| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef XFA_FWL_CORE_CFWL_WIDGETMGR_H_ |
| #define XFA_FWL_CORE_CFWL_WIDGETMGR_H_ |
| |
| #include <map> |
| #include <memory> |
| |
| #include "core/fxcrt/include/fx_system.h" |
| #include "xfa/fwl/core/fwl_error.h" |
| #include "xfa/fxgraphics/include/cfx_graphics.h" |
| |
| #define FWL_WGTMGR_DisableThread 0x00000001 |
| #define FWL_WGTMGR_DisableForm 0x00000002 |
| |
| class CFWL_Message; |
| class CFWL_WidgetMgrDelegate; |
| class CXFA_FFApp; |
| class CXFA_FWLAdapterWidgetMgr; |
| class CFX_Graphics; |
| class CFX_Matrix; |
| class IFWL_Widget; |
| |
| class CFWL_WidgetMgrItem { |
| public: |
| CFWL_WidgetMgrItem(); |
| explicit CFWL_WidgetMgrItem(IFWL_Widget* widget); |
| ~CFWL_WidgetMgrItem(); |
| |
| CFWL_WidgetMgrItem* pParent; |
| CFWL_WidgetMgrItem* pOwner; |
| CFWL_WidgetMgrItem* pChild; |
| CFWL_WidgetMgrItem* pPrevious; |
| CFWL_WidgetMgrItem* pNext; |
| IFWL_Widget* const pWidget; |
| std::unique_ptr<CFX_Graphics> pOffscreen; |
| int32_t iRedrawCounter; |
| #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) |
| FX_BOOL bOutsideChanged; |
| #endif |
| }; |
| |
| class CFWL_WidgetMgr { |
| public: |
| static CFWL_WidgetMgr* GetInstance(); |
| |
| explicit CFWL_WidgetMgr(CXFA_FFApp* pAdapterNative); |
| ~CFWL_WidgetMgr(); |
| |
| IFWL_Widget* GetParentWidget(IFWL_Widget* pWidget) const; |
| IFWL_Widget* GetOwnerWidget(IFWL_Widget* pWidget) const; |
| IFWL_Widget* GetFirstSiblingWidget(IFWL_Widget* pWidget) const; |
| IFWL_Widget* GetPriorSiblingWidget(IFWL_Widget* pWidget) const; |
| IFWL_Widget* GetNextSiblingWidget(IFWL_Widget* pWidget) const; |
| IFWL_Widget* GetLastSiblingWidget(IFWL_Widget* pWidget) const; |
| IFWL_Widget* GetFirstChildWidget(IFWL_Widget* pWidget) const; |
| IFWL_Widget* GetLastChildWidget(IFWL_Widget* pWidget) const; |
| IFWL_Widget* GetSystemFormWidget(IFWL_Widget* pWidget) const; |
| |
| FX_BOOL SetWidgetIndex(IFWL_Widget* pWidget, int32_t nIndex); |
| FWL_Error RepaintWidget(IFWL_Widget* pWidget, |
| const CFX_RectF* pRect = nullptr); |
| |
| void AddWidget(IFWL_Widget* pWidget); |
| void InsertWidget(IFWL_Widget* pParent, |
| IFWL_Widget* pChild, |
| int32_t nIndex = -1); |
| void RemoveWidget(IFWL_Widget* pWidget); |
| void SetOwner(IFWL_Widget* pOwner, IFWL_Widget* pOwned); |
| void SetParent(IFWL_Widget* pParent, IFWL_Widget* pChild); |
| FX_BOOL IsChild(IFWL_Widget* pChild, IFWL_Widget* pParent); |
| FWL_Error SetWidgetRect_Native(IFWL_Widget* pWidget, const CFX_RectF& rect); |
| IFWL_Widget* GetWidgetAtPoint(IFWL_Widget* pParent, FX_FLOAT fx, FX_FLOAT fy); |
| void NotifySizeChanged(IFWL_Widget* pForm, FX_FLOAT fx, FX_FLOAT fy); |
| IFWL_Widget* nextTab(IFWL_Widget* parent, IFWL_Widget* focus, FX_BOOL& bFind); |
| int32_t CountRadioButtonGroup(IFWL_Widget* pFirst); |
| IFWL_Widget* GetSiblingRadioButton(IFWL_Widget* pWidget, FX_BOOL bNext); |
| IFWL_Widget* GetRadioButtonGroupHeader(IFWL_Widget* pRadioButton); |
| void GetSameGroupRadioButton(IFWL_Widget* pRadioButton, |
| CFX_ArrayTemplate<IFWL_Widget*>& group); |
| IFWL_Widget* GetDefaultButton(IFWL_Widget* pParent); |
| void AddRedrawCounts(IFWL_Widget* pWidget); |
| void ResetRedrawCounts(IFWL_Widget* pWidget); |
| CXFA_FWLAdapterWidgetMgr* GetAdapterWidgetMgr() const { return m_pAdapter; } |
| CFWL_WidgetMgrDelegate* GetDelegate() const { return m_pDelegate.get(); } |
| CFWL_WidgetMgrItem* GetWidgetMgrItem(IFWL_Widget* pWidget) const; |
| bool IsThreadEnabled(); |
| bool IsFormDisabled(); |
| FX_BOOL GetAdapterPopupPos(IFWL_Widget* pWidget, |
| FX_FLOAT fMinHeight, |
| FX_FLOAT fMaxHeight, |
| const CFX_RectF& rtAnchor, |
| CFX_RectF& rtPopup); |
| |
| protected: |
| int32_t TravelWidgetMgr(CFWL_WidgetMgrItem* pParent, |
| int32_t* pIndex, |
| CFWL_WidgetMgrItem* pItem, |
| IFWL_Widget** pWidget = nullptr); |
| FX_BOOL IsAbleNative(IFWL_Widget* pWidget) const; |
| |
| uint32_t m_dwCapability; |
| std::unique_ptr<CFWL_WidgetMgrDelegate> m_pDelegate; |
| std::map<IFWL_Widget*, std::unique_ptr<CFWL_WidgetMgrItem>> m_mapWidgetItem; |
| CXFA_FWLAdapterWidgetMgr* const m_pAdapter; |
| #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) |
| CFX_RectF m_rtScreen; |
| #endif |
| friend class CFWL_WidgetMgrDelegate; |
| }; |
| |
| class CFWL_WidgetMgrDelegate { |
| public: |
| explicit CFWL_WidgetMgrDelegate(CFWL_WidgetMgr* pWidgetMgr); |
| ~CFWL_WidgetMgrDelegate() {} |
| |
| FWL_Error OnSetCapability(uint32_t dwCapability = FWL_WGTMGR_DisableThread); |
| void OnProcessMessageToForm(CFWL_Message* pMessage); |
| void OnDrawWidget(IFWL_Widget* pWidget, |
| CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix); |
| |
| protected: |
| void DrawChild(IFWL_Widget* pParent, |
| const CFX_RectF& rtClip, |
| CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix); |
| CFX_Graphics* DrawWidgetBefore(IFWL_Widget* pWidget, |
| CFX_Graphics* pGraphics, |
| const CFX_Matrix* pMatrix); |
| void DrawWidgetAfter(IFWL_Widget* pWidget, |
| CFX_Graphics* pGraphics, |
| CFX_RectF& rtClip, |
| const CFX_Matrix* pMatrix); |
| FX_BOOL IsNeedRepaint(IFWL_Widget* pWidget, |
| CFX_Matrix* pMatrix, |
| const CFX_RectF& rtDirty); |
| FX_BOOL bUseOffscreenDirect(IFWL_Widget* pWidget); |
| |
| CFWL_WidgetMgr* m_pWidgetMgr; |
| }; |
| |
| #endif // XFA_FWL_CORE_CFWL_WIDGETMGR_H_ |