Changed the flags_ field into unsigned int, so we can safely use all 32 bits

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6907 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Group.H

@@ -174,7 +174,7 @@ public:
 
     \see void Fl_Group::clip_children(int c)
   */
-  int clip_children() { return (flags() & CLIP_CHILDREN) != 0; }
+  unsigned int clip_children() { return (flags() & CLIP_CHILDREN) != 0; }
 
   // back compatibility functions:
 

FL/Fl_Widget.H

@@ -96,7 +96,7 @@ class FL_EXPORT Fl_Widget {
   void* user_data_;
   int x_,y_,w_,h_;
   Fl_Label label_;
-  int flags_;
+  unsigned int flags_;
   Fl_Color color_;
   Fl_Color color2_;
   uchar type_;
@@ -135,11 +135,11 @@ protected:
   /** Internal use only. Use position(int,int), size(int,int) or resize(int,int,int,int) instead. */
   void h(int v) {h_ = v;}
   /** Gets the widget flags mask */
-  int flags() const {return flags_;}
+  unsigned int flags() const {return flags_;}
   /** Sets a flag in the flags mask */
-  void set_flag(int c) {flags_ |= c;}
+  void set_flag(unsigned int c) {flags_ |= c;}
   /** Clears a flag in the flags mask */
-  void clear_flag(int c) {flags_ &= ~c;}
+  void clear_flag(unsigned int c) {flags_ &= ~c;}
   /** flags possible values enumeration.
       See activate(), output(), visible(), changed(), set_visible_focus()
   */
@@ -645,7 +645,7 @@ public:
       \retval 0 if the widget is not drawn and hence invisible.
       \see show(), hide(), visible_r()
    */
-  int visible() const {return !(flags_&INVISIBLE);}
+  unsigned int visible() const {return !(flags_&INVISIBLE);}
 
   /** Returns whether a widget and all its parents are visible.
       \retval 0 if the widget or any of its parents are invisible.
@@ -690,7 +690,7 @@ public:
       \retval 0 if the widget is inactive
       \see active_r(), activate(), deactivate()
    */
-  int active() const {return !(flags_&INACTIVE);}
+  unsigned int active() const {return !(flags_&INACTIVE);}
 
   /** Returns whether the widget and all of its parents are active. 
       \retval 0 if this or any of the parent widgets are inactive
@@ -729,7 +729,7 @@ public:
       \retval 0 if the widget is used for input and output
       \see set_output(), clear_output() 
    */
-  int output() const {return (flags_&OUTPUT);}
+  unsigned int output() const {return (flags_&OUTPUT);}
 
   /** Sets a widget to output only.
       \see output(), clear_output() 
@@ -746,7 +746,7 @@ public:
       && visible()) but is faster.
       \retval 0 if the widget takes no events
    */ 
-  int takesevents() const {return !(flags_&(INACTIVE|INVISIBLE|OUTPUT));}
+  unsigned int takesevents() const {return !(flags_&(INACTIVE|INVISIBLE|OUTPUT));}
 
   /** 
       Checks if the widget value changed since the last callback.
@@ -763,7 +763,7 @@ public:
      \retval 0 if the value did not change
      \see set_changed(), clear_changed()
    */
-  int changed() const {return flags_&CHANGED;}
+  unsigned int changed() const {return flags_&CHANGED;}
 
   /** Marks the value of the widget as changed.
       \see changed(), clear_changed()
@@ -808,7 +808,7 @@ public:
       \retval 0 if this widget has no visible focus.
       \see visible_focus(int), set_visible_focus(), clear_visible_focus()
    */
-  int  visible_focus() { return flags_ & VISIBLE_FOCUS; }
+  unsigned int  visible_focus() { return flags_ & VISIBLE_FOCUS; }
 
   /** Sets the default callback for all widgets.
       Sets the default callback, which puts a pointer to the widget on the queue 

FL/Fl_Window.H

@@ -159,11 +159,11 @@ public:
   */
   void clear_border()	{set_flag(NOBORDER);}
   /** See int Fl_Window::border(int) */
-  int border() const	{return !(flags() & NOBORDER);}
+  unsigned int border() const	{return !(flags() & NOBORDER);}
   /** Activate the flags NOBORDER|FL_OVERRIDE */
   void set_override()	{set_flag(NOBORDER|OVERRIDE);}
   /** Returns non zero if FL_OVERRIDE flag is set, 0 otherwise. */
-  int override() const  { return flags()&OVERRIDE; }
+  unsigned int override() const  { return flags()&OVERRIDE; }
   /**
     A "modal" window, when shown(), will prevent any events from
     being delivered to other windows in the same program, and will also
@@ -175,7 +175,7 @@ public:
   */
   void set_modal()	{set_flag(MODAL);}
   /**  Returns true if this window is modal.  */
-  int modal() const	{return flags() & MODAL;}
+  unsigned int modal() const	{return flags() & MODAL;}
   /**
     A "non-modal" window (terminology borrowed from Microsoft Windows)
     acts like a modal() one in that it remains on top, but it has
@@ -184,7 +184,7 @@ public:
   */
   void set_non_modal()	{set_flag(NON_MODAL);}
   /**  Returns true if this window is modal or non-modal. */
-  int non_modal() const {return flags() & (NON_MODAL|MODAL);}
+  unsigned int non_modal() const {return flags() & (NON_MODAL|MODAL);}
 
   /**
     Marks the window as a menu window.
@@ -202,7 +202,7 @@ public:
   void set_menu_window()	{set_flag(MENU_WINDOW);}
 
   /**  Returns true if this window is a menu window. */
-  int menu_window() const {return flags() & MENU_WINDOW;}
+  unsigned int menu_window() const {return flags() & MENU_WINDOW;}
 
   /**
     Marks the window as a tooltip window.
@@ -223,7 +223,7 @@ public:
   void set_tooltip_window()	{ set_flag(TOOLTIP_WINDOW);
 				  clear_flag(MENU_WINDOW); }
   /**  Returns true if this window is a tooltip window. */
-  int tooltip_window() const {return flags() & TOOLTIP_WINDOW;}
+  unsigned int tooltip_window() const {return flags() & TOOLTIP_WINDOW;}
 
   /**
     Position the window so that the mouse is pointing at the