input.cxx

//
// "$Id$"
//
// Input field test program for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2006 by Bill Spitzak and others.
//
// 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
//

#include <fltk/run.h>
#include <fltk/Window.h>
#include <fltk/Input.h>
#include <fltk/FloatInput.h>
#include <fltk/IntInput.h>
#include <fltk/SecretInput.h>
#include <fltk/WordwrapInput.h>
#include <fltk/TextEditor.h>
#include <fltk/Button.h>
#include <fltk/ToggleButton.h>
#include <fltk/show_colormap.h>
#include <stdio.h>
using namespace fltk;

void cb(Widget *ob) {
  printf("Callback for %s '%s'\n",ob->label(),((Input*)ob)->text());
}

void editor_cb(Widget *ob) {
  printf("Callback for %s '%s'\n",ob->label(),((TextEditor*)ob)->text());
}

int when = 0;
Input *input[5];
TextEditor* editor;

void toggle_cb(Widget *o, long v) {
  if (((ToggleButton*)o)->value()) when |= v; else when &= ~v;
  for (int i=0; i<5; i++) input[i]->when(when);
  editor->when(when);
}

void test(Input *i) {
  if (i->changed()) {
    i->clear_changed();
    printf("%s '%s'\n",i->label(),i->text());
  }
}

void button_cb(Widget *,void *) {
  for (int i=0; i<5; i++) test(input[i]);
  if (editor->changed()) {
    editor->clear_changed();
    printf("%s '%s'\n",editor->label(),editor->text());
  }
}

void color_cb(Widget* button, void* v) {
  Style& s = *Input::default_style;
  Color c;
  
  switch ((long)v) {
    case 0: c = s.color_; break;
    case 1: c = s.selection_color_; break;
    default: c = s.textcolor_; break;
  }
  c = show_colormap(c);
  switch ((long)v) {
    case 0: s.color_ = c; break;
    case 1: s.selection_color_ = c; break;
    default: s.textcolor_ = c; break;
  }
  //s.selection_textcolor = contrast(s.textcolor, s.selection_color);
  button->color(c);
  button->labelcolor(contrast(BLACK,(Color)c));
  fltk::redraw();
}

int main(int argc, char **argv) {
  Window *window = new Window(400,350+105);
  //window->clear_double_buffer();

  window->begin();
  int y = 10;
  input[0] = new Input(70,y,300,23,"Normal"); y += 27;
  input[0]->tooltip("Normal input field");
  // input[0]->cursor_color(SELECTION_COLOR);
  //  input[0]->maximum_size(20);
  input[0]->static_text("this is the initial text");
  input[1] = new FloatInput(70,y,300,23,"Float"); y += 27;
  input[1]->tooltip("Input field for floating-point number");
  input[2] = new IntInput(70,y,300,23,"Int"); y += 27;
  input[2]->tooltip("Input field for integer number");
  input[3] = new SecretInput(70,y,300,23,"Secret"); y += 27;
  input[3]->tooltip("Input field for password");
  input[4] = new WordwrapInput(70,y,300,100,"Wordwrap"); y += 105;
  input[4]->tooltip("Input field for short multi-line text. Use TextEditor for anything more than a few lines!");

  editor = new TextEditor(70,y,300,100,"TextEditor"); y += 105;
  editor->tooltip("TextEditor, designed for editing email and programs. "
		  "wrap_mode(true) has been done to this one.");
  editor->wrap_mode(true);
  window->resizable(editor);

  for (int i = 0; i < 5; i++) {
    input[i]->when(0); input[i]->callback(cb);
  }
  int y1 = y;
  editor->when(0);
  editor->callback(editor_cb);

  Button *b;
  b = new ToggleButton(10,y,200,23,"WHEN_&CHANGED");
  b->tooltip("Do callback each time the text changes");
  b->callback(toggle_cb, WHEN_CHANGED); y += 23;
  b = new ToggleButton(10,y,200,23,"WHEN_&RELEASE");
  b->callback(toggle_cb, WHEN_RELEASE); y += 23;
  b->tooltip("Do callback when widget loses focus");
  b = new ToggleButton(10,y,200,23,"WHEN_&ENTER_KEY");
  b->callback(toggle_cb, WHEN_ENTER_KEY); y += 23;
  b->tooltip("Do callback when user hits Enter key");
  b = new ToggleButton(10,y,200,23,"WHEN_&NOT_CHANGED");
  b->callback(toggle_cb, WHEN_NOT_CHANGED); y += 23;
  b->tooltip("Do callback even if the text is not changed");
  y += 5;
  b = new Button(10,y,200,23,"&print changed()");
  b->callback(button_cb);
  b->tooltip("Print widgets that have changed() flag set");

  b = new Button(220,y1,100,23,"color"); y1 += 23;
  b->color(input[0]->color()); b->callback(color_cb, (void*)0);
  b->labelcolor(contrast(BLACK,b->color()));
  b->tooltip("Color behind the text");
  b = new Button(220,y1,100,23,"selection_color"); y1 += 23;
  b->color(input[0]->selection_color()); b->callback(color_cb, (void*)1);
  b->labelcolor(contrast(BLACK,b->color()));
  b->tooltip("Color behind selected text");
  b = new Button(220,y1,100,23,"textcolor"); y1 += 23;
  b->color(input[0]->textcolor()); b->callback(color_cb, (void*)2);
  b->labelcolor(contrast(BLACK,b->color()));
  b->tooltip("Color of the text");

  window->end();
  window->show(argc,argv);
  return run();
}

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