File: boxtype.cxx

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//
// "$Id$"
//
// Boxtype test program for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2015 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file.  If this
// file is missing or damaged, see the license at:
//
//     http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
//     http://www.fltk.org/str.php
//

#include <stdlib.h>
#include <stdio.h>
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Box.H>
#include <FL/fl_draw.H>

int N = 0;
#define W 200
#define H 50
#define ROWS 14

// Note: Run the program with command line '-s abc' to view boxtypes
// with scheme 'abc'.

// class BoxGroup - minimal class to enable visible box size debugging
//
// Set the following static variables to 0 (default) to disable
// or 1 to enable the given feature.
//
// If you enable the 'outline' variable, then a red frame should be drawn
// around each box, and it should ideally be fully visible.
//
// The white background is optional (otherwise you see the window background).
//
// Set BOTH variables = 0 to show the default image for the FLTK manual.
//
// Note: As of FLTK 1.3.3 (probably since FLTK 1.0/1.1) there are some
// shadows 'leaking' outside their widget bounding boxes (x,y,w,h).
// Is this intentional?

static const int outline = 0; // draw 1-px red frame around all boxes
static const int box_bg  = 0; // draw white background inside all boxes
static const int inactive  = 0; // deactivate boxes and use green background

class BoxGroup : public Fl_Group {
  public:
    BoxGroup(int x, int y, int w, int h) : Fl_Group(x,y,w,h) {};
    void draw() {
      draw_box();
      if (outline + box_bg) { // outline or box_bg or both
	Fl_Widget*const* a = array();
	for (int i=children(); i--;) {
	  Fl_Widget& o = **a++;
	  if (outline) {
	    fl_color(FL_RED);
	    fl_rect(o.x()-1,o.y()-1,o.w()+2,o.h()+2);
	  }
	  if (box_bg) {
	    fl_color(FL_WHITE);
	    fl_rectf(o.x(),o.y(),o.w(),o.h());
	  }
	  fl_color(FL_BLACK);
	}
      } // outline or box_bg or both
      Fl_Group::draw_children();
    } // draw()
}; // class BoxGroup

Fl_Double_Window *window;

void bt(const char *name, Fl_Boxtype type, int square=0) {
  int x = N%4;
  int y = N/4;
  N++;
  x = x*W+10;
  y = y*H+10;
  Fl_Box *b = new Fl_Box(type,x,y,square ? H-20 : W-20,H-20,name);
  b->labelsize(11);
  if (inactive) {
    b->color(FL_GREEN);
    b->deactivate();
  }
  if (square) b->align(FL_ALIGN_RIGHT);
}

int main(int argc, char ** argv) {
  window = new Fl_Double_Window(4*W,ROWS*H);
  window->box(FL_FLAT_BOX);
#if 0 // this code uses the command line arguments to set arbitrary color schemes
  Fl::args(argc, argv);
  Fl::get_system_colors();
#elif 0 // this code uses a single color to define a scheme
  Fl::args(argc, argv);
  Fl::get_system_colors();
  Fl::background(113,113,198);
#else // this code uses the nice bright blue background to show box vs. frame types
  Fl::args(argc, argv);
  Fl::get_system_colors();
  window->color(12);// light blue
#endif

  // set window title to show active scheme
  Fl::scheme(Fl::scheme()); // init scheme
  char title[100];
  sprintf(title,"FLTK boxtypes: scheme = '%s'",Fl::scheme()?Fl::scheme():"none");
  window->label(title);

  // create special container group for box size debugging
  BoxGroup *bg = new BoxGroup(0,0,window->w(),window->h());
  bg->box(FL_NO_BOX);

  // create demo boxes
  bt("FL_NO_BOX",FL_NO_BOX);
  bt("FL_FLAT_BOX",FL_FLAT_BOX);
  N += 2; // go to start of next row to line up boxes & frames
  bt("FL_UP_BOX",FL_UP_BOX);
  bt("FL_DOWN_BOX",FL_DOWN_BOX);
  bt("FL_UP_FRAME",FL_UP_FRAME);
  bt("FL_DOWN_FRAME",FL_DOWN_FRAME);
  bt("FL_THIN_UP_BOX",FL_THIN_UP_BOX);
  bt("FL_THIN_DOWN_BOX",FL_THIN_DOWN_BOX);
  bt("FL_THIN_UP_FRAME",FL_THIN_UP_FRAME);
  bt("FL_THIN_DOWN_FRAME",FL_THIN_DOWN_FRAME);
  bt("FL_ENGRAVED_BOX",FL_ENGRAVED_BOX);
  bt("FL_EMBOSSED_BOX",FL_EMBOSSED_BOX);
  bt("FL_ENGRAVED_FRAME",FL_ENGRAVED_FRAME);
  bt("FL_EMBOSSED_FRAME",FL_EMBOSSED_FRAME);
  bt("FL_BORDER_BOX",FL_BORDER_BOX);
  bt("FL_SHADOW_BOX",FL_SHADOW_BOX);
  bt("FL_BORDER_FRAME",FL_BORDER_FRAME);
  bt("FL_SHADOW_FRAME",FL_SHADOW_FRAME);
  bt("FL_ROUNDED_BOX",FL_ROUNDED_BOX);
  bt("FL_RSHADOW_BOX",FL_RSHADOW_BOX);
  bt("FL_ROUNDED_FRAME",FL_ROUNDED_FRAME);
  bt("FL_RFLAT_BOX",FL_RFLAT_BOX);
  bt("FL_OVAL_BOX",FL_OVAL_BOX);
  bt("FL_OSHADOW_BOX",FL_OSHADOW_BOX);
  bt("FL_OVAL_FRAME",FL_OVAL_FRAME);
  bt("FL_OFLAT_BOX",FL_OFLAT_BOX);
  bt("FL_ROUND_UP_BOX",FL_ROUND_UP_BOX);
  bt("FL_ROUND_DOWN_BOX",FL_ROUND_DOWN_BOX);
  bt("FL_DIAMOND_UP_BOX",FL_DIAMOND_UP_BOX);
  bt("FL_DIAMOND_DOWN_BOX",FL_DIAMOND_DOWN_BOX);

  bt("FL_PLASTIC_UP_BOX",FL_PLASTIC_UP_BOX);
  bt("FL_PLASTIC_DOWN_BOX",FL_PLASTIC_DOWN_BOX);
  bt("FL_PLASTIC_UP_FRAME",FL_PLASTIC_UP_FRAME);
  bt("FL_PLASTIC_DOWN_FRAME",FL_PLASTIC_DOWN_FRAME);
  bt("FL_PLASTIC_THIN_UP_BOX",FL_PLASTIC_THIN_UP_BOX);
  bt("FL_PLASTIC_THIN_DOWN_BOX",FL_PLASTIC_THIN_DOWN_BOX);
  N += 2;
  bt("FL_PLASTIC_ROUND_UP_BOX",FL_PLASTIC_ROUND_UP_BOX);
  bt("FL_PLASTIC_ROUND_DOWN_BOX",FL_PLASTIC_ROUND_DOWN_BOX);
  N += 2;

  bt("FL_GTK_UP_BOX",FL_GTK_UP_BOX);
  bt("FL_GTK_DOWN_BOX",FL_GTK_DOWN_BOX);
  bt("FL_GTK_UP_FRAME",FL_GTK_UP_FRAME);
  bt("FL_GTK_DOWN_FRAME",FL_GTK_DOWN_FRAME);
  bt("FL_GTK_THIN_UP_BOX",FL_GTK_THIN_UP_BOX);
  bt("FL_GTK_THIN_DOWN_BOX",FL_GTK_THIN_DOWN_BOX);
  bt("FL_GTK_THIN_UP_FRAME",FL_GTK_THIN_UP_FRAME);
  bt("FL_GTK_THIN_DOWN_FRAME",FL_GTK_THIN_DOWN_FRAME);
  bt("FL_GTK_ROUND_UP_BOX",FL_GTK_ROUND_UP_BOX);
  bt("FL_GTK_ROUND_DOWN_BOX",FL_GTK_ROUND_DOWN_BOX);
  bg->end();
  window->resizable(window);
  window->end();
  window->show();
  return Fl::run();
}

//
// End of "$Id$".
//