1 /* GTK - The GIMP Toolkit 2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library 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 GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 /* 19 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS 20 * file for a list of people on the GTK+ Team. See the ChangeLog 21 * files for a list of changes. These files are distributed with 22 * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 23 */ 24 25 #ifndef __GTK_SCALE_H__ 26 #define __GTK_SCALE_H__ 27 28 29 #if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION) 30 #error "Only <gtk/gtk.h> can be included directly." 31 #endif 32 33 #include <gtk/gtkrange.h> 34 35 36 G_BEGIN_DECLS 37 38 #define GTK_TYPE_SCALE (gtk_scale_get_type ()) 39 #define GTK_SCALE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_SCALE, GtkScale)) 40 #define GTK_SCALE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_SCALE, GtkScaleClass)) 41 #define GTK_IS_SCALE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_SCALE)) 42 #define GTK_IS_SCALE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SCALE)) 43 #define GTK_SCALE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SCALE, GtkScaleClass)) 44 45 46 typedef struct _GtkScale GtkScale; 47 typedef struct _GtkScalePrivate GtkScalePrivate; 48 typedef struct _GtkScaleClass GtkScaleClass; 49 50 struct _GtkScale 51 { 52 GtkRange range; 53 54 /*< private >*/ 55 GtkScalePrivate *priv; 56 }; 57 58 struct _GtkScaleClass 59 { 60 GtkRangeClass parent_class; 61 62 gchar* (* format_value) (GtkScale *scale, 63 gdouble value); 64 65 void (* draw_value) (GtkScale *scale); 66 67 void (* get_layout_offsets) (GtkScale *scale, 68 gint *x, 69 gint *y); 70 71 /* Padding for future expansion */ 72 void (*_gtk_reserved1) (void); 73 void (*_gtk_reserved2) (void); 74 void (*_gtk_reserved3) (void); 75 void (*_gtk_reserved4) (void); 76 }; 77 78 GDK_AVAILABLE_IN_ALL 79 GType gtk_scale_get_type (void) G_GNUC_CONST; 80 GDK_AVAILABLE_IN_ALL 81 GtkWidget * gtk_scale_new (GtkOrientation orientation, 82 GtkAdjustment *adjustment); 83 GDK_AVAILABLE_IN_ALL 84 GtkWidget * gtk_scale_new_with_range (GtkOrientation orientation, 85 gdouble min, 86 gdouble max, 87 gdouble step); 88 GDK_AVAILABLE_IN_ALL 89 void gtk_scale_set_digits (GtkScale *scale, 90 gint digits); 91 GDK_AVAILABLE_IN_ALL 92 gint gtk_scale_get_digits (GtkScale *scale); 93 GDK_AVAILABLE_IN_ALL 94 void gtk_scale_set_draw_value (GtkScale *scale, 95 gboolean draw_value); 96 GDK_AVAILABLE_IN_ALL 97 gboolean gtk_scale_get_draw_value (GtkScale *scale); 98 GDK_AVAILABLE_IN_3_4 99 void gtk_scale_set_has_origin (GtkScale *scale, 100 gboolean has_origin); 101 GDK_AVAILABLE_IN_3_4 102 gboolean gtk_scale_get_has_origin (GtkScale *scale); 103 GDK_AVAILABLE_IN_ALL 104 void gtk_scale_set_value_pos (GtkScale *scale, 105 GtkPositionType pos); 106 GDK_AVAILABLE_IN_ALL 107 GtkPositionType gtk_scale_get_value_pos (GtkScale *scale); 108 109 GDK_AVAILABLE_IN_ALL 110 PangoLayout * gtk_scale_get_layout (GtkScale *scale); 111 GDK_AVAILABLE_IN_ALL 112 void gtk_scale_get_layout_offsets (GtkScale *scale, 113 gint *x, 114 gint *y); 115 116 GDK_AVAILABLE_IN_ALL 117 void gtk_scale_add_mark (GtkScale *scale, 118 gdouble value, 119 GtkPositionType position, 120 const gchar *markup); 121 GDK_AVAILABLE_IN_ALL 122 void gtk_scale_clear_marks (GtkScale *scale); 123 124 125 G_END_DECLS 126 127 #endif /* __GTK_SCALE_H__ */ 128