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Preliminary support for onPaint event handling

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This commit is contained in:
kipp@netscape.com
1998-10-06 21:01:41 +00:00
parent 835811ef97
commit 34f17c9ef6
2 changed files with 68 additions and 6 deletions
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37
layout/generic/nsHTMLContainerFrame.cpp
View File

@@ -40,6 +40,8 @@
#include "nsIViewManager.h" #include "nsIViewManager.h"
#include "nsViewsCID.h" #include "nsViewsCID.h"
#include "nsIReflowCommand.h" #include "nsIReflowCommand.h"
#include "nsHTMLIIDs.h"
#include "nsDOMEvent.h"
NS_DEF_PTR(nsIStyleContext); NS_DEF_PTR(nsIStyleContext);
@@ -52,10 +54,39 @@ nsHTMLContainerFrame::~nsHTMLContainerFrame()
{ {
} }
NS_METHOD nsHTMLContainerFrame::Paint(nsIPresContext& aPresContext, NS_IMETHODIMP
nsIRenderingContext& aRenderingContext, nsHTMLContainerFrame::Paint(nsIPresContext& aPresContext,
const nsRect& aDirtyRect) nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect)
{ {
// Probe for a JS onPaint event handler
nsIHTMLContent* hc;
if (NS_OK == mContent->QueryInterface(kIHTMLContentIID, (void**)&hc)) {
nsHTMLValue val;
if (NS_CONTENT_ATTR_HAS_VALUE ==
hc->GetAttribute(nsHTMLAtoms::onpaint, val)) {
nsEventStatus es;
nsresult rv;
nsPaintEvent event;
event.eventStructType = NS_PAINT_EVENT;
event.message = NS_PAINT;
event.point.x = 0;
event.point.y = 0;
event.time = 0;
event.widget = nsnull;
event.widgetSupports = nsnull;
event.nativeMsg = nsnull;
event.renderingContext = nsnull;
event.rect = nsnull;
rv = mContent->HandleDOMEvent(aPresContext, &event, nsnull, DOM_EVENT_INIT, es);
if (NS_OK == rv) {
}
}
NS_RELEASE(hc);
}
// Paint our background and border // Paint our background and border
const nsStyleDisplay* disp = const nsStyleDisplay* disp =
(const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display); (const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display);

37
layout/html/base/src/nsHTMLContainerFrame.cpp
View File

@@ -40,6 +40,8 @@
#include "nsIViewManager.h" #include "nsIViewManager.h"
#include "nsViewsCID.h" #include "nsViewsCID.h"
#include "nsIReflowCommand.h" #include "nsIReflowCommand.h"
#include "nsHTMLIIDs.h"
#include "nsDOMEvent.h"
NS_DEF_PTR(nsIStyleContext); NS_DEF_PTR(nsIStyleContext);
@@ -52,10 +54,39 @@ nsHTMLContainerFrame::~nsHTMLContainerFrame()
{ {
} }
NS_METHOD nsHTMLContainerFrame::Paint(nsIPresContext& aPresContext, NS_IMETHODIMP
nsIRenderingContext& aRenderingContext, nsHTMLContainerFrame::Paint(nsIPresContext& aPresContext,
const nsRect& aDirtyRect) nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect)
{ {
// Probe for a JS onPaint event handler
nsIHTMLContent* hc;
if (NS_OK == mContent->QueryInterface(kIHTMLContentIID, (void**)&hc)) {
nsHTMLValue val;
if (NS_CONTENT_ATTR_HAS_VALUE ==
hc->GetAttribute(nsHTMLAtoms::onpaint, val)) {
nsEventStatus es;
nsresult rv;
nsPaintEvent event;
event.eventStructType = NS_PAINT_EVENT;
event.message = NS_PAINT;
event.point.x = 0;
event.point.y = 0;
event.time = 0;
event.widget = nsnull;
event.widgetSupports = nsnull;
event.nativeMsg = nsnull;
event.renderingContext = nsnull;
event.rect = nsnull;
rv = mContent->HandleDOMEvent(aPresContext, &event, nsnull, DOM_EVENT_INIT, es);
if (NS_OK == rv) {
}
}
NS_RELEASE(hc);
}
// Paint our background and border // Paint our background and border
const nsStyleDisplay* disp = const nsStyleDisplay* disp =
(const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display); (const nsStyleDisplay*)mStyleContext->GetStyleData(eStyleStruct_Display);