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PC World Komputer 1998 May
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OWLINC.PAK
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MDI.H
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C/C++ Source or Header
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1995-08-29
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4KB
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136 lines
//----------------------------------------------------------------------------
// ObjectWindows
// (C) Copyright 1991, 1994 by Borland International, All Rights Reserved
//
// Definition of TMDIClient and TMDIFrame classes
//----------------------------------------------------------------------------
#if !defined(OWL_MDI_H)
#define OWL_MDI_H
#if !defined(OWL_FRAMEWIN_H)
# include <owl/framewin.h>
#endif
#if !defined(OWL_MDICHILD_H)
# include <owl/mdichild.h>
#endif
#include <owl/mdi.rh>
class _OWLCLASS TMDIFrame;
//
// class TMDIClient
// ----- ----------
//
class _OWLCLASS TMDIClient : public virtual TWindow {
public:
LPCLIENTCREATESTRUCT ClientAttr;
TMDIClient(TModule* module = 0);
~TMDIClient();
virtual bool CloseChildren();
TMDIChild* GetActiveMDIChild();
//
// member functions to arrange the MDI children
//
virtual void ArrangeIcons();
virtual void CascadeChildren();
virtual void TileChildren(int tile = MDITILE_VERTICAL);
//
// override member functions defined by TWindow
//
bool PreProcessMsg(MSG& msg);
bool Create();
virtual TWindow* CreateChild();
//
// constructs a new MDI child window object. by default, constructs an
// instance of TWindow as an MDI child window object
//
// will almost always be overriden by derived classes to construct an
// instance of a user-defined TWindow derived class as an MDI child window
// object
//
virtual TMDIChild* InitChild();
protected:
char far* GetClassName();
//
// menu command handlers & enabler
//
void CmCreateChild() {CreateChild();} // CM_CREATECHILD
void CmTileChildren() {TileChildren();} // CM_TILECHILDREN
void CmTileChildrenHoriz() {TileChildren(MDITILE_HORIZONTAL);} // CM_TILECHILDREN
void CmCascadeChildren() {CascadeChildren();} // CM_CASCADECHILDREN
void CmArrangeIcons() {ArrangeIcons();} // CM_ARRANGEICONS
void CmCloseChildren() {CloseChildren();} // CM_CLOSECHILDREN
void CmChildActionEnable(TCommandEnabler& commandEnabler);
LRESULT EvMDICreate(MDICREATESTRUCT far& createStruct);
void EvMDIDestroy(HWND hWnd);
private:
friend class TMDIFrame;
TMDIClient(HWND hWnd, TModule* module = 0);
//
// hidden to prevent accidental copying or assignment
//
TMDIClient(const TMDIClient&);
TMDIClient& operator =(const TMDIClient&);
DECLARE_RESPONSE_TABLE(TMDIClient);
DECLARE_STREAMABLE(_OWLCLASS, TMDIClient, 1);
};
//
// class TMDIFrame
// ----- ---------
//
class _OWLCLASS TMDIFrame : virtual public TFrameWindow {
public:
TMDIFrame(const char far* title,
TResId menuResId,
TMDIClient& clientWnd = *new TMDIClient,
TModule* module = 0);
TMDIFrame(HWND hWindow, HWND clientHWnd, TModule* module = 0);
//
// override virtual functions defined by TFrameWindow or TWindow
//
bool SetMenu(HMENU);
TMDIClient* GetClientWindow();
virtual HWND GetCommandTarget();
void PerformCreate(int menuOrId);
//
// find & return the child menu of an MDI frame's (or anyone's) menu bar.
//
static HMENU FindChildMenu(HMENU);
protected:
//
// call ::DefFrameProc() instead of ::DefWindowProc()
//
LRESULT DefWindowProc(uint message, WPARAM wParam, LPARAM lParam);
private:
//
// hidden to prevent accidental copying or assignment
//
TMDIFrame(const TMDIFrame&);
TMDIFrame& operator=(const TMDIFrame&);
DECLARE_RESPONSE_TABLE(TMDIFrame);
DECLARE_STREAMABLE(_OWLCLASS, TMDIFrame, 1);
};
#endif // OWL_MDI_H