STR #1854: fixed win32 issue with possible NULL pointer

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@6017 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

src/Fl_win32.cxx

@@ -1122,7 +1122,7 @@ void Fl_Window::resize(int X,int Y,int W,int H) {
       redraw(); 
       // only wait for exposure if this window has a size - a window 
       // with no width or height will never get an exposure event
-      if (W>0 && H>0)
+      if (i && W>0 && H>0)
         i->wait_for_expose = 1;
     }
   } else {

test/hello.cxx

@@ -1,48 +1,39 @@
-//
-// "$Id$"
-//
-// Hello, World! program for the Fast Light Tool Kit (FLTK).
-//
-// Copyright 1998-2005 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 <FL/Fl.H>
-#include <FL/Fl_Window.H>
-#include <FL/Fl_Box.H>
-#include <FL/filename.H>
+#include <FL/Fl_Double_Window.H>
+#include <iostream>
 
-int main(int argc, char **argv) {
-  char b[1024];
-  fl_filename_relative(b, 1024, "/Users/matt/proj/source");
-  Fl_Window *window = new Fl_Window(300,180);
-  Fl_Box *box = new Fl_Box(FL_UP_BOX,20,40,260,100,"Hello, World!");
-  box->labelfont(FL_BOLD+FL_ITALIC);
-  box->labelsize(36);
-  box->labeltype(FL_SHADOW_LABEL);
-  window->end();
-  window->show(argc, argv);
-  return Fl::run();
+//typedef Fl_Window Window;
+typedef Fl_Double_Window Window;
+
+class Win : public Window {
+public:
+  Win(int w, int h, char const* label = 0)
+    : Window(w, h, label) {;}
+
+  int handle(int event)
+  {
+    int r = Window::handle(event);
+      switch(event) {
+        case FL_PUSH: std::cout << "PUSH\n"; break;
+        case FL_RELEASE: std::cout << "RELEASE\n"; break;
+        case FL_KEYDOWN:
+          if(Fl::event_key() == FL_Escape) {
+            Fl::release(); hide();
           }
+          break;
+    }
+    return r;
+  }
+};
 
-//
-// End of "$Id$".
-//
+int main()
+{
+  Fl_Double_Window first(300, 300, "First Window");
+  first.end();
+  Win second(200, 200, "Second Window");
+  second.end();
+  first.show();
+  second.show();
+  Fl::grab(&second);
+  return Fl::run();
+}