94e120e · unity8 · git.iko.soy

git.iko.soy/unity8

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Make MouseTouchAdaptor work with multiple QWindows.

94e120eDaniel d'Andrada13 years ago

MouseTouchAdaptor.cpp+29−12

compare with xenial

unifiedsplit

@@ -39,24 +39,16 @@ Qt::MouseButton translateMouseButton(xcb_button_t detail)

39} // end of anonymous namespace

41MouseTouchAdaptor::MouseTouchAdaptor()

42− : m_targetWindow(0)

43− , m_leftButtonIsPressed(false)

42+ : m_leftButtonIsPressed(false)

44{

43{

45 m_touchDevice = new QTouchDevice;

44 m_touchDevice = new QTouchDevice;

46 m_touchDevice->setType(QTouchDevice::TouchScreen);

45 m_touchDevice->setType(QTouchDevice::TouchScreen);

47 QWindowSystemInterface::registerTouchDevice(m_touchDevice);

46 QWindowSystemInterface::registerTouchDevice(m_touchDevice);

48}

47}

50−void MouseTouchAdaptor::setTargetWindow(QWindow *window)

51−{

52− m_targetWindow = window;

53−}

54−

55bool MouseTouchAdaptor::nativeEventFilter(const QByteArray & eventType,

49bool MouseTouchAdaptor::nativeEventFilter(const QByteArray & eventType,

56 void * message, long * /*result*/)

50 void * message, long * /*result*/)

57{

51{

58− Q_ASSERT(m_targetWindow);

59−

60 if (eventType != "xcb_generic_event_t") {

52 if (eventType != "xcb_generic_event_t") {

61 // wrong backend.

53 // wrong backend.

62 qWarning("MouseTouchAdaptor: XCB backend not in use. Adaptor inoperative!");

54 qWarning("MouseTouchAdaptor: XCB backend not in use. Adaptor inoperative!");

@@ -91,7 +83,9 @@ bool MouseTouchAdaptor::handleButtonPress(xcb_button_press_event_t *pressEvent)

92 QPoint windowPos(pressEvent->event_x, pressEvent->event_y);

84 QPoint windowPos(pressEvent->event_x, pressEvent->event_y);

86+ QWindow *targetWindow = findQWindowWithXWindowID(static_cast<WId>(pressEvent->event));

87+

94− QTouchEventSequence touchEvent = QTest::touchEvent(m_targetWindow, m_touchDevice,

88+ QTouchEventSequence touchEvent = QTest::touchEvent(targetWindow, m_touchDevice,

95 false /* autoCommit */);

89 false /* autoCommit */);

96 touchEvent.press(0 /* touchId */, windowPos);

90 touchEvent.press(0 /* touchId */, windowPos);

97 touchEvent.commit(false /* processEvents */);

91 touchEvent.commit(false /* processEvents */);

@@ -110,7 +104,9 @@ bool MouseTouchAdaptor::handleButtonRelease(xcb_button_release_event_t *releaseE

110

104

111 QPoint windowPos(releaseEvent->event_x, releaseEvent->event_y);

105 QPoint windowPos(releaseEvent->event_x, releaseEvent->event_y);

112

106

107+ QWindow *targetWindow = findQWindowWithXWindowID(static_cast<WId>(releaseEvent->event));

108+

113− QTouchEventSequence touchEvent = QTest::touchEvent(m_targetWindow, m_touchDevice,

109+ QTouchEventSequence touchEvent = QTest::touchEvent(targetWindow, m_touchDevice,

114 false /* autoCommit */);

110 false /* autoCommit */);

115 touchEvent.release(0 /* touchId */, windowPos);

111 touchEvent.release(0 /* touchId */, windowPos);

116 touchEvent.commit(false /* processEvents */);

112 touchEvent.commit(false /* processEvents */);

@@ -127,10 +123,31 @@ bool MouseTouchAdaptor::handleMotionNotify(xcb_motion_notify_event_t *event)

127

123

128 QPoint windowPos(event->event_x, event->event_y);

124 QPoint windowPos(event->event_x, event->event_y);

129

125

126+ QWindow *targetWindow = findQWindowWithXWindowID(static_cast<WId>(event->event));

127+

130− QTouchEventSequence touchEvent = QTest::touchEvent(m_targetWindow, m_touchDevice,

128+ QTouchEventSequence touchEvent = QTest::touchEvent(targetWindow, m_touchDevice,

131 false /* autoCommit */);

129 false /* autoCommit */);

132 touchEvent.move(0 /* touchId */, windowPos);

130 touchEvent.move(0 /* touchId */, windowPos);

133 touchEvent.commit(false /* processEvents */);

131 touchEvent.commit(false /* processEvents */);

134

132

135 return true;

133 return true;

136}

134}

135+

136+QWindow *MouseTouchAdaptor::findQWindowWithXWindowID(WId windowId)

137+{

138+ QWindowList windowList = QGuiApplication::topLevelWindows();

139+ QWindow *foundWindow = nullptr;

140+

141+ int i = 0;

142+ while (!foundWindow && i < windowList.count()) {

143+ QWindow *window = windowList[i];

144+ if (window->winId() == windowId) {

145+ foundWindow = window;

146+ } else {

147+ ++i;

148+ }

149+ }

150+

151+ Q_ASSERT(foundWindow);

152+ return foundWindow;

153+}

MouseTouchAdaptor.h+2−5

@@ -20,11 +20,11 @@

20#define MOUSE_TOUCH_ADAPTOR_H

22#include <QtCore/QAbstractNativeEventFilter>

23+#include <QWindow>

23#include <xcb/xcb.h>

24#include <xcb/xcb.h>

25class QMouseEvent;

26class QMouseEvent;

26class QTouchDevice;

27class QTouchDevice;

27−class QWindow;

29// Transforms QMouseEvents into single-finger QTouchEvents.

30class MouseTouchAdaptor : public QAbstractNativeEventFilter {

@@ -32,9 +32,6 @@ class MouseTouchAdaptor : public QAbstractNativeEventFilter {

32public:

33 MouseTouchAdaptor();

35− // The window that will receive the generated QTouchEvents

36− void setTargetWindow(QWindow *window);

37−

38 // Filters mouse events and posts the equivalent QTouchEvents.

35 // Filters mouse events and posts the equivalent QTouchEvents.

39 virtual bool nativeEventFilter(const QByteArray & eventType, void *message, long *result);

36 virtual bool nativeEventFilter(const QByteArray & eventType, void *message, long *result);

@@ -43,8 +40,8 @@ private:

43 bool handleButtonPress(xcb_button_press_event_t *pressEvent);

40 bool handleButtonPress(xcb_button_press_event_t *pressEvent);

44 bool handleButtonRelease(xcb_button_release_event_t *releaseEvent);

41 bool handleButtonRelease(xcb_button_release_event_t *releaseEvent);

45 bool handleMotionNotify(xcb_motion_notify_event_t *event);

42 bool handleMotionNotify(xcb_motion_notify_event_t *event);

43+ QWindow *findQWindowWithXWindowID(WId windowId);

47− QWindow *m_targetWindow;

48 QTouchDevice *m_touchDevice;

45 QTouchDevice *m_touchDevice;

49 bool m_leftButtonIsPressed;

46 bool m_leftButtonIsPressed;

50};

47};

main.cpp−1

@@ -144,7 +144,6 @@ int startShell(int argc, const char** argv, void* server)

144 MouseTouchAdaptor *mouseTouchAdaptor = 0;

145 if (args.contains(QLatin1String("-mousetouch"))) {

146 mouseTouchAdaptor = new MouseTouchAdaptor;

147− mouseTouchAdaptor->setTargetWindow(view);

148 application->installNativeEventFilter(mouseTouchAdaptor);

147 application->installNativeEventFilter(mouseTouchAdaptor);

149 }

148 }

150

149

tests/uqmlscene/main.cpp−2

@@ -497,8 +497,6 @@ int main(int argc, char ** argv)

497 }

498

499 if (window) {

500− mouseTouchAdaptor.setTargetWindow(window);

501−

502 QSurfaceFormat surfaceFormat = window->requestedFormat();

500 QSurfaceFormat surfaceFormat = window->requestedFormat();

503 if (options.multisample)

501 if (options.multisample)

504 surfaceFormat.setSamples(16);

502 surfaceFormat.setSamples(16);