gecko-dev/cmd/macfe/gui/CHyperScroller.h

92 строки
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#pragma once
#include "CConfigActiveScroller.h"
/******************************************************************************
* CHyperScroller
* Each hyperview needs the ability to show/hide a
* - focus/dragging border
* - scrollers
* This is implemented as an addition to the LScroller class, because LScroller
* already manages the scrollbars
******************************************************************************/
class CHyperScroller: public CConfigActiveScroller
{
#if !defined(__MWERKS__) || (__MWERKS__ >= 0x2000)
typedef CConfigActiveScroller inherited;
#endif
public:
friend class CHyperView;
enum { class_ID = 'HSCR' };
CHyperScroller( LStream* inStream );
void ResetExpansion(void);
void ExpandLeft(void);
void ExpandTop(void);
void ExpandRight(void);
void ExpandBottom(void);
// ¥ display control
void ShowScrollbars( Boolean hori, Boolean vert );
Boolean HasScrollbars() { return ( !fVerticalBar && !fHorizontalBar ); }
Boolean HasVerticalScrollbar() { return !fVerticalBar;}
Boolean HasHorizontalScrollbar() {return !fHorizontalBar; }
// Draw a little gray rectangle next to scrollers if needed
void DrawDummySizeBox();
void AdjustHyperViewBounds(void);
virtual void AdjustScrollBars();
virtual void RefreshSelf();
// Access to handle grow icon state
Boolean GetHandleGrowIconManually() { return mHandleGrowIconManually; }
void SetHandleGrowIconManually(Boolean inState)
{ mHandleGrowIconManually = inState; }
// Override ClickSelf so that we can handle grow icon clicking
virtual void ClickSelf(const SMouseDownEvent &inMouseDown);
protected:
// ¥ Standard overrides
virtual void FinishCreateSelf(void);
virtual void DrawSelf(void);
virtual void ActivateSelf();
SBooleanRect mExpanded;
Rect CalcDummySizeBox(); // Rectangle enclosing the dummy box
void DrawEmptyScroller( LStdControl* scrollBar );
LStdControl* fVerticalBar; // When it is hidden, we need to save this value
// because LScroller assumes that we want scrollbars
// to be visible. The only way to turn this off
// is to set scrollbars to NIL.
LStdControl* fHorizontalBar;
Boolean mHandleGrowIconManually;
};