/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: NPL 1.1/GPL 2.0/LGPL 2.1 * * 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 the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the NPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ // YY need to pass isMultiple before create called #include "nsBoxFrame.h" #include "nsCSSRendering.h" #include "nsIStyleContext.h" class nsGroupBoxFrame : public nsBoxFrame { public: nsGroupBoxFrame(nsIPresShell* aShell); NS_IMETHOD GetBorderAndPadding(nsMargin& aBorderAndPadding); NS_METHOD Paint(nsIPresContext* aPresContext, nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect, nsFramePaintLayer aWhichLayer, PRUint32 aFlags); #ifdef DEBUG NS_IMETHOD GetFrameName(nsAString& aResult) const { return MakeFrameName(NS_LITERAL_STRING("GroupBoxFrame"), aResult); } #endif // make sure we our kids get our orient and align instead of us. // our child box has no content node so it will search for a parent with one. // that will be us. virtual void GetInitialOrientation(PRBool& aHorizontal) { aHorizontal = PR_FALSE; } virtual PRBool GetInitialHAlignment(Halignment& aHalign) { aHalign = hAlign_Left; return PR_TRUE; } virtual PRBool GetInitialVAlignment(Valignment& aValign) { aValign = vAlign_Top; return PR_TRUE; } virtual PRBool GetInitialAutoStretch(PRBool& aStretch) { aStretch = PR_TRUE; return PR_TRUE; } nsIBox* GetCaptionBox(nsIPresContext* aPresContext, nsRect& aCaptionRect); }; /* class nsGroupBoxInnerFrame : public nsBoxFrame { public: nsGroupBoxInnerFrame(nsIPresShell* aShell):nsBoxFrame(aShell) {} #ifdef DEBUG NS_IMETHOD GetFrameName(nsString& aResult) const { return MakeFrameName("GroupBoxFrameInner", aResult); } #endif // we are always flexible virtual PRBool GetDefaultFlex(PRInt32& aFlex) { aFlex = 1; return PR_TRUE; } }; */ nsresult NS_NewGroupBoxFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame) { NS_PRECONDITION(aNewFrame, "null OUT ptr"); if (nsnull == aNewFrame) { return NS_ERROR_NULL_POINTER; } nsGroupBoxFrame* it = new (aPresShell) nsGroupBoxFrame(aPresShell); if (!it) { return NS_ERROR_OUT_OF_MEMORY; } *aNewFrame = it; return NS_OK; } nsGroupBoxFrame::nsGroupBoxFrame(nsIPresShell* aShell):nsBoxFrame(aShell) { } // this is identical to nsHTMLContainerFrame::Paint except for the background and border. NS_IMETHODIMP nsGroupBoxFrame::Paint(nsIPresContext* aPresContext, nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect, nsFramePaintLayer aWhichLayer, PRUint32 aFlags) { if (NS_FRAME_PAINT_LAYER_BACKGROUND == aWhichLayer) { // Paint our background and border const nsStyleVisibility* vis = (const nsStyleVisibility*)mStyleContext->GetStyleData(eStyleStruct_Visibility); if (vis->IsVisible() && mRect.width && mRect.height) { PRIntn skipSides = GetSkipSides(); const nsStyleBorder* borderStyleData = (const nsStyleBorder*)mStyleContext->GetStyleData(eStyleStruct_Border); nsMargin border; if (!borderStyleData->GetBorder(border)) { NS_NOTYETIMPLEMENTED("percentage border"); } nscoord yoff = 0; nsRect groupRect; nsIBox* groupBox = GetCaptionBox(aPresContext, groupRect); if (groupBox) { nsIFrame* groupFrame; groupBox->GetFrame(&groupFrame); // if the border is smaller than the legend. Move the border down // to be centered on the legend. const nsStyleMargin* groupMarginData; groupFrame->GetStyleData(eStyleStruct_Margin, (const nsStyleStruct*&) groupMarginData); nsMargin groupMargin; groupMarginData->GetMargin(groupMargin); groupRect.Inflate(groupMargin); if (border.top < groupRect.height) yoff = (groupRect.height - border.top)/2 + groupRect.y; } nsRect rect(0, yoff, mRect.width, mRect.height - yoff); nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this, aDirtyRect, rect, *borderStyleData, 0, 0); if (groupBox) { // we should probably use PaintBorderEdges to do this but for now just use clipping // to achieve the same effect. PRBool clipState; // draw left side nsRect clipRect(rect); clipRect.width = groupRect.x - rect.x; clipRect.height = border.top; aRenderingContext.PushState(); aRenderingContext.SetClipRect(clipRect, nsClipCombine_kIntersect, clipState); nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this, aDirtyRect, rect, *borderStyleData, mStyleContext, skipSides); aRenderingContext.PopState(clipState); // draw right side clipRect = rect; clipRect.x = groupRect.x + groupRect.width; clipRect.width -= (groupRect.x + groupRect.width); clipRect.height = border.top; aRenderingContext.PushState(); aRenderingContext.SetClipRect(clipRect, nsClipCombine_kIntersect, clipState); nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this, aDirtyRect, rect, *borderStyleData, mStyleContext, skipSides); aRenderingContext.PopState(clipState); // draw bottom clipRect = rect; clipRect.y += border.top; clipRect.height = mRect.height - (yoff + border.top); aRenderingContext.PushState(); aRenderingContext.SetClipRect(clipRect, nsClipCombine_kIntersect, clipState); nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this, aDirtyRect, rect, *borderStyleData, mStyleContext, skipSides); aRenderingContext.PopState(clipState); } else { nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this, aDirtyRect, nsRect(0,0,mRect.width, mRect.height), *borderStyleData, mStyleContext, skipSides); } } } PaintChildren(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer); #ifdef DEBUG if ((NS_FRAME_PAINT_LAYER_DEBUG == aWhichLayer) && GetShowFrameBorders()) { nsIView* view; GetView(aPresContext, &view); if (nsnull != view) { aRenderingContext.SetColor(NS_RGB(0,0,255)); } else { aRenderingContext.SetColor(NS_RGB(255,0,0)); } aRenderingContext.DrawRect(0, 0, mRect.width, mRect.height); } #endif return NS_OK; } nsIBox* nsGroupBoxFrame::GetCaptionBox(nsIPresContext* aPresContext, nsRect& aCaptionRect) { // first child is our grouped area nsIBox* box; GetChildBox(&box); // no area fail. if (!box) return nsnull; // get the first child in the grouped area, that is the caption box->GetChildBox(&box); // nothing in the area? fail if (!box) return nsnull; // now get the caption itself. It is in the caption frame. nsIBox* child = nsnull; box->GetChildBox(&child); if (child) { // convert to our coordinates. nsRect parentRect; box->GetBounds(parentRect); child->GetBounds(aCaptionRect); aCaptionRect.x += parentRect.x; aCaptionRect.y += parentRect.y; } return child; } NS_IMETHODIMP nsGroupBoxFrame::GetBorderAndPadding(nsMargin& aBorderAndPadding) { aBorderAndPadding.SizeTo(0,0,0,0); return NS_OK; }