fdcdc8fd46
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@1833 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
143 lines
4.1 KiB
C++
143 lines
4.1 KiB
C++
//
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// "$Id: Fl_Button.cxx,v 1.4.2.6.2.6 2001/12/11 16:03:11 easysw Exp $"
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//
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// Button widget for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2001 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems to "fltk-bugs@fltk.org".
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//
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#include <FL/Fl.H>
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#include <FL/Fl_Button.H>
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#include <FL/Fl_Group.H>
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// There are a lot of subclasses, named Fl_*_Button. Some of
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// them are implemented by setting the type() value and testing it
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// here. This includes Fl_Radio_Button and Fl_Toggle_Button
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int Fl_Button::value(int v) {
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v = v ? 1 : 0;
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oldval = v;
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clear_changed();
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if (value_ != v) {value_ = v; redraw(); return 1;}
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else return 0;
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}
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void Fl_Button::setonly() { // set this radio button on, turn others off
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value(1);
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Fl_Group* g = (Fl_Group*)parent();
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Fl_Widget*const* a = g->array();
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for (int i = g->children(); i--;) {
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Fl_Widget* o = *a++;
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if (o != this && o->type()==FL_RADIO_BUTTON) ((Fl_Button*)o)->value(0);
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}
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}
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void Fl_Button::draw() {
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if (type() == FL_HIDDEN_BUTTON) return;
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Fl_Color col = value() ? selection_color() : color();
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//if (col == FL_GRAY && Fl::belowmouse()==this) col = FL_LIGHT1;
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draw_box(value() ? (down_box()?down_box():down(box())) : box(), col);
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draw_label();
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if (Fl::focus() == this) draw_focus();
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}
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int Fl_Button::handle(int event) {
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int newval;
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switch (event) {
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case FL_ENTER:
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case FL_LEAVE:
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// if ((value_?selection_color():color())==FL_GRAY) redraw();
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return 1;
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case FL_PUSH:
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if (Fl::visible_focus()) take_focus();
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case FL_DRAG:
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if (Fl::event_inside(this)) {
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if (type() == FL_RADIO_BUTTON) newval = 1;
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else newval = !oldval;
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} else
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newval = oldval;
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if (newval != value_) {
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value_ = newval;
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redraw();
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if (when() & FL_WHEN_CHANGED) do_callback();
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}
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return 1;
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case FL_RELEASE:
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if (value_ == oldval) {
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if (when() & FL_WHEN_NOT_CHANGED) do_callback();
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return 1;
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}
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if (type() == FL_RADIO_BUTTON)
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setonly();
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else if (type() == FL_TOGGLE_BUTTON)
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oldval = value_;
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else {
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value(oldval);
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if (when() & FL_WHEN_CHANGED) do_callback();
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}
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if (when() & FL_WHEN_RELEASE) do_callback(); else set_changed();
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return 1;
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case FL_SHORTCUT:
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if (!(shortcut() ?
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Fl::test_shortcut(shortcut()) : test_shortcut())) return 0;
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if (type() == FL_RADIO_BUTTON && !value_) {
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setonly();
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if (when() & FL_WHEN_CHANGED) do_callback();
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} else if (type() == FL_TOGGLE_BUTTON) {
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value(!value());
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if (when() & FL_WHEN_CHANGED) do_callback();
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}
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if (when() & FL_WHEN_RELEASE) do_callback(); else set_changed();
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return 1;
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case FL_FOCUS :
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case FL_UNFOCUS :
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if (Fl::visible_focus()) {
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redraw();
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return 1;
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} else return 0;
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case FL_KEYBOARD :
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if (Fl::focus() == this && Fl::event_key() == ' ') {
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if (type() == FL_RADIO_BUTTON && !value_) {
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setonly();
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if (when() & FL_WHEN_CHANGED) do_callback();
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} else if (type() == FL_TOGGLE_BUTTON) {
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value(!value());
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if (when() & FL_WHEN_CHANGED) do_callback();
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}
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if (when() & FL_WHEN_RELEASE) do_callback(); else set_changed();
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return 1;
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}
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default:
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return 0;
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}
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}
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Fl_Button::Fl_Button(int x,int y,int w,int h, const char *l)
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: Fl_Widget(x,y,w,h,l) {
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box(FL_UP_BOX);
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down_box(FL_NO_BOX);
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value_ = oldval = 0;
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shortcut_ = 0;
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set_flag(SHORTCUT_LABEL);
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}
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//
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// End of "$Id: Fl_Button.cxx,v 1.4.2.6.2.6 2001/12/11 16:03:11 easysw Exp $".
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//
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