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Fixing event clientx/y coords to have the right value even in subviews

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This commit is contained in:
joki%netscape.com 1999-06-16 04:39:51 +00:00
parent 8454d4ddd3
commit 87bdaea2dd
2 changed files with 174 additions and 22 deletions
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98
content/events/src/nsDOMEvent.cpp
View File

@ -24,6 +24,8 @@
#include "nsIRenderingContext.h"
#include "nsIDOMRenderingContext.h"
#include "nsIWidget.h"
#include "nsIWebShell.h"
#include "nsIPresShell.h"
static NS_DEFINE_IID(kIDOMNodeIID, NS_IDOMNODE_IID);
static NS_DEFINE_IID(kIFrameIID, NS_IFRAME_IID);
@ -32,6 +34,7 @@ static NS_DEFINE_IID(kIDOMEventIID, NS_IDOMEVENT_IID);
static NS_DEFINE_IID(kIDOMUIEventIID, NS_IDOMUIEVENT_IID);
static NS_DEFINE_IID(kIDOMNSUIEventIID, NS_IDOMNSUIEVENT_IID);
static NS_DEFINE_IID(kIPrivateDOMEventIID, NS_IPRIVATEDOMEVENT_IID);
static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
static char* mEventNames[] = {
"mousedown", "mouseup", "click", "dblclick", "mouseover",
@ -238,17 +241,87 @@ NS_METHOD nsDOMEvent::GetScreenY(PRInt32* aScreenY)
NS_METHOD nsDOMEvent::GetClientX(PRInt32* aClientX)
{
float t2p;
mPresContext->GetTwipsToPixels(&t2p);
*aClientX = NSTwipsToIntPixels(mEvent->point.x, t2p);
//My god, man, there *must* be a better way to do this.
nsIPresShell* shell;
nsIWidget* rootWidget = nsnull;
mPresContext->GetShell(&shell);
if (shell) {
nsIViewManager* vm;
shell->GetViewManager(&vm);
if (vm) {
nsIView* rootView = nsnull;
vm->GetRootView(rootView);
if (rootView) {
rootView->GetWidget(rootWidget);
}
NS_RELEASE(vm);
}
NS_RELEASE(shell);
}
nsRect bounds, offset;
offset.x = 0;
nsIWidget* parent = ((nsGUIEvent*)mEvent)->widget;
//Add extra ref since loop will free one.
NS_ADDREF(parent);
nsIWidget* tmp;
while (rootWidget != parent) {
parent->GetBounds(bounds);
offset.x += bounds.x;
tmp = parent;
parent = tmp->GetParent();
NS_RELEASE(tmp);
}
NS_IF_RELEASE(parent);
NS_IF_RELEASE(rootWidget);
*aClientX = mEvent->refPoint.x + offset.x;
return NS_OK;
}
NS_METHOD nsDOMEvent::GetClientY(PRInt32* aClientY)
{
float t2p;
mPresContext->GetTwipsToPixels(&t2p);
*aClientY = NSTwipsToIntPixels(mEvent->point.y, t2p);
//My god, man, there *must* be a better way to do this.
nsIPresShell* shell;
nsIWidget* rootWidget = nsnull;
mPresContext->GetShell(&shell);
if (shell) {
nsIViewManager* vm;
shell->GetViewManager(&vm);
if (vm) {
nsIView* rootView = nsnull;
vm->GetRootView(rootView);
if (rootView) {
rootView->GetWidget(rootWidget);
}
NS_RELEASE(vm);
}
NS_RELEASE(shell);
}
nsRect bounds, offset;
offset.y = 0;
nsIWidget* parent = ((nsGUIEvent*)mEvent)->widget;
//Add extra ref since loop will free one.
NS_ADDREF(parent);
nsIWidget* tmp;
while (rootWidget != parent) {
parent->GetBounds(bounds);
offset.y += bounds.y;
tmp = parent;
parent = tmp->GetParent();
NS_RELEASE(tmp);
}
NS_IF_RELEASE(parent);
NS_IF_RELEASE(rootWidget);
*aClientY = mEvent->refPoint.y + offset.y;
return NS_OK;
}
@ -337,12 +410,18 @@ NS_METHOD nsDOMEvent::GetButton(PRUint32* aButton)
// nsINSEventInterface
NS_METHOD nsDOMEvent::GetLayerX(PRInt32* aLayerX)
{
return GetClientX(aLayerX);
float t2p;
mPresContext->GetTwipsToPixels(&t2p);
*aLayerX = NSTwipsToIntPixels(mEvent->point.x, t2p);
return NS_OK;
}
NS_METHOD nsDOMEvent::GetLayerY(PRInt32* aLayerY)
{
return GetClientY(aLayerY);
float t2p;
mPresContext->GetTwipsToPixels(&t2p);
*aLayerY = NSTwipsToIntPixels(mEvent->point.y, t2p);
return NS_OK;
}
NS_METHOD nsDOMEvent::GetPageX(PRInt32* aPageX)
@ -378,7 +457,6 @@ NS_METHOD nsDOMEvent::GetRangeParent(nsIDOMNode** aRangeParent)
if (targetFrame) {
nsIContent* parent = nsnull;
PRUint32 actualOffset;
PRInt32 offset, endOffset;
if (NS_SUCCEEDED(targetFrame->GetPosition(*mPresContext,
@ -408,7 +486,6 @@ NS_METHOD nsDOMEvent::GetRangeOffset(PRInt32* aRangeOffset)
if (targetFrame) {
nsIContent* parent = nsnull;
PRUint32 actualOffset;
PRInt32 endOffset;
if (NS_SUCCEEDED(targetFrame->GetPosition(*mPresContext,
@ -416,7 +493,6 @@ NS_METHOD nsDOMEvent::GetRangeOffset(PRInt32* aRangeOffset)
&parent,
*aRangeOffset,
endOffset))) {
*aRangeOffset += actualOffset;
NS_IF_RELEASE(parent);
return NS_OK;
}

98
layout/events/src/nsDOMEvent.cpp
View File

@ -24,6 +24,8 @@
#include "nsIRenderingContext.h"
#include "nsIDOMRenderingContext.h"
#include "nsIWidget.h"
#include "nsIWebShell.h"
#include "nsIPresShell.h"
static NS_DEFINE_IID(kIDOMNodeIID, NS_IDOMNODE_IID);
static NS_DEFINE_IID(kIFrameIID, NS_IFRAME_IID);
@ -32,6 +34,7 @@ static NS_DEFINE_IID(kIDOMEventIID, NS_IDOMEVENT_IID);
static NS_DEFINE_IID(kIDOMUIEventIID, NS_IDOMUIEVENT_IID);
static NS_DEFINE_IID(kIDOMNSUIEventIID, NS_IDOMNSUIEVENT_IID);
static NS_DEFINE_IID(kIPrivateDOMEventIID, NS_IPRIVATEDOMEVENT_IID);
static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
static char* mEventNames[] = {
"mousedown", "mouseup", "click", "dblclick", "mouseover",
@ -238,17 +241,87 @@ NS_METHOD nsDOMEvent::GetScreenY(PRInt32* aScreenY)
NS_METHOD nsDOMEvent::GetClientX(PRInt32* aClientX)
{
float t2p;
mPresContext->GetTwipsToPixels(&t2p);
*aClientX = NSTwipsToIntPixels(mEvent->point.x, t2p);
//My god, man, there *must* be a better way to do this.
nsIPresShell* shell;
nsIWidget* rootWidget = nsnull;
mPresContext->GetShell(&shell);
if (shell) {
nsIViewManager* vm;
shell->GetViewManager(&vm);
if (vm) {
nsIView* rootView = nsnull;
vm->GetRootView(rootView);
if (rootView) {
rootView->GetWidget(rootWidget);
}
NS_RELEASE(vm);
}
NS_RELEASE(shell);
}
nsRect bounds, offset;
offset.x = 0;
nsIWidget* parent = ((nsGUIEvent*)mEvent)->widget;
//Add extra ref since loop will free one.
NS_ADDREF(parent);
nsIWidget* tmp;
while (rootWidget != parent) {
parent->GetBounds(bounds);
offset.x += bounds.x;
tmp = parent;
parent = tmp->GetParent();
NS_RELEASE(tmp);
}
NS_IF_RELEASE(parent);
NS_IF_RELEASE(rootWidget);
*aClientX = mEvent->refPoint.x + offset.x;
return NS_OK;
}
NS_METHOD nsDOMEvent::GetClientY(PRInt32* aClientY)
{
float t2p;
mPresContext->GetTwipsToPixels(&t2p);
*aClientY = NSTwipsToIntPixels(mEvent->point.y, t2p);
//My god, man, there *must* be a better way to do this.
nsIPresShell* shell;
nsIWidget* rootWidget = nsnull;
mPresContext->GetShell(&shell);
if (shell) {
nsIViewManager* vm;
shell->GetViewManager(&vm);
if (vm) {
nsIView* rootView = nsnull;
vm->GetRootView(rootView);
if (rootView) {
rootView->GetWidget(rootWidget);
}
NS_RELEASE(vm);
}
NS_RELEASE(shell);
}
nsRect bounds, offset;
offset.y = 0;
nsIWidget* parent = ((nsGUIEvent*)mEvent)->widget;
//Add extra ref since loop will free one.
NS_ADDREF(parent);
nsIWidget* tmp;
while (rootWidget != parent) {
parent->GetBounds(bounds);
offset.y += bounds.y;
tmp = parent;
parent = tmp->GetParent();
NS_RELEASE(tmp);
}
NS_IF_RELEASE(parent);
NS_IF_RELEASE(rootWidget);
*aClientY = mEvent->refPoint.y + offset.y;
return NS_OK;
}
@ -337,12 +410,18 @@ NS_METHOD nsDOMEvent::GetButton(PRUint32* aButton)
// nsINSEventInterface
NS_METHOD nsDOMEvent::GetLayerX(PRInt32* aLayerX)
{
return GetClientX(aLayerX);
float t2p;
mPresContext->GetTwipsToPixels(&t2p);
*aLayerX = NSTwipsToIntPixels(mEvent->point.x, t2p);
return NS_OK;
}
NS_METHOD nsDOMEvent::GetLayerY(PRInt32* aLayerY)
{
return GetClientY(aLayerY);
float t2p;
mPresContext->GetTwipsToPixels(&t2p);
*aLayerY = NSTwipsToIntPixels(mEvent->point.y, t2p);
return NS_OK;
}
NS_METHOD nsDOMEvent::GetPageX(PRInt32* aPageX)
@ -378,7 +457,6 @@ NS_METHOD nsDOMEvent::GetRangeParent(nsIDOMNode** aRangeParent)
if (targetFrame) {
nsIContent* parent = nsnull;
PRUint32 actualOffset;
PRInt32 offset, endOffset;
if (NS_SUCCEEDED(targetFrame->GetPosition(*mPresContext,
@ -408,7 +486,6 @@ NS_METHOD nsDOMEvent::GetRangeOffset(PRInt32* aRangeOffset)
if (targetFrame) {
nsIContent* parent = nsnull;
PRUint32 actualOffset;
PRInt32 endOffset;
if (NS_SUCCEEDED(targetFrame->GetPosition(*mPresContext,
@ -416,7 +493,6 @@ NS_METHOD nsDOMEvent::GetRangeOffset(PRInt32* aRangeOffset)
&parent,
*aRangeOffset,
endOffset))) {
*aRangeOffset += actualOffset;
NS_IF_RELEASE(parent);
return NS_OK;
}