A new implementation of the Gesture API.

Implemented gestures using gesture events and separate
QGesture/QGestureRecognizer classes.

Reviewed-by: trustme

6 files changed, 42 insertions, 85 deletions

diff --git a/src/gui/widgets/qabstractscrollarea.cpp b/src/gui/widgets/qabstractscrollarea.cpp
index d8702cf..0896256 100644
--- a/src/gui/widgets/qabstractscrollarea.cpp
+++ b/src/gui/widgets/qabstractscrollarea.cpp
@@ -52,11 +52,6 @@
 #include "qboxlayout.h"
 #include "qpainter.h"
 
-#ifdef Q_WS_WIN
-#include "qstandardgestures.h"
-#include <private/qstandardgestures_p.h>
-#endif
-
 #include "qabstractscrollarea_p.h"
 #include <qwidget.h>
 
@@ -165,7 +160,7 @@ QAbstractScrollAreaPrivate::QAbstractScrollAreaPrivate()
      viewport(0), cornerWidget(0), left(0), top(0), right(0), bottom(0),
      xoffset(0), yoffset(0), viewportFilter(0)
 #ifdef Q_WS_WIN
-     , panGesture(0), singleFingerPanEnabled(false)
+     , singleFingerPanEnabled(false)
 #endif
 {
 }
@@ -298,14 +293,6 @@ void QAbstractScrollAreaPrivate::init()
     q->setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
     q->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
     layoutChildren();
-
-#ifdef Q_WS_WIN
-    panGesture = new QPanGesture(viewport, q);
-    panGesture->d_func()->implicitGesture = true;
-    QObject::connect(panGesture, SIGNAL(started()), q, SLOT(_q_gestureTriggered()));
-    QObject::connect(panGesture, SIGNAL(triggered()), q, SLOT(_q_gestureTriggered()));
-    QObject::connect(panGesture, SIGNAL(finished()), q, SLOT(_q_gestureTriggered()));
-#endif // Q_WS_WIN
 }
 
 #ifdef Q_WS_WIN
@@ -556,9 +543,6 @@ void QAbstractScrollArea::setViewport(QWidget *widget)
         if (isVisible())
             d->viewport->show();
         QMetaObject::invokeMethod(this, "setupViewport", Q_ARG(QWidget *, widget));
-#ifdef Q_WS_WIN
-        d->panGesture->setGestureTarget(widget);
-#endif
         delete oldViewport;
     }
 }
@@ -1351,26 +1335,24 @@ void QAbstractScrollArea::setupViewport(QWidget *viewport)
     Q_UNUSED(viewport);
 }
 
-#ifdef Q_WS_WIN
-void QAbstractScrollAreaPrivate::_q_gestureTriggered()
-{
-    Q_Q(QAbstractScrollArea);
-    QPanGesture *g = qobject_cast<QPanGesture*>(q->sender());
-    if (!g)
-        return;
-    QScrollBar *hBar = q->horizontalScrollBar();
-    QScrollBar *vBar = q->verticalScrollBar();
-    QSizeF delta = g->lastOffset();
-    if (!delta.isNull()) {
-        if (QApplication::isRightToLeft())
-            delta.rwidth() *= -1;
-        int newX = hBar->value() - delta.width();
-        int newY = vBar->value() - delta.height();
-        hbar->setValue(newX);
-        vbar->setValue(newY);
-    }
-}
-#endif
+//void QAbstractScrollAreaPrivate::_q_gestureTriggered()
+//{
+//    Q_Q(QAbstractScrollArea);
+//    QPanGesture *g = qobject_cast<QPanGesture*>(q->sender());
+//    if (!g)
+//        return;
+//    QScrollBar *hBar = q->horizontalScrollBar();
+//    QScrollBar *vBar = q->verticalScrollBar();
+//    QSizeF delta = g->lastOffset();
+//    if (!delta.isNull()) {
+//        if (QApplication::isRightToLeft())
+//            delta.rwidth() *= -1;
+//        int newX = hBar->value() - delta.width();
+//        int newY = vBar->value() - delta.height();
+//        hbar->setValue(newX);
+//        vbar->setValue(newY);
+//    }
+//}
 
 QT_END_NAMESPACE
 
diff --git a/src/gui/widgets/qabstractscrollarea.h b/src/gui/widgets/qabstractscrollarea.h
index 3773477..b3a1861 100644
--- a/src/gui/widgets/qabstractscrollarea.h
+++ b/src/gui/widgets/qabstractscrollarea.h
@@ -129,10 +129,6 @@ private:
     Q_PRIVATE_SLOT(d_func(), void _q_vslide(int))
     Q_PRIVATE_SLOT(d_func(), void _q_showOrHideScrollBars())
 
-#ifdef Q_WS_WIN
-    Q_PRIVATE_SLOT(d_func(), void _q_gestureTriggered())
-#endif
-
     friend class QStyleSheetStyle;
     friend class QWidgetPrivate;
 };
diff --git a/src/gui/widgets/qabstractscrollarea_p.h b/src/gui/widgets/qabstractscrollarea_p.h
index 0bb2851..bfb8917 100644
--- a/src/gui/widgets/qabstractscrollarea_p.h
+++ b/src/gui/widgets/qabstractscrollarea_p.h
@@ -60,7 +60,6 @@ QT_BEGIN_NAMESPACE
 
 #ifndef QT_NO_SCROLLAREA
 
-class QPanGesture;
 class QScrollBar;
 class QAbstractScrollAreaScrollBarContainer;
 class Q_AUTOTEST_EXPORT QAbstractScrollAreaPrivate: public QFramePrivate
@@ -102,8 +101,6 @@ public:
     QScopedPointer<QObject> viewportFilter;
 
 #ifdef Q_WS_WIN
-    QPanGesture *panGesture;
-    virtual void _q_gestureTriggered();
     bool singleFingerPanEnabled;
     void setSingleFingerPanEnabled(bool on = true);
 #endif
diff --git a/src/gui/widgets/qplaintextedit.cpp b/src/gui/widgets/qplaintextedit.cpp
index 2ed6cd7..22438bf 100644
--- a/src/gui/widgets/qplaintextedit.cpp
+++ b/src/gui/widgets/qplaintextedit.cpp
@@ -65,11 +65,6 @@
 #include <limits.h>
 #include <qtexttable.h>
 #include <qvariant.h>
-
-#ifdef Q_WS_WIN
-#include <qstandardgestures.h>
-#endif
-
 #include <qinputcontext.h>
 
 #ifndef QT_NO_TEXTEDIT
@@ -2937,33 +2932,29 @@ QAbstractTextDocumentLayout::PaintContext QPlainTextEdit::getPaintContext() cons
     (\a available is true) or unavailable (\a available is false).
 */
 
-#ifdef Q_WS_WIN
-
-void QPlainTextEditPrivate::_q_gestureTriggered()
-{
-    Q_Q(QPlainTextEdit);
-    QPanGesture *g = qobject_cast<QPanGesture*>(q->sender());
-    if (!g)
-        return;
-    QScrollBar *hBar = q->horizontalScrollBar();
-    QScrollBar *vBar = q->verticalScrollBar();
-    if (g->state() == Qt::GestureStarted)
-        originalOffsetY = vBar->value();
-    QSizeF totalOffset = g->totalOffset();
-    if (!totalOffset.isNull()) {
-        if (QApplication::isRightToLeft())
-            totalOffset.rwidth() *= -1;
-        // QPlainTextEdit scrolls by lines only in vertical direction
-        QFontMetrics fm(q->document()->defaultFont());
-        int lineHeight = fm.height();
-        int newX = hBar->value() - g->lastOffset().width();
-        int newY = originalOffsetY - totalOffset.height()/lineHeight;
-        hbar->setValue(newX);
-        vbar->setValue(newY);
-    }
-}
-
-#endif
+//void QPlainTextEditPrivate::_q_gestureTriggered()
+//{
+//    Q_Q(QPlainTextEdit);
+//    QPanGesture *g = qobject_cast<QPanGesture*>(q->sender());
+//    if (!g)
+//        return;
+//    QScrollBar *hBar = q->horizontalScrollBar();
+//    QScrollBar *vBar = q->verticalScrollBar();
+//    if (g->state() == Qt::GestureStarted)
+//        originalOffsetY = vBar->value();
+//    QSizeF totalOffset = g->totalOffset();
+//    if (!totalOffset.isNull()) {
+//        if (QApplication::isRightToLeft())
+//            totalOffset.rwidth() *= -1;
+//        // QPlainTextEdit scrolls by lines only in vertical direction
+//        QFontMetrics fm(q->document()->defaultFont());
+//        int lineHeight = fm.height();
+//        int newX = hBar->value() - g->lastOffset().width();
+//        int newY = originalOffsetY - totalOffset.height()/lineHeight;
+//        hbar->setValue(newX);
+//        vbar->setValue(newY);
+//    }
+//}
 
 QT_END_NAMESPACE
 
diff --git a/src/gui/widgets/qplaintextedit.h b/src/gui/widgets/qplaintextedit.h
index 1d6881b..60aed1d 100644
--- a/src/gui/widgets/qplaintextedit.h
+++ b/src/gui/widgets/qplaintextedit.h
@@ -270,10 +270,6 @@ private:
     Q_PRIVATE_SLOT(d_func(), void _q_verticalScrollbarActionTriggered(int))
     Q_PRIVATE_SLOT(d_func(), void _q_cursorPositionChanged())
 
-#ifdef Q_WS_WIN
-    Q_PRIVATE_SLOT(d_func(), void _q_gestureTriggered())
-#endif
-
     friend class QPlainTextEditControl;
 };
 
diff --git a/src/gui/widgets/qplaintextedit_p.h b/src/gui/widgets/qplaintextedit_p.h
index 5fe6f4d..7adf403 100644
--- a/src/gui/widgets/qplaintextedit_p.h
+++ b/src/gui/widgets/qplaintextedit_p.h
@@ -72,7 +72,6 @@ class QMimeData;
 
 class QPlainTextEdit;
 class ExtraArea;
-class QPanGesture;
 
 class QPlainTextEditControl : public QTextControl
 {
@@ -179,10 +178,6 @@ public:
     void _q_modificationChanged(bool);
 
     int originalOffsetY;
-
-#ifdef Q_WS_WIN
-    void _q_gestureTriggered();
-#endif
 };
 
 QT_END_NAMESPACE