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#include "QtChatTabs.h"
#include <QCloseEvent>
#include <QtGlobal>
#include <QTabWidget>
#include <QLayout>
namespace Swift {
QtChatTabs::QtChatTabs() : QWidget() {
tabs_ = new QTabWidget(this);
#if QT_VERSION >= 0x040500
/*For Macs, change the tab rendering.*/
tabs_->setDocumentMode(true);
/*Closable tabs are only in Qt4.5 and later*/
tabs_->setTabsClosable(true);
connect(tabs_, SIGNAL(tabCloseRequested(int)), this, SLOT(handleTabCloseRequested(int)));
#endif
QVBoxLayout *layout = new QVBoxLayout;
layout->setSpacing(0);
layout->setContentsMargins(0, 3, 0, 0);
layout->addWidget(tabs_);
setLayout(layout);
resize(400, 300);
}
void QtChatTabs::closeEvent(QCloseEvent* event) {
//Hide first to prevent flickering as each tab is removed.
hide();
for (int i = tabs_->count() - 1; i >= 0; i--) {
tabs_->removeTab(i);
}
event->accept();
}
void QtChatTabs::addTab(QtTabbable* tab) {
tabs_->addTab(tab, tab->windowTitle());
connect(tab, SIGNAL(titleUpdated()), this, SLOT(handleTabTitleUpdated()));
connect(tab, SIGNAL(windowClosing()), this, SLOT(handleTabClosing()));
connect(tab, SIGNAL(windowOpening()), this, SLOT(handleWidgetShown()));
connect(tab, SIGNAL(wantsToActivate()), this, SLOT(handleWantsToActivate()));
}
void QtChatTabs::handleWidgetShown() {
QtTabbable* widget = qobject_cast<QtTabbable*>(sender());
if (!widget) {
return;
}
if (tabs_->indexOf(widget) >= 0) {
widget->setFocus();
return;
}
addTab(widget);
show();
}
void QtChatTabs::handleWantsToActivate() {
QtTabbable* widget = qobject_cast<QtTabbable*>(sender());
Q_ASSERT(widget);
Q_ASSERT(tabs_->indexOf(widget) >= 0);
//Un-minimize and bring to front.
setWindowState(windowState() & ~Qt::WindowMinimized);
setWindowState(windowState() | Qt::WindowActive);
tabs_->setCurrentWidget(widget);
activateWindow();
}
void QtChatTabs::handleTabClosing() {
QWidget* widget = qobject_cast<QWidget*>(sender());
if (!widget) {
return;
}
int index = tabs_->indexOf(widget);
if (index < 0) {
return;
}
tabs_->removeTab(index);
if (tabs_->count() == 0) {
hide();
}
}
void QtChatTabs::handleTabCloseRequested(int index) {
QWidget* widget = tabs_->widget(index);
widget->close();
}
void QtChatTabs::handleTabTitleUpdated() {
QWidget* widget = qobject_cast<QWidget*>(sender());
if (!widget) {
return;
}
int index = tabs_->indexOf(widget);
if (index < 0) {
return;
}
tabs_->setTabText(index, widget->windowTitle());
if (widget == tabs_->currentWidget()) {
setWindowTitle(widget->windowTitle());
}
}
}
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Swift