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//
// "$Id$"
//
// Fl_Wizard widget routines.
//
// Copyright 1997-2009 by Easy Software Products.
//
// 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 on the following page:
//
// http://www.fltk.org/str.php
//
// Contents:
//
// Fl_Wizard::Fl_Wizard() - Create an Fl_Wizard widget.
// Fl_Wizard::draw() - Draw the wizard border and visible child.
// Fl_Wizard::next() - Show the next child.
// Fl_Wizard::prev() - Show the previous child.
// Fl_Wizard::value() - Return the current visible child.
// Fl_Wizard::value() - Set the visible child.
//
//
// Include necessary header files...
//
#include <FL/Fl_Wizard.H>
#include <FL/Fl_Window.H>
#include <FL/fl_draw.H>
//
// 'Fl_Wizard::Fl_Wizard()' - Create an Fl_Wizard widget.
//
/**
The constructor creates the Fl_Wizard widget at the specified
position and size.
<P>The inherited destructor destroys the widget and its children.
*/
Fl_Wizard::Fl_Wizard(int xx, // I - Lefthand position
int yy, // I - Upper position
int ww, // I - Width
int hh, // I - Height
const char *l) : // I - Label
Fl_Group(xx, yy, ww, hh, l)
{
box(FL_THIN_UP_BOX);
value_ = (Fl_Widget *)0;
}
//
/** Draws the wizard border and visible child. */
void Fl_Wizard::draw() {
Fl_Widget *kid; // Visible child
kid = value();
if (damage() & FL_DAMAGE_ALL)
{
// Redraw everything...
if (kid)
{
draw_box(box(), x(), y(), w(), h(), kid->color());
draw_child(*kid);
}
else
draw_box(box(), x(), y(), w(), h(), color());
}
else if (kid)
update_child(*kid);
}
/**
This method shows the next child of the wizard. If the last child
is already visible, this function does nothing.
*/
void Fl_Wizard::next() {
int num_kids;
Fl_Widget * const *kids;
if ((num_kids = children()) == 0)
return;
for (kids = array(); num_kids > 0; kids ++, num_kids --)
if ((*kids)->visible())
break;
if (num_kids > 1)
value(kids[1]);
}
/** Shows the previous child.*/
void Fl_Wizard::prev()
{
int num_kids;
Fl_Widget * const *kids;
if ((num_kids = children()) == 0)
return;
for (kids = array(); num_kids > 0; kids ++, num_kids --)
if ((*kids)->visible())
break;
if (num_kids > 0 && num_kids < children())
value(kids[-1]);
}
/** Gets the current visible child widget. */
Fl_Widget* Fl_Wizard::value()
{
int num_kids;
Fl_Widget * const *kids;
Fl_Widget *kid;
if ((num_kids = children()) == 0)
return ((Fl_Widget *)0);
for (kids = array(), kid = (Fl_Widget *)0; num_kids > 0; kids ++, num_kids --)
{
if ((*kids)->visible())
{
if (kid)
(*kids)->hide();
else
kid = *kids;
}
}
if (!kid)
{
kids --;
kid = *kids;
kid->show();
}
return (kid);
}
/** Sets the child widget that is visible.*/
void Fl_Wizard::value(Fl_Widget *kid)
{
int num_kids;
Fl_Widget * const *kids;
if ((num_kids = children()) == 0)
return;
for (kids = array(); num_kids > 0; kids ++, num_kids --)
{
if (*kids == kid)
{
if (!kid->visible())
kid->show();
}
else
(*kids)->hide();
}
// This will restore the mouse pointer to the window's default cursor
// whenever the wizard pane is changed. Otherwise text widgets that
// show the next pane may leave the cursor set to the I beam, etc...
if (window()) window()->cursor(FL_CURSOR_DEFAULT);
}
//
// End of "$Id$".
//
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