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Added new interface to support additional StyleContexts that can be used for "skinning" checkboxes.

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r=kmcclusk
This commit is contained in:
rods%netscape.com 2000-03-24 15:02:02 +00:00
parent 2229b04792
commit decb8aabb8
4 changed files with 218 additions and 6 deletions
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95
layout/forms/nsGfxCheckboxControlFrame.cpp
View File

@ -31,6 +31,7 @@
#include "nsHTMLAtoms.h"
#include "nsINameSpaceManager.h"
#include "nsIPresState.h"
#include "nsCSSRendering.h"
//------------------------------------------------------------
nsresult
@ -52,10 +53,17 @@ NS_NewGfxCheckboxControlFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
//------------------------------------------------------------
// Initialize GFX-rendered state
nsGfxCheckboxControlFrame::nsGfxCheckboxControlFrame()
: mChecked(eOff)
: mChecked(eOff),
mCheckButtonFaceStyle(nsnull)
{
}
nsGfxCheckboxControlFrame::~nsGfxCheckboxControlFrame()
{
NS_IF_RELEASE(mCheckButtonFaceStyle);
}
//----------------------------------------------------------------------
// nsISupports
//----------------------------------------------------------------------
@ -70,9 +78,22 @@ nsGfxCheckboxControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr
*aInstancePtr = (void*)(nsIStatefulFrame*) this;
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsICheckboxControlFrame))) {
*aInstancePtr = (void*) ((nsICheckboxControlFrame*) this);
return NS_OK;
}
return nsFormControlFrame::QueryInterface(aIID, aInstancePtr);
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsGfxCheckboxControlFrame::SetCheckboxFaceStyleContext(nsIStyleContext *aCheckboxFaceStyleContext)
{
mCheckButtonFaceStyle = aCheckboxFaceStyleContext;
NS_ADDREF(mCheckButtonFaceStyle);
return NS_OK;
}
//------------------------------------------------------------
//
// Init
@ -103,6 +124,48 @@ nsGfxCheckboxControlFrame::Init(nsIPresContext* aPresContext,
return NS_OK;
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsGfxCheckboxControlFrame::GetAdditionalStyleContext(PRInt32 aIndex,
nsIStyleContext** aStyleContext) const
{
NS_PRECONDITION(nsnull != aStyleContext, "null OUT parameter pointer");
if (aIndex < 0) {
return NS_ERROR_INVALID_ARG;
}
*aStyleContext = nsnull;
switch (aIndex) {
case NS_GFX_CHECKBOX_CONTROL_FRAME_FACE_CONTEXT_INDEX:
*aStyleContext = mCheckButtonFaceStyle;
NS_IF_ADDREF(*aStyleContext);
break;
default:
return NS_ERROR_INVALID_ARG;
}
return NS_OK;
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsGfxCheckboxControlFrame::SetAdditionalStyleContext(PRInt32 aIndex,
nsIStyleContext* aStyleContext)
{
if (aIndex < 0) {
return NS_ERROR_INVALID_ARG;
}
switch (aIndex) {
case NS_GFX_CHECKBOX_CONTROL_FRAME_FACE_CONTEXT_INDEX:
NS_IF_RELEASE(mCheckButtonFaceStyle);
mCheckButtonFaceStyle = aStyleContext;
NS_IF_ADDREF(aStyleContext);
break;
}
return NS_OK;
}
//------------------------------------------------------------
//
// GetTristateAtom [static]
@ -312,8 +375,36 @@ nsGfxCheckboxControlFrame::Paint(nsIPresContext* aPresContext,
// Paint the background
nsFormControlFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) {
PRBool doDefaultPainting = PR_TRUE;
// Paint the checkmark
PaintCheckBox(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
if (nsnull != mCheckButtonFaceStyle && GetCheckboxState() == eOn) {
const nsStyleColor* myColor = (const nsStyleColor*)
mCheckButtonFaceStyle->GetStyleData(eStyleStruct_Color);
if (myColor->mBackgroundImage.Length() > 0) {
const nsStyleSpacing* mySpacing = (const nsStyleSpacing*)
mCheckButtonFaceStyle->GetStyleData(eStyleStruct_Spacing);
const nsStylePosition* myPosition = (const nsStylePosition*)
mCheckButtonFaceStyle->GetStyleData(eStyleStruct_Position);
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);
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this,
aDirtyRect, rect, *myColor, *mySpacing, 0, 0);
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
aDirtyRect, rect, *mySpacing, mCheckButtonFaceStyle, 0);
doDefaultPainting = PR_FALSE;
}
}
if (doDefaultPainting) {
PaintCheckBox(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
}
}
return NS_OK;
}

17
layout/forms/nsGfxCheckboxControlFrame.h
View File

@ -24,13 +24,19 @@
#include "nsFormControlFrame.h"
#include "nsIStatefulFrame.h"
#include "nsICheckboxControlFrame.h"
#define NS_GFX_CHECKBOX_CONTROL_FRAME_FACE_CONTEXT_INDEX 0 // for additional style contexts
#define NS_GFX_CHECKBOX_CONTROL_FRAME_LAST_CONTEXT_INDEX 0
class nsGfxCheckboxControlFrame : public nsFormControlFrame,
public nsIStatefulFrame
public nsIStatefulFrame,
public nsICheckboxControlFrame
{
public:
nsGfxCheckboxControlFrame();
virtual ~nsGfxCheckboxControlFrame();
#ifdef DEBUG
NS_IMETHOD GetFrameName(nsString& aResult) const {
@ -57,8 +63,16 @@ public:
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer);
//nsIRadioControlFrame methods
NS_IMETHOD SetCheckboxFaceStyleContext(nsIStyleContext *aCheckboxFaceStyleContext);
void InitializeControl(nsIPresContext* aPresContext);
NS_IMETHOD GetAdditionalStyleContext(PRInt32 aIndex,
nsIStyleContext** aStyleContext) const;
NS_IMETHOD SetAdditionalStyleContext(PRInt32 aIndex,
nsIStyleContext* aStyleContext);
// nsIFormControlFrame
NS_IMETHOD SetProperty(nsIPresContext* aPresContext, nsIAtom* aName, const nsString& aValue);
NS_IMETHOD GetProperty(nsIAtom* aName, nsString& aValue);
@ -121,6 +135,7 @@ protected:
//GFX-rendered state variables
CheckState mChecked;
nsIStyleContext* mCheckButtonFaceStyle;
private:
NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }

95
layout/html/forms/src/nsGfxCheckboxControlFrame.cpp
View File

@ -31,6 +31,7 @@
#include "nsHTMLAtoms.h"
#include "nsINameSpaceManager.h"
#include "nsIPresState.h"
#include "nsCSSRendering.h"
//------------------------------------------------------------
nsresult
@ -52,10 +53,17 @@ NS_NewGfxCheckboxControlFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
//------------------------------------------------------------
// Initialize GFX-rendered state
nsGfxCheckboxControlFrame::nsGfxCheckboxControlFrame()
: mChecked(eOff)
: mChecked(eOff),
mCheckButtonFaceStyle(nsnull)
{
}
nsGfxCheckboxControlFrame::~nsGfxCheckboxControlFrame()
{
NS_IF_RELEASE(mCheckButtonFaceStyle);
}
//----------------------------------------------------------------------
// nsISupports
//----------------------------------------------------------------------
@ -70,9 +78,22 @@ nsGfxCheckboxControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr
*aInstancePtr = (void*)(nsIStatefulFrame*) this;
return NS_OK;
}
if (aIID.Equals(NS_GET_IID(nsICheckboxControlFrame))) {
*aInstancePtr = (void*) ((nsICheckboxControlFrame*) this);
return NS_OK;
}
return nsFormControlFrame::QueryInterface(aIID, aInstancePtr);
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsGfxCheckboxControlFrame::SetCheckboxFaceStyleContext(nsIStyleContext *aCheckboxFaceStyleContext)
{
mCheckButtonFaceStyle = aCheckboxFaceStyleContext;
NS_ADDREF(mCheckButtonFaceStyle);
return NS_OK;
}
//------------------------------------------------------------
//
// Init
@ -103,6 +124,48 @@ nsGfxCheckboxControlFrame::Init(nsIPresContext* aPresContext,
return NS_OK;
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsGfxCheckboxControlFrame::GetAdditionalStyleContext(PRInt32 aIndex,
nsIStyleContext** aStyleContext) const
{
NS_PRECONDITION(nsnull != aStyleContext, "null OUT parameter pointer");
if (aIndex < 0) {
return NS_ERROR_INVALID_ARG;
}
*aStyleContext = nsnull;
switch (aIndex) {
case NS_GFX_CHECKBOX_CONTROL_FRAME_FACE_CONTEXT_INDEX:
*aStyleContext = mCheckButtonFaceStyle;
NS_IF_ADDREF(*aStyleContext);
break;
default:
return NS_ERROR_INVALID_ARG;
}
return NS_OK;
}
//--------------------------------------------------------------
NS_IMETHODIMP
nsGfxCheckboxControlFrame::SetAdditionalStyleContext(PRInt32 aIndex,
nsIStyleContext* aStyleContext)
{
if (aIndex < 0) {
return NS_ERROR_INVALID_ARG;
}
switch (aIndex) {
case NS_GFX_CHECKBOX_CONTROL_FRAME_FACE_CONTEXT_INDEX:
NS_IF_RELEASE(mCheckButtonFaceStyle);
mCheckButtonFaceStyle = aStyleContext;
NS_IF_ADDREF(aStyleContext);
break;
}
return NS_OK;
}
//------------------------------------------------------------
//
// GetTristateAtom [static]
@ -312,8 +375,36 @@ nsGfxCheckboxControlFrame::Paint(nsIPresContext* aPresContext,
// Paint the background
nsFormControlFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) {
PRBool doDefaultPainting = PR_TRUE;
// Paint the checkmark
PaintCheckBox(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
if (nsnull != mCheckButtonFaceStyle && GetCheckboxState() == eOn) {
const nsStyleColor* myColor = (const nsStyleColor*)
mCheckButtonFaceStyle->GetStyleData(eStyleStruct_Color);
if (myColor->mBackgroundImage.Length() > 0) {
const nsStyleSpacing* mySpacing = (const nsStyleSpacing*)
mCheckButtonFaceStyle->GetStyleData(eStyleStruct_Spacing);
const nsStylePosition* myPosition = (const nsStylePosition*)
mCheckButtonFaceStyle->GetStyleData(eStyleStruct_Position);
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);
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this,
aDirtyRect, rect, *myColor, *mySpacing, 0, 0);
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
aDirtyRect, rect, *mySpacing, mCheckButtonFaceStyle, 0);
doDefaultPainting = PR_FALSE;
}
}
if (doDefaultPainting) {
PaintCheckBox(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
}
}
return NS_OK;
}

17
layout/html/forms/src/nsGfxCheckboxControlFrame.h
View File

@ -24,13 +24,19 @@
#include "nsFormControlFrame.h"
#include "nsIStatefulFrame.h"
#include "nsICheckboxControlFrame.h"
#define NS_GFX_CHECKBOX_CONTROL_FRAME_FACE_CONTEXT_INDEX 0 // for additional style contexts
#define NS_GFX_CHECKBOX_CONTROL_FRAME_LAST_CONTEXT_INDEX 0
class nsGfxCheckboxControlFrame : public nsFormControlFrame,
public nsIStatefulFrame
public nsIStatefulFrame,
public nsICheckboxControlFrame
{
public:
nsGfxCheckboxControlFrame();
virtual ~nsGfxCheckboxControlFrame();
#ifdef DEBUG
NS_IMETHOD GetFrameName(nsString& aResult) const {
@ -57,8 +63,16 @@ public:
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer);
//nsIRadioControlFrame methods
NS_IMETHOD SetCheckboxFaceStyleContext(nsIStyleContext *aCheckboxFaceStyleContext);
void InitializeControl(nsIPresContext* aPresContext);
NS_IMETHOD GetAdditionalStyleContext(PRInt32 aIndex,
nsIStyleContext** aStyleContext) const;
NS_IMETHOD SetAdditionalStyleContext(PRInt32 aIndex,
nsIStyleContext* aStyleContext);
// nsIFormControlFrame
NS_IMETHOD SetProperty(nsIPresContext* aPresContext, nsIAtom* aName, const nsString& aValue);
NS_IMETHOD GetProperty(nsIAtom* aName, nsString& aValue);
@ -121,6 +135,7 @@ protected:
//GFX-rendered state variables
CheckState mChecked;
nsIStyleContext* mCheckButtonFaceStyle;
private:
NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }