// 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_CORE_CFWL_WIDGETMGR_H_
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#define XFA_FWL_CORE_CFWL_WIDGETMGR_H_
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#include <map>
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#include <memory>
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#include "core/fxcrt/include/fx_system.h"
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#include "xfa/fwl/core/fwl_error.h"
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#include "xfa/fxgraphics/include/cfx_graphics.h"
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#define FWL_WGTMGR_DisableThread 0x00000001
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#define FWL_WGTMGR_DisableForm 0x00000002
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class CFWL_Message;
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class CFWL_WidgetMgrDelegate;
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class CXFA_FFApp;
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class CXFA_FWLAdapterWidgetMgr;
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class CFX_Graphics;
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class CFX_Matrix;
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class IFWL_Widget;
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class CFWL_WidgetMgrItem {
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public:
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CFWL_WidgetMgrItem();
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explicit CFWL_WidgetMgrItem(IFWL_Widget* widget);
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~CFWL_WidgetMgrItem();
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CFWL_WidgetMgrItem* pParent;
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CFWL_WidgetMgrItem* pOwner;
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CFWL_WidgetMgrItem* pChild;
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CFWL_WidgetMgrItem* pPrevious;
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CFWL_WidgetMgrItem* pNext;
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IFWL_Widget* const pWidget;
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std::unique_ptr<CFX_Graphics> pOffscreen;
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int32_t iRedrawCounter;
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#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
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FX_BOOL bOutsideChanged;
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#endif
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};
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class CFWL_WidgetMgr {
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public:
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static CFWL_WidgetMgr* GetInstance();
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explicit CFWL_WidgetMgr(CXFA_FFApp* pAdapterNative);
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~CFWL_WidgetMgr();
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IFWL_Widget* GetParentWidget(IFWL_Widget* pWidget) const;
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IFWL_Widget* GetOwnerWidget(IFWL_Widget* pWidget) const;
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IFWL_Widget* GetFirstSiblingWidget(IFWL_Widget* pWidget) const;
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IFWL_Widget* GetPriorSiblingWidget(IFWL_Widget* pWidget) const;
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IFWL_Widget* GetNextSiblingWidget(IFWL_Widget* pWidget) const;
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IFWL_Widget* GetLastSiblingWidget(IFWL_Widget* pWidget) const;
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IFWL_Widget* GetFirstChildWidget(IFWL_Widget* pWidget) const;
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IFWL_Widget* GetLastChildWidget(IFWL_Widget* pWidget) const;
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IFWL_Widget* GetSystemFormWidget(IFWL_Widget* pWidget) const;
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FX_BOOL SetWidgetIndex(IFWL_Widget* pWidget, int32_t nIndex);
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FWL_Error RepaintWidget(IFWL_Widget* pWidget,
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const CFX_RectF* pRect = nullptr);
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void AddWidget(IFWL_Widget* pWidget);
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void InsertWidget(IFWL_Widget* pParent,
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IFWL_Widget* pChild,
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int32_t nIndex = -1);
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void RemoveWidget(IFWL_Widget* pWidget);
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void SetOwner(IFWL_Widget* pOwner, IFWL_Widget* pOwned);
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void SetParent(IFWL_Widget* pParent, IFWL_Widget* pChild);
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FX_BOOL IsChild(IFWL_Widget* pChild, IFWL_Widget* pParent);
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FWL_Error SetWidgetRect_Native(IFWL_Widget* pWidget, const CFX_RectF& rect);
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IFWL_Widget* GetWidgetAtPoint(IFWL_Widget* pParent, FX_FLOAT fx, FX_FLOAT fy);
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void NotifySizeChanged(IFWL_Widget* pForm, FX_FLOAT fx, FX_FLOAT fy);
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IFWL_Widget* nextTab(IFWL_Widget* parent, IFWL_Widget* focus, FX_BOOL& bFind);
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int32_t CountRadioButtonGroup(IFWL_Widget* pFirst);
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IFWL_Widget* GetSiblingRadioButton(IFWL_Widget* pWidget, FX_BOOL bNext);
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IFWL_Widget* GetRadioButtonGroupHeader(IFWL_Widget* pRadioButton);
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void GetSameGroupRadioButton(IFWL_Widget* pRadioButton,
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CFX_ArrayTemplate<IFWL_Widget*>& group);
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IFWL_Widget* GetDefaultButton(IFWL_Widget* pParent);
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void AddRedrawCounts(IFWL_Widget* pWidget);
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void ResetRedrawCounts(IFWL_Widget* pWidget);
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CXFA_FWLAdapterWidgetMgr* GetAdapterWidgetMgr() const { return m_pAdapter; }
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CFWL_WidgetMgrDelegate* GetDelegate() const { return m_pDelegate.get(); }
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CFWL_WidgetMgrItem* GetWidgetMgrItem(IFWL_Widget* pWidget) const;
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bool IsThreadEnabled();
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bool IsFormDisabled();
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FX_BOOL GetAdapterPopupPos(IFWL_Widget* pWidget,
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FX_FLOAT fMinHeight,
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FX_FLOAT fMaxHeight,
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const CFX_RectF& rtAnchor,
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CFX_RectF& rtPopup);
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protected:
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int32_t TravelWidgetMgr(CFWL_WidgetMgrItem* pParent,
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int32_t* pIndex,
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CFWL_WidgetMgrItem* pItem,
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IFWL_Widget** pWidget = nullptr);
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FX_BOOL IsAbleNative(IFWL_Widget* pWidget) const;
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uint32_t m_dwCapability;
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std::unique_ptr<CFWL_WidgetMgrDelegate> m_pDelegate;
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std::map<IFWL_Widget*, std::unique_ptr<CFWL_WidgetMgrItem>> m_mapWidgetItem;
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CXFA_FWLAdapterWidgetMgr* const m_pAdapter;
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#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
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CFX_RectF m_rtScreen;
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#endif
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friend class CFWL_WidgetMgrDelegate;
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};
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class CFWL_WidgetMgrDelegate {
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public:
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explicit CFWL_WidgetMgrDelegate(CFWL_WidgetMgr* pWidgetMgr);
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~CFWL_WidgetMgrDelegate() {}
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FWL_Error OnSetCapability(uint32_t dwCapability = FWL_WGTMGR_DisableThread);
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void OnProcessMessageToForm(CFWL_Message* pMessage);
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void OnDrawWidget(IFWL_Widget* pWidget,
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CFX_Graphics* pGraphics,
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const CFX_Matrix* pMatrix);
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protected:
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void DrawChild(IFWL_Widget* pParent,
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const CFX_RectF& rtClip,
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CFX_Graphics* pGraphics,
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const CFX_Matrix* pMatrix);
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CFX_Graphics* DrawWidgetBefore(IFWL_Widget* pWidget,
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CFX_Graphics* pGraphics,
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const CFX_Matrix* pMatrix);
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void DrawWidgetAfter(IFWL_Widget* pWidget,
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CFX_Graphics* pGraphics,
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CFX_RectF& rtClip,
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const CFX_Matrix* pMatrix);
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FX_BOOL IsNeedRepaint(IFWL_Widget* pWidget,
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CFX_Matrix* pMatrix,
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const CFX_RectF& rtDirty);
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FX_BOOL bUseOffscreenDirect(IFWL_Widget* pWidget);
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CFWL_WidgetMgr* m_pWidgetMgr;
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};
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#endif // XFA_FWL_CORE_CFWL_WIDGETMGR_H_
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