107 lines
3.3 KiB
C++
107 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsNativeButtonControlFrame.h"
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#include "nsHTMLAtoms.h"
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#include "nsFormFrame.h"
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#include "nsIFormControl.h"
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#include "nsIContent.h"
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#include "nsIButton.h"
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static NS_DEFINE_IID(kIButtonIID, NS_IBUTTON_IID);
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nsresult
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NS_NewNativeButtonControlFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
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{
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NS_PRECONDITION(aNewFrame, "null OUT ptr");
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if (nsnull == aNewFrame) {
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return NS_ERROR_NULL_POINTER;
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}
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nsNativeButtonControlFrame* it = new (aPresShell) nsNativeButtonControlFrame;
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if (!it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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*aNewFrame = it;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsNativeButtonControlFrame::AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aChild,
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PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aHint)
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{
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nsresult result = NS_OK;
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if (mWidget) {
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if (nsHTMLAtoms::value == aAttribute) {
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nsIButton* button = nsnull;
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result = mWidget->QueryInterface(kIButtonIID, (void**)&button);
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if ((NS_SUCCEEDED(result)) && (nsnull != button)) {
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nsString value;
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/*XXXnsresult result = */GetValue(&value);
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button->SetLabel(value);
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NS_RELEASE(button);
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if (aHint != NS_STYLE_HINT_REFLOW)
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nsFormFrame::StyleChangeReflow(aPresContext, this);
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}
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} else if (nsHTMLAtoms::size == aAttribute &&
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aHint != NS_STYLE_HINT_REFLOW) {
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nsFormFrame::StyleChangeReflow(aPresContext, this);
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}
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// Allow the base class to handle common attributes supported
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// by all form elements...
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else {
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result = Inherited::AttributeChanged(aPresContext, aChild, aNameSpaceID, aAttribute, aHint);
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}
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}
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return result;
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}
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void
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nsNativeButtonControlFrame::PostCreateWidget(nsIPresContext* aPresContext, nscoord& aWidth, nscoord& aHeight)
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{
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nsIButton* button = nsnull;
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if (mWidget && (NS_OK == mWidget->QueryInterface(kIButtonIID,(void**)&button))) {
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const nsFont * font = nsnull;
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nsresult res = GetFont(aPresContext, font);
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if (NS_SUCCEEDED(res) && font != nsnull) {
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mWidget->SetFont(*font);
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}
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SetColors(aPresContext);
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nsAutoString value;
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nsresult result = GetValue(&value);
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if (NS_CONTENT_ATTR_HAS_VALUE != result) {
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GetDefaultLabel(value);
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}
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button->SetLabel(value);
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NS_RELEASE(button);
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mWidget->Enable(!nsFormFrame::GetDisabled(this));
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}
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}
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