[IGSTK-Developers] Compiler Warnning C4244

[Julien Jomier]

We should not use fltk 2.0 at this point.

FLTK has released an intermediate version of the 1.1.6 (1.1.x-r4586) 
that can be downloaded at: http://www.fltk.org/software.php

And I'm pretty sure that this version doesn't have the warnings.

Julien

Patrick Cheng wrote:
> Hi everybody,
> 
> There has been a long time issue with the FLTK warnning on the windows 
> build machine.
> 
> C:\Patrick\FLTK\VS60-Debug\FL/Fl_Window.H(91) : warning C4244: '=' : 
> conversion from 'short' to 'unsigned char', possible loss of data
> 
> It seems that in the latest FLTK release (fltk-2.0.x), they have fixed 
> this problem.
> Pls refer to line 81, in fltk/Window.h
> Notice: They have refactored the class.
> 
> So for right now, I just made a temporary change to the FL/FL_Window.H 
> file here on the build machine. To remove the annoying warnnings, and so 
> that it's easier for us to look at other warnnings.
> 
> Hope this make sense.
> 
> Patrick
> 
> 
> ------------------------------------------------------------------------
> 
> //
> // "$Id: Fl_Window.H,v 1.12.2.6.2.9 2004/11/20 03:19:57 easysw Exp $"
> //
> // Window header file for the Fast Light Tool Kit (FLTK).
> //
> // Copyright 1998-2004 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 to "fltk-bugs at fltk.org".
> //
> 
> #ifndef Fl_Window_H
> #define Fl_Window_H
> 
> #include "Fl_Group.H"
> 
> #define FL_WINDOW 0xF0	// all subclasses have type() >= this
> #define FL_DOUBLE_WINDOW 0xF1
> 
> class Fl_X;
> 
> class FL_EXPORT Fl_Window : public Fl_Group {
> 
>   friend class Fl_X;
>   Fl_X *i; // points at the system-specific stuff
> 
>   const char* iconlabel_;
>   const char* xclass_;
>   const void* icon_;
>   // size_range stuff:
>   short minw, minh, maxw, maxh;
>   uchar dw, dh, aspect, size_range_set;
>   // cursor stuff
>   Fl_Cursor cursor_default;
>   Fl_Color cursor_fg, cursor_bg;
>   void size_range_();
>   // values for flags():
>   enum {
>     FL_MODAL = 64,
>     FL_NOBORDER = 8,
>     FL_FORCE_POSITION = 16,
>     FL_NON_MODAL = 32,
>     FL_OVERRIDE = 256
>   };
>   void _Fl_Window(); // constructor innards
> 
> protected:
> 
>   static Fl_Window *current_;
>   virtual void draw();
>   virtual void flush();
> 
> public:
> 
>   Fl_Window(int,int,int,int, const char* = 0);
>   Fl_Window(int,int, const char* = 0);
>   virtual ~Fl_Window();
> 
>   virtual int handle(int);
> 
>   virtual void resize(int,int,int,int);
>   void border(int b);
>   void clear_border()	{set_flag(FL_NOBORDER);}
>   int border() const	{return !(flags() & FL_NOBORDER);}
>   void set_override()	{set_flag(FL_NOBORDER|FL_OVERRIDE);}
>   int override() const  { return flags()&FL_OVERRIDE; }
>   void set_modal()	{set_flag(FL_MODAL);}
>   int modal() const	{return flags() & FL_MODAL;}
>   void set_non_modal()	{set_flag(FL_NON_MODAL);}
>   int non_modal() const {return flags() & (FL_NON_MODAL|FL_MODAL);}
> 
>   void hotspot(int x, int y, int offscreen = 0);
>   void hotspot(const Fl_Widget*, int offscreen = 0);
>   void hotspot(const Fl_Widget& p, int offscreen = 0) {hotspot(&p,offscreen);}
>   void free_position()	{clear_flag(FL_FORCE_POSITION);}
>   void size_range(int a, int b, int c=0, int d=0, int e=0, int f=0, int g=0) {
>     minw=(short)a; minh=(short)b; maxw=(short)c; maxh=(short)d; dw=(uchar)e; dh=(uchar)f; aspect=(uchar)g; size_range_();}
> 
>   const char* label() const	{return Fl_Widget::label();}
>   const char* iconlabel() const	{return iconlabel_;}
>   void label(const char*);
>   void iconlabel(const char*);
>   void label(const char* label, const char* iconlabel);
>   const char* xclass() const	{return xclass_;}
>   void xclass(const char* c)	{xclass_ = c;}
>   const void* icon() const	{return icon_;}
>   void icon(const void * ic)	{icon_ = ic;}
> 
>   int shown() {return i != 0;}
>   virtual void show();
>   virtual void hide();
>   void show(int, char**);
>   void fullscreen();
>   void fullscreen_off(int,int,int,int);
>   void iconize();
> 
>   int x_root() const ;
>   int y_root() const ;
> 
>   static Fl_Window *current();
>   void make_current();
> 
>   // for back-compatability only:
>   void cursor(Fl_Cursor, Fl_Color=FL_BLACK, Fl_Color=FL_WHITE);
>   void default_cursor(Fl_Cursor, Fl_Color=FL_BLACK, Fl_Color=FL_WHITE);
>   static void default_callback(Fl_Window*, void* v);
> 
> };
> 
> #endif
> 
> //
> // End of "$Id: Fl_Window.H,v 1.12.2.6.2.9 2004/11/20 03:19:57 easysw Exp $".
> //
> 
> 
> ------------------------------------------------------------------------
> 
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