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106 lines
3.3 KiB
106 lines
3.3 KiB
// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FWL_CFWL_WIDGETMGR_H_
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#define XFA_FWL_CFWL_WIDGETMGR_H_
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#include <map>
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#include <memory>
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#include <vector>
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#include "core/fxcrt/fx_system.h"
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#include "xfa/fxgraphics/cxfa_graphics.h"
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class CFWL_Message;
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class CXFA_Graphics;
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class CFX_Matrix;
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class CFWL_Widget;
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class CFWL_WidgetMgr {
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public:
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class AdapterIface {
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public:
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virtual ~AdapterIface() {}
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virtual void RepaintWidget(CFWL_Widget* pWidget) = 0;
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virtual bool GetPopupPos(CFWL_Widget* pWidget,
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float fMinHeight,
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float fMaxHeight,
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const CFX_RectF& rtAnchor,
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CFX_RectF* pPopupRect) = 0;
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};
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explicit CFWL_WidgetMgr(AdapterIface* pAdapterNative);
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~CFWL_WidgetMgr();
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static CFWL_Widget* NextTab(CFWL_Widget* parent, CFWL_Widget* focus);
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void OnProcessMessageToForm(std::unique_ptr<CFWL_Message> pMessage);
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void OnDrawWidget(CFWL_Widget* pWidget,
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CXFA_Graphics* pGraphics,
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const CFX_Matrix& matrix);
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CFWL_Widget* GetParentWidget(const CFWL_Widget* pWidget) const;
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CFWL_Widget* GetOwnerWidget(const CFWL_Widget* pWidget) const;
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CFWL_Widget* GetNextSiblingWidget(CFWL_Widget* pWidget) const;
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CFWL_Widget* GetFirstChildWidget(CFWL_Widget* pWidget) const;
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CFWL_Widget* GetSystemFormWidget(CFWL_Widget* pWidget) const;
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void RepaintWidget(CFWL_Widget* pWidget, const CFX_RectF& pRect);
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void InsertWidget(CFWL_Widget* pParent, CFWL_Widget* pChild);
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void RemoveWidget(CFWL_Widget* pWidget);
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void SetOwner(CFWL_Widget* pOwner, CFWL_Widget* pOwned);
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void SetParent(CFWL_Widget* pParent, CFWL_Widget* pChild);
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CFWL_Widget* GetWidgetAtPoint(CFWL_Widget* pParent,
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const CFX_PointF& point) const;
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CFWL_Widget* GetDefaultButton(CFWL_Widget* pParent) const;
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void AddRedrawCounts(CFWL_Widget* pWidget);
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void GetAdapterPopupPos(CFWL_Widget* pWidget,
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float fMinHeight,
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float fMaxHeight,
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const CFX_RectF& rtAnchor,
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CFX_RectF* pPopupRect) const;
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private:
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class Item {
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public:
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Item();
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explicit Item(CFWL_Widget* widget);
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~Item();
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Item* pParent;
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Item* pOwner;
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Item* pChild;
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Item* pPrevious;
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Item* pNext;
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CFWL_Widget* const pWidget;
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std::unique_ptr<CXFA_Graphics> pOffscreen;
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int32_t iRedrawCounter;
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};
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CFWL_Widget* GetFirstSiblingWidget(CFWL_Widget* pWidget) const;
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CFWL_Widget* GetPriorSiblingWidget(CFWL_Widget* pWidget) const;
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CFWL_Widget* GetLastChildWidget(CFWL_Widget* pWidget) const;
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Item* GetWidgetMgrItem(const CFWL_Widget* pWidget) const;
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void AppendWidget(CFWL_Widget* pWidget);
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void ResetRedrawCounts(CFWL_Widget* pWidget);
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void DrawChild(CFWL_Widget* pParent,
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const CFX_RectF& rtClip,
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CXFA_Graphics* pGraphics,
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const CFX_Matrix* pMatrix);
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bool IsAbleNative(CFWL_Widget* pWidget) const;
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std::map<const CFWL_Widget*, std::unique_ptr<Item>> m_mapWidgetItem;
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UnownedPtr<AdapterIface> const m_pAdapter;
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};
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#endif // XFA_FWL_CFWL_WIDGETMGR_H_
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