int main(int argc,char **argv)
{
QApplication app(argc,argv);
QPtrList<int> list;
for (int i=0;i<3;i++)
{
list.append(new int(i)); // 插入資料
}
list.first(); // 先跳到第一個元素
for (int i=0;i<3;i++,list.next())
{
cout << *(list.current()) << endl;
}
list.first();
list.next();
list.remove();
list.remove();
list.remove();
cout << *(list.current()) << endl;
// 由這一個例子可以知道,刪掉一個成員後,指標會跑到下一個.但若刪掉後沒有下一個時,指標會跑到前一個
return 0;
}
void QtCalculator::temp_stack_next(){
CALCAMNT *number;
if( temp_stack.current() == temp_stack.getLast()){
KNotifyClient::beep();
return;
}
number = temp_stack.next();
if(number == NULL){
KNotifyClient::beep();
return;
}
else{
// printf("Number: %Lg\n",*number);
last_input = RECALL;
DISPLAY_AMOUNT = *number;
UpdateDisplay();
}
}
void QXsldbgDoc::clearMarks(bool allMarkTypes)
{
if (locked)
return;
KTextEditor::MarkInterface *markIf = KTextEditor::markInterface(kDoc);
if (markIf){
if (!allMarkTypes){
QPtrList<KTextEditor::Mark> marks = markIf->marks();
while ( marks.current()) {
markIf->removeMark(marks.current()->line, KTextEditor::MarkInterface::Execution);
markIf->removeMark(marks.current()->line, KTextEditor::MarkInterface::BreakpointReached);
marks.next();
}
}else {
markIf->clearMarks();
}
}
}
// -----------------------------------------------------------------------
// Is called if the "Replace"-button is pressed.
void ChangeDialog::slotButtReplace()
{
Expr.setWildcard(true); // switch into wildcard mode
Expr.setPattern(CompNameEdit->text());
/* if(!Expr.isValid()) {
QMessageBox::critical(this, tr("Error"),
tr("Regular expression for component name is invalid."));
return;
}*/
// create dialog showing all found components
QDialog *Dia = new QDialog(this);
Dia->setCaption(tr("Found Components"));
QVBoxLayout *Dia_All = new QVBoxLayout(Dia);
Dia_All->setSpacing(3);
Dia_All->setMargin(5);
QScrollView *Dia_Scroll = new QScrollView(Dia);
Dia_Scroll->setMargin(5);
Dia_All->addWidget(Dia_Scroll);
QVBox *Dia_Box = new QVBox(Dia_Scroll->viewport());
Dia_Scroll->addChild(Dia_Box);
QLabel *Dia_Label = new QLabel(tr("Change properties of\n")
+ tr("these components ?"), Dia);
Dia_All->addWidget(Dia_Label);
QHBox *Dia_h = new QHBox(Dia);
Dia_h->setSpacing(5);
Dia_All->addWidget(Dia_h);
QPushButton *YesButton = new QPushButton(tr("Yes"), Dia_h);
connect(YesButton, SIGNAL(clicked()),
Dia, SLOT(accept()));
connect(new QPushButton(tr("Cancel"), Dia_h), SIGNAL(clicked()),
Dia, SLOT(reject()));
QPtrList<QCheckBox> pList;
QCheckBox *pb;
Component *pc;
QStringList List;
QString str;
int i1, i2;
// search through all components
for(pc = Doc->Components->first(); pc!=0; pc = Doc->Components->next()) {
if(matches(pc->Model)) {
if(Expr.search(pc->Name) >= 0)
for(Property *pp = pc->Props.first(); pp!=0; pp = pc->Props.next())
if(pp->Name == PropNameEdit->currentText()) {
pb = new QCheckBox(pc->Name, Dia_Box);
pList.append(pb);
pb->setChecked(true);
i1 = pp->Description.find('[');
if(i1 < 0) break; // no multiple-choice property
i2 = pp->Description.findRev(']');
if(i2-i1 < 2) break;
str = pp->Description.mid(i1+1, i2-i1-1);
str.replace( QRegExp("[^a-zA-Z0-9_,]"), "" );
List = List.split(',',str);
if(List.findIndex(NewValueEdit->text()) >= 0)
break; // property value is okay
pb->setChecked(false);
pb->setEnabled(false);
break;
}
}
}
QColor theColor;
if(pList.isEmpty()) {
YesButton->setEnabled(false);
theColor =
(new QLabel(tr("No match found!"), Dia_Box))->paletteBackgroundColor();
}
else theColor = pList.current()->paletteBackgroundColor();
Dia_Scroll->viewport()->setPaletteBackgroundColor(theColor);
Dia->resize(50, 300);
// show user all components found
int Result = Dia->exec();
if(Result != QDialog::Accepted) return;
bool changed = false;
// change property values
for(pb = pList.first(); pb!=0; pb = pList.next()) {
if(!pb->isChecked()) continue;
for(pc = Doc->Components->first(); pc!=0; pc = Doc->Components->next()) {
if(pb->text() != pc->Name) continue;
for(Property *pp = pc->Props.first(); pp!=0; pp = pc->Props.next()) {
if(pp->Name != PropNameEdit->currentText()) continue;
int tx_Dist, ty_Dist, tmp;
pc->textSize(tx_Dist, ty_Dist);
tmp = pc->tx+tx_Dist - pc->x1;
if((tmp > 0) || (tmp < -6)) tx_Dist = 0; // remember text position
tmp = pc->ty+ty_Dist - pc->y1;
if((tmp > 0) || (tmp < -6)) ty_Dist = 0;
pp->Value = NewValueEdit->text();
int dx, dy;
pc->textSize(dx, dy); // correct text position
if(tx_Dist != 0) {
pc->tx += tx_Dist-dx;
tx_Dist = dx;
}
if(ty_Dist != 0) {
pc->ty += ty_Dist-dy;
ty_Dist = dy;
}
// apply changes to schematic symbol
Doc->recreateComponent(pc);
changed = true;
break;
}
break;
}
}
delete Dia_All;
delete Dia;
if(changed) accept();
else reject();
}
