mirror of https://github.com/fltk/fltk
187 lines
3.7 KiB
C++
187 lines
3.7 KiB
C++
//
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// "$Id$"
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//
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// Fl_Wizard widget routines.
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//
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// Copyright 1997-2010 by Easy Software Products.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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// Contents:
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//
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// Fl_Wizard::Fl_Wizard() - Create an Fl_Wizard widget.
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// Fl_Wizard::draw() - Draw the wizard border and visible child.
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// Fl_Wizard::next() - Show the next child.
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// Fl_Wizard::prev() - Show the previous child.
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// Fl_Wizard::value() - Return the current visible child.
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// Fl_Wizard::value() - Set the visible child.
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//
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//
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// Include necessary header files...
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//
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#include <FL/Fl_Wizard.H>
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#include <FL/Fl_Window.H>
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#include <FL/fl_draw.H>
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//
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// 'Fl_Wizard::Fl_Wizard()' - Create an Fl_Wizard widget.
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//
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/**
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The constructor creates the Fl_Wizard widget at the specified
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position and size.
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<P>The inherited destructor destroys the widget and its children.
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*/
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Fl_Wizard::Fl_Wizard(int xx, // I - Lefthand position
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int yy, // I - Upper position
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int ww, // I - Width
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int hh, // I - Height
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const char *l) : // I - Label
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Fl_Group(xx, yy, ww, hh, l)
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{
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box(FL_THIN_UP_BOX);
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value_ = (Fl_Widget *)0;
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}
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//
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/** Draws the wizard border and visible child. */
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void Fl_Wizard::draw() {
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Fl_Widget *kid; // Visible child
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kid = value();
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if (damage() & FL_DAMAGE_ALL)
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{
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// Redraw everything...
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if (kid)
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{
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draw_box(box(), x(), y(), w(), h(), kid->color());
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draw_child(*kid);
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}
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else
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draw_box(box(), x(), y(), w(), h(), color());
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}
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else if (kid)
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update_child(*kid);
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}
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/**
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This method shows the next child of the wizard. If the last child
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is already visible, this function does nothing.
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*/
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void Fl_Wizard::next() {
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int num_kids;
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Fl_Widget * const *kids;
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if ((num_kids = children()) == 0)
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return;
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for (kids = array(); num_kids > 0; kids ++, num_kids --)
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if ((*kids)->visible())
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break;
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if (num_kids > 1)
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value(kids[1]);
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}
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/** Shows the previous child.*/
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void Fl_Wizard::prev()
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{
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int num_kids;
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Fl_Widget * const *kids;
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if ((num_kids = children()) == 0)
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return;
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for (kids = array(); num_kids > 0; kids ++, num_kids --)
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if ((*kids)->visible())
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break;
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if (num_kids > 0 && num_kids < children())
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value(kids[-1]);
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}
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/** Gets the current visible child widget. */
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Fl_Widget* Fl_Wizard::value()
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{
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int num_kids;
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Fl_Widget * const *kids;
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Fl_Widget *kid;
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if ((num_kids = children()) == 0)
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return ((Fl_Widget *)0);
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for (kids = array(), kid = (Fl_Widget *)0; num_kids > 0; kids ++, num_kids --)
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{
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if ((*kids)->visible())
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{
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if (kid)
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(*kids)->hide();
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else
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kid = *kids;
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}
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}
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if (!kid)
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{
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kids --;
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kid = *kids;
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kid->show();
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}
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return (kid);
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}
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/** Sets the child widget that is visible.*/
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void Fl_Wizard::value(Fl_Widget *kid)
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{
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int num_kids;
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Fl_Widget * const *kids;
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if ((num_kids = children()) == 0)
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return;
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for (kids = array(); num_kids > 0; kids ++, num_kids --)
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{
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if (*kids == kid)
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{
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if (!kid->visible())
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kid->show();
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}
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else
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(*kids)->hide();
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}
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// This will restore the mouse pointer to the window's default cursor
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// whenever the wizard pane is changed. Otherwise text widgets that
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// show the next pane may leave the cursor set to the I beam, etc...
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if (window()) window()->cursor(FL_CURSOR_DEFAULT);
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}
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//
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// End of "$Id$".
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//
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