1// Copyright 2016 PDFium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7#include "xfa/fwl/cfwl_comboedit.h"
8
9#include <memory>
10#include <utility>
11
12#include "xfa/fde/cfde_txtedtengine.h"
13#include "xfa/fwl/cfwl_combobox.h"
14#include "xfa/fwl/cfwl_messagemouse.h"
15
16CFWL_ComboEdit::CFWL_ComboEdit(
17    const CFWL_App* app,
18    std::unique_ptr<CFWL_WidgetProperties> properties,
19    CFWL_Widget* pOuter)
20    : CFWL_Edit(app, std::move(properties), pOuter) {
21  m_pOuter = static_cast<CFWL_ComboBox*>(pOuter);
22}
23
24void CFWL_ComboEdit::ClearSelected() {
25  ClearSelections();
26  RepaintRect(GetRTClient());
27}
28
29void CFWL_ComboEdit::SetSelected() {
30  FlagFocus(true);
31  GetTxtEdtEngine()->MoveCaretPos(MC_End);
32  AddSelRange(0);
33}
34
35void CFWL_ComboEdit::FlagFocus(bool bSet) {
36  if (bSet) {
37    m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
38    return;
39  }
40
41  m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
42  HideCaret(nullptr);
43}
44
45void CFWL_ComboEdit::OnProcessMessage(CFWL_Message* pMessage) {
46  if (!pMessage)
47    return;
48
49  bool backDefault = true;
50  switch (pMessage->GetType()) {
51    case CFWL_Message::Type::SetFocus: {
52      m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
53      backDefault = false;
54      break;
55    }
56    case CFWL_Message::Type::KillFocus: {
57      m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
58      backDefault = false;
59      break;
60    }
61    case CFWL_Message::Type::Mouse: {
62      CFWL_MessageMouse* pMsg = static_cast<CFWL_MessageMouse*>(pMessage);
63      if ((pMsg->m_dwCmd == FWL_MouseCommand::LeftButtonDown) &&
64          ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0)) {
65        SetSelected();
66        m_pOuter->SetFocus(true);
67      }
68      break;
69    }
70    default:
71      break;
72  }
73  if (backDefault)
74    CFWL_Edit::OnProcessMessage(pMessage);
75}
76