int
QUimTextUtil::acquireSelectionTextInQ3TextEdit( enum UTextOrigin origin,
int former_req_len,
int latter_req_len,
char **former, char **latter )
{
Q3TextEdit *edit = static_cast<Q3TextEdit *>( mWidget );
QString text;
int len, offset, newline;
int start_para, start_index, end_para, end_index;
int para, index;
bool cursor_at_beginning = false;
Qt::TextFormat format;
if ( ! edit->hasSelectedText() )
return -1;
format = edit->textFormat();
edit->setTextFormat( Qt::PlainText );
edit->getCursorPosition( ¶, &index );
edit->getSelection(&start_para, &start_index, &end_para, &end_index, 0 );
if ( para == start_para && index == start_index )
cursor_at_beginning = true;
text = edit->selectedText();
len = text.length();
if ( origin == UTextOrigin_Beginning ||
( origin == UTextOrigin_Cursor && cursor_at_beginning ) ) {
*former = 0;
offset = 0;
if ( latter_req_len >= 0 ) {
if ( len > latter_req_len )
offset = len - latter_req_len;
} else {
if (! ( ~latter_req_len & ( ~UTextExtent_Line | ~UTextExtent_Full ) ) ) {
edit->setTextFormat( format );
return -1;
}
if ( latter_req_len == UTextExtent_Line && ( ( newline = text.indexOf( '\n' ) ) != -1 ) )
offset = len - newline;
}
*latter = strdup( text.left( len - offset ).toUtf8().data() );
} else if ( origin == UTextOrigin_End ||
( origin == UTextOrigin_Cursor && !cursor_at_beginning ) ) {
offset = 0;
if ( former_req_len >= 0 ) {
if ( len > former_req_len )
offset = len - former_req_len;
} else {
if (! ( ~former_req_len & ( ~UTextExtent_Line | ~UTextExtent_Full ) ) ) {
edit->setTextFormat( format );
return -1;
}
if ( former_req_len == UTextExtent_Line && ( ( newline = text.lastIndexOf( '\n' ) ) != -1 ) )
offset = newline + 1;
}
*former = strdup( text.mid( offset, len - offset ).toUtf8().data() );
*latter = 0;
} else {
edit->setTextFormat( format );
return -1;
}
edit->setTextFormat( format );
return 0;
}
int
QUimTextUtil::deleteSelectionTextInQ3TextEdit( enum UTextOrigin origin,
int former_req_len,
int latter_req_len )
{
Q3TextEdit *edit = static_cast<Q3TextEdit *>( mWidget );
QString text;
int len, newline;
int para, index;
int sel_para_from, sel_index_from, sel_para_to, sel_index_to;
int start_para, start_index, end_para, end_index;
bool cursor_at_beginning = false;
if ( ! edit->hasSelectedText() )
return -1;
edit->getCursorPosition( ¶, &index );
edit->getSelection( &sel_para_from, &sel_index_from, &sel_para_to, &sel_index_to, 0 );
if ( para == sel_para_from && index == sel_index_from )
cursor_at_beginning = true;
text = edit->selectedText();
len = text.length();
start_para = sel_para_from;
start_index = sel_index_from;
end_para = sel_para_to;
end_index = sel_index_to;
if ( origin == UTextOrigin_Beginning ||
( origin == UTextOrigin_Cursor && cursor_at_beginning ) ) {
edit->setCursorPosition( sel_para_from, sel_index_from );
if ( latter_req_len >= 0 ) {
if ( len > latter_req_len ) {
end_para = sel_para_from;
end_index = sel_index_from;
for ( int i = 0; i < latter_req_len; i++)
Q3TextEditPositionForward( &end_para, &end_index );
}
} else {
if (! ( ~latter_req_len & ( ~UTextExtent_Line | ~UTextExtent_Full ) ) )
return -1;
if ( latter_req_len == UTextExtent_Line && ( ( newline = text.indexOf('\n') ) != -1 ) ) {
end_para = sel_para_from;
end_index = sel_index_from + newline;
}
}
} else if ( origin == UTextOrigin_End ||
( origin == UTextOrigin_Cursor && !cursor_at_beginning ) ) {
if ( former_req_len >= 0 ) {
if ( len > former_req_len ) {
start_para = sel_para_to;
start_index = sel_index_to;
for ( int i = 0; i < former_req_len; i++)
Q3TextEditPositionBackward( &start_para, &start_index );
}
} else {
if (! ( ~former_req_len & ( ~UTextExtent_Line | ~UTextExtent_Full ) ) )
return -1;
if ( former_req_len == UTextExtent_Line && ( ( newline = text.lastIndexOf( '\n' ) ) != -1 ) ) {
start_para = sel_para_to;
start_index = 0;
}
}
} else {
return -1;
}
edit->setSelection( start_para, start_index, end_para, end_index, 1 );
edit->removeSelectedText( 1 );
return 0;
}