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-rw-r--r--fpdfsdk/pwl/cpwl_edit.cpp11
-rw-r--r--fpdfsdk/pwl/cpwl_list_box.cpp6
2 files changed, 17 insertions, 0 deletions
diff --git a/fpdfsdk/pwl/cpwl_edit.cpp b/fpdfsdk/pwl/cpwl_edit.cpp
index 0b74a1896e..662c69e369 100644
--- a/fpdfsdk/pwl/cpwl_edit.cpp
+++ b/fpdfsdk/pwl/cpwl_edit.cpp
@@ -481,11 +481,17 @@ bool CPWL_Edit::OnKeyDown(uint16_t nChar, uint32_t nFlag) {
if (nSelStart == nSelEnd)
nSelEnd = nSelStart + 1;
+ CPWL_Wnd::ObservedPtr thisObserved(this);
+
bool bRC;
bool bExit;
std::tie(bRC, bExit) = m_pFillerNotify->OnBeforeKeyStroke(
GetAttachedData(), strChange, strChangeEx, nSelStart, nSelEnd, true,
nFlag);
+
+ if (!thisObserved)
+ return false;
+
if (!bRC)
return false;
if (bExit)
@@ -558,10 +564,15 @@ bool CPWL_Edit::OnChar(uint16_t nChar, uint32_t nFlag) {
break;
}
+ CPWL_Wnd::ObservedPtr thisObserved(this);
+
WideString strChangeEx;
std::tie(bRC, bExit) = m_pFillerNotify->OnBeforeKeyStroke(
GetAttachedData(), swChange, strChangeEx, nSelStart, nSelEnd, true,
nFlag);
+
+ if (!thisObserved)
+ return false;
}
}
diff --git a/fpdfsdk/pwl/cpwl_list_box.cpp b/fpdfsdk/pwl/cpwl_list_box.cpp
index b5c629392b..c8f7be995d 100644
--- a/fpdfsdk/pwl/cpwl_list_box.cpp
+++ b/fpdfsdk/pwl/cpwl_list_box.cpp
@@ -260,6 +260,8 @@ bool CPWL_ListBox::OnNotifySelectionChanged(bool bKeyDown, uint32_t nFlag) {
if (!m_pFillerNotify)
return false;
+ CPWL_Wnd::ObservedPtr thisObserved(this);
+
WideString swChange = GetText();
WideString strChangeEx;
int nSelStart = 0;
@@ -269,6 +271,10 @@ bool CPWL_ListBox::OnNotifySelectionChanged(bool bKeyDown, uint32_t nFlag) {
std::tie(bRC, bExit) = m_pFillerNotify->OnBeforeKeyStroke(
GetAttachedData(), swChange, strChangeEx, nSelStart, nSelEnd, bKeyDown,
nFlag);
+
+ if (!thisObserved)
+ return false;
+
return bExit;
}