xfa/src/fxfa/src/app/xfa_ffwidget.h

// 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 _FXFA_FORMFILLER_WIDGET_IMP_H
#define _FXFA_FORMFILLER_WIDGET_IMP_H
class CXFA_FFPageView;
class CXFA_FFDocView;
class CXFA_FFDoc;
class CXFA_FFApp;
class CXFA_LayoutItem;
#define XFA_GOTO_POSITION_IF_FAIL(arg, pos) { if (!(arg)) goto pos; }
inline FX_FLOAT XFA_UnitPx2Pt(FX_FLOAT fPx, FX_FLOAT fDpi)
{
    return fPx * 72.0f / fDpi;
}
#define XFA_FLOAT_PERCISION 0.001f
enum XFA_WIDGETITEM {
    XFA_WIDGETITEM_Parent,
    XFA_WIDGETITEM_FirstChild,
    XFA_WIDGETITEM_NextSibling,
    XFA_WIDGETITEM_PrevSibling,
};
class CXFA_CalcData : public CFX_Object
{
public:
    CXFA_CalcData() : m_iRefCount(0) {}
    ~CXFA_CalcData()
    {
        m_Globals.RemoveAll();
    }
    CFX_PtrArray				m_Globals;
    FX_INT32					m_iRefCount;
};
class CXFA_FFWidget : public CFX_PrivateData, public CXFA_ContentLayoutItemImpl
{
public:
    CXFA_FFWidget(CXFA_FFPageView* pPageView, CXFA_WidgetAcc* pDataAcc);
    virtual ~CXFA_FFWidget();
    IXFA_PageView*	GetPageView();
    void			SetPageView(IXFA_PageView* pPageView);
    void			GetWidgetRect(CFX_RectF &rtWidget);
    CFX_RectF		ReCacheWidgetRect();
    FX_DWORD		GetStatus();
    void			ModifyStatus(FX_DWORD dwAdded, FX_DWORD dwRemoved);
    virtual FX_BOOL			GetBBox(CFX_RectF &rtBox, FX_DWORD dwStatus, FX_BOOL bDrawFocus = FALSE);
    CXFA_WidgetAcc*	GetDataAcc();
    FX_BOOL			GetToolTip(CFX_WideString &wsToolTip);
    virtual void			RenderWidget(CFX_Graphics* pGS, CFX_Matrix* pMatrix = NULL, FX_DWORD dwStatus = 0, FX_INT32 iRotate = 0);

    virtual	FX_BOOL			IsLoaded();
    virtual FX_BOOL			LoadWidget();
    virtual void			UnloadWidget();
    virtual FX_BOOL			LayoutWidget();
    virtual FX_BOOL			UpdateFWLData();
    virtual void			UpdateWidgetProperty();
    virtual FX_BOOL		OnMouseEnter();
    virtual FX_BOOL		OnMouseExit();
    virtual FX_BOOL		OnLButtonDown(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
    virtual FX_BOOL		OnLButtonUp(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
    virtual FX_BOOL		OnLButtonDblClk(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
    virtual FX_BOOL		OnMouseMove(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
    virtual FX_BOOL		OnMouseWheel(FX_DWORD dwFlags, FX_SHORT zDelta, FX_FLOAT fx, FX_FLOAT fy);
    virtual FX_BOOL		OnRButtonDown(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
    virtual FX_BOOL		OnRButtonUp(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
    virtual FX_BOOL		OnRButtonDblClk(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);

    virtual FX_BOOL		OnSetFocus(CXFA_FFWidget* pOldWidget);
    virtual FX_BOOL		OnKillFocus(CXFA_FFWidget* pNewWidget);
    virtual FX_BOOL		OnKeyDown(FX_DWORD dwKeyCode, FX_DWORD dwFlags);
    virtual FX_BOOL		OnKeyUp(FX_DWORD dwKeyCode, FX_DWORD dwFlags);
    virtual FX_BOOL		OnChar(FX_DWORD dwChar, FX_DWORD dwFlags);
    virtual	FX_DWORD	OnHitTest(FX_FLOAT fx, FX_FLOAT fy);
    virtual FX_BOOL		OnSetCursor(FX_FLOAT fx, FX_FLOAT fy);
    virtual FX_BOOL		CanUndo()
    {
        return FALSE;
    }
    virtual FX_BOOL		CanRedo()
    {
        return FALSE;
    }
    virtual FX_BOOL		Undo()
    {
        return FALSE;
    }
    virtual FX_BOOL		Redo()
    {
        return FALSE;
    }
    virtual FX_BOOL		CanCopy()
    {
        return FALSE;
    }
    virtual FX_BOOL		CanCut()
    {
        return FALSE;
    }
    virtual FX_BOOL		CanPaste()
    {
        return FALSE;
    }
    virtual FX_BOOL		CanSelectAll()
    {
        return FALSE;
    }
    virtual FX_BOOL		CanDelete()
    {
        return CanCut();
    }
    virtual FX_BOOL		CanDeSelect()
    {
        return CanCopy();
    }
    virtual FX_BOOL		Copy(CFX_WideString &wsCopy)
    {
        return FALSE;
    }
    virtual FX_BOOL		Cut(CFX_WideString &wsCut)
    {
        return FALSE;
    }
    virtual FX_BOOL		Paste(const CFX_WideString &wsPaste)
    {
        return FALSE;
    }
    virtual FX_BOOL		SelectAll()
    {
        return FALSE;
    }
    virtual FX_BOOL		Delete()
    {
        return FALSE;
    }
    virtual FX_BOOL		DeSelect()
    {
        return FALSE;
    }
    virtual FX_BOOL		GetSuggestWords(CFX_PointF pointf, CFX_ByteStringArray &sSuggest)
    {
        return FALSE;
    }
    virtual FX_BOOL		ReplaceSpellCheckWord(CFX_PointF pointf, FX_BSTR bsReplace)
    {
        return FALSE;
    }
    CXFA_FFDocView*		GetDocView();
    void				SetDocView(CXFA_FFDocView* pDocView)
    {
        m_pDocView = pDocView;
    }
    CXFA_FFDoc*			GetDoc();
    CXFA_FFApp*			GetApp();
    IXFA_AppProvider*	GetAppProvider();
    void				InvalidateWidget(const CFX_RectF* pRect = NULL);
    void				AddInvalidateRect(const CFX_RectF* pRect = NULL);
    FX_BOOL				GetCaptionText(CFX_WideString &wsCap);
    FX_BOOL				IsFocused();
    CXFA_LayoutItem*	GetLayoutItem()
    {
        return (CXFA_LayoutItem*)(CXFA_ContentLayoutItemImpl*)this;
    }
    void				Rotate2Normal(FX_FLOAT &fx, FX_FLOAT &fy);
    void				GetRotateMatrix(CFX_Matrix &mt);
    FX_BOOL				IsLayoutRectEmpty();
    CXFA_FFWidget*		GetParent();
    FX_BOOL				IsAncestorOf(CXFA_FFWidget* pWidget);

protected:
    virtual	FX_BOOL	PtInActiveRect(FX_FLOAT fx, FX_FLOAT fy);
    void	DrawBorder(CFX_Graphics* pGS, CXFA_Box box, const CFX_RectF& rtBorder, CFX_Matrix* pMatrix, FX_DWORD dwFlags = 0);
    void	GetMinMaxWidth(FX_FLOAT fMinWidth, FX_FLOAT fMaxWidth);
    void	GetMinMaxHeight(FX_FLOAT fMinHeight, FX_FLOAT fMaxHeight);
    void	GetRectWithoutRotate(CFX_RectF &rtWidget);
    FX_BOOL IsMatchVisibleStatus(FX_DWORD dwStatus);

    void		EventKillFocus();
    FX_BOOL		IsButtonDown();
    void		SetButtonDown(FX_BOOL bSet);
    CXFA_FFDocView*		m_pDocView;
    CXFA_FFPageView*	m_pPageView;
    CXFA_WidgetAcc*		m_pDataAcc;
    CFX_RectF			m_rtWidget;
};
FX_INT32		XFA_StrokeTypeSetLineDash(CFX_Graphics* pGraphics, FX_INT32 iStrokeType, FX_INT32 iCapType);
CFX_GraphStateData::LineCap XFA_LineCapToFXGE(FX_INT32 iLineCap);
void			XFA_DrawImage(CFX_Graphics* pGS, const CFX_RectF &rtImage, CFX_Matrix* pMatrix, CFX_DIBitmap* pDIBitmap, FX_INT32 iAspect, FX_INT32 iImageXDpi, FX_INT32 iImageYDpi, FX_INT32 iHorzAlign = XFA_ATTRIBUTEENUM_Left, FX_INT32 iVertAlign = XFA_ATTRIBUTEENUM_Top);
CFX_DIBitmap*	XFA_LoadImageData(CXFA_FFDoc *pDoc, CXFA_Image *pImage, FX_BOOL &bNameImage, FX_INT32 &iImageXDpi, FX_INT32 &iImageYDpi);
CFX_DIBitmap*	XFA_LoadImageFromBuffer(IFX_FileRead* pImageFileRead, FXCODEC_IMAGE_TYPE type, FX_INT32 &iImageXDpi, FX_INT32 &iImageYDpi);
FXCODEC_IMAGE_TYPE XFA_GetImageType(FX_WSTR wsType);
FX_LPSTR		XFA_Base64Encode(FX_LPCBYTE buf, FX_INT32 buf_len);
void			XFA_RectWidthoutMargin(CFX_RectF &rt, const CXFA_Margin &mg, FX_BOOL bUI = FALSE);
FX_FLOAT		XFA_GetEdgeThickness(const CXFA_StrokeArray &strokes, FX_BOOL b3DStyle, FX_INT32 nIndex);
CXFA_FFWidget*	XFA_GetWidgetFromLayoutItem(CXFA_LayoutItem* pLayoutItem);
FX_BOOL			XFA_IsCreateWidget(XFA_ELEMENT iType);
#define XFA_DRAWBOX_ForceRound	1
#define XFA_DRAWBOX_Lowered3D	2
void XFA_DrawBox(CXFA_Box box, CFX_Graphics* pGS, const CFX_RectF &rtWidget, CFX_Matrix* pMatrix, FX_DWORD dwFlags = 0);
#endif