1// Copyright 2014 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 "fpdfsdk/include/pdfwindow/PWL_Label.h"
8#include "fpdfsdk/include/pdfwindow/PWL_Utils.h"
9#include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"
10
11CPWL_Label::CPWL_Label() : m_pEdit(NULL) {
12  m_pEdit = IFX_Edit::NewEdit();
13  ASSERT(m_pEdit);
14}
15
16CPWL_Label::~CPWL_Label() {
17  IFX_Edit::DelEdit(m_pEdit);
18}
19
20CFX_ByteString CPWL_Label::GetClassName() const {
21  return "CPWL_Label";
22}
23
24void CPWL_Label::OnCreated() {
25  SetParamByFlag();
26  SetFontSize(GetCreationParam().fFontSize);
27
28  m_pEdit->SetFontMap(GetFontMap());
29  m_pEdit->Initialize();
30
31  if (HasFlag(PES_TEXTOVERFLOW)) {
32    SetClipRect(CPDF_Rect(0.0f, 0.0f, 0.0f, 0.0f));
33    m_pEdit->SetTextOverflow(TRUE);
34  }
35}
36
37void CPWL_Label::SetText(const FX_WCHAR* csText) {
38  m_pEdit->SetText(csText);
39}
40
41void CPWL_Label::RePosChildWnd() {
42  m_pEdit->SetPlateRect(GetClientRect());
43}
44
45void CPWL_Label::SetFontSize(FX_FLOAT fFontSize) {
46  m_pEdit->SetFontSize(fFontSize);
47}
48
49FX_FLOAT CPWL_Label::GetFontSize() const {
50  return m_pEdit->GetFontSize();
51}
52
53void CPWL_Label::SetParamByFlag() {
54  if (HasFlag(PES_LEFT)) {
55    m_pEdit->SetAlignmentH(0);
56  } else if (HasFlag(PES_MIDDLE)) {
57    m_pEdit->SetAlignmentH(1);
58  } else if (HasFlag(PES_RIGHT)) {
59    m_pEdit->SetAlignmentH(2);
60  } else {
61    m_pEdit->SetAlignmentH(0);
62  }
63
64  if (HasFlag(PES_TOP)) {
65    m_pEdit->SetAlignmentV(0);
66  } else if (HasFlag(PES_CENTER)) {
67    m_pEdit->SetAlignmentV(1);
68  } else if (HasFlag(PES_BOTTOM)) {
69    m_pEdit->SetAlignmentV(2);
70  } else {
71    m_pEdit->SetAlignmentV(0);
72  }
73
74  if (HasFlag(PES_PASSWORD)) {
75    m_pEdit->SetPasswordChar('*');
76  }
77
78  m_pEdit->SetMultiLine(HasFlag(PES_MULTILINE));
79  m_pEdit->SetAutoReturn(HasFlag(PES_AUTORETURN));
80  m_pEdit->SetAutoFontSize(HasFlag(PWS_AUTOFONTSIZE));
81  m_pEdit->SetAutoScroll(HasFlag(PES_AUTOSCROLL));
82}
83
84void CPWL_Label::DrawThisAppearance(CFX_RenderDevice* pDevice,
85                                    CFX_Matrix* pUser2Device) {
86  CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
87
88  GetClientRect();
89
90  CPDF_Rect rcClip;
91  CPVT_WordRange wrRange = m_pEdit->GetVisibleWordRange();
92  CPVT_WordRange* pRange = NULL;
93
94  if (!HasFlag(PES_TEXTOVERFLOW)) {
95    rcClip = GetClientRect();
96    pRange = &wrRange;
97  }
98  IFX_SystemHandler* pSysHandler = GetSystemHandler();
99  IFX_Edit::DrawEdit(
100      pDevice, pUser2Device, m_pEdit,
101      CPWL_Utils::PWLColorToFXColor(GetTextColor(), GetTransparency()),
102      CPWL_Utils::PWLColorToFXColor(GetTextStrokeColor(), GetTransparency()),
103      rcClip, CPDF_Point(0.0f, 0.0f), pRange, pSysHandler, NULL);
104}
105
106void CPWL_Label::SetHorzScale(int32_t nHorzScale) {
107  m_pEdit->SetHorzScale(nHorzScale);
108}
109
110void CPWL_Label::SetCharSpace(FX_FLOAT fCharSpace) {
111  m_pEdit->SetCharSpace(fCharSpace);
112}
113
114CPDF_Rect CPWL_Label::GetContentRect() const {
115  return m_pEdit->GetContentRect();
116}
117
118void CPWL_Label::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
119  CPWL_Wnd::GetThisAppearanceStream(sAppStream);
120
121  sAppStream << GetTextAppearanceStream(CPDF_Point(0.0f, 0.0f));
122}
123
124CFX_ByteString CPWL_Label::GetTextAppearanceStream(
125    const CPDF_Point& ptOffset) const {
126  CFX_ByteTextBuf sRet;
127  CFX_ByteString sEdit = CPWL_Utils::GetEditAppStream(m_pEdit, ptOffset);
128
129  if (sEdit.GetLength() > 0) {
130    sRet << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor()) << sEdit
131         << "ET\n";
132  }
133
134  return sRet.GetByteString();
135}
136
137CFX_WideString CPWL_Label::GetText() const {
138  return m_pEdit->GetText();
139}
140
141void CPWL_Label::SetLimitChar(int32_t nLimitChar) {
142  m_pEdit->SetLimitChar(nLimitChar);
143}
144
145int32_t CPWL_Label::GetTotalWords() {
146  if (m_pEdit)
147    return m_pEdit->GetTotalWords();
148
149  return 0;
150}
151