b2efaeba79
Change-Id: Ic718650a8a7bddd4ee28c5650a3f5baf70886e51 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> Reviewed-by: Jani Heikkinen <jani.heikkinen@qt.io>
122 lines
3.8 KiB
C++
122 lines
3.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2017 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef ITEMWINDOW_H
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#define ITEMWINDOW_H
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#include <QtGui/QKeySequence>
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#include <QtGui/QRasterWindow>
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QT_USE_NAMESPACE
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// ItemWindow: Primitive UI item classes for use with a ItemWindow based
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// on QRasterWindow without widgets allowing a simple UI without widgets.
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// Basic item to be used in a ItemWindow
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class Item : public QObject {
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Q_OBJECT
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public:
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explicit Item(QObject *parent = nullptr) : QObject(parent) {}
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virtual void paint(QPainter &painter) = 0;
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virtual void mouseEvent(QMouseEvent *) {}
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virtual void keyEvent(QKeyEvent *) {}
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};
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// Positionable text item
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class TextItem : public Item {
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Q_OBJECT
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public:
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explicit TextItem(const QString &text, const QRect &rect, const QColor &col,
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QObject *parent = nullptr)
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: Item(parent), m_text(text), m_rect(rect), m_col(col) {}
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void paint(QPainter &painter) override;
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QRect rect() const { return m_rect; }
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private:
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const QString m_text;
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const QRect m_rect;
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const QColor m_col;
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};
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// "button" item
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class ButtonItem : public TextItem {
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Q_OBJECT
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public:
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explicit ButtonItem(const QString &text, const QRect &rect, const QColor &col,
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QObject *parent = nullptr)
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: TextItem(text, rect, col, parent), m_shortcut(0) {}
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void mouseEvent(QMouseEvent *mouseEvent) override;
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void keyEvent(QKeyEvent *keyEvent) override;
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int shortcut() const { return m_shortcut; }
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void setShortcut(int shortcut) { m_shortcut = shortcut; }
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signals:
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void clicked();
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private:
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int m_shortcut;
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};
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#define PROPAGATE_EVENT(windowHandler, eventClass, itemHandler) \
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void windowHandler(eventClass *e) override \
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{ \
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foreach (Item *i, m_items) \
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i->itemHandler(e); \
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}
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class ItemWindow : public QRasterWindow {
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Q_OBJECT
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public:
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explicit ItemWindow(QWindow *parent = nullptr) : QRasterWindow(parent), m_background(Qt::white) {}
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void addItem(Item *item) { m_items.append(item); }
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QColor background() const { return m_background; }
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void setBackground(const QColor &background) { m_background = background; }
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protected:
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void paintEvent(QPaintEvent *) override;
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PROPAGATE_EVENT(mousePressEvent, QMouseEvent, mouseEvent)
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PROPAGATE_EVENT(mouseReleaseEvent, QMouseEvent, mouseEvent)
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PROPAGATE_EVENT(mouseDoubleClickEvent, QMouseEvent, mouseEvent)
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PROPAGATE_EVENT(mouseMoveEvent, QMouseEvent, mouseEvent)
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PROPAGATE_EVENT(keyPressEvent, QKeyEvent, keyEvent)
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PROPAGATE_EVENT(keyReleaseEvent, QKeyEvent, keyEvent)
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private:
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QList<Item *> m_items;
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QColor m_background;
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};
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#endif // ITEMWINDOW_H
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