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MousePointer.h
1/*
2 * Copyright (C) 2015-2016 Canonical Ltd.
3 *
4 * This program is free software: you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License version 3, as published by
6 * the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
10 * SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16
17#ifndef MOUSEPOINTER_H
18#define MOUSEPOINTER_H
19
20// Qt
21#include <QPointer>
22#include <QWindow>
23#include <QScreen>
24
25// Lomiri API
26#include <lomiri/shell/application/MirMousePointerInterface.h>
27
28class MousePointer : public MirMousePointerInterface {
29 Q_OBJECT
30 Q_PROPERTY(QQuickItem* confiningItem READ confiningItem WRITE setConfiningItem NOTIFY confiningItemChanged)
31 Q_PROPERTY(int topBoundaryOffset READ topBoundaryOffset WRITE setTopBoundaryOffset NOTIFY topBoundaryOffsetChanged)
32
33public:
34 MousePointer(QQuickItem *parent = nullptr);
35 ~MousePointer();
36
37 void setCursorName(const QString &qtCursorName) override;
38 QString cursorName() const override { return m_cursorName; }
39
40 void setThemeName(const QString &themeName) override;
41 QString themeName() const override { return m_themeName; }
42
43 void moveTo(const QPoint& position) override;
44
45 void setCustomCursor(const QCursor &) override;
46
47 QQuickItem* confiningItem() const;
48 void setConfiningItem(QQuickItem*);
49
50 int topBoundaryOffset() const;
51 void setTopBoundaryOffset(int topBoundaryOffset);
52
53 QScreen* screen() const { return m_registeredScreen; }
54
55Q_SIGNALS:
56 void pushedLeftBoundary(qreal amount, Qt::MouseButtons buttons);
57 void pushedRightBoundary(qreal amount, Qt::MouseButtons buttons);
58 void pushedTopBoundary(qreal amount, Qt::MouseButtons buttons);
59 void pushedTopLeftCorner(qreal amount, Qt::MouseButtons buttons);
60 void pushedTopRightCorner(qreal amount, Qt::MouseButtons buttons);
61 void pushedBottomLeftCorner(qreal amount, Qt::MouseButtons buttons);
62 void pushedBottomRightCorner(qreal amount, Qt::MouseButtons buttons);
63 void pushStopped();
64 void screenEntered();
65 void mouseMoved();
66 void confiningItemChanged();
67
68 void topBoundaryOffsetChanged(int topBoundaryOffset);
69
70protected:
71 void itemChange(ItemChange change, const ItemChangeData &value) override;
72
73private Q_SLOTS:
74 void registerScreen(QScreen *screen);
75
76private:
77 void registerWindow(QWindow *window);
78 void applyItemConfinement(qreal &newX, qreal &newY);
79
80 QPointer<QWindow> m_registeredWindow;
81 QPointer<QScreen> m_registeredScreen;
82 QString m_cursorName;
83 QString m_themeName;
84
85 // Accumulated, unapplied, mouse movement.
86 QPointF m_accumulatedMovement;
87
88 QPointer<QQuickItem> m_confiningItem;
89
90 int m_topBoundaryOffset{0};
91 bool m_pushing{false};
92};
93
94#endif // MOUSEPOINTER_H