pidgin/plugins/gestures/gstroke.h

   1 /*
   2    libgstroke - a GNOME stroke interface library
   3    Copyright (c) 1996,1997,1998,1999,2000,2001  Mark F. Willey, ETLA Technical
   4
   5    See the file COPYING for distribution information.
   6 */
   7
   8 /* largest number of points allowed to be sampled */
   9 #ifndef _GSTROKE_H_
  10 #define _GSTROKE_H_
  11
  12 #define GSTROKE_MAX_POINTS 10000
  13
  14 /* number of sample points required to have a valid stroke */
  15 #define GSTROKE_MIN_POINTS 50
  16
  17 /* maximum number of numbers in stroke */
  18 #define GSTROKE_MAX_SEQUENCE 32
  19
  20 /* threshold of size of smaller axis needed for it to define its own
  21    bin size */
  22 #define GSTROKE_SCALE_RATIO 4
  23
  24 /* minimum percentage of points in bin needed to add to sequence */
  25 #define GSTROKE_BIN_COUNT_PERCENT 0.07
  26
  27 void gstroke_set_draw_strokes(gboolean draw);
  28 gboolean gstroke_draw_strokes(void);
  29
  30 void gstroke_set_mouse_button(gint button);
  31 guint gstroke_get_mouse_button(void);
  32
  33 /* enable strokes for the widget */
  34 void gstroke_enable (GtkWidget *widget);
  35
  36 /* disable strokes for the widget */
  37 void gstroke_disable(GtkWidget *widget);
  38
  39 guint gstroke_signal_connect (GtkWidget *widget,
  40                               const gchar *name,
  41                               void (*func)(GtkWidget *widget, void *data),
  42                               gpointer data);
  43
  44 /* frees all the memory allocated for stroke, should be called when
  45    the widget is destroyed*/
  46 void gstroke_cleanup (GtkWidget *widget);
  47
  48 #endif