#include #include "SubscribeToolButton.h" /* Use MenuButtonPopup, because the arrow of InstantPopup is too small */ #define USE_MENUBUTTONPOPUP SubscribeToolButton::SubscribeToolButton(QWidget *parent) : QToolButton(parent) { mSubscribed = false; setToolButtonStyle(Qt::ToolButtonTextBesideIcon); #ifdef USE_MENUBUTTONPOPUP connect(this, SIGNAL(clicked()), this, SLOT(subscribePrivate())); #endif updateUi(); } void SubscribeToolButton::setSubscribed(bool subscribed) { if (mSubscribed == subscribed) { return; } mSubscribed = subscribed; updateUi(); } void SubscribeToolButton::addSubscribedAction(QAction *action) { mSubscribedActions.push_back(action); } void SubscribeToolButton::updateUi() { if (mSubscribed) { #ifdef USE_MENUBUTTONPOPUP setPopupMode(QToolButton::MenuButtonPopup); #else setPopupMode(QToolButton::InstantPopup); #endif setIcon(QIcon(":/images/accepted16.png")); setText(tr("Subscribed")); QMenu *menu = new QMenu; menu->addAction(QIcon(":/images/cancel.png"), tr("Unsubscribe"), this, SLOT(unsubscribePrivate())); if (!mSubscribedActions.empty()) { menu->addSeparator(); menu->addActions(mSubscribedActions); } setMenu(menu); #ifndef USE_MENUBUTTONPOPUP disconnect(this, SIGNAL(clicked()), this, SLOT(subscribePrivate())); #endif } else { setPopupMode(QToolButton::DelayedPopup); setMenu(NULL); setIcon(QIcon(":/images/RSS_004_32.png")); setText(tr("Subscribe")); #ifndef USE_MENUBUTTONPOPUP connect(this, SIGNAL(clicked()), this, SLOT(subscribePrivate())); #endif } } void SubscribeToolButton::subscribePrivate() { if (menu()) { #ifdef USE_MENUBUTTONPOPUP showMenu(); #endif return; } emit subscribe(true); setSubscribed(true); } void SubscribeToolButton::unsubscribePrivate() { emit subscribe(false); setSubscribed(false); }