Mozilla/mozilla/layout/html/forms/src/nsButtonControlFrame.cpp
tbogard%aol.net ae5a81e394 Changed nsIPresContext& to nsIPresContext*. Changed nsEventStatus& to nsEventStatus*. Now more compatible with XPIDL. a=vidur r=scc
git-svn-id: svn://10.0.0.236/trunk@54392 18797224-902f-48f8-a5cc-f745e15eee43
1999-11-24 06:03:41 +00:00

356 lines
10 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsFileControlFrame.h"
#include "nsFormControlHelper.h"
#include "nsButtonControlFrame.h"
#include "nsIRenderingContext.h"
#include "nsIPresContext.h"
#include "nsIPresShell.h"
#include "nsIStyleContext.h"
#include "nsLeafFrame.h"
#include "nsCSSRendering.h"
#include "nsHTMLIIDs.h"
#include "nsIButton.h"
#include "nsIViewManager.h"
#include "nsISupports.h"
#include "nsHTMLAtoms.h"
#include "nsIButton.h"
#include "nsIView.h"
#include "nsViewsCID.h"
#include "nsWidgetsCID.h"
#include "nsIDeviceContext.h"
#include "nsIFontMetrics.h"
#include "nsIFormControl.h"
#include "nsStyleUtil.h"
#include "nsDOMEvent.h"
#include "nsStyleConsts.h"
#include "nsIHTMLAttributes.h"
#include "nsGenericHTMLElement.h"
#include "nsFormFrame.h"
#include "nsILookAndFeel.h"
#include "nsCOMPtr.h"
#include "nsDOMEvent.h"
#include "nsIViewManager.h"
static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
static NS_DEFINE_IID(kIButtonIID, NS_IBUTTON_IID);
void
nsButtonControlFrame::GetDefaultLabel(nsString& aString)
{
PRInt32 type;
GetType(&type);
if (NS_FORM_INPUT_RESET == type) {
aString = "Reset";
}
else if (NS_FORM_INPUT_SUBMIT == type) {
aString = "Submit Query";
}
else if (NS_FORM_BROWSE == type) {
aString = "Browse...";
}
else {
aString = " ";
}
}
PRBool
nsButtonControlFrame::IsSuccessful(nsIFormControlFrame* aSubmitter)
{
PRInt32 type;
GetType(&type);
if ((NS_FORM_INPUT_HIDDEN == type) || (this == aSubmitter)) {
return Inherited::IsSuccessful(aSubmitter);
} else {
return PR_FALSE;
}
}
PRInt32
nsButtonControlFrame::GetMaxNumValues()
{
PRInt32 type;
GetType(&type);
if ((NS_FORM_INPUT_SUBMIT == type) || (NS_FORM_INPUT_HIDDEN == type)) {
return 1;
} else {
return 0;
}
}
PRBool
nsButtonControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
nsString* aValues, nsString* aNames)
{
nsAutoString name;
nsresult result = GetName(&name);
if ((aMaxNumValues <= 0) || (NS_CONTENT_ATTR_HAS_VALUE != result)) {
return PR_FALSE;
}
PRInt32 type;
GetType(&type);
if (NS_FORM_INPUT_RESET == type) {
aNumValues = 0;
return PR_FALSE;
} else {
nsAutoString value;
/*XXX nsresult valResult = */GetValue(&value);
aValues[0] = value;
aNames[0] = name;
aNumValues = 1;
return PR_TRUE;
}
}
nscoord
nsButtonControlFrame::GetVerticalBorderWidth(float aPixToTwip) const
{
return NSIntPixelsToTwips(4, aPixToTwip);
}
nscoord
nsButtonControlFrame::GetHorizontalBorderWidth(float aPixToTwip) const
{
return GetVerticalBorderWidth(aPixToTwip);
}
nscoord
nsButtonControlFrame::GetVerticalInsidePadding(nsIPresContext* aPresContext,
float aPixToTwip,
nscoord aInnerHeight) const
{
float pad;
nsCOMPtr<nsILookAndFeel> lookAndFeel;
if (NS_SUCCEEDED(aPresContext->GetLookAndFeel(getter_AddRefs(lookAndFeel)))) {
lookAndFeel->GetMetric(nsILookAndFeel::eMetricFloat_ButtonVerticalInsidePadding, pad);
}
return (nscoord)NSToIntRound((float)aInnerHeight * pad);
}
nscoord
nsButtonControlFrame::GetHorizontalInsidePadding(nsIPresContext* aPresContext,
float aPixToTwip,
nscoord aInnerWidth,
nscoord aCharWidth) const
{
nsCompatibility mode;
aPresContext->GetCompatibilityMode(&mode);
float pad;
PRInt32 padQuirks;
PRInt32 padQuirksOffset;
nsCOMPtr<nsILookAndFeel> lookAndFeel;
if (NS_SUCCEEDED(aPresContext->GetLookAndFeel(getter_AddRefs(lookAndFeel)))) {
lookAndFeel->GetMetric(nsILookAndFeel::eMetricFloat_ButtonHorizontalInsidePadding, pad);
lookAndFeel->GetMetric(nsILookAndFeel::eMetric_ButtonHorizontalInsidePaddingNavQuirks, padQuirks);
lookAndFeel->GetMetric(nsILookAndFeel::eMetric_ButtonHorizontalInsidePaddingOffsetNavQuirks, padQuirksOffset);
}
if (eCompatibility_NavQuirks == mode) {
return (nscoord)NSToIntRound(float(aInnerWidth) * pad);
} else {
return NSIntPixelsToTwips(padQuirks, aPixToTwip) + padQuirksOffset;
}
}
void
nsButtonControlFrame::MouseClicked(nsIPresContext* aPresContext)
{
//XXX: This method should probably go away. The nsHTMLButtonControl frame's
//mouse click should be sufficient.
PRInt32 type;
GetType(&type);
if ((nsnull != mFormFrame) && !nsFormFrame::GetDisabled(this)) {
nsEventStatus status = nsEventStatus_eIgnore;
nsEvent event;
event.eventStructType = NS_EVENT;
nsIContent *formContent = nsnull;
mFormFrame->GetContent(&formContent);
switch(type) {
case NS_FORM_INPUT_RESET:
event.message = NS_FORM_RESET;
if (nsnull != formContent) {
formContent->HandleDOMEvent(aPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
}
if (nsEventStatus_eConsumeNoDefault != status) {
mFormFrame->OnReset(aPresContext);
}
break;
case NS_FORM_INPUT_SUBMIT:
event.message = NS_FORM_SUBMIT;
if (nsnull != formContent) {
formContent->HandleDOMEvent(aPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
}
if (nsEventStatus_eConsumeNoDefault != status) {
mFormFrame->OnSubmit(aPresContext, this);
}
}
NS_IF_RELEASE(formContent);
}
//else if ((NS_FORM_BROWSE == type) && mMouseListener) {
else if (nsnull != mMouseListener) {
mMouseListener->MouseClicked(aPresContext);
}
}
void
nsButtonControlFrame::GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredSize)
{
// This "do-nothing" implementation exists to remove compiler warnings caused
// by the fact that GetDesiredSize is both overloaded and overridden.
Inherited::GetDesiredSize(aPresContext, aReflowState, aDesiredSize);
}
void
nsButtonControlFrame::GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredLayoutSize,
nsSize& aDesiredWidgetSize)
{
PRInt32 type;
GetType(&type);
#if 0
if ((NS_FORM_INPUT_HIDDEN != type) && ((NS_FORMSIZE_NOTSET != mSuggestedWidth) && (
NS_FORMSIZE_NOTSET != mSuggestedHeight)))
{
aDesiredLayoutSize.width = mSuggestedWidth;
aDesiredLayoutSize.height = mSuggestedHeight;
aDesiredLayoutSize.ascent = mSuggestedHeight;
aDesiredLayoutSize.descent = 0;
if (aDesiredLayoutSize.maxElementSize) {
aDesiredLayoutSize.maxElementSize->width = mSuggestedWidth;
aDesiredLayoutSize.maxElementSize->height = mSuggestedWidth;
}
aDesiredWidgetSize.width = aDesiredLayoutSize.width;
aDesiredWidgetSize.height= aDesiredLayoutSize.height;
return;
}
#endif
if (NS_FORM_INPUT_HIDDEN == type) { // there is no physical rep
aDesiredLayoutSize.width = 0;
aDesiredLayoutSize.height = 0;
aDesiredLayoutSize.ascent = 0;
aDesiredLayoutSize.descent = 0;
if (aDesiredLayoutSize.maxElementSize) {
aDesiredLayoutSize.maxElementSize->width = 0;
aDesiredLayoutSize.maxElementSize->height = 0;
}
} else {
nsSize styleSize;
GetStyleSize(aPresContext, aReflowState, styleSize);
// a browse button shares its style context with its parent nsInputFile
// it uses everything from it except width
if (NS_FORM_BROWSE == type) {
styleSize.width = CSS_NOTSET;
}
nsSize desiredSize;
nsSize minSize;
PRBool widthExplicit, heightExplicit;
PRInt32 ignore;
nsAutoString defaultLabel;
GetDefaultLabel(defaultLabel);
nsInputDimensionSpec spec(nsHTMLAtoms::size, PR_TRUE, nsHTMLAtoms::value,
&defaultLabel, 1, PR_FALSE, nsnull, 1);
nsFormControlHelper::CalculateSize(aPresContext, aReflowState.rendContext, this, styleSize,
spec, desiredSize, minSize, widthExplicit, heightExplicit, ignore);
// set desired size, max element size
aDesiredLayoutSize.width = desiredSize.width;
aDesiredLayoutSize.height= desiredSize.height;
if (aDesiredLayoutSize.maxElementSize) {
aDesiredLayoutSize.maxElementSize->width = minSize.width;
aDesiredLayoutSize.maxElementSize->height = minSize.height;
}
}
aDesiredWidgetSize.width = aDesiredLayoutSize.width;
aDesiredWidgetSize.height= aDesiredLayoutSize.height;
}
const nsIID&
nsButtonControlFrame::GetIID()
{
static NS_DEFINE_IID(kButtonIID, NS_IBUTTON_IID);
return kButtonIID;
}
const nsIID&
nsButtonControlFrame::GetCID()
{
static NS_DEFINE_IID(kButtonCID, NS_BUTTON_CID);
return kButtonCID;
}
#ifdef DEBUG
NS_IMETHODIMP
nsButtonControlFrame::GetFrameName(nsString& aResult) const
{
return MakeFrameName("ButtonControl", aResult);
}
#endif
void
nsButtonControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
{
}
void
nsButtonControlFrame::Redraw(nsIPresContext* aPresContext)
{ nsRect rect(0, 0, mRect.width, mRect.height);
Invalidate(aPresContext, rect, PR_FALSE);
}
NS_IMETHODIMP nsButtonControlFrame::SetProperty(nsIPresContext* aPresContext, nsIAtom* aName, const nsString& aValue)
{
return NS_OK;
}
NS_IMETHODIMP nsButtonControlFrame::GetProperty(nsIAtom* aName, nsString& aValue)
{
return NS_OK;
}
nsresult nsButtonControlFrame::RequiresWidget(PRBool& aRequiresWidget)
{
aRequiresWidget = PR_FALSE;
return NS_OK;
}