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 #ifdef HAVE_CONFIG_H
24 #include "config.h"
25 #endif
26
27 #include <stdio.h>
28 #include "include/forms.h"
29
30 FL_FORM *form;
31 FL_OBJECT * dials[ 3 ],
32 * texts[ 3 ],
33 * result;
34
35
36 /***************************************
37 ***************************************/
38
39 void
cb(FL_OBJECT * obj,long data)40 cb( FL_OBJECT * obj,
41 long data )
42 {
43 static int cols[ 3 ] = { 128, 128, 128 };
44 char str[ 4 ];
45
46 cols[ data ] = fl_get_dial_value( obj );
47 fl_mapcolor( FL_FREE_COL1, cols[ 0 ], cols[ 1 ], cols[ 2 ] );
48 fl_redraw_object( result );
49 sprintf( str, "%d", cols[ data ] );
50 fl_set_object_label( texts[ data ], str );
51
52 }
53
54
55 /***************************************
56 ***************************************/
57
58 void
makeform(void)59 makeform( void )
60 {
61 FL_OBJECT *obj;
62 const char *label[ 3 ] = { "Red", "Green", "Blue" };
63 FL_COLOR col[ 3 ] = { FL_RED, FL_GREEN, FL_BLUE };
64 int i;
65 int y = 70;
66
67 form = fl_bgn_form( FL_UP_BOX, 300, 330 );
68
69 obj = fl_add_button( FL_NORMAL_BUTTON, 45, 15, 210, 45, "Color Editor" );
70 fl_set_object_lsize( obj, FL_LARGE_SIZE );
71
72 for ( i = 0; i < 3; y += 85, i++ )
73 {
74 dials[ i ] = obj = fl_add_dial( FL_NORMAL_DIAL, 30, y, 60, 60,
75 label[ i ] );
76 fl_set_object_boxtype( obj, FL_UP_BOX );
77 fl_set_dial_bounds( obj, 0.0, 255.0 );
78 fl_set_dial_value( obj, 128.0 );
79 fl_set_object_color( obj, col[ i ], FL_DIAL_COL2 );
80 fl_set_object_callback( obj, cb, i );
81 fl_set_object_return( obj, FL_RETURN_CHANGED );
82
83 texts[ i ] = fl_add_box( FL_DOWN_BOX, 105, y + 17, 50, 25, "128" );
84 }
85
86 result = fl_add_box( FL_DOWN_BOX, 180, 70, 90, 245, "" );
87 fl_set_object_color( result, FL_FREE_COL1, FL_FREE_COL1 );
88 fl_mapcolor( FL_FREE_COL1, 128, 128, 128 );
89 fl_set_object_dblbuffer( result, 1 ); /* to avoid flicker */
90
91 fl_end_form( );
92 }
93
94
95 /***************************************
96 ***************************************/
97
98 int
main(int argc,char * argv[])99 main( int argc,
100 char * argv[ ] )
101 {
102 fl_initialize( &argc, argv, "FormDemo", 0, 0 );
103 makeform( );
104
105 fl_show_form( form, FL_PLACE_MOUSE, FL_TRANSIENT, "A Form" );
106
107 fl_do_forms( );
108
109 fl_finish( );
110 return 0;
111 }
112
113
114 /*
115 * Local variables:
116 * tab-width: 4
117 * indent-tabs-mode: nil
118 * End:
119 */
120