Fixed WIN32 zero size window issue (STR #1387)

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@5346 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

3 files changed, 24 insertions, 42 deletions

diff --git a/CHANGES b/CHANGES
index d8a30fb30..c1c8e74b2 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,6 @@
 CHANGES IN FLTK 1.1.8
 
+	- Fixed WIN32 zero size window issue (STR #1387)
 	- Fixed Sudoku window positioning (STR #1398)
 	- Fluid Code Declarations can now handle
 	  C++ style comments (STR #1383)
diff --git a/src/Fl_win32.cxx b/src/Fl_win32.cxx
index 7b615dbc2..8173ecd31 100644
--- a/src/Fl_win32.cxx
+++ b/src/Fl_win32.cxx
@@ -1128,6 +1128,10 @@ void Fl_Window::resize(int X,int Y,int W,int H) {
       W += 2*bx;
       H += 2*by+bt;
     }
+    // avoid zero size windows. A zero sized window on Win32
+    // will cause continouly  new redraw events.
+    if (W<=0) W = 1;
+    if (H<=0) H = 1;
     SetWindowPos(i->xid, 0, X, Y, W, H, flags);
   }
 }
diff --git a/test/hello.cxx b/test/hello.cxx
index 178d52934..2abc64c45 100644
--- a/test/hello.cxx
+++ b/test/hello.cxx
@@ -1,45 +1,22 @@
-//
-// "$Id$"
-//
-// 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/Fl_Gl_Window.H>
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+    Fl_Window *window = new Fl_Window(300,200);
+    window->clear_border(); // no border!!
+    window->show();
+
+    // wait some time
+    Fl::wait(10.);
+    window->size(0,0);
 
-int main(int argc, char **argv) {
-  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();
-}
+    while(true) {
+        printf("LOOP ");
+        // doesn't wait....
+        Fl::wait(100.);
+    }
 
-//
-// End of "$Id$".
-//
+    return 0;
+}
\ No newline at end of file