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Bug 1066594 Restore composition string and selection after restarting composition when a part of composition string is committed r=emk

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This commit is contained in:
Masayuki Nakano 2014-09-16 22:46:39 +09:00
parent c5a482b3d8
commit 0753e13806
2 changed files with 80 additions and 20 deletions
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96
widget/windows/nsTextStore.cpp
View File

@ -2167,7 +2167,7 @@ nsTextStore::RestartComposition(ITfCompositionView* aCompositionView,
// current selection range should be preserved.
if (newStart >= mComposition.EndOffset() || newEnd <= mComposition.mStart) {
RecordCompositionEndAction();
RecordCompositionStartAction(aCompositionView, aNewRange, true);
RecordCompositionStartAction(aCompositionView, newStart, newLength, true);
return S_OK;
}
@ -2215,14 +2215,25 @@ nsTextStore::RestartComposition(ITfCompositionView* aCompositionView,
// Record compositionend action.
RecordCompositionEndAction();
// Record compositionstart action only with the new start since this method
// hasn't restored composing string yet.
RecordCompositionStartAction(aCompositionView, newStart, 0, false);
// Restore the latest text content and selection.
lockedContent.ReplaceTextWith(oldComposition.mStart,
commitString.Length(),
oldComposition.mString);
lockedContent.ReplaceSelectedTextWith(
nsDependentSubstring(oldComposition.mString,
keepComposingStartOffset - oldComposition.mStart,
keepComposingLength));
currentSelection = oldSelection;
// Record compositionstart action with the new range
RecordCompositionStartAction(aCompositionView, aNewRange, true);
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RestartComposition() succeeded, "
"mComposition={ mStart=%d, mCompositionString.Length()=%d }, "
"currentSelection={ IsDirty()=%s, StartOffset()=%d, Length()=%d }",
this, mComposition.mStart, mComposition.mString.Length(),
GetBoolName(currentSelection.IsDirty()),
currentSelection.StartOffset(), currentSelection.Length()));
return S_OK;
}
@ -2275,9 +2286,11 @@ nsTextStore::RecordCompositionUpdateAction()
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RecordCompositionUpdateAction(), "
"mComposition={ mView=0x%p, mString=\"%s\" }",
this, mComposition.mView.get(),
NS_ConvertUTF16toUTF8(mComposition.mString).get()));
"mComposition={ mView=0x%p, mStart=%d, mString=\"%s\" "
"(Length()=%d) }",
this, mComposition.mView.get(), mComposition.mStart,
NS_ConvertUTF16toUTF8(mComposition.mString).get(),
mComposition.mString.Length()));
if (!mComposition.IsComposing()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
@ -2350,9 +2363,35 @@ nsTextStore::RecordCompositionUpdateAction()
nsRefPtr<ITfRange> range;
while (S_OK == enumRanges->Next(1, getter_AddRefs(range), nullptr) && range) {
LONG start = 0, length = 0;
if (FAILED(GetRangeExtent(range, &start, &length)))
LONG rangeStart = 0, rangeLength = 0;
if (FAILED(GetRangeExtent(range, &rangeStart, &rangeLength))) {
continue;
}
// The range may include out of composition string. We should ignore
// outside of the composition string.
LONG start = std::min(std::max(rangeStart, mComposition.mStart),
mComposition.EndOffset());
LONG end = std::max(std::min(rangeStart + rangeLength,
mComposition.EndOffset()),
mComposition.mStart);
LONG length = end - start;
if (length < 0) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
("TSF: 0x%p nsTextStore::RecordCompositionUpdateAction() "
"ignores invalid range (%d-%d)",
this, rangeStart - mComposition.mStart,
rangeStart - mComposition.mStart + rangeLength));
continue;
}
if (!length) {
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RecordCompositionUpdateAction() "
"ignores a range due to outside of the composition or empty "
"(%d-%d)",
this, rangeStart - mComposition.mStart,
rangeStart - mComposition.mStart + rangeLength));
continue;
}
TextRange newRange;
newRange.mStartOffset = uint32_t(start - mComposition.mStart);
@ -3565,15 +3604,15 @@ nsTextStore::InsertEmbeddedAtSelection(DWORD dwFlags,
}
HRESULT
nsTextStore::RecordCompositionStartAction(ITfCompositionView* pComposition,
nsTextStore::RecordCompositionStartAction(ITfCompositionView* aComposition,
ITfRange* aRange,
bool aPreserveSelection)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RecordCompositionStartAction("
"pComposition=0x%p, aRange=0x%p, aPreserveSelection=%s), "
"aComposition=0x%p, aRange=0x%p, aPreserveSelection=%s), "
"mComposition.mView=0x%p",
this, pComposition, aRange, GetBoolName(aPreserveSelection),
this, aComposition, aRange, GetBoolName(aPreserveSelection),
mComposition.mView.get()));
LONG start = 0, length = 0;
@ -3585,6 +3624,23 @@ nsTextStore::RecordCompositionStartAction(ITfCompositionView* pComposition,
return hr;
}
return RecordCompositionStartAction(aComposition, start, length,
aPreserveSelection);
}
HRESULT
nsTextStore::RecordCompositionStartAction(ITfCompositionView* aComposition,
LONG aStart,
LONG aLength,
bool aPreserveSelection)
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RecordCompositionStartAction("
"aComposition=0x%p, aStart=%d, aLength=%d, aPreserveSelection=%s), "
"mComposition.mView=0x%p",
this, aComposition, aStart, aLength, GetBoolName(aPreserveSelection),
mComposition.mView.get()));
Content& lockedContent = LockedContent();
if (!lockedContent.IsInitialized()) {
PR_LOG(sTextStoreLog, PR_LOG_ERROR,
@ -3596,8 +3652,8 @@ nsTextStore::RecordCompositionStartAction(ITfCompositionView* pComposition,
CompleteLastActionIfStillIncomplete();
PendingAction* action = mPendingActions.AppendElement();
action->mType = PendingAction::COMPOSITION_START;
action->mSelectionStart = start;
action->mSelectionLength = length;
action->mSelectionStart = aStart;
action->mSelectionLength = aLength;
Selection& currentSel = CurrentSelection();
if (currentSel.IsDirty()) {
@ -3605,8 +3661,8 @@ nsTextStore::RecordCompositionStartAction(ITfCompositionView* pComposition,
("TSF: 0x%p nsTextStore::RecordCompositionStartAction() FAILED "
"due to CurrentSelection() failure", this));
action->mAdjustSelection = true;
} else if (currentSel.MinOffset() != start ||
currentSel.MaxOffset() != start + length) {
} else if (currentSel.MinOffset() != aStart ||
currentSel.MaxOffset() != aStart + aLength) {
// If new composition range is different from current selection range,
// we need to set selection before dispatching compositionstart event.
action->mAdjustSelection = true;
@ -3618,7 +3674,7 @@ nsTextStore::RecordCompositionStartAction(ITfCompositionView* pComposition,
action->mAdjustSelection = false;
}
lockedContent.StartComposition(pComposition, *action, aPreserveSelection);
lockedContent.StartComposition(aComposition, *action, aPreserveSelection);
PR_LOG(sTextStoreLog, PR_LOG_ALWAYS,
("TSF: 0x%p nsTextStore::RecordCompositionStartAction() succeeded: "
@ -3636,7 +3692,7 @@ HRESULT
nsTextStore::RecordCompositionEndAction()
{
PR_LOG(sTextStoreLog, PR_LOG_DEBUG,
("TSF: 0x%p nsTextStore::RecordCompositionEndAction(), "
("TSF: 0x%p nsTextStore::RecordCompositionEndAction(), "
"mComposition={ mView=0x%p, mString=\"%s\" }",
this, mComposition.mView.get(),
NS_ConvertUTF16toUTF8(mComposition.mString).get()));

4
widget/windows/nsTextStore.h
View File

@ -275,6 +275,10 @@ protected:
HRESULT RecordCompositionStartAction(ITfCompositionView* aCompositionView,
ITfRange* aRange,
bool aPreserveSelection);
HRESULT RecordCompositionStartAction(ITfCompositionView* aComposition,
LONG aStart,
LONG aLength,
bool aPreserveSelection);
HRESULT RecordCompositionUpdateAction();
HRESULT RecordCompositionEndAction();