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kmail/KEdit.cpp

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/*
$Id$
kedit, a simple text editor for the KDE project
Requires the Qt widget libraries, available at no cost at
http://www.troll.no
Copyright (C) 1997 Bernd Johannes Wuebben
wuebben@math.cornell.edu
parts:
Alexander Sanda <alex@darkstar.ping.at>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
KEdit, simple editor class, hacked version of the original by
*/
#include "KEdit.h"
#include "KEdit.moc"
KEdit::KEdit(KApplication *a, QWidget *parent, const char *name,
const char *fname) : QMultiLineEdit(parent, name){
mykapp = a;
filename = fname;
filename.detach();
modified = FALSE;
// set some defaults
line_pos = col_pos = 0;
fill_column_is_set = TRUE;
word_wrap_is_set = TRUE;
fill_column_value = 79;
autoIndentMode = false;
make_backup_copies = TRUE;
installEventFilter( this );
srchdialog = NULL;
replace_dialog= NULL;
connect(this, SIGNAL(textChanged()), this, SLOT(setModified()));
setContextSens();
}
KEdit::~KEdit(){
}
int KEdit::currentLine(){
computePosition();
return line_pos;
};
int KEdit::currentColumn(){
computePosition();
return col_pos;
}
bool KEdit::WordWrap(){
return word_wrap_is_set;
}
void KEdit::setWordWrap(bool flag ){
word_wrap_is_set = flag;
}
bool KEdit::FillColumnMode(){
return fill_column_is_set;
}
void KEdit::setFillColumnMode(int line){
if (line <= 0) {
fill_column_is_set = FALSE;
fill_column_value = 0;
}
else{
fill_column_is_set = TRUE;
fill_column_value = line;
}
}
int KEdit::loadFile(QString name, int mode){
int fdesc;
struct stat s;
char *mb_caption = "Load file:";
char *addr;
QFileInfo info(name);
if(!info.exists()){
QMessageBox::message("Sorry","The specified File does not exist","OK");
// TODO: finer error control
return KEDIT_RETRY;
}
if(!info.isReadable()){
QMessageBox::message("Sorry","You do not have read permission to this file.","OK");
// TODO: finer error control
return KEDIT_RETRY;
}
fdesc = open(name, O_RDONLY);
if(fdesc == -1) {
switch(errno) {
case EACCES:
QMessageBox::message("Sorry",
"You have do not have Permission to \n"\
"read this Document", "Ok");
// TODO: finer error control
return KEDIT_OS_ERROR;
default:
QMessageBox::message(mb_caption,
"An Error occured while trying to open this Document",
"Ok");
// TODO: finer error control
return KEDIT_OS_ERROR;
}
}
emit loading();
mykapp->processEvents();
fstat(fdesc, &s);
addr = (char *)mmap(0, s.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fdesc, 0);
setAutoUpdate(FALSE);
disconnect(this, SIGNAL(textChanged()), this, SLOT(setModified()));
// The following is a horrible hack that we need to put up with until
// Qt 1.3 comes along. The problem is that QMultiLineEdit::setText(char*)
// is O(n^2) which makes loading larger files very slow. We resort here to
// a workaroud which load the file line by line. I use a memmap construction
// but probably a QTextStream is just about as fast.
if(mode & OPEN_INSERT) {
register long int i;
char *beginning_of_line;
beginning_of_line = addr;
int line, col;
char c = '\n';
if(s.st_size != 0){
c = *(addr + s.st_size - 1 ); // save the last character of the file
}
// this boolean will indicate whether we already have inserted the first line.
bool past_first_line = false;
getCursorPosition(&line,&col);
// let's save the position of the cursor
int save_line = line;
int save_col = col;
for(i = 0; i < s.st_size; i++){
if( *(addr + i) == '\n' ){
*(addr + i) = '\0';
if(!past_first_line){
QString string;
string = beginning_of_line;
string += '\n';
insertAt(string,line,col);
past_first_line = true;
}
else{
insertLine(beginning_of_line,line);
}
line ++;
beginning_of_line = addr + i + 1;
}
}
// What if the last char of the file wasn't a newline?
// In this case we have to manually insert the last "couple" of characters.
// This routine could be avoided if I knew for sure that I could
// memmap a file into a block of memory larger than the file size.
// In that case I would simply put a zero after the last char in the file.
// and the above would go through almost unmodified. Well, I don't, so
// here we go:
if( c != '\n'){ // we're in here if s.st_size != 0 and last char != '\n'
char* buf = (char*)malloc(addr + i - 1 - beginning_of_line + 2);
strncpy(buf, beginning_of_line, addr + i - 1 - beginning_of_line +1);
buf[ addr + i - 1 - beginning_of_line + 2 ] = '\0';
append(buf);
free(buf);
}
// restore the initial Curosor Position
setCursorPosition(save_line,save_col);
}
else{ // Not inserting but loading a completely new file.
register long int i;
char *beginning_of_line;
beginning_of_line = addr;
// eradicate the old text.
this->clear();
char c = '\n';
if(s.st_size != 0){
c = *(addr + s.st_size - 1 ); // save the last character of the file
}
for(i = 0; i < s.st_size; i++){
if( *(addr + i) == '\n' ){
*(addr + i) = '\0';
append(beginning_of_line);
beginning_of_line = addr + i + 1;
}
}
// Same consideration as above:
if( c != '\n'){ // we're in here if s.st_size != 0 and last char != '\n'
char* buf = (char*)malloc(addr + i - 1 - beginning_of_line + 2);
strncpy(buf, beginning_of_line, addr + i - 1 - beginning_of_line +1);
buf[ addr + i - 1 - beginning_of_line + 2 ] = '\0';
append(buf);
free(buf);
}
}
setAutoUpdate(TRUE);
repaint();
connect(this, SIGNAL(textChanged()), this, SLOT(setModified()));
munmap(addr, s.st_size);
if ( mode == OPEN_INSERT)
toggleModified(TRUE);
else
toggleModified(FALSE);
if(!(mode == OPEN_INSERT)){
filename = name;
filename.detach();
}
if( mode == OPEN_READONLY)
this->setReadOnly(TRUE);
else
this->setReadOnly(FALSE);
emit(fileChanged());
setFocus();
return KEDIT_OK;
}
int KEdit::insertFile(){
QFileDialog *box;
QString file_to_insert;
box = new QFileDialog( this, "fbox", TRUE);
box->setCaption("Select Document to Insert");
box->show();
if (!box->result()) {
delete box;
return KEDIT_USER_CANCEL;
}
if(box->selectedFile().isEmpty()) { /* no selection */
delete box;
return KEDIT_USER_CANCEL;
}
file_to_insert = box->selectedFile();
file_to_insert.detach();
delete box;
int result = loadFile(file_to_insert, OPEN_INSERT);
if (result == KEDIT_OK )
setModified();
return result;
}
int KEdit::openFile(int mode)
{
QString fname;
QFileDialog *box;
if( isModified() ) {
if((QMessageBox::query("Message",
"The current Document has been modified.\n"\
"Would you like to save it?"))) {
if (doSave() != KEDIT_OK){
QMessageBox::message("Sorry", "Could not Save the Document", "OK");
return KEDIT_OS_ERROR;
}
}
}
box = new QFileDialog( this, "fbox", TRUE);
box->setCaption("Select Document to Open");
box->show();
if (!box->result()) /* cancelled */
return KEDIT_USER_CANCEL;
if(box->selectedFile().isEmpty()) { /* no selection */
return KEDIT_USER_CANCEL;
}
fname = box->selectedFile();
delete box;
int result = loadFile(fname, mode);
if ( result == KEDIT_OK )
toggleModified(FALSE);
return result;
}
int KEdit::newFile(){
if( isModified() ) {
if((QMessageBox::query("Message",
"The current Document has been modified.\n"\
"Would you like to save it?"))) {
if (doSave() != KEDIT_OK){
QMessageBox::message("Sorry", "Could not Save the Document", "OK");
return KEDIT_OS_ERROR;
}
}
}
this->clear();
toggleModified(FALSE);
setFocus();
filename = "Untitled";
computePosition();
emit(fileChanged());
return KEDIT_OK;
}
void KEdit::computePosition(){
int line, col, coltemp;
getCursorPosition(&line,&col);
QString linetext = textLine(line);
// O.K here is the deal: The function getCursorPositoin returns the character
// position of the cursor, not the screenposition. I.e,. assume the line
// consists of ab\tc then the character c will be on the screen on position 8
// whereas getCursorPosition will return 3 if the cursors is on the character c.
// Therefore we need to compute the screen position from the character position.
// That's what all the following trouble is all about:
coltemp = col;
int pos = 0;
int find = 0;
int mem = 0;
bool found_one = false;
// if you understand the following algorithm you are worthy to look at the
// kedit+ sources -- if not, go away ;-)
while(find >=0 && find <= coltemp- 1 ){
find = linetext.find('\t', find, TRUE );
if( find >=0 && find <= coltemp - 1 ){
found_one = true;
pos = pos + find - mem;
pos = pos + 8 - pos % 8;
mem = find;
find ++;
}
}
pos = pos + coltemp - mem ; // add the number of characters behind the
// last tab on the line.
if (found_one){
pos = pos - 1;
}
line_pos = line;
col_pos = pos;
}
void KEdit::keyPressEvent ( QKeyEvent *e){
QString* pstring;
if (e->key() == Key_Tab){
if (isReadOnly())
return;
QMultiLineEdit::insertChar((char)'\t');
setModified();
emit CursorPositionChanged();
return;
}
if (e->key() == Key_Insert){
this->setOverwriteMode(!this->isOverwriteMode());
emit toggle_overwrite_signal();
return;
}
//printf("fill %d word %d value %d\n", fill_column_is_set,
// word_wrap_is_set,fill_column_value);
if(fill_column_is_set && word_wrap_is_set ){
// word break algorithm
if(isprint(e->ascii())){
// printf("col_pos %d\n",col_pos);
if( col_pos > fill_column_value - 1){
if (e->ascii() == 32 ){ // a space we can just break here
mynewLine();
// setModified();
emit CursorPositionChanged();
return;
}
pstring = getString(line_pos);
// find a space to break at
int space_pos = pstring->findRev(" ", -1,TRUE);
if( space_pos == -1 ){
// no space to be found on line, just break, what else could we do?
mynewLine();
computePosition();
}
else{
// Can't use insertAt('\n'...) due to a bug in Qt 1.2, and must resort
// to the following work around:
// go back to the space
focusOutEvent(&QFocusEvent(Event_FocusOut));
for(uint i = 0; i < (pstring->length() - space_pos -1 ); i++){
cursorLeft();
}
// insert a newline there
mynewLine();
end(FALSE);
focusOutEvent(&QFocusEvent(Event_FocusIn));
computePosition();
}
}
QMultiLineEdit::keyPressEvent(e);
// setModified();
emit CursorPositionChanged();
return;
}
else{ // not isprint that is some control character or some such
if(e->key() == Key_Return || e->key() == Key_Enter){
mynewLine();
//setModified();
emit CursorPositionChanged();
return;
}
QMultiLineEdit::keyPressEvent(e);
// setModified();
emit CursorPositionChanged();
return;
}
} // end do_wordbreak && fillcolumn_set
// fillcolumn but no wordbreak
if (fill_column_is_set){
if(e->key() == Key_Return || e->key() == Key_Enter){
mynewLine();
// setModified();
emit CursorPositionChanged();
return;
}
if(isprint(e->ascii())){
if( col_pos > fill_column_value - 1){
mynewLine();
// setModified();
}
}
QMultiLineEdit::keyPressEvent(e);
//setModified();
emit CursorPositionChanged();
return;
}
// default action
if(e->key() == Key_Return || e->key() == Key_Enter){
mynewLine();
//setModified();
emit CursorPositionChanged();
return;
}
QMultiLineEdit::keyPressEvent(e);
//setModified();
emit CursorPositionChanged();
}
void KEdit::mynewLine(){
if (isReadOnly())
return;
setModified();
if(!autoIndentMode){ // if not indent mode
newLine();
return;
}
int line,col;
bool found_one = false;
getCursorPosition(&line,&col);
QString string, string2;
while(line >= 0){
string = textLine(line);
string2 = string.stripWhiteSpace();
if(!string2.isEmpty()){
string = prefixString(string);
found_one = TRUE;
break;
}
line --;
}
// string will now contain those whitespace characters that I need to insert
// on the next line.
if(found_one){
// don't ask my why I programmed it this way. I am quite sick of the Qt 1.2
// MultiLineWidget -- It is anoyingly buggy.
// I have to put in obscure workarounds all over the place.
focusOutEvent(&QFocusEvent(Event_FocusOut));
newLine();
for(uint i = 0; i < string.length();i++){
insertChar(string.data()[i]);
}
// this f***king doesn't work.
// insertAt(string.data(),line + 1,0);
focusInEvent(&QFocusEvent(Event_FocusIn));
}
else{
newLine();
}
}
void KEdit::setAutoIndentMode(bool mode){
autoIndentMode = mode;
}
QString KEdit::prefixString(QString string){
// This routine return the whitespace before the first none white space
// character in string. This is used in mynewLine() for indent mode.
// It is assumed that string contains at least one non whitespace character
// ie \n \r \t \v \f and space
// printf(":%s\n",string.data());
int size = string.size();
char* buffer = (char*) malloc(size + 1);
strncpy (buffer, string.data(),size - 1);
buffer[size] = '\0';
int i;
for (i = 0 ; i < size; i++){
if(!isspace(buffer[i]))
break;
}
buffer[i] = '\0';
QString returnstring = buffer;
free(buffer);
// printf(":%s:\n",returnstring.data());
return returnstring;
}
void KEdit::mousePressEvent (QMouseEvent* e){
QMultiLineEdit::mousePressEvent(e);
emit CursorPositionChanged();
}
void KEdit::mouseMoveEvent (QMouseEvent* e){
QMultiLineEdit::mouseMoveEvent(e);
emit CursorPositionChanged();
}
void KEdit::installRBPopup(QPopupMenu* p){
rb_popup = p;
}
void KEdit::mouseReleaseEvent (QMouseEvent* e){
QMultiLineEdit::mouseReleaseEvent(e);
emit CursorPositionChanged();
}
int KEdit::saveFile(){
if(!modified) {
emit saving();
mykapp->processEvents();
return KEDIT_OK;
}
QFile file(filename);
QString backup_filename;
if(file.exists()){
backup_filename = filename;
backup_filename.detach();
backup_filename += '~';
rename(filename.data(),backup_filename.data());
}
if( !file.open( IO_WriteOnly | IO_Truncate )) {
rename(backup_filename.data(),filename.data());
QMessageBox::message("Sorry","Could not save the document\n","OK");
return KEDIT_OS_ERROR;
}
emit saving();
mykapp->processEvents();
QTextStream t(&file);
int line_count = numLines();
for(int i = 0 ; i < line_count ; i++){
t << textLine(i) << '\n';
}
modified = FALSE;
file.close();
return KEDIT_OK;
}
int KEdit::saveAs()
{
QFileDialog *box;
QFileInfo info;
QString tmpfilename;
int result;
box = new QFileDialog( this, "box", TRUE);
box->setCaption("Save Document As");
try_again:
box->show();
if (!box->result())
{
delete box;
return KEDIT_USER_CANCEL;
}
if(box->selectedFile().isEmpty()){
delete box;
return KEDIT_USER_CANCEL;
}
info.setFile(box->selectedFile());
if(info.exists()){
if(!(QMessageBox::query("Warning:",
"A Document with this Name exists already\n"\
"Do you want to overwrite it ?")))
goto try_again;
}
tmpfilename = filename;
filename = box->selectedFile();
// we need this for saveFile();
modified = TRUE;
delete box;
result = saveFile();
if( result != KEDIT_OK)
filename = tmpfilename; // revert filename
return result;
}
int KEdit::doSave()
{
int result = 0;
if(filename == "Untitled") {
result = saveAs();
if(result == KEDIT_OK)
setCaption(filename);
return result;
}
QFileInfo info(filename);
if(!info.isWritable()){
QMessageBox::message("Sorry:",
"You do not have write permission to this file.\n","OK");
return KEDIT_NOPERMISSIONS;
}
result = saveFile();
return result;
}
int KEdit::doSave( const char *_name ){
QString temp = filename;
filename = _name;
filename.detach();
int result = saveFile();
filename = temp;
filename.detach();
return result;
}
void KEdit::setName( const char *_name ){
filename = _name;
filename.detach();
}
QString KEdit::getName(){
return filename;
}
void KEdit::saveBackupCopy(bool par){
make_backup_copies = par;
}
void KEdit::selectFont(){
QFont font = this->font();
KFontDialog::getFont(font);
this->setFont(font);
}
void KEdit::setModified(){
modified = TRUE;
}
void KEdit::toggleModified( bool _mod ){
modified = _mod;
}
bool KEdit::isModified(){
return modified;
}
void KEdit::setContextSens(){
}
bool KEdit::eventFilter(QObject *o, QEvent *ev){
static QPoint tmp_point;
(void) o;
if(ev->type() != Event_MouseButtonPress)
return FALSE;
QMouseEvent *e = (QMouseEvent *)ev;
if(e->button() != RightButton)
return FALSE;
tmp_point = QCursor::pos();
if(rb_popup)
rb_popup->popup(tmp_point);
return TRUE;
}
QString KEdit::markedText(){
return QMultiLineEdit::markedText();
}
void KEdit::doGotoLine() {
if( !gotodialog )
gotodialog = new KEdGotoLine( this, "gotodialog" );
this->clearFocus();
gotodialog->show();
// this seems to be not necessary
// gotodialog->setFocus();
if( gotodialog->result() ) {
setCursorPosition( gotodialog->getLineNumber() , 0, FALSE );
emit CursorPositionChanged();
setFocus();
}
}
//////////////////////////////////////////////////////////////////////////
//
// Find Methods
//
void KEdit::Search(){
if(!srchdialog){
srchdialog = new KEdSrch(this, "searchdialog");
connect(srchdialog,SIGNAL(search_signal()),this,SLOT(search_slot()));
connect(srchdialog,SIGNAL(search_done_signal()),this,SLOT(searchdone_slot()));
}
// If we already searched / replaced something before make sure it shows
// up in the find dialog line-edit.
QString string;
string = srchdialog->getText();
if(string.isEmpty())
srchdialog->setText(pattern);
this->deselect();
last_search = NONE;
this->clearFocus();
srchdialog->show();
srchdialog->result();
}
void KEdit::search_slot(){
int line, col;
if (!srchdialog)
return;
QString to_find_string = srchdialog->getText();
getCursorPosition(&line,&col);
// srchdialog->get_direction() is true if searching backward
if (last_search != NONE && srchdialog->get_direction()){
col = col - pattern.length() - 1 ;
}
again:
int result = doSearch(to_find_string, srchdialog->case_sensitive(),
FALSE, (!srchdialog->get_direction()),line,col);
if(result == 0){
if(!srchdialog->get_direction()){ // forward search
int query = QMessageBox::query("Find", "End of document reached.\n"\
"Continue from the beginning?", "Yes","No");
if (query){
line = 0;
col = 0;
goto again;
}
}
else{ //backward search
int query = QMessageBox::query("Find", "Beginning of document reached.\n"\
"Continue from the end?", "Yes","No");
if (query){
QString string = textLine( numLines() - 1 );
line = numLines() - 1;
col = string.length();
last_search = BACKWARD;
goto again;
}
}
}
else{
emit CursorPositionChanged();
}
}
void KEdit::searchdone_slot(){
if (!srchdialog)
return;
srchdialog->hide();
this->setFocus();
last_search = NONE;
}
int KEdit::doSearch(QString s_pattern, bool case_sensitive,
bool wildcard, bool forward, int line, int col){
(void) wildcard; // reserved for possible extension to regex
int i, length;
int pos = -1;
if(forward){
QString string;
for(i = line; i < numLines(); i++) {
string = textLine(i);
pos = string.find(s_pattern, i == line ? col : 0, case_sensitive);
if( pos != -1){
length = s_pattern.length();
setCursorPosition(i,pos,FALSE);
for(int l = 0 ; l < length; l++){
cursorRight(TRUE);
}
setCursorPosition( i , pos + length, TRUE );
pattern = s_pattern;
last_search = FORWARD;
return 1;
}
}
}
else{ // searching backwards
QString string;
for(i = line; i >= 0; i--) {
string = textLine(i);
int line_length = string.length();
pos = string.findRev(s_pattern, line == i ? col : line_length , case_sensitive);
if (pos != -1){
length = s_pattern.length();
if( ! (line == i && pos > col ) ){
setCursorPosition(i ,pos ,FALSE );
for(int l = 0 ; l < length; l++){
cursorRight(TRUE);
}
setCursorPosition(i ,pos + length ,TRUE );
pattern = s_pattern;
last_search = BACKWARD;
return 1;
}
}
}
}
return 0;
}
int KEdit::repeatSearch() {
if(!srchdialog)
return 0;
if(pattern.isEmpty()) // there wasn't a previous search
return 0;
search_slot();
this->setFocus();
return 1;
}
//////////////////////////////////////////////////////////////////////////
//
// Replace Methods
//
void KEdit::Replace(){
if(!replace_dialog){
replace_dialog = new KEdReplace(this, "replace_dialog");
connect(replace_dialog,SIGNAL(find_signal()),this,SLOT(replace_search_slot()));
connect(replace_dialog,SIGNAL(replace_signal()),this,SLOT(replace_slot()));
connect(replace_dialog,SIGNAL(replace_all_signal()),this,SLOT(replace_all_slot()));
connect(replace_dialog,SIGNAL(replace_done_signal()),this,SLOT(replacedone_slot()));
}
QString string = replace_dialog->getText();
if(string.isEmpty())
replace_dialog->setText(pattern);
this->deselect();
last_replace = NONE;
this->clearFocus();
// replace_dialog->setFocus();
// replace_dialog->exec();
replace_dialog->show();
replace_dialog->result();
}
void KEdit::replace_slot(){
if (!replace_dialog)
return;
if(!can_replace){
QApplication::beep();
return;
}
int line,col, length;
QString string = replace_dialog->getReplaceText();
length = string.length();
this->cut();
getCursorPosition(&line,&col);
insertAt(string,line,col);
setModified();
can_replace = FALSE;
setCursorPosition(line,col);
for( int k = 0; k < length; k++){
cursorRight(TRUE);
}
}
void KEdit::replace_all_slot(){
if (!replace_dialog)
return;
QString to_find_string = replace_dialog->getText();
getCursorPosition(&replace_all_line,&replace_all_col);
// replace_dialog->get_direction() is true if searching backward
if (last_replace != NONE && replace_dialog->get_direction()){
replace_all_col = replace_all_col - pattern.length() - 1 ;
}
deselect();
again:
setAutoUpdate(FALSE);
int result = 1;
while(result){
result = doReplace(to_find_string, replace_dialog->case_sensitive(),
FALSE, (!replace_dialog->get_direction()),
replace_all_line,replace_all_col,TRUE);
}
setAutoUpdate(TRUE);
update();
if(!replace_dialog->get_direction()){ // forward search
int query = QMessageBox::query("Find", "End of document reached.\n"\
"Continue from the beginning?", "Yes","No");
if (query){
replace_all_line = 0;
replace_all_col = 0;
goto again;
}
}
else{ //backward search
int query = QMessageBox::query("Find", "Beginning of document reached.\n"\
"Continue from the end?", "Yes","No");
if (query){
QString string = textLine( numLines() - 1 );
replace_all_line = numLines() - 1;
replace_all_col = string.length();
last_replace = BACKWARD;
goto again;
}
}
emit CursorPositionChanged();
}
void KEdit::replace_search_slot(){
int line, col;
if (!replace_dialog)
return;
QString to_find_string = replace_dialog->getText();
getCursorPosition(&line,&col);
// replace_dialog->get_direction() is true if searching backward
//printf("col %d length %d\n",col, pattern.length());
if (last_replace != NONE && replace_dialog->get_direction()){
col = col - pattern.length() -1;
if (col < 0 ) {
if(line !=0){
col = strlen(textLine(line - 1));
line --;
}
else{
int query = QMessageBox::query("Find", "Beginning of document reached.\n"\
"Continue from the end?", "Yes","No");
if (query){
QString string = textLine( numLines() - 1 );
line = numLines() - 1;
col = string.length();
last_replace = BACKWARD;
}
}
}
}
again:
// printf("Col %d \n",col);
int result = doReplace(to_find_string, replace_dialog->case_sensitive(),
FALSE, (!replace_dialog->get_direction()), line, col, FALSE );
if(result == 0){
if(!replace_dialog->get_direction()){ // forward search
int query = QMessageBox::query("Find", "End of document reached.\n"\
"Continue from the beginning?", "Yes","No");
if (query){
line = 0;
col = 0;
goto again;
}
}
else{ //backward search
int query = QMessageBox::query("Find", "Beginning of document reached.\n"\
"Continue from the end?", "Yes","No");
if (query){
QString string = textLine( numLines() - 1 );
line = numLines() - 1;
col = string.length();
last_replace = BACKWARD;
goto again;
}
}
}
else{
emit CursorPositionChanged();
}
}
void KEdit::replacedone_slot(){
if (!replace_dialog)
return;
replace_dialog->hide();
// replace_dialog->clearFocus();
this->setFocus();
last_replace = NONE;
can_replace = FALSE;
}
int KEdit::doReplace(QString s_pattern, bool case_sensitive,
bool wildcard, bool forward, int line, int col, bool replace_all){
(void) wildcard; // reserved for possible extension to regex
int line_counter, length;
int pos = -1;
QString string;
QString stringnew;
QString replacement;
replacement = replace_dialog->getReplaceText();
line_counter = line;
replace_all_col = col;
if(forward){
int num_lines = numLines();
while (line_counter < num_lines){
string = "";
string = textLine(line_counter);
if (replace_all){
pos = string.find(s_pattern, replace_all_col, case_sensitive);
}
else{
pos = string.find(s_pattern, line_counter == line ? col : 0, case_sensitive);
}
if (pos == -1 ){
line_counter ++;
replace_all_col = 0;
replace_all_line = line_counter;
}
if( pos != -1){
length = s_pattern.length();
if(replace_all){ // automatic
stringnew = string.copy();
stringnew.replace(pos,length,replacement);
removeLine(line_counter);
insertLine(stringnew.data(),line_counter);
replace_all_col = replace_all_col + replacement.length();
replace_all_line = line_counter;
setModified();
}
else{ // interactive
setCursorPosition( line_counter , pos, FALSE );
for(int l = 0 ; l < length; l++){
cursorRight(TRUE);
}
setCursorPosition( line_counter , pos + length, TRUE );
pattern = s_pattern;
last_replace = FORWARD;
can_replace = TRUE;
return 1;
}
}
}
}
else{ // searching backwards
while(line_counter >= 0){
string = "";
string = textLine(line_counter);
int line_length = string.length();
if( replace_all ){
pos = string.findRev(s_pattern, replace_all_col , case_sensitive);
}
else{
pos = string.findRev(s_pattern,
line == line_counter ? col : line_length , case_sensitive);
}
if (pos == -1 ){
line_counter --;
if(line_counter >= 0){
string = "";
string = textLine(line_counter);
replace_all_col = string.length();
}
replace_all_line = line_counter;
}
if (pos != -1){
length = s_pattern.length();
if(replace_all){ // automatic
stringnew = string.copy();
stringnew.replace(pos,length,replacement);
removeLine(line_counter);
insertLine(stringnew.data(),line_counter);
replace_all_col = replace_all_col - replacement.length();
replace_all_line = line_counter;
setModified();
}
else{ // interactive
// printf("line_counter %d pos %d col %d\n",line_counter, pos,col);
if( ! (line == line_counter && pos > col ) ){
setCursorPosition(line_counter ,pos ,FALSE );
for(int l = 0 ; l < length; l++){
cursorRight(TRUE);
}
setCursorPosition(line_counter ,pos + length ,TRUE );
pattern = s_pattern;
last_replace = BACKWARD;
can_replace = TRUE;
return 1;
}
}
}
}
}
return 0;
}
////////////////////////////////////////////////////////////////////
//
// Find Dialog
//
KEdSrch::KEdSrch(QWidget *parent, const char *name)
: QDialog(parent, name,TRUE){
this->setFocusPolicy(QWidget::StrongFocus);
frame1 = new QGroupBox("Find", this, "frame1");
value = new QLineEdit( this, "value");
value->setFocus();
connect(value, SIGNAL(returnPressed()), this, SLOT(ok_slot()));
sensitive = new QCheckBox("Case Sensitive", this, "case");
direction = new QCheckBox("Find Backwards", this, "direction");
ok = new QPushButton("Find", this, "find");
connect(ok, SIGNAL(clicked()), this, SLOT(ok_slot()));
cancel = new QPushButton("Done", this, "cancel");
connect(cancel, SIGNAL(clicked()), this, SLOT(done_slot()));
// connect(cancel, SIGNAL(clicked()), this, SLOT(reject()));
setFixedSize(330, 130);
}
void KEdSrch::focusInEvent( QFocusEvent *)
{
value->setFocus();
//value->selectAll();
}
QString KEdSrch::getText() { return value->text(); }
void KEdSrch::setText(QString string){
value->setText(string);
}
void KEdSrch::done_slot(){
emit search_done_signal();
}
bool KEdSrch::case_sensitive(){
return sensitive->isChecked();
}
bool KEdSrch::get_direction(){
return direction->isChecked();
}
void KEdSrch::ok_slot(){
QString text;
text = value->text();
if (!text.isEmpty())
emit search_signal();
}
void KEdSrch::resizeEvent(QResizeEvent *){
frame1->setGeometry(5, 5, width() - 10, 80);
cancel->setGeometry(width() - 80, height() - 30, 70, 25);
ok->setGeometry(10, height() - 30, 70, 25);
value->setGeometry(20, 25, width() - 40, 25);
sensitive->setGeometry(20, 55, 110, 25);
direction->setGeometry(width()- 20 - 130, 55, 130, 25);
}
////////////////////////////////////////////////////////////////////
//
// Replace Dialog
//
KEdReplace::KEdReplace(QWidget *parent, const char *name)
: QDialog(parent, name,TRUE){
this->setFocusPolicy(QWidget::StrongFocus);
frame1 = new QGroupBox("Find:", this, "frame1");
value = new QLineEdit( this, "value");
value->setFocus();
connect(value, SIGNAL(returnPressed()), this, SLOT(ok_slot()));
replace_value = new QLineEdit( this, "replac_value");
connect(replace_value, SIGNAL(returnPressed()), this, SLOT(ok_slot()));
label = new QLabel(this,"Rlabel");
label->setText("Replace with:");
sensitive = new QCheckBox("Case Sensitive", this, "case");
sensitive->setChecked(TRUE);
direction = new QCheckBox("Find Backwards", this, "direction");
ok = new QPushButton("Find", this, "find");
connect(ok, SIGNAL(clicked()), this, SLOT(ok_slot()));
replace = new QPushButton("Replace", this, "rep");
connect(replace, SIGNAL(clicked()), this, SLOT(replace_slot()));
replace_all = new QPushButton("Replace All", this, "repall");
connect(replace_all, SIGNAL(clicked()), this, SLOT(replace_all_slot()));
cancel = new QPushButton("Done", this, "cancel");
connect(cancel, SIGNAL(clicked()), this, SLOT(done_slot()));
setFixedSize(330, 180);
}
void KEdReplace::focusInEvent( QFocusEvent *){
value->setFocus();
// value->selectAll();
}
QString KEdReplace::getText() { return value->text(); }
QString KEdReplace::getReplaceText() { return replace_value->text(); }
void KEdReplace::setText(QString string) {
value->setText(string);
}
void KEdReplace::done_slot(){
emit replace_done_signal();
}
void KEdReplace::replace_slot(){
emit replace_signal();
}
void KEdReplace::replace_all_slot(){
emit replace_all_signal();
}
bool KEdReplace::case_sensitive(){
return sensitive->isChecked();
}
bool KEdReplace::get_direction(){
return direction->isChecked();
}
void KEdReplace::ok_slot(){
QString text;
text = value->text();
if (!text.isEmpty())
emit find_signal();
}
void KEdReplace::resizeEvent(QResizeEvent *){
frame1->setGeometry(5, 5, width() - 10, 135);
cancel->setGeometry(width() - 80, height() - 30, 70, 25);
ok->setGeometry(10, height() - 30, 70, 25);
replace->setGeometry(85, height() - 30, 70, 25);
replace_all->setGeometry(160, height() - 30, 85, 25);
value->setGeometry(20, 25, width() - 40, 25);
replace_value->setGeometry(20, 80, width() - 40, 25);
label->setGeometry(20,55,80,20);
sensitive->setGeometry(20, 110, 110, 25);
direction->setGeometry(width()- 20 - 130, 110, 130, 25);
}
void KEdGotoLine::selected(int)
{
accept();
}
KEdGotoLine::KEdGotoLine( QWidget *parent, const char *name)
: QDialog( parent, name, TRUE )
{
frame = new QGroupBox( "Goto Line", this );
lineNum = new KIntLineEdit( this );
this->setFocusPolicy( QWidget::StrongFocus );
connect(lineNum, SIGNAL(returnPressed()), this, SLOT(accept()));
ok = new QPushButton("Go", this );
cancel = new QPushButton("Cancel", this );
connect(cancel, SIGNAL(clicked()), this, SLOT(reject()));
connect(ok, SIGNAL(clicked()), this, SLOT(accept()));
resize(300, 120);
}
void KEdGotoLine::resizeEvent(QResizeEvent *)
{
frame->setGeometry(5, 5, width() - 10, 80);
cancel->setGeometry(width() - 80, height() - 30, 70, 25);
ok->setGeometry(10, height() - 30, 70, 25);
lineNum->setGeometry(20, 35, width() - 40, 25);
}
void KEdGotoLine::focusInEvent( QFocusEvent *)
{
lineNum->setFocus();
lineNum->selectAll();
}
int KEdGotoLine::getLineNumber()
{
return lineNum->getValue();
}