webengine/osswebengine/WebCore/platform/Widget.h
changeset 0 dd21522fd290
child 15 60c5402cb945
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/Widget.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,217 @@
+/*
+ * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
+ *
+ * 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. 
+ */
+
+#ifndef Widget_h
+#define Widget_h
+
+#include <wtf/Platform.h>
+
+#if PLATFORM(MAC)
+#ifdef __OBJC__
+@class NSView;
+#else
+class NSView;
+#endif
+#endif
+
+#if PLATFORM(WIN)
+typedef struct HWND__* HWND;
+#endif
+
+#if PLATFORM(GTK)
+typedef struct _GdkDrawable GdkDrawable;
+typedef struct _GtkWidget GtkWidget;
+typedef struct _GtkContainer GtkContainer;
+#endif
+
+#if PLATFORM(QT)
+class QWidget;
+class QWebFrame;
+#endif
+#if PLATFORM(SYMBIAN)
+class MWebCoreWidget;
+#endif
+
+namespace WebCore {
+
+    class Cursor;
+    class Event;
+    class Font;
+    class GraphicsContext;
+    class IntPoint;
+    class IntRect;
+    class IntSize;
+    class PlatformMouseEvent;
+    class ScrollView;
+    class WidgetClient;
+    class WidgetPrivate;
+
+    class Widget {
+    public:
+        Widget();
+        virtual ~Widget();
+
+        virtual void setEnabled(bool);
+        virtual bool isEnabled() const;
+
+        int x() const;
+        int y() const;
+        int width() const;
+        int height() const;
+        IntSize size() const;
+        void resize(int, int);
+        void resize(const IntSize&);
+        IntPoint pos() const;
+        void move(int, int);
+        void move(const IntPoint&);
+
+        virtual void paint(GraphicsContext*, const IntRect&);
+        virtual void invalidate();
+        virtual void invalidateRect(const IntRect&);
+
+        virtual void setFrameGeometry(const IntRect&);
+        virtual IntRect frameGeometry() const;
+
+        virtual void setFocus();
+#if PLATFORM(SYMBIAN)
+        virtual bool hasFocus() const;
+#endif
+
+        void setCursor(const Cursor&);
+        Cursor cursor();
+
+        virtual void show();
+        virtual void hide();
+
+        void setIsSelected(bool);
+
+        void setClient(WidgetClient*);
+        WidgetClient* client() const;
+
+        virtual bool isFrameView() const;
+
+        virtual void removeFromParent();
+
+        // This method is used by plugins on all platforms to obtain a clip rect that includes clips set by WebCore,
+        // e.g., in overflow:auto sections.  The clip rects coordinates are in the containing window's coordinate space.
+        // This clip includes any clips that the widget itself sets up for its children.
+        virtual IntRect windowClipRect() const;
+
+        virtual void handleEvent(Event*) { }
+
+#if PLATFORM(WIN)
+        void setContainingWindow(HWND);
+        HWND containingWindow() const;
+
+        virtual void setParent(ScrollView*);
+        ScrollView* parent() const;
+
+        virtual void geometryChanged() const {};
+        
+        IntRect convertToContainingWindow(const IntRect&) const;
+        IntPoint convertToContainingWindow(const IntPoint&) const;
+        IntPoint convertFromContainingWindow(const IntPoint&) const;
+
+        virtual IntPoint convertChildToSelf(const Widget*, const IntPoint&) const;
+        virtual IntPoint convertSelfToChild(const Widget*, const IntPoint&) const;
+
+        bool suppressInvalidation() const;
+        void setSuppressInvalidation(bool);
+
+#endif
+
+#if PLATFORM(GTK)
+        virtual void setParent(ScrollView*);
+        ScrollView* parent() const;
+
+        void setContainingWindow(GtkContainer*);
+        GtkContainer* containingWindow() const;
+
+        virtual void geometryChanged() const;
+
+        IntRect convertToContainingWindow(const IntRect&) const;
+        IntPoint convertToContainingWindow(const IntPoint&) const;
+        IntPoint convertFromContainingWindow(const IntPoint&) const;
+
+        virtual IntPoint convertChildToSelf(const Widget*, const IntPoint&) const;
+        virtual IntPoint convertSelfToChild(const Widget*, const IntPoint&) const;
+
+        bool suppressInvalidation() const;
+        void setSuppressInvalidation(bool);
+
+        GtkWidget* gtkWidget() const;
+protected:
+        void setGtkWidget(GtkWidget*);
+#endif
+
+#if PLATFORM(QT)
+        QWidget* qwidget() const;
+        void setQWidget(QWidget *widget);
+        QWidget* containingWindow() const;
+
+        QWebFrame* qwebframe() const;
+        void setQWebFrame(QWebFrame *webFrame);
+        virtual void setParent(ScrollView*);
+        ScrollView* parent() const;
+        virtual void geometryChanged() const;
+
+        IntRect convertToContainingWindow(const IntRect&) const;
+        IntPoint convertToContainingWindow(const IntPoint&) const;
+        IntPoint convertFromContainingWindow(const IntPoint&) const;
+
+        virtual IntPoint convertChildToSelf(const Widget*, const IntPoint&) const;
+        virtual IntPoint convertSelfToChild(const Widget*, const IntPoint&) const;
+#endif
+
+#if PLATFORM(MAC)
+        Widget(NSView*);
+
+        NSView* getView() const;
+        NSView* getOuterView() const;
+        void setView(NSView*);
+        
+        static void beforeMouseDown(NSView*, Widget*);
+        static void afterMouseDown(NSView*, Widget*);
+
+        void addToSuperview(NSView* superview);
+        void removeFromSuperview();
+        IntPoint convertToScreenCoordinate(NSView*, const IntPoint&);
+#endif
+#if PLATFORM(SYMBIAN)
+        Widget(MWebCoreWidget*);
+
+        MWebCoreWidget* getView() const;
+        MWebCoreWidget* getOuterView() const;
+        void setView(MWebCoreWidget*);
+        bool isFocusable() const;
+#endif
+
+    private:
+        WidgetPrivate* data;
+    };
+
+} // namespace WebCore
+
+#endif // Widget_h