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_WIDGET_H 8 #define _FWL_WIDGET_H 9 class IFWL_Target; 10 class IFWL_ThemeProvider; 11 class CFWL_WidgetImpProperties; 12 class IFWL_DataProvider; 13 class IFWL_Widget; 14 class IFWL_WidgetDelegate; 15 class IFWL_Custom; 16 class IFWL_Proxy; 17 class IFWL_Form; 18 19 class IFWL_DataProvider { 20 public: ~IFWL_DataProvider()21 virtual ~IFWL_DataProvider() {} 22 virtual FWL_ERR GetCaption(IFWL_Widget* pWidget, 23 CFX_WideString& wsCaption) = 0; 24 }; 25 class IFWL_Widget : public IFWL_Target { 26 public: 27 FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE); 28 FWL_ERR GetGlobalRect(CFX_RectF& rect); 29 FWL_ERR SetWidgetRect(const CFX_RectF& rect); 30 FWL_ERR GetClientRect(CFX_RectF& rect); 31 IFWL_Widget* GetParent(); 32 FWL_ERR SetParent(IFWL_Widget* pParent); 33 IFWL_Widget* GetOwner(); 34 FWL_ERR SetOwner(IFWL_Widget* pOwner); 35 IFWL_Widget* GetOuter(); 36 FX_DWORD GetStyles(); 37 FWL_ERR ModifyStyles(FX_DWORD dwStylesAdded, FX_DWORD dwStylesRemoved); 38 FX_DWORD GetStylesEx(); 39 FWL_ERR ModifyStylesEx(FX_DWORD dwStylesExAdded, FX_DWORD dwStylesExRemoved); 40 FX_DWORD GetStates(); 41 FWL_ERR SetStates(FX_DWORD dwStates, FX_BOOL bSet = TRUE); 42 FWL_ERR SetPrivateData(void* module_id, 43 void* pData, 44 PD_CALLBACK_FREEDATA callback); 45 void* GetPrivateData(void* module_id); 46 FWL_ERR Update(); 47 FWL_ERR LockUpdate(); 48 FWL_ERR UnlockUpdate(); 49 FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy); 50 FWL_ERR TransformTo(IFWL_Widget* pWidget, FX_FLOAT& fx, FX_FLOAT& fy); 51 FWL_ERR TransformTo(IFWL_Widget* pWidget, CFX_RectF& rt); 52 FWL_ERR GetMatrix(CFX_Matrix& matrix, FX_BOOL bGlobal = FALSE); 53 FWL_ERR SetMatrix(const CFX_Matrix& matrix); 54 FWL_ERR DrawWidget(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix = NULL); 55 IFWL_ThemeProvider* GetThemeProvider(); 56 FWL_ERR SetThemeProvider(IFWL_ThemeProvider* pThemeProvider); 57 FWL_ERR SetDataProvider(IFWL_DataProvider* pDataProvider); 58 IFWL_WidgetDelegate* SetDelegate(IFWL_WidgetDelegate* pDelegate); 59 IFWL_NoteThread* GetOwnerThread() const; 60 CFX_SizeF GetOffsetFromParent(IFWL_Widget* pParent); 61 }; 62 class IFWL_WidgetDelegate { 63 public: ~IFWL_WidgetDelegate()64 virtual ~IFWL_WidgetDelegate() {} 65 virtual int32_t OnProcessMessage(CFWL_Message* pMessage) = 0; 66 virtual FWL_ERR OnProcessEvent(CFWL_Event* pEvent) = 0; 67 virtual FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics, 68 const CFX_Matrix* pMatrix = NULL) = 0; 69 }; 70 class CFWL_WidgetImpProperties { 71 public: CFWL_WidgetImpProperties()72 CFWL_WidgetImpProperties() { 73 m_ctmOnParent.SetIdentity(); 74 m_rtWidget.Set(0, 0, 0, 0); 75 m_dwStyles = FWL_WGTSTYLE_Child; 76 m_dwStyleExes = 0; 77 m_dwStates = 0; 78 m_pThemeProvider = NULL; 79 m_pDataProvider = NULL; 80 m_pParent = NULL; 81 m_pOwner = NULL; 82 } 83 CFX_Matrix m_ctmOnParent; 84 CFX_RectF m_rtWidget; 85 FX_DWORD m_dwStyles; 86 FX_DWORD m_dwStyleExes; 87 FX_DWORD m_dwStates; 88 IFWL_ThemeProvider* m_pThemeProvider; 89 IFWL_DataProvider* m_pDataProvider; 90 IFWL_Widget* m_pParent; 91 IFWL_Widget* m_pOwner; 92 }; 93 class IFWL_Custom : public IFWL_Widget { 94 public: 95 static IFWL_Custom* Create(const CFWL_WidgetImpProperties& properties, 96 IFWL_Widget* pOuter); 97 98 FWL_ERR SetProxy(IFWL_Proxy* pProxy); 99 100 protected: 101 IFWL_Custom(); 102 }; 103 class IFWL_Proxy { 104 public: ~IFWL_Proxy()105 virtual ~IFWL_Proxy() {} 106 virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) = 0; 107 virtual FWL_ERR Update() = 0; 108 }; 109 #define FWL_ACCEL_Control (1L << 0) 110 #define FWL_ACCEL_Alt (1L << 1) 111 #define FWL_ACCEL_Shift (1L << 2) 112 #define FWL_ACCEL_VirtKey (1L << 3) 113 typedef struct _FWL_ACCEL { 114 FX_DWORD dwKey; 115 FX_DWORD dwCmd; 116 } FWL_ACCEL; 117 typedef CFX_MapPtrTemplate<FX_DWORD, FX_DWORD> CFX_MapAccelerators; 118 FWL_ERR FWL_Accelerator_SetApp(CFX_MapAccelerators* pMapAccel); 119 FWL_ERR FWL_Accelerator_SetThread(CFX_MapAccelerators* pMapAccel); 120 FWL_ERR FWL_Accelerator_SetForm(IFWL_Form* pFrom, 121 CFX_MapAccelerators* pMapAccel); 122 FWL_ERR FWL_EnabelWidget(IFWL_Widget* widget, FX_BOOL bEnable); 123 #endif 124