close buttons for tabs

cockatrice/src/tab.h

@@ -23,6 +23,7 @@ public:
 	void setContentsChanged(bool _contentsChanged) { contentsChanged = _contentsChanged; }
 	virtual QString getTabText() const = 0;
 	virtual void retranslateUi() = 0;
+	virtual void closeRequest() { }
 };
 
 #endif

cockatrice/src/tab_game.cpp

@@ -310,6 +310,11 @@ void TabGame::retranslateUi()
 	scene->retranslateUi();
 }
 
+void TabGame::closeRequest()
+{
+	actLeaveGame();
+}
+
 void TabGame::actConcede()
 {
 	if (QMessageBox::question(this, tr("Concede"), tr("Are you sure you want to concede this game?"), QMessageBox::Yes | QMessageBox::No, QMessageBox::No) != QMessageBox::Yes)
@@ -320,8 +325,9 @@ void TabGame::actConcede()
 
 void TabGame::actLeaveGame()
 {
-	if (QMessageBox::question(this, tr("Leave game"), tr("Are you sure you want to leave this game?"), QMessageBox::Yes | QMessageBox::No, QMessageBox::No) != QMessageBox::Yes)
-		return;
+	if (!spectator)
+		if (QMessageBox::question(this, tr("Leave game"), tr("Are you sure you want to leave this game?"), QMessageBox::Yes | QMessageBox::No, QMessageBox::No) != QMessageBox::Yes)
+			return;
 
 	sendGameCommand(new Command_LeaveGame);
 	deleteLater();

cockatrice/src/tab_game.h

@@ -161,6 +161,7 @@ public:
 	TabGame(TabSupervisor *_tabSupervisor, QList<AbstractClient *> &_clients, int _gameId, const QString &_gameDescription, int _localPlayerId, bool _spectator, bool _spectatorsCanTalk, bool _spectatorsSeeEverything, bool _resuming);
 	~TabGame();
 	void retranslateUi();
+	void closeRequest();
 	const QMap<int, Player *> &getPlayers() const { return players; }
 	CardItem *getCard(int playerId, const QString &zoneName, int cardId) const;
 	int getGameId() const { return gameId; }

cockatrice/src/tab_message.cpp

@@ -40,6 +40,11 @@ void TabMessage::retranslateUi()
 	aLeave->setText(tr("&Leave"));
 }
 
+void TabMessage::closeRequest()
+{
+	actLeave();
+}
+
 void TabMessage::sendMessage()
 {
 	if (sayEdit->text().isEmpty() || !userOnline)

cockatrice/src/tab_message.h

@@ -30,6 +30,7 @@ public:
 	TabMessage(TabSupervisor *_tabSupervisor, AbstractClient *_client, const QString &_ownName, const QString &_userName);
 	~TabMessage();
 	void retranslateUi();
+	void closeRequest();
 	QString getUserName() const { return userName; }
 	QString getTabText() const { return tr("Talking to %1").arg(userName); }
 

cockatrice/src/tab_room.cpp

@@ -193,6 +193,11 @@ void TabRoom::retranslateUi()
 	aLeaveRoom->setText(tr("&Leave room"));
 }
 
+void TabRoom::closeRequest()
+{
+	actLeaveRoom();
+}
+
 QString TabRoom::sanitizeHtml(QString dirty) const
 {
 	return dirty

cockatrice/src/tab_room.h

@@ -84,6 +84,7 @@ public:
 	TabRoom(TabSupervisor *_tabSupervisor, AbstractClient *_client, const QString &_ownName, ServerInfo_Room *info);
 	~TabRoom();
 	void retranslateUi();
+	void closeRequest();
 	void processRoomEvent(RoomEvent *event);
 	int getRoomId() const { return roomId; }
 	const QMap<int, QString> &getGameTypes() const { return gameTypes; }

cockatrice/src/tab_supervisor.cpp

@@ -11,8 +11,60 @@
 #include "protocol_items.h"
 #include "pixmapgenerator.h"
 #include <QDebug>
+#include <QPainter>
 
-TabSupervisor::	TabSupervisor(QWidget *parent)
+CloseButton::CloseButton(QWidget *parent)
+	: QAbstractButton(parent)
+{
+	setFocusPolicy(Qt::NoFocus);
+	setCursor(Qt::ArrowCursor);
+	resize(sizeHint());
+}
+
+QSize CloseButton::sizeHint() const
+{
+	ensurePolished();
+	int width = style()->pixelMetric(QStyle::PM_TabCloseIndicatorWidth, 0, this);
+	int height = style()->pixelMetric(QStyle::PM_TabCloseIndicatorHeight, 0, this);
+	return QSize(width, height);
+}
+
+void CloseButton::enterEvent(QEvent *event)
+{
+	update();
+	QAbstractButton::enterEvent(event);
+}
+
+void CloseButton::leaveEvent(QEvent *event)
+{
+	update();
+	QAbstractButton::leaveEvent(event);
+}
+
+void CloseButton::paintEvent(QPaintEvent * /*event*/)
+{
+	QPainter p(this);
+	QStyleOption opt;
+	opt.init(this);
+	opt.state |= QStyle::State_AutoRaise;
+	if (isEnabled() && underMouse() && !isChecked() && !isDown())
+		opt.state |= QStyle::State_Raised;
+	if (isChecked())
+		opt.state |= QStyle::State_On;
+	if (isDown())
+		opt.state |= QStyle::State_Sunken;
+	
+	if (const QTabBar *tb = qobject_cast<const QTabBar *>(parent())) {
+		int index = tb->currentIndex();
+		QTabBar::ButtonPosition position = (QTabBar::ButtonPosition) style()->styleHint(QStyle::SH_TabBar_CloseButtonPosition, 0, tb);
+		if (tb->tabButton(index, position) == this)
+			opt.state |= QStyle::State_Selected;
+	}
+	
+	style()->drawPrimitive(QStyle::PE_IndicatorTabClose, &opt, &p, this);
+}
+
+TabSupervisor::TabSupervisor(QWidget *parent)
 	: QTabWidget(parent), client(0), tabServer(0), tabDeckStorage(0), tabAdmin(0)
 {
 	tabChangedIcon = new QIcon(":/resources/icon_tab_changed.svg");
@@ -47,10 +99,10 @@ void TabSupervisor::retranslateUi()
 	}
 }
 
-void TabSupervisor::myAddTab(Tab *tab)
+int TabSupervisor::myAddTab(Tab *tab)
 {
 	connect(tab, SIGNAL(userEvent()), this, SLOT(tabUserEvent()));
-	addTab(tab, tab->getTabText());
+	return addTab(tab, tab->getTabText());
 }
 
 void TabSupervisor::start(AbstractClient *_client, ServerInfo_User *userInfo)
@@ -152,12 +204,28 @@ void TabSupervisor::updatePingTime(int value, int max)
 	setTabIcon(0, QIcon(PingPixmapGenerator::generatePixmap(15, value, max)));
 }
 
+void TabSupervisor::closeButtonPressed()
+{
+	Tab *tab = static_cast<Tab *>(static_cast<CloseButton *>(sender())->property("tab").value<QObject *>());
+	tab->closeRequest();
+}
+
+void TabSupervisor::addCloseButtonToTab(Tab *tab, int tabIndex)
+{
+	QTabBar::ButtonPosition closeSide = (QTabBar::ButtonPosition) tabBar()->style()->styleHint(QStyle::SH_TabBar_CloseButtonPosition, 0, tabBar());
+	CloseButton *closeButton = new CloseButton;
+	connect(closeButton, SIGNAL(clicked()), this, SLOT(closeButtonPressed()));
+	closeButton->setProperty("tab", qVariantFromValue((QObject *) tab));
+	tabBar()->setTabButton(tabIndex, closeSide, closeButton);
+}
+
 void TabSupervisor::gameJoined(Event_GameJoined *event)
 {
 	TabGame *tab = new TabGame(this, QList<AbstractClient *>() << client, event->getGameId(), event->getGameDescription(), event->getPlayerId(), event->getSpectator(), event->getSpectatorsCanTalk(), event->getSpectatorsSeeEverything(), event->getResuming());
 	connect(tab, SIGNAL(gameClosing(TabGame *)), this, SLOT(gameLeft(TabGame *)));
 	connect(tab, SIGNAL(openMessageDialog(const QString &, bool)), this, SLOT(addMessageTab(const QString &, bool)));
-	myAddTab(tab);
+	int tabIndex = myAddTab(tab);
+	addCloseButtonToTab(tab, tabIndex);
 	gameTabs.insert(event->getGameId(), tab);
 	setCurrentWidget(tab);
 }
@@ -166,7 +234,8 @@ void TabSupervisor::localGameJoined(Event_GameJoined *event)
 {
 	TabGame *tab = new TabGame(this, localClients, event->getGameId(), event->getGameDescription(), event->getPlayerId(), event->getSpectator(), event->getSpectatorsCanTalk(), event->getSpectatorsSeeEverything(), event->getResuming());
 	connect(tab, SIGNAL(gameClosing(TabGame *)), this, SLOT(gameLeft(TabGame *)));
-	myAddTab(tab);
+	int tabIndex = myAddTab(tab);
+	addCloseButtonToTab(tab, tabIndex);
 	gameTabs.insert(event->getGameId(), tab);
 	setCurrentWidget(tab);
 	
@@ -192,7 +261,8 @@ void TabSupervisor::addRoomTab(ServerInfo_Room *info, bool setCurrent)
 	TabRoom *tab = new TabRoom(this, client, userName, info);
 	connect(tab, SIGNAL(roomClosing(TabRoom *)), this, SLOT(roomLeft(TabRoom *)));
 	connect(tab, SIGNAL(openMessageDialog(const QString &, bool)), this, SLOT(addMessageTab(const QString &, bool)));
-	myAddTab(tab);
+	int tabIndex = myAddTab(tab);
+	addCloseButtonToTab(tab, tabIndex);
 	roomTabs.insert(info->getRoomId(), tab);
 	if (setCurrent)
 		setCurrentWidget(tab);
@@ -213,7 +283,8 @@ TabMessage *TabSupervisor::addMessageTab(const QString &receiverName, bool focus
 	
 	TabMessage *tab = new TabMessage(this, client, userName, receiverName);
 	connect(tab, SIGNAL(talkClosing(TabMessage *)), this, SLOT(talkLeft(TabMessage *)));
-	myAddTab(tab);
+	int tabIndex = myAddTab(tab);
+	addCloseButtonToTab(tab, tabIndex);
 	messageTabs.insert(receiverName, tab);
 	if (focus)
 		setCurrentWidget(tab);

cockatrice/src/tab_supervisor.h

@@ -3,6 +3,7 @@
 
 #include <QTabWidget>
 #include <QMap>
+#include <QAbstractButton>
 
 class QMenu;
 class AbstractClient;
@@ -21,6 +22,18 @@ class Event_Message;
 class ServerInfo_Room;
 class ServerInfo_User;
 
+class CloseButton : public QAbstractButton {
+	Q_OBJECT
+public:
+	CloseButton(QWidget *parent = 0);
+	QSize sizeHint() const;
+	inline QSize minimumSizeHint() const { return sizeHint(); }
+protected:
+	void enterEvent(QEvent *event);
+	void leaveEvent(QEvent *event);
+	void paintEvent(QPaintEvent *event);
+};
+
 class TabSupervisor : public QTabWidget {
 	Q_OBJECT
 private:
@@ -36,7 +49,8 @@ private:
 	QMap<int, TabRoom *> roomTabs;
 	QMap<int, TabGame *> gameTabs;
 	QMap<QString, TabMessage *> messageTabs;
-	void myAddTab(Tab *tab);
+	int myAddTab(Tab *tab);
+	void addCloseButtonToTab(Tab *tab, int tabIndex);
 public:
 	TabSupervisor(QWidget *parent = 0);
 	~TabSupervisor();
@@ -52,6 +66,7 @@ signals:
 	void setMenu(QMenu *menu);
 	void localGameEnded();
 private slots:
+	void closeButtonPressed();
 	void updateCurrent(int index);
 	void updatePingTime(int value, int max);
 	void gameJoined(Event_GameJoined *event);