// 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 |