Bommels05/Mozilla
Bommels05/Mozilla
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Mozilla/mozilla/layout/forms/nsComboboxControlFrame.cpp
evaughan%netscape.com 0615e95ff7 1) Implemented regular button and html4 button with a button renderer. 
2) Fixed ProgressMeter to update correctly when attributes change
3) Fixed sample8.html so that it does not over ride the borders of the HTML4 button this
   messed up the active, hover, and disabled states.


git-svn-id: svn://10.0.0.236/trunk@23070 18797224-902f-48f8-a5cc-f745e15eee43
1999-03-06 19:43:13 +00:00

893 lines
30 KiB
C++
Raw Blame History

/* -*- 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 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsCOMPtr.h"
#include "nsComboboxControlFrame.h"
#include "nsFormFrame.h"
#include "nsButtonControlFrame.h"
#include "nsTextControlFrame.h"
#include "nsIContent.h"
#include "prtypes.h"
#include "nsIAtom.h"
#include "nsIPresContext.h"
#include "nsIHTMLContent.h"
#include "nsHTMLIIDs.h"
#include "nsHTMLAtoms.h"
#include "nsIFileWidget.h"
#include "nsITextWidget.h"
#include "nsWidgetsCID.h"
#include "nsRepository.h"
#include "nsIView.h"
#include "nsHTMLParts.h"
#include "nsIDOMHTMLInputElement.h"
#include "nsIFormControl.h"
#include "nsINameSpaceManager.h"
#include "nsITextContent.h"
// Used for Paint
#include "nsCSSRendering.h"
#include "nsIDeviceContext.h"
#include "nsIPresShell.h"
#include "nsIView.h"
#include "nsIViewManager.h"
#include "nsViewsCID.h"
#include "nsIDOMElement.h"
#include "nsListControlFrame.h"
#include "nsIListControlFrame.h"
#include "nsIDOMHTMLCollection.h" //rods
#include "nsIDOMHTMLSelectElement.h" //rods
#include "nsIDOMHTMLOptionElement.h" //rods
// XXX make this pixels
#define CONTROL_SPACING 40
static NS_DEFINE_IID(kViewCID, NS_VIEW_CID);
static NS_DEFINE_IID(kIViewIID, NS_IVIEW_IID);
static NS_DEFINE_IID(kCFileWidgetCID, NS_FILEWIDGET_CID);
static NS_DEFINE_IID(kIFileWidgetIID, NS_IFILEWIDGET_IID);
static NS_DEFINE_IID(kITextWidgetIID, NS_ITEXTWIDGET_IID);
static NS_DEFINE_IID(kIFormControlFrameIID, NS_IFORMCONTROLFRAME_IID);
static NS_DEFINE_IID(kIComboboxControlFrameIID, NS_ICOMBOBOXCONTROLFRAME_IID);
static NS_DEFINE_IID(kIDOMHTMLSelectElementIID, NS_IDOMHTMLSELECTELEMENT_IID);
static NS_DEFINE_IID(kIDOMHTMLOptionElementIID, NS_IDOMHTMLOPTIONELEMENT_IID);
#ifdef PLUGGABLE_EVENTS
static NS_DEFINE_IID(kIPluggableEventListenerIID, NS_IPLUGGABLEEVENTLISTENER_IID);
#endif
static NS_DEFINE_IID(kIListControlFrameIID, NS_ILISTCONTROLFRAME_IID);
static NS_DEFINE_IID(kITextContentIID, NS_ITEXT_CONTENT_IID);
extern nsresult NS_NewListControlFrame(nsIFrame*& aNewFrame);
//--------------------------------------------------------------
nsresult
NS_NewComboboxControlFrame(nsIFrame*& aResult)
{
aResult = new nsComboboxControlFrame;
if (nsnull == aResult) {
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
//--------------------------------------------------------------
nsComboboxControlFrame::nsComboboxControlFrame()
: nsHTMLContainerFrame()
{
mFormFrame = nsnull;
mListFrame = nsnull;
mListControlFrame = nsnull;
mPlaceHolderFrame = nsnull;
mVisibleStyleContext = nsnull;
mHiddenStyleContext = nsnull;
mCurrentStyleContext = nsnull;
mBlockTextStyle = nsnull;
mBlockTextSelectedStyle = nsnull;
mBlockTextSelectedFocusStyle = nsnull;
mFirstTime = PR_TRUE;
mGotFocus = PR_FALSE;
}
//--------------------------------------------------------------
nsComboboxControlFrame::~nsComboboxControlFrame()
{
NS_IF_RELEASE(mVisibleStyleContext);
NS_IF_RELEASE(mHiddenStyleContext);
NS_IF_RELEASE(mBlockTextStyle);
//NS_IF_RELEASE(mListControlFrame);
//NS_IF_RELEASE(mListFrame);
//NS_IF_RELEASE(mPlaceHolderFrame);
}
//--------------------------------------------------------------
nsresult
nsComboboxControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
NS_PRECONDITION(0 != aInstancePtr, "null ptr");
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
if (aIID.Equals(kIComboboxControlFrameIID)) {
*aInstancePtr = (void*) ((nsIComboboxControlFrame*) this);
return NS_OK;
}
if (aIID.Equals(kIFormControlFrameIID)) {
*aInstancePtr = (void*) ((nsIFormControlFrame*) this);
return NS_OK;
}
#ifdef PLUGGABLE_EVENTS
if (aIID.Equals(kIPluggableEventListenerIID)) {
NS_ADDREF_THIS(); // Increase reference count for caller
*aInstancePtr = (void *)((nsIPluggableEventListener*)this);
return NS_OK;
}
#endif
return nsHTMLContainerFrame::QueryInterface(aIID, aInstancePtr);
}
//--------------------------------------------------------------
PRBool
nsComboboxControlFrame::IsSuccessful(nsIFormControlFrame* aSubmitter)
{
nsAutoString name;
return (NS_CONTENT_ATTR_HAS_VALUE == GetName(&name));
}
//--------------------------------------------------------------
void
nsComboboxControlFrame::Reset()
{
SetFocus(PR_TRUE, PR_TRUE);
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsComboboxControlFrame::GetType(PRInt32* aType) const
{
*aType = NS_FORM_SELECT;
return NS_OK;
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsComboboxControlFrame::GetFormContent(nsIContent*& aContent) const
{
nsIContent* content;
nsresult rv;
rv = GetContent(&content);
aContent = content;
return rv;
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsComboboxControlFrame::GetFont(nsIPresContext* aPresContext,
nsFont& aFont)
{
nsFormControlHelper::GetFont(this, aPresContext, mStyleContext, aFont);
return NS_OK;
}
//--------------------------------------------------------------
nscoord
nsComboboxControlFrame::GetVerticalBorderWidth(float aPixToTwip) const
{
return NSIntPixelsToTwips(3, aPixToTwip);
}
//--------------------------------------------------------------
nscoord
nsComboboxControlFrame::GetHorizontalBorderWidth(float aPixToTwip) const
{
return GetVerticalBorderWidth(aPixToTwip);
}
//--------------------------------------------------------------
nscoord
nsComboboxControlFrame::GetVerticalInsidePadding(float aPixToTwip,
nscoord aInnerHeight) const
{
return 0;
}
//--------------------------------------------------------------
nscoord
nsComboboxControlFrame::GetHorizontalInsidePadding(nsIPresContext& aPresContext,
float aPixToTwip,
nscoord aInnerWidth,
nscoord aCharWidth) const
{
return 0;
}
//--------------------------------------------------------------
// XXX this should be removed when nsView exposes it
nsIWidget*
nsComboboxControlFrame::GetWindowTemp(nsIView *aView)
{
nsIWidget *window = nsnull;
nsIView *ancestor = aView;
while (nsnull != ancestor) {
ancestor->GetWidget(window);
if (nsnull != window) {
return window;
}
ancestor->GetParent(ancestor);
}
return nsnull;
}
//--------------------------------------------------------------
void
nsComboboxControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
{
//mContent->SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::kClass, "SELECTED", PR_TRUE);
mGotFocus = aOn;
if (aRepaint) {
nsFormControlHelper::ForceDrawFrame(this);
}
}
//--------------------------------------------------------------
// this is in response to the MouseClick from the containing browse button
// XXX still need to get filters from accept attribute
void nsComboboxControlFrame::MouseClicked(nsIPresContext* aPresContext)
{
if (nsnull != mListControlFrame) {
SetFocus(PR_FALSE, PR_TRUE);
mCurrentStyleContext = (mCurrentStyleContext == mHiddenStyleContext ? mVisibleStyleContext : mHiddenStyleContext);
if (mCurrentStyleContext == mVisibleStyleContext) {
mListControlFrame->AboutToDropDown();
nsIFormControlFrame* fcFrame = nsnull;
nsresult result = mListFrame->QueryInterface(kIFormControlFrameIID, (void**)&fcFrame);
if ((NS_OK == result) && (nsnull != fcFrame)) {
fcFrame->SetFocus(PR_TRUE, PR_FALSE);
}
} else {
SetFocus(PR_TRUE, PR_TRUE);
}
mListFrame->ReResolveStyleContext(aPresContext, mCurrentStyleContext);
nsFormControlHelper::ForceDrawFrame(mListFrame);
}
}
//----------------------------------------------------------------------
NS_IMETHODIMP
nsComboboxControlFrame::SetInitialChildList(nsIPresContext& aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList)
{
nsFormFrame::AddFormControlFrame(aPresContext, *this);
return NS_OK;
}
//--------------------------------------------------------------
NS_IMETHODIMP nsComboboxControlFrame::Reflow(nsIPresContext& aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
if (mFirstTime) {
ReResolveStyleContext(&aPresContext, mStyleContext); // XXX This temporary
mListFrame->ReResolveStyleContext(&aPresContext, mCurrentStyleContext);
mFirstTime = PR_FALSE;
}
PRInt32 numChildren = mFrames.GetLength();
//nsIFrame* childFrame;
if (1 == numChildren) {
nsIAtom * textBlockContentPseudo = NS_NewAtom(":combobox-text");
aPresContext.ResolvePseudoStyleContextFor(mContent, textBlockContentPseudo,
mStyleContext, PR_FALSE,
&mBlockTextStyle);
NS_RELEASE(textBlockContentPseudo);
// XXX This code should move to Init(), someday when the frame construction
// changes are all done and Init() is always getting called...
/*PRBool disabled = */nsFormFrame::GetDisabled(this);
}
// nsSize maxSize(aReflowState.availableWidth, aReflowState.availableHeight);
////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////
{
nsIDOMHTMLSelectElement* select = nsListControlFrame::GetSelect(mContent);
if (!select) {
return NS_OK;
}
nsIDOMHTMLCollection* options = nsListControlFrame::GetOptions(mContent, select);
if (!options) {
NS_RELEASE(select);
return NS_OK;
}
// get the css size
nsSize styleSize;
nsFormControlFrame::GetStyleSize(aPresContext, aReflowState, styleSize);
// get the size of the longest option
PRInt32 maxWidth = 1;
PRUint32 numOptions;
options->GetLength(&numOptions);
for (PRUint32 i = 0; i < numOptions; i++) {
nsIDOMHTMLOptionElement* option = nsListControlFrame::GetOption(*options, i);
if (option) {
//option->CompressContent();
nsAutoString text;
if (NS_CONTENT_ATTR_HAS_VALUE != option->GetText(text)) {
continue;
}
nsSize textSize;
// use the style for the select rather that the option, since widgets don't support it
nsFormControlHelper::GetTextSize(aPresContext, this, text, textSize, aReflowState.rendContext);
//nsFormControlHelper::GetTextSize(aPresContext, this, 1, textSize, aReflowState.rendContext);
if (textSize.width > maxWidth) {
maxWidth = textSize.width;
}
NS_RELEASE(option);
}
}
PRInt32 rowHeight = 0;
nsSize desiredSize;
nsSize minSize;
PRBool widthExplicit, heightExplicit;
nsInputDimensionSpec textSpec(nsnull, PR_FALSE, nsnull, nsnull,
maxWidth, PR_TRUE, nsHTMLAtoms::size, 1);
// XXX fix CalculateSize to return PRUint32
PRUint32 numRows =
(PRUint32)nsFormControlHelper::CalculateSize(&aPresContext, aReflowState.rendContext, this,
styleSize, textSpec, desiredSize, minSize,
widthExplicit, heightExplicit, rowHeight);
float sp2t;
float p2t;
aPresContext.GetPixelsToTwips(&p2t);
aPresContext.GetScaledPixelsToTwips(&sp2t);
nscoord onePixel = NSIntPixelsToTwips(1, sp2t);
nscoord scrollbarWidth = 0;
nscoord scrollbarHeight = 0;
nsListControlFrame::GetScrollBarDimensions(aPresContext, scrollbarWidth, scrollbarHeight);
nscoord extra = desiredSize.height - (rowHeight * numRows);
numRows = (numOptions > 20 ? 20 : numOptions);
desiredSize.height = (numRows * rowHeight) + extra;
aDesiredSize.descent = 0;
nsMargin border;
const nsStyleSpacing* mySpacing = (const nsStyleSpacing*)mStyleContext->GetStyleData(eStyleStruct_Spacing);
mySpacing->CalcBorderFor(this, border);
float scale;
float sbWidth;
float sbHeight;
nsCOMPtr<nsIDeviceContext> context;
aPresContext.GetDeviceContext(getter_AddRefs(context));
context->GetCanonicalPixelScale(scale);
context->GetScrollBarDimensions(sbWidth, sbHeight);
PRInt32 scrollbarScaledWidth = PRInt32(sbWidth * scale);
// PRInt32 scrollbarScaledHeight = PRInt32(sbWidth * scale);
nsFont font(aPresContext.GetDefaultFixedFontDeprecated());
SystemAttrStruct sis;
sis.mFont = &font;
context->GetSystemAttribute(eSystemAttr_Font_Tooltips, &sis);
nscoord horKludgeAdjustment = NSIntPixelsToTwips(14, p2t);
nscoord horAdjustment = scrollbarScaledWidth + border.left + border.right + horKludgeAdjustment;
aDesiredSize.width = desiredSize.width + horAdjustment;
nscoord verKludgeAdjustment = onePixel;
nscoord verAdjustment = border.top + border.bottom + verKludgeAdjustment;
aDesiredSize.height = rowHeight + verAdjustment;
mButtonRect.SetRect(aDesiredSize.width-scrollbarScaledWidth-border.right, border.top,
scrollbarScaledWidth, aDesiredSize.height);
if (nsnull != aDesiredSize.maxElementSize) {
aDesiredSize.maxElementSize->width = minSize.width + verAdjustment;
aDesiredSize.maxElementSize->height = minSize.height + horAdjustment;
}
nsRect frameRect;
GetRect(frameRect);
nsRect curRect;
mPlaceHolderFrame->GetRect(curRect);
curRect.x = frameRect.x;
curRect.y = frameRect.y + aDesiredSize.height;
mPlaceHolderFrame->SetRect(curRect);
mListFrame->GetRect(frameRect);
}
////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
//------------------------------------------------------------------------------
void
nsComboboxControlFrame::PaintComboboxControl(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer)
{
const nsStyleDisplay* disp = (const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display);
if (!disp->mVisible) {
return;
}
aRenderingContext.PushState();
const nsStyleColor* myColor = (const nsStyleColor*)mStyleContext->GetStyleData(eStyleStruct_Color);
const nsStyleSpacing* mySpacing = (const nsStyleSpacing*)mStyleContext->GetStyleData(eStyleStruct_Spacing);
const nsStyleFont* myFont = (const nsStyleFont*)mStyleContext->GetStyleData(eStyleStruct_Font);
nsIStyleContext * blkStyle;
if (mGotFocus) {
blkStyle = mTextStr.Length() > 0?mBlockTextSelectedFocusStyle:mBlockTextStyle;
} else {
blkStyle = mTextStr.Length() > 0?mBlockTextSelectedStyle:mBlockTextStyle;
}
const nsStyleColor* blkColor = (const nsStyleColor*)blkStyle->GetStyleData(eStyleStruct_Color);
const nsStyleSpacing* blkSpacing = (const nsStyleSpacing*)blkStyle->GetStyleData(eStyleStruct_Spacing);
// const nsStyleFont* blkFont = (const nsStyleFont*)blkStyle->GetStyleData(eStyleStruct_Font);
nsRect rect(0, 0, mRect.width, mRect.height);
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this,
aDirtyRect, rect, *myColor, *mySpacing, 0, 0);
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
aDirtyRect, rect, *mySpacing, mStyleContext, 0);
nsHTMLContainerFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
const nsStyleSpacing* spacing =(const nsStyleSpacing*)mStyleContext->GetStyleData(eStyleStruct_Spacing);
nsMargin border;
spacing->CalcBorderFor(this, border);
float p2t;
aPresContext.GetScaledPixelsToTwips(&p2t);
nscoord onePixel = NSIntPixelsToTwips(1, p2t);
nsRect outside(0, 0, mRect.width, mRect.height);
outside.Deflate(border);
nsRect inside(outside);
outside.Deflate(onePixel, onePixel);
aRenderingContext.SetColor(blkColor->mBackgroundColor);
aRenderingContext.FillRect(inside.x, inside.y, inside.width, inside.height);
float appUnits;
float devUnits;
float scale;
nsIDeviceContext * context;
aRenderingContext.GetDeviceContext(context);
context->GetCanonicalPixelScale(scale);
context->GetAppUnitsToDevUnits(devUnits);
context->GetDevUnitsToAppUnits(appUnits);
float sbWidth;
float sbHeight;
context->GetScrollBarDimensions(sbWidth, sbHeight);
PRInt32 scrollbarScaledWidth = PRInt32(sbWidth * scale);
PRInt32 scrollbarScaledHeight = PRInt32(sbWidth * scale);
nsFont font(aPresContext.GetDefaultFixedFontDeprecated());
GetFont(&aPresContext, font);
aRenderingContext.SetFont(myFont->mFont);
inside.width -= scrollbarScaledWidth;
PRBool clipEmpty;
aRenderingContext.PushState();
aRenderingContext.SetClipRect(inside, nsClipCombine_kReplace, clipEmpty);
nscoord x = inside.x + (onePixel * 4);
nscoord y = inside.y;
aRenderingContext.SetColor(blkColor->mColor);
aRenderingContext.DrawString(mTextStr, x, y);
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
aDirtyRect, inside, *blkSpacing, blkStyle, 0);
aRenderingContext.PopState(clipEmpty);
////////////////////////////////
inside.width -= scrollbarScaledWidth;
inside.height -= scrollbarScaledHeight;
// Scrollbars
//const nsStyleColor* myColor = (const nsStyleColor*)mStyleContext->GetStyleData(eStyleStruct_Color);
//nsIAtom * sbAtom = NS_NewAtom(":scrollbar-arrow-look");
//nsIStyleContext* arrowStyle = aPresContext.ResolvePseudoStyleContextFor(mContent, sbAtom, mStyleContext);
//NS_RELEASE(sbAtom);
const nsStyleSpacing* arrowSpacing = (const nsStyleSpacing*)mArrowStyle->GetStyleData(eStyleStruct_Spacing);
// const nsStyleColor* arrowColor = (const nsStyleColor*)mArrowStyle->GetStyleData(eStyleStruct_Color);
nsRect srect(0,0,0,0);//mRect.width-scrollbarWidth-onePixel, onePixel, scrollbarWidth, mRect.height-(onePixel*2));
srect = mButtonRect;
nsFormControlHelper::PaintArrow(nsFormControlHelper::eArrowDirection_Down, aRenderingContext,aPresContext,
aDirtyRect, srect, onePixel, mArrowStyle, *arrowSpacing, this, mRect);
//}
NS_RELEASE(context);
PRBool status;
aRenderingContext.PopState(status);
}
NS_METHOD
nsComboboxControlFrame::Paint(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer)
{
if (eFramePaintLayer_Content == aWhichLayer) {
PaintComboboxControl(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
}
return NS_OK;
}
//--------------------------------------------------------------
PRIntn
nsComboboxControlFrame::GetSkipSides() const
{
return 0;
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsComboboxControlFrame::GetName(nsString* aResult)
{
nsresult result = NS_FORM_NOTOK;
if (mContent) {
nsIHTMLContent* formControl = nsnull;
result = mContent->QueryInterface(kIHTMLContentIID, (void**)&formControl);
if ((NS_OK == result) && formControl) {
nsHTMLValue value;
result = formControl->GetHTMLAttribute(nsHTMLAtoms::name, value);
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
if (eHTMLUnit_String == value.GetUnit()) {
value.GetStringValue(*aResult);
}
}
NS_RELEASE(formControl);
}
}
return result;
}
//--------------------------------------------------------------
PRInt32
nsComboboxControlFrame::GetMaxNumValues()
{
return 1;
}
//--------------------------------------------------------------
PRBool
nsComboboxControlFrame::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;
}
// use our name and the text widgets value
aNames[0] = name;
nsresult status = PR_FALSE;
/*nsIWidget* widget;
nsITextWidget* textWidget;
mTextFrame->GetWidget(&widget);
if (widget && (NS_OK == widget->QueryInterface(kITextWidgetIID, (void**)&textWidget))) {
PRUint32 actualSize;
textWidget->GetText(aValues[0], 0, actualSize);
aNumValues = 1;
NS_RELEASE(textWidget);
status = PR_TRUE;
}
NS_IF_RELEASE(widget);*/
return status;
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsComboboxControlFrame::GetFrameName(nsString& aResult) const
{
return MakeFrameName("ComboboxControl", aResult);
}
void
nsComboboxControlFrame::RefreshStyleContext(nsIPresContext* aPresContext,
nsIAtom * aNewContentPseudo,
nsIStyleContext*& aCurrentStyle,
nsIContent * aContent,
nsIStyleContext* aParentStyle)
{
nsIStyleContext* newStyleContext;
aPresContext->ProbePseudoStyleContextFor(aContent,
aNewContentPseudo,
aParentStyle,
PR_FALSE,
&newStyleContext);
if (newStyleContext != aCurrentStyle) {
NS_IF_RELEASE(aCurrentStyle);
aCurrentStyle = newStyleContext;
} else {
NS_IF_RELEASE(newStyleContext);
}
}
NS_IMETHODIMP
nsComboboxControlFrame::ReResolveStyleContext(nsIPresContext* aPresContext,
nsIStyleContext* aParentContext)
{
nsIStyleContext* oldContext = mStyleContext;
// NOTE: using nsFrame's ReResolveStyleContext method to avoid
// useless version in base classes.
nsresult rv = nsFrame::ReResolveStyleContext(aPresContext, aParentContext);
if (NS_FAILED(rv)) {
return rv;
}
if (oldContext != mStyleContext) {
PRBool currentIsVisible = (mCurrentStyleContext == mVisibleStyleContext?PR_TRUE:PR_FALSE);
RefreshStyleContext(aPresContext, nsHTMLAtoms::dropDownVisible, mVisibleStyleContext, mContent, mStyleContext);
RefreshStyleContext(aPresContext, nsHTMLAtoms::dropDownHidden, mHiddenStyleContext, mContent, mStyleContext);
mCurrentStyleContext = (currentIsVisible?mVisibleStyleContext:mHiddenStyleContext);
mListFrame->ReResolveStyleContext(aPresContext,
(nsnull != mCurrentStyleContext? mCurrentStyleContext : mStyleContext));
// Button Style
RefreshStyleContext(aPresContext, nsHTMLAtoms::dropDownBtnOut, mBtnOutStyleContext, mContent, mStyleContext);
RefreshStyleContext(aPresContext, nsHTMLAtoms::dropDownBtnPressed, mBtnPressedStyleContext, mContent, mStyleContext);
nsIAtom * txtBlkContentPseudo = NS_NewAtom(":combobox-text");
RefreshStyleContext(aPresContext, txtBlkContentPseudo, mBlockTextStyle, mContent, mStyleContext);
NS_IF_RELEASE(txtBlkContentPseudo);
nsIAtom * txtBlkSelContentPseudo = NS_NewAtom(":combobox-textselected");
RefreshStyleContext(aPresContext, txtBlkSelContentPseudo, mBlockTextSelectedStyle, mContent, mStyleContext);
NS_IF_RELEASE(txtBlkSelContentPseudo);
nsIAtom * txtBlkSelFocContentPseudo = NS_NewAtom(":combobox-textselectedfocus");
RefreshStyleContext(aPresContext, txtBlkSelFocContentPseudo, mBlockTextSelectedFocusStyle, mContent, mStyleContext);
NS_IF_RELEASE(txtBlkSelFocContentPseudo);
}
return rv;
}
//----------------------------------------------------------------------
NS_IMETHODIMP nsComboboxControlFrame::HandleEvent(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus)
{
if (nsEventStatus_eConsumeNoDefault == aEventStatus) {
return NS_OK;
}
if(nsEventStatus_eConsumeNoDefault != aEventStatus) {
if (aEvent->message == NS_MOUSE_LEFT_BUTTON_DOWN) {
} else if (aEvent->message == NS_MOUSE_MOVE && mDoingSelection ||
aEvent->message == NS_MOUSE_LEFT_BUTTON_UP) {
// no-op
} else {
return NS_OK;
}
aEventStatus = nsEventStatus_eConsumeNoDefault;
if (aEvent->message == NS_MOUSE_LEFT_BUTTON_UP) {
mArrowStyle = mBtnOutStyleContext;
nsFormControlHelper::ForceDrawFrame(this);
//MouseClicked(&aPresContext);
} else if (aEvent->message == NS_MOUSE_MOVE) {
} else if (aEvent->message == NS_MOUSE_LEFT_BUTTON_DOWN) {
mArrowStyle = mBtnPressedStyleContext;
nsFormControlHelper::ForceDrawFrame(this);
MouseClicked(&aPresContext);
}
}
return NS_OK;
}
//----------------------------------------------------------------------
NS_IMETHODIMP
nsComboboxControlFrame::GetFrameForPoint(const nsPoint& aPoint, nsIFrame** aFrame)
{
//nsresult rv = nsScrollFrame::GetFrameForPoint(aPoint, aFrame);
nsresult rv = GetFrameForPointUsing(aPoint, nsnull, aFrame);
if (NS_OK == rv) {
if (*aFrame != this) {
//mHitFrame = *aFrame;
*aFrame = this;
}
return NS_OK;
}
*aFrame = this;
return NS_OK;
}
nsresult
nsComboboxControlFrame::GetFrameForPointUsing(const nsPoint& aPoint,
nsIAtom* aList,
nsIFrame** aFrame)
{
*aFrame = this;
return NS_OK;
}
//----------------------------------------------------------------------
// nsIPluggableEventListener
//----------------------------------------------------------------------
//----------------------------------------------------------------------
NS_IMETHODIMP nsComboboxControlFrame::PluggableEventHandler(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus)
{
HandleEvent(aPresContext, aEvent, aEventStatus);
//aEventStatus = nsEventStatus_eConsumeNoDefault;
return NS_OK;
}
//----------------------------------------------------------------------
NS_IMETHODIMP nsComboboxControlFrame::PluggableGetFrameForPoint(const nsPoint& aPoint,
nsIFrame** aFrame)
{
return GetFrameForPoint(aPoint, aFrame);
}
//----------------------------------------------------------------------
// nsIComboboxControlFrame
//----------------------------------------------------------------------
//----------------------------------------------------------------------
NS_IMETHODIMP
nsComboboxControlFrame::SetDropDown(nsIFrame* aPlaceHolderFrame, nsIFrame* aDropDownFrame)
{
mPlaceHolderFrame = aPlaceHolderFrame;
mListFrame = aDropDownFrame;
if (NS_OK != mListFrame->QueryInterface(kIListControlFrameIID, (void**)&mListControlFrame)) {
return NS_ERROR_FAILURE;
}
// Ok, since we now know we have the ListFrame, and we are assuming at this point it has been initialized
// Let's get the currently selected item, but we make the call using the Interface
mListControlFrame->GetSelectedItem(mTextStr);
AppendChildren(mPlaceHolderFrame, PR_FALSE);
return NS_OK;
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsComboboxControlFrame::SetDropDownStyleContexts(nsIStyleContext * aVisible, nsIStyleContext * aHidden)
{
mVisibleStyleContext = aVisible;
mHiddenStyleContext = aHidden;
mCurrentStyleContext = mHiddenStyleContext;
NS_ADDREF(mVisibleStyleContext);
NS_ADDREF(mHiddenStyleContext);
return NS_OK;
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsComboboxControlFrame::SetButtonStyleContexts(nsIStyleContext * aOut, nsIStyleContext * aPressed)
{
mBtnOutStyleContext = aOut;
mBtnPressedStyleContext = aPressed;
mArrowStyle = aOut;
NS_ADDREF(mBtnOutStyleContext);
NS_ADDREF(mBtnPressedStyleContext);
return NS_OK;
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsComboboxControlFrame::ListWasSelected(nsIPresContext* aPresContext)
{
mArrowStyle = mBtnOutStyleContext;
MouseClicked(aPresContext);
nsString str;
if (nsnull != mListControlFrame) {
mListControlFrame->GetSelectedItem(mTextStr);
nsIFormControlFrame* fcFrame = nsnull;
nsresult result = mListFrame->QueryInterface(kIFormControlFrameIID, (void**)&fcFrame);
if ((NS_OK == result) && (nsnull != fcFrame)) {
fcFrame->SetFocus(PR_FALSE, PR_FALSE);
}
SetFocus(PR_TRUE, PR_TRUE);
}
return NS_OK;
}
NS_IMETHODIMP nsComboboxControlFrame::SetProperty(nsIAtom* aName, const nsString& aValue)
{
return NS_OK;
}
NS_IMETHODIMP nsComboboxControlFrame::GetProperty(nsIAtom* aName, nsString& aValue)
{
return NS_OK;
}
nsresult nsComboboxControlFrame::RequiresWidget(PRBool& aRequiresWidget)
{
aRequiresWidget = PR_FALSE;
return NS_OK;
}
Reference in New Issue View Git Blame Copy Permalink