1 //
2 // "$Id: Fl_Counter.cxx 5190 2006-06-09 16:16:34Z mike $"
3 //
4 // Counter widget for the Fast Light Tool Kit (FLTK).
5 //
6 // Copyright 1998-2005 by Bill Spitzak and others.
7 //
8 // This library is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public
10 // License as published by the Free Software Foundation; either
11 // version 2 of the License, or (at your option) any later version.
12 //
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Library General Public License for more details.
17 //
18 // You should have received a copy of the GNU Library General Public
19 // License along with this library; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
21 // USA.
22 //
23 // Please report all bugs and problems on the following page:
24 //
25 // http://www.fltk.org/str.php
26 //
27
28 #include <FL/Fl.H>
29 #include <FL/Fl_Counter.H>
30 #include <FL/fl_draw.H>
31
draw()32 void Fl_Counter::draw() {
33 int i; Fl_Boxtype boxtype[5];
34 Fl_Color selcolor;
35
36 boxtype[0] = box();
37 if (boxtype[0] == FL_UP_BOX) boxtype[0] = FL_DOWN_BOX;
38 if (boxtype[0] == FL_THIN_UP_BOX) boxtype[0] = FL_THIN_DOWN_BOX;
39 for (i=1; i<5; i++)
40 if (mouseobj == i)
41 boxtype[i] = fl_down(box());
42 else
43 boxtype[i] = box();
44
45 int xx[5], ww[5];
46 if (type() == FL_NORMAL_COUNTER) {
47 int W = w()*15/100;
48 xx[1] = x(); ww[1] = W;
49 xx[2] = x()+1*W; ww[2] = W;
50 xx[0] = x()+2*W; ww[0] = w()-4*W;
51 xx[3] = x()+w()-2*W; ww[3] = W;
52 xx[4] = x()+w()-1*W; ww[4] = W;
53 } else {
54 int W = w()*20/100;
55 xx[1] = 0; ww[1] = 0;
56 xx[2] = x(); ww[2] = W;
57 xx[0] = x()+W; ww[0] = w()-2*W;
58 xx[3] = x()+w()-1*W; ww[3] = W;
59 xx[4] = 0; ww[4] = 0;
60 }
61
62 draw_box(boxtype[0], xx[0], y(), ww[0], h(), FL_BACKGROUND2_COLOR);
63 fl_font(textfont(), textsize());
64 fl_color(active_r() ? textcolor() : fl_inactive(textcolor()));
65 char str[128]; format(str);
66 fl_draw(str, xx[0], y(), ww[0], h(), FL_ALIGN_CENTER);
67 if (Fl::focus() == this) draw_focus(boxtype[0], xx[0], y(), ww[0], h());
68 if (!(damage()&FL_DAMAGE_ALL)) return; // only need to redraw text
69
70 if (active_r())
71 selcolor = labelcolor();
72 else
73 selcolor = fl_inactive(labelcolor());
74
75 if (type() == FL_NORMAL_COUNTER) {
76 draw_box(boxtype[1], xx[1], y(), ww[1], h(), color());
77 fl_draw_symbol("@-4<<", xx[1], y(), ww[1], h(), selcolor);
78 }
79 draw_box(boxtype[2], xx[2], y(), ww[2], h(), color());
80 fl_draw_symbol("@-4<", xx[2], y(), ww[2], h(), selcolor);
81 draw_box(boxtype[3], xx[3], y(), ww[3], h(), color());
82 fl_draw_symbol("@-4>", xx[3], y(), ww[3], h(), selcolor);
83 if (type() == FL_NORMAL_COUNTER) {
84 draw_box(boxtype[4], xx[4], y(), ww[4], h(), color());
85 fl_draw_symbol("@-4>>", xx[4], y(), ww[4], h(), selcolor);
86 }
87 }
88
increment_cb()89 void Fl_Counter::increment_cb() {
90 if (!mouseobj) return;
91 double v = value();
92 switch (mouseobj) {
93 case 1: v -= lstep_; break;
94 case 2: v = increment(v, -1); break;
95 case 3: v = increment(v, 1); break;
96 case 4: v += lstep_; break;
97 }
98 handle_drag(clamp(round(v)));
99 }
100
101 #define INITIALREPEAT .5
102 #define REPEAT .1
103
repeat_callback(void * v)104 void Fl_Counter::repeat_callback(void* v) {
105 Fl_Counter* b = (Fl_Counter*)v;
106 if (b->mouseobj) {
107 Fl::add_timeout(REPEAT, repeat_callback, b);
108 b->increment_cb();
109 }
110 }
111
calc_mouseobj()112 int Fl_Counter::calc_mouseobj() {
113 if (type() == FL_NORMAL_COUNTER) {
114 int W = w()*15/100;
115 if (Fl::event_inside(x(), y(), W, h())) return 1;
116 if (Fl::event_inside(x()+W, y(), W, h())) return 2;
117 if (Fl::event_inside(x()+w()-2*W, y(), W, h())) return 3;
118 if (Fl::event_inside(x()+w()-W, y(), W, h())) return 4;
119 } else {
120 int W = w()*20/100;
121 if (Fl::event_inside(x(), y(), W, h())) return 2;
122 if (Fl::event_inside(x()+w()-W, y(), W, h())) return 3;
123 }
124 return -1;
125 }
126
handle(int event)127 int Fl_Counter::handle(int event) {
128 int i;
129 switch (event) {
130 case FL_RELEASE:
131 if (mouseobj) {
132 Fl::remove_timeout(repeat_callback, this);
133 mouseobj = 0;
134 redraw();
135 }
136 handle_release();
137 return 1;
138 case FL_PUSH:
139 if (Fl::visible_focus()) Fl::focus(this);
140 handle_push();
141 case FL_DRAG:
142 i = calc_mouseobj();
143 if (i != mouseobj) {
144 Fl::remove_timeout(repeat_callback, this);
145 mouseobj = (uchar)i;
146 if (i) Fl::add_timeout(INITIALREPEAT, repeat_callback, this);
147 increment_cb();
148 redraw();
149 }
150 return 1;
151 case FL_KEYBOARD :
152 switch (Fl::event_key()) {
153 case FL_Left:
154 handle_drag(clamp(increment(value(),-1)));
155 return 1;
156 case FL_Right:
157 handle_drag(clamp(increment(value(),1)));
158 return 1;
159 default:
160 return 0;
161 }
162 // break not required because of switch...
163 case FL_FOCUS :
164 case FL_UNFOCUS :
165 if (Fl::visible_focus()) {
166 redraw();
167 return 1;
168 } else return 0;
169 case FL_ENTER :
170 case FL_LEAVE :
171 return 1;
172 default:
173 return 0;
174 }
175 }
176
~Fl_Counter()177 Fl_Counter::~Fl_Counter() {
178 Fl::remove_timeout(repeat_callback, this);
179 }
180
Fl_Counter(int X,int Y,int W,int H,const char * l)181 Fl_Counter::Fl_Counter(int X, int Y, int W, int H, const char* l)
182 : Fl_Valuator(X, Y, W, H, l) {
183 box(FL_UP_BOX);
184 selection_color(FL_INACTIVE_COLOR); // was FL_BLUE
185 align(FL_ALIGN_BOTTOM);
186 bounds(-1000000.0, 1000000.0);
187 Fl_Valuator::step(1, 10);
188 lstep_ = 1.0;
189 mouseobj = 0;
190 textfont_ = FL_HELVETICA;
191 textsize_ = (uchar)FL_NORMAL_SIZE;
192 textcolor_ = FL_FOREGROUND_COLOR;
193 }
194
195 //
196 // End of "$Id: Fl_Counter.cxx 5190 2006-06-09 16:16:34Z mike $".
197 //
198