diff options
Diffstat (limited to 'src/plugins/platforms/wayland/qwaylandinputdevice.cpp')
| -rw-r--r-- | src/plugins/platforms/wayland/qwaylandinputdevice.cpp | 169 |
1 files changed, 164 insertions, 5 deletions
diff --git a/src/plugins/platforms/wayland/qwaylandinputdevice.cpp b/src/plugins/platforms/wayland/qwaylandinputdevice.cpp index d1da57d81d..3c9afafada 100644 --- a/src/plugins/platforms/wayland/qwaylandinputdevice.cpp +++ b/src/plugins/platforms/wayland/qwaylandinputdevice.cpp @@ -45,10 +45,9 @@ #include "qwaylandwindow.h" #include "qwaylandbuffer.h" -#include <QWindowSystemInterface> - #include <QtGui/private/qpixmap_raster_p.h> #include <QtGui/QPlatformWindow> +#include <QDebug> #include <unistd.h> #include <fcntl.h> @@ -58,13 +57,17 @@ #include <X11/keysym.h> #endif -QWaylandInputDevice::QWaylandInputDevice(struct wl_display *display, +//#define POINT_DEBUG + +QWaylandInputDevice::QWaylandInputDevice(QWaylandDisplay *display, uint32_t id) - : mDisplay(display) - , mInputDevice(wl_input_device_create(display, id, 1)) + : mQDisplay(display) + , mDisplay(display->wl_display()) + , mInputDevice(wl_input_device_create(mDisplay, id, 1)) , mPointerFocus(NULL) , mKeyboardFocus(NULL) , mButtons(0) + , mTouchState(QEvent::TouchBegin) { wl_input_device_add_listener(mInputDevice, &inputDeviceListener, @@ -338,12 +341,168 @@ void QWaylandInputDevice::inputHandleKeyboardFocus(void *data, #endif } +void QWaylandInputDevice::inputHandleTouchDown(void *data, + struct wl_input_device *wl_input_device, + uint32_t time, + int id, + int x, + int y) +{ + QWaylandInputDevice *inputDevice = (QWaylandInputDevice *) data; + inputDevice->handleTouchPoint(id, x, y, Qt::TouchPointPressed); +} + +void QWaylandInputDevice::inputHandleTouchUp(void *data, + struct wl_input_device *wl_input_device, + uint32_t time, + int id) +{ + QWaylandInputDevice *inputDevice = (QWaylandInputDevice *) data; + inputDevice->handleTouchPoint(id, 0, 0, Qt::TouchPointReleased); +} + +void QWaylandInputDevice::inputHandleTouchMotion(void *data, + struct wl_input_device *wl_input_device, + uint32_t time, + int id, + int x, + int y) +{ + QWaylandInputDevice *inputDevice = (QWaylandInputDevice *) data; + inputDevice->handleTouchPoint(id, x, y, Qt::TouchPointMoved); +} + +void QWaylandInputDevice::handleTouchPoint(int id, int x, int y, Qt::TouchPointState state) +{ + QWindowSystemInterface::TouchPoint tp; + + // Find out the coordinates for Released events. + bool coordsOk = false; + if (state == Qt::TouchPointReleased) + for (int i = 0; i < mPrevTouchPoints.count(); ++i) + if (mPrevTouchPoints.at(i).id == id) { + tp.area = mPrevTouchPoints.at(i).area; + coordsOk = true; + break; + } + + if (!coordsOk) { + // x and y are surface relative. + // We need a global (screen) position. + + QWaylandWindow *win = mPointerFocus; + if (!win) + win = mKeyboardFocus; +#ifdef POINT_DEBUG + qDebug() << "surface relative coords" << x << y << "using window" << win; +#endif + if (!win) + return; + + QRect winRect = win->geometry(); + + // Get a normalized position (0..1). + const qreal nx = x / qreal(winRect.width()); + const qreal ny = y / qreal(winRect.height()); + tp.normalPosition = QPointF(nx, ny); + + // Map to screen. + QPlatformScreen *screen = mQDisplay->screens().at(0); + QRect screenRect = screen->geometry(); + x = int(nx * screenRect.width()); + y = int(ny * screenRect.height()); + +#ifdef POINT_DEBUG + qDebug() << "normalized position" << nx << ny + << "win rect" << winRect << "screen rect" << screenRect; + qDebug() << "mapped to screen position" << x << y; +#endif + + tp.area = QRectF(x, y, 1, 1); + } + + tp.state = state; + tp.id = id; + tp.isPrimary = mTouchPoints.isEmpty(); + tp.pressure = tp.state == Qt::TouchPointReleased ? 0 : 1; + mTouchPoints.append(tp); +} + +void QWaylandInputDevice::inputHandleTouchFrame(void *data, struct wl_input_device *wl_input_device) +{ + QWaylandInputDevice *inputDevice = (QWaylandInputDevice *) data; + inputDevice->handleTouchFrame(); +} + +void QWaylandInputDevice::handleTouchFrame() +{ + // Copy all points, that are in the previous but not in the current list, as stationary. + for (int i = 0; i < mPrevTouchPoints.count(); ++i) { + const QWindowSystemInterface::TouchPoint &prevPoint(mPrevTouchPoints.at(i)); + if (prevPoint.state == Qt::TouchPointReleased) + continue; + bool found = false; + for (int j = 0; j < mTouchPoints.count(); ++j) + if (mTouchPoints.at(j).id == prevPoint.id) { + found = true; + break; + } + if (!found) { + QWindowSystemInterface::TouchPoint p = prevPoint; + p.state = Qt::TouchPointStationary; + mTouchPoints.append(p); + } + } + + if (mTouchPoints.isEmpty()) { + mPrevTouchPoints.clear(); + return; + } + +#ifdef POINT_DEBUG + qDebug() << mTouchPoints.count() << "touchpoints, event type" << mTouchState; + for (int i = 0; i < mTouchPoints.count(); ++i) + qDebug() << " " << mTouchPoints[i].id << mTouchPoints[i].state << mTouchPoints[i].area; +#endif + + QWindowSystemInterface::handleTouchEvent(0, mTouchState, QTouchEvent::TouchScreen, mTouchPoints); + + bool allReleased = true; + for (int i = 0; i < mTouchPoints.count(); ++i) + if (mTouchPoints.at(i).state != Qt::TouchPointReleased) { + allReleased = false; + break; + } + + mPrevTouchPoints = mTouchPoints; + mTouchPoints.clear(); + + if (allReleased) { +#ifdef POINT_DEBUG + qDebug() << mTouchPoints.count() << "touchpoints, event type" << QEvent::TouchEnd; +#endif + QWindowSystemInterface::handleTouchEvent(0, QEvent::TouchEnd, QTouchEvent::TouchScreen, mTouchPoints); + mTouchState = QEvent::TouchBegin; + mPrevTouchPoints.clear(); + } else if (mTouchState == QEvent::TouchBegin) + mTouchState = QEvent::TouchUpdate; +} + +void QWaylandInputDevice::inputHandleTouchCancel(void *data, struct wl_input_device *wl_input_device) +{ +} + const struct wl_input_device_listener QWaylandInputDevice::inputDeviceListener = { QWaylandInputDevice::inputHandleMotion, QWaylandInputDevice::inputHandleButton, QWaylandInputDevice::inputHandleKey, QWaylandInputDevice::inputHandlePointerFocus, QWaylandInputDevice::inputHandleKeyboardFocus, + QWaylandInputDevice::inputHandleTouchDown, + QWaylandInputDevice::inputHandleTouchUp, + QWaylandInputDevice::inputHandleTouchMotion, + QWaylandInputDevice::inputHandleTouchFrame, + QWaylandInputDevice::inputHandleTouchCancel }; void QWaylandInputDevice::attach(QWaylandBuffer *buffer, int x, int y) |