1 /* 2 * Copyright (C) 2009, 2010 Hermann Meyer, James Warden, Andreas Degert 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 17 */ 18 19 #ifndef __GX_KNOB_H__ 20 #define __GX_KNOB_H__ 21 22 23 #include "GxRegler.h" 24 25 G_BEGIN_DECLS 26 27 #define GX_TYPE_KNOB (gx_knob_get_type()) 28 #define GX_KNOB(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GX_TYPE_KNOB, GxKnob)) 29 #define GX_KNOB_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GX_TYPE_KNOB, GxKnobClass)) 30 #define GX_IS_KNOB(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GX_TYPE_KNOB)) 31 #define GX_IS_KNOB_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((klass), GX_TYPE_KNOB)) 32 #define GX_KNOB_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GX_TYPE_KNOB, GxKnobClass)) 33 34 typedef struct _GxKnob GxKnob; 35 typedef struct _GxKnobClass GxKnobClass; 36 typedef struct _GxKnobPrivate GxKnobPrivate; 37 38 struct _GxKnob { 39 GxRegler parent; 40 GxKnobPrivate *priv; 41 }; 42 43 struct _GxKnobClass { 44 GxReglerClass parent_class; 45 const gchar *stock_id; 46 }; 47 48 GType gx_knob_get_type(void); 49 50 void _gx_knob_expose(GtkWidget *widget, GdkRectangle *image_rect, gdouble reglerstate, 51 GdkPixbuf *regler_image); 52 gboolean _gx_knob_pointer_event(GtkWidget *widget, gdouble x, gdouble y, const gchar *icon, 53 gboolean drag, int state, int button); 54 void _gx_knob_draw_arc(GtkWidget *widget, GdkRectangle *rect, gdouble reglerstate, 55 gboolean has_focus); 56 void _gx_knob_draw_indicator(GtkWidget *widget, GdkRectangle *image_rect, gdouble knobstate); 57 58 G_END_DECLS 59 60 #endif /* __GX_KNOB_H__ */ 61