kwin/effects/zoom/zoom.h
2020-08-07 19:57:56 +00:00

126 lines
3.6 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2006 Lubos Lunak <l.lunak@kde.org>
SPDX-FileCopyrightText: 2010 Sebastian Sauer <sebsauer@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef KWIN_ZOOM_H
#define KWIN_ZOOM_H
#include <config-kwin.h>
#include <kwineffects.h>
#include <QTime>
#include <QTimeLine>
namespace KWin
{
#if HAVE_ACCESSIBILITY
class ZoomAccessibilityIntegration;
#endif
class GLTexture;
class XRenderPicture;
class ZoomEffect
: public Effect
{
Q_OBJECT
Q_PROPERTY(qreal zoomFactor READ configuredZoomFactor)
Q_PROPERTY(int mousePointer READ configuredMousePointer)
Q_PROPERTY(int mouseTracking READ configuredMouseTracking)
Q_PROPERTY(bool focusTrackingEnabled READ isFocusTrackingEnabled)
Q_PROPERTY(bool textCaretTrackingEnabled READ isTextCaretTrackingEnabled)
Q_PROPERTY(int focusDelay READ configuredFocusDelay)
Q_PROPERTY(qreal moveFactor READ configuredMoveFactor)
Q_PROPERTY(qreal targetZoom READ targetZoom)
public:
ZoomEffect();
~ZoomEffect() override;
void reconfigure(ReconfigureFlags flags) override;
void prePaintScreen(ScreenPrePaintData& data, int time) override;
void paintScreen(int mask, const QRegion &region, ScreenPaintData& data) override;
void postPaintScreen() override;
bool isActive() const override;
// for properties
qreal configuredZoomFactor() const {
return zoomFactor;
}
int configuredMousePointer() const {
return mousePointer;
}
int configuredMouseTracking() const {
return mouseTracking;
}
bool isFocusTrackingEnabled() const;
bool isTextCaretTrackingEnabled() const;
int configuredFocusDelay() const {
return focusDelay;
}
qreal configuredMoveFactor() const {
return moveFactor;
}
qreal targetZoom() const {
return target_zoom;
}
private Q_SLOTS:
inline void zoomIn() { zoomIn(-1.0); };
void zoomIn(double to);
void zoomOut();
void actualSize();
void moveZoomLeft();
void moveZoomRight();
void moveZoomUp();
void moveZoomDown();
void moveMouseToFocus();
void moveMouseToCenter();
void timelineFrameChanged(int frame);
void moveFocus(const QPoint &point);
void slotMouseChanged(const QPoint& pos, const QPoint& old,
Qt::MouseButtons buttons, Qt::MouseButtons oldbuttons,
Qt::KeyboardModifiers modifiers, Qt::KeyboardModifiers oldmodifiers);
void recreateTexture();
private:
void showCursor();
void hideCursor();
void moveZoom(int x, int y);
private:
#if HAVE_ACCESSIBILITY
ZoomAccessibilityIntegration *m_accessibilityIntegration = nullptr;
#endif
double zoom;
double target_zoom;
double source_zoom;
bool polling; // Mouse polling
double zoomFactor;
enum MouseTrackingType { MouseTrackingProportional = 0, MouseTrackingCentred = 1, MouseTrackingPush = 2, MouseTrackingDisabled = 3 };
MouseTrackingType mouseTracking;
enum MousePointerType { MousePointerScale = 0, MousePointerKeep = 1, MousePointerHide = 2 };
MousePointerType mousePointer;
int focusDelay;
QPoint cursorPoint;
QPoint cursorHotSpot;
QPoint focusPoint;
QPoint prevPoint;
QTime lastMouseEvent;
QTime lastFocusEvent;
QScopedPointer<GLTexture> texture;
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
QScopedPointer<XRenderPicture> xrenderPicture;
#endif
int imageWidth;
int imageHeight;
bool isMouseHidden;
QTimeLine timeline;
int xMove, yMove;
double moveFactor;
};
} // namespace
#endif