зеркало из https://github.com/mozilla/pjs.git
Fix hidden virtual functions.
This commit is contained in:
pinkerton%netscape.com
Родитель
351524239e
Коммит
cb23214345
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/* -*- 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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//
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// Implementation for a pair of classes that provided a tooltip that takes its text dynamically
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// based on the content of a pane and the mouse location. The CDynamicTooltipPane asks its
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// parent view what string it should display depending on the current mouse location.
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// The CDynamicTootipMixin class is mixed into the parent view to give the the correct
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// interface.
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//
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#include "CDynamicTooltips.h"
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//
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// CalcFrameWithRespectTo
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//
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// Figures out how big the tip needs to be and where it should be located in the port for
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// the tip text. We are guaranteed that |mTip| (the string holding the text) has already
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// been correctly set.
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//
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void
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CDynamicTooltipPane :: CalcFrameWithRespectTo( LWindow* inOwningWindow, LPane* inOwningPane,
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const EventRecord& inMacEvent,
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Rect& outTipFrame)
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{
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const short kXPadding = 5;
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const short kYPadding = 3;
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StTextState theTextSaver;
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UTextTraits::SetPortTextTraits(mTipTraitsID);
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FontInfo theFontInfo;
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::GetFontInfo(&theFontInfo);
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Int16 theTextHeight = theFontInfo.ascent + theFontInfo.descent + theFontInfo.leading + (2 * 2);
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Int16 theTextWidth = ::StringWidth(mTip) + (2 * ::CharWidth(char_Space));
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Point theLocalPoint = inMacEvent.where;
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GlobalToPortPoint(theLocalPoint);
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Rect theWindowFrame;
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inOwningPane->CalcPortFrameRect(theWindowFrame);
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outTipFrame.left = theLocalPoint.h + kXPadding;
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outTipFrame.top = theLocalPoint.v + kYPadding;
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outTipFrame.right = outTipFrame.left + theTextWidth + kXPadding;
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outTipFrame.bottom = outTipFrame.top + theTextHeight + kYPadding;
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ForceInPortFrame(inOwningWindow, outTipFrame);
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} // CDynamicTooltipPane :: CalcFrameWithRespectTo
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//
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// CalcTipText
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//
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// Asks the parent pane (which has the interface provided by the CDynamicTooltipMixin class)
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// for the tooltip at the current mouse location
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//
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void
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CDynamicTooltipPane :: CalcTipText( LWindow* /* inOwningWindow */, LPane* inOwningPane,
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const EventRecord& inMacEvent, StringPtr outTipText)
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{
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CDynamicTooltipMixin* parent = dynamic_cast<CDynamicTooltipMixin*>(inOwningPane);
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Assert_(parent != NULL);
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parent->FindTooltipForMouseLocation ( inMacEvent, outTipText );
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} // CDynamicTooltipPane :: CalcTipText
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@ -1,107 +0,0 @@
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/* -*- 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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//
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// Interface for a pair of classes that provided a tooltip that takes its text dynamically
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// based on the content of a pane and the mouse location. The CDynamicTooltipPane asks its
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// parent view what string it should display depending on the current mouse location.
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// The CDynamicTootipMixin class is mixed into the parent view to give the the correct
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// interface.
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//
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#pragma once
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#include "CTooltipAttachment.h"
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//
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// class CDynamicTooltipPane
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//
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// Handles querying the parent view to get the appropriate text based on the mouse location.
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// Works with the CDynamicTooltipMixin class, which the parent view MUST mixin for this
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// to work.
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//
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// To use this class instead of the normal tooltip pane, include the PPob id of an
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// instantiation of this class (located in Tooltips.cnst) in the appropriate
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// CTooltipAttachment's properties where it asks for the mTipPaneResID.
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//
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// NOTE: This will not _crash_ when the parent is not a CDynamicTooltipMixin, but will
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// assert so you know you're using it incorrectly.
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//
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class CDynamicTooltipPane : public CToolTipPane
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{
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public:
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enum { class_ID = 'DyTT' } ;
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CDynamicTooltipPane ( LStream* inStream ) : CToolTipPane(inStream) { };
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virtual ~CDynamicTooltipPane ( ) { } ;
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virtual void CalcFrameWithRespectTo(
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LWindow* inOwningWindow,
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LPane* inOwningPane,
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const EventRecord& inMacEvent,
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Rect& outTipFrame);
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virtual void CalcTipText(
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LWindow* inOwningWindow,
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LPane* inOwningPane,
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const EventRecord& inMacEvent,
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StringPtr outTipText);
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}; // CDynamicTooltipPane
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//
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// class CDynamicTooltipMixin
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//
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// Mix into your view/pane and override the appropriate methods to return the correct
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// information to the query for dynamic tooltip text from the CDynamicTooltipPane.
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// All methods are pure virtual so you must override them if you intend to use this class.
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//
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// There is no data in this class, as it only presents an interface.
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//
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// As a side note, in addition to implementing the FindTooltipforMouseLocation()
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// method, you will probably want to override MouseWithin() and track when the
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// mouse enters/leaves a "hot" area that gets a tooltip. This is quite important
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// if you want to hide the tooltip when the mouse moves away from that spot. The
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// code to do this in MouseWithin() would look something like:
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//
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// if ( newArea != oldArea ) {
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// ... update your own roll-over feedback as necessary ...
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// ExecuteAttachments ( msg_HideTooltip, nil );
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// }
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//
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// The CTooltipAttachment responds to this message by hiding the tooltip, thereby
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// resetting it for the next "hot spot" the user may move the cursor to within
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// the pane.
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//
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class CDynamicTooltipMixin
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{
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public:
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virtual void FindTooltipForMouseLocation ( const EventRecord& inMacEvent,
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StringPtr outTip ) = 0;
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private:
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// make these private so you can't instantiate one of these standalone
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CDynamicTooltipMixin ( ) { } ;
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~CDynamicTooltipMixin ( ) { } ;
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}; // CDynamicTooltipMixin
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