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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_WIDGETMGR_H
#define _FWL_WIDGETMGR_H
class IFWL_Widget;
class IFWL_WidgetMgr;
class IFWL_WidgetMgrDelegate;
enum FWL_WGTRELATION {
FWL_WGTRELATION_Parent = 0,
FWL_WGTRELATION_Owner,
FWL_WGTRELATION_FirstSibling,
FWL_WGTRELATION_PriorSibling,
FWL_WGTRELATION_NextSibling,
FWL_WGTRELATION_LastSibling,
FWL_WGTRELATION_FirstChild,
FWL_WGTRELATION_LastChild,
FWL_WGTRELATION_SystemForm
};
class IFWL_WidgetMgr {
public:
virtual ~IFWL_WidgetMgr() {}
virtual int32_t CountWidgets(IFWL_Widget* pParent = NULL) = 0;
virtual IFWL_Widget* GetWidget(int32_t nIndex,
IFWL_Widget* pParent = NULL) = 0;
virtual IFWL_Widget* GetWidget(IFWL_Widget* pWidget,
FWL_WGTRELATION eRelation) = 0;
virtual int32_t GetWidgetIndex(IFWL_Widget* pWidget) = 0;
virtual FX_BOOL SetWidgetIndex(IFWL_Widget* pWidget, int32_t nIndex) = 0;
virtual FWL_ERR RepaintWidget(IFWL_Widget* pWidget,
const CFX_RectF* pRect = NULL) = 0;
virtual FX_DWORD GetCapability() = 0;
};
IFWL_WidgetMgr* FWL_GetWidgetMgr();
FX_BOOL FWL_WidgetIsChild(IFWL_Widget* parent, IFWL_Widget* find);
#define FWL_WGTMGR_DisableThread 0x00000001
#define FWL_WGTMGR_DisableForm 0x00000002
class IFWL_WidgetMgrDelegate {
public:
virtual ~IFWL_WidgetMgrDelegate() {}
virtual FWL_ERR OnSetCapability(
FX_DWORD dwCapability = FWL_WGTMGR_DisableThread) = 0;
virtual int32_t OnProcessMessageToForm(CFWL_Message* pMessage) = 0;
virtual FWL_ERR OnDrawWidget(IFWL_Widget* pWidget,
CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix = NULL) = 0;
};
FWL_ERR FWL_WidgetMgrSnapshot(IFWL_Widget* pWidget,
const CFX_WideString* saveFile,
const CFX_Matrix* pMatrix = NULL);
#endif
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