rolldial.h

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//----------------------------------------------------------------------------
// ObjectWindows
// Copyright (c) 1995, 1996 by Borland International, All Rights Reserved
//
//----------------------------------------------------------------------------
 
#if !defined(OWL_ROLLDIAL_H)
#define OWL_ROLLDIAL_H
 
#include <owl/private/defs.h>
#if defined(BI_HAS_PRAGMA_ONCE)
# pragma once
#endif
 
#include <owl/dialog.h>
 
 
namespace owl {
 
#include <owl/preclass.h>
 
/// \addtogroup dlg
/// @{
 
//
/// \class TRollDialog
// ~~~~~ ~~~~~~~~~~~
/// Allow a dialog to "roll" up and down, similar to the Corel interface.
/// This class is best used for modeless dialogs.
///
/// When the dialog is created, a menuitem is appended to the system menu.
/// This menu choice will be either Shrink or Expand depending upon which
/// state the dialog is currently in.
///
/// If the dialog contains minimize or maximize buttons, the behaviour
/// of those buttons map to shrink and expand respectively.
//
class _OWLCLASS TRollDialog : public TDialog {
  public:
    TRollDialog(TWindow* parent, TResId resId, bool animated = true,
                bool fullSize = true, TModule* module = 0);
 
    // Override virtuals
    //
    void SetupWindow() override;
 
  protected:
    void Shrink();
    void Expand();
    void EvSysCommand(uint, const TPoint&);
    bool IsFullSize;          ///< track if the dialog is currently full size
 
  private:
    /// Will need some enums to know when the mouse is over the non-client
    /// button or when the user selects the system menu for rolling.
    //
    enum {
      SC_ROLLDIALOG = 0xFF00,
    };
 
    void Resize(bool currentlyFullSize);
 
    int  Height;
    bool InitialFullSize;     ///< save constructor parameter
    bool HasSystemMenu;
    bool WantAnimation;
 
  DECLARE_RESPONSE_TABLE(TRollDialog);
};
 
/// @}
 
#include <owl/posclass.h>
 
 
} // OWL namespace
 
 
#endif // OWL_ROLLDIAL_H