зеркало из https://github.com/mozilla/gecko-dev.git
154 строки
4.4 KiB
C++
154 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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* 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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// CProxyCaption.cp
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//
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// ===========================================================================
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#include "CProxyCaption.h"
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#include "mfinder.h" // needed for workaround function to bug in Appe's
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// ::TruncText and ::TruncString - andrewb 6/20/97
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#include <UGAColorRamp.h>
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#include <UDrawingUtils.h>
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#include <UNewTextDrawing.h>
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// ---------------------------------------------------------------------------
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// ¥ CProxyPane
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// ---------------------------------------------------------------------------
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CProxyCaption::CProxyCaption(
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LStream* inStream)
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: Inherited(inStream)
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{
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}
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// ---------------------------------------------------------------------------
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// ¥ FinishCreateSelf
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// ---------------------------------------------------------------------------
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void
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CProxyCaption::FinishCreateSelf()
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{
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Inherited::FinishCreateSelf();
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CalcLocalFrameRect(mOriginalFrame);
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}
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// ---------------------------------------------------------------------------
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// ¥ SetDescriptor
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// ---------------------------------------------------------------------------
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void
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CProxyCaption::SetDescriptor(
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ConstStringPtr inDescriptor)
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{
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Inherited::SetDescriptor(inDescriptor);
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FocusDraw();
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// Adjust frame to fit new descriptor
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Rect frame = mOriginalFrame;
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Rect newFrame;
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Int16 just = UTextTraits::SetPortTextTraits(mTxtrID);
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StringPtr theDescriptor = const_cast<StringPtr>(inDescriptor);
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frame.left += 1; // A little extra padding looks better
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UNewTextDrawing::MeasureWithJustification(
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reinterpret_cast<char*>(&theDescriptor[1]),
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inDescriptor[0],
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frame,
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just,
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newFrame,
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true);
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if ((newFrame.right - newFrame.left) > (frame.right - frame.left))
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{
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newFrame = frame;
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}
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// The + 2 factor seems to be necessary to not lose the
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// last word of the title
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ResizeFrameTo((newFrame.right - newFrame.left) + 2, newFrame.bottom - newFrame.top, true);
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}
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// ---------------------------------------------------------------------------
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// ¥ DrawSelf
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// ---------------------------------------------------------------------------
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void
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CProxyCaption::DrawSelf()
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{
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Rect frame;
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CalcLocalFrameRect(frame);
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Int16 justification = UTextTraits::SetPortTextTraits(mTxtrID);
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::RGBBackColor(&UGAColorRamp::GetBlackColor());
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::RGBForeColor(&UGAColorRamp::GetWhiteColor());
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::EraseRect(&frame);
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frame.left += 1; // A little extra padding looks better
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DrawText((Ptr)&mText[1], mText[0], frame);
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}
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// ---------------------------------------------------------------------------
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// ¥ DrawText
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// ---------------------------------------------------------------------------
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// NOTE: This version is differs from UDrawingUtils::DrawWithJustification
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// in that we don't wrap lines, we just draw one line truncated. However,
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// the measurements are identical to UDrawingUtils::DrawWithJustification
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// so that UNewTextDrawing::MeasureWithJustification will correspond to what
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// is drawn.
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void
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CProxyCaption::DrawText(
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Ptr inText,
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Int32 inLength,
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const Rect& inRect)
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{
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FontInfo fontInfo;
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::GetFontInfo(&fontInfo);
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Int16 lineBase = inRect.top + fontInfo.ascent + fontInfo.leading;
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StClipRgnState saveClip; // Draw within input rectangle
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saveClip.ClipToIntersection(inRect);
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::MoveTo(inRect.left, lineBase);
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short length = inLength;
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// DANGER! If you were to use Apple's ::TruncText with TruncMiddle as the
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// last parameter you run the risk of crashing--in a very bad way. andrewb
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MiddleTruncationThatWorks((char *)inText, length, inRect.right - inRect.left);
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::DrawText(inText, 0, length);
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}
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