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Diffstat (limited to 'xfa/fwl/core/cfwl_widgetmgr.h')
| -rw-r--r-- | xfa/fwl/core/cfwl_widgetmgr.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/xfa/fwl/core/cfwl_widgetmgr.h b/xfa/fwl/core/cfwl_widgetmgr.h new file mode 100644 index 0000000000..957f6dc428 --- /dev/null +++ b/xfa/fwl/core/cfwl_widgetmgr.h @@ -0,0 +1,159 @@ +// 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() : CFWL_WidgetMgrItem(nullptr) {} + explicit CFWL_WidgetMgrItem(IFWL_Widget* widget) + : pParent(nullptr), + pOwner(nullptr), + pChild(nullptr), + pPrevious(nullptr), + pNext(nullptr), + pWidget(widget), + iRedrawCounter(0) +#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) + , + bOutsideChanged(FALSE) +#endif + { + } + ~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 = NULL); + + 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 = NULL); + 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_ |