1 /*
2 * This file is part of the XForms library package.
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 License
15 * along with XForms. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18
19 /**
20 * \file roundbut.c
21 *
22 * This file is part of the XForms library package.
23 * Copyright (c) 1996-2002 T.C. Zhao and Mark Overmars
24 * All rights reserved.
25 */
26
27 #ifdef HAVE_CONFIG_H
28 #include "config.h"
29 #endif
30
31 #include <sys/types.h>
32 #include "include/forms.h"
33 #include "flinternal.h"
34
35
36 /***************************************
37 * Draws a round button
38 ***************************************/
39
40 static void
draw_roundbutton(FL_OBJECT * ob)41 draw_roundbutton( FL_OBJECT * ob )
42 {
43 int c1;
44 FL_Coord xx,
45 yy,
46 rr;
47 FL_BUTTON_STRUCT *sp = ob->spec;
48
49 if ( sp->event == FL_ENTER || sp->event == FL_LEAVE )
50 return;
51
52 c1 = ob->belowmouse ? FL_ROUNDBUTTON_MCOL : FL_ROUNDBUTTON_TOPCOL;
53
54 fl_draw_box( ob->boxtype, ob->x, ob->y, ob->w, ob->h, c1, ob->bw );
55
56 rr = 0.3 * FL_min( ob->w, ob->h ) + 0.5;
57 xx = ob->x + rr + 4.1;
58 yy = ob->y + 0.5 * ob->h;
59
60 fl_circf( xx, yy, rr, ob->col1 );
61 fl_circ( xx, yy, rr, FL_BLACK );
62
63 if ( sp->val )
64 {
65 fl_circf( xx, yy, ( int ) ( 0.8 * rr ), ob->col2 );
66 fl_circ( xx, yy, ( int ) ( 0.8 * rr ), FL_BLACK );
67 }
68
69 if ( fl_is_center_lalign( ob->align ) )
70 fl_draw_text( FL_ALIGN_LEFT, xx + rr + 1, ob->y, 0, ob->h,
71 ob->lcol, ob->lstyle, ob->lsize, ob->label );
72 else
73 fl_draw_object_label_outside( ob );
74
75 if ( ob->type == FL_RETURN_BUTTON )
76 fl_draw_text( 0,
77 ob->x + ob->w - 0.8 * ob->h, ob->y + 0.2 * ob->h,
78 0.6 * ob->h, 0.6 * ob->h, ob->lcol, 0, 0,
79 "@returnarrow" );
80 }
81
82
83 /***************************************
84 * Creates an object
85 ***************************************/
86
87 FL_OBJECT *
fl_create_roundbutton(int type,FL_Coord x,FL_Coord y,FL_Coord w,FL_Coord h,const char * label)88 fl_create_roundbutton( int type,
89 FL_Coord x,
90 FL_Coord y,
91 FL_Coord w,
92 FL_Coord h,
93 const char * label )
94 {
95 FL_OBJECT *ob;
96
97 fl_add_button_class( FL_ROUNDBUTTON, draw_roundbutton, 0 );
98 ob = fl_create_generic_button( FL_ROUNDBUTTON, type, x, y, w, h, label );
99
100 ob->boxtype = FL_ROUNDBUTTON_BOXTYPE;
101 ob->col1 = FL_ROUNDBUTTON_COL1;
102 ob->col2 = FL_ROUNDBUTTON_COL2;
103 ob->align = FL_ROUNDBUTTON_ALIGN;
104 ob->lcol = FL_ROUNDBUTTON_LCOL;
105
106 return ob;
107 }
108
109
110 /***************************************
111 * Adds an object
112 ***************************************/
113
114 FL_OBJECT *
fl_add_roundbutton(int type,FL_Coord x,FL_Coord y,FL_Coord w,FL_Coord h,const char * label)115 fl_add_roundbutton( int type,
116 FL_Coord x,
117 FL_Coord y,
118 FL_Coord w,
119 FL_Coord h,
120 const char * label )
121 {
122 FL_OBJECT *ob = fl_create_roundbutton( type, x, y, w, h, label );
123
124 fl_add_object( fl_current_form, ob );
125 return ob;
126 }
127
128
129 /*
130 * Local variables:
131 * tab-width: 4
132 * indent-tabs-mode: nil
133 * End:
134 */
135