1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
* This file is part of XForms.
*
* XForms is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1, or
* (at your option) any later version.
*
* XForms is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with XForms; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
/* This is an example of the use of dials.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include "include/forms.h"
FL_FORM *form;
FL_OBJECT *dial[ 3 ],
*text[ 3 ],
*result;
enum {
RED,
GREEN,
BLUE
};
/***************************************
***************************************/
static void
dial_callback( FL_OBJECT * obj FL_UNUSED_ARG,
long arg )
{
int clr[ 3 ];
size_t i;
char str[ 60 ];
for ( i = RED; i <= BLUE; i++ )
clr[ i ] = fl_get_dial_value( dial[ i ] );
sprintf( str, "%d", clr[ arg ] );
fl_set_object_label( text[ arg ], str );
fl_mapcolor( FL_FREE_COL1, clr[ 0 ], clr[ 1 ], clr[ 2 ] );
fl_redraw_object( result );
}
/***************************************
***************************************/
static void
makeform( void )
{
FL_OBJECT *quit;
size_t i;
const char *txt[ ] = { "Red", "Green", "Blue" };
FL_COLOR clr[ ] = { FL_RED, FL_GREEN, FL_BLUE };
form = fl_bgn_form( FL_UP_BOX, 300, 330 );
quit = fl_add_button( FL_NORMAL_BUTTON, 45, 15, 210, 45, "A Color Editor" );
fl_set_object_lsize( quit, FL_LARGE_SIZE );
for ( i = RED; i <= BLUE; i++ )
{
dial[ i ] = fl_add_dial( FL_LINE_DIAL, 30, 240 - i * 85, 60, 60,
txt[ i ] );
fl_set_dial_bounds( dial[ i ], 0.0, 255.0 );
fl_set_dial_angles( dial[ i ], 15.0, 345.0 );
fl_set_dial_value( dial[ i ], 128.0 );
fl_set_object_color( dial[ i ], clr[ i ], FL_DIAL_COL2 );
fl_set_object_return( dial[ i ], FL_RETURN_CHANGED );
fl_set_object_callback( dial[ i ], dial_callback, i );
text[ i ] = fl_add_box( FL_DOWN_BOX, 105, 255 - i * 85, 50, 25, "128" );
}
result = fl_add_box( FL_DOWN_BOX, 180, 70, 90, 245, "" );
fl_mapcolor( FL_FREE_COL1, 128, 128, 128 );
fl_set_object_color( result, FL_FREE_COL1, FL_FREE_COL1 );
fl_set_object_dblbuffer( result, 1 );
fl_end_form( );
}
/***************************************
***************************************/
int
main( int argc,
char * argv[ ] )
{
fl_initialize( &argc, argv, "ColorEditor", 0, 0 );
makeform( );
fl_show_form( form, FL_PLACE_MOUSE, FL_TRANSIENT, "Color Editor" );
fl_do_forms( );
fl_finish();
return 0;
}
|
