1 /*
2 * This file is part of XForms.
3 *
4 * XForms is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License as
6 * published by the Free Software Foundation; either version 2.1, or
7 * (at your option) any later version.
8 *
9 * XForms is distributed in the hope that it will be useful, but
10 * 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 XForms; see the file COPYING. If not, write to
16 * the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
17 * MA 02111-1307, USA.
18 */
19
20
21 /* This is an example of the use of dials.
22 */
23
24 #ifdef HAVE_CONFIG_H
25 #include "config.h"
26 #endif
27
28
29 #include <stdio.h>
30 #include "include/forms.h"
31
32
33 FL_FORM *form;
34 FL_OBJECT *dial[ 3 ],
35 *text[ 3 ],
36 *result;
37
38 enum {
39 RED,
40 GREEN,
41 BLUE
42 };
43
44
45 /***************************************
46 ***************************************/
47
48 static void
dial_callback(FL_OBJECT * obj FL_UNUSED_ARG,long arg)49 dial_callback( FL_OBJECT * obj FL_UNUSED_ARG,
50 long arg )
51 {
52 int clr[ 3 ];
53 size_t i;
54 char str[ 60 ];
55
56 for ( i = RED; i <= BLUE; i++ )
57 clr[ i ] = fl_get_dial_value( dial[ i ] );
58
59 sprintf( str, "%d", clr[ arg ] );
60 fl_set_object_label( text[ arg ], str );
61
62 fl_mapcolor( FL_FREE_COL1, clr[ 0 ], clr[ 1 ], clr[ 2 ] );
63 fl_redraw_object( result );
64 }
65
66
67 /***************************************
68 ***************************************/
69
70 static void
makeform(void)71 makeform( void )
72 {
73 FL_OBJECT *quit;
74 size_t i;
75 const char *txt[ ] = { "Red", "Green", "Blue" };
76 FL_COLOR clr[ ] = { FL_RED, FL_GREEN, FL_BLUE };
77
78 form = fl_bgn_form( FL_UP_BOX, 300, 330 );
79
80 quit = fl_add_button( FL_NORMAL_BUTTON, 45, 15, 210, 45, "A Color Editor" );
81 fl_set_object_lsize( quit, FL_LARGE_SIZE );
82
83 for ( i = RED; i <= BLUE; i++ )
84 {
85 dial[ i ] = fl_add_dial( FL_LINE_DIAL, 30, 240 - i * 85, 60, 60,
86 txt[ i ] );
87 fl_set_dial_bounds( dial[ i ], 0.0, 255.0 );
88 fl_set_dial_angles( dial[ i ], 15.0, 345.0 );
89 fl_set_dial_value( dial[ i ], 128.0 );
90 fl_set_object_color( dial[ i ], clr[ i ], FL_DIAL_COL2 );
91 fl_set_object_return( dial[ i ], FL_RETURN_CHANGED );
92 fl_set_object_callback( dial[ i ], dial_callback, i );
93
94 text[ i ] = fl_add_box( FL_DOWN_BOX, 105, 255 - i * 85, 50, 25, "128" );
95 }
96
97 result = fl_add_box( FL_DOWN_BOX, 180, 70, 90, 245, "" );
98 fl_mapcolor( FL_FREE_COL1, 128, 128, 128 );
99 fl_set_object_color( result, FL_FREE_COL1, FL_FREE_COL1 );
100 fl_set_object_dblbuffer( result, 1 );
101
102 fl_end_form( );
103 }
104
105
106 /***************************************
107 ***************************************/
108
109 int
main(int argc,char * argv[])110 main( int argc,
111 char * argv[ ] )
112 {
113 fl_initialize( &argc, argv, "ColorEditor", 0, 0 );
114 makeform( );
115
116 fl_show_form( form, FL_PLACE_MOUSE, FL_TRANSIENT, "Color Editor" );
117 fl_do_forms( );
118
119 fl_finish();
120 return 0;
121 }
122
123
124 /*
125 * Local variables:
126 * tab-width: 4
127 * indent-tabs-mode: nil
128 * End:
129 */
130