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