// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FWL_CORE_FWL_WIDGETIMP_H_
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#define XFA_FWL_CORE_FWL_WIDGETIMP_H_
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#include "core/fxcrt/include/fx_coordinates.h"
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#include "core/fxcrt/include/fx_system.h"
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#include "xfa/fwl/core/cfwl_event.h"
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#include "xfa/fwl/core/cfwl_themepart.h"
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#include "xfa/fwl/core/ifwl_widgetdelegate.h"
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#include "xfa/fwl/core/include/fwl_widgethit.h"
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#include "xfa/fwl/theme/cfwl_widgettp.h"
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class CFWL_AppImp;
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class CFWL_MsgKey;
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class CFWL_WidgetImpProperties;
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class CFWL_WidgetMgr;
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class IFWL_App;
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class IFWL_DataProvider;
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class IFWL_ThemeProvider;
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class IFWL_Widget;
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enum class FWL_Type;
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class CFWL_WidgetImp {
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public:
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virtual ~CFWL_WidgetImp();
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virtual FWL_Error Initialize();
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virtual FWL_Error Finalize();
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virtual FWL_Error GetClassName(CFX_WideString& wsClass) const;
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virtual FWL_Type GetClassID() const = 0;
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virtual FX_BOOL IsInstance(const CFX_WideStringC& wsClass) const;
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virtual FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
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virtual FWL_Error GetGlobalRect(CFX_RectF& rect);
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virtual FWL_Error SetWidgetRect(const CFX_RectF& rect);
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virtual FWL_Error GetClientRect(CFX_RectF& rect);
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virtual IFWL_Widget* GetParent();
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virtual FWL_Error SetParent(IFWL_Widget* pParent);
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virtual IFWL_Widget* GetOwner();
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virtual FWL_Error SetOwner(IFWL_Widget* pOwner);
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virtual IFWL_Widget* GetOuter();
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virtual uint32_t GetStyles();
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virtual FWL_Error ModifyStyles(uint32_t dwStylesAdded,
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uint32_t dwStylesRemoved);
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virtual uint32_t GetStylesEx();
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virtual FWL_Error ModifyStylesEx(uint32_t dwStylesExAdded,
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uint32_t dwStylesExRemoved);
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virtual uint32_t GetStates();
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virtual void SetStates(uint32_t dwStates, FX_BOOL bSet = TRUE);
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virtual FWL_Error Update();
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virtual FWL_Error LockUpdate();
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virtual FWL_Error UnlockUpdate();
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virtual FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy);
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virtual FWL_Error TransformTo(IFWL_Widget* pWidget,
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FX_FLOAT& fx,
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FX_FLOAT& fy);
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virtual FWL_Error TransformTo(IFWL_Widget* pWidget, CFX_RectF& rt);
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virtual FWL_Error GetMatrix(CFX_Matrix& matrix, FX_BOOL bGlobal = FALSE);
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virtual FWL_Error SetMatrix(const CFX_Matrix& matrix);
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virtual FWL_Error DrawWidget(CFX_Graphics* pGraphics,
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const CFX_Matrix* pMatrix = nullptr);
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virtual IFWL_ThemeProvider* GetThemeProvider();
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virtual FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider);
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virtual FWL_Error SetDataProvider(IFWL_DataProvider* pDataProvider);
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virtual IFWL_WidgetDelegate* SetDelegate(IFWL_WidgetDelegate* pDelegate);
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virtual IFWL_App* GetOwnerApp() const;
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FWL_Error SetOwnerApp(CFWL_AppImp* pOwnerApp);
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IFWL_Widget* GetInterface() const;
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void SetInterface(IFWL_Widget* pInterface);
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CFX_SizeF GetOffsetFromParent(IFWL_Widget* pParent);
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uint32_t GetEventKey() const;
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void SetEventKey(uint32_t key);
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void* GetLayoutItem() const;
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void SetLayoutItem(void* pItem);
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void* GetAssociateWidget() const;
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void SetAssociateWidget(void* pAssociate);
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protected:
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friend class CFWL_WidgetImpDelegate;
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CFWL_WidgetImp(const CFWL_WidgetImpProperties& properties,
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IFWL_Widget* pOuter);
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FX_BOOL IsEnabled() const;
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FX_BOOL IsVisible() const;
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FX_BOOL IsActive() const;
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FX_BOOL IsOverLapper() const;
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FX_BOOL IsPopup() const;
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FX_BOOL IsChild() const;
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FX_BOOL IsLocked() const;
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FX_BOOL IsOffscreen() const;
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FX_BOOL HasBorder() const;
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FX_BOOL HasEdge() const;
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void GetEdgeRect(CFX_RectF& rtEdge);
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FX_FLOAT GetBorderSize(FX_BOOL bCX = TRUE);
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FX_FLOAT GetEdgeWidth();
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void GetRelativeRect(CFX_RectF& rect);
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void* GetThemeCapacity(CFWL_WidgetCapacity dwCapacity);
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IFWL_ThemeProvider* GetAvailableTheme();
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CFWL_WidgetImp* GetRootOuter();
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CFX_SizeF CalcTextSize(const CFX_WideString& wsText,
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IFWL_ThemeProvider* pTheme,
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FX_BOOL bMultiLine = FALSE,
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int32_t iLineWidth = -1);
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void CalcTextRect(const CFX_WideString& wsText,
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IFWL_ThemeProvider* pTheme,
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uint32_t dwTTOStyles,
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int32_t iTTOAlign,
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CFX_RectF& rect);
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void SetFocus(FX_BOOL bFocus);
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void SetGrab(FX_BOOL bSet);
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FX_BOOL GetPopupPos(FX_FLOAT fMinHeight,
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FX_FLOAT fMaxHeight,
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const CFX_RectF& rtAnchor,
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CFX_RectF& rtPopup);
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FX_BOOL GetPopupPosMenu(FX_FLOAT fMinHeight,
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FX_FLOAT fMaxHeight,
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const CFX_RectF& rtAnchor,
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CFX_RectF& rtPopup);
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FX_BOOL GetPopupPosComboBox(FX_FLOAT fMinHeight,
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FX_FLOAT fMaxHeight,
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const CFX_RectF& rtAnchor,
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CFX_RectF& rtPopup);
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FX_BOOL GetPopupPosGeneral(FX_FLOAT fMinHeight,
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FX_FLOAT fMaxHeight,
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const CFX_RectF& rtAnchor,
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CFX_RectF& rtPopup);
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FX_BOOL GetScreenSize(FX_FLOAT& fx, FX_FLOAT& fy);
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void RegisterEventTarget(IFWL_Widget* pEventSource = nullptr,
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uint32_t dwFilter = FWL_EVENT_ALL_MASK);
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void UnregisterEventTarget();
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void DispatchKeyEvent(CFWL_MsgKey* pNote);
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void DispatchEvent(CFWL_Event* pEvent);
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void Repaint(const CFX_RectF* pRect = nullptr);
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void DrawBackground(CFX_Graphics* pGraphics,
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CFWL_Part iPartBk,
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IFWL_ThemeProvider* pTheme,
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const CFX_Matrix* pMatrix = nullptr);
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void DrawBorder(CFX_Graphics* pGraphics,
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CFWL_Part iPartBorder,
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IFWL_ThemeProvider* pTheme,
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const CFX_Matrix* pMatrix = nullptr);
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void DrawEdge(CFX_Graphics* pGraphics,
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CFWL_Part iPartEdge,
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IFWL_ThemeProvider* pTheme,
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const CFX_Matrix* pMatrix = nullptr);
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void NotifyDriver();
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FX_BOOL IsParent(IFWL_Widget* pParent);
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CFWL_WidgetMgr* m_pWidgetMgr;
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CFWL_AppImp* m_pOwnerApp;
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CFWL_WidgetImpProperties* m_pProperties;
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IFWL_WidgetDelegate* m_pDelegate;
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IFWL_WidgetDelegate* m_pCurDelegate;
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IFWL_Widget* m_pOuter;
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IFWL_Widget* m_pInterface;
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void* m_pLayoutItem;
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void* m_pAssociate;
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int32_t m_iLock;
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uint32_t m_nEventKey;
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};
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class CFWL_WidgetImpDelegate : public IFWL_WidgetDelegate {
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public:
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CFWL_WidgetImpDelegate();
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~CFWL_WidgetImpDelegate() override {}
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void OnProcessMessage(CFWL_Message* pMessage) override;
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void OnProcessEvent(CFWL_Event* pEvent) override;
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void OnDrawWidget(CFX_Graphics* pGraphics,
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const CFX_Matrix* pMatrix = nullptr) override;
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};
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#endif // XFA_FWL_CORE_FWL_WIDGETIMP_H_
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