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