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- //
- // "$Id: Fl_Counter.cxx,v 1.8 1999/01/07 19:17:19 mike Exp $"
- //
- // Counter widget for the Fast Light Tool Kit (FLTK).
- //
- // Copyright 1998-1999 by Bill Spitzak and others.
- //
- // This library is free software; you can redistribute it and/or
- // modify it under the terms of the GNU Library General Public
- // License as published by the Free Software Foundation; either
- // version 2 of the License, or (at your option) any later version.
- //
- // This library 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
- // Library General Public License for more details.
- //
- // You should have received a copy of the GNU Library General Public
- // License along with this library; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- // USA.
- //
- // Please report all bugs and problems to "fltk-bugs@easysw.com".
- //
-
- #include <FL/Fl.H>
- #include <FL/Fl_Counter.H>
- #include <FL/fl_draw.H>
-
- void Fl_Counter::draw() {
- int i; Fl_Boxtype boxtype[5];
- Fl_Color selcolor;
-
- boxtype[0] = box();
- if (boxtype[0] == FL_UP_BOX) boxtype[0] = FL_DOWN_BOX;
- for (i=1; i<5; i++)
- if (mouseobj == i)
- boxtype[i] = down(box());
- else
- boxtype[i] = box();
-
- int xx[5], ww[5];
- if (type() == FL_NORMAL_COUNTER) {
- int W = w()*15/100;
- xx[1] = x(); ww[1] = W;
- xx[2] = x()+1*W; ww[2] = W;
- xx[0] = x()+2*W; ww[0] = w()-4*W;
- xx[3] = x()+w()-2*W; ww[3] = W;
- xx[4] = x()+w()-1*W; ww[4] = W;
- } else {
- int W = w()*20/100;
- xx[2] = x(); ww[2] = W;
- xx[0] = x()+W; ww[0] = w()-2*W;
- xx[3] = x()+w()-1*W; ww[3] = W;
- }
-
- draw_box(boxtype[0], xx[0], y(), ww[0], h(), FL_WHITE);
- fl_font(textfont(), textsize());
- fl_color(active_r() ? textcolor() : inactive(textcolor()));
- char str[128]; format(str);
- fl_draw(str, xx[0], y(), ww[0], h(), FL_ALIGN_CENTER);
- if (!(damage()&FL_DAMAGE_ALL)) return; // only need to redraw text
-
- if (active_r())
- selcolor = labelcolor();
- else
- selcolor = inactive(labelcolor());
-
- if (type() == FL_NORMAL_COUNTER) {
- draw_box(boxtype[1], xx[1], y(), ww[1], h(), color());
- fl_draw_symbol("@-4<<", xx[1], y(), ww[1], h(), selcolor);
- }
- draw_box(boxtype[2], xx[2], y(), ww[2], h(), color());
- fl_draw_symbol("@-4<", xx[2], y(), ww[2], h(), selcolor);
- draw_box(boxtype[3], xx[3], y(), ww[3], h(), color());
- fl_draw_symbol("@-4>", xx[3], y(), ww[3], h(), selcolor);
- if (type() == FL_NORMAL_COUNTER) {
- draw_box(boxtype[4], xx[4], y(), ww[4], h(), color());
- fl_draw_symbol("@-4>>", xx[4], y(), ww[4], h(), selcolor);
- }
- }
-
- void Fl_Counter::increment_cb() {
- if (!mouseobj) return;
- double v = value();
- switch (mouseobj) {
- case 1: v -= lstep_; break;
- case 2: v = increment(v, -1); break;
- case 3: v = increment(v, 1); break;
- case 4: v += lstep_; break;
- }
- handle_drag(clamp(round(v)));
- }
-
- #define INITIALREPEAT .5
- #define REPEAT .1
-
- void Fl_Counter::repeat_callback(void* v) {
- Fl_Counter* b = (Fl_Counter*)v;
- if (b->mouseobj) {
- Fl::add_timeout(REPEAT, repeat_callback, b);
- b->increment_cb();
- }
- }
-
- int Fl_Counter::calc_mouseobj() {
- if (type() == FL_NORMAL_COUNTER) {
- int W = w()*15/100;
- if (Fl::event_inside(x(), y(), W, h())) return 1;
- if (Fl::event_inside(x()+W, y(), W, h())) return 2;
- if (Fl::event_inside(x()+w()-2*W, y(), W, h())) return 3;
- if (Fl::event_inside(x()+w()-W, y(), W, h())) return 4;
- } else {
- int W = w()*20/100;
- if (Fl::event_inside(x(), y(), W, h())) return 2;
- if (Fl::event_inside(x()+w()-W, y(), W, h())) return 3;
- }
- return -1;
- }
-
- int Fl_Counter::handle(int event) {
- int i;
- switch (event) {
- case FL_RELEASE:
- if (mouseobj) {
- Fl::remove_timeout(repeat_callback, this);
- mouseobj = 0;
- redraw();
- }
- handle_release();
- return 1;
- case FL_PUSH:
- handle_push();
- case FL_DRAG:
- i = calc_mouseobj();
- if (i != mouseobj) {
- Fl::remove_timeout(repeat_callback, this);
- mouseobj = i;
- if (i) Fl::add_timeout(INITIALREPEAT, repeat_callback, this);
- increment_cb();
- redraw();
- }
- return 1;
- default:
- return 0;
- }
- }
-
- Fl_Counter::~Fl_Counter() {
- Fl::remove_timeout(repeat_callback, this);
- }
-
- Fl_Counter::Fl_Counter(int x, int y, int w, int h, const char* l)
- : Fl_Valuator(x, y, w, h, l) {
- box(FL_UP_BOX);
- selection_color(FL_INACTIVE_COLOR); // was FL_BLUE
- align(FL_ALIGN_BOTTOM);
- bounds(-1000000.0, 1000000.0);
- Fl_Valuator::step(1, 10);
- lstep_ = 1.0;
- mouseobj = 0;
- textfont_ = FL_HELVETICA;
- textsize_ = FL_NORMAL_SIZE;
- textcolor_ = FL_BLACK;
- }
-
- //
- // End of "$Id: Fl_Counter.cxx,v 1.8 1999/01/07 19:17:19 mike Exp $".
- //
-