c1ea0412a4
Currently, the focus tracking functionality in the zoom effect does not work because it relies on kaccessibleapp, which is dead. Luckily for us, there is a library called libqaccessibilityclient that provides a way to monitor focus changes. BUG: 421234
135 lines
4.1 KiB
C++
135 lines
4.1 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
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Copyright (C) 2010 Sebastian Sauer <sebsauer@kdab.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#ifndef KWIN_ZOOM_H
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#define KWIN_ZOOM_H
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#include <config-kwin.h>
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#include <kwineffects.h>
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#include <QTime>
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#include <QTimeLine>
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namespace KWin
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{
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#if HAVE_ACCESSIBILITY
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class ZoomAccessibilityIntegration;
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#endif
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class GLTexture;
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class XRenderPicture;
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class ZoomEffect
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: public Effect
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{
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Q_OBJECT
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Q_PROPERTY(qreal zoomFactor READ configuredZoomFactor)
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Q_PROPERTY(int mousePointer READ configuredMousePointer)
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Q_PROPERTY(int mouseTracking READ configuredMouseTracking)
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Q_PROPERTY(bool focusTrackingEnabled READ isFocusTrackingEnabled)
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Q_PROPERTY(int focusDelay READ configuredFocusDelay)
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Q_PROPERTY(qreal moveFactor READ configuredMoveFactor)
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Q_PROPERTY(qreal targetZoom READ targetZoom)
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public:
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ZoomEffect();
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~ZoomEffect() override;
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void reconfigure(ReconfigureFlags flags) override;
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void prePaintScreen(ScreenPrePaintData& data, int time) override;
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void paintScreen(int mask, const QRegion ®ion, ScreenPaintData& data) override;
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void postPaintScreen() override;
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bool isActive() const override;
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// for properties
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qreal configuredZoomFactor() const {
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return zoomFactor;
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}
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int configuredMousePointer() const {
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return mousePointer;
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}
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int configuredMouseTracking() const {
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return mouseTracking;
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}
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bool isFocusTrackingEnabled() const;
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int configuredFocusDelay() const {
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return focusDelay;
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}
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qreal configuredMoveFactor() const {
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return moveFactor;
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}
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qreal targetZoom() const {
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return target_zoom;
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}
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private Q_SLOTS:
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inline void zoomIn() { zoomIn(-1.0); };
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void zoomIn(double to);
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void zoomOut();
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void actualSize();
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void moveZoomLeft();
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void moveZoomRight();
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void moveZoomUp();
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void moveZoomDown();
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void moveMouseToFocus();
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void moveMouseToCenter();
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void timelineFrameChanged(int frame);
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void moveFocus(const QPoint &point);
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void slotMouseChanged(const QPoint& pos, const QPoint& old,
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Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons,
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Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers oldmodifiers);
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void recreateTexture();
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private:
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void showCursor();
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void hideCursor();
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void moveZoom(int x, int y);
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private:
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#if HAVE_ACCESSIBILITY
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ZoomAccessibilityIntegration *m_accessibilityIntegration = nullptr;
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#endif
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double zoom;
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double target_zoom;
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double source_zoom;
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bool polling; // Mouse polling
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double zoomFactor;
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enum MouseTrackingType { MouseTrackingProportional = 0, MouseTrackingCentred = 1, MouseTrackingPush = 2, MouseTrackingDisabled = 3 };
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MouseTrackingType mouseTracking;
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enum MousePointerType { MousePointerScale = 0, MousePointerKeep = 1, MousePointerHide = 2 };
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MousePointerType mousePointer;
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int focusDelay;
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QPoint cursorPoint;
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QPoint cursorHotSpot;
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QPoint focusPoint;
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QPoint prevPoint;
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QTime lastMouseEvent;
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QTime lastFocusEvent;
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QScopedPointer<GLTexture> texture;
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING
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QScopedPointer<XRenderPicture> xrenderPicture;
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#endif
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int imageWidth;
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int imageHeight;
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bool isMouseHidden;
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QTimeLine timeline;
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int xMove, yMove;
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double moveFactor;
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};
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} // namespace
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#endif
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