356 lines
10 KiB
C++
356 lines
10 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 "nsFileControlFrame.h"
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#include "nsFormControlHelper.h"
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#include "nsButtonControlFrame.h"
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#include "nsIRenderingContext.h"
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#include "nsIPresContext.h"
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#include "nsIPresShell.h"
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#include "nsIStyleContext.h"
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#include "nsLeafFrame.h"
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#include "nsCSSRendering.h"
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#include "nsHTMLIIDs.h"
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#include "nsIButton.h"
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#include "nsIViewManager.h"
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#include "nsISupports.h"
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#include "nsHTMLAtoms.h"
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#include "nsIButton.h"
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#include "nsIView.h"
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#include "nsViewsCID.h"
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#include "nsWidgetsCID.h"
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#include "nsIDeviceContext.h"
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#include "nsIFontMetrics.h"
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#include "nsIFormControl.h"
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#include "nsStyleUtil.h"
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#include "nsDOMEvent.h"
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#include "nsStyleConsts.h"
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#include "nsIHTMLAttributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsFormFrame.h"
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#include "nsILookAndFeel.h"
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#include "nsCOMPtr.h"
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#include "nsDOMEvent.h"
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#include "nsIViewManager.h"
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static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
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static NS_DEFINE_IID(kIButtonIID, NS_IBUTTON_IID);
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void
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nsButtonControlFrame::GetDefaultLabel(nsString& aString)
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{
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PRInt32 type;
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GetType(&type);
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if (NS_FORM_INPUT_RESET == type) {
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aString = "Reset";
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}
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else if (NS_FORM_INPUT_SUBMIT == type) {
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aString = "Submit Query";
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}
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else if (NS_FORM_BROWSE == type) {
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aString = "Browse...";
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}
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else {
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aString = " ";
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}
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}
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PRBool
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nsButtonControlFrame::IsSuccessful(nsIFormControlFrame* aSubmitter)
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{
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PRInt32 type;
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GetType(&type);
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if ((NS_FORM_INPUT_HIDDEN == type) || (this == aSubmitter)) {
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return Inherited::IsSuccessful(aSubmitter);
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} else {
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return PR_FALSE;
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}
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}
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PRInt32
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nsButtonControlFrame::GetMaxNumValues()
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{
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PRInt32 type;
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GetType(&type);
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if ((NS_FORM_INPUT_SUBMIT == type) || (NS_FORM_INPUT_HIDDEN == type)) {
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return 1;
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} else {
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return 0;
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}
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}
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PRBool
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nsButtonControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
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nsString* aValues, nsString* aNames)
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{
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nsAutoString name;
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nsresult result = GetName(&name);
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if ((aMaxNumValues <= 0) || (NS_CONTENT_ATTR_HAS_VALUE != result)) {
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return PR_FALSE;
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}
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PRInt32 type;
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GetType(&type);
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if (NS_FORM_INPUT_RESET == type) {
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aNumValues = 0;
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return PR_FALSE;
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} else {
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nsAutoString value;
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/*XXX nsresult valResult = */GetValue(&value);
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aValues[0] = value;
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aNames[0] = name;
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aNumValues = 1;
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return PR_TRUE;
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}
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}
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nscoord
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nsButtonControlFrame::GetVerticalBorderWidth(float aPixToTwip) const
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{
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return NSIntPixelsToTwips(4, aPixToTwip);
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}
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nscoord
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nsButtonControlFrame::GetHorizontalBorderWidth(float aPixToTwip) const
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{
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return GetVerticalBorderWidth(aPixToTwip);
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}
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nscoord
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nsButtonControlFrame::GetVerticalInsidePadding(nsIPresContext* aPresContext,
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float aPixToTwip,
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nscoord aInnerHeight) const
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{
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float pad;
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nsCOMPtr<nsILookAndFeel> lookAndFeel;
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if (NS_SUCCEEDED(aPresContext->GetLookAndFeel(getter_AddRefs(lookAndFeel)))) {
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lookAndFeel->GetMetric(nsILookAndFeel::eMetricFloat_ButtonVerticalInsidePadding, pad);
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}
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return (nscoord)NSToIntRound((float)aInnerHeight * pad);
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}
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nscoord
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nsButtonControlFrame::GetHorizontalInsidePadding(nsIPresContext* aPresContext,
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float aPixToTwip,
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nscoord aInnerWidth,
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nscoord aCharWidth) const
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{
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nsCompatibility mode;
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aPresContext->GetCompatibilityMode(&mode);
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float pad;
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PRInt32 padQuirks;
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PRInt32 padQuirksOffset;
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nsCOMPtr<nsILookAndFeel> lookAndFeel;
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if (NS_SUCCEEDED(aPresContext->GetLookAndFeel(getter_AddRefs(lookAndFeel)))) {
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lookAndFeel->GetMetric(nsILookAndFeel::eMetricFloat_ButtonHorizontalInsidePadding, pad);
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lookAndFeel->GetMetric(nsILookAndFeel::eMetric_ButtonHorizontalInsidePaddingNavQuirks, padQuirks);
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lookAndFeel->GetMetric(nsILookAndFeel::eMetric_ButtonHorizontalInsidePaddingOffsetNavQuirks, padQuirksOffset);
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}
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if (eCompatibility_NavQuirks == mode) {
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return (nscoord)NSToIntRound(float(aInnerWidth) * pad);
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} else {
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return NSIntPixelsToTwips(padQuirks, aPixToTwip) + padQuirksOffset;
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}
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}
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void
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nsButtonControlFrame::MouseClicked(nsIPresContext* aPresContext)
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{
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//XXX: This method should probably go away. The nsHTMLButtonControl frame's
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//mouse click should be sufficient.
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PRInt32 type;
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GetType(&type);
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if ((nsnull != mFormFrame) && !nsFormFrame::GetDisabled(this)) {
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nsEventStatus status = nsEventStatus_eIgnore;
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nsEvent event;
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event.eventStructType = NS_EVENT;
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nsIContent *formContent = nsnull;
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mFormFrame->GetContent(&formContent);
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switch(type) {
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case NS_FORM_INPUT_RESET:
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event.message = NS_FORM_RESET;
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if (nsnull != formContent) {
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formContent->HandleDOMEvent(aPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
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}
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if (nsEventStatus_eConsumeNoDefault != status) {
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mFormFrame->OnReset(aPresContext);
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}
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break;
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case NS_FORM_INPUT_SUBMIT:
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event.message = NS_FORM_SUBMIT;
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if (nsnull != formContent) {
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formContent->HandleDOMEvent(aPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
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}
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if (nsEventStatus_eConsumeNoDefault != status) {
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mFormFrame->OnSubmit(aPresContext, this);
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}
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}
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NS_IF_RELEASE(formContent);
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}
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//else if ((NS_FORM_BROWSE == type) && mMouseListener) {
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else if (nsnull != mMouseListener) {
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mMouseListener->MouseClicked(aPresContext);
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}
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}
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void
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nsButtonControlFrame::GetDesiredSize(nsIPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsHTMLReflowMetrics& aDesiredSize)
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{
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// This "do-nothing" implementation exists to remove compiler warnings caused
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// by the fact that GetDesiredSize is both overloaded and overridden.
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Inherited::GetDesiredSize(aPresContext, aReflowState, aDesiredSize);
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}
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void
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nsButtonControlFrame::GetDesiredSize(nsIPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsHTMLReflowMetrics& aDesiredLayoutSize,
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nsSize& aDesiredWidgetSize)
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{
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PRInt32 type;
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GetType(&type);
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#if 0
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if ((NS_FORM_INPUT_HIDDEN != type) && ((NS_FORMSIZE_NOTSET != mSuggestedWidth) && (
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NS_FORMSIZE_NOTSET != mSuggestedHeight)))
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{
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aDesiredLayoutSize.width = mSuggestedWidth;
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aDesiredLayoutSize.height = mSuggestedHeight;
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aDesiredLayoutSize.ascent = mSuggestedHeight;
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aDesiredLayoutSize.descent = 0;
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if (aDesiredLayoutSize.maxElementSize) {
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aDesiredLayoutSize.maxElementSize->width = mSuggestedWidth;
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aDesiredLayoutSize.maxElementSize->height = mSuggestedWidth;
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}
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aDesiredWidgetSize.width = aDesiredLayoutSize.width;
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aDesiredWidgetSize.height= aDesiredLayoutSize.height;
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return;
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}
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#endif
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if (NS_FORM_INPUT_HIDDEN == type) { // there is no physical rep
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aDesiredLayoutSize.width = 0;
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aDesiredLayoutSize.height = 0;
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aDesiredLayoutSize.ascent = 0;
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aDesiredLayoutSize.descent = 0;
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if (aDesiredLayoutSize.maxElementSize) {
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aDesiredLayoutSize.maxElementSize->width = 0;
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aDesiredLayoutSize.maxElementSize->height = 0;
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}
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} else {
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nsSize styleSize;
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GetStyleSize(aPresContext, aReflowState, styleSize);
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// a browse button shares its style context with its parent nsInputFile
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// it uses everything from it except width
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if (NS_FORM_BROWSE == type) {
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styleSize.width = CSS_NOTSET;
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}
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nsSize desiredSize;
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nsSize minSize;
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PRBool widthExplicit, heightExplicit;
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PRInt32 ignore;
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nsAutoString defaultLabel;
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GetDefaultLabel(defaultLabel);
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nsInputDimensionSpec spec(nsHTMLAtoms::size, PR_TRUE, nsHTMLAtoms::value,
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&defaultLabel, 1, PR_FALSE, nsnull, 1);
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nsFormControlHelper::CalculateSize(aPresContext, aReflowState.rendContext, this, styleSize,
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spec, desiredSize, minSize, widthExplicit, heightExplicit, ignore);
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// set desired size, max element size
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aDesiredLayoutSize.width = desiredSize.width;
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aDesiredLayoutSize.height= desiredSize.height;
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if (aDesiredLayoutSize.maxElementSize) {
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aDesiredLayoutSize.maxElementSize->width = minSize.width;
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aDesiredLayoutSize.maxElementSize->height = minSize.height;
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}
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}
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aDesiredWidgetSize.width = aDesiredLayoutSize.width;
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aDesiredWidgetSize.height= aDesiredLayoutSize.height;
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}
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const nsIID&
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nsButtonControlFrame::GetIID()
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{
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static NS_DEFINE_IID(kButtonIID, NS_IBUTTON_IID);
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return kButtonIID;
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}
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const nsIID&
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nsButtonControlFrame::GetCID()
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{
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static NS_DEFINE_IID(kButtonCID, NS_BUTTON_CID);
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return kButtonCID;
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}
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#ifdef DEBUG
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NS_IMETHODIMP
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nsButtonControlFrame::GetFrameName(nsString& aResult) const
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{
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return MakeFrameName("ButtonControl", aResult);
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}
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#endif
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void
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nsButtonControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
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{
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}
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void
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nsButtonControlFrame::Redraw(nsIPresContext* aPresContext)
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{ nsRect rect(0, 0, mRect.width, mRect.height);
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Invalidate(aPresContext, rect, PR_FALSE);
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}
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NS_IMETHODIMP nsButtonControlFrame::SetProperty(nsIPresContext* aPresContext, nsIAtom* aName, const nsString& aValue)
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{
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return NS_OK;
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}
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NS_IMETHODIMP nsButtonControlFrame::GetProperty(nsIAtom* aName, nsString& aValue)
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{
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return NS_OK;
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}
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nsresult nsButtonControlFrame::RequiresWidget(PRBool& aRequiresWidget)
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{
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aRequiresWidget = PR_FALSE;
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return NS_OK;
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}
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