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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 _FWL_WIDGET_LIGHT_H
#define _FWL_WIDGET_LIGHT_H
class CFWL_WidgetMgr;
class CFWL_Message;
class CFWL_Event;
class IFWL_WidgetDelegate;
class IFWL_Widget;
class CFWL_Widget;
class CFWL_WidgetDelegate;
class CFWL_WidgetProperties
{
public:
CFWL_WidgetProperties()
{
m_ctmOnParent.Reset();
m_rtWidget.Set(0, 0, 0, 0);
m_dwStyles = FWL_WGTSTYLE_Child;
m_dwStyleExes = 0;
m_dwStates = 0;
m_pParent = NULL;
m_pOwner = NULL;
}
CFX_WideString m_wsWindowclass;
CFX_Matrix m_ctmOnParent;
CFX_RectF m_rtWidget;
FX_DWORD m_dwStyles;
FX_DWORD m_dwStyleExes;
FX_DWORD m_dwStates;
CFWL_Widget *m_pParent;
CFWL_Widget *m_pOwner;
};
class CFWL_Widget
{
public:
IFWL_Widget* GetWidget();
FX_DWORD Release();
CFWL_Widget* Retain();
FX_DWORD GetRefCount() const;
FWL_ERR GetClassName(CFX_WideString &wsClass) const;
FX_DWORD GetClassID() const;
virtual FX_BOOL IsInstance(FX_WSTR wsClass) const;
protected:
FWL_ERR Initialize(const CFWL_WidgetProperties *pProperties = NULL);
public:
FWL_ERR GetWidgetRect(CFX_RectF &rect, FX_BOOL bAutoSize = FALSE);
FWL_ERR GetGlobalRect(CFX_RectF &rect);
FWL_ERR SetWidgetRect(const CFX_RectF &rect);
FWL_ERR GetClientRect(CFX_RectF &rtClient);
CFWL_Widget* GetParent();
FWL_ERR SetParent(CFWL_Widget *pParent);
CFWL_Widget* GetOwner();
FWL_ERR SetOwner(CFWL_Widget *pOwner);
FX_DWORD GetStyles();
FWL_ERR ModifyStyles(FX_DWORD dwStylesAdded, FX_DWORD dwStylesRemoved);
FX_DWORD GetStylesEx();
FWL_ERR ModifyStylesEx(FX_DWORD dwStylesExAdded, FX_DWORD dwStylesExRemoved);
FX_DWORD GetStates();
FWL_ERR SetStates(FX_DWORD dwStates, FX_BOOL bSet = TRUE);
FWL_ERR SetPrivateData(void* module_id, void* pData, PD_CALLBACK_FREEDATA callback);
void* GetPrivateData(void* module_id);
FWL_ERR Update();
FWL_ERR LockUpdate();
FWL_ERR UnlockUpdate();
FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy);
FWL_ERR TransformTo(CFWL_Widget *pWidget, FX_FLOAT &fx, FX_FLOAT &fy);
FWL_ERR TransformTo(CFWL_Widget *pWidget, CFX_RectF &rt);
FWL_ERR GetMatrix(CFX_Matrix &matrix, FX_BOOL bGlobal = FALSE);
FWL_ERR SetMatrix(const CFX_Matrix &matrix);
FWL_ERR DrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix = NULL);
FWL_ERR GetProperties(CFWL_WidgetProperties &properties);
FWL_ERR SetProperties(const CFWL_WidgetProperties &properties);
IFWL_WidgetDelegate* SetDelegate(IFWL_WidgetDelegate* pDelegate);
FWL_ERR Repaint(const CFX_RectF *pRect = NULL);
FWL_ERR SetFocus(FX_BOOL bFocus);
FWL_ERR SetGrab(FX_BOOL bSet);
CFWL_Widget();
virtual ~CFWL_Widget();
void RegisterEventTarget(CFWL_Widget *pEventSource = NULL, FX_DWORD dwFilter = FWL_EVENT_ALL_MASK);
void DispatchEvent(CFWL_Event *pEvent);
CFX_SizeF CalcTextSize(const CFX_WideString &wsText, FX_BOOL bMultiLine = FALSE, int32_t iLineWidth = -1);
IFWL_Widget *m_pImp;
IFWL_WidgetDelegate *m_pDelegate;
CFWL_WidgetMgr *m_pWidgetMgr;
CFWL_WidgetProperties *m_pProperties;
};
class CFWL_WidgetDelegate
{
public:
CFWL_WidgetDelegate();
virtual ~CFWL_WidgetDelegate();
virtual int32_t OnProcessMessage(CFWL_Message *pMessage);
virtual FWL_ERR OnProcessEvent(CFWL_Event *pEvent);
virtual FWL_ERR OnDrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix = NULL);
};
#endif
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