88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/* nknob.h
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* LV2 DrMr plugin
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* Copyright 2012 Nick Lanham <nick@afternight.org>
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*
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* NKnob - A simplified version of phatknob that just is a new gui
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* over a GtkRange (i.e. it can be used exactly like a
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* GtkRange from the outside)
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*
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* From PhatKnob code:
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* Most of this code comes from gAlan 0.2.0, copyright (C) 1999
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* Tony Garnock-Jones, with modifications by Sean Bolton,
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* copyright (c) 2004. (gtkdial.c rolls over in its grave.)
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*
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* Phatised by Loki Davison.
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*
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* GNU Public License v3. source code is available at
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* <http://github.com/nicklan/drmr>
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#ifndef __NKNOB_H__
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#define __NKNOB_H__
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#include <gtk/gtkrange.h>
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G_BEGIN_DECLS
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#define N_TYPE_KNOB (n_knob_get_type ( ))
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#define N_KNOB(obj) GTK_CHECK_CAST(obj, n_knob_get_type(), NKnob)
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#define N_KNOB_CLASS(klass) GTK_CHECK_CLASS_CAST(klass, n_knob_get_type(), NKnobClass)
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#define N_IS_KNOB(obj) GTK_CHECK_TYPE(obj, n_knob_get_type())
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#define N_IS_KNOB_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), N_TYPE_KNOB))
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#define N_KNOB_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), N_TYPE_KNOB, NKnobClass))
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typedef struct _NKnob NKnob;
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typedef struct _NKnobClass NKnobClass;
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struct _NKnob {
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GtkRange range;
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/* image prefix */
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gchar *load_prefix;
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/* State of widget (to do with user interaction) */
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guint8 state;
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gint saved_x, saved_y;
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/* size of the widget */
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gint size;
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/* Pixmap for knob */
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GdkPixbuf *pixbuf;
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};
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struct _NKnobClass {
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GtkRangeClass parent_class;
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};
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GType n_knob_get_type ( ) G_GNUC_CONST;
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GtkWidget* n_knob_new (GtkAdjustment* adjustment);
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GtkWidget* n_knob_new_with_range (double value,
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double lower,
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double upper,
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double step);
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void n_knob_set_load_prefix(NKnob* knob, gchar* prefix);
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gchar* n_knob_get_load_prefix(NKnob* knob);
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G_END_DECLS
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#endif
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