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/formfiller/FFL_TextField.h"
8
9 #include "fpdfsdk/include/formfiller/FFL_CBA_Fontmap.h"
10 #include "fpdfsdk/include/fsdk_common.h"
11 #include "fpdfsdk/include/fsdk_mgr.h"
12
CFFL_TextField(CPDFDoc_Environment * pApp,CPDFSDK_Annot * pAnnot)13 CFFL_TextField::CFFL_TextField(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pAnnot)
14 : CFFL_FormFiller(pApp, pAnnot), m_pFontMap(NULL) {
15 m_State.nStart = m_State.nEnd = 0;
16 }
17
~CFFL_TextField()18 CFFL_TextField::~CFFL_TextField() {
19 for (const auto& it : m_Maps)
20 it.second->InvalidateFocusHandler(this);
21 delete m_pFontMap;
22 }
23
GetCreateParam()24 PWL_CREATEPARAM CFFL_TextField::GetCreateParam() {
25 PWL_CREATEPARAM cp = CFFL_FormFiller::GetCreateParam();
26
27 int nFlags = m_pWidget->GetFieldFlags();
28
29 if (nFlags & FIELDFLAG_PASSWORD) {
30 cp.dwFlags |= PES_PASSWORD;
31 }
32
33 if (!(nFlags & FIELDFLAG_DONOTSPELLCHECK)) {
34 }
35
36 if (nFlags & FIELDFLAG_MULTILINE) {
37 cp.dwFlags |= PES_MULTILINE | PES_AUTORETURN | PES_TOP;
38
39 if (!(nFlags & FIELDFLAG_DONOTSCROLL)) {
40 cp.dwFlags |= PWS_VSCROLL | PES_AUTOSCROLL;
41 }
42 } else {
43 cp.dwFlags |= PES_CENTER;
44
45 if (!(nFlags & FIELDFLAG_DONOTSCROLL)) {
46 cp.dwFlags |= PES_AUTOSCROLL;
47 }
48 }
49
50 if (nFlags & FIELDFLAG_COMB) {
51 cp.dwFlags |= PES_CHARARRAY;
52 }
53
54 if (nFlags & FIELDFLAG_RICHTEXT) {
55 cp.dwFlags |= PES_RICH;
56 }
57
58 cp.dwFlags |= PES_UNDO;
59
60 switch (m_pWidget->GetAlignment()) {
61 default:
62 case BF_ALIGN_LEFT:
63 cp.dwFlags |= PES_LEFT;
64 break;
65 case BF_ALIGN_MIDDLE:
66 cp.dwFlags |= PES_MIDDLE;
67 break;
68 case BF_ALIGN_RIGHT:
69 cp.dwFlags |= PES_RIGHT;
70 break;
71 }
72
73 if (!m_pFontMap)
74 m_pFontMap = new CBA_FontMap(m_pWidget, m_pApp->GetSysHandler());
75 cp.pFontMap = m_pFontMap;
76 cp.pFocusHandler = this;
77
78 return cp;
79 }
80
NewPDFWindow(const PWL_CREATEPARAM & cp,CPDFSDK_PageView * pPageView)81 CPWL_Wnd* CFFL_TextField::NewPDFWindow(const PWL_CREATEPARAM& cp,
82 CPDFSDK_PageView* pPageView) {
83 CPWL_Edit* pWnd = new CPWL_Edit();
84 pWnd->AttachFFLData(this);
85 pWnd->Create(cp);
86
87 CFFL_IFormFiller* pIFormFiller = m_pApp->GetIFormFiller();
88 pWnd->SetFillerNotify(pIFormFiller);
89
90 int32_t nMaxLen = m_pWidget->GetMaxLen();
91 CFX_WideString swValue = m_pWidget->GetValue();
92
93 if (nMaxLen > 0) {
94 if (pWnd->HasFlag(PES_CHARARRAY)) {
95 pWnd->SetCharArray(nMaxLen);
96 pWnd->SetAlignFormatV(PEAV_CENTER);
97 } else {
98 pWnd->SetLimitChar(nMaxLen);
99 }
100 }
101
102 pWnd->SetText(swValue.c_str());
103 return pWnd;
104 }
105
OnChar(CPDFSDK_Annot * pAnnot,FX_UINT nChar,FX_UINT nFlags)106 FX_BOOL CFFL_TextField::OnChar(CPDFSDK_Annot* pAnnot,
107 FX_UINT nChar,
108 FX_UINT nFlags) {
109 switch (nChar) {
110 case FWL_VKEY_Return:
111 if (!(m_pWidget->GetFieldFlags() & FIELDFLAG_MULTILINE)) {
112 CPDFSDK_PageView* pPageView = GetCurPageView();
113 ASSERT(pPageView);
114 m_bValid = !m_bValid;
115 CPDF_Rect rcAnnot = pAnnot->GetRect();
116 m_pApp->FFI_Invalidate(pAnnot->GetUnderlyingPage(), rcAnnot.left,
117 rcAnnot.top, rcAnnot.right, rcAnnot.bottom);
118
119 if (m_bValid) {
120 if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, TRUE))
121 pWnd->SetFocus();
122 } else {
123 if (CommitData(pPageView, nFlags)) {
124 DestroyPDFWindow(pPageView);
125 return TRUE;
126 }
127 return FALSE;
128 }
129 }
130 break;
131 case FWL_VKEY_Escape: {
132 CPDFSDK_PageView* pPageView = GetCurPageView();
133 ASSERT(pPageView);
134 EscapeFiller(pPageView, TRUE);
135 return TRUE;
136 }
137 }
138
139 return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
140 }
141
IsDataChanged(CPDFSDK_PageView * pPageView)142 FX_BOOL CFFL_TextField::IsDataChanged(CPDFSDK_PageView* pPageView) {
143 if (CPWL_Edit* pEdit = (CPWL_Edit*)GetPDFWindow(pPageView, FALSE))
144 return pEdit->GetText() != m_pWidget->GetValue();
145
146 return FALSE;
147 }
148
SaveData(CPDFSDK_PageView * pPageView)149 void CFFL_TextField::SaveData(CPDFSDK_PageView* pPageView) {
150 if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, FALSE)) {
151 CFX_WideString sOldValue = m_pWidget->GetValue();
152 CFX_WideString sNewValue = pWnd->GetText();
153
154 m_pWidget->SetValue(sNewValue, FALSE);
155 m_pWidget->ResetFieldAppearance(TRUE);
156 m_pWidget->UpdateField();
157 SetChangeMark();
158 }
159 }
160
GetActionData(CPDFSDK_PageView * pPageView,CPDF_AAction::AActionType type,PDFSDK_FieldAction & fa)161 void CFFL_TextField::GetActionData(CPDFSDK_PageView* pPageView,
162 CPDF_AAction::AActionType type,
163 PDFSDK_FieldAction& fa) {
164 switch (type) {
165 case CPDF_AAction::KeyStroke:
166 if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, FALSE)) {
167 fa.bFieldFull = pWnd->IsTextFull();
168
169 fa.sValue = pWnd->GetText();
170
171 if (fa.bFieldFull) {
172 fa.sChange = L"";
173 fa.sChangeEx = L"";
174 }
175 }
176 break;
177 case CPDF_AAction::Validate:
178 if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, FALSE)) {
179 fa.sValue = pWnd->GetText();
180 }
181 break;
182 case CPDF_AAction::LoseFocus:
183 case CPDF_AAction::GetFocus:
184 fa.sValue = m_pWidget->GetValue();
185 break;
186 default:
187 break;
188 }
189 }
190
SetActionData(CPDFSDK_PageView * pPageView,CPDF_AAction::AActionType type,const PDFSDK_FieldAction & fa)191 void CFFL_TextField::SetActionData(CPDFSDK_PageView* pPageView,
192 CPDF_AAction::AActionType type,
193 const PDFSDK_FieldAction& fa) {
194 switch (type) {
195 case CPDF_AAction::KeyStroke:
196 if (CPWL_Edit* pEdit = (CPWL_Edit*)GetPDFWindow(pPageView, FALSE)) {
197 pEdit->SetFocus();
198 pEdit->SetSel(fa.nSelStart, fa.nSelEnd);
199 pEdit->ReplaceSel(fa.sChange.c_str());
200 }
201 break;
202 default:
203 break;
204 }
205 }
206
IsActionDataChanged(CPDF_AAction::AActionType type,const PDFSDK_FieldAction & faOld,const PDFSDK_FieldAction & faNew)207 FX_BOOL CFFL_TextField::IsActionDataChanged(CPDF_AAction::AActionType type,
208 const PDFSDK_FieldAction& faOld,
209 const PDFSDK_FieldAction& faNew) {
210 switch (type) {
211 case CPDF_AAction::KeyStroke:
212 return (!faOld.bFieldFull && faOld.nSelEnd != faNew.nSelEnd) ||
213 faOld.nSelStart != faNew.nSelStart ||
214 faOld.sChange != faNew.sChange;
215 default:
216 break;
217 }
218
219 return FALSE;
220 }
221
SaveState(CPDFSDK_PageView * pPageView)222 void CFFL_TextField::SaveState(CPDFSDK_PageView* pPageView) {
223 ASSERT(pPageView);
224
225 if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, FALSE)) {
226 pWnd->GetSel(m_State.nStart, m_State.nEnd);
227 m_State.sValue = pWnd->GetText();
228 }
229 }
230
RestoreState(CPDFSDK_PageView * pPageView)231 void CFFL_TextField::RestoreState(CPDFSDK_PageView* pPageView) {
232 ASSERT(pPageView);
233
234 if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, TRUE)) {
235 pWnd->SetText(m_State.sValue.c_str());
236 pWnd->SetSel(m_State.nStart, m_State.nEnd);
237 }
238 }
239
ResetPDFWindow(CPDFSDK_PageView * pPageView,FX_BOOL bRestoreValue)240 CPWL_Wnd* CFFL_TextField::ResetPDFWindow(CPDFSDK_PageView* pPageView,
241 FX_BOOL bRestoreValue) {
242 if (bRestoreValue)
243 SaveState(pPageView);
244
245 DestroyPDFWindow(pPageView);
246
247 CPWL_Wnd* pRet = NULL;
248
249 if (bRestoreValue) {
250 RestoreState(pPageView);
251 pRet = GetPDFWindow(pPageView, FALSE);
252 } else {
253 pRet = GetPDFWindow(pPageView, TRUE);
254 }
255
256 m_pWidget->UpdateField();
257
258 return pRet;
259 }
260
261 #ifdef PDF_ENABLE_XFA
IsFieldFull(CPDFSDK_PageView * pPageView)262 FX_BOOL CFFL_TextField::IsFieldFull(CPDFSDK_PageView* pPageView) {
263 if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, FALSE)) {
264 return pWnd->IsTextFull();
265 }
266
267 return FALSE;
268 }
269 #endif // PDF_ENABLE_XFA
270
OnSetFocus(CPWL_Wnd * pWnd)271 void CFFL_TextField::OnSetFocus(CPWL_Wnd* pWnd) {
272 ASSERT(m_pApp);
273 if (pWnd->GetClassName() == PWL_CLASSNAME_EDIT) {
274 CPWL_Edit* pEdit = (CPWL_Edit*)pWnd;
275 pEdit->SetCharSet(134);
276 pEdit->SetCodePage(936);
277
278 pEdit->SetReadyToInput();
279 CFX_WideString wsText = pEdit->GetText();
280 int nCharacters = wsText.GetLength();
281 CFX_ByteString bsUTFText = wsText.UTF16LE_Encode();
282 unsigned short* pBuffer = (unsigned short*)bsUTFText.c_str();
283 m_pApp->FFI_OnSetFieldInputFocus(m_pWidget->GetFormField(), pBuffer,
284 nCharacters, TRUE);
285
286 pEdit->SetEditNotify(this);
287 }
288 }
289
OnKillFocus(CPWL_Wnd * pWnd)290 void CFFL_TextField::OnKillFocus(CPWL_Wnd* pWnd) {}
291
OnAddUndo(CPWL_Edit * pEdit)292 void CFFL_TextField::OnAddUndo(CPWL_Edit* pEdit) {}
293