dw_links.cc

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/*
 * Dillo Widget
 *
 * Copyright 2005-2007 Sebastian Geerken <sgeerken@dillo.org>
 * Copyright 2023 Rodrigo Arias Mallo <rodarima@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 
 
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
 
#include "dw/core.hh"
#include "dw/fltkcore.hh"
#include "dw/fltkviewport.hh"
#include "dw/textblock.hh"
 
using namespace dw;
using namespace dw::core;
using namespace dw::core::style;
using namespace dw::fltk;
 
class LinkTestReceiver: public Layout::LinkReceiver
{
   bool enter (Widget *widget, int link, int img, int x, int y);
   bool press (Widget *widget, int link, int img, int x, int y,
               EventButton *event);
   bool release (Widget *widget, int link, int img, int x, int y,
                 EventButton *event);
   bool click (Widget *widget, int link, int img,
               int x, int y, EventButton *event);
};
 
bool LinkTestReceiver::enter (Widget *widget, int link, int img, int x, int y)
{
   printf ("enter: %d\n", link);
   return true;
}
 
bool LinkTestReceiver::press (Widget *widget, int link, int img, int x, int y,
                              EventButton *event)
{
   printf ("press: %d\n", link);
   return true;
}
 
bool LinkTestReceiver::release (Widget *widget, int link, int img, int x,int y,
                                EventButton *event)
{
   printf ("release: %d\n", link);
   return true;
}
 
bool LinkTestReceiver::click (Widget *widget, int link, int img, int x, int y,
                              EventButton *event)
{
   printf ("click: %d\n", link);
   return true;
}
 
int main(int argc, char **argv)
{
   LinkTestReceiver linkTestReceiver;
   FltkPlatform *platform = new FltkPlatform ();
   Layout *layout = new Layout (platform);
 
   Fl_Window *window = new Fl_Window(200, 300, "Dw Links");
   window->box(FL_NO_BOX);
   window->begin();
 
   FltkViewport *viewport = new FltkViewport (0, 0, 200, 300);
   layout->attachView (viewport);
 
   StyleAttrs styleAttrs;
   styleAttrs.initValues ();
   styleAttrs.margin.setVal (5);
 
   FontAttrs fontAttrs;
   fontAttrs.name = "Bitstream Charter";
   fontAttrs.size = 14;
   fontAttrs.weight = 400;
   fontAttrs.style = FONT_STYLE_NORMAL;
   fontAttrs.letterSpacing = 0;
   fontAttrs.fontVariant = FONT_VARIANT_NORMAL;
   styleAttrs.font = dw::core::style::Font::create (layout, &fontAttrs);
 
   styleAttrs.color = Color::create (layout, 0x000000);
   styleAttrs.backgroundColor = Color::create (layout, 0xffffff);
 
   Style *widgetStyle = Style::create (&styleAttrs);
 
   Textblock *textblock = new Textblock (false);
   textblock->setStyle (widgetStyle);
   layout->setWidget (textblock);
 
   layout->connectLink (&linkTestReceiver);
 
   widgetStyle->unref();
 
   styleAttrs.margin.setVal (0);
   styleAttrs.backgroundColor = NULL;
   styleAttrs.cursor = CURSOR_TEXT;
 
   Style *wordStyle = Style::create (&styleAttrs);
 
   styleAttrs.color = Color::create (layout, 0x0000ff);
   styleAttrs.textDecoration = TEXT_DECORATION_UNDERLINE;
   styleAttrs.cursor = CURSOR_POINTER;
 
   for(int i = 1; i <= 10; i++) {
      char buf[4];
      sprintf(buf, "%d.", i);
 
      const char *words1[] = {
         "This", "is", "the", buf, "paragraph.",
         "Here", "comes", "some", "more", "text",
         "to", "demonstrate", "word", "wrapping.",
         NULL };
      const char *words2[] = {
         "Click", "here", "for", "more..", NULL };
 
      for(int j = 0; words1[j]; j++) {
         textblock->addText(words1[j], wordStyle);
         textblock->addSpace(wordStyle);
      }
 
      styleAttrs.x_link = i;
      Style *linkStyle = Style::create (&styleAttrs);
 
      for(int j = 0; words2[j]; j++) {
         textblock->addText(words2[j], linkStyle);
         textblock->addSpace(wordStyle);
      }
 
      linkStyle->unref ();
 
      textblock->addParbreak(10, wordStyle);
   }
 
   wordStyle->unref();
 
   textblock->flush ();
 
   window->resizable(viewport);
   window->show();
   int errorCode = Fl::run();
 
   delete layout;
 
   return errorCode;
}