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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #ifndef XFA_FWL_CORE_FWL_WIDGETMGRIMP_H_ | |
| 8 #define XFA_FWL_CORE_FWL_WIDGETMGRIMP_H_ | |
| 9 | |
| 10 #include <map> | |
| 11 #include <memory> | |
| 12 | |
| 13 #include "core/fxcrt/include/fx_system.h" | |
| 14 #include "xfa/fwl/core/fwl_error.h" | |
| 15 #include "xfa/fxgraphics/include/cfx_graphics.h" | |
| 16 | |
| 17 #define FWL_WGTMGR_DisableThread 0x00000001 | |
| 18 #define FWL_WGTMGR_DisableForm 0x00000002 | |
| 19 | |
| 20 class CFWL_Message; | |
| 21 class CFWL_WidgetMgrDelegate; | |
| 22 class CXFA_FFApp; | |
| 23 class CXFA_FWLAdapterWidgetMgr; | |
| 24 class CFX_Graphics; | |
| 25 class CFX_Matrix; | |
| 26 class IFWL_Widget; | |
| 27 | |
| 28 class CFWL_WidgetMgrItem { | |
| 29 public: | |
| 30 CFWL_WidgetMgrItem() : CFWL_WidgetMgrItem(nullptr) {} | |
| 31 explicit CFWL_WidgetMgrItem(IFWL_Widget* widget) | |
| 32 : pParent(nullptr), | |
| 33 pOwner(nullptr), | |
| 34 pChild(nullptr), | |
| 35 pPrevious(nullptr), | |
| 36 pNext(nullptr), | |
| 37 pWidget(widget), | |
| 38 iRedrawCounter(0) | |
| 39 #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) | |
| 40 , | |
| 41 bOutsideChanged(FALSE) | |
| 42 #endif | |
| 43 { | |
| 44 } | |
| 45 ~CFWL_WidgetMgrItem() {} | |
| 46 | |
| 47 CFWL_WidgetMgrItem* pParent; | |
| 48 CFWL_WidgetMgrItem* pOwner; | |
| 49 CFWL_WidgetMgrItem* pChild; | |
| 50 CFWL_WidgetMgrItem* pPrevious; | |
| 51 CFWL_WidgetMgrItem* pNext; | |
| 52 IFWL_Widget* const pWidget; | |
| 53 std::unique_ptr<CFX_Graphics> pOffscreen; | |
| 54 int32_t iRedrawCounter; | |
| 55 #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) | |
| 56 FX_BOOL bOutsideChanged; | |
| 57 #endif | |
| 58 }; | |
| 59 | |
| 60 class CFWL_WidgetMgr { | |
| 61 public: | |
| 62 static CFWL_WidgetMgr* GetInstance(); | |
| 63 | |
| 64 explicit CFWL_WidgetMgr(CXFA_FFApp* pAdapterNative); | |
| 65 ~CFWL_WidgetMgr(); | |
| 66 | |
| 67 IFWL_Widget* GetParentWidget(IFWL_Widget* pWidget) const; | |
| 68 IFWL_Widget* GetOwnerWidget(IFWL_Widget* pWidget) const; | |
| 69 IFWL_Widget* GetFirstSiblingWidget(IFWL_Widget* pWidget) const; | |
| 70 IFWL_Widget* GetPriorSiblingWidget(IFWL_Widget* pWidget) const; | |
| 71 IFWL_Widget* GetNextSiblingWidget(IFWL_Widget* pWidget) const; | |
| 72 IFWL_Widget* GetLastSiblingWidget(IFWL_Widget* pWidget) const; | |
| 73 IFWL_Widget* GetFirstChildWidget(IFWL_Widget* pWidget) const; | |
| 74 IFWL_Widget* GetLastChildWidget(IFWL_Widget* pWidget) const; | |
| 75 IFWL_Widget* GetSystemFormWidget(IFWL_Widget* pWidget) const; | |
| 76 | |
| 77 FX_BOOL SetWidgetIndex(IFWL_Widget* pWidget, int32_t nIndex); | |
| 78 FWL_Error RepaintWidget(IFWL_Widget* pWidget, const CFX_RectF* pRect = NULL); | |
| 79 | |
| 80 void AddWidget(IFWL_Widget* pWidget); | |
| 81 void InsertWidget(IFWL_Widget* pParent, | |
| 82 IFWL_Widget* pChild, | |
| 83 int32_t nIndex = -1); | |
| 84 void RemoveWidget(IFWL_Widget* pWidget); | |
| 85 void SetOwner(IFWL_Widget* pOwner, IFWL_Widget* pOwned); | |
| 86 void SetParent(IFWL_Widget* pParent, IFWL_Widget* pChild); | |
| 87 FX_BOOL IsChild(IFWL_Widget* pChild, IFWL_Widget* pParent); | |
| 88 FWL_Error SetWidgetRect_Native(IFWL_Widget* pWidget, const CFX_RectF& rect); | |
| 89 IFWL_Widget* GetWidgetAtPoint(IFWL_Widget* pParent, FX_FLOAT fx, FX_FLOAT fy); | |
| 90 void NotifySizeChanged(IFWL_Widget* pForm, FX_FLOAT fx, FX_FLOAT fy); | |
| 91 IFWL_Widget* nextTab(IFWL_Widget* parent, IFWL_Widget* focus, FX_BOOL& bFind); | |
| 92 int32_t CountRadioButtonGroup(IFWL_Widget* pFirst); | |
| 93 IFWL_Widget* GetSiblingRadioButton(IFWL_Widget* pWidget, FX_BOOL bNext); | |
| 94 IFWL_Widget* GetRadioButtonGroupHeader(IFWL_Widget* pRadioButton); | |
| 95 void GetSameGroupRadioButton(IFWL_Widget* pRadioButton, | |
| 96 CFX_ArrayTemplate<IFWL_Widget*>& group); | |
| 97 IFWL_Widget* GetDefaultButton(IFWL_Widget* pParent); | |
| 98 void AddRedrawCounts(IFWL_Widget* pWidget); | |
| 99 void ResetRedrawCounts(IFWL_Widget* pWidget); | |
| 100 CXFA_FWLAdapterWidgetMgr* GetAdapterWidgetMgr() const { return m_pAdapter; } | |
| 101 CFWL_WidgetMgrDelegate* GetDelegate() const { return m_pDelegate.get(); } | |
| 102 CFWL_WidgetMgrItem* GetWidgetMgrItem(IFWL_Widget* pWidget) const; | |
| 103 bool IsThreadEnabled(); | |
| 104 bool IsFormDisabled(); | |
| 105 FX_BOOL GetAdapterPopupPos(IFWL_Widget* pWidget, | |
| 106 FX_FLOAT fMinHeight, | |
| 107 FX_FLOAT fMaxHeight, | |
| 108 const CFX_RectF& rtAnchor, | |
| 109 CFX_RectF& rtPopup); | |
| 110 | |
| 111 protected: | |
| 112 int32_t TravelWidgetMgr(CFWL_WidgetMgrItem* pParent, | |
| 113 int32_t* pIndex, | |
| 114 CFWL_WidgetMgrItem* pItem, | |
| 115 IFWL_Widget** pWidget = NULL); | |
| 116 FX_BOOL IsAbleNative(IFWL_Widget* pWidget) const; | |
| 117 | |
| 118 uint32_t m_dwCapability; | |
| 119 std::unique_ptr<CFWL_WidgetMgrDelegate> m_pDelegate; | |
| 120 std::map<IFWL_Widget*, std::unique_ptr<CFWL_WidgetMgrItem>> m_mapWidgetItem; | |
| 121 CXFA_FWLAdapterWidgetMgr* const m_pAdapter; | |
| 122 #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) | |
| 123 CFX_RectF m_rtScreen; | |
| 124 #endif | |
| 125 friend class CFWL_WidgetMgrDelegate; | |
| 126 }; | |
| 127 | |
| 128 class CFWL_WidgetMgrDelegate { | |
| 129 public: | |
| 130 CFWL_WidgetMgrDelegate(CFWL_WidgetMgr* pWidgetMgr); | |
| 131 ~CFWL_WidgetMgrDelegate() {} | |
| 132 | |
| 133 FWL_Error OnSetCapability(uint32_t dwCapability = FWL_WGTMGR_DisableThread); | |
| 134 void OnProcessMessageToForm(CFWL_Message* pMessage); | |
| 135 void OnDrawWidget(IFWL_Widget* pWidget, | |
| 136 CFX_Graphics* pGraphics, | |
| 137 const CFX_Matrix* pMatrix); | |
| 138 | |
| 139 protected: | |
| 140 void DrawChild(IFWL_Widget* pParent, | |
| 141 const CFX_RectF& rtClip, | |
| 142 CFX_Graphics* pGraphics, | |
| 143 const CFX_Matrix* pMatrix); | |
| 144 CFX_Graphics* DrawWidgetBefore(IFWL_Widget* pWidget, | |
| 145 CFX_Graphics* pGraphics, | |
| 146 const CFX_Matrix* pMatrix); | |
| 147 void DrawWidgetAfter(IFWL_Widget* pWidget, | |
| 148 CFX_Graphics* pGraphics, | |
| 149 CFX_RectF& rtClip, | |
| 150 const CFX_Matrix* pMatrix); | |
| 151 FX_BOOL IsNeedRepaint(IFWL_Widget* pWidget, | |
| 152 CFX_Matrix* pMatrix, | |
| 153 const CFX_RectF& rtDirty); | |
| 154 FX_BOOL bUseOffscreenDirect(IFWL_Widget* pWidget); | |
| 155 | |
| 156 CFWL_WidgetMgr* m_pWidgetMgr; | |
| 157 }; | |
| 158 | |
| 159 #endif // XFA_FWL_CORE_FWL_WIDGETMGRIMP_H_ | |
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