File indexing completed on 2024-05-12 04:58:26

 /* ============================================================
 * Falkon - Qt web browser
 * Copyright (C) 2010-2017 David Rosca <nowrep@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * ============================================================ */
 #ifndef BUTTONWITHMENU_H
 #define BUTTONWITHMENU_H
 
 #include <QVariant>
 
 #include "toolbutton.h"
 #include "wheelhelper.h"
 
 // Only to be used in WebSearchBar
 class ButtonWithMenu : public ToolButton
 {
     Q_OBJECT
 public:
     struct Item {
         QString text;
         QIcon icon;
         QVariant userData;
 
         Item(const QString &a = QString(), const QIcon &b = QIcon()) {
             text = a;
             icon = b;
         }
 
         bool operator==(const Item &a) const {
             return (a.text == text) && (a.icon.pixmap(16).toImage() == icon.pixmap(16).toImage());
         }
 
         bool isEmpty() {
             return (text.isEmpty() &&  icon.isNull());
         }
 
         void clear() {
             text = QString();
             icon = QIcon();
             userData = QVariant();
         }
     };
 
     explicit ButtonWithMenu(QWidget* parent = nullptr);
     ~ButtonWithMenu() override;
 
     void addItem(const Item &item);
     void addItems(const QVector<Item> &items);
     void removeItem(const Item &item);
     void setCurrentItem(const Item &item, bool emitSignal = true);
     void setCurrentIndex(int index, bool emitSignal = true);
 
     Item currentItem();
     QVector<Item> allItems() { return m_items; }
     QMenu* menu() const;
 
 Q_SIGNALS:
     void activeItemChanged(const ButtonWithMenu::Item &item);
     void itemAdded(const ButtonWithMenu::Item &item);
     void itemRemoved(const ButtonWithMenu::Item &item);
 
 public Q_SLOTS:
     void clearItems();
 
     void selectNextItem();
     void selectPreviousItem();
 
 private Q_SLOTS:
     void setCurrentItem();
     void generateMenu();
 
 private:
     void mousePressEvent(QMouseEvent *event) override;
     void wheelEvent(QWheelEvent* event) override;
 
     QMenu* m_menu;
     QVector<Item> m_items;
     Item m_currentItem;
     WheelHelper m_wheelHelper;
 };
 
 // Hint to QVector to use std::realloc on item moving
 Q_DECLARE_TYPEINFO(ButtonWithMenu::Item, Q_MOVABLE_TYPE);
 
 Q_DECLARE_METATYPE(ButtonWithMenu::Item)
 
 #endif // BUTTONWITHMENU_H