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+/*
+ * This file is part of the HTML widget for KDE.
+ *
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+#ifndef render_replaced_h
+#define render_replaced_h
+
+#include "rendering/render_block.h"
+#include <tqobject.h>
+#include <tqscrollview.h>
+
+class KHTMLView;
+class TQWidget;
+
+namespace DOM
+{
+ class MouseEventImpl;
+}
+
+namespace tdehtml {
+
+class RenderReplaced : public RenderBox
+{
+public:
+ RenderReplaced(DOM::NodeImpl* node);
+
+ virtual const char *renderName() const { return "RenderReplaced"; }
+ virtual bool isRenderReplaced() const { return true; }
+
+ virtual bool childAllowed() const { return false; }
+
+ virtual void calcMinMaxWidth();
+
+ virtual short intrinsicWidth() const { return m_intrinsicWidth; }
+ virtual int intrinsicHeight() const { return m_intrinsicHeight; }
+
+ void setIntrinsicWidth(int w) { m_intrinsicWidth = w; }
+ void setIntrinsicHeight(int h) { m_intrinsicHeight = h; }
+
+ virtual void position(InlineBox*, int, int, bool);
+
+ // Return before, after (offset set to max), or inside the replaced element,
+ // at @p offset
+ virtual FindSelectionResult checkSelectionPoint( int _x, int _y, int _tx, int _ty,
+ DOM::NodeImpl*& node, int & offset,
+ SelPointState & );
+
+ /** returns the lowest possible value the caret offset may have to
+ * still point to a valid position.
+ *
+ * Returns 0.
+ */
+ virtual long minOffset() const { return 0; }
+ /** returns the highest possible value the caret offset may have to
+ * still point to a valid position.
+ *
+ * Returns 0.
+ */
+ virtual long maxOffset() const { return 0; }
+
+protected:
+ short m_intrinsicWidth;
+ short m_intrinsicHeight;
+};
+
+
+class RenderWidget : public TQObject, public RenderReplaced, public tdehtml::Shared<RenderWidget>
+{
+ Q_OBJECT
+public:
+ RenderWidget(DOM::NodeImpl* node);
+ virtual ~RenderWidget();
+
+ virtual void setStyle(RenderStyle *style);
+ virtual void paint( PaintInfo& i, int tx, int ty );
+ virtual bool isWidget() const { return true; };
+
+ virtual bool isFrame() const { return false; }
+
+ virtual void detach( );
+ virtual void layout( );
+
+ virtual void updateFromElement();
+
+ TQWidget *widget() const { return m_widget; }
+ KHTMLView* view() const { return m_view; }
+
+ void deref();
+
+ void cancelPendingResize();
+ bool needsMask() const { return m_needsMask; }
+
+ static void paintWidget(PaintInfo& pI, TQWidget *widget, int tx, int ty);
+ virtual bool handleEvent(const DOM::EventImpl& ev);
+
+#ifdef ENABLE_DUMP
+ virtual void dump(TQTextStream &stream, const TQString &ind) const;
+#endif
+
+ // for ECMA to flush all pending resizes
+ KDE_EXPORT static void flushWidgetResizes();
+
+public slots:
+ void slotWidgetDestructed();
+ bool isKHTMLWidget() const { return m_isKHTMLWidget; }
+
+protected:
+ virtual bool canHaveBorder() const { return false; }
+
+ virtual bool acceptsSyntheticEvents() const { return true; }
+
+ virtual void handleFocusOut() {}
+ bool event( TQEvent *e );
+
+ bool eventFilter(TQObject* /*o*/, TQEvent* e);
+ void setQWidget(TQWidget *widget);
+ void resizeWidget( int w, int h );
+
+ TQWidget *m_widget;
+ KHTMLView* m_view;
+
+ //Because we mess with normal detach due to ref/deref,
+ //we need to keep track of the arena ourselves
+ //so it doesn't get yanked from us, etc.
+ SharedPtr<RenderArena> m_arena;
+
+ bool m_resizePending;
+ bool m_discardResizes;
+ bool m_isKHTMLWidget;
+ bool m_needsMask;
+
+public:
+ virtual int borderTop() const { return canHaveBorder() ? RenderReplaced::borderTop() : 0; }
+ virtual int borderBottom() const { return canHaveBorder() ? RenderReplaced::borderBottom() : 0; }
+ virtual int borderLeft() const { return canHaveBorder() ? RenderReplaced::borderLeft() : 0; }
+ virtual int borderRight() const { return canHaveBorder() ? RenderReplaced::borderRight() : 0; }
+
+ class EventPropagator : public TQWidget {
+ public:
+ void sendEvent(TQEvent *e);
+ };
+ class ScrollViewEventPropagator : public TQScrollView {
+ public:
+ void sendEvent(TQEvent *e);
+ };
+};
+
+extern bool allowWidgetPaintEvents;
+
+}
+
+#endif