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Diffstat (limited to 'fpdfsdk/pdfwindow/PWL_EditCtrl.cpp')
-rw-r--r--fpdfsdk/pdfwindow/PWL_EditCtrl.cpp629
1 files changed, 629 insertions, 0 deletions
diff --git a/fpdfsdk/pdfwindow/PWL_EditCtrl.cpp b/fpdfsdk/pdfwindow/PWL_EditCtrl.cpp
new file mode 100644
index 0000000000..10b5d6c04f
--- /dev/null
+++ b/fpdfsdk/pdfwindow/PWL_EditCtrl.cpp
@@ -0,0 +1,629 @@
+// 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/include/pdfwindow/PWL_EditCtrl.h"
+
+#include "fpdfsdk/include/pdfwindow/PWL_Caret.h"
+#include "fpdfsdk/include/pdfwindow/PWL_FontMap.h"
+#include "fpdfsdk/include/pdfwindow/PWL_ScrollBar.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Utils.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"
+#include "public/fpdf_fwlevent.h"
+
+#define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001)
+#define IsFloatBigger(fa, fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb)))
+#define IsFloatSmaller(fa, fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb)))
+#define IsFloatEqual(fa, fb) IsFloatZero((fa) - (fb))
+
+CPWL_EditCtrl::CPWL_EditCtrl()
+ : m_pEdit(NULL),
+ m_pEditCaret(NULL),
+ m_bMouseDown(FALSE),
+ m_pEditNotify(NULL),
+ m_nCharSet(DEFAULT_CHARSET),
+ m_nCodePage(0) {
+ m_pEdit = IFX_Edit::NewEdit();
+ ASSERT(m_pEdit);
+}
+
+CPWL_EditCtrl::~CPWL_EditCtrl() {
+ IFX_Edit::DelEdit(m_pEdit);
+}
+
+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();
+}
+
+FX_BOOL CPWL_EditCtrl::IsWndHorV() {
+ CFX_Matrix mt = GetWindowMatrix();
+ CFX_FloatPoint point1(0, 1);
+ CFX_FloatPoint point2(1, 1);
+
+ mt.Transform(point1.x, point1.y);
+ mt.Transform(point2.x, point2.y);
+
+ return point2.y == point1.y;
+}
+
+void CPWL_EditCtrl::SetCursor() {
+ if (IsValid()) {
+ if (IFX_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,
+ FX_DWORD 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: {
+ FX_FLOAT fPos = *(FX_FLOAT*)lParam;
+ switch (wParam) {
+ case SBT_VSCROLL:
+ m_pEdit->SetScrollPos(
+ CFX_FloatPoint(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) {
+ 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 = PBS_SOLID;
+ ecp.rcRectWnd = CFX_FloatRect(0, 0, 0, 0);
+
+ m_pEditCaret->Create(ecp);
+ }
+}
+
+void CPWL_EditCtrl::SetFontSize(FX_FLOAT fFontSize) {
+ m_pEdit->SetFontSize(fFontSize);
+}
+
+FX_FLOAT CPWL_EditCtrl::GetFontSize() const {
+ return m_pEdit->GetFontSize();
+}
+
+FX_BOOL CPWL_EditCtrl::OnKeyDown(FX_WORD nChar, FX_DWORD nFlag) {
+ if (m_bMouseDown)
+ return TRUE;
+
+ FX_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) {
+ if (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;
+}
+
+FX_BOOL CPWL_EditCtrl::OnChar(FX_WORD nChar, FX_DWORD nFlag) {
+ if (m_bMouseDown)
+ return TRUE;
+
+ CPWL_Wnd::OnChar(nChar, nFlag);
+
+ // FILTER
+ switch (nChar) {
+ case 0x0A:
+ case 0x1B:
+ return FALSE;
+ default:
+ break;
+ }
+
+ FX_BOOL bCtrl = IsCTRLpressed(nFlag);
+ FX_BOOL bAlt = IsALTpressed(nFlag);
+ FX_BOOL bShift = IsSHIFTpressed(nFlag);
+
+ FX_WORD 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:
+ if (IsINSERTpressed(nFlag))
+ Delete();
+ InsertWord(word, GetCharSet());
+ break;
+ }
+
+ return TRUE;
+}
+
+FX_BOOL CPWL_EditCtrl::OnLButtonDown(const CFX_FloatPoint& point,
+ FX_DWORD 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;
+}
+
+FX_BOOL CPWL_EditCtrl::OnLButtonUp(const CFX_FloatPoint& point,
+ FX_DWORD nFlag) {
+ CPWL_Wnd::OnLButtonUp(point, nFlag);
+
+ if (m_bMouseDown) {
+ // can receive keybord message
+ if (ClientHitTest(point) && !IsFocused())
+ SetFocus();
+
+ ReleaseCapture();
+ m_bMouseDown = FALSE;
+ }
+
+ return TRUE;
+}
+
+FX_BOOL CPWL_EditCtrl::OnMouseMove(const CFX_FloatPoint& point,
+ FX_DWORD nFlag) {
+ CPWL_Wnd::OnMouseMove(point, nFlag);
+
+ if (m_bMouseDown)
+ m_pEdit->OnMouseMove(point, FALSE, FALSE);
+
+ return TRUE;
+}
+
+CFX_FloatRect CPWL_EditCtrl::GetContentRect() const {
+ return m_pEdit->GetContentRect();
+}
+
+void CPWL_EditCtrl::SetEditCaret(FX_BOOL bVisible) {
+ CFX_FloatPoint ptHead(0, 0), ptFoot(0, 0);
+
+ if (bVisible) {
+ GetCaretInfo(ptHead, ptFoot);
+ }
+
+ CPVT_WordPlace wpTemp = m_pEdit->GetCaretWordPlace();
+ IOnSetCaret(bVisible, ptHead, ptFoot, wpTemp);
+}
+
+void CPWL_EditCtrl::GetCaretInfo(CFX_FloatPoint& ptHead,
+ CFX_FloatPoint& ptFoot) const {
+ if (IFX_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::GetCaretPos(int32_t& x, int32_t& y) const {
+ CFX_FloatPoint ptHead(0, 0), ptFoot(0, 0);
+
+ GetCaretInfo(ptHead, ptFoot);
+
+ PWLtoWnd(ptHead, x, y);
+}
+
+void CPWL_EditCtrl::SetCaret(FX_BOOL bVisible,
+ const CFX_FloatPoint& ptHead,
+ const CFX_FloatPoint& 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::Paint() {
+ if (m_pEdit)
+ m_pEdit->Paint();
+}
+
+void CPWL_EditCtrl::EnableRefresh(FX_BOOL bRefresh) {
+ if (m_pEdit)
+ m_pEdit->EnableRefresh(bRefresh);
+}
+
+int32_t CPWL_EditCtrl::GetCaret() const {
+ if (m_pEdit)
+ return m_pEdit->GetCaret();
+
+ return -1;
+}
+
+void CPWL_EditCtrl::SetCaret(int32_t nPos) {
+ if (m_pEdit)
+ m_pEdit->SetCaret(nPos);
+}
+
+int32_t CPWL_EditCtrl::GetTotalWords() const {
+ if (m_pEdit)
+ return m_pEdit->GetTotalWords();
+
+ return 0;
+}
+
+void CPWL_EditCtrl::SetScrollPos(const CFX_FloatPoint& point) {
+ if (m_pEdit)
+ m_pEdit->SetScrollPos(point);
+}
+
+CFX_FloatPoint CPWL_EditCtrl::GetScrollPos() const {
+ if (m_pEdit)
+ return m_pEdit->GetScrollPos();
+
+ return CFX_FloatPoint(0.0f, 0.0f);
+}
+
+CPDF_Font* CPWL_EditCtrl::GetCaretFont() const {
+ int32_t nFontIndex = 0;
+
+ if (IFX_Edit_Iterator* pIterator = m_pEdit->GetIterator()) {
+ pIterator->SetAt(m_pEdit->GetCaret());
+ CPVT_Word word;
+ CPVT_Section section;
+ if (pIterator->GetWord(word)) {
+ nFontIndex = word.nFontIndex;
+ } else if (HasFlag(PES_RICH)) {
+ if (pIterator->GetSection(section)) {
+ nFontIndex = section.WordProps.nFontIndex;
+ }
+ }
+ }
+
+ if (IFX_Edit_FontMap* pFontMap = GetFontMap())
+ return pFontMap->GetPDFFont(nFontIndex);
+
+ return NULL;
+}
+
+FX_FLOAT CPWL_EditCtrl::GetCaretFontSize() const {
+ FX_FLOAT fFontSize = GetFontSize();
+
+ if (IFX_Edit_Iterator* pIterator = m_pEdit->GetIterator()) {
+ pIterator->SetAt(m_pEdit->GetCaret());
+ CPVT_Word word;
+ CPVT_Section section;
+ if (pIterator->GetWord(word)) {
+ fFontSize = word.fFontSize;
+ } else if (HasFlag(PES_RICH)) {
+ if (pIterator->GetSection(section)) {
+ fFontSize = section.WordProps.fFontSize;
+ }
+ }
+ }
+
+ return fFontSize;
+}
+
+void CPWL_EditCtrl::SetText(const FX_WCHAR* csText) {
+ m_pEdit->SetText(csText);
+}
+
+void CPWL_EditCtrl::CopyText() {}
+
+void CPWL_EditCtrl::PasteText() {}
+
+void CPWL_EditCtrl::CutText() {}
+
+void CPWL_EditCtrl::ShowVScrollBar(FX_BOOL bShow) {}
+
+void CPWL_EditCtrl::InsertText(const FX_WCHAR* csText) {
+ if (!IsReadOnly())
+ m_pEdit->InsertText(csText);
+}
+
+void CPWL_EditCtrl::InsertWord(FX_WORD 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();
+}
+
+FX_BOOL CPWL_EditCtrl::CanUndo() const {
+ return !IsReadOnly() && m_pEdit->CanUndo();
+}
+
+FX_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(FX_FLOAT fPlateMin,
+ FX_FLOAT fPlateMax,
+ FX_FLOAT fContentMin,
+ FX_FLOAT fContentMax,
+ FX_FLOAT fSmallStep,
+ FX_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(FX_FLOAT fy) {
+ OnNotify(this, PNM_SETSCROLLPOS, SBT_VSCROLL, (intptr_t)&fy);
+}
+
+void CPWL_EditCtrl::IOnSetCaret(FX_BOOL bVisible,
+ const CFX_FloatPoint& ptHead,
+ const CFX_FloatPoint& 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)NULL);
+}
+
+void CPWL_EditCtrl::IOnCaretChange(const CPVT_SecProps& secProps,
+ const CPVT_WordProps& wordProps) {}
+
+void CPWL_EditCtrl::IOnContentChange(const CFX_FloatRect& rcContent) {
+ if (IsValid()) {
+ if (m_pEditNotify) {
+ m_pEditNotify->OnContentChange(rcContent);
+ }
+ }
+}
+
+void CPWL_EditCtrl::IOnInvalidateRect(CFX_FloatRect* pRect) {
+ InvalidateRect(pRect);
+}
+
+int32_t CPWL_EditCtrl::GetCharSet() const {
+ return m_nCharSet < 0 ? DEFAULT_CHARSET : m_nCharSet;
+}
+
+void CPWL_EditCtrl::GetTextRange(const CFX_FloatRect& rect,
+ int32_t& nStartChar,
+ int32_t& nEndChar) const {
+ nStartChar = m_pEdit->WordPlaceToWordIndex(
+ m_pEdit->SearchWordPlace(CFX_FloatPoint(rect.left, rect.top)));
+ nEndChar = m_pEdit->WordPlaceToWordIndex(
+ m_pEdit->SearchWordPlace(CFX_FloatPoint(rect.right, rect.bottom)));
+}
+
+CFX_WideString CPWL_EditCtrl::GetText(int32_t& nStartChar,
+ int32_t& nEndChar) const {
+ CPVT_WordPlace wpStart = m_pEdit->WordIndexToWordPlace(nStartChar);
+ CPVT_WordPlace wpEnd = m_pEdit->WordIndexToWordPlace(nEndChar);
+ return m_pEdit->GetRangeText(CPVT_WordRange(wpStart, wpEnd));
+}
+
+void CPWL_EditCtrl::SetReadyToInput() {
+ if (m_bMouseDown) {
+ ReleaseCapture();
+ m_bMouseDown = FALSE;
+ }
+}