Change mouse, key, and wheel events to use a window id instead of a pointer to a QWidget

2 files changed, 36 insertions, 25 deletions

diff --git a/src/gui/kernel/qapplication_lite.cpp b/src/gui/kernel/qapplication_lite.cpp
index 8bbc756..39cc29f 100644
--- a/src/gui/kernel/qapplication_lite.cpp
+++ b/src/gui/kernel/qapplication_lite.cpp
@@ -561,14 +561,20 @@ void QApplicationPrivate::processMouseEvent(MouseEvent *e)
     // move first
     Qt::MouseButtons stateChange = e->buttons ^ buttons;
     if (e->globalPos != QPoint(qt_last_x, qt_last_y) && (stateChange != Qt::NoButton)) {
-        MouseEvent * newMouseEvent = new MouseEvent(e->tlw, e->timestamp, e->localPos, e->globalPos, e->buttons);
+        MouseEvent * newMouseEvent = new MouseEvent(e->id, e->timestamp, e->localPos, e->globalPos, e->buttons);
         userEventQueue.prepend(newMouseEvent); // just in case the move triggers a new event loop
         stateChange = Qt::NoButton;
     }
 
+    QWidget * tlw;
+    if (e->id)
+        tlw = QWidget::find(e->id);
+    else
+        tlw = 0;
+
     QPoint localPoint = e->localPos;
     QPoint globalPoint = e->globalPos;
-    QWidget *mouseWindow = e->tlw;
+    QWidget *mouseWindow = tlw;
 
     Qt::MouseButton button = Qt::NoButton;
 
@@ -619,11 +625,11 @@ void QApplicationPrivate::processMouseEvent(MouseEvent *e)
         implicit_mouse_grabber.clear();
         //### how should popup mode and implicit mouse grab interact?
 
-    } else if (e->tlw && app_do_modal && !qt_try_modal(e->tlw, e->type) ) {
+    } else if (tlw && app_do_modal && !qt_try_modal(tlw, e->type) ) {
         //even if we're blocked by modality, we should deliver the mouse release event..
         //### this code is not completely correct: multiple buttons can be pressed simultaneously
         if (!(implicit_mouse_grabber && buttons == Qt::NoButton)) {
-            qDebug() << "modal blocked mouse event to" << e->tlw;
+            qDebug() << "modal blocked mouse event to" << tlw;
             return;
         }
     }
@@ -636,7 +642,7 @@ void QApplicationPrivate::processMouseEvent(MouseEvent *e)
     if (!mouseWindow && !implicit_mouse_grabber)
         mouseWindow = QApplication::desktop();
 
-    if (mouseWindow && mouseWindow != e->tlw) {
+    if (mouseWindow && mouseWindow != tlw) {
         //we did not get a sensible localPoint from the window system, so let's calculate it
         localPoint = mouseWindow->mapFromGlobal(globalPoint);
     }
@@ -659,7 +665,7 @@ void QApplicationPrivate::processMouseEvent(MouseEvent *e)
     } else if (implicit_mouse_grabber) {
         mouseWidget = implicit_mouse_grabber.data();
         mouseWindow = mouseWidget->window();
-        if (mouseWindow != e->tlw)
+        if (mouseWindow != tlw)
             localPoint = mouseWindow->mapFromGlobal(globalPoint);
     }
 
@@ -705,7 +711,11 @@ void QApplicationPrivate::processWheelEvent(WheelEvent *e)
     qt_last_x = globalPoint.x();
     qt_last_y = globalPoint.y();
 
-     QWidget *mouseWindow = e->tlw;
+     QWidget *mouseWindow;
+     if (e->id)
+         mouseWindow = QWidget::find(e->id);
+     else
+         mouseWindow = 0;
 
      // find the tlw if we didn't get it from the plugin
      if (!mouseWindow) {
@@ -746,8 +756,9 @@ void QApplicationPrivate::processKeyEvent(KeyEvent *e)
     }
     if (!focusW)
         focusW = QApplication::focusWidget();
-    if (!focusW)
-        focusW = e->tlw;
+    if (!focusW && e->id) {
+        focusW = QWidget::find(e->id);
+    }
     if (!focusW)
         focusW = QApplication::activeWindow();
 
diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h
index 75bc5bd..d07b83b 100644
--- a/src/gui/kernel/qapplication_p.h
+++ b/src/gui/kernel/qapplication_p.h
@@ -570,16 +570,16 @@ public:
 
     class UserEvent {
     public:
-        UserEvent(QWidget *w, QEvent::Type t, ulong time) { tlw = w; type = t; timestamp = time; }
-        QWidget * tlw;
+        UserEvent(WId w, ulong time, QEvent::Type t) { id = w; type = t; timestamp = time; }
+        WId id;
         QEvent::Type type;
         unsigned long timestamp;
     };
 
     class MouseEvent : public UserEvent {
     public:
-        MouseEvent(QWidget *w, ulong time, const QPoint & local, const QPoint & global, Qt::MouseButtons b)
-            : UserEvent(w, QEvent::MouseMove, time){ localPos = local; globalPos = global; buttons = b; }
+        MouseEvent(WId w, ulong time, const QPoint & local, const QPoint & global, Qt::MouseButtons b)
+            : UserEvent(w, time, QEvent::MouseMove){ localPos = local; globalPos = global; buttons = b; }
         QPoint localPos;
         QPoint globalPos;
         Qt::MouseButtons buttons;
@@ -587,8 +587,8 @@ public:
 
     class WheelEvent : public UserEvent {
     public:
-        WheelEvent(QWidget *w, ulong time, const QPoint & local, const QPoint & global, int d, Qt::Orientation o)
-            : UserEvent(w, QEvent::Wheel, time) { localPos = local; globalPos = global; delta = d; orient = o; }
+        WheelEvent(WId w, ulong time, const QPoint & local, const QPoint & global, int d, Qt::Orientation o)
+            : UserEvent(w, time, QEvent::Wheel) { localPos = local; globalPos = global; delta = d; orient = o; }
         int delta;
         QPoint localPos;
         QPoint globalPos;
@@ -597,8 +597,8 @@ public:
 
     class KeyEvent : public UserEvent {
     public:
-        KeyEvent(QWidget *w, QEvent::Type t, ulong time, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1)
-            :UserEvent(w, t, time){ key = k; unicode = text; repeat = autorep; repeatCount = count; modifiers = mods; }
+        KeyEvent(WId w, ulong time, QEvent::Type t, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1)
+            :UserEvent(w, time, t){ key = k; unicode = text; repeat = autorep; repeatCount = count; modifiers = mods; }
         int key;
         QString unicode;
         bool repeat;
@@ -606,29 +606,29 @@ public:
         Qt::KeyboardModifiers modifiers;
     };
 
-    static void handleMouseEvent(QWidget *w, const QPoint & local, const QPoint & global, Qt::MouseButtons b) {
+    static void handleMouseEvent(WId w, const QPoint & local, const QPoint & global, Qt::MouseButtons b) {
         handleMouseEvent(w, time.elapsed(), local, global, b);
     }
 
-    static void handleMouseEvent(QWidget *w, ulong timestamp, const QPoint & local, const QPoint & global, Qt::MouseButtons b) {
+    static void handleMouseEvent(WId w, ulong timestamp, const QPoint & local, const QPoint & global, Qt::MouseButtons b) {
         MouseEvent * e = new MouseEvent(w, timestamp, local, global, b);
         queueUserEvent(e);
     }
 
-    static void handleKeyEvent(QWidget *w, QEvent::Type t, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1) {
-        handleKeyEvent(w, t, time.elapsed(), k, mods, text, autorep, count);
+    static void handleKeyEvent(WId w, QEvent::Type t, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1) {
+        handleKeyEvent(w, time.elapsed(), t, k, mods, text, autorep, count);
     }
 
-    static void handleKeyEvent(QWidget *w, QEvent::Type t, ulong timestamp, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1) {
-        KeyEvent * e = new KeyEvent(w, t, timestamp, k, mods, text, autorep, count);
+    static void handleKeyEvent(WId w, ulong timestamp, QEvent::Type t, int k, Qt::KeyboardModifiers mods, const QString & text = QString(), bool autorep = false, ushort count = 1) {
+        KeyEvent * e = new KeyEvent(w, timestamp, t, k, mods, text, autorep, count);
         queueUserEvent(e);
     }
 
-    static void handleWheelEvent(QWidget *w, const QPoint & local, const QPoint & global, int d, Qt::Orientation o) {
+    static void handleWheelEvent(WId w, const QPoint & local, const QPoint & global, int d, Qt::Orientation o) {
         handleWheelEvent(w, time.elapsed(), local, global, d, o);
     }
 
-    static void handleWheelEvent(QWidget *w, ulong timestamp, const QPoint & local, const QPoint & global, int d, Qt::Orientation o) {
+    static void handleWheelEvent(WId w, ulong timestamp, const QPoint & local, const QPoint & global, int d, Qt::Orientation o) {
         WheelEvent *e = new WheelEvent(w, timestamp, local, global, d, o);
         queueUserEvent(e);
     }