SettingsDlg::SettingsDlg(QWidget *parent) : QDialog(parent) {
ui.setupUi(this);
+ _currentPage = 0;
+
+ //recommendedSize = layout()->minimumSize();
+
+ // make the scrollarea behave sanely
+ ui.settingsFrame->setWidgetResizable(true);
+ ui.settingsFrame->setWidget(ui.settingsStack);
+
+ updateGeometry();
- //ui.settingsFrame->setWidgetResizable(true);
- //ui.settingsFrame->setWidget(ui.settingsStack);
ui.settingsTree->setRootIsDecorated(false);
connect(ui.settingsTree, SIGNAL(itemSelectionChanged()), this, SLOT(itemSelected()));
connect(ui.buttonBox, SIGNAL(clicked(QAbstractButton *)), this, SLOT(buttonClicked(QAbstractButton *)));
}
+/*
+QSize SettingsDlg::sizeHint() const {
+ return recommendedSize;
+}
+*/
+
+SettingsPage *SettingsDlg::currentPage() const {
+ return _currentPage;
+}
void SettingsDlg::registerSettingsPage(SettingsPage *sp) {
sp->setParent(ui.settingsStack);
ui.settingsStack->addWidget(sp);
+ //recommendedSize = recommendedSize.expandedTo(sp->sizeHint());
+ //updateGeometry();
+ connect(sp, SIGNAL(changed(bool)), this, SLOT(setButtonStates()));
QTreeWidgetItem *cat;
QList<QTreeWidgetItem *> cats = ui.settingsTree->findItems(sp->category(), Qt::MatchExactly);
cat->setExpanded(true);
cat->setFlags(Qt::ItemIsEnabled);
} else cat = cats[0];
- new QTreeWidgetItem(cat, QStringList(sp->title()));
+ QTreeWidgetItem *item = new QTreeWidgetItem(cat, QStringList(sp->title()));
+ treeItems[sp] = item;
pages[QString("%1$%2").arg(sp->category(), sp->title())] = sp;
- updateGeometry();
+ sp->load();
// TESTING
selectPage(sp->category(), sp->title());
}
void SettingsDlg::selectPage(const QString &cat, const QString &title) {
- QWidget *w = pages[QString("%1$%2").arg(cat, title)];
- Q_ASSERT(w);
- ui.settingsStack->setCurrentWidget(w);
+ SettingsPage *sp = pages[QString("%1$%2").arg(cat, title)];
+ if(!sp) {
+ _currentPage = 0;
+ ui.settingsStack->setCurrentIndex(0);
+ ui.settingsTree->setCurrentItem(0);
+ return;
+ }
+ if(sp != currentPage() && currentPage() != 0 && currentPage()->hasChanged()) {
+ int ret = QMessageBox::warning(this, tr("Save changes"),
+ tr("There are unsaved changes on the current configuration page. Would you like to apply your changes now?"),
+ QMessageBox::Discard|QMessageBox::Save|QMessageBox::Cancel, QMessageBox::Cancel);
+ if(ret == QMessageBox::Save) {
+ if(!applyChanges()) sp = currentPage();
+ } else if(ret == QMessageBox::Discard) {
+ undoChanges();
+ } else sp = currentPage();
+ }
+ if(sp != currentPage()) {
+ ui.pageTitle->setText(sp->title());
+ ui.settingsStack->setCurrentWidget(sp);
+ ui.settingsStack->setMinimumSize(sp->minimumSizeHint()); // we don't want our page shrinked, use scrollbars instead...
+ _currentPage = sp;
+ }
+ ui.settingsTree->setCurrentItem(treeItems[sp]);
+ setButtonStates();
}
void SettingsDlg::itemSelected() {
QString cat = parent->text(0);
QString title = items[0]->text(0);
selectPage(cat, title);
- ui.pageTitle->setText(title);
}
}
+void SettingsDlg::setButtonStates() {
+ SettingsPage *sp = currentPage();
+ ui.buttonBox->button(QDialogButtonBox::Apply)->setEnabled(sp && sp->hasChanged());
+ ui.buttonBox->button(QDialogButtonBox::Reset)->setEnabled(sp && sp->hasChanged());
+ ui.buttonBox->button(QDialogButtonBox::RestoreDefaults)->setEnabled(sp && sp->hasDefaults());
+}
+
void SettingsDlg::buttonClicked(QAbstractButton *button) {
switch(ui.buttonBox->standardButton(button)) {
case QDialogButtonBox::Ok:
- applyChanges();
- accept();
+ if(currentPage() && currentPage()->hasChanged()) {
+ if(applyChanges()) accept();
+ } else accept();
break;
case QDialogButtonBox::Apply:
applyChanges();
break;
case QDialogButtonBox::Cancel:
+ undoChanges();
reject();
break;
case QDialogButtonBox::Reset:
}
}
-void SettingsDlg::applyChanges() {
- foreach(SettingsPage *page, pages.values()) {
- page->save();
+bool SettingsDlg::applyChanges() {
+ if(!currentPage()) return false;
+ if(currentPage()->aboutToSave()) {
+ currentPage()->save();
+ return true;
+ }
+ return false;
+}
+
+void SettingsDlg::undoChanges() {
+ if(currentPage()) {
+ currentPage()->load();
}
}
void SettingsDlg::reload() {
- SettingsPage *page = qobject_cast<SettingsPage *>(ui.settingsStack->currentWidget());
- if(page) page->load();
+ if(!currentPage()) return;
+ int ret = QMessageBox::question(this, tr("Reload Settings"), tr("Do you like to reload the settings, undoing your changes on this page?"),
+ QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
+ if(ret == QMessageBox::Yes) {
+ currentPage()->load();
+ }
}
void SettingsDlg::loadDefaults() {
- SettingsPage *page = qobject_cast<SettingsPage *>(ui.settingsStack->currentWidget());
- if(page) page->defaults();
+ if(!currentPage()) return;
+ int ret = QMessageBox::question(this, tr("Restore Defaults"), tr("Do you like to restore the default values for this page?"),
+ QMessageBox::RestoreDefaults|QMessageBox::Cancel, QMessageBox::Cancel);
+ if(ret == QMessageBox::RestoreDefaults) {
+ currentPage()->defaults();
+ }
}