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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_CFWL_WIDGETMGR_H_
#define XFA_FWL_CORE_CFWL_WIDGETMGR_H_
#include <map>
#include <memory>
#include "core/fxcrt/fx_system.h"
#include "xfa/fwl/core/fwl_error.h"
#include "xfa/fxgraphics/cfx_graphics.h"
#define FWL_WGTMGR_DisableForm 0x00000002
class CFWL_Message;
class CXFA_FFApp;
class CXFA_FWLAdapterWidgetMgr;
class CFX_Graphics;
class CFX_Matrix;
class IFWL_Widget;
class CFWL_WidgetMgrItem {
public:
CFWL_WidgetMgrItem();
explicit CFWL_WidgetMgrItem(IFWL_Widget* widget);
~CFWL_WidgetMgrItem();
CFWL_WidgetMgrItem* pParent;
CFWL_WidgetMgrItem* pOwner;
CFWL_WidgetMgrItem* pChild;
CFWL_WidgetMgrItem* pPrevious;
CFWL_WidgetMgrItem* pNext;
IFWL_Widget* const pWidget;
std::unique_ptr<CFX_Graphics> pOffscreen;
int32_t iRedrawCounter;
#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
bool bOutsideChanged;
#endif
};
class IFWL_WidgetMgrDelegate {
public:
virtual void OnSetCapability(uint32_t dwCapability) = 0;
virtual void OnProcessMessageToForm(CFWL_Message* pMessage) = 0;
virtual void OnDrawWidget(IFWL_Widget* pWidget,
CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) = 0;
};
class CFWL_WidgetMgr : public IFWL_WidgetMgrDelegate {
public:
explicit CFWL_WidgetMgr(CXFA_FFApp* pAdapterNative);
~CFWL_WidgetMgr();
// IFWL_WidgetMgrDelegate
void OnSetCapability(uint32_t dwCapability) override;
void OnProcessMessageToForm(CFWL_Message* pMessage) override;
void OnDrawWidget(IFWL_Widget* pWidget,
CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) override;
IFWL_Widget* GetParentWidget(IFWL_Widget* pWidget) const;
IFWL_Widget* GetOwnerWidget(IFWL_Widget* pWidget) const;
IFWL_Widget* GetNextSiblingWidget(IFWL_Widget* pWidget) const;
IFWL_Widget* GetFirstChildWidget(IFWL_Widget* pWidget) const;
IFWL_Widget* GetSystemFormWidget(IFWL_Widget* pWidget) const;
void RepaintWidget(IFWL_Widget* pWidget, const CFX_RectF* pRect = nullptr);
void InsertWidget(IFWL_Widget* pParent,
IFWL_Widget* pChild,
int32_t nIndex = -1);
void RemoveWidget(IFWL_Widget* pWidget);
void SetOwner(IFWL_Widget* pOwner, IFWL_Widget* pOwned);
void SetParent(IFWL_Widget* pParent, IFWL_Widget* pChild);
void SetWidgetRect_Native(IFWL_Widget* pWidget, const CFX_RectF& rect);
IFWL_Widget* GetWidgetAtPoint(IFWL_Widget* pParent, FX_FLOAT fx, FX_FLOAT fy);
void NotifySizeChanged(IFWL_Widget* pForm, FX_FLOAT fx, FX_FLOAT fy);
IFWL_Widget* NextTab(IFWL_Widget* parent, IFWL_Widget* focus, bool& bFind);
void GetSameGroupRadioButton(IFWL_Widget* pRadioButton,
CFX_ArrayTemplate<IFWL_Widget*>& group) const;
IFWL_Widget* GetDefaultButton(IFWL_Widget* pParent) const;
void AddRedrawCounts(IFWL_Widget* pWidget);
bool IsFormDisabled() const {
return !!(m_dwCapability & FWL_WGTMGR_DisableForm);
}
void GetAdapterPopupPos(IFWL_Widget* pWidget,
FX_FLOAT fMinHeight,
FX_FLOAT fMaxHeight,
const CFX_RectF& rtAnchor,
CFX_RectF& rtPopup) const;
private:
IFWL_Widget* GetFirstSiblingWidget(IFWL_Widget* pWidget) const;
IFWL_Widget* GetPriorSiblingWidget(IFWL_Widget* pWidget) const;
IFWL_Widget* GetLastChildWidget(IFWL_Widget* pWidget) const;
CFWL_WidgetMgrItem* GetWidgetMgrItem(IFWL_Widget* pWidget) const;
void SetWidgetIndex(IFWL_Widget* pWidget, int32_t nIndex);
int32_t CountRadioButtonGroup(IFWL_Widget* pFirst) const;
IFWL_Widget* GetRadioButtonGroupHeader(IFWL_Widget* pRadioButton) const;
void ResetRedrawCounts(IFWL_Widget* pWidget);
void DrawChild(IFWL_Widget* pParent,
const CFX_RectF& rtClip,
CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix);
CFX_Graphics* DrawWidgetBefore(IFWL_Widget* pWidget,
CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix);
void DrawWidgetAfter(IFWL_Widget* pWidget,
CFX_Graphics* pGraphics,
CFX_RectF& rtClip,
const CFX_Matrix* pMatrix);
bool IsNeedRepaint(IFWL_Widget* pWidget,
CFX_Matrix* pMatrix,
const CFX_RectF& rtDirty);
bool UseOffscreenDirect(IFWL_Widget* pWidget) const;
bool IsAbleNative(IFWL_Widget* pWidget) const;
uint32_t m_dwCapability;
std::map<IFWL_Widget*, std::unique_ptr<CFWL_WidgetMgrItem>> m_mapWidgetItem;
CXFA_FWLAdapterWidgetMgr* const m_pAdapter;
#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
CFX_RectF m_rtScreen;
#endif
};
#endif // XFA_FWL_CORE_CFWL_WIDGETMGR_H_
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