void MyMdiArea::addSubWindow(MyMdiSubWindow* window)
{
Q_ASSERT(subWindows_.contains(window) == false);
currentWidget_->hide();
layout_->removeWidget(currentWidget_);
layout_->addWidget(window);
window->show();
currentWidget_ = window;
bool blocked = tabBar_->blockSignals(true);
tabBar_->addTab(tabText(window));
tabBar_->setCurrentIndex(tabBar_->count() - 1);
tabBar_->blockSignals(blocked);
QWidget* left = tabBar_->tabButton(tabBar_->count() - 1, QTabBar::LeftSide);
QWidget* right = tabBar_->tabButton(tabBar_->count() - 1, QTabBar::RightSide);
subWindows_.append(window);
connect(window, SIGNAL(windowTitleChanged(const QString&)), this, SLOT(onWindowModified()));
connect(window, SIGNAL(modifiedChanged(bool)), this, SLOT(onWindowModified()));
connect(window, SIGNAL(destroyed(QObject*)), this, SLOT(onDestroyed(QObject*)));
emit subWindowActivated(activeSubWindow());
}
void MyMdiArea::onCurrentChanged(int index)
{
currentWidget_->hide();
layout_->removeWidget(currentWidget_);
currentWidget_ = subWindows_[index];
layout_->addWidget(currentWidget_);
currentWidget_->show();
emit subWindowActivated(activeSubWindow());
}
void CWindowStack::removeSubWindow(QWidget *sw)
{
int index=subWindowList.indexOf(sw);
if (index>-1)
{
sw->disconnect();
subWindowList.removeAt(index);
delete sw;
activeIndex=-1;
}
if (subWindowList.count()) setActiveSubWindow(subWindowList.first());
emit subWindowActivated(0);
}
QWidget* CWindowStack::closeSubWindow(QWidget *sw)
{
if (subWindowList.count()<2) return sw;
int index=subWindowList.indexOf(sw);
if (index>-1)
{
if (!sw->close()) return sw;
sw->disconnect();
subWindowList.removeAt(index);
delete sw;
activeIndex=-1;
if (subWindowList.count()) return setActiveSubWindow(subWindowList.first());
emit subWindowActivated(0);
return 0;
}
return sw;
}
void MyMdiArea::removeFromTab(MyMdiSubWindow* window)
{
int index = subWindows_.indexOf(window);
if (index >= 0)
{
subWindows_.removeAt(index);
bool blocked = tabBar_->blockSignals(true);
tabBar_->removeTab(index);
tabBar_->blockSignals(blocked);
layout_->removeWidget(window);
currentWidget_ = (tabBar_->count() == 0) ? emptyWidget_ : subWindows_[tabBar_->currentIndex()];
layout_->addWidget(currentWidget_);
currentWidget_->show();
emit subWindowActivated(activeSubWindow());
}
}
QWidget* CWindowStack::setActiveSubWindow(QWidget *sw)
{
int index=subWindowList.indexOf(sw);
if (index>-1)
{
activeIndex=index;
for (int i=0;i<subWindowList.count();i++)
{
subWindowList[i]->disconnect();
if (i != index)
{
subWindowList[i]->setVisible(false);
subWindowList[i]->blockSignals(true);
subWindowList[i]->setEnabled(false);
}
}
sw->setVisible(true);
sw->blockSignals(false);
sw->setEnabled(true);
emit subWindowActivated(sw);
}
return sw;
}