зеркало из https://github.com/mozilla/gecko-dev.git
130 строки
4.4 KiB
C++
130 строки
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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//
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// CScrollerWithArrows
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// Mike Pinkerton, Netscape Communications
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//
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// Contains:
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//
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// ¥ CScrollerWithArrows
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// A class which provides scrolling in one direction, vertical or
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// horizontal, by using directional arrows at either end of the
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// bar. If the height is longer than the width, we assume vertical
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// scrolling (and vice versa).
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//
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// ¥ CScrollArrowControl
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// The arrow control which sends a message to scroll in a particular
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// direction. Used by above class.
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//
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#pragma once
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#include <LGAIconButton.h>
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class CScrollerWithArrows : public LView,
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public LListener {
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public:
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enum { class_ID = 'CSWA' };
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CScrollerWithArrows ( );
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CScrollerWithArrows ( LStream *inStream );
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virtual ~CScrollerWithArrows ( );
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bool IsVertical ( ) const { return mIsVertical; }
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virtual void InstallView ( LView *inScrollingView );
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virtual void ExpandSubPane ( LPane *inSub, Boolean inExpandHoriz, Boolean inExpandVert );
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virtual void AdjustScrollArrows ( );
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virtual void ResizeFrameBy ( Int16 inWidthDelta, Int16 inHeightDelta, Boolean inRefresh );
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virtual void SubImageChanged ( LView *inSubView );
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virtual void ListenToMessage ( MessageT inMessage, void *ioParam );
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protected:
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enum ScrollDir { kUpLeft, kDownRight } ;
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typedef struct { // read in from constructor stream
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Int16 leftIndent;
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Int16 rightIndent;
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Int16 topIndent;
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Int16 bottomIndent;
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PaneIDT scrollingViewID;
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} SScrollerArrowInfo;
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LView* mScrollingView; // the view that is scrolled
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PaneIDT mScrollingViewID; // pane id of view that scrolls
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LControl* mUpLeftArrow; // our two scroll arrows
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LControl* mDownRightArrow;
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bool mIsVertical; // true if we scroll up/down, false if left/right
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// Standard PowerPlant overrides for drawing/activation
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virtual void FinishCreateSelf();
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virtual void ActivateSelf();
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virtual void DeactivateSelf();
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// Override this to create a different kind of scroll arrow
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virtual LControl* MakeOneScrollArrow ( const SPaneInfo &inPaneInfo,
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ScrollDir inScrollWhichWay ) ;
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void MakeScrollArrows ( Int16 inLeftIndent, Int16 inRightIndent, Int16 inTopIndent,
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Int16 inBottomIndent);
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}; // class CScrollerWithArrows
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class CScrollArrowControl : public LGAIconButton
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{
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public:
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enum { class_ID = 'CSAC' } ;
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enum { kIconUp = 14504, kIconDown = 14505, kIconLeft = 14504, kIconRight = 14505 } ;
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CScrollArrowControl ( const SPaneInfo &inPaneInfo, const SControlInfo &inControlInfo,
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ResIDT inIconResID );
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CScrollArrowControl ( LStream* inStream ) ;
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protected:
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virtual void DrawSelf ( ) ;
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virtual void HotSpotAction ( Int16 inHotSpot, Boolean inCurrInside, Boolean inPrevInside );
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}; // class CScrollArrowControl
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