finalcut/include/final/fwidget.h

/***********************************************************************
* fwidget.h - Intermediate base class for all widget objects           *
*                                                                      *
* This file is part of the Final Cut widget toolkit                    *
*                                                                      *
* Copyright 2015-2018 Markus Gans                                      *
*                                                                      *
* The Final Cut is free software; you can redistribute it and/or       *
* modify it under the terms of the GNU Lesser General Public License   *
* as published by the Free Software Foundation; either version 3 of    *
* the License, or (at your option) any later version.                  *
*                                                                      *
* The Final Cut 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 Lesser General Public License for more details.                  *
*                                                                      *
* You should have received a copy of the GNU Lesser General Public     *
* License along with this program.  If not, see                        *
* <http://www.gnu.org/licenses/>.                                      *
***********************************************************************/

/*  Inheritance diagram
 *  ═══════════════════
 *
 * ▕▔▔▔▔▔▔▔▔▔▏
 * ▕  FTerm  ▏
 * ▕▁▁▁▁▁▁▁▁▁▏
 *      ▲
 *      │
 * ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▏
 * ▕ FVTerm  ▏ ▕ FObject ▏
 * ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▏
 *      ▲           ▲
 *      │           │
 *      └─────┬─────┘
 *            │
 *       ▕▔▔▔▔▔▔▔▔▔▏1       1▕▔▔▔▔▔▔▔▔▔▔▔▔▏
 *       ▕ FWidget ▏-┬- - - -▕ FStatusBar ▏
 *       ▕▁▁▁▁▁▁▁▁▁▏ :       ▕▁▁▁▁▁▁▁▁▁▁▁▁▏
 *                   :
 *                   :      1▕▔▔▔▔▔▔▔▔▔▔▏
 *                   :- - - -▕ FMenuBar ▏
 *                   :       ▕▁▁▁▁▁▁▁▁▁▁▏
 *                   :
 *                   :      *▕▔▔▔▔▔▔▔▔▔▏
 *                   :- - - -▕ FString ▏
 *                   :       ▕▁▁▁▁▁▁▁▁▁▏
 *                   :
 *                   :      *▕▔▔▔▔▔▔▔▔▏
 *                   :- - - -▕ FEvent ▏
 *                   :       ▕▁▁▁▁▁▁▁▁▏
 *                   :
 *                   :      *▕▔▔▔▔▔▔▔▔▔▔▔▏
 *                   :- - - -▕ FKeyEvent ▏
 *                   :       ▕▁▁▁▁▁▁▁▁▁▁▁▏
 *                   :
 *                   :      *▕▔▔▔▔▔▔▔▔▔▔▔▔▔▏
 *                   :- - - -▕ FMouseEvent ▏
 *                   :       ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▏
 *                   :
 *                   :      *▕▔▔▔▔▔▔▔▔▔▔▔▔▔▏
 *                   :- - - -▕ FWheelEvent ▏
 *                   :       ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▏
 *                   :
 *                   :      *▕▔▔▔▔▔▔▔▔▔▔▔▔▔▏
 *                   :- - - -▕ FFocusEvent ▏
 *                   :       ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▏
 *                   :
 *                   :      *▕▔▔▔▔▔▔▔▔▔▔▔▔▔▏
 *                   :- - - -▕ FAccelEvent ▏
 *                   :       ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▏
 *                   :
 *                   :      *▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
 *                   :- - - -▕ FResizeEvent ▏
 *                   :       ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
 *                   :
 *                   :      *▕▔▔▔▔▔▔▔▔▔▔▔▔▏
 *                   :- - - -▕ FShowEvent ▏
 *                   :       ▕▁▁▁▁▁▁▁▁▁▁▁▁▏
 *                   :
 *                   :      *▕▔▔▔▔▔▔▔▔▔▔▔▔▏
 *                   :- - - -▕ FHideEvent ▏
 *                   :       ▕▁▁▁▁▁▁▁▁▁▁▁▁▏
 *                   :
 *                   :      *▕▔▔▔▔▔▔▔▔▔▔▔▔▔▏
 *                   └- - - -▕ FCloseEvent ▏
 *                           ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▏
 */

#ifndef FWIDGET_H
#define FWIDGET_H

#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
  #error "Only <final/final.h> can be included directly."
#endif

#include <vector>

#include "final/fvterm.h"
#include "final/fwidgetcolors.h"


// Callback macros
#define F_FUNCTION_CALLBACK(h) \
           reinterpret_cast<FWidget::FCallback>((h))

#define F_METHOD_CALLBACK(i,h) \
           reinterpret_cast<FWidget*>((i)) \
         , reinterpret_cast<FWidget::FMemberCallback>((h))

// class forward declaration
class FStatusBar;
class FMenuBar;

//----------------------------------------------------------------------
// class FWidget
//----------------------------------------------------------------------

#pragma pack(push)
#pragma pack(1)

class FWidget : public FVTerm, public FObject
{
  public:
     // Using-declaration
    using FVTerm::setColor;

    struct accelerator
    {
      int key;
      FWidget* object;
    };

    // Typedefs
    typedef std::vector<FWidget*> widgetList;
    typedef void* data_ptr;
    typedef void (*FCallback)(FWidget*, data_ptr);
    typedef void (FWidget::*FMemberCallback)(FWidget*, data_ptr);
    typedef std::vector<accelerator> Accelerators;

    // Constructor
    explicit FWidget (FWidget* = 0, bool = false);

    // Destructor
    ~FWidget();

    // Accessors
    const char*        getClassName() const;
    FWidget*           getRootWidget() const;
    FWidget*           getParentWidget() const;
    static FWidget*    getMainWidget();
    virtual FWidget*   getFocusWidget() const;
    virtual FWidget*   getFirstFocusableWidget (FObjectList);
    virtual FWidget*   getLastFocusableWidget (FObjectList);
    static FWidget*    getClickedWidget();
    static FWidget*    getMoveSizeWidget();
    static FWidget*    getOpenMenu();
    static FMenuBar*   getMenuBar();
    static FStatusBar* getStatusBar();
    FString            getStatusbarMessage() const;
    short              getForegroundColor() const;  // get the primary
    short              getBackgroundColor() const;  // widget colors
    int                getX() const;  // positioning
    int                getY() const;
    const FPoint       getPos() const;
    int                getTermX() const;
    int                getTermY() const;
    const FPoint       getTermPos() const;
    int                getWidth() const;
    int                getHeight() const;
    int                getTopPadding() const;
    int                getLeftPadding() const;
    int                getBottomPadding() const;
    int                getRightPadding() const;
    int                getClientWidth() const;
    int                getClientHeight() const;
    int                getMaxWidth() const;
    int                getMaxHeight() const;
    const FPoint&      getShadow() const;
    const FRect&       getGeometry() const;
    const FRect&       getGeometryWithShadow();
    const FRect&       getTermGeometry();
    const FRect&       getTermGeometryWithShadow();
    int                getDesktopWidth();
    int                getDesktopHeight();
    int                getFlags() const;
    FPoint             getCursorPos();
    FPoint             getPrintPos();
    std::vector<bool>& doubleFlatLine_ref (fc::sides);

    // Mutators
    static void        setMainWidget (FWidget*);
    virtual void       setFocusWidget (FWidget*);
    static void        setClickedWidget (FWidget*);
    static void        setMoveSizeWidget (FWidget*);
    static void        setOpenMenu (FWidget*);
    virtual void       setStatusbarMessage (const FString&);
    bool               setVisible();
    virtual bool       setEnable (bool);
    virtual bool       setEnable();
    virtual bool       unsetEnable();
    virtual bool       setDisable();
    virtual bool       setVisibleCursor (bool);  // input cursor visibility
    virtual bool       setVisibleCursor();       // for the widget
    virtual bool       unsetVisibleCursor();
    virtual bool       setFocus (bool);
    virtual bool       setFocus();
    virtual bool       unsetFocus();
    void               setFocusable();
    void               unsetFocusable();
    bool               ignorePadding (bool);    // ignore padding from
    bool               ignorePadding();         // the parent widget
    bool               acceptPadding();
    void               setForegroundColor (short);
    void               setBackgroundColor (short);
    void               setColor();
    virtual void       setX (int, bool = true);  // positioning
    virtual void       setY (int, bool = true);
    virtual void       setPos (const FPoint&, bool = true);
    virtual void       setPos (int, int, bool = true);
    virtual void       setWidth (int, bool = true);
    virtual void       setHeight (int, bool = true);
    virtual void       setSize (int, int, bool = true);
    void               setTopPadding (int, bool = true);
    void               setLeftPadding (int, bool = true);
    void               setBottomPadding (int, bool = true);
    void               setRightPadding (int, bool = true);
    void               setParentOffset();
    void               setTermOffset();
    void               setTermOffsetWithPadding();
    void               setTermSize (int, int);
    virtual void       setGeometry (const FRect&, bool = true);
    virtual void       setGeometry (int, int, int, int, bool = true);
    virtual void       setShadowSize (int, int);
    void               setMinimumWidth (int);
    void               setMinimumHeight (int);
    void               setMinimumSize (int, int);
    void               setMaximumWidth (int);
    void               setMaximumHeight (int);
    void               setMaximumSize (int, int);
    void               setFixedSize (int, int);
    bool               setCursorPos (const FPoint&);
    bool               setCursorPos (int, int);
    void               unsetCursorPos();
    void               setPrintPos (const FPoint&);
    void               setPrintPos (int, int);
    void               setDoubleFlatLine (fc::sides, bool = true);
    void               unsetDoubleFlatLine (fc::sides);
    void               setDoubleFlatLine (fc::sides, int, bool = true);
    void               unsetDoubleFlatLine (fc::sides, int);

    // Inquiries
    bool               isRootWidget() const;
    bool               isWindowWidget() const;
    bool               isDialogWidget() const;
    bool               isMenuWidget() const;
    bool               isVisible() const;
    bool               isShown() const;
    bool               isEnabled() const;
    bool               hasVisibleCursor() const;
    bool               hasFocus() const;
    bool               acceptFocus() const;  // is focusable
    bool               isPaddingIgnored();

    // Methods
    static FWidget*    childWidgetAt (FWidget*, const FPoint&);
    static FWidget*    childWidgetAt (FWidget*, int, int);
    int                numOfFocusableChildren();
    virtual bool       close();
    void               clearStatusbarMessage();
    void               addCallback ( const FString&
                                   , FCallback
                                   , data_ptr = null );
    void               addCallback ( const FString&
                                   , FWidget*
                                   , FMemberCallback
                                   , data_ptr = null );
    void               delCallback (FCallback);
    void               delCallback (FWidget*);
    void               delCallbacks();
    void               emitCallback (const FString&);
    void               addAccelerator (int);
    virtual void       addAccelerator (int, FWidget*);
    void               delAccelerator ();
    virtual void       delAccelerator (FWidget*);
    virtual void       redraw();
    virtual void       resize();
    virtual void       show();
    virtual void       hide();
    virtual bool       focusFirstChild();  // widget focusing
    virtual bool       focusLastChild();
    FPoint             termToWidgetPos (const FPoint&);
    void               detectTermSize();
    virtual void       move (const FPoint&);
    virtual void       move (int, int);
    void               drawShadow();
    void               clearShadow();
    void               drawFlatBorder();
    void               clearFlatBorder();
    virtual void       drawBorder (int, int, int, int);
    virtual void       drawBorder();
    static void        quit();

    // Data Members
    static widgetList* window_list;
    Accelerators*      accelerator_list;

  protected:
    struct callback_data
    {
      FString   cb_signal;
      FCallback cb_handler;
      data_ptr  data;
    };

    struct member_callback_data
    {
      FString         cb_signal;
      FWidget*        cb_instance;
      FMemberCallback cb_handler;
      data_ptr        data;
    };

    // Typedefs
    typedef std::vector<callback_data> CallbackObjects;
    typedef std::vector<member_callback_data> MemberCallbackObjects;

    // Accessor
    term_area*         getPrintArea();
    void               addPreprocessingHandler ( FVTerm*
                                               , FPreprocessingHandler );
    void               delPreprocessingHandler (FVTerm*);

    // Inquiry
    bool               isChildPrintArea() const;

    // Mutators
    virtual void       setStatusBar (FStatusBar*);
    virtual void       setMenuBar (FMenuBar*);

    // Methods
    virtual void       adjustSize();
    void               adjustSizeGlobal();
    virtual bool       focusNextChild();  // Change child...
    virtual bool       focusPrevChild();  // ...focus

    // Event handlers
    bool               event (FEvent*);
    virtual void       onKeyPress (FKeyEvent*);
    virtual void       onKeyUp (FKeyEvent*);
    virtual void       onKeyDown (FKeyEvent*);
    virtual void       onMouseDown (FMouseEvent*);
    virtual void       onMouseUp (FMouseEvent*);
    virtual void       onMouseDoubleClick (FMouseEvent*);
    virtual void       onWheel (FWheelEvent*);
    virtual void       onMouseMove (FMouseEvent*);
    virtual void       onFocusIn (FFocusEvent*);
    virtual void       onFocusOut (FFocusEvent*);
    virtual void       onChildFocusIn (FFocusEvent*);
    virtual void       onChildFocusOut (FFocusEvent*);
    virtual void       onAccel (FAccelEvent*);
    virtual void       onResize (FResizeEvent*);
    virtual void       onShow (FShowEvent*);
    virtual void       onHide (FHideEvent*);
    virtual void       onClose (FCloseEvent*);

    // Data Members
    int                   flags;
    static uInt           modal_dialogs;
    static FWidgetColors  wc;
    static widgetList*    dialog_list;
    static widgetList*    always_on_top_list;
    static widgetList*    close_widget;
    CallbackObjects       callback_objects;
    MemberCallbackObjects member_callback_objects;

  private:
    // Disable copy constructor
    FWidget (const FWidget&);

    // Disable assignment operator (=)
    FWidget& operator = (const FWidget&);

    // Methods
    void               init();
    void               finish();
    void               insufficientSpaceAdjust();
    void               KeyPressEvent (FKeyEvent*);
    void               KeyDownEvent (FKeyEvent*);
    bool               changeFocus (FWidget*, FWidget*, fc::FocusTypes);
    void               processDestroy();
    virtual void       draw();
    void               drawWindows();
    void               drawChildren();
    void               drawTransparentShadow (int, int, int, int);
    void               drawBlockShadow (int, int, int, int);
    void               drawBox (int, int, int, int);
    void               drawNewFontBox (int, int, int, int);
    static void        setColorTheme();

    // Data Members
    bool               enable;
    bool               visible;
    bool               shown;
    bool               focus;
    bool               focusable;
    bool               visible_cursor;
    FPoint             widget_cursor_position;

    struct widget_size_hints
    {
      widget_size_hints()
      : min_width  (INT_MIN)
      , min_height (INT_MIN)
      , max_width  (INT_MAX)
      , max_height (INT_MAX)
      { }

      ~widget_size_hints()
      { }

      void setMinimum (int w, int h)
      {
        min_width = w;
        min_height = h;
      }

      void setMaximum (int w, int h)
      {
        max_width = w;
        max_height = h;
      }

      int min_width;
      int min_height;
      int max_width;
      int max_height;
    } size_hints;

    struct dbl_line_mask
    {
      dbl_line_mask() : top(), right(), bottom(), left()
      { }

      ~dbl_line_mask()
      { }

      std::vector<bool> top;
      std::vector<bool> right;
      std::vector<bool> bottom;
      std::vector<bool> left;
    } double_flatline_mask;

    struct widget_padding
    {
      widget_padding() : top(0), left(0), bottom(0), right(0)
      { }

      ~widget_padding()
      { }

      int top;
      int left;
      int bottom;
      int right;
    } padding;

    bool               ignore_padding;

    // widget size
    FRect              wsize;
    FRect              adjust_wsize;
    FRect              adjust_wsize_term;
    FRect              adjust_wsize_shadow;
    FRect              adjust_wsize_term_shadow;
    // widget offset
    FRect              offset;
    // offset of the widget client area
    FRect              client_offset;
    // widget shadow size (on the right and bottom side)
    FPoint             wshadow;

    // default widget foreground and background color
    short              foreground_color;
    short              background_color;

    FString            statusbar_message;
    static FStatusBar* statusbar;
    static FMenuBar*   menubar;
    static FWidget*    show_root_widget;
    static FWidget*    redraw_root_widget;
    static bool        init_desktop;
    static bool        hideable;

    // Friend class
    friend class FToggleButton;
    friend class FScrollView;
};

#pragma pack(pop)

// FWidget inline functions
//----------------------------------------------------------------------
inline const char* FWidget::getClassName() const
{ return "FWidget"; }

//----------------------------------------------------------------------
inline FString FWidget::getStatusbarMessage() const
{ return statusbar_message; }

//----------------------------------------------------------------------
inline short FWidget::getForegroundColor() const
{ return foreground_color; }

//----------------------------------------------------------------------
inline short FWidget::getBackgroundColor() const
{ return background_color; }

//----------------------------------------------------------------------
inline int FWidget::getX() const  // x-position relative to the widget
{ return adjust_wsize.getX(); }

//----------------------------------------------------------------------
inline int FWidget::getY() const  // y-position relative to the widget
{ return adjust_wsize.getY(); }

//----------------------------------------------------------------------
inline const FPoint FWidget::getPos() const  // position relative to the widget
{ return adjust_wsize.getPos(); }

//----------------------------------------------------------------------
inline int FWidget::getTermX() const  // x-position on terminal
{ return offset.getX1() + adjust_wsize.getX(); }

//----------------------------------------------------------------------
inline int FWidget::getTermY() const  // y-position on terminal
{ return offset.getY1() + adjust_wsize.getY(); }

//----------------------------------------------------------------------
inline const FPoint FWidget::getTermPos() const  // position on terminal
{ return FPoint(getTermX(), getTermY()); }

//----------------------------------------------------------------------
inline int FWidget::getWidth() const
{ return adjust_wsize.getWidth(); }

//----------------------------------------------------------------------
inline int FWidget::getHeight() const
{ return adjust_wsize.getHeight(); }

//----------------------------------------------------------------------
inline int FWidget::getTopPadding() const
{ return padding.top; }

//----------------------------------------------------------------------
inline int FWidget::getLeftPadding() const
{ return padding.left; }

//----------------------------------------------------------------------
inline int FWidget::getBottomPadding() const
{ return padding.bottom; }

//----------------------------------------------------------------------
inline int FWidget::getRightPadding() const
{ return padding.right; }

//----------------------------------------------------------------------
inline int FWidget::getClientWidth() const
{ return client_offset.getWidth(); }

//----------------------------------------------------------------------
inline int FWidget::getClientHeight() const
{ return client_offset.getHeight(); }

//----------------------------------------------------------------------
inline int FWidget::getMaxWidth() const
{ return offset.getWidth(); }

//----------------------------------------------------------------------
inline int FWidget::getMaxHeight() const
{ return offset.getHeight(); }

//----------------------------------------------------------------------
inline const FPoint& FWidget::getShadow() const
{ return wshadow; }

//----------------------------------------------------------------------
inline const FRect& FWidget::getGeometry() const
{ return adjust_wsize; }

//----------------------------------------------------------------------
inline const FRect& FWidget::getGeometryWithShadow()
{
  adjust_wsize_shadow.setCoordinates
  (
    adjust_wsize.x1_ref(),
    adjust_wsize.y1_ref(),
    adjust_wsize.x2_ref() + wshadow.x_ref(),
    adjust_wsize.y2_ref() + wshadow.y_ref()
  );

  return adjust_wsize_shadow;
}

//----------------------------------------------------------------------
inline const FRect& FWidget::getTermGeometry()
{
  adjust_wsize_term.setCoordinates
  (
    adjust_wsize.x1_ref() + offset.x1_ref(),
    adjust_wsize.y1_ref() + offset.y1_ref(),
    adjust_wsize.x2_ref() + offset.x1_ref(),
    adjust_wsize.y2_ref() + offset.y1_ref()
  );

  return adjust_wsize_term;
}

//----------------------------------------------------------------------
inline const FRect& FWidget::getTermGeometryWithShadow()
{
  adjust_wsize_term_shadow.setCoordinates
  (
    adjust_wsize.x1_ref() + offset.x1_ref(),
    adjust_wsize.y1_ref() + offset.y1_ref(),
    adjust_wsize.x2_ref() + offset.x1_ref() + wshadow.x_ref(),
    adjust_wsize.y2_ref() + offset.y1_ref() + wshadow.y_ref()
  );

  return adjust_wsize_term_shadow;
}

//----------------------------------------------------------------------
inline int FWidget::getDesktopWidth()
{ return getColumnNumber(); }

//----------------------------------------------------------------------
inline int FWidget::getDesktopHeight()
{ return getLineNumber(); }

//----------------------------------------------------------------------
inline int FWidget::getFlags() const
{ return flags; }

//----------------------------------------------------------------------
inline FPoint FWidget::getCursorPos()
{ return widget_cursor_position; }

//----------------------------------------------------------------------
inline bool FWidget::setVisible()
{ return visible = true; }

//----------------------------------------------------------------------
inline bool FWidget::setEnable()
{ return setEnable(true); }

//----------------------------------------------------------------------
inline bool FWidget::unsetEnable()
{ return setEnable(false); }

//----------------------------------------------------------------------
inline bool FWidget::setDisable()
{ return setEnable(false); }

//----------------------------------------------------------------------
inline bool FWidget::setVisibleCursor (bool on)
{ return visible_cursor = ( on ) ? true : (( hideable ) ? false : true); }

//----------------------------------------------------------------------
inline bool FWidget::setVisibleCursor()
{ return setVisibleCursor(true); }

//----------------------------------------------------------------------
inline bool FWidget::unsetVisibleCursor()
{ return setVisibleCursor(false); }

//----------------------------------------------------------------------
inline bool FWidget::setFocus()
{ return setFocus(true); }

//----------------------------------------------------------------------
inline bool FWidget::unsetFocus()
{ return setFocus(false); }

//----------------------------------------------------------------------
inline void FWidget::setFocusable()
{ focusable = true; }

//----------------------------------------------------------------------
inline void FWidget::unsetFocusable()
{ focusable = false; }

//----------------------------------------------------------------------
inline bool FWidget::ignorePadding (bool on)
{ return ignore_padding = on; }

//----------------------------------------------------------------------
inline bool FWidget::ignorePadding()
{ return ignore_padding = true; }

//----------------------------------------------------------------------
inline bool FWidget::acceptPadding()
{ return ignore_padding = false; }

//----------------------------------------------------------------------
inline void FWidget::setForegroundColor (short color)
{
  // valid colors -1..254
  if ( color == fc::Default || color >> 8 == 0 )
    foreground_color = color;
}

//----------------------------------------------------------------------
inline void FWidget::setBackgroundColor (short color)
{
  // valid colors -1..254
  if ( color == fc::Default || color >> 8 == 0 )
    background_color = color;
}

//----------------------------------------------------------------------
inline void FWidget::setPos (const FPoint& p, bool adjust)
{ setPos (p.getX(), p.getY(), adjust); }

//----------------------------------------------------------------------
inline void FWidget::setGeometry (const FRect& box, bool adjust)
{
  setGeometry ( box.getX()
              , box.getY()
              , box.getWidth()
              , box.getHeight()
              , adjust );
}

//----------------------------------------------------------------------
inline void FWidget::setShadowSize (int right, int bottom)
{ wshadow.setPoint (right, bottom); }

//----------------------------------------------------------------------
inline void FWidget::setMinimumWidth (int min_width)
{ size_hints.setMinimum (min_width, size_hints.min_height); }

//----------------------------------------------------------------------
inline void FWidget::setMinimumHeight (int min_height)
{ size_hints.setMinimum (size_hints.min_width, min_height); }

//----------------------------------------------------------------------
inline void FWidget::setMinimumSize (int min_width, int min_height)
{ size_hints.setMinimum (min_width, min_height); }

//----------------------------------------------------------------------
inline void FWidget::setMaximumWidth (int max_width)
{ size_hints.setMaximum (max_width, size_hints.max_height); }

//----------------------------------------------------------------------
inline void FWidget::setMaximumHeight (int max_height)
{ size_hints.setMaximum (size_hints.max_width, max_height); }

//----------------------------------------------------------------------
inline void FWidget::setMaximumSize (int max_width, int max_height)
{ size_hints.setMaximum (max_width, max_height); }

//----------------------------------------------------------------------
inline void FWidget::setFixedSize (int width, int height)
{
  size_hints.setMinimum (width, height);
  size_hints.setMaximum (width, height);
}

//----------------------------------------------------------------------
inline bool FWidget::setCursorPos (const FPoint& pos)
{ return setCursorPos (pos.getX(), pos.getY()); }

//----------------------------------------------------------------------
inline void FWidget::unsetCursorPos()
{ setCursorPos(-1, -1); }

//----------------------------------------------------------------------
inline void FWidget::setPrintPos (const FPoint& pos)
{ setPrintPos (pos.getX(), pos.getY()); }

//----------------------------------------------------------------------
inline void FWidget::unsetDoubleFlatLine (fc::sides side)
{ setDoubleFlatLine(side, false); }

//----------------------------------------------------------------------
inline void FWidget::unsetDoubleFlatLine (fc::sides side, int pos)
{ setDoubleFlatLine(side, pos, false); }

//----------------------------------------------------------------------
inline bool FWidget::isRootWidget() const
{ return (! hasParent()); }

//----------------------------------------------------------------------
inline bool FWidget::isVisible() const
{ return visible; }

//----------------------------------------------------------------------
inline bool FWidget::isShown() const
{ return shown; }

//----------------------------------------------------------------------
inline bool FWidget::isWindowWidget() const
{ return ((flags & fc::window_widget) != 0); }

//----------------------------------------------------------------------
inline bool FWidget::isDialogWidget() const
{ return ((flags & fc::dialog_widget) != 0); }

//----------------------------------------------------------------------
inline bool FWidget::isMenuWidget() const
{ return ((flags & fc::menu_widget) != 0); }

//----------------------------------------------------------------------
inline bool FWidget::isEnabled() const
{ return enable; }

//----------------------------------------------------------------------
inline bool FWidget::hasVisibleCursor() const
{ return visible_cursor; }

//----------------------------------------------------------------------
inline bool FWidget::hasFocus() const
{ return focus; }

//----------------------------------------------------------------------
inline bool FWidget::acceptFocus() const  // is focusable
{ return focusable; }

//----------------------------------------------------------------------
inline bool FWidget::isPaddingIgnored()
{ return ignore_padding; }

//----------------------------------------------------------------------
inline FWidget* FWidget::childWidgetAt (FWidget* p, const FPoint& pos)
{ return childWidgetAt (p, pos.getX(), pos.getY()); }

//----------------------------------------------------------------------
inline void FWidget::clearStatusbarMessage()
{ statusbar_message.clear(); }

//----------------------------------------------------------------------
inline void FWidget::addAccelerator (int key)
{ addAccelerator (key, this); }

//----------------------------------------------------------------------
inline void FWidget::delAccelerator()
{ delAccelerator(this); }

//----------------------------------------------------------------------
inline FPoint FWidget::termToWidgetPos (const FPoint& tPos)
{
  return FPoint ( tPos.getX() + 1 - offset.getX1() - adjust_wsize.getX()
                , tPos.getY() + 1 - offset.getY1() - adjust_wsize.getY() );
}

//----------------------------------------------------------------------
inline void FWidget::move (const FPoint& pos)
{ move( pos.getX(), pos.getY() ); }

//----------------------------------------------------------------------
inline void FWidget::drawBorder()
{ drawBorder (1, 1, getWidth(), getHeight()); }

//----------------------------------------------------------------------
inline void FWidget::processDestroy()
{ emitCallback("destroy"); }


// Non-member elements for NewFont
//----------------------------------------------------------------------
const wchar_t NF_Drive[5] =
{
  fc::NF_shadow_box_left,
  fc::NF_shadow_box_middle,
  fc::NF_shadow_box_hdd,
  fc::NF_shadow_box_right,
  '\0'
};

const wchar_t NF_CD_ROM[5] =
{
  fc::NF_shadow_box_left,
  fc::NF_shadow_box_middle,
  fc::NF_shadow_box_cd,
  fc::NF_shadow_box_right,
  '\0'
};

const wchar_t NF_Net_Drive[5] =
{
  fc::NF_shadow_box_left,
  fc::NF_shadow_box_middle,
  fc::NF_shadow_box_net,
  fc::NF_shadow_box_right,
  '\0'
};

const wchar_t CHECKBOX[4] =
{
  fc::NF_shadow_box_left,
  fc::NF_shadow_box_middle,
  fc::NF_shadow_box_right,
  '\0'
};

const wchar_t CHECKBOX_ON[4] =
{
  fc::NF_shadow_box_left,
  fc::NF_shadow_box_checked,
  fc::NF_shadow_box_right,
  '\0'
};

const wchar_t RADIO_BUTTON[4] =
{
  fc::NF_radio_button1,
  fc::NF_radio_button2,
  fc::NF_radio_button3,
  '\0'
};

const wchar_t CHECKED_RADIO_BUTTON[4] =
{
  fc::NF_radio_button1,
  fc::NF_radio_button2_checked,
  fc::NF_radio_button3,
  '\0'
};

#endif  // FWIDGET_H