blob: 10b5d6c04f007d8a82b5d3a4e21916de1c67e0d9 [file] [log] [blame]
// 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;
}
}