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falkonOfficial/src/lib/tools/buttonwithmenu.h

99 lines
2.7 KiB
C++

/* ============================================================
* QupZilla - WebKit based browser
* Copyright (C) 2010-2014 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 "qzcommon.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) {
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 = 0);
~ButtonWithMenu();
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;
signals:
void activeItemChanged(const ButtonWithMenu::Item &item);
void itemAdded(const ButtonWithMenu::Item &item);
void itemRemoved(const ButtonWithMenu::Item &item);
public slots:
void clearItems();
void selectNextItem();
void selectPreviousItem();
private slots:
void setCurrentItem();
void generateMenu();
private:
void mousePressEvent(QMouseEvent *event);
void wheelEvent(QWheelEvent* event);
QMenu* m_menu;
QVector<Item> m_items;
Item m_currentItem;
};
// 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