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154 lines
4.1 KiB
C++
154 lines
4.1 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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// Author: John R. McMullen
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#include "CTargetFramer.h"
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#include "UGraphicGizmos.h"
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#include <LCommander.h>
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#include <LPane.h>
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static const kSideInsetPixels = 1;
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static const kTopAndBottomInsetPixels = 1;
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//-----------------------------------
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CTargetFramer::CTargetFramer()
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//-----------------------------------
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: LAttachment(msg_AnyMessage, /* inExecuteHost = */ true)
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, mPane(nil)
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, mCommander(nil)
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, mDrawWithHilite(false)
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{
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} // CTargetFramer::CTargetFramer
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//-----------------------------------
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CTargetFramer::CTargetFramer(LStream* inStream)
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//-----------------------------------
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: LAttachment(inStream)
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, mPane(nil)
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, mCommander(nil)
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{
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SetMessage(msg_AnyMessage);
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SetExecuteHost(true);
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SetOwnerHost(LAttachable::GetDefaultAttachable());
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} // CTargetFramer::CTargetFramer
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//-----------------------------------
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CTargetFramer::~CTargetFramer()
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//-----------------------------------
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{
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} // CTargetFramer::~CTargetFramer
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//-----------------------------------
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void CTargetFramer::SetOwnerHost(LAttachable* inAttachable)
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//-----------------------------------
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{
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mCommander = dynamic_cast<LCommander*>(inAttachable);
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Assert_(mCommander);
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mPane = dynamic_cast<LPane*>(inAttachable);
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Assert_(mPane);
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mDrawWithHilite = mCommander->IsTarget();
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Inherited::SetOwnerHost(inAttachable);
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} // CTargetFramer::SetOwnerHost
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//-----------------------------------
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void CTargetFramer::CalcBorderRegion(RgnHandle ioBorderRgn)
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//-----------------------------------
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{
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// compute the border region
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StRegion frameRgn;
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Rect frameRect;
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mPane->CalcLocalFrameRect(frameRect);
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::RectRgn(frameRgn, &frameRect);
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::InsetRect(&frameRect, kSideInsetPixels, kTopAndBottomInsetPixels);
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::RectRgn(ioBorderRgn, &frameRect);
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::DiffRgn(frameRgn, ioBorderRgn, ioBorderRgn);
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} // CTargetFramer::CalcBorderRegion
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//-----------------------------------
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void CTargetFramer::InvertBorder()
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//-----------------------------------
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{
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StRegion borderRgn;
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StColorPenState penState;
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penState.Normalize();
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CalcBorderRegion(borderRgn);
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// Fiddle with the hilite color so that our inversion does not
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// interfere with the inversion already done by the pane
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RGBColor savedHiliteColor;
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::LMGetHiliteRGB(&savedHiliteColor);
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RGBColor darkTingeColor, ignoredLightColor;
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UGraphicGizmos::CalcWindowTingeColors(
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mPane->GetMacPort(), ignoredLightColor, darkTingeColor);
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::HiliteColor(&darkTingeColor);
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UDrawingUtils::SetHiliteModeOn();
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::InvertRgn(borderRgn);
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::HiliteColor(&savedHiliteColor);
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} // CTargetFramer::InvertBorder
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//-----------------------------------
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void CTargetFramer::ExecuteSelf(MessageT inMessage, void* ioParam)
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//-----------------------------------
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{
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switch (inMessage)
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{
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case msg_BecomingTarget:
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case msg_ResigningTarget:
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mPane->FocusDraw();
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// FALL THROUGH!
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case msg_DrawOrPrint:
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case msg_DrawSelfDone:
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{
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switch (inMessage)
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{
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case msg_BecomingTarget:
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case msg_ResigningTarget:
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{
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mDrawWithHilite = !mDrawWithHilite;
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InvertBorder();
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break;
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}
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case msg_DrawOrPrint:
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{
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// Called before the pane does DrawSelf
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StRegion borderRgn;
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CalcBorderRegion(borderRgn);
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::EraseRgn(borderRgn);
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break;
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}
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case msg_DrawSelfDone:
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{
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// Called after the pane does DrawSelf
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if (mDrawWithHilite)
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InvertBorder();
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break;
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}
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} // switch
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break;
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}
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default:
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return;
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}
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} // CTargetFramer::ExecuteSelf
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