Rename PWL_FooBar files to cpwl_foo_bar.

Change-Id: I7ed0ba0acbbee291e285555974ebf50c0073668f
Reviewed-on: https://pdfium-review.googlesource.com/6250
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

1 files changed, 483 insertions, 0 deletions

diff --git a/fpdfsdk/pdfwindow/cpwl_edit_ctrl.cpp b/fpdfsdk/pdfwindow/cpwl_edit_ctrl.cpp
new file mode 100644
index 0000000000..9c22cead58
--- /dev/null
+++ b/fpdfsdk/pdfwindow/cpwl_edit_ctrl.cpp
@@ -0,0 +1,483 @@
+// Copyright 2014 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 "fpdfsdk/pdfwindow/cpwl_edit_ctrl.h"
+
+#include "core/fpdfdoc/cpvt_section.h"
+#include "core/fpdfdoc/cpvt_word.h"
+#include "core/fxge/fx_font.h"
+#include "fpdfsdk/fxedit/fxet_edit.h"
+#include "fpdfsdk/pdfwindow/cpwl_caret.h"
+#include "fpdfsdk/pdfwindow/cpwl_font_map.h"
+#include "fpdfsdk/pdfwindow/cpwl_scroll_bar.h"
+#include "fpdfsdk/pdfwindow/cpwl_utils.h"
+#include "fpdfsdk/pdfwindow/cpwl_wnd.h"
+#include "public/fpdf_fwlevent.h"
+
+CPWL_EditCtrl::CPWL_EditCtrl()
+    : m_pEdit(new CFX_Edit),
+      m_pEditCaret(nullptr),
+      m_bMouseDown(false),
+      m_nCharSet(FX_CHARSET_Default) {}
+
+CPWL_EditCtrl::~CPWL_EditCtrl() {}
+
+void CPWL_EditCtrl::OnCreate(PWL_CREATEPARAM& cp) {
+  cp.eCursorType = FXCT_VBEAM;
+}
+
+void CPWL_EditCtrl::OnCreated() {
+  SetFontSize(GetCreationParam().fFontSize);
+
+  m_pEdit->SetFontMap(GetFontMap());
+  m_pEdit->SetNotify(this);
+  m_pEdit->Initialize();
+}
+
+bool CPWL_EditCtrl::IsWndHorV() {
+  CFX_Matrix mt = GetWindowMatrix();
+  return mt.Transform(CFX_PointF(1, 1)).y == mt.Transform(CFX_PointF(0, 1)).y;
+}
+
+void CPWL_EditCtrl::SetCursor() {
+  if (IsValid()) {
+    if (CFX_SystemHandler* pSH = GetSystemHandler()) {
+      if (IsWndHorV())
+        pSH->SetCursor(FXCT_VBEAM);
+      else
+        pSH->SetCursor(FXCT_HBEAM);
+    }
+  }
+}
+
+void CPWL_EditCtrl::RePosChildWnd() {
+  m_pEdit->SetPlateRect(GetClientRect());
+}
+
+void CPWL_EditCtrl::OnNotify(CPWL_Wnd* pWnd,
+                             uint32_t msg,
+                             intptr_t wParam,
+                             intptr_t lParam) {
+  CPWL_Wnd::OnNotify(pWnd, msg, wParam, lParam);
+
+  switch (msg) {
+    case PNM_SETSCROLLINFO:
+      switch (wParam) {
+        case SBT_VSCROLL:
+          if (CPWL_Wnd* pChild = GetVScrollBar()) {
+            pChild->OnNotify(pWnd, PNM_SETSCROLLINFO, wParam, lParam);
+          }
+          break;
+      }
+      break;
+    case PNM_SETSCROLLPOS:
+      switch (wParam) {
+        case SBT_VSCROLL:
+          if (CPWL_Wnd* pChild = GetVScrollBar()) {
+            pChild->OnNotify(pWnd, PNM_SETSCROLLPOS, wParam, lParam);
+          }
+          break;
+      }
+      break;
+    case PNM_SCROLLWINDOW: {
+      float fPos = *(float*)lParam;
+      switch (wParam) {
+        case SBT_VSCROLL:
+          m_pEdit->SetScrollPos(CFX_PointF(m_pEdit->GetScrollPos().x, fPos));
+          break;
+      }
+    } break;
+    case PNM_SETCARETINFO: {
+      if (PWL_CARET_INFO* pCaretInfo = (PWL_CARET_INFO*)wParam) {
+        SetCaret(pCaretInfo->bVisible, pCaretInfo->ptHead, pCaretInfo->ptFoot);
+      }
+    } break;
+  }
+}
+
+void CPWL_EditCtrl::CreateChildWnd(const PWL_CREATEPARAM& cp) {
+  if (!IsReadOnly())
+    CreateEditCaret(cp);
+}
+
+void CPWL_EditCtrl::CreateEditCaret(const PWL_CREATEPARAM& cp) {
+  if (m_pEditCaret)
+    return;
+
+  m_pEditCaret = new CPWL_Caret;
+  m_pEditCaret->SetInvalidRect(GetClientRect());
+
+  PWL_CREATEPARAM ecp = cp;
+  ecp.pParentWnd = this;
+  ecp.dwFlags = PWS_CHILD | PWS_NOREFRESHCLIP;
+  ecp.dwBorderWidth = 0;
+  ecp.nBorderStyle = BorderStyle::SOLID;
+  ecp.rcRectWnd = CFX_FloatRect(0, 0, 0, 0);
+
+  m_pEditCaret->Create(ecp);
+}
+
+void CPWL_EditCtrl::SetFontSize(float fFontSize) {
+  m_pEdit->SetFontSize(fFontSize);
+}
+
+float CPWL_EditCtrl::GetFontSize() const {
+  return m_pEdit->GetFontSize();
+}
+
+bool CPWL_EditCtrl::OnKeyDown(uint16_t nChar, uint32_t nFlag) {
+  if (m_bMouseDown)
+    return true;
+
+  bool bRet = CPWL_Wnd::OnKeyDown(nChar, nFlag);
+
+  // FILTER
+  switch (nChar) {
+    default:
+      return false;
+    case FWL_VKEY_Delete:
+    case FWL_VKEY_Up:
+    case FWL_VKEY_Down:
+    case FWL_VKEY_Left:
+    case FWL_VKEY_Right:
+    case FWL_VKEY_Home:
+    case FWL_VKEY_End:
+    case FWL_VKEY_Insert:
+    case 'C':
+    case 'V':
+    case 'X':
+    case 'A':
+    case 'Z':
+    case 'c':
+    case 'v':
+    case 'x':
+    case 'a':
+    case 'z':
+      break;
+  }
+
+  if (nChar == FWL_VKEY_Delete && m_pEdit->IsSelected())
+    nChar = FWL_VKEY_Unknown;
+
+  switch (nChar) {
+    case FWL_VKEY_Delete:
+      Delete();
+      return true;
+    case FWL_VKEY_Insert:
+      if (IsSHIFTpressed(nFlag))
+        PasteText();
+      return true;
+    case FWL_VKEY_Up:
+      m_pEdit->OnVK_UP(IsSHIFTpressed(nFlag), false);
+      return true;
+    case FWL_VKEY_Down:
+      m_pEdit->OnVK_DOWN(IsSHIFTpressed(nFlag), false);
+      return true;
+    case FWL_VKEY_Left:
+      m_pEdit->OnVK_LEFT(IsSHIFTpressed(nFlag), false);
+      return true;
+    case FWL_VKEY_Right:
+      m_pEdit->OnVK_RIGHT(IsSHIFTpressed(nFlag), false);
+      return true;
+    case FWL_VKEY_Home:
+      m_pEdit->OnVK_HOME(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+      return true;
+    case FWL_VKEY_End:
+      m_pEdit->OnVK_END(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+      return true;
+    case FWL_VKEY_Unknown:
+      if (!IsSHIFTpressed(nFlag))
+        Clear();
+      else
+        CutText();
+      return true;
+    default:
+      break;
+  }
+
+  return bRet;
+}
+
+bool CPWL_EditCtrl::OnChar(uint16_t nChar, uint32_t nFlag) {
+  if (m_bMouseDown)
+    return true;
+
+  CPWL_Wnd::OnChar(nChar, nFlag);
+
+  // FILTER
+  switch (nChar) {
+    case 0x0A:
+    case 0x1B:
+      return false;
+    default:
+      break;
+  }
+
+  bool bCtrl = IsCTRLpressed(nFlag);
+  bool bAlt = IsALTpressed(nFlag);
+  bool bShift = IsSHIFTpressed(nFlag);
+
+  uint16_t word = nChar;
+
+  if (bCtrl && !bAlt) {
+    switch (nChar) {
+      case 'C' - 'A' + 1:
+        CopyText();
+        return true;
+      case 'V' - 'A' + 1:
+        PasteText();
+        return true;
+      case 'X' - 'A' + 1:
+        CutText();
+        return true;
+      case 'A' - 'A' + 1:
+        SelectAll();
+        return true;
+      case 'Z' - 'A' + 1:
+        if (bShift)
+          Redo();
+        else
+          Undo();
+        return true;
+      default:
+        if (nChar < 32)
+          return false;
+    }
+  }
+
+  if (IsReadOnly())
+    return true;
+
+  if (m_pEdit->IsSelected() && word == FWL_VKEY_Back)
+    word = FWL_VKEY_Unknown;
+
+  Clear();
+
+  switch (word) {
+    case FWL_VKEY_Back:
+      Backspace();
+      break;
+    case FWL_VKEY_Return:
+      InsertReturn();
+      break;
+    case FWL_VKEY_Unknown:
+      break;
+    default:
+      InsertWord(word, GetCharSet());
+      break;
+  }
+
+  return true;
+}
+
+bool CPWL_EditCtrl::OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) {
+  CPWL_Wnd::OnLButtonDown(point, nFlag);
+
+  if (ClientHitTest(point)) {
+    if (m_bMouseDown)
+      InvalidateRect();
+
+    m_bMouseDown = true;
+    SetCapture();
+
+    m_pEdit->OnMouseDown(point, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+  }
+
+  return true;
+}
+
+bool CPWL_EditCtrl::OnLButtonUp(const CFX_PointF& point, uint32_t nFlag) {
+  CPWL_Wnd::OnLButtonUp(point, nFlag);
+
+  if (m_bMouseDown) {
+    // can receive keybord message
+    if (ClientHitTest(point) && !IsFocused())
+      SetFocus();
+
+    ReleaseCapture();
+    m_bMouseDown = false;
+  }
+
+  return true;
+}
+
+bool CPWL_EditCtrl::OnMouseMove(const CFX_PointF& point, uint32_t nFlag) {
+  CPWL_Wnd::OnMouseMove(point, nFlag);
+
+  if (m_bMouseDown)
+    m_pEdit->OnMouseMove(point, false, false);
+
+  return true;
+}
+
+void CPWL_EditCtrl::SetEditCaret(bool bVisible) {
+  CFX_PointF ptHead;
+  CFX_PointF ptFoot;
+  if (bVisible)
+    GetCaretInfo(&ptHead, &ptFoot);
+
+  CPVT_WordPlace wpTemp = m_pEdit->GetCaretWordPlace();
+  IOnSetCaret(bVisible, ptHead, ptFoot, wpTemp);
+}
+
+void CPWL_EditCtrl::GetCaretInfo(CFX_PointF* ptHead, CFX_PointF* ptFoot) const {
+  CFX_Edit_Iterator* pIterator = m_pEdit->GetIterator();
+  pIterator->SetAt(m_pEdit->GetCaret());
+  CPVT_Word word;
+  CPVT_Line line;
+  if (pIterator->GetWord(word)) {
+    ptHead->x = word.ptWord.x + word.fWidth;
+    ptHead->y = word.ptWord.y + word.fAscent;
+    ptFoot->x = word.ptWord.x + word.fWidth;
+    ptFoot->y = word.ptWord.y + word.fDescent;
+  } else if (pIterator->GetLine(line)) {
+    ptHead->x = line.ptLine.x;
+    ptHead->y = line.ptLine.y + line.fLineAscent;
+    ptFoot->x = line.ptLine.x;
+    ptFoot->y = line.ptLine.y + line.fLineDescent;
+  }
+}
+
+void CPWL_EditCtrl::SetCaret(bool bVisible,
+                             const CFX_PointF& ptHead,
+                             const CFX_PointF& ptFoot) {
+  if (m_pEditCaret) {
+    if (!IsFocused() || m_pEdit->IsSelected())
+      bVisible = false;
+
+    m_pEditCaret->SetCaret(bVisible, ptHead, ptFoot);
+  }
+}
+
+CFX_WideString CPWL_EditCtrl::GetText() const {
+  return m_pEdit->GetText();
+}
+
+void CPWL_EditCtrl::SetSel(int32_t nStartChar, int32_t nEndChar) {
+  m_pEdit->SetSel(nStartChar, nEndChar);
+}
+
+void CPWL_EditCtrl::GetSel(int32_t& nStartChar, int32_t& nEndChar) const {
+  m_pEdit->GetSel(nStartChar, nEndChar);
+}
+
+void CPWL_EditCtrl::Clear() {
+  if (!IsReadOnly())
+    m_pEdit->Clear();
+}
+
+void CPWL_EditCtrl::SelectAll() {
+  m_pEdit->SelectAll();
+}
+
+void CPWL_EditCtrl::SetScrollPos(const CFX_PointF& point) {
+  m_pEdit->SetScrollPos(point);
+}
+
+CFX_PointF CPWL_EditCtrl::GetScrollPos() const {
+  return m_pEdit->GetScrollPos();
+}
+
+void CPWL_EditCtrl::CopyText() {}
+
+void CPWL_EditCtrl::PasteText() {}
+
+void CPWL_EditCtrl::CutText() {}
+
+void CPWL_EditCtrl::ShowVScrollBar(bool bShow) {}
+
+void CPWL_EditCtrl::InsertWord(uint16_t word, int32_t nCharset) {
+  if (!IsReadOnly())
+    m_pEdit->InsertWord(word, nCharset);
+}
+
+void CPWL_EditCtrl::InsertReturn() {
+  if (!IsReadOnly())
+    m_pEdit->InsertReturn();
+}
+
+void CPWL_EditCtrl::Delete() {
+  if (!IsReadOnly())
+    m_pEdit->Delete();
+}
+
+void CPWL_EditCtrl::Backspace() {
+  if (!IsReadOnly())
+    m_pEdit->Backspace();
+}
+
+bool CPWL_EditCtrl::CanUndo() const {
+  return !IsReadOnly() && m_pEdit->CanUndo();
+}
+
+bool CPWL_EditCtrl::CanRedo() const {
+  return !IsReadOnly() && m_pEdit->CanRedo();
+}
+
+void CPWL_EditCtrl::Redo() {
+  if (CanRedo())
+    m_pEdit->Redo();
+}
+
+void CPWL_EditCtrl::Undo() {
+  if (CanUndo())
+    m_pEdit->Undo();
+}
+
+void CPWL_EditCtrl::IOnSetScrollInfoY(float fPlateMin,
+                                      float fPlateMax,
+                                      float fContentMin,
+                                      float fContentMax,
+                                      float fSmallStep,
+                                      float fBigStep) {
+  PWL_SCROLL_INFO Info;
+
+  Info.fPlateWidth = fPlateMax - fPlateMin;
+  Info.fContentMin = fContentMin;
+  Info.fContentMax = fContentMax;
+  Info.fSmallStep = fSmallStep;
+  Info.fBigStep = fBigStep;
+
+  OnNotify(this, PNM_SETSCROLLINFO, SBT_VSCROLL, (intptr_t)&Info);
+
+  if (IsFloatBigger(Info.fPlateWidth, Info.fContentMax - Info.fContentMin) ||
+      IsFloatEqual(Info.fPlateWidth, Info.fContentMax - Info.fContentMin)) {
+    ShowVScrollBar(false);
+  } else {
+    ShowVScrollBar(true);
+  }
+}
+
+void CPWL_EditCtrl::IOnSetScrollPosY(float fy) {
+  OnNotify(this, PNM_SETSCROLLPOS, SBT_VSCROLL, (intptr_t)&fy);
+}
+
+void CPWL_EditCtrl::IOnSetCaret(bool bVisible,
+                                const CFX_PointF& ptHead,
+                                const CFX_PointF& ptFoot,
+                                const CPVT_WordPlace& place) {
+  PWL_CARET_INFO cInfo;
+  cInfo.bVisible = bVisible;
+  cInfo.ptHead = ptHead;
+  cInfo.ptFoot = ptFoot;
+
+  OnNotify(this, PNM_SETCARETINFO, (intptr_t)&cInfo, (intptr_t) nullptr);
+}
+
+void CPWL_EditCtrl::IOnInvalidateRect(CFX_FloatRect* pRect) {
+  InvalidateRect(pRect);
+}
+
+int32_t CPWL_EditCtrl::GetCharSet() const {
+  return m_nCharSet < 0 ? FX_CHARSET_Default : m_nCharSet;
+}
+
+void CPWL_EditCtrl::SetReadyToInput() {
+  if (m_bMouseDown) {
+    ReleaseCapture();
+    m_bMouseDown = false;
+  }
+}