int EBuffer::LineNew() {
if (SplitLine(VToR(CP.Row), CP.Col) == 0)
return 0;
if (!MoveDown())
return 0;
if (CP.Col > 0) {
if (!MoveLineStart())
return 0;
//int Indent = LineIndented(VToR(CP.Row));
if (!LineIndent())
return 0;
//if (Indent > 0)
// if (InsText(Row, C, Indent, 0) == 0)
// return 0;
if (BFI(this, BFI_Trim))
if (TrimLine(VToR(CP.Row - 1)) == 0)
return 0;
}
return 1;
}
int EList::ExecCommand(int Command, ExState &State) {
int W = 1;
int H = 1;
if (View && View->MView && View->MView->Win) {
View->MView->ConQuerySize(&W, &H);
H--;
}
FixPos();
switch (Command) {
case ExMoveLeft:
return MoveLeft();
case ExMoveRight:
return MoveRight();
case ExMoveUp:
return MoveUp();
case ExMoveDown:
return MoveDown();
case ExMovePageUp:
return MovePageUp();
case ExMovePageDown:
return MovePageDown();
case ExScrollLeft:
return ScrollLeft(8);
case ExScrollRight:
return ScrollRight(8);
case ExMovePageStart:
return MovePageStart();
case ExMovePageEnd:
return MovePageEnd();
case ExMoveFileStart:
return MoveFileStart();
case ExMoveFileEnd:
return MoveFileEnd();
case ExMoveLineStart:
return MoveLineStart();
case ExMoveLineEnd:
return MoveLineEnd();
case ExRescan:
RescanList();
return ErOK;
case ExActivate:
return Activate();
case ExListMark:
return Mark();
case ExListUnmark:
return Unmark();
case ExListToggleMark:
return ToggleMark();
case ExListMarkAll:
return MarkAll();
case ExListUnmarkAll:
return UnmarkAll();
case ExListToggleMarkAll:
return ToggleMarkAll();
}
return EModel::ExecCommand(Command, State);
}
int EBuffer::MoveBeginLinePageFile() {
int L = GetVPort()->TP.Row;
if (CP.Col == 0 && CP.Row == L)
return MoveFileStart();
else if (CP.Col == 0)
return MovePageStart();
else
return MoveLineStart();
}
int EBuffer::MoveRight() {
if (CursorWithinEOL == 1 && CP.Col == LineLen()) {
if (MoveDown())
return MoveLineStart();
else
return 0;
}
SetPos(CP.Col + 1, CP.Row, tmRight);
return 1;
}
int EBuffer::MoveNext() {
if (CP.Col < LineLen())
if (MoveRight()) return 1;
if (MoveDown() && MoveLineStart()) return 1;
return 0;
}
int EBuffer::KillToLineStart() {
int Y = VToR(CP.Row);
if (DelText(Y, 0, CP.Col) == 0) return 0;
if (MoveLineStart() == 0) return 0;
return 1;
}
int EBuffer::MoveBeginOrNonWhite() {
if (CP.Col == 0)
return MoveFirstNonWhite();
else
return MoveLineStart();
}
int EBuffer::MoveWordOrCapEndNext() {
if (MoveWordOrCapEndRight()) return 1;
if (MoveDown() && MoveLineStart()) return 1;
return 0;
}
int32_t CFDE_TxtEdtEngine::MoveCaretPos(FDE_TXTEDTMOVECARET eMoveCaret,
FX_BOOL bShift,
FX_BOOL bCtrl) {
if (IsLocked()) {
return 0;
}
if (m_PagePtrArray.GetSize() <= m_nCaretPage) {
return 0;
}
FX_BOOL bSelChange = FALSE;
if (IsSelect()) {
ClearSelection();
bSelChange = TRUE;
}
if (bShift) {
if (m_nAnchorPos == -1) {
m_nAnchorPos = m_nCaret;
}
} else {
m_nAnchorPos = -1;
}
FX_BOOL bVertical = m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical;
switch (eMoveCaret) {
case MC_Left: {
if (bVertical) {
CFX_PointF ptCaret;
if (MoveUp(ptCaret)) {
UpdateCaretIndex(ptCaret);
}
} else {
FX_BOOL bBefore = TRUE;
int32_t nIndex = MoveBackward(bBefore);
if (nIndex >= 0) {
UpdateCaretRect(nIndex, bBefore);
}
}
} break;
case MC_Right: {
if (bVertical) {
CFX_PointF ptCaret;
if (MoveDown(ptCaret)) {
UpdateCaretIndex(ptCaret);
}
} else {
FX_BOOL bBefore = TRUE;
int32_t nIndex = MoveForward(bBefore);
if (nIndex >= 0) {
UpdateCaretRect(nIndex, bBefore);
}
}
} break;
case MC_Up: {
if (bVertical) {
FX_BOOL bBefore = TRUE;
int32_t nIndex = MoveBackward(bBefore);
if (nIndex >= 0) {
UpdateCaretRect(nIndex, bBefore);
}
} else {
CFX_PointF ptCaret;
if (MoveUp(ptCaret)) {
UpdateCaretIndex(ptCaret);
}
}
} break;
case MC_Down: {
if (bVertical) {
FX_BOOL bBefore = TRUE;
int32_t nIndex = MoveForward(bBefore);
if (nIndex >= 0) {
UpdateCaretRect(nIndex, bBefore);
}
} else {
CFX_PointF ptCaret;
if (MoveDown(ptCaret)) {
UpdateCaretIndex(ptCaret);
}
}
} break;
case MC_WordBackward:
break;
case MC_WordForward:
break;
case MC_LineStart:
MoveLineStart();
break;
case MC_LineEnd:
MoveLineEnd();
break;
case MC_ParagStart:
MoveParagStart();
break;
case MC_ParagEnd:
MoveParagEnd();
break;
case MC_PageDown:
break;
case MC_PageUp:
break;
case MC_Home:
MoveHome();
break;
case MC_End:
MoveEnd();
break;
default:
break;
}
if (bShift && m_nAnchorPos != -1 && (m_nAnchorPos != m_nCaret)) {
AddSelRange(std::min(m_nAnchorPos, m_nCaret),
FXSYS_abs(m_nAnchorPos - m_nCaret));
m_Param.pEventSink->On_SelChanged(this);
}
if (bSelChange) {
m_Param.pEventSink->On_SelChanged(this);
}
return m_nCaret;
}
//
// Process keyboard-navigation keys
//
LONG TextViewBase::OnKeyDown(UINT nKeyCode, UINT nFlags)
{
bool fCtrlDown = IsKeyPressed(VK_CONTROL);
bool fShiftDown = IsKeyPressed(VK_SHIFT);
BOOL fAdvancing = FALSE;
long oldCursorOffset = m_nSelectionEnd;
//
// Process the key-press. Cursor movement is different depending
// on if <ctrl> is held down or not, so act accordingly
//
switch(nKeyCode)
{
case VK_SHIFT: case VK_CONTROL:
return 0;
case 'a': case 'A':
{
if(fCtrlDown)
SelectAll();
}
return 0;
// CTRL+Z undo
case 'z': case 'Z':
if(fCtrlDown && Undo())
/*NotifyParent(TVN_CHANGED);*/
return 0;
// CTRL+Y redo
case 'y': case 'Y':
if(fCtrlDown && Redo())
//NotifyParent(TVN_CHANGED);
return 0;
// CTRL+C copy
case 'c': case 'C':
{
//if(fCtrlDown && Redo())
// NotifyParent(TVN_CHANGED);
if(fCtrlDown)
return OnCopy();
else
break;
}
case 'x': case 'X':
{
if(fCtrlDown)
return OnCut();
else
break;
}
case 'v': case 'V':
{
if(fCtrlDown)
return OnPaste();
else
break;
}
// Change insert mode / clipboard copy&paste
case VK_INSERT:
if(fCtrlDown)
{
OnCopy();
NotifyParent(TVN_CHANGED);
}
else if(fShiftDown)
{
OnPaste();
NotifyParent(TVN_CHANGED);
}
else
{
if(m_nEditMode == MODE_INSERT)
m_nEditMode = MODE_OVERWRITE;
else if(m_nEditMode == MODE_OVERWRITE)
m_nEditMode = MODE_INSERT;
NotifyParent(TVN_EDITMODE_CHANGE);
}
return 0;
case VK_DELETE:
if(m_nEditMode != MODE_READONLY)
{
if(fShiftDown)
OnCut();
else
ForwardDelete();
NotifyParent(TVN_CHANGED);
}
return 0;
case VK_BACK:
if(m_nEditMode != MODE_READONLY)
{
BackDelete();
fAdvancing = FALSE;
NotifyParent(TVN_CHANGED);
}
return 0;
case VK_LEFT:
if(fCtrlDown) MoveWordPrev();
else MoveCharPrev();
fAdvancing = FALSE;
break;
case VK_RIGHT:
if(fCtrlDown) MoveWordNext();
else MoveCharNext();
fAdvancing = TRUE;
break;
case VK_UP:
if(fCtrlDown) Scroll(0, -1);
else MoveLineUp(1);
break;
case VK_DOWN:
if(fCtrlDown) Scroll(0, 1);
else MoveLineDown(1);
break;
case VK_PRIOR:
if(!fCtrlDown) MovePageUp();
break;
case VK_NEXT:
if(!fCtrlDown) MovePageDown();
break;
case VK_HOME:
if(fCtrlDown) MoveFileStart();
else MoveLineStart(m_nCurrentLine);
break;
case VK_END:
if(fCtrlDown) MoveFileEnd();
else MoveLineEnd(m_nCurrentLine);
break;
default:
return 0;
}
// Extend selection if <shift> is down
if(fShiftDown)
{
InvalidateRange(m_nSelectionEnd, oldCursorOffset);
//m_nSelectionEnd = m_nCursorOffset;
}
// Otherwise clear the selection
else
{
if(m_nSelectionStart != m_nSelectionEnd)
InvalidateRange(m_nSelectionStart, m_nSelectionEnd);
//m_nSelectionEnd = m_nCursorOffset;
m_nSelectionStart = m_nSelectionEnd;
}
// update caret-location (xpos, line#) from the offset
//UpdateCaretOffset(m_nCursorOffset, fAdvancing, &m_nCaretPosX, &m_nCurrentLine);
CHAR_POS cp;
FilePosToCharPos(m_nSelectionEnd, &cp);
m_nCurrentLine_D = cp.logLine;
// maintain the caret 'anchor' position *except* for up/down actions
if(nKeyCode != VK_UP && nKeyCode != VK_DOWN)
{
//m_nAnchorPosX = m_nCaretPosX;
// scroll as necessary to keep caret within viewport
//ScrollToPosition(m_nCaretPosX, m_nCurrentLine);
}
else
{
// scroll as necessary to keep caret within viewport
if(!fCtrlDown);
//ScrollToPosition(m_nCaretPosX, m_nCurrentLine);
}
NotifyParent(TVN_CURSOR_CHANGE);
return 0;
}
BOOL TextViewBase::BackDelete()
{
ULONG selstart = min(m_nSelectionStart, m_nSelectionEnd);
ULONG selend = max(m_nSelectionStart, m_nSelectionEnd);
ULONG length = selend - selstart;
bool nead_Smeg = false;
ULONG line_offset, line_length, line_no;
m_pTextDoc->lineinfo_from_offset(selstart, &line_no, &line_offset, &line_length, NULL, NULL);
//m_pTextDoc->lineinfo_from_lineno(m_nCurrentLine_D, &line_offset, &line_length, NULL, NULL);
// if there's a selection then delete it
if(selstart != selend)
{
if(selstart + length >= line_length + line_offset)
{
nead_Smeg = true;
}
m_pTextDoc->erase_text(selstart, selend-selstart);
m_nSelectionEnd = selstart;
m_pTextDoc->m_seq.breakopt();
}
// otherwise do a back-delete
else if (m_nSelectionEnd > 0)
{
//m_nCursorOffset--;
ULONG oldpos = m_nSelectionEnd;
MoveCharPrev();
length = oldpos - m_nSelectionEnd;
if (m_nSelectionEnd < line_offset)
{
nead_Smeg = true;
}
m_pTextDoc->erase_text(m_nSelectionEnd, length);
}
m_nSelectionStart = m_nSelectionEnd;
//m_nSelectionEnd = m_nCursorOffset;
//FilePosToCharPos(m_nCursorOffset, &m_CurrentCharPos);
if(nead_Smeg)
{
Smeg(FALSE);
}else
{
int old_offset = m_nSelectionEnd;
m_pTextDoc->init_linebuffer();
ResetLineCache( m_nCurrentLine_D);
//FilePosToCharPos(m_nCursorOffset, &m_CurrentCharPos);
MoveLineStart(0, false);
InvalidateRange((m_nSelectionEnd ? m_nSelectionEnd - 1 : 0), line_offset + line_length);
m_nSelectionEnd = old_offset;
RepositionCaret();
}
#ifdef _DEBUG
wchar_t db_string[200];
wsprintf(db_string, L"m_nSelectionEnd=%d\n", m_nSelectionEnd);
OutputDebugString(db_string);
#endif
return TRUE;
}
