child_frame.hpp

来自「ncbi源码」· HPP 代码 · 共 208 行

/*
 * ===========================================================================
 * PRODUCTION $Log: child_frame.hpp,v $
 * PRODUCTION Revision 1000.0  2003/10/31 22:36:59  gouriano
 * PRODUCTION PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R1.5
 * PRODUCTION
 * ===========================================================================
 */

#ifndef GUI_WIDGETS_TOPLEVEL___CHILD_FRAME__HPP
#define GUI_WIDGETS_TOPLEVEL___CHILD_FRAME__HPP

/*  $Id: child_frame.hpp,v 1000.0 2003/10/31 22:36:59 gouriano Exp $
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software/database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software/database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Authors:  Mike DiCuccio
 *
 * File Description:
 *    CChildFrame -- internal widget class that represents the frame
 *                   surrounding a given MDI child
 */

#include <gui/widgets/toplevel/child.hpp>

#include <FL/Fl.H>
#include <FL/Fl_Group.H>
#include <FL/Fl_Window.H>


BEGIN_NCBI_SCOPE


// private internal class for managing child frames
class CChildFrame : public Fl_Window
{
    friend class CTopLevel;

public:
    // enumerated list of possible child window states
    enum EState {
        eNormal,
        eMaximized,
        eMinimized,
    };

    CChildFrame(int x, int y, int w, int h, const char* label = NULL);
    ~CChildFrame();

    // get the current frame window state
    EState GetState    (void) const    { return m_State; }
    bool   GetMaximized(void) const    { return (m_State == eMaximized); }
    bool   GetMinimized(void) const    { return (m_State == eMinimized); }

    // attach / detach this frame to/from a child
    void Attach(CChild* child);
    void Detach(void);

    // FLTK overload: event handler
    int handle(int event);

    // FLTK overload: label
    void label(const char* text);
    const char* label(void) const;

    // accessors
    Fl_Group*   GetSysButtons(void)     { return m_SysButtons; }
    Fl_Group*   GetTitle     (void)     { return m_Title; }
    Fl_Group*   GetTitleBar  (void)     { return m_TitleBar; }

    // static accessors
    static Fl_Color     GetSelectedColor (void);
    static Fl_Boxtype   GetSysButtonBox  (void);
    static Fl_Color     GetSysButtonColor(void);
    static int          GetTitleAlign    (void);
    static int          GetTitleBarHeight(void);
    static Fl_Color     GetTitleColor    (void);
    static Fl_Font      GetTitleFont     (void);
    static int          GetTitleSize     (void);

    static void         SetSelectedColor (Fl_Color color);
    static void         SetSysButtonBox  (Fl_Boxtype box);
    static void         SetSysButtonColor(Fl_Color color);
    static void         SetTitleAlign    (int align);
    static void         SetTitleBarHeight(int h);
    static void         SetTitleColor    (Fl_Color color);
    static void         SetTitleFont     (Fl_Font font);
    static void         SetTitleSize     (int h);

private:

    // group for the title bar
    Fl_Group* m_TitleBar;

    // group for the title itself
    Fl_Group* m_Title;

    // group for the system buttons
    Fl_Group* m_SysButtons;

    // the child we wrap
    CChild*   m_Child;

    // state for this frame
    EState    m_State;

    // saved position of the window, for restore from minimization /
    // maximization
    int m_SavedPos[4];

    // enumerated values of our current mouse state
    // this controls how we interact with the child frame
    enum EDragState {
        eIdle,
        eMoving,
        eResizing,
    };

    // flags that determine which edges of the window we're dragging
    enum FBorderDrag {
        fLeftBorderDrag   = 0x01,
        fRightBorderDrag  = 0x02,
        fTopBorderDrag    = 0x04,
        fBottomBorderDrag = 0x08,
    };
    typedef int TBorderDrag;    // bitmask of FBorderDrag

    // the state of our mouse-window interaction
    EDragState  m_DragState;

    // flags that determine which edges of the window we're dragging
    TBorderDrag m_BorderDrag;

    // stored offsets of our window size for delayed drag / move
    // this is used to draw an overlay box
    int         m_DragSize[4];

    // last mouse position of our event
    pair<int, int> m_LastMousePos;

    // statics for global look-and-feel
    static Fl_Boxtype   sm_SysButtonBox;
    static Fl_Color     sm_SysButtonColor;
    static Fl_Color     sm_SelectedColor;
    static Fl_Color     sm_UnselectedColor;
    static Fl_Font      sm_TitleFont;
    static int          sm_TitleSize;
    static int          sm_TitleAlign;
    static Fl_Color     sm_TitleColor;
    static int          sm_TitleBarHeight;

};



END_NCBI_SCOPE


/*
 * ===========================================================================
 * $Log: child_frame.hpp,v $
 * Revision 1000.0  2003/10/31 22:36:59  gouriano
 * PRODUCTION: IMPORTED [ORIGINAL] Dev-tree R1.5
 *
 * Revision 1.5  2003/09/29 15:52:06  dicuccio
 * Deprecated gui/scope.hpp.  Merged gui/core/types.hpp into gui/types.hpp
 *
 * Revision 1.4  2003/03/17 14:55:41  dicuccio
 * Lots of clean-up.  Fixed memory leaks in test program; added more explicit
 * destruction pathway to support integration into Genome Workbench.  Added
 * explicit calls to cascade / tile widgets in a toplevel workspace.
 *
 * Revision 1.3  2003/03/07 18:14:58  dicuccio
 * Code clean-up.  Added missing accessors for look-n-feel statics; aligned
 * accessors in code
 *
 * Revision 1.2  2003/03/07 17:49:25  dicuccio
 * Small clean-ups.  Added description for each class.
 *
 * Revision 1.1  2003/03/07 17:36:08  dicuccio
 * Initial revision
 *
 * ===========================================================================
 */

#endif  // GUI_WIDGETS_TOPLEVEL___CHILD_FRAME__HPP