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Adding scrolling fixes to fix bug #3999, A: chofmann

This commit is contained in:
joki%netscape.com 1999-04-30 19:38:39 +00:00
Родитель fc6b041d08
Коммит 91c2b2ba1f
12 изменённых файлов: 110 добавлений и 138 удалений
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4
content/events/public/nsIEventStateManager.h
Просмотреть файл

@ -27,6 +27,7 @@ class nsIContent;
class nsIPresContext;
class nsIDOMEvent;
class nsIFrame;
class nsIView;
/*
* Event listener manager interface.
@ -48,7 +49,8 @@ public:
NS_IMETHOD PostHandleEvent(nsIPresContext& aPresContext,
nsGUIEvent *aEvent,
nsIFrame* aTargetFrame,
nsEventStatus& aStatus) = 0;
nsEventStatus& aStatus,
nsIView* aView) = 0;
NS_IMETHOD SetPresContext(nsIPresContext* aPresContext) = 0;
NS_IMETHOD ClearFrameRefs(nsIFrame* aFrame) = 0;

39
content/events/src/nsEventStateManager.cpp
Просмотреть файл

@ -37,6 +37,7 @@
#include "nsINameSpaceManager.h" // for kNameSpaceID_HTML
#include "nsIWebShell.h"
#include "nsIFocusableContent.h"
#include "nsIScrollableView.h"
static NS_DEFINE_IID(kIEventStateManagerIID, NS_IEVENTSTATEMANAGER_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
@ -49,6 +50,7 @@ static NS_DEFINE_IID(kIDOMHTMLObjectElementIID, NS_IDOMHTMLOBJECTELEMENT_IID);
static NS_DEFINE_IID(kIDOMHTMLButtonElementIID, NS_IDOMHTMLBUTTONELEMENT_IID);
static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
static NS_DEFINE_IID(kIFocusableContentIID, NS_IFOCUSABLECONTENT_IID);
static NS_DEFINE_IID(kIScrollableViewIID, NS_ISCROLLABLEVIEW_IID);
nsEventStateManager::nsEventStateManager() {
mLastMouseOverFrame = nsnull;
@ -114,7 +116,8 @@ NS_IMETHODIMP
nsEventStateManager::PostHandleEvent(nsIPresContext& aPresContext,
nsGUIEvent *aEvent,
nsIFrame* aTargetFrame,
nsEventStatus& aStatus)
nsEventStatus& aStatus,
nsIView* aView)
{
mCurrentTarget = aTargetFrame;
nsresult ret = NS_OK;
@ -139,6 +142,7 @@ nsEventStateManager::PostHandleEvent(nsIPresContext& aPresContext,
if (nsnull != aEvent->widget) {
aEvent->widget->SetFocus();
}
SetContentState(nsnull, NS_EVENT_STATE_FOCUS);
}
}
@ -166,9 +170,24 @@ nsEventStateManager::PostHandleEvent(nsIPresContext& aPresContext,
break;
case NS_VK_PAGE_DOWN:
case NS_VK_PAGE_UP:
case NS_VK_SPACE:
if (!mCurrentFocus) {
nsIScrollableView* sv = GetNearestScrollingView(aView);
if (sv) {
nsKeyEvent * keyEvent = (nsKeyEvent *)aEvent;
sv->ScrollByPages((keyEvent->keyCode != NS_VK_PAGE_UP) ? 1 : -1);
}
}
break;
case NS_VK_DOWN:
case NS_VK_UP:
if (!mCurrentFocus) {
nsIScrollableView* sv = GetNearestScrollingView(aView);
if (sv) {
nsKeyEvent * keyEvent = (nsKeyEvent *)aEvent;
sv->ScrollByLines((keyEvent->keyCode == NS_VK_DOWN) ? 1 : -1);
}
}
break;
}
}
@ -196,6 +215,24 @@ nsEventStateManager::ClearFrameRefs(nsIFrame* aFrame)
return NS_OK;
}
nsIScrollableView*
nsEventStateManager::GetNearestScrollingView(nsIView* aView)
{
nsIScrollableView* sv;
if (NS_OK == aView->QueryInterface(kIScrollableViewIID, (void**)&sv)) {
return sv;
}
nsIView* parent;
aView->GetParent(parent);
if (nsnull != parent) {
return GetNearestScrollingView(parent);
}
return nsnull;
}
void
nsEventStateManager::UpdateCursor(nsIPresContext& aPresContext, nsPoint& aPoint, nsIFrame* aTargetFrame,
nsEventStatus& aStatus)

5
content/events/src/nsEventStateManager.h
Просмотреть файл

@ -22,6 +22,7 @@
#include "nsIEventStateManager.h"
#include "nsGUIEvent.h"
class nsIDocument;
class nsIScrollableView;
/*
* Event listener manager
@ -43,7 +44,8 @@ public:
NS_IMETHOD PostHandleEvent(nsIPresContext& aPresContext,
nsGUIEvent *aEvent,
nsIFrame* aTargetFrame,
nsEventStatus& aStatus);
nsEventStatus& aStatus,
nsIView* aView);
NS_IMETHOD SetPresContext(nsIPresContext* aPresContext);
NS_IMETHOD ClearFrameRefs(nsIFrame* aFrame);
@ -63,6 +65,7 @@ protected:
nsIContent* GetNextTabbableContent(nsIContent* aParent, nsIContent* aChild, nsIContent* aTop, PRBool foward);
PRInt32 GetNextTabIndex(nsIContent* aParent, PRBool foward);
NS_IMETHOD SendFocusBlur(nsIContent *aContent);
nsIScrollableView* GetNearestScrollingView(nsIView* aView);
//Any frames here must be checked for validity in ClearFrameRefs
nsIFrame* mCurrentTarget;

11
editor/base/nsEditorEventListeners.cpp
Просмотреть файл

@ -188,16 +188,23 @@ nsTextEditorKeyListener::KeyDown(nsIDOMEvent* aKeyEvent)
case nsIDOMEvent::VK_DOWN:
// these have already been handled in nsRangeList. Why are we getting them
// again here (Mac)? In switch to avoid putting in bogus chars.
//return NS_OK to allow page scrolling.
return NS_OK;
break;
case nsIDOMEvent::VK_HOME:
case nsIDOMEvent::VK_END:
case nsIDOMEvent::VK_PAGE_UP:
case nsIDOMEvent::VK_PAGE_DOWN:
// who handles these?
#if DEBUG
printf("Key not handled\n");
#endif
break;
case nsIDOMEvent::VK_PAGE_UP:
case nsIDOMEvent::VK_PAGE_DOWN:
//return NS_OK to allow page scrolling.
return NS_OK;
break;
default:

11
editor/libeditor/text/nsEditorEventListeners.cpp
Просмотреть файл

@ -188,16 +188,23 @@ nsTextEditorKeyListener::KeyDown(nsIDOMEvent* aKeyEvent)
case nsIDOMEvent::VK_DOWN:
// these have already been handled in nsRangeList. Why are we getting them
// again here (Mac)? In switch to avoid putting in bogus chars.
//return NS_OK to allow page scrolling.
return NS_OK;
break;
case nsIDOMEvent::VK_HOME:
case nsIDOMEvent::VK_END:
case nsIDOMEvent::VK_PAGE_UP:
case nsIDOMEvent::VK_PAGE_DOWN:
// who handles these?
#if DEBUG
printf("Key not handled\n");
#endif
break;
case nsIDOMEvent::VK_PAGE_UP:
case nsIDOMEvent::VK_PAGE_DOWN:
//return NS_OK to allow page scrolling.
return NS_OK;
break;
default:

2
layout/base/nsPresShell.cpp
Просмотреть файл

@ -2005,7 +2005,7 @@ PresShell::HandleEvent(nsIView *aView,
//4. Give event to event manager for post event state changes and generation of synthetic events.
if (nsnull != mCurrentEventFrame && NS_OK == rv) {
rv = manager->PostHandleEvent(*mPresContext, aEvent, mCurrentEventFrame, aEventStatus);
rv = manager->PostHandleEvent(*mPresContext, aEvent, mCurrentEventFrame, aEventStatus, aView);
}
}
}

4
layout/events/public/nsIEventStateManager.h
Просмотреть файл

@ -27,6 +27,7 @@ class nsIContent;
class nsIPresContext;
class nsIDOMEvent;
class nsIFrame;
class nsIView;
/*
* Event listener manager interface.
@ -48,7 +49,8 @@ public:
NS_IMETHOD PostHandleEvent(nsIPresContext& aPresContext,
nsGUIEvent *aEvent,
nsIFrame* aTargetFrame,
nsEventStatus& aStatus) = 0;
nsEventStatus& aStatus,
nsIView* aView) = 0;
NS_IMETHOD SetPresContext(nsIPresContext* aPresContext) = 0;
NS_IMETHOD ClearFrameRefs(nsIFrame* aFrame) = 0;

39
layout/events/src/nsEventStateManager.cpp
Просмотреть файл

@ -37,6 +37,7 @@
#include "nsINameSpaceManager.h" // for kNameSpaceID_HTML
#include "nsIWebShell.h"
#include "nsIFocusableContent.h"
#include "nsIScrollableView.h"
static NS_DEFINE_IID(kIEventStateManagerIID, NS_IEVENTSTATEMANAGER_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
@ -49,6 +50,7 @@ static NS_DEFINE_IID(kIDOMHTMLObjectElementIID, NS_IDOMHTMLOBJECTELEMENT_IID);
static NS_DEFINE_IID(kIDOMHTMLButtonElementIID, NS_IDOMHTMLBUTTONELEMENT_IID);
static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
static NS_DEFINE_IID(kIFocusableContentIID, NS_IFOCUSABLECONTENT_IID);
static NS_DEFINE_IID(kIScrollableViewIID, NS_ISCROLLABLEVIEW_IID);
nsEventStateManager::nsEventStateManager() {
mLastMouseOverFrame = nsnull;
@ -114,7 +116,8 @@ NS_IMETHODIMP
nsEventStateManager::PostHandleEvent(nsIPresContext& aPresContext,
nsGUIEvent *aEvent,
nsIFrame* aTargetFrame,
nsEventStatus& aStatus)
nsEventStatus& aStatus,
nsIView* aView)
{
mCurrentTarget = aTargetFrame;
nsresult ret = NS_OK;
@ -139,6 +142,7 @@ nsEventStateManager::PostHandleEvent(nsIPresContext& aPresContext,
if (nsnull != aEvent->widget) {
aEvent->widget->SetFocus();
}
SetContentState(nsnull, NS_EVENT_STATE_FOCUS);
}
}
@ -166,9 +170,24 @@ nsEventStateManager::PostHandleEvent(nsIPresContext& aPresContext,
break;
case NS_VK_PAGE_DOWN:
case NS_VK_PAGE_UP:
case NS_VK_SPACE:
if (!mCurrentFocus) {
nsIScrollableView* sv = GetNearestScrollingView(aView);
if (sv) {
nsKeyEvent * keyEvent = (nsKeyEvent *)aEvent;
sv->ScrollByPages((keyEvent->keyCode != NS_VK_PAGE_UP) ? 1 : -1);
}
}
break;
case NS_VK_DOWN:
case NS_VK_UP:
if (!mCurrentFocus) {
nsIScrollableView* sv = GetNearestScrollingView(aView);
if (sv) {
nsKeyEvent * keyEvent = (nsKeyEvent *)aEvent;
sv->ScrollByLines((keyEvent->keyCode == NS_VK_DOWN) ? 1 : -1);
}
}
break;
}
}
@ -196,6 +215,24 @@ nsEventStateManager::ClearFrameRefs(nsIFrame* aFrame)
return NS_OK;
}
nsIScrollableView*
nsEventStateManager::GetNearestScrollingView(nsIView* aView)
{
nsIScrollableView* sv;
if (NS_OK == aView->QueryInterface(kIScrollableViewIID, (void**)&sv)) {
return sv;
}
nsIView* parent;
aView->GetParent(parent);
if (nsnull != parent) {
return GetNearestScrollingView(parent);
}
return nsnull;
}
void
nsEventStateManager::UpdateCursor(nsIPresContext& aPresContext, nsPoint& aPoint, nsIFrame* aTargetFrame,
nsEventStatus& aStatus)

5
layout/events/src/nsEventStateManager.h
Просмотреть файл

@ -22,6 +22,7 @@
#include "nsIEventStateManager.h"
#include "nsGUIEvent.h"
class nsIDocument;
class nsIScrollableView;
/*
* Event listener manager
@ -43,7 +44,8 @@ public:
NS_IMETHOD PostHandleEvent(nsIPresContext& aPresContext,
nsGUIEvent *aEvent,
nsIFrame* aTargetFrame,
nsEventStatus& aStatus);
nsEventStatus& aStatus,
nsIView* aView);
NS_IMETHOD SetPresContext(nsIPresContext* aPresContext);
NS_IMETHOD ClearFrameRefs(nsIFrame* aFrame);
@ -63,6 +65,7 @@ protected:
nsIContent* GetNextTabbableContent(nsIContent* aParent, nsIContent* aChild, nsIContent* aTop, PRBool foward);
PRInt32 GetNextTabIndex(nsIContent* aParent, PRBool foward);
NS_IMETHOD SendFocusBlur(nsIContent *aContent);
nsIScrollableView* GetNearestScrollingView(nsIView* aView);
//Any frames here must be checked for validity in ClearFrameRefs
nsIFrame* mCurrentTarget;

2
layout/html/base/src/nsPresShell.cpp
Просмотреть файл

@ -2005,7 +2005,7 @@ PresShell::HandleEvent(nsIView *aView,
//4. Give event to event manager for post event state changes and generation of synthetic events.
if (nsnull != mCurrentEventFrame && NS_OK == rv) {
rv = manager->PostHandleEvent(*mPresContext, aEvent, mCurrentEventFrame, aEventStatus);
rv = manager->PostHandleEvent(*mPresContext, aEvent, mCurrentEventFrame, aEventStatus, aView);
}
}
}

125
view/src/nsScrollingView.cpp
Просмотреть файл

@ -745,131 +745,6 @@ void nsScrollingView :: Notify(nsITimer * aTimer)
mScrollingTimer->Init(this, 25);
}
NS_IMETHODIMP nsScrollingView :: HandleEvent(nsGUIEvent *aEvent, PRUint32 aEventFlags,
nsEventStatus &aStatus)
{
switch (aEvent->message)
{
case NS_KEY_DOWN:
{
nsKeyEvent * keyEvent = (nsKeyEvent *)aEvent;
switch (keyEvent->keyCode)
{
case NS_VK_PAGE_DOWN:
case NS_VK_PAGE_UP:
case NS_VK_SPACE:
ScrollByPages((keyEvent->keyCode != NS_VK_PAGE_UP) ? 1 : -1);
break;
case NS_VK_DOWN:
case NS_VK_UP:
ScrollByLines((keyEvent->keyCode == NS_VK_DOWN) ? 1 : -1);
break;
default:
break;
}
}
break;
#if 0
case NS_MOUSE_MOVE:
{
nsRect brect;
nscoord lx, ly;
GetWidget(win);
GetBounds(brect);
// XXX Huh. We shouldn't just be doing this for any mouse move.
// If this is for auto-scrolling then only on mouse press and drag...
lx = aEvent->point.x - (brect.x);
ly = aEvent->point.y - (brect.y);
//nscoord xoff, yoff;
//GetScrolledView()->GetScrollOffset(&xoff, &yoff);
//printf("%d %d %d\n", trect.y, trect.height, yoff);
//printf("mouse %d %d \n", aEvent->point.x, aEvent->point.y);
if (!brect.Contains(lx, ly))
{
if (mScrollingTimer == nsnull)
{
if (nsnull != mClientData)
{
if (ly < 0 || ly > brect.y)
{
mScrollingDelta = ly < 0 ? -100 : 100;
NS_NewTimer(&mScrollingTimer);
mScrollingTimer->Init(this, 25);
}
}
}
}
else if (mScrollingTimer != nsnull)
{
mScrollingTimer->Cancel();
NS_RELEASE(mScrollingTimer);
}
break;
}
case NS_MOUSE_LEFT_BUTTON_UP:
case NS_MOUSE_MIDDLE_BUTTON_UP:
case NS_MOUSE_RIGHT_BUTTON_UP:
{
if (mScrollingTimer != nsnull)
{
mScrollingTimer->Cancel();
NS_RELEASE(mScrollingTimer);
mScrollingTimer = nsnull;
}
nsRect trect;
nscoord lx, ly;
GetBounds(trect);
//GetWidget(win);
//mViewManager->GetDeviceContext(dx);
//dx->GetDevUnitsToAppUnits(p2t);
//offX = offY = 0;
//win->ConvertToDeviceCoordinates(offX,offY);
//offX = NSIntPixelsToTwips(offX, p2t);
//offY = NSIntPixelsToTwips(offY, p2t);
lx = aEvent->point.x - (trect.x);
ly = aEvent->point.y - (trect.y);
if (!trect.Contains(lx, ly))
{
nsEventStatus retval;
if (nsnull != mClientData)
{
nsIViewObserver *obs;
if (NS_OK == mViewManager->GetViewObserver(obs))
{
obs->HandleEvent((nsIView *)this, aEvent, retval);
NS_RELEASE(obs);
}
}
}
break;
}
#endif
default:
break;
}
return nsView::HandleEvent(aEvent, aEventFlags, aStatus);
}
NS_IMETHODIMP nsScrollingView :: CreateScrollControls(nsNativeWidget aNative)
{
nsIDeviceContext *dx;

1
view/src/nsScrollingView.h
Просмотреть файл

@ -46,7 +46,6 @@ public:
// SetVisibility is overriden so that it will set it's components visibility (ClipView,
// CornerView, ScrollBarView's),as well as it's own visibility.
NS_IMETHOD SetVisibility(nsViewVisibility visibility);
NS_IMETHOD HandleEvent(nsGUIEvent *aEvent, PRUint32 aEventFlags, nsEventStatus &aStatus);
NS_IMETHOD SetWidget(nsIWidget *aWidget);
//nsIScrollableView interface