +GtkAdjustment* gtk_dial_get_adjustment (GtkDial *dial); +void gtk_dial_set_update_policy (GtkDial *dial, + GtkUpdateType policy); + +void gtk_dial_set_adjustment (GtkDial *dial, + GtkAdjustment *adjustment); +#ifdef __cplusplus +} +#endif /* __cplusplus */ + + +#endif /* __GTK_DIAL_H__ */ |