1 files changed, 75 insertions, 0 deletions
diff --git a/xfa/fwl/cfwl_comboedit.cpp b/xfa/fwl/cfwl_comboedit.cpp
new file mode 100644
index 0000000000..5981fd79b4
--- /dev/null
+++ b/xfa/fwl/cfwl_comboedit.cpp
@@ -0,0 +1,75 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/cfwl_comboedit.h"
+
+#include <memory>
+#include <utility>
+
+#include "xfa/fde/cfde_txtedtengine.h"
+#include "xfa/fwl/cfwl_combobox.h"
+#include "xfa/fwl/cfwl_messagemouse.h"
+
+CFWL_ComboEdit::CFWL_ComboEdit(
+    const CFWL_App* app,
+    std::unique_ptr<CFWL_WidgetProperties> properties,
+    CFWL_Widget* pOuter)
+    : CFWL_Edit(app, std::move(properties), pOuter) {
+  m_pOuter = static_cast<CFWL_ComboBox*>(pOuter);
+}
+
+void CFWL_ComboEdit::ClearSelected() {
+  ClearSelections();
+  Repaint(&GetRTClient());
+}
+
+void CFWL_ComboEdit::SetSelected() {
+  FlagFocus(true);
+  GetTxtEdtEngine()->MoveCaretPos(MC_End);
+  AddSelRange(0);
+}
+
+void CFWL_ComboEdit::FlagFocus(bool bSet) {
+  if (bSet) {
+    m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+    return;
+  }
+
+  m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+  HideCaret(nullptr);
+}
+
+void CFWL_ComboEdit::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return;
+
+  bool backDefault = true;
+  switch (pMessage->GetType()) {
+    case CFWL_Message::Type::SetFocus: {
+      m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+      backDefault = false;
+      break;
+    }
+    case CFWL_Message::Type::KillFocus: {
+      m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+      backDefault = false;
+      break;
+    }
+    case CFWL_Message::Type::Mouse: {
+      CFWL_MessageMouse* pMsg = static_cast<CFWL_MessageMouse*>(pMessage);
+      if ((pMsg->m_dwCmd == FWL_MouseCommand::LeftButtonDown) &&
+          ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0)) {
+        SetSelected();
+        m_pOuter->SetFocus(true);
+      }
+      break;
+    }
+    default:
+      break;
+  }
+  if (backDefault)
+    CFWL_Edit::OnProcessMessage(pMessage);
+}