gecko-dev/lib/mac/UserInterface/CTargetFramer.cp

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/* -*- 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 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
// Author: John R. McMullen
#include "CTargetFramer.h"
#include "UGraphicGizmos.h"
#include <LCommander.h>
#include <LPane.h>
static const kSideInsetPixels = 1;
static const kTopAndBottomInsetPixels = 1;
//-----------------------------------
CTargetFramer::CTargetFramer()
//-----------------------------------
: LAttachment(msg_AnyMessage, /* inExecuteHost = */ true)
, mPane(nil)
, mCommander(nil)
, mDrawWithHilite(false)
{
} // CTargetFramer::CTargetFramer
//-----------------------------------
CTargetFramer::CTargetFramer(LStream* inStream)
//-----------------------------------
: LAttachment(inStream)
, mPane(nil)
, mCommander(nil)
{
SetMessage(msg_AnyMessage);
SetExecuteHost(true);
SetOwnerHost(LAttachable::GetDefaultAttachable());
} // CTargetFramer::CTargetFramer
//-----------------------------------
CTargetFramer::~CTargetFramer()
//-----------------------------------
{
} // CTargetFramer::~CTargetFramer
//-----------------------------------
void CTargetFramer::SetOwnerHost(LAttachable* inAttachable)
//-----------------------------------
{
mCommander = dynamic_cast<LCommander*>(inAttachable);
Assert_(mCommander);
mPane = dynamic_cast<LPane*>(inAttachable);
Assert_(mPane);
mDrawWithHilite = mCommander->IsTarget();
Inherited::SetOwnerHost(inAttachable);
} // CTargetFramer::SetOwnerHost
//-----------------------------------
void CTargetFramer::CalcBorderRegion(RgnHandle ioBorderRgn)
//-----------------------------------
{
// compute the border region
StRegion frameRgn;
Rect frameRect;
mPane->CalcLocalFrameRect(frameRect);
::RectRgn(frameRgn, &frameRect);
::InsetRect(&frameRect, kSideInsetPixels, kTopAndBottomInsetPixels);
::RectRgn(ioBorderRgn, &frameRect);
::DiffRgn(frameRgn, ioBorderRgn, ioBorderRgn);
} // CTargetFramer::CalcBorderRegion
//-----------------------------------
void CTargetFramer::InvertBorder()
//-----------------------------------
{
StRegion borderRgn;
StColorPenState penState;
penState.Normalize();
CalcBorderRegion(borderRgn);
// Fiddle with the hilite color so that our inversion does not
// interfere with the inversion already done by the pane
RGBColor savedHiliteColor;
::LMGetHiliteRGB(&savedHiliteColor);
RGBColor darkTingeColor, ignoredLightColor;
UGraphicGizmos::CalcWindowTingeColors(
mPane->GetMacPort(), ignoredLightColor, darkTingeColor);
::HiliteColor(&darkTingeColor);
UDrawingUtils::SetHiliteModeOn();
::InvertRgn(borderRgn);
::HiliteColor(&savedHiliteColor);
} // CTargetFramer::InvertBorder
//-----------------------------------
void CTargetFramer::ExecuteSelf(MessageT inMessage, void* ioParam)
//-----------------------------------
{
switch (inMessage)
{
case msg_BecomingTarget:
case msg_ResigningTarget:
mPane->FocusDraw();
// FALL THROUGH!
case msg_DrawOrPrint:
case msg_DrawSelfDone:
{
switch (inMessage)
{
case msg_BecomingTarget:
case msg_ResigningTarget:
{
mDrawWithHilite = !mDrawWithHilite;
InvertBorder();
break;
}
case msg_DrawOrPrint:
{
// Called before the pane does DrawSelf
StRegion borderRgn;
CalcBorderRegion(borderRgn);
::EraseRgn(borderRgn);
break;
}
case msg_DrawSelfDone:
{
// Called after the pane does DrawSelf
if (mDrawWithHilite)
InvertBorder();
break;
}
} // switch
break;
}
default:
return;
}
} // CTargetFramer::ExecuteSelf