mozilla
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gecko-dev
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Added new method to tell the listcontrolframe it is about to be rolled up by the combobox 

this enables it to unset any temporary selections and restore the actual selection
This commit is contained in:
rods%netscape.com 1999-10-01 14:30:33 +00:00
Родитель 3d3b8bda38
Коммит e6b0939762
8 изменённых файлов: 110 добавлений и 36 удалений
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7
layout/forms/nsComboboxControlFrame.cpp
Просмотреть файл

@ -551,7 +551,7 @@ nsComboboxControlFrame::PositionDropdown(nsIPresContext& aPresContext,
//if (currentRect != dropdownRect) {
dropdownFrame->SetRect(dropdownRect);
#ifdef DEBUG_rods
#ifdef DEBUG_rodsXXX
printf("%d Position Dropdown at: %d %d %d %d\n", counter++, dropdownRect.x, dropdownRect.y, dropdownRect.width, dropdownRect.height);
#endif
//}
@ -645,7 +645,7 @@ nsComboboxControlFrame::Reflow(nsIPresContext& aPresContext,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
#ifdef DEBUG_rods
#ifdef DEBUG_rodsXXX
printf("nsComboboxControlFrame::Reflow %d Reason: ", myCounter++);
switch (aReflowState.reason) {
case eReflowReason_Initial:printf("eReflowReason_Initial\n");break;
@ -1079,11 +1079,13 @@ nsComboboxControlFrame::SelectionChanged(PRBool aDoDispatchEvent)
// Now have the frame handle the event
nsIFrame* frame = nsnull;
nsIFrame* dropdownFrame = GetDropdownFrame();
if (nsnull != dropdownFrame) {
nsresult result = dropdownFrame->QueryInterface(kIFrameIID, (void**)&frame);
if ((NS_SUCCEEDED(result)) && (nsnull != frame)) {
frame->HandleEvent(*mPresContext, &event, status);
}
}
}
return NS_OK;
}
@ -1346,6 +1348,7 @@ NS_IMETHODIMP
nsComboboxControlFrame::Rollup()
{
if (mDroppedDown) {
mListControlFrame->AboutToRollup();
ShowDropDown(PR_FALSE);
mListControlFrame->CaptureMouseEvents(PR_FALSE);
}

5
layout/forms/nsIListControlFrame.h
Просмотреть файл

@ -86,6 +86,11 @@ public:
*/
NS_IMETHOD AboutToDropDown() = 0;
/**
*
*/
NS_IMETHOD AboutToRollup() = 0;
};
#endif

51
layout/forms/nsListControlFrame.cpp
Просмотреть файл

@ -171,7 +171,7 @@ nsListControlFrame::Reflow(nsIPresContext& aPresContext,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
#ifdef DEBUG_rods
#ifdef DEBUG_rodsXXX
printf("nsListControlFrame::Reflow Reason: ");
switch (aReflowState.reason) {
case eReflowReason_Initial:printf("eReflowReason_Initial\n");break;
@ -1838,6 +1838,16 @@ nsListControlFrame::AboutToDropDown()
return NS_OK;
}
//---------------------------------------------------------
// We are about to be rolledup from the outside (ComboboxFrame)
// this is a "cancelled" action not a selected action
NS_IMETHODIMP
nsListControlFrame::AboutToRollup()
{
ResetSelectedItem();
return NS_OK;
}
//---------------------------------------------------------
nsresult
nsListControlFrame::GetScrollingParentView(nsIFrame* aParent, nsIView** aParentView)
@ -1941,6 +1951,14 @@ nsListControlFrame::IsTargetOptionDisabled(PRBool &aIsDisabled)
return rv;
}
//----------------------------------------------------------------------
// This is used to reset the the list and it's selection because the
// selection was cancelled and the list rolled up.
void nsListControlFrame::ResetSelectedItem()
{
ToggleSelected(mSelectedIndexWhenPoppedDown);
}
//----------------------------------------------------------------------
// nsIDOMMouseListener
//----------------------------------------------------------------------
@ -1958,7 +1976,7 @@ nsListControlFrame::MouseUp(nsIDOMEvent* aMouseEvent)
if (NS_OK == IsTargetOptionDisabled(optionIsDisabled)) {
if (optionIsDisabled) {
if (IsInDropDownMode() == PR_TRUE && mComboboxFrame) {
mSelectedIndex = mSelectedIndexWhenPoppedDown;
ResetSelectedItem();
mComboboxFrame->ListWasSelected(mPresContext);
}
return NS_OK;
@ -2003,7 +2021,7 @@ nsListControlFrame::GetIndexFromDOMEvent(nsIDOMEvent* aMouseEvent,
if (NS_OK == mPresContext->GetEventStateManager(&stateManager)) {
nsIContent * content;
stateManager->GetEventTargetContent(&content);
#ifdef DEBUG_rods
#ifdef DEBUG_rodsXXX
///////////////////
{
nsCOMPtr<nsIDOMHTMLOptionElement> optElem;
@ -2043,7 +2061,7 @@ nsListControlFrame::MouseDown(nsIDOMEvent* aMouseEvent)
if (NS_OK == IsTargetOptionDisabled(optionIsDisabled)) {
if (optionIsDisabled) {
if (IsInDropDownMode() == PR_TRUE) {
mSelectedIndex = mSelectedIndexWhenPoppedDown;
ResetSelectedItem();
}
return NS_OK;
}
@ -2175,7 +2193,7 @@ nsListControlFrame::KeyDown(nsIDOMEvent* aKeyEvent)
nsCOMPtr<nsIDOMUIEvent> uiEvent = do_QueryInterface(aKeyEvent);
if (uiEvent) {
PRUint32 code;
uiEvent->GetCharCode(&code);
//uiEvent->GetCharCode(&code);
//printf("%c %d ", code, code);
uiEvent->GetKeyCode(&code);
//printf("%c %d\n", code, code);
@ -2218,25 +2236,28 @@ nsListControlFrame::KeyDown(nsIDOMEvent* aKeyEvent)
}
} if (code == nsIDOMUIEvent::DOM_VK_ESCAPE) {
if (IsInDropDownMode() == PR_TRUE && mComboboxFrame) {
mSelectedIndex = mSelectedIndexWhenPoppedDown;
ResetSelectedItem();
mComboboxFrame->ListWasSelected(mPresContext);
}
} else {
// Not I18N compliant
PRInt32 selectedIndex = (mSelectedIndex == kNothingSelected ? 0 : mSelectedIndex+1);
PRInt32 inx;
for (inx = selectedIndex;inx<(PRInt32)numOptions;inx++) {
nsIDOMHTMLOptionElement* optionElement = GetOption(*options, inx);
PRInt32 startedAtIndex = selectedIndex;
PRBool loopedAround = PR_FALSE;
if (selectedIndex == (PRInt32)numOptions) {
selectedIndex = 0;
}
while ((selectedIndex < startedAtIndex && loopedAround) || !loopedAround) {
nsIDOMHTMLOptionElement* optionElement = GetOption(*options, selectedIndex);
if (nsnull != optionElement) {
nsAutoString text;
if (NS_CONTENT_ATTR_HAS_VALUE == optionElement->GetText(text)) {
//printf("%d == %d\n", text.CharAt(0), code);
char * buf = text.ToNewCString();
//printf("[%s] ", buf);
char c = buf[0];
delete [] buf;
if (c == (char)code) {
mOldSelectedIndex = mSelectedIndex;
mSelectedIndex = inx;
mSelectedIndex = selectedIndex;
SingleSelection();
if (nsnull != mComboboxFrame) {
mComboboxFrame->UpdateSelection(PR_FALSE, PR_TRUE, mSelectedIndex); // don't dispatch event
@ -2246,7 +2267,13 @@ nsListControlFrame::KeyDown(nsIDOMEvent* aKeyEvent)
}
NS_RELEASE(optionElement);
}
selectedIndex++;
if (selectedIndex == (PRInt32)numOptions) {
selectedIndex = 0;
loopedAround = PR_TRUE;
}
} // while
}
}
NS_RELEASE(options);

2
layout/forms/nsListControlFrame.h
Просмотреть файл

@ -118,6 +118,7 @@ public:
NS_IMETHOD GetNumberOfOptions(PRInt32* aNumOptions);
NS_IMETHOD SyncViewWithFrame();
NS_IMETHOD AboutToDropDown();
NS_IMETHOD AboutToRollup();
// nsISelectControlFrame
NS_IMETHOD AddOption(PRInt32 index);
@ -198,6 +199,7 @@ protected:
void ToggleSelected(PRInt32 aIndex);
void ClearSelection();
void ExtendedSelection(PRInt32 aStartIndex, PRInt32 aEndIndex, PRBool aDoInvert, PRBool aSetValue);
void ResetSelectedItem();
PRBool HasSameContent(nsIFrame* aFrame1, nsIFrame* aFrame2);
void HandleListSelection(nsIDOMEvent * aDOMEvent);

5
layout/html/forms/public/nsIListControlFrame.h
Просмотреть файл

@ -86,6 +86,11 @@ public:
*/
NS_IMETHOD AboutToDropDown() = 0;
/**
*
*/
NS_IMETHOD AboutToRollup() = 0;
};
#endif

7
layout/html/forms/src/nsComboboxControlFrame.cpp
Просмотреть файл

@ -551,7 +551,7 @@ nsComboboxControlFrame::PositionDropdown(nsIPresContext& aPresContext,
//if (currentRect != dropdownRect) {
dropdownFrame->SetRect(dropdownRect);
#ifdef DEBUG_rods
#ifdef DEBUG_rodsXXX
printf("%d Position Dropdown at: %d %d %d %d\n", counter++, dropdownRect.x, dropdownRect.y, dropdownRect.width, dropdownRect.height);
#endif
//}
@ -645,7 +645,7 @@ nsComboboxControlFrame::Reflow(nsIPresContext& aPresContext,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
#ifdef DEBUG_rods
#ifdef DEBUG_rodsXXX
printf("nsComboboxControlFrame::Reflow %d Reason: ", myCounter++);
switch (aReflowState.reason) {
case eReflowReason_Initial:printf("eReflowReason_Initial\n");break;
@ -1079,11 +1079,13 @@ nsComboboxControlFrame::SelectionChanged(PRBool aDoDispatchEvent)
// Now have the frame handle the event
nsIFrame* frame = nsnull;
nsIFrame* dropdownFrame = GetDropdownFrame();
if (nsnull != dropdownFrame) {
nsresult result = dropdownFrame->QueryInterface(kIFrameIID, (void**)&frame);
if ((NS_SUCCEEDED(result)) && (nsnull != frame)) {
frame->HandleEvent(*mPresContext, &event, status);
}
}
}
return NS_OK;
}
@ -1346,6 +1348,7 @@ NS_IMETHODIMP
nsComboboxControlFrame::Rollup()
{
if (mDroppedDown) {
mListControlFrame->AboutToRollup();
ShowDropDown(PR_FALSE);
mListControlFrame->CaptureMouseEvents(PR_FALSE);
}

51
layout/html/forms/src/nsListControlFrame.cpp
Просмотреть файл

@ -171,7 +171,7 @@ nsListControlFrame::Reflow(nsIPresContext& aPresContext,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
#ifdef DEBUG_rods
#ifdef DEBUG_rodsXXX
printf("nsListControlFrame::Reflow Reason: ");
switch (aReflowState.reason) {
case eReflowReason_Initial:printf("eReflowReason_Initial\n");break;
@ -1838,6 +1838,16 @@ nsListControlFrame::AboutToDropDown()
return NS_OK;
}
//---------------------------------------------------------
// We are about to be rolledup from the outside (ComboboxFrame)
// this is a "cancelled" action not a selected action
NS_IMETHODIMP
nsListControlFrame::AboutToRollup()
{
ResetSelectedItem();
return NS_OK;
}
//---------------------------------------------------------
nsresult
nsListControlFrame::GetScrollingParentView(nsIFrame* aParent, nsIView** aParentView)
@ -1941,6 +1951,14 @@ nsListControlFrame::IsTargetOptionDisabled(PRBool &aIsDisabled)
return rv;
}
//----------------------------------------------------------------------
// This is used to reset the the list and it's selection because the
// selection was cancelled and the list rolled up.
void nsListControlFrame::ResetSelectedItem()
{
ToggleSelected(mSelectedIndexWhenPoppedDown);
}
//----------------------------------------------------------------------
// nsIDOMMouseListener
//----------------------------------------------------------------------
@ -1958,7 +1976,7 @@ nsListControlFrame::MouseUp(nsIDOMEvent* aMouseEvent)
if (NS_OK == IsTargetOptionDisabled(optionIsDisabled)) {
if (optionIsDisabled) {
if (IsInDropDownMode() == PR_TRUE && mComboboxFrame) {
mSelectedIndex = mSelectedIndexWhenPoppedDown;
ResetSelectedItem();
mComboboxFrame->ListWasSelected(mPresContext);
}
return NS_OK;
@ -2003,7 +2021,7 @@ nsListControlFrame::GetIndexFromDOMEvent(nsIDOMEvent* aMouseEvent,
if (NS_OK == mPresContext->GetEventStateManager(&stateManager)) {
nsIContent * content;
stateManager->GetEventTargetContent(&content);
#ifdef DEBUG_rods
#ifdef DEBUG_rodsXXX
///////////////////
{
nsCOMPtr<nsIDOMHTMLOptionElement> optElem;
@ -2043,7 +2061,7 @@ nsListControlFrame::MouseDown(nsIDOMEvent* aMouseEvent)
if (NS_OK == IsTargetOptionDisabled(optionIsDisabled)) {
if (optionIsDisabled) {
if (IsInDropDownMode() == PR_TRUE) {
mSelectedIndex = mSelectedIndexWhenPoppedDown;
ResetSelectedItem();
}
return NS_OK;
}
@ -2175,7 +2193,7 @@ nsListControlFrame::KeyDown(nsIDOMEvent* aKeyEvent)
nsCOMPtr<nsIDOMUIEvent> uiEvent = do_QueryInterface(aKeyEvent);
if (uiEvent) {
PRUint32 code;
uiEvent->GetCharCode(&code);
//uiEvent->GetCharCode(&code);
//printf("%c %d ", code, code);
uiEvent->GetKeyCode(&code);
//printf("%c %d\n", code, code);
@ -2218,25 +2236,28 @@ nsListControlFrame::KeyDown(nsIDOMEvent* aKeyEvent)
}
} if (code == nsIDOMUIEvent::DOM_VK_ESCAPE) {
if (IsInDropDownMode() == PR_TRUE && mComboboxFrame) {
mSelectedIndex = mSelectedIndexWhenPoppedDown;
ResetSelectedItem();
mComboboxFrame->ListWasSelected(mPresContext);
}
} else {
// Not I18N compliant
PRInt32 selectedIndex = (mSelectedIndex == kNothingSelected ? 0 : mSelectedIndex+1);
PRInt32 inx;
for (inx = selectedIndex;inx<(PRInt32)numOptions;inx++) {
nsIDOMHTMLOptionElement* optionElement = GetOption(*options, inx);
PRInt32 startedAtIndex = selectedIndex;
PRBool loopedAround = PR_FALSE;
if (selectedIndex == (PRInt32)numOptions) {
selectedIndex = 0;
}
while ((selectedIndex < startedAtIndex && loopedAround) || !loopedAround) {
nsIDOMHTMLOptionElement* optionElement = GetOption(*options, selectedIndex);
if (nsnull != optionElement) {
nsAutoString text;
if (NS_CONTENT_ATTR_HAS_VALUE == optionElement->GetText(text)) {
//printf("%d == %d\n", text.CharAt(0), code);
char * buf = text.ToNewCString();
//printf("[%s] ", buf);
char c = buf[0];
delete [] buf;
if (c == (char)code) {
mOldSelectedIndex = mSelectedIndex;
mSelectedIndex = inx;
mSelectedIndex = selectedIndex;
SingleSelection();
if (nsnull != mComboboxFrame) {
mComboboxFrame->UpdateSelection(PR_FALSE, PR_TRUE, mSelectedIndex); // don't dispatch event
@ -2246,7 +2267,13 @@ nsListControlFrame::KeyDown(nsIDOMEvent* aKeyEvent)
}
NS_RELEASE(optionElement);
}
selectedIndex++;
if (selectedIndex == (PRInt32)numOptions) {
selectedIndex = 0;
loopedAround = PR_TRUE;
}
} // while
}
}
NS_RELEASE(options);

2
layout/html/forms/src/nsListControlFrame.h
Просмотреть файл

@ -118,6 +118,7 @@ public:
NS_IMETHOD GetNumberOfOptions(PRInt32* aNumOptions);
NS_IMETHOD SyncViewWithFrame();
NS_IMETHOD AboutToDropDown();
NS_IMETHOD AboutToRollup();
// nsISelectControlFrame
NS_IMETHOD AddOption(PRInt32 index);
@ -198,6 +199,7 @@ protected:
void ToggleSelected(PRInt32 aIndex);
void ClearSelection();
void ExtendedSelection(PRInt32 aStartIndex, PRInt32 aEndIndex, PRBool aDoInvert, PRBool aSetValue);
void ResetSelectedItem();
PRBool HasSameContent(nsIFrame* aFrame1, nsIFrame* aFrame2);
void HandleListSelection(nsIDOMEvent * aDOMEvent);