mirror of
https://github.com/mozilla/gecko-dev.git
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940 lines
33 KiB
C++
940 lines
33 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsCOMPtr.h"
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#include "nsFormControlFrame.h"
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#include "nsHTMLParts.h"
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#include "nsGenericHTMLElement.h"
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#include "nsIRenderingContext.h"
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#include "nsIPresShell.h"
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#include "nsPresContext.h"
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#include "nsLeafFrame.h"
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#include "nsCSSRendering.h"
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#include "nsIView.h"
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#include "nsIViewManager.h"
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#include "nsCoord.h"
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#include "nsWidgetsCID.h"
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#include "nsViewsCID.h"
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#include "nsIComponentManager.h"
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#include "nsGUIEvent.h"
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#include "nsIFontMetrics.h"
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#include "nsIFormControl.h"
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#include "nsIDeviceContext.h"
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#include "nsHTMLAtoms.h"
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#include "nsIButton.h" // remove this when GetCID is pure virtual
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#include "nsICheckButton.h" //remove this
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#include "nsITextWidget.h" //remove this
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#include "nsISupports.h"
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#include "nsStyleConsts.h"
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#include "nsUnitConversion.h"
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#include "nsIContent.h"
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#include "nsINameSpaceManager.h"
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#include "nsIDOMHTMLInputElement.h"
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#include "nsIDOMHTMLLabelElement.h"
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#include "nsIDOMHTMLTextAreaElement.h"
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#include "nsIDOMHTMLLegendElement.h"
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#include "nsIDOMHTMLButtonElement.h"
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#include "nsIEventStateManager.h"
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#include "nsIScrollableView.h"
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#include "nsILookAndFeel.h"
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#ifdef DEBUG_evaughan
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//#define DEBUG_rods
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#endif
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#ifdef DEBUG_rods
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//#define FCF_NOISY
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#endif
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#ifdef FCF_NOISY
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#define REFLOW_DEBUG_MSG(_msg1) printf((_msg1))
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#define REFLOW_DEBUG_MSG2(_msg1, _msg2) printf((_msg1), (_msg2))
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#define REFLOW_DEBUG_MSG3(_msg1, _msg2, _msg3) printf((_msg1), (_msg2), (_msg3))
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#define REFLOW_DEBUG_MSG4(_msg1, _msg2, _msg3, _msg4) printf((_msg1), (_msg2), (_msg3), (_msg4))
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#define IF_REFLOW_DEBUG_MSG(_bool, _msg1) if ((_bool)) printf((_msg1))
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#define IF_REFLOW_DEBUG_MSG2(_bool, _msg1, _msg2) if ((_bool)) printf((_msg1), (_msg2))
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#define IF_REFLOW_DEBUG_MSG3(_bool, _msg1, _msg2, _msg3) if ((_bool)) printf((_msg1), (_msg2), (_msg3))
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#define IF_REFLOW_DEBUG_MSG4(_bool, _msg1, _msg2, _msg3, _msg4) if ((_bool)) printf((_msg1), (_msg2), (_msg3), (_msg4))
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#else //-------------
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#define REFLOW_DEBUG_MSG(_msg)
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#define REFLOW_DEBUG_MSG2(_msg1, _msg2)
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#define REFLOW_DEBUG_MSG3(_msg1, _msg2, _msg3)
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#define REFLOW_DEBUG_MSG4(_msg1, _msg2, _msg3, _msg4)
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#define IF_REFLOW_DEBUG_MSG(_bool, _msg)
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#define IF_REFLOW_DEBUG_MSG2(_bool, _msg1, _msg2)
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#define IF_REFLOW_DEBUG_MSG3(_bool, _msg1, _msg2, _msg3)
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#define IF_REFLOW_DEBUG_MSG4(_bool, _msg1, _msg2, _msg3, _msg4)
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#endif
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const PRInt32 kSizeNotSet = -1;
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nsFormControlFrame::nsFormControlFrame()
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: nsLeafFrame()
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{
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mDidInit = PR_FALSE;
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mSuggestedWidth = NS_FORMSIZE_NOTSET;
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mSuggestedHeight = NS_FORMSIZE_NOTSET;
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mPresContext = nsnull;
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// Reflow Optimization
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mCacheSize.width = kSizeNotSet;
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mCacheSize.height = kSizeNotSet;
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mCachedMaxElementWidth = kSizeNotSet;
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}
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nsFormControlFrame::~nsFormControlFrame()
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{
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}
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NS_IMETHODIMP
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nsFormControlFrame::Destroy(nsPresContext *aPresContext)
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{
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// XXXldb Do we really need to do this? Shouldn't only those frames
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// that use it do it?
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nsFormControlFrame::RegUnRegAccessKey(aPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_FALSE);
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return nsLeafFrame::Destroy(aPresContext);
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}
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// Frames are not refcounted, no need to AddRef
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NS_IMETHODIMP
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nsFormControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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NS_PRECONDITION(0 != aInstancePtr, "null ptr");
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(NS_GET_IID(nsIFormControlFrame))) {
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*aInstancePtr = (void*) ((nsIFormControlFrame*) this);
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return NS_OK;
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}
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return nsLeafFrame::QueryInterface(aIID, aInstancePtr);
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}
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void nsFormControlFrame::SetupCachedSizes(nsSize& aCacheSize,
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nscoord& aCachedAscent,
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nscoord& aCachedMaxElementWidth,
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nsHTMLReflowMetrics& aDesiredSize)
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{
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aCacheSize.width = aDesiredSize.width;
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aCacheSize.height = aDesiredSize.height;
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aCachedAscent = aDesiredSize.ascent;
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if (aDesiredSize.mComputeMEW) {
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aCachedMaxElementWidth = aDesiredSize.mMaxElementWidth;
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}
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}
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#if 0 // Testing out changes
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//------------------------------------------------------------
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void nsFormControlFrame::SkipResizeReflow(nsSize& aCacheSize,
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nscoord& aCachedMaxElementWidth,
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nsSize& aCachedAvailableSize,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus,
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PRBool& aBailOnWidth,
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PRBool& aBailOnHeight)
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{
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if (aReflowState.reason == eReflowReason_Incremental ||
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aReflowState.reason == eReflowReason_Dirty) {
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aBailOnHeight = PR_FALSE;
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aBailOnWidth = PR_FALSE;
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} else if (eReflowReason_Initial == aReflowState.reason) {
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aBailOnHeight = PR_FALSE;
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aBailOnWidth = PR_FALSE;
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} else {
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nscoord width;
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if (NS_UNCONSTRAINEDSIZE == aReflowState.mComputedWidth) {
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if (aReflowState.availableWidth == NS_UNCONSTRAINEDSIZE) {
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width = NS_UNCONSTRAINEDSIZE;
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aBailOnWidth = aCacheSize.width != kSizeNotSet;
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IF_REFLOW_DEBUG_MSG2(aBailOnWidth, "-------------- #1 Bailing on aCachedAvailableSize.width %d != kSizeNotSet\n", aCachedAvailableSize.width);
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} else {
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//width = aReflowState.availableWidth - aReflowState.mComputedBorderPadding.left -
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// aReflowState.mComputedBorderPadding.right;
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aBailOnWidth = aCacheSize.width <= aReflowState.availableWidth && aCacheSize.width != kSizeNotSet;
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if (aBailOnWidth) {
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REFLOW_DEBUG_MSG3("-------------- #2 Bailing on aCachedSize.width %d <= (AW - BP) %d\n", aCachedAvailableSize.width, width );
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} else {
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//aBailOnWidth = width <= (aCacheSize.width - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right) &&
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// aCachedAvailableSize.width == kSizeNotSet;
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//if (aBailOnWidth) {
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// REFLOW_DEBUG_MSG3("-------------- #2.2 Bailing on width %d <= aCachedSize.width %d\n", width, (aCacheSize.width - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right));
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//}
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}
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}
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} else {
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width = aReflowState.mComputedWidth;
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aBailOnWidth = width == (aCacheSize.width - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right);
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IF_REFLOW_DEBUG_MSG3(aBailOnWidth, "-------------- #3 Bailing on aCachedAvailableSize.width %d == aReflowState.mComputedWidth %d\n", aCachedAvailableSize.width, width );
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}
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nscoord height;
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if (NS_UNCONSTRAINEDSIZE == aReflowState.mComputedHeight) {
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if (aReflowState.availableHeight == NS_UNCONSTRAINEDSIZE) {
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height = NS_UNCONSTRAINEDSIZE;
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aBailOnHeight = aCacheSize.height != kSizeNotSet;
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if (aBailOnHeight) {
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IF_REFLOW_DEBUG_MSG2(aBailOnHeight, "-------------- #1 Bailing on aCachedAvailableSize.height %d != kSizeNotSet\n", aCachedAvailableSize.height);
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}
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} else {
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height = aReflowState.availableHeight - aReflowState.mComputedBorderPadding.left -
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aReflowState.mComputedBorderPadding.right;
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aBailOnHeight = aCachedAvailableSize.height <= height && aCachedAvailableSize.height != kSizeNotSet;
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if (aBailOnHeight) {
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REFLOW_DEBUG_MSG3("-------------- #2 Bailing on aCachedAvailableSize.height %d <= height %d\n", aCachedAvailableSize.height, height );
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} else {
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aBailOnHeight = height <= (aCacheSize.height - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right) &&
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aCachedAvailableSize.height == kSizeNotSet;
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if (aBailOnHeight) {
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REFLOW_DEBUG_MSG3("-------------- #2.2 Bailing on height %d <= aCachedSize.height %d\n", height, (aCacheSize.height - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right));
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}
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}
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}
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} else {
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height = aReflowState.mComputedHeight;
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aBailOnHeight = height == (aCacheSize.height - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right);
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IF_REFLOW_DEBUG_MSG3(aBailOnHeight, "-------------- #3 Bailing on aCachedAvailableSize.height %d == aReflowState.mComputedHeight %d\n", aCachedAvailableSize.height, height );
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}
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if (aBailOnWidth || aBailOnHeight) {
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aDesiredSize.width = aCacheSize.width;
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aDesiredSize.height = aCacheSize.height;
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if (aDesiredSize.mComputeMEW) {
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aDesiredSize.mMaxElementWidth = aCachedMaxElementWidth;
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}
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aDesiredSize.ascent = aDesiredSize.height;
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aDesiredSize.descent = 0;
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}
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}
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}
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#else
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//------------------------------------------------------------
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void nsFormControlFrame::SkipResizeReflow(nsSize& aCacheSize,
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nscoord& aCachedAscent,
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nscoord& aCachedMaxElementWidth,
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nsSize& aCachedAvailableSize,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus,
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PRBool& aBailOnWidth,
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PRBool& aBailOnHeight)
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{
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if (aReflowState.reason == eReflowReason_Incremental ||
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#ifdef IBMBIDI
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aReflowState.reason == eReflowReason_StyleChange ||
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#endif
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aReflowState.reason == eReflowReason_Dirty) {
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aBailOnHeight = PR_FALSE;
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aBailOnWidth = PR_FALSE;
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} else if (eReflowReason_Initial == aReflowState.reason) {
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aBailOnHeight = PR_FALSE;
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aBailOnWidth = PR_FALSE;
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} else {
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nscoord width;
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if (NS_UNCONSTRAINEDSIZE == aReflowState.mComputedWidth) {
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if (aReflowState.availableWidth == NS_UNCONSTRAINEDSIZE) {
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width = NS_UNCONSTRAINEDSIZE;
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aBailOnWidth = aCacheSize.width != kSizeNotSet;
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#ifdef FCF_NOISY
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if (aBailOnWidth) {
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printf("-------------- #1 Bailing on aCachedAvailableSize.width %d != kSizeNotSet\n", aCachedAvailableSize.width);
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}
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#endif
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} else {
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width = aReflowState.availableWidth - aReflowState.mComputedBorderPadding.left -
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aReflowState.mComputedBorderPadding.right;
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aBailOnWidth = aCachedAvailableSize.width <= width && aCachedAvailableSize.width != kSizeNotSet;
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#ifdef FCF_NOISY
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if (aBailOnWidth) {
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printf("-------------- #2 Bailing on aCachedAvailableSize.width %d <= width %d\n", aCachedAvailableSize.width, width );
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} else {
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aBailOnWidth = width <= (aCacheSize.width - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right) &&
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aCachedAvailableSize.width == kSizeNotSet;
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if (aBailOnWidth) {
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printf("-------------- #2.2 Bailing on width %d <= aCachedAvailableSize.width %d\n",(aCacheSize.width - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right), width );
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}
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}
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#endif
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}
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} else {
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width = aReflowState.mComputedWidth;
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//if (aCachedAvailableSize.width == kSizeNotSet) {
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// //aBailOnWidth = aCachedAvailableSize.width == aCacheSize.width;
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aBailOnWidth = PR_FALSE;
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//} else {
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aBailOnWidth = width == (aCacheSize.width - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right);
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//}
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#ifdef FCF_NOISY
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if (aBailOnWidth) {
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printf("-------------- #3 Bailing on aCachedAvailableSize.width %d == aReflowState.mComputedWidth %d\n", aCachedAvailableSize.width, width );
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}
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#endif
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}
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nscoord height;
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if (NS_UNCONSTRAINEDSIZE == aReflowState.mComputedHeight) {
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if (aReflowState.availableHeight == NS_UNCONSTRAINEDSIZE) {
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height = NS_UNCONSTRAINEDSIZE;
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aBailOnHeight = aCacheSize.height != kSizeNotSet;
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#ifdef FCF_NOISY
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if (aBailOnHeight) {
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printf("-------------- #1 Bailing on aCachedAvailableSize.height %d != kSizeNotSet\n", aCachedAvailableSize.height);
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}
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#endif
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} else {
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height = aReflowState.availableHeight - aReflowState.mComputedBorderPadding.left -
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aReflowState.mComputedBorderPadding.right;
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aBailOnHeight = aCachedAvailableSize.height <= height && aCachedAvailableSize.height != kSizeNotSet;
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#ifdef FCF_NOISY
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if (aBailOnHeight) {
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printf("-------------- #2 Bailing on aCachedAvailableSize.height %d <= height %d\n", aCachedAvailableSize.height, height );
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} else {
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aBailOnHeight = height <= (aCacheSize.height - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right) &&
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aCachedAvailableSize.height == kSizeNotSet;
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if (aBailOnHeight) {
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printf("-------------- #2.2 Bailing on height %d <= aCachedAvailableSize.height %d\n",(aCacheSize.height - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right), height );
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}
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}
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#endif
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}
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} else {
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height = aReflowState.mComputedHeight;
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//if (aCachedAvailableSize.height == kSizeNotSet) {
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// //aBailOnHeight = aCachedAvailableSize.height == aCacheSize.height;
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aBailOnHeight = PR_FALSE;
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//} else {
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aBailOnHeight = height == (aCacheSize.height - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right);
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//}
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#ifdef FCF_NOISY
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if (aBailOnHeight) {
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printf("-------------- #3 Bailing on aCachedAvailableSize.height %d == aReflowState.mComputedHeight %d\n", aCachedAvailableSize.height, height );
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}
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#endif
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}
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if (aBailOnWidth || aBailOnHeight) {
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aDesiredSize.width = aCacheSize.width;
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aDesiredSize.height = aCacheSize.height;
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aDesiredSize.ascent = aCachedAscent;
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aDesiredSize.descent = aDesiredSize.height - aDesiredSize.ascent;
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if (aDesiredSize.mComputeMEW) {
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aDesiredSize.mMaxElementWidth = aCachedMaxElementWidth;
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}
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}
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}
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}
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#endif
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nscoord
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nsFormControlFrame::GetScrollbarWidth(float aPixToTwip)
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{
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return NSIntPixelsToTwips(19, aPixToTwip); // XXX this is windows
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}
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void
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nsFormControlFrame::SetClickPoint(nscoord aX, nscoord aY)
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{
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mLastClickPoint.x = aX;
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mLastClickPoint.y = aY;
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}
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// XXX it would be cool if form element used our rendering sw, then
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// they could be blended, and bordered, and so on...
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NS_METHOD
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nsFormControlFrame::Paint(nsPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer,
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PRUint32 aFlags)
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{
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PRBool isVisible;
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if (NS_SUCCEEDED(IsVisibleForPainting(aPresContext, aRenderingContext, PR_TRUE, &isVisible)) && !isVisible) {
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return NS_OK;
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}
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nsresult rv = NS_OK;
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if (aWhichLayer == NS_FRAME_PAINT_LAYER_FOREGROUND) {
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rv = nsLeafFrame::Paint(aPresContext, aRenderingContext, aDirtyRect,
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NS_FRAME_PAINT_LAYER_BACKGROUND);
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if (NS_FAILED(rv))
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return rv;
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// draw selection borders when appropriate
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rv = nsFrame::Paint(aPresContext, aRenderingContext, aDirtyRect,
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NS_FRAME_PAINT_LAYER_BACKGROUND);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
rv = nsLeafFrame::Paint(aPresContext, aRenderingContext, aDirtyRect,
|
|
NS_FRAME_PAINT_LAYER_FLOATS);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
// draw selection borders when appropriate
|
|
rv = nsFrame::Paint(aPresContext, aRenderingContext, aDirtyRect,
|
|
NS_FRAME_PAINT_LAYER_FLOATS);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
rv = nsLeafFrame::Paint(aPresContext, aRenderingContext, aDirtyRect,
|
|
NS_FRAME_PAINT_LAYER_FOREGROUND);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
// draw selection borders when appropriate
|
|
rv = nsFrame::Paint(aPresContext, aRenderingContext, aDirtyRect,
|
|
NS_FRAME_PAINT_LAYER_FOREGROUND);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetFrameForPoint(const nsPoint& aPoint,
|
|
nsFramePaintLayer aWhichLayer,
|
|
nsIFrame** aFrame)
|
|
{
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
if (aWhichLayer == NS_FRAME_PAINT_LAYER_FOREGROUND) {
|
|
rv = nsLeafFrame::GetFrameForPoint(aPoint,
|
|
NS_FRAME_PAINT_LAYER_FOREGROUND, aFrame);
|
|
if (NS_SUCCEEDED(rv))
|
|
return NS_OK;
|
|
rv = nsLeafFrame::GetFrameForPoint(aPoint,
|
|
NS_FRAME_PAINT_LAYER_FLOATS, aFrame);
|
|
if (NS_SUCCEEDED(rv))
|
|
return NS_OK;
|
|
rv = nsLeafFrame::GetFrameForPoint(aPoint,
|
|
NS_FRAME_PAINT_LAYER_BACKGROUND, aFrame);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::GetDesiredSize(nsPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsHTMLReflowMetrics& aDesiredLayoutSize,
|
|
nsSize& aDesiredWidgetSize)
|
|
{
|
|
// get the css size and let the frame use or override it
|
|
nsSize styleSize;
|
|
GetStyleSize(aPresContext, aReflowState, styleSize);
|
|
|
|
// subclasses should always override this method, but if not and no css, make it small
|
|
aDesiredLayoutSize.width = (styleSize.width > CSS_NOTSET) ? styleSize.width : 144;
|
|
aDesiredLayoutSize.height = (styleSize.height > CSS_NOTSET) ? styleSize.height : 144;
|
|
aDesiredLayoutSize.ascent = aDesiredLayoutSize.height;
|
|
aDesiredLayoutSize.descent = 0;
|
|
if (aDesiredLayoutSize.mComputeMEW) {
|
|
aDesiredLayoutSize.SetMEWToActualWidth(aReflowState.mStylePosition->mWidth.GetUnit());
|
|
}
|
|
aDesiredWidgetSize.width = aDesiredLayoutSize.width;
|
|
aDesiredWidgetSize.height = aDesiredLayoutSize.height;
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::GetDesiredSize(nsPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsHTMLReflowMetrics& aDesiredSize)
|
|
{
|
|
nsSize ignore;
|
|
GetDesiredSize(aPresContext, aReflowState, aDesiredSize, ignore);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::DidReflow(nsPresContext* aPresContext,
|
|
const nsHTMLReflowState* aReflowState,
|
|
nsDidReflowStatus aStatus)
|
|
{
|
|
nsresult rv = nsLeafFrame::DidReflow(aPresContext, aReflowState, aStatus);
|
|
|
|
|
|
// The view is created hidden; once we have reflowed it and it has been
|
|
// positioned then we show it.
|
|
if (NS_FRAME_REFLOW_FINISHED == aStatus) {
|
|
nsIView* view = GetView();
|
|
if (view) {
|
|
nsViewVisibility newVis = GetStyleVisibility()->IsVisible()
|
|
? nsViewVisibility_kShow
|
|
: nsViewVisibility_kHide;
|
|
// only change if different.
|
|
if (newVis != view->GetVisibility()) {
|
|
nsIViewManager* vm = view->GetViewManager();
|
|
if (vm) {
|
|
vm->SetViewVisibility(view, newVis);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::SetInitialChildList(nsPresContext* aPresContext,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aChildList)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_METHOD
|
|
nsFormControlFrame::Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
DO_GLOBAL_REFLOW_COUNT("nsFormControlFrame", aReflowState.reason);
|
|
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
|
|
|
|
if (!mDidInit) {
|
|
mPresContext = aPresContext;
|
|
InitializeControl(aPresContext);
|
|
mDidInit = PR_TRUE;
|
|
}
|
|
|
|
#if 0
|
|
nsresult skiprv = SkipResizeReflow(mCacheSize, mCachedMaxElementWidth, aPresContext,
|
|
aDesiredSize, aReflowState, aStatus);
|
|
if (NS_SUCCEEDED(skiprv)) {
|
|
return skiprv;
|
|
}
|
|
#endif
|
|
|
|
nsresult rv = nsLeafFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
|
|
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
SetupCachedSizes(mCacheSize, mCachedAscent, mCachedMaxElementWidth, aDesiredSize);
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
|
|
nsRect overflowStartRect(0, 0, aDesiredSize.width, aDesiredSize.height);
|
|
FinishAndStoreOverflow(&overflowStartRect, overflowStartRect.Size());
|
|
return rv;
|
|
}
|
|
|
|
|
|
nsWidgetInitData*
|
|
nsFormControlFrame::GetWidgetInitData(nsPresContext* aPresContext)
|
|
{
|
|
return nsnull;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsFormControlFrame::RegUnRegAccessKey(nsPresContext* aPresContext, nsIFrame * aFrame, PRBool aDoReg)
|
|
{
|
|
NS_ASSERTION(aPresContext, "aPresContext is NULL in RegUnRegAccessKey!");
|
|
NS_ASSERTION(aFrame, "aFrame is NULL in RegUnRegAccessKey!");
|
|
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
nsAutoString accessKey;
|
|
|
|
if (aFrame) {
|
|
nsIContent* content = aFrame->GetContent();
|
|
#if 1
|
|
nsAutoString resultValue;
|
|
rv = content->GetAttr(kNameSpaceID_None,
|
|
nsHTMLAtoms::accesskey, accessKey);
|
|
#else
|
|
nsCOMPtr<nsIDOMHTMLInputElement> inputElement(do_QueryInterface(content));
|
|
if (inputElement) {
|
|
rv = inputElement->GetAccessKey(accessKey);
|
|
} else {
|
|
nsCOMPtr<nsIDOMHTMLTextAreaElement> textarea(do_QueryInterface(content));
|
|
if (textarea) {
|
|
rv = textarea->GetAccessKey(accessKey);
|
|
} else {
|
|
nsCOMPtr<nsIDOMHTMLLabelElement> label(do_QueryInterface(content));
|
|
if (label) {
|
|
rv = label->GetAccessKey(accessKey);
|
|
} else {
|
|
nsCOMPtr<nsIDOMHTMLLegendElement> legend(do_QueryInterface(content));
|
|
if (legend) {
|
|
rv = legend->GetAccessKey(accessKey);
|
|
} else {
|
|
nsCOMPtr<nsIDOMHTMLButtonElement> btn(do_QueryInterface(content));
|
|
if (btn) {
|
|
rv = btn->GetAccessKey(accessKey);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
if (!accessKey.IsEmpty()) {
|
|
nsIEventStateManager *stateManager = aPresContext->EventStateManager();
|
|
if (aDoReg) {
|
|
return stateManager->RegisterAccessKey(aFrame->GetContent(), (PRUint32)accessKey.First());
|
|
} else {
|
|
return stateManager->UnregisterAccessKey(aFrame->GetContent(), (PRUint32)accessKey.First());
|
|
}
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::InitializeControl(nsPresContext* aPresContext)
|
|
{
|
|
RegUnRegAccessKey(aPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_TRUE);
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
|
|
{
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::ScrollIntoView(nsPresContext* aPresContext)
|
|
{
|
|
if (aPresContext) {
|
|
nsIPresShell *presShell = aPresContext->GetPresShell();
|
|
if (presShell) {
|
|
presShell->ScrollFrameIntoView(this,
|
|
NS_PRESSHELL_SCROLL_IF_NOT_VISIBLE,NS_PRESSHELL_SCROLL_IF_NOT_VISIBLE);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* FIXME: this ::GetIID() method has no meaning in life and should be
|
|
* removed.
|
|
* Pierre Phaneuf <pp@ludusdesign.com>
|
|
*/
|
|
const nsIID&
|
|
nsFormControlFrame::GetIID()
|
|
{
|
|
return NS_GET_IID(nsIButton);
|
|
}
|
|
|
|
const nsIID&
|
|
nsFormControlFrame::GetCID()
|
|
{
|
|
static NS_DEFINE_IID(kButtonCID, NS_BUTTON_CID);
|
|
return kButtonCID;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetMaxLength(PRInt32* aSize)
|
|
{
|
|
*aSize = -1;
|
|
|
|
nsGenericHTMLElement *content = nsGenericHTMLElement::FromContent(mContent);
|
|
if (content) {
|
|
const nsAttrValue* attr = content->GetParsedAttr(nsHTMLAtoms::maxlength);
|
|
if (attr && attr->Type() == nsAttrValue::eInteger) {
|
|
*aSize = attr->GetIntegerValue();
|
|
|
|
return NS_CONTENT_ATTR_HAS_VALUE;
|
|
}
|
|
}
|
|
return NS_CONTENT_ATTR_NOT_THERE;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::GetSizeFromContent(PRInt32* aSize) const
|
|
{
|
|
*aSize = -1;
|
|
|
|
nsGenericHTMLElement *content = nsGenericHTMLElement::FromContent(mContent);
|
|
if (content) {
|
|
const nsAttrValue* attr = content->GetParsedAttr(nsHTMLAtoms::size);
|
|
if (attr && attr->Type() == nsAttrValue::eInteger) {
|
|
*aSize = attr->GetIntegerValue();
|
|
|
|
return NS_CONTENT_ATTR_HAS_VALUE;
|
|
}
|
|
}
|
|
return NS_CONTENT_ATTR_NOT_THERE;
|
|
}
|
|
|
|
NS_IMETHODIMP_(PRInt32)
|
|
nsFormControlFrame::GetFormControlType() const
|
|
{
|
|
return nsFormControlHelper::GetType(mContent);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetName(nsAString* aResult)
|
|
{
|
|
return nsFormControlHelper::GetName(mContent, aResult);
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetValue(nsAString* aResult)
|
|
{
|
|
return nsFormControlHelper::GetValueAttr(mContent, aResult);
|
|
}
|
|
|
|
|
|
NS_METHOD
|
|
nsFormControlFrame::HandleEvent(nsPresContext* aPresContext,
|
|
nsGUIEvent* aEvent,
|
|
nsEventStatus* aEventStatus)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aEventStatus);
|
|
if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// Check for user-input:none style
|
|
const nsStyleUserInterface* uiStyle = GetStyleUserInterface();
|
|
if (uiStyle->mUserInput == NS_STYLE_USER_INPUT_NONE || uiStyle->mUserInput == NS_STYLE_USER_INPUT_DISABLED)
|
|
return nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
|
|
|
|
// if not native then use the NS_MOUSE_LEFT_CLICK to see if pressed
|
|
// unfortunately native widgets don't seem to handle this right.
|
|
// so use the old code for native stuff. -EDV
|
|
switch (aEvent->message) {
|
|
case NS_MOUSE_LEFT_CLICK:
|
|
MouseClicked(aPresContext);
|
|
break;
|
|
|
|
case NS_KEY_DOWN:
|
|
if (NS_KEY_EVENT == aEvent->eventStructType) {
|
|
nsKeyEvent* keyEvent = (nsKeyEvent*)aEvent;
|
|
if (NS_VK_RETURN == keyEvent->keyCode) {
|
|
EnterPressed(aPresContext);
|
|
}
|
|
//else if (NS_VK_SPACE == keyEvent->keyCode) {
|
|
// MouseClicked(aPresContext);
|
|
//}
|
|
}
|
|
break;
|
|
}
|
|
|
|
*aEventStatus = nsEventStatus_eConsumeDoDefault;
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::GetStyleSize(nsPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsSize& aSize)
|
|
{
|
|
if (aReflowState.mComputedWidth != NS_INTRINSICSIZE) {
|
|
aSize.width = aReflowState.mComputedWidth;
|
|
}
|
|
else {
|
|
aSize.width = CSS_NOTSET;
|
|
}
|
|
if (aReflowState.mComputedHeight != NS_INTRINSICSIZE) {
|
|
aSize.height = aReflowState.mComputedHeight;
|
|
}
|
|
else {
|
|
aSize.height = CSS_NOTSET;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetFormContent(nsIContent*& aContent) const
|
|
{
|
|
aContent = GetContent();
|
|
NS_IF_ADDREF(aContent);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::GetDefaultCheckState(PRBool *aState)
|
|
{
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMHTMLInputElement> inputElement = do_QueryInterface(mContent);
|
|
if (inputElement) {
|
|
res = inputElement->GetDefaultChecked(aState);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::SetDefaultCheckState(PRBool aState)
|
|
{
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMHTMLInputElement> inputElement = do_QueryInterface(mContent);
|
|
if (inputElement) {
|
|
res = inputElement->SetDefaultChecked(aState);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::GetCurrentCheckState(PRBool *aState)
|
|
{
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMHTMLInputElement> inputElement = do_QueryInterface(mContent);
|
|
if (inputElement) {
|
|
res = inputElement->GetChecked(aState);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::SetCurrentCheckState(PRBool aState)
|
|
{
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIDOMHTMLInputElement> inputElement = do_QueryInterface(mContent);
|
|
if (inputElement) {
|
|
inputElement->SetChecked(aState);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::SetProperty(nsPresContext* aPresContext, nsIAtom* aName, const nsAString& aValue)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetProperty(nsIAtom* aName, nsAString& aValue)
|
|
{
|
|
aValue.Truncate();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::SetSuggestedSize(nscoord aWidth, nscoord aHeight)
|
|
{
|
|
mSuggestedWidth = aWidth;
|
|
mSuggestedHeight = aHeight;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::GetScreenHeight(nsPresContext* aPresContext,
|
|
nscoord& aHeight)
|
|
{
|
|
nsRect screen;
|
|
|
|
nsIDeviceContext *context = aPresContext->DeviceContext();
|
|
PRBool dropdownCanOverlapOSBar = PR_FALSE;
|
|
nsILookAndFeel *lookAndFeel = aPresContext->LookAndFeel();
|
|
lookAndFeel->GetMetric(nsILookAndFeel::eMetric_MenusCanOverlapOSBar,
|
|
dropdownCanOverlapOSBar);
|
|
if ( dropdownCanOverlapOSBar )
|
|
context->GetRect ( screen );
|
|
else
|
|
context->GetClientRect(screen);
|
|
|
|
float devUnits;
|
|
devUnits = context->DevUnitsToAppUnits();
|
|
aHeight = NSToIntRound(float(screen.height) / devUnits );
|
|
return NS_OK;
|
|
}
|
|
|
|
// Calculate a frame's position in screen coordinates
|
|
nsresult
|
|
nsFormControlFrame::GetAbsoluteFramePosition(nsPresContext* aPresContext,
|
|
nsIFrame *aFrame,
|
|
nsRect& aAbsoluteTwipsRect,
|
|
nsRect& aAbsolutePixelRect)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
aAbsoluteTwipsRect = aFrame->GetRect();
|
|
// zero these out,
|
|
// because the GetOffsetFromView figures them out
|
|
// XXXbz why do we need to do this, really? Will we ever fail to
|
|
// get a containing view?
|
|
aAbsoluteTwipsRect.x = 0;
|
|
aAbsoluteTwipsRect.y = 0;
|
|
|
|
// Get conversions between twips and pixels
|
|
float t2p;
|
|
float p2t;
|
|
t2p = aPresContext->TwipsToPixels();
|
|
p2t = aPresContext->PixelsToTwips();
|
|
|
|
// Start with frame's offset from it it's containing view
|
|
nsIView *view = nsnull;
|
|
nsPoint frameOffset;
|
|
rv = aFrame->GetOffsetFromView(frameOffset, &view);
|
|
|
|
if (NS_SUCCEEDED(rv) && view) {
|
|
aAbsoluteTwipsRect.MoveTo(frameOffset);
|
|
|
|
nsIWidget* widget;
|
|
// Walk up the views, looking for a widget
|
|
do {
|
|
// add in the offset of the view from its parent.
|
|
aAbsoluteTwipsRect += view->GetPosition();
|
|
|
|
widget = view->GetWidget();
|
|
if (widget) {
|
|
// account for space above and to the left of the view origin.
|
|
// the widget is aligned with view's bounds, not its origin
|
|
|
|
nsRect bounds = view->GetBounds();
|
|
aAbsoluteTwipsRect.x -= bounds.x;
|
|
aAbsoluteTwipsRect.y -= bounds.y;
|
|
|
|
// Add in the absolute offset of the widget.
|
|
nsRect absBounds;
|
|
nsRect zeroRect;
|
|
// XXX a twip version of this would be really nice here!
|
|
widget->WidgetToScreen(zeroRect, absBounds);
|
|
// Convert widget coordinates to twips
|
|
aAbsoluteTwipsRect.x += NSIntPixelsToTwips(absBounds.x, p2t);
|
|
aAbsoluteTwipsRect.y += NSIntPixelsToTwips(absBounds.y, p2t);
|
|
break;
|
|
}
|
|
|
|
view = view->GetParent();
|
|
} while (view);
|
|
}
|
|
|
|
// convert to pixel coordinates
|
|
if (NS_SUCCEEDED(rv)) {
|
|
aAbsolutePixelRect.x = NSTwipsToIntPixels(aAbsoluteTwipsRect.x, t2p);
|
|
aAbsolutePixelRect.y = NSTwipsToIntPixels(aAbsoluteTwipsRect.y, t2p);
|
|
|
|
aAbsolutePixelRect.width = NSTwipsToIntPixels(aAbsoluteTwipsRect.width, t2p);
|
|
aAbsolutePixelRect.height = NSTwipsToIntPixels(aAbsoluteTwipsRect.height, t2p);
|
|
}
|
|
|
|
return rv;
|
|
}
|