use help_view in about win

Fltk/aboutWindow.cpp

@@ -3,10 +3,8 @@
 // See the LICENSE.txt file for license information. Please report all
 // bugs and problems to <gmsh@geuz.org>.
 
-#include <stdio.h>
-#include <FL/Fl_Browser.H>
-#include <FL/Fl_Box.H>
-#include <FL/Fl_Button.H>
+#include <sstream>
+#include <FL/Fl_Help_View.H>
 #include "FlGui.h"
 #include "aboutWindow.h"
 #include "paletteWindow.h"
@@ -15,88 +13,48 @@
 #include "OS.h"
 #include "Context.h"
 
-static void help_license_cb(Fl_Widget *w, void *data)
+static const char *help_link(Fl_Widget *w, const char *uri)
 {
   std::string prog = FixWindowsPath(CTX::instance()->webBrowser);
-  SystemCall(ReplacePercentS(prog, "http://geuz.org/gmsh/doc/LICENSE.txt"));
-}
-
-static void help_credits_cb(Fl_Widget *w, void *data)
-{
-  std::string prog = FixWindowsPath(CTX::instance()->webBrowser);
-  SystemCall(ReplacePercentS(prog, "http://geuz.org/gmsh/doc/CREDITS.txt"));
-}
-
-static void help_hide_cb(Fl_Widget *w, void *data)
-{
-  ((Fl_Window*)data)->hide();
+  SystemCall(ReplacePercentS(prog, uri));
+  return 0;
 }
 
 aboutWindow::aboutWindow()
 {
-  char buffer[1024];
-  int width = 28 * FL_NORMAL_SIZE;
-  int height = 17 * BH;
+  int width = 26 * FL_NORMAL_SIZE;
+  int height = 16 * BH;
 
   win = new paletteWindow
     (width, height, CTX::instance()->nonModalWindows ? true : false, "About Gmsh");
   win->box(GMSH_WINDOW_BOX);
 
-  {
-    Fl_Browser *o = new Fl_Browser(0, 0, width, height - 2 * WB - BH);
-    o->box(FL_FLAT_BOX);
-    o->has_scrollbar(0); // no scrollbars
-    o->add(" ");
-    o->add("@c@b@.Gmsh");
-    o->add("@c@.A three-dimensional finite element mesh generator");
-    o->add("@c@.with built-in pre- and post-processing facilities");
-    o->add(" ");
-    o->add("@c@.Copyright (C) 1997-2009");
-    o->add("@c@.Christophe Geuzaine and Jean-Francois Remacle");
-    o->add(" ");
-    o->add("@c@.Please send all questions and bug reports to");
-    o->add("@c@b@.gmsh@geuz.org");
-    o->add(" ");
-    sprintf(buffer, "@c@.Version: %s", GetGmshVersion());
-    o->add(buffer);
-    sprintf(buffer, "@c@.License: %s", GetGmshShortLicense());
-    o->add(buffer);
-    sprintf(buffer, "@c@.Graphical user interface toolkit: FLTK %d.%d.%d", 
-            FL_MAJOR_VERSION, FL_MINOR_VERSION, FL_PATCH_VERSION);
-    o->add(buffer);
-    sprintf(buffer, "@c@.Build OS: %s", GetGmshBuildOS());
-    o->add(buffer);
-    sprintf(buffer, "@c@.Build date: %s", GetGmshBuildDate());
-    o->add(buffer);
-    sprintf(buffer, "@c@.Build host: %s", GetGmshBuildHost());
-    o->add(buffer);
-    std::vector<std::string> lines = SplitWhiteSpace(GetGmshBuildOptions(), 30);
-    for(unsigned int i = 0; i < lines.size(); i++){
-      if(!i)
-        sprintf(buffer, "@c@.Build options:%s", lines[i].c_str());
-      else
-        sprintf(buffer, "@c@.%s", lines[i].c_str());
-        o->add(buffer);
-      }
-    sprintf(buffer, "@c@.Packaged by: %s", GetGmshPackager());
-    o->add(buffer);
-    o->add(" ");
-    o->add("@c@.Visit http://www.geuz.org/gmsh/ for more information");
-    o->add(" ");
-    o->callback(help_hide_cb, (void*)win);
-  }
-
-  {
-    Fl_Button *o = new Fl_Button
-      (width/2 - BB - WB/2, height - BH - WB, BB, BH, "License");
-    o->callback(help_license_cb);
-  }
-
-  {
-    Fl_Button *o = new Fl_Button
-      (width/2 + WB/2, height - BH - WB, BB, BH, "Credits");
-    o->callback(help_credits_cb);
-  }
+  Fl_Help_View *o = new Fl_Help_View(0, 0, width, height);
+  o->box(FL_FLAT_BOX);
+  std::ostringstream sstream;
+  sstream << "<center><h3>Gmsh</h3><br>version " << GetGmshVersion()
+          << "<p>Copyright (C) 1997-2009"
+          << "<br>Christophe Geuzaine and Jean-Fran&ccedil;ois Remacle"
+          << "<p><a href=\"http://geuz.org/gmsh/doc/CREDITS.txt\">Credits</a> "
+          << "and <a href=\"http://geuz.org/gmsh/doc/LICENSE.txt\">licensing "
+          << "information</a>"
+          << "<p>Please send all questions and bug reports to "
+          << "<a href=\"mailto:gmsh@geuz.org\">gmsh@geuz.org</a></center>"
+          << "<font color=#888888><ul>"
+          << "<li><i>GUI toolkit:</i> FLTK "
+          << FL_MAJOR_VERSION << "." << FL_MINOR_VERSION << "." << FL_PATCH_VERSION
+          << "<li><i>Build OS:</i> " << GetGmshBuildOS()
+          << "<li><i>Build date:</i> " << GetGmshBuildDate()
+          << "<li><i>Build host:</i> " << GetGmshBuildHost()
+          << "<li><i>Packaged by:</i> " << GetGmshPackager()
+          << "<li><i>Build options:</i>" << GetGmshBuildOptions()
+          << "</ul></font><center>"
+          << "Visit <a href=\"http://geuz.org/gmsh/\">http://geuz.org/gmsh/</a> "
+          << "for more information</center>";
+  o->value(sstream.str().c_str());
+  o->link(help_link);
+  o->textfont(FL_HELVETICA);
+  o->textsize(FL_NORMAL_SIZE);
 
   win->position(Fl::x() + Fl::w()/2 - width / 2,
                 Fl::y() + Fl::h()/2 - height / 2);

Fltk/pluginWindow.cpp

@@ -348,8 +348,7 @@ pluginWindow::pluginWindow(int deltaFontSize)
   record->type(FL_TOGGLE_BUTTON);
   record->tooltip("Append scripting command to file options when plugin is run");
   
-  Fl_Box *resize_box = new Fl_Box(L1 + L2 + 2 * BH, height - 4 * BH, 1, 1);
-  win->resizable(resize_box);
+  win->resizable(new Fl_Box(L1 + L2 + 2 * BH, height - 4 * BH, 10, 10));
   win->size_range(width0, height0);
 
   win->position(CTX::instance()->pluginPosition[0], CTX::instance()->pluginPosition[1]);