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 _FWL_WIDGETMGR_IMP_H 8 #define _FWL_WIDGETMGR_IMP_H 9 class CFWL_TargetImp; 10 class IFWL_Widget; 11 class IFWL_AdapterWidgetMgr; 12 class CFWL_WidgetMgrItem; 13 class CFWL_WidgetMgr; 14 class CFWL_WidgetMgrDelegate; 15 class IFWL_AdapterNative; 16 class CFWL_WidgetMgrItem { 17 public: CFWL_WidgetMgrItem()18 CFWL_WidgetMgrItem() 19 : pParent(NULL), 20 pOwner(NULL), 21 pChild(NULL), 22 pPrevious(NULL), 23 pNext(NULL), 24 pWidget(NULL), 25 pOffscreen(NULL), 26 iRedrawCounter(0) 27 #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) 28 , 29 bOutsideChanged(FALSE) 30 #endif 31 { 32 } ~CFWL_WidgetMgrItem()33 ~CFWL_WidgetMgrItem() { 34 if (pOffscreen) { 35 delete pOffscreen; 36 pOffscreen = NULL; 37 } 38 } 39 CFWL_WidgetMgrItem* pParent; 40 CFWL_WidgetMgrItem* pOwner; 41 CFWL_WidgetMgrItem* pChild; 42 CFWL_WidgetMgrItem* pPrevious; 43 CFWL_WidgetMgrItem* pNext; 44 IFWL_Widget* pWidget; 45 CFX_Graphics* pOffscreen; 46 int32_t iRedrawCounter; 47 #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) 48 FX_BOOL bOutsideChanged; 49 #endif 50 }; 51 52 class CFWL_WidgetMgr : public IFWL_WidgetMgr { 53 public: 54 CFWL_WidgetMgr(IFWL_AdapterNative* pAdapterNative); 55 ~CFWL_WidgetMgr() override; 56 57 // IFWL_WidgetMgr: 58 int32_t CountWidgets(IFWL_Widget* pParent = NULL) override; 59 IFWL_Widget* GetWidget(int32_t nIndex, IFWL_Widget* pParent = NULL) override; 60 IFWL_Widget* GetWidget(IFWL_Widget* pWidget, 61 FWL_WGTRELATION eRelation) override; 62 int32_t GetWidgetIndex(IFWL_Widget* pWidget) override; 63 FX_BOOL SetWidgetIndex(IFWL_Widget* pWidget, int32_t nIndex) override; 64 FWL_ERR RepaintWidget(IFWL_Widget* pWidget, 65 const CFX_RectF* pRect = NULL) override; GetCapability()66 FX_DWORD GetCapability() override { return m_dwCapability; } 67 68 void AddWidget(IFWL_Widget* pWidget); 69 void InsertWidget(IFWL_Widget* pParent, 70 IFWL_Widget* pChild, 71 int32_t nIndex = -1); 72 void RemoveWidget(IFWL_Widget* pWidget); 73 void SetOwner(IFWL_Widget* pOwner, IFWL_Widget* pOwned); 74 void SetParent(IFWL_Widget* pParent, IFWL_Widget* pChild); 75 FX_BOOL IsChild(IFWL_Widget* pChild, IFWL_Widget* pParent); 76 FWL_ERR CreateWidget_Native(IFWL_Widget* pWidget); 77 FWL_ERR DestroyWidget_Native(IFWL_Widget* pWidget); 78 FWL_ERR GetWidgetRect_Native(IFWL_Widget* pWidget, CFX_RectF& rect); 79 FWL_ERR SetWidgetRect_Native(IFWL_Widget* pWidget, const CFX_RectF& rect); 80 FWL_ERR SetWidgetPosition_Native(IFWL_Widget* pWidget, 81 FX_FLOAT fx, 82 FX_FLOAT fy); 83 FWL_ERR SetWidgetIcon_Native(IFWL_Widget* pWidget, 84 const CFX_DIBitmap* pIcon, 85 FX_BOOL bBig); 86 FWL_ERR SetWidgetCaption_Native(IFWL_Widget* pWidget, 87 const CFX_WideStringC& wsCaption); 88 FWL_ERR SetBorderRegion_Native(IFWL_Widget* pWidget, CFX_Path* pPath); 89 FWL_ERR ShowWidget_Native(IFWL_Widget* pWidget); 90 FWL_ERR HideWidget_Native(IFWL_Widget* pWidget); 91 FWL_ERR SetNormal_Native(IFWL_Widget* pWidget); 92 FWL_ERR SetMaximize_Native(IFWL_Widget* pWidget); 93 FWL_ERR SetMinimize_Native(IFWL_Widget* pWidget); 94 FX_BOOL CheckMessage_Native(); 95 FWL_ERR DispatchMessage_Native(); 96 FX_BOOL IsIdleMessage_Native(); 97 FWL_ERR Exit_Native(int32_t iExitCode); 98 FWL_ERR CreateWidgetWithNativeId_Native(IFWL_Widget* pWidget, void* vp); 99 IFWL_Widget* GetWidgetAtPoint(IFWL_Widget* pParent, FX_FLOAT fx, FX_FLOAT fy); 100 void NotifySizeChanged(IFWL_Widget* pForm, FX_FLOAT fx, FX_FLOAT fy); 101 IFWL_Widget* nextTab(IFWL_Widget* parent, IFWL_Widget* focus, FX_BOOL& bFind); 102 int32_t CountRadioButtonGroup(IFWL_Widget* pFirst); 103 IFWL_Widget* GetSiblingRadioButton(IFWL_Widget* pWidget, FX_BOOL bNext); 104 IFWL_Widget* GetRadioButtonGroupHeader(IFWL_Widget* pRadioButton); 105 void GetSameGroupRadioButton(IFWL_Widget* pRadioButton, CFX_PtrArray& group); 106 IFWL_Widget* GetDefaultButton(IFWL_Widget* pParent); 107 void AddRedrawCounts(IFWL_Widget* pWidget); 108 void ResetRedrawCounts(IFWL_Widget* pWidget); GetAdapterWidgetMgr()109 IFWL_AdapterWidgetMgr* GetAdapterWidgetMgr() { return m_pAdapter; } GetDelegate()110 CFWL_WidgetMgrDelegate* GetDelegate() { return m_pDelegate; } 111 CFWL_WidgetMgrItem* GetWidgetMgrItem(IFWL_Widget* pWidget); 112 FX_BOOL IsThreadEnabled(); 113 FX_BOOL IsFormDisabled(); 114 FX_BOOL GetAdapterPopupPos(IFWL_Widget* pWidget, 115 FX_FLOAT fMinHeight, 116 FX_FLOAT fMaxHeight, 117 const CFX_RectF& rtAnchor, 118 CFX_RectF& rtPopup); 119 120 protected: 121 int32_t TravelWidgetMgr(CFWL_WidgetMgrItem* pParent, 122 int32_t* pIndex, 123 CFWL_WidgetMgrItem* pItem, 124 IFWL_Widget** pWidget = NULL); 125 FX_BOOL IsAbleNative(IFWL_Widget* pWidget); 126 CFX_MapPtrToPtr m_mapWidgetItem; 127 IFWL_AdapterWidgetMgr* m_pAdapter; 128 CFWL_WidgetMgrDelegate* m_pDelegate; 129 friend class CFWL_WidgetMgrDelegate; 130 FX_DWORD m_dwCapability; 131 #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) 132 CFX_RectF m_rtScreen; 133 #endif 134 }; 135 136 class CFWL_WidgetMgrDelegate : public IFWL_WidgetMgrDelegate { 137 public: 138 CFWL_WidgetMgrDelegate(CFWL_WidgetMgr* pWidgetMgr); ~CFWL_WidgetMgrDelegate()139 ~CFWL_WidgetMgrDelegate() override {} 140 141 // IFWL_WidgetMgrDelegate: 142 FWL_ERR OnSetCapability( 143 FX_DWORD dwCapability = FWL_WGTMGR_DisableThread) override; 144 int32_t OnProcessMessageToForm(CFWL_Message* pMessage) override; 145 FWL_ERR OnDrawWidget(IFWL_Widget* pWidget, 146 CFX_Graphics* pGraphics, 147 const CFX_Matrix* pMatrix) override; 148 149 protected: 150 void DrawChild(IFWL_Widget* pParent, 151 const CFX_RectF& rtClip, 152 CFX_Graphics* pGraphics, 153 const CFX_Matrix* pMatrix); 154 CFX_Graphics* DrawWidgetBefore(IFWL_Widget* pWidget, 155 CFX_Graphics* pGraphics, 156 const CFX_Matrix* pMatrix); 157 void DrawWidgetAfter(IFWL_Widget* pWidget, 158 CFX_Graphics* pGraphics, 159 CFX_RectF& rtClip, 160 const CFX_Matrix* pMatrix); 161 FX_BOOL IsNeedRepaint(IFWL_Widget* pWidget, 162 CFX_Matrix* pMatrix, 163 const CFX_RectF& rtDirty); 164 FX_BOOL bUseOffscreenDirect(IFWL_Widget* pWidget); 165 166 CFWL_WidgetMgr* m_pWidgetMgr; 167 }; 168 #endif 169