void CEdit::xd_rootwidget(Widget xd_rootwidget)
{
CWnd::xd_rootwidget ( xd_rootwidget );
if (XmIsScrolledWindow(xd_rootwidget))
{
WidgetList children = (WidgetList) 0 ;
Cardinal numchildren = (Cardinal) 0 ;
int i ;
XtVaGetValues(xd_rootwidget,
XmNchildren, &children,
XmNnumChildren, &numchildren,
NULL) ;
for ( i = 0; i < numchildren; i++ )
if (XmIsText(children[i]) || XmIsTextField(children[i]))
{
_xd_textwidget = children[i];
break;
}
}
else
_xd_textwidget = _xd_rootwidget;
}
int CEdit::xd_get_window_text_length(void) const
{
// Implements GetWindowTextLength() for XmText and XmTextField
// Return value:
// 0 if the widget has not been created (no call to create() yet).
// The length of the text otherwise.
if (_xd_textwidget != NULL)
{
char *s = (char *) 0 ;
if (XmIsText(_xd_textwidget))
s = XmTextGetString(_xd_textwidget);
else if (XmIsTextField(_xd_textwidget))
s = XmTextFieldGetString(_xd_textwidget);
if (s) {
int length = strlen(s) ;
XtFree(s) ;
return length;
}
}
return 0;
}
void CEdit::ReplaceSel(LPCSTR lpszNewText)
{
// Inserts the given text to replace the current selection
// or at the insert cursor position if there is no selection.
Boolean has_selection = False;
XmTextPosition left = (XmTextPosition) 0 ;
XmTextPosition right = (XmTextPosition) 0 ;
if (_xd_textwidget!=NULL)
{
if (XmIsText(_xd_textwidget))
{
has_selection = XmTextGetSelectionPosition(_xd_textwidget, &left, &right);
if (!has_selection)
left = right = XmTextGetInsertionPosition(_xd_textwidget);
XmTextReplace(_xd_textwidget, left, right, (char *)lpszNewText);
}
else if (XmIsTextField(_xd_textwidget))
{
has_selection = XmTextFieldGetSelectionPosition(_xd_textwidget, &left, &right);
if (!has_selection)
left = right = XmTextFieldGetInsertionPosition(_xd_textwidget);
XmTextFieldReplace(_xd_textwidget, left, right, (char *)lpszNewText);
}
}
}
int CEdit::xd_get_window_text(LPSTR lpszStringBuf, int nMaxCount) const
{
// Implements GetWindowText() for XmText and XmTextField.
// Return value:
// 0 if the widget has not been created (no call to create() yet).
// The length of the text otherwise.
if (_xd_textwidget!=NULL)
{
char *s = (char *) 0 ;
if (XmIsText(_xd_textwidget))
s = XmTextGetString(_xd_textwidget);
else if (XmIsTextField(_xd_textwidget))
s = XmTextFieldGetString(_xd_textwidget);
if (s) {
(void) strncpy(lpszStringBuf, s, nMaxCount - 1);
XtFree(s);
lpszStringBuf[nMaxCount-1]='\0';
return strlen(lpszStringBuf);
}
}
return 0;
}
Boolean
XmTextFindStringWcs(Widget w,
XmTextPosition start,
wchar_t* wc_string,
XmTextDirection direction,
XmTextPosition *position)
{
wchar_t *tmp_wc;
char *string;
int num_chars = 0;
Boolean return_val = False;
XmTextWidget tw = (XmTextWidget) w;
int wcs_ret_val = 0;
_XmWidgetToAppContext(w);
_XmAppLock(app);
if (!XmIsTextField(w)) {
for (num_chars = 0, tmp_wc = wc_string; *tmp_wc != (wchar_t)0L;
num_chars++) tmp_wc++;
string = XtMalloc ((unsigned) (num_chars + 1) * (int)tw->text.char_size);
wcs_ret_val = wcstombs(string, wc_string,
(num_chars + 1) * (int)tw->text.char_size);
if (wcs_ret_val >= 0)
return_val = XmTextFindString(w, start, string, direction, position);
XtFree(string);
_XmAppUnlock(app);
return(return_val);
} else {
_XmAppUnlock(app);
return False;
}
}
Boolean
XmTextFindString(Widget w,
XmTextPosition start,
char* search_string,
XmTextDirection direction,
XmTextPosition *position)
{
XmSourceData data;
Boolean ret_val;
_XmWidgetToAppContext(w);
if (XmIsTextField(w)) return False;
_XmAppLock(app);
data = ((XmTextWidget)w)->text.source->data;
if (start > data->length)
start = data->length;
else if (start < 0)
start = 0;
if (direction == XmTEXT_BACKWARD)
ret_val = _XmTextFindStringBackwards(w, start, search_string, position);
else
ret_val = _XmTextFindStringForwards(w, start, search_string, position);
_XmAppUnlock(app);
return (ret_val);
}
void CEdit::Copy(void)
{
// Copies the currently selected text to the clipboard
if (_xd_textwidget != NULL)
{
if (XmIsText(_xd_textwidget))
XmTextCopy(_xd_textwidget, XtLastTimestampProcessed(XtDisplay(_xd_textwidget)));
else if (XmIsTextField(_xd_textwidget))
XmTextFieldCopy(_xd_textwidget, XtLastTimestampProcessed(XtDisplay(_xd_textwidget)));
}
}
void CEdit::Clear(void)
{
// Deletes the currently selected text
if (_xd_textwidget != NULL)
{
if (XmIsText(_xd_textwidget))
XmTextRemove(_xd_textwidget);
else if (XmIsTextField(_xd_textwidget))
XmTextFieldRemove(_xd_rootwidget);
}
}
void CEdit::xd_set_window_text(LPCSTR lpszString)
{
// Implements SetWindowText() for XmText and XmTextField.
if (_xd_textwidget != NULL)
{
if (XmIsText(_xd_textwidget))
XmTextSetString(_xd_textwidget, (char *)lpszString);
else if (XmIsTextField(_xd_textwidget))
XmTextFieldSetString(_xd_textwidget, (char *)lpszString);
}
}
void CEdit::Paste(void)
{
// Insert data from the clipboard into the text
if (_xd_textwidget != NULL)
{
if (XmIsText(_xd_textwidget))
XmTextPaste(_xd_textwidget);
else if (XmIsTextField(_xd_textwidget))
XmTextFieldPaste(_xd_textwidget);
}
}
void CEdit::Cut(void)
{
// Deletes the currently selected text and copies it to
// the clipboard
if (_xd_textwidget != NULL)
{
if (XmIsText(_xd_textwidget))
XmTextCut(_xd_textwidget, XtLastTimestampProcessed(XtDisplay(_xd_textwidget)));
else if (XmIsTextField(_xd_textwidget))
XmTextFieldCut(_xd_textwidget, XtLastTimestampProcessed(XtDisplay(_xd_textwidget)));
}
return;
}
void insert_source_argAct(Widget w, XEvent*, String*, Cardinal*)
{
clear_isearch();
string arg = source_arg->get_string();
if (XmIsText(w)) {
if (XmTextGetEditable(w)) {
XmTextPosition pos = XmTextGetInsertionPosition(w);
XmTextReplace(w, pos, pos, XMST(arg.chars()));
}
}
else if (XmIsTextField(w)) {
if (XmTextFieldGetEditable(w)) {
XmTextPosition pos = XmTextFieldGetInsertionPosition(w);
XmTextFieldReplace(w, pos, pos, XMST(arg.chars()));
}
}
}
void CEdit:: SetSel(int nStartChar, int nEndChar, BOOL bNoScroll)
{
// Set the current selection.
if (_xd_textwidget != NULL)
{
XtVaSetValues(_xd_textwidget, XmNautoShowCursorPosition, !bNoScroll, NULL);
XmTextPosition len = XmTextGetLastPosition(_xd_textwidget);
if (nEndChar > len)
nEndChar = (int)len ;
if (XmIsText(_xd_textwidget))
XmTextSetSelection(_xd_textwidget, nStartChar, nEndChar, XtLastTimestampProcessed(XtDisplay(_xd_textwidget)));
else if (XmIsTextField(_xd_textwidget))
XmTextFieldSetSelection(_xd_textwidget, nStartChar, nEndChar, XtLastTimestampProcessed(XtDisplay(_xd_textwidget)));
}
}
// Apply button
static void ApplyPlotCommandCB(Widget, XtPointer client_data, XtPointer)
{
PlotWindowInfo *plot = (PlotWindowInfo *)client_data;
Widget text = XmCommandGetChild(plot->command, XmDIALOG_COMMAND_TEXT);
String cmd_s = 0;
if (XmIsTextField(text))
cmd_s = XmTextFieldGetString(text);
else if (XmIsText(text))
cmd_s = XmTextGetString(text);
else {
assert(0);
::abort();
}
string cmd = cmd_s;
XtFree(cmd_s);
send_and_replot(plot, cmd);
}
void CEdit::GetSel(int& nStartChar, int& nEndChar) const
{
// Get the start and end of the selected text
// Returns start and end as zero if there is no selected text
Boolean has_selection = False ;
XmTextPosition left = (XmTextPosition) 0 ;
XmTextPosition right = (XmTextPosition) 0 ;
nStartChar = nEndChar = 0;
if (_xd_textwidget != NULL)
{
if (XmIsText(_xd_textwidget))
has_selection = XmTextGetSelectionPosition(_xd_textwidget, &left, &right);
else if (XmIsTextField(_xd_textwidget))
has_selection = XmTextFieldGetSelectionPosition(_xd_textwidget, &left, &right);
if (has_selection)
{
nStartChar = (int)left;
nEndChar = (int)right;
}
}
}