WebCore/page/gtk/EventHandlerGtk.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/page/gtk/EventHandlerGtk.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2006 Zack Rusin <zack@kde.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "EventHandler.h"
+
+#include "ClipboardGtk.h"
+#include "FloatPoint.h"
+#include "FocusController.h"
+#include "Frame.h"
+#include "FrameView.h"
+#include "KeyboardEvent.h"
+#include "MouseEventWithHitTestResults.h"
+#include "NotImplemented.h"
+#include "Page.h"
+#include "PlatformKeyboardEvent.h"
+#include "PlatformWheelEvent.h"
+#include "RenderWidget.h"
+#include "Scrollbar.h"
+
+namespace WebCore {
+
+const double EventHandler::TextDragDelay = 0.0;
+
+bool EventHandler::tabsToAllControls(KeyboardEvent* event) const
+{
+    // We always allow tabs to all controls
+    return true;
+}
+
+void EventHandler::focusDocumentView()
+{
+    if (Page* page = m_frame->page())
+        page->focusController()->setFocusedFrame(m_frame);
+}
+
+bool EventHandler::passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults& event)
+{
+    // Figure out which view to send the event to.
+    RenderObject* target = event.targetNode() ? event.targetNode()->renderer() : 0;
+    if (!target || !target->isWidget())
+        return false;
+    return passMouseDownEventToWidget(toRenderWidget(target)->widget());
+}
+
+bool EventHandler::passWidgetMouseDownEventToWidget(RenderWidget* renderWidget)
+{
+    return passMouseDownEventToWidget(renderWidget->widget());
+}
+
+bool EventHandler::passMouseDownEventToWidget(Widget* widget)
+{
+    notImplemented();
+    return false;
+}
+
+bool EventHandler::eventActivatedView(const PlatformMouseEvent&) const
+{
+    //GTK+ activation is not necessarily tied to mouse events, so it may
+    //not make sense to implement this
+
+    notImplemented();
+    return false;
+}
+
+bool EventHandler::passWheelEventToWidget(PlatformWheelEvent& event, Widget* widget)
+{
+    ASSERT(widget);
+    if (!widget->isFrameView())
+        return false;
+
+    return static_cast<FrameView*>(widget)->frame()->eventHandler()->handleWheelEvent(event);
+}
+
+PassRefPtr<Clipboard> EventHandler::createDraggingClipboard() const
+{
+    return ClipboardGtk::create(ClipboardWritable, DataObjectGtk::create(), true);
+}
+
+bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
+{
+    subframe->eventHandler()->handleMousePressEvent(mev.event());
+    return true;
+}
+
+bool EventHandler::passMouseMoveEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe, HitTestResult* hoveredNode)
+{
+    subframe->eventHandler()->handleMouseMoveEvent(mev.event(), hoveredNode);
+    return true;
+}
+
+bool EventHandler::passMouseReleaseEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
+{
+    subframe->eventHandler()->handleMouseReleaseEvent(mev.event());
+    return true;
+}
+
+unsigned EventHandler::accessKeyModifiers()
+{
+    return PlatformKeyboardEvent::AltKey;
+}
+
+// GTK+ must scroll horizontally if the mouse pointer is on top of the
+// horizontal scrollbar while scrolling with the wheel; we need to
+// add the deltas and ticks here so that this behavior is consistent
+// for styled scrollbars.
+bool EventHandler::shouldTurnVerticalTicksIntoHorizontal(const HitTestResult& result) const
+{
+    return result.scrollbar() && result.scrollbar()->orientation() == HorizontalScrollbar;
+}
+
+}