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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
//
// "$Id$"
//
// Lighted button widget for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2015 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
// Subclass of Fl_Button where the "box" indicates whether it is
// pushed or not, and the "down box" is drawn small and square on
// the left to indicate the current state.
// The default down_box of zero draws a rectangle designed to look
// just like Flame's buttons.
#include <FL/Fl.H>
#include <FL/Fl_Light_Button.H>
#include <FL/Fl_Radio_Light_Button.H>
#include <FL/fl_draw.H>
#include "flstring.h"
void Fl_Light_Button::draw() {
if (box()) draw_box(this==Fl::pushed() ? fl_down(box()) : box(), color());
Fl_Color col = value() ? (active_r() ? selection_color() :
fl_inactive(selection_color())) : color();
int W = labelsize();
int bx = Fl::box_dx(box()); // box frame width
int dx = bx + 2; // relative position of check mark etc.
int dy = (h() - W) / 2; // neg. offset o.k. for vertical centering
int lx = 0; // relative label position (STR #3237)
if (down_box()) {
// draw other down_box() styles:
switch (down_box()) {
case FL_DOWN_BOX :
case FL_UP_BOX :
case _FL_PLASTIC_DOWN_BOX :
case _FL_PLASTIC_UP_BOX :
// Check box...
draw_box(down_box(), x()+dx, y()+dy, W, W, FL_BACKGROUND2_COLOR);
if (value()) {
if (Fl::is_scheme("gtk+")) {
fl_color(FL_SELECTION_COLOR);
} else {
fl_color(col);
}
int tx = x() + dx + 3;
int tw = W - 6;
int d1 = tw/3;
int d2 = tw-d1;
int ty = y() + dy + (W+d2)/2-d1-2;
for (int n = 0; n < 3; n++, ty++) {
fl_line(tx, ty, tx+d1, ty+d1);
fl_line(tx+d1, ty+d1, tx+tw-1, ty+d1-d2+1);
}
}
break;
case _FL_ROUND_DOWN_BOX :
case _FL_ROUND_UP_BOX :
// Radio button...
draw_box(down_box(), x()+dx, y()+dy, W, W, FL_BACKGROUND2_COLOR);
if (value()) {
int tW = (W - Fl::box_dw(down_box())) / 2 + 1;
if ((W - tW) & 1) tW++; // Make sure difference is even to center
int tdx = dx + (W - tW) / 2;
int tdy = dy + (W - tW) / 2;
if (Fl::is_scheme("gtk+")) {
fl_color(FL_SELECTION_COLOR);
tW --;
fl_pie(x() + tdx - 1, y() + tdy - 1, tW + 3, tW + 3, 0.0, 360.0);
fl_color(fl_color_average(FL_WHITE, FL_SELECTION_COLOR, 0.2f));
} else fl_color(col);
switch (tW) {
// Larger circles draw fine...
default :
fl_pie(x() + tdx, y() + tdy, tW, tW, 0.0, 360.0);
break;
// Small circles don't draw well on many systems...
case 6 :
fl_rectf(x() + tdx + 2, y() + tdy, tW - 4, tW);
fl_rectf(x() + tdx + 1, y() + tdy + 1, tW - 2, tW - 2);
fl_rectf(x() + tdx, y() + tdy + 2, tW, tW - 4);
break;
case 5 :
case 4 :
case 3 :
fl_rectf(x() + tdx + 1, y() + tdy, tW - 2, tW);
fl_rectf(x() + tdx, y() + tdy + 1, tW, tW - 2);
break;
case 2 :
case 1 :
fl_rectf(x() + tdx, y() + tdy, tW, tW);
break;
}
if (Fl::is_scheme("gtk+")) {
fl_color(fl_color_average(FL_WHITE, FL_SELECTION_COLOR, 0.5));
fl_arc(x() + tdx, y() + tdy, tW + 1, tW + 1, 60.0, 180.0);
}
}
break;
default :
draw_box(down_box(), x()+dx, y()+dy, W, W, col);
break;
}
lx = dx + W + 2;
} else {
// if down_box() is zero, draw light button style:
int hh = h()-2*dy - 2;
int ww = W/2+1;
int xx = dx;
if (w()<ww+2*xx) xx = (w()-ww)/2;
if (Fl::is_scheme("plastic")) {
col = active_r() ? selection_color() : fl_inactive(selection_color());
fl_color(value() ? col : fl_color_average(col, FL_BLACK, 0.5f));
fl_pie(x()+xx, y()+dy+1, ww, hh, 0, 360);
} else {
draw_box(FL_THIN_DOWN_BOX, x()+xx, y()+dy+1, ww, hh, col);
}
lx = dx + ww + 2;
}
draw_label(x()+lx, y(), w()-lx-bx, h());
if (Fl::focus() == this) draw_focus();
}
int Fl_Light_Button::handle(int event) {
switch (event) {
case FL_RELEASE:
if (box()) redraw();
default:
return Fl_Button::handle(event);
}
}
/**
Creates a new Fl_Light_Button widget using the given
position, size, and label string.
<P>The destructor deletes the check button.
*/
Fl_Light_Button::Fl_Light_Button(int X, int Y, int W, int H, const char* l)
: Fl_Button(X, Y, W, H, l) {
type(FL_TOGGLE_BUTTON);
selection_color(FL_YELLOW);
align(FL_ALIGN_LEFT|FL_ALIGN_INSIDE);
}
Fl_Radio_Light_Button::Fl_Radio_Light_Button(int X,int Y,int W,int H,const char *l)
: Fl_Light_Button(X,Y,W,H,l)
{
type(FL_RADIO_BUTTON);
}
//
// End of "$Id$".
//
|