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//
// "$Id$"
//
// An input/chooser widget.
// ______________ ____
// | || __ |
// | input area || \/ |
// |______________||____|
//
// Copyright 1998-2005 by Bill Spitzak and others.
// Copyright 2004 by Greg Ercolano.
//
// 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@fltk.org".
//
#ifndef Fl_Input_Choice_H
#define Fl_Input_Choice_H
#include <FL/Fl.H>
#include <FL/Fl_Input.H>
#include <FL/Fl_Menu_Button.H>
#include <FL/fl_draw.H>
class Fl_Input_Choice : public Fl_Group {
// Private class to handle slightly 'special' behavior of menu button
class InputMenuButton : public Fl_Menu_Button {
void draw() {
draw_box(FL_UP_BOX, color());
fl_color(active_r() ? labelcolor() : fl_inactive(labelcolor()));
int xc = x()+w()/2, yc=y()+h()/2;
fl_polygon(xc-5,yc-3,xc+5,yc-3,xc,yc+3);
if (Fl::focus() == this) draw_focus();
}
public:
InputMenuButton(int x,int y,int w,int h,const char*l=0) :
Fl_Menu_Button(x,y,w,h,l) { box(FL_UP_BOX); }
};
Fl_Input *inp_;
InputMenuButton *menu_;
static void menu_cb(Fl_Widget*, void *data) {
Fl_Input_Choice *o=(Fl_Input_Choice *)data;
o->inp_->value(o->menu_->text());
o->do_callback();
}
static void inp_cb(Fl_Widget*, void *data) {
Fl_Input_Choice *o=(Fl_Input_Choice *)data;
o->do_callback();
}
// Custom resize behavior -- input stretches, menu button doesn't
inline int inp_x() { return(x() + Fl::box_dx(box())); }
inline int inp_y() { return(y() + Fl::box_dy(box())); }
inline int inp_w() { return(w() - Fl::box_dw(box()) - 20); }
inline int inp_h() { return(h() - Fl::box_dh(box())); }
inline int menu_x() { return(x() + w() - 20 - Fl::box_dx(box())); }
inline int menu_y() { return(y() + Fl::box_dy(box()) + (Fl::scheme()?1:0)); }
inline int menu_w() { return(20); }
inline int menu_h() { return(h() - Fl::box_dh(box()) - (Fl::scheme()?1:0)); }
public:
Fl_Input_Choice (int x,int y,int w,int h,const char*l=0) : Fl_Group(x,y,w,h,l) {
Fl_Group::box(FL_DOWN_BOX);
align(FL_ALIGN_LEFT); // default like Fl_Input
inp_ = new Fl_Input(inp_x(), inp_y(),
inp_w(), inp_h());
inp_->callback(inp_cb, (void*)this);
inp_->box(FL_FLAT_BOX); // cosmetic
menu_ = new InputMenuButton(menu_x(), menu_y(),
menu_w(), menu_h());
menu_->callback(menu_cb, (void*)this);
menu_->box(FL_FLAT_BOX); // cosmetic
end();
}
void add(const char *s) {
menu_->add(s);
}
void clear() {
menu_->clear();
}
const Fl_Menu_Item *menu() {
return (menu_->menu());
}
void menu(const Fl_Menu_Item *m) {
menu_->menu(m);
}
void resize(int X, int Y, int W, int H) {
Fl_Group::resize(X,Y,W,H);
inp_->resize(inp_x(), inp_y(), inp_w(), inp_h());
menu_->resize(menu_x(), menu_y(), menu_w(), menu_h());
}
const char* value() const {
return(inp_->value());
}
void value(const char *val) {
inp_->value(val);
}
void value(int val) {
menu_->value(val);
inp_->value(menu_->text(val));
}
Fl_Menu_Button *menubutton() { return menu_; }
Fl_Input *input() { return inp_; }
};
#endif // !Fl_Input_Choice_H
//
// End of "$Id$".
//
|
