зеркало из https://github.com/mozilla/pjs.git
272 строки
9.6 KiB
C++
272 строки
9.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla 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/MPL/
|
|
*
|
|
* 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 the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsGfxRadioControlFrame.h"
|
|
#include "nsHTMLAtoms.h"
|
|
#include "nsHTMLParts.h"
|
|
#include "nsIFormControl.h"
|
|
#include "nsIContent.h"
|
|
#include "nsWidgetsCID.h"
|
|
#include "nsIComponentManager.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsCSSRendering.h"
|
|
#include "nsIPresState.h"
|
|
#include "nsIPresShell.h"
|
|
#include "nsIDocument.h"
|
|
#ifdef ACCESSIBILITY
|
|
#include "nsIAccessibilityService.h"
|
|
#endif
|
|
#include "nsIServiceManager.h"
|
|
#include "nsIDOMNode.h"
|
|
#include "nsITheme.h"
|
|
|
|
nsresult
|
|
NS_NewGfxRadioControlFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
|
|
{
|
|
NS_PRECONDITION(aNewFrame, "null OUT ptr");
|
|
if (nsnull == aNewFrame) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
nsGfxRadioControlFrame* it = new (aPresShell) nsGfxRadioControlFrame;
|
|
if (!it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
*aNewFrame = it;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsGfxRadioControlFrame::nsGfxRadioControlFrame()
|
|
{
|
|
// Initialize GFX-rendered state
|
|
mRadioButtonFaceStyle = nsnull;
|
|
}
|
|
|
|
nsGfxRadioControlFrame::~nsGfxRadioControlFrame()
|
|
{
|
|
if (mRadioButtonFaceStyle)
|
|
mRadioButtonFaceStyle->Release();
|
|
}
|
|
|
|
// Frames are not refcounted, no need to AddRef
|
|
NS_IMETHODIMP
|
|
nsGfxRadioControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
|
|
{
|
|
NS_PRECONDITION(0 != aInstancePtr, "null ptr");
|
|
if (NULL == aInstancePtr) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
if (aIID.Equals(NS_GET_IID(nsIRadioControlFrame))) {
|
|
*aInstancePtr = (void*) ((nsIRadioControlFrame*) this);
|
|
return NS_OK;
|
|
}
|
|
|
|
return nsFormControlFrame::QueryInterface(aIID, aInstancePtr);
|
|
}
|
|
|
|
#ifdef ACCESSIBILITY
|
|
NS_IMETHODIMP nsGfxRadioControlFrame::GetAccessible(nsIAccessible** aAccessible)
|
|
{
|
|
nsCOMPtr<nsIAccessibilityService> accService = do_GetService("@mozilla.org/accessibilityService;1");
|
|
|
|
if (accService) {
|
|
return accService->CreateHTMLRadioButtonAccessible(NS_STATIC_CAST(nsIFrame*, this), aAccessible);
|
|
}
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
#endif
|
|
|
|
//--------------------------------------------------------------
|
|
nsStyleContext*
|
|
nsGfxRadioControlFrame::GetAdditionalStyleContext(PRInt32 aIndex) const
|
|
{
|
|
switch (aIndex) {
|
|
case NS_GFX_RADIO_CONTROL_FRAME_FACE_CONTEXT_INDEX:
|
|
return mRadioButtonFaceStyle;
|
|
break;
|
|
default:
|
|
return nsnull;
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------
|
|
void
|
|
nsGfxRadioControlFrame::SetAdditionalStyleContext(PRInt32 aIndex,
|
|
nsStyleContext* aStyleContext)
|
|
{
|
|
switch (aIndex) {
|
|
case NS_GFX_RADIO_CONTROL_FRAME_FACE_CONTEXT_INDEX:
|
|
if (mRadioButtonFaceStyle)
|
|
mRadioButtonFaceStyle->Release();
|
|
mRadioButtonFaceStyle = aStyleContext;
|
|
if (aStyleContext)
|
|
aStyleContext->AddRef();
|
|
break;
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
nsGfxRadioControlFrame::SetRadioButtonFaceStyleContext(nsStyleContext *aRadioButtonFaceStyleContext)
|
|
{
|
|
mRadioButtonFaceStyle = aRadioButtonFaceStyleContext;
|
|
mRadioButtonFaceStyle->AddRef();
|
|
return NS_OK;
|
|
}
|
|
|
|
//--------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
nsGfxRadioControlFrame::HandleEvent(nsPresContext* aPresContext,
|
|
nsGUIEvent* aEvent,
|
|
nsEventStatus* aEventStatus)
|
|
{
|
|
// 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);
|
|
|
|
// otherwise, do nothing. Events are handled by the DOM.
|
|
return NS_OK;
|
|
}
|
|
|
|
//--------------------------------------------------------------
|
|
void
|
|
nsGfxRadioControlFrame::PaintRadioButton(nsPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect)
|
|
{
|
|
const nsStyleDisplay* disp = GetStyleDisplay();
|
|
if (disp->mAppearance) {
|
|
nsITheme *theme = aPresContext->GetTheme();
|
|
if (theme && theme->ThemeSupportsWidget(aPresContext, this, disp->mAppearance))
|
|
return; // No need to paint the radio button. The theme will do it.
|
|
}
|
|
|
|
PRBool checked = PR_TRUE;
|
|
GetCurrentCheckState(&checked); // Get check state from the content model
|
|
if (checked) {
|
|
// Paint the button for the radio button using CSS background rendering code
|
|
if (nsnull != mRadioButtonFaceStyle) {
|
|
const nsStyleBackground* myColor = mRadioButtonFaceStyle->GetStyleBackground();
|
|
const nsStyleColor* color = mRadioButtonFaceStyle->GetStyleColor();
|
|
const nsStyleBorder* myBorder = mRadioButtonFaceStyle->GetStyleBorder();
|
|
const nsStylePadding* myPadding = mRadioButtonFaceStyle->GetStylePadding();
|
|
const nsStylePosition* myPosition = mRadioButtonFaceStyle->GetStylePosition();
|
|
|
|
nscoord width = myPosition->mWidth.GetCoordValue();
|
|
nscoord height = myPosition->mHeight.GetCoordValue();
|
|
// Position the button centered within the radio control's rectangle.
|
|
nscoord x = (mRect.width - width) / 2;
|
|
nscoord y = (mRect.height - height) / 2;
|
|
nsRect rect(x, y, width, height);
|
|
|
|
// So we will use PaintBackgroundWithSC to paint the dot,
|
|
// but it uses the mBackgroundColor for painting and we need to use the mColor
|
|
// so create a temporary style color struct and set it up appropriately
|
|
// XXXldb It would make more sense to use
|
|
// |aRenderingContext.FillEllipse| here, but on at least GTK that
|
|
// doesn't draw a round enough circle.
|
|
nsStyleBackground tmpColor = *myColor;
|
|
tmpColor.mBackgroundColor = color->mColor;
|
|
nsCSSRendering::PaintBackgroundWithSC(aPresContext, aRenderingContext,
|
|
this, aDirtyRect, rect,
|
|
tmpColor, *myBorder, *myPadding, PR_FALSE);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
|
|
aDirtyRect, rect, *myBorder, mRadioButtonFaceStyle, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
//--------------------------------------------------------------
|
|
NS_METHOD
|
|
nsGfxRadioControlFrame::Paint(nsPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer,
|
|
PRUint32 aFlags)
|
|
{
|
|
PRBool isVisible;
|
|
if (NS_SUCCEEDED(IsVisibleForPainting(aPresContext, aRenderingContext, PR_TRUE, &isVisible)) && !isVisible) {
|
|
return NS_OK;
|
|
}
|
|
// Paint the background
|
|
nsresult rv = nsFormControlFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
|
|
|
|
if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) {
|
|
PaintRadioButton(aPresContext, aRenderingContext, aDirtyRect);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
nsGfxRadioControlFrame::OnChecked(nsPresContext* aPresContext,
|
|
PRBool aChecked)
|
|
{
|
|
Invalidate(GetOutlineRect(), PR_FALSE);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
// Extra Debug Helper Methods
|
|
//----------------------------------------------------------------------
|
|
#ifdef DEBUG_rodsXXX
|
|
NS_IMETHODIMP
|
|
nsGfxRadioControlFrame::Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
DO_GLOBAL_REFLOW_COUNT("nsGfxRadioControlFrame", aReflowState.reason);
|
|
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
|
|
|
|
nsresult rv = nsNativeFormControlFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
|
|
|
|
COMPARE_QUIRK_SIZE("nsGfxRadioControlFrame", 12, 11)
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
|
|
return rv;
|
|
}
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsGfxRadioControlFrame::OnContentReset()
|
|
{
|
|
return NS_OK;
|
|
}
|