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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_FORM_IMP_H
#define _FWL_FORM_IMP_H
class CFWL_NoteLoop;
class CFWL_PanelImp;
class CFWL_WidgetImpProperties;
class CFWL_WidgetImpDelegate;
class CFWL_MsgMouse;
class IFWL_Widget;
class IFWL_ThemeProvider;
class CFWL_SysBtn;
class CFWL_FormImp;
class CFWL_FormDelegate;
#define FWL_SYSBUTTONSTATE_Hover 0x0001
#define FWL_SYSBUTTONSTATE_Pressed 0x0002
#define FWL_SYSBUTTONSTATE_Disabled 0x0010
class CFWL_SysBtn
{
public:
CFWL_SysBtn()
{
m_rtBtn.Set(0, 0, 0, 0);
m_dwState = 0;
}
FX_BOOL IsHover()
{
return m_dwState & FWL_SYSBUTTONSTATE_Hover;
}
FX_BOOL IsPressed()
{
return m_dwState & FWL_SYSBUTTONSTATE_Pressed;
}
FX_BOOL IsDisabled()
{
return m_dwState & FWL_SYSBUTTONSTATE_Disabled;
}
void SetNormal()
{
m_dwState &= 0xFFF0;
}
void SetPressed()
{
SetNormal();
m_dwState |= FWL_SYSBUTTONSTATE_Pressed;
}
void SetHover()
{
SetNormal();
m_dwState |= FWL_SYSBUTTONSTATE_Hover;
}
void SetDisabled(FX_BOOL bDisabled)
{
bDisabled ? m_dwState |= FWL_SYSBUTTONSTATE_Disabled : m_dwState &= ~FWL_SYSBUTTONSTATE_Disabled;
}
int32_t GetPartState()
{
return (IsDisabled() ? FWL_PARTSTATE_FRM_Disabled : (m_dwState + 1));
}
CFX_RectF m_rtBtn;
FX_DWORD m_dwState;
};
enum FORM_RESIZETYPE {
FORM_RESIZETYPE_None = 0,
FORM_RESIZETYPE_Cap,
FORM_RESIZETYPE_Left,
FORM_RESIZETYPE_Top,
FORM_RESIZETYPE_Right,
FORM_RESIZETYPE_Bottom,
FORM_RESIZETYPE_LeftTop,
FORM_RESIZETYPE_LeftBottom,
FORM_RESIZETYPE_RightTop,
FORM_RESIZETYPE_RightBottom
};
typedef struct RestoreResizeInfo {
CFX_PointF m_ptStart;
CFX_SizeF m_szStart;
} RestoreInfo;
class CFWL_FormImp : public CFWL_PanelImp
{
public:
CFWL_FormImp(IFWL_Widget *pOuter = NULL);
CFWL_FormImp(const CFWL_WidgetImpProperties &properties, IFWL_Widget *pOuter = NULL);
virtual ~CFWL_FormImp();
virtual FWL_ERR GetClassName(CFX_WideString &wsClass) const;
virtual FX_DWORD GetClassID() const;
virtual FX_BOOL IsInstance(FX_WSTR wsClass) const;
virtual FWL_ERR Initialize();
virtual FWL_ERR Finalize();
virtual FWL_ERR GetWidgetRect(CFX_RectF &rect, FX_BOOL bAutoSize = FALSE);
virtual FWL_ERR GetClientRect(CFX_RectF &rect);
virtual FWL_ERR Update();
virtual FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy);
virtual FWL_ERR DrawWidget(CFX_Graphics *pGraphics, const CFX_Matrix *pMatrix = NULL);
virtual FWL_FORMSIZE GetFormSize();
virtual FWL_ERR SetFormSize(FWL_FORMSIZE eFormSize);
virtual IFWL_Widget* DoModal();
virtual IFWL_Widget* DoModal(FX_DWORD &dwCommandID);
virtual FWL_ERR EndDoModal();
virtual FWL_ERR SetBorderRegion(CFX_Path *pPath);
virtual void DrawBackground(CFX_Graphics *pGraphics, IFWL_ThemeProvider *pTheme);
CFWL_WidgetImp* GetSubFocus();
void SetSubFocus(CFWL_WidgetImp *pWidget);
CFX_MapAccelerators& GetAccelerator();
void SetAccelerator(CFX_MapAccelerators *pAccelerators);
protected:
void ShowChildWidget(IFWL_Widget *pParent);
void RemoveSysButtons();
void CalcContentRect(CFX_RectF &rtContent);
CFWL_SysBtn* GetSysBtnAtPoint(FX_FLOAT fx, FX_FLOAT fy);
CFWL_SysBtn* GetSysBtnByState(FX_DWORD dwState);
CFWL_SysBtn* GetSysBtnByIndex(int32_t nIndex);
int32_t GetSysBtnIndex(CFWL_SysBtn *pBtn);
FX_FLOAT GetCaptionHeight();
void DrawCaptionText(CFX_Graphics *pGs, IFWL_ThemeProvider *pTheme, const CFX_Matrix* pMatrix = NULL);
void DrawIconImage(CFX_Graphics *pGs, IFWL_ThemeProvider *pTheme, const CFX_Matrix* pMatrix = NULL);
void GetEdgeRect(CFX_RectF &rtEdge);
void SetWorkAreaRect();
void SetCursor(FX_FLOAT fx, FX_FLOAT fy);
void Layout();
void ReSetSysBtn();
void RegisterForm();
void UnRegisterForm();
FX_BOOL IsDoModal();
void SetThemeData();
FX_BOOL HasIcon();
void UpdateIcon();
void UpdateCaption();
void DoWidthLimit(FX_FLOAT &fLeft, FX_FLOAT &fWidth, FX_FLOAT fCurX, FX_FLOAT fSpace, FX_FLOAT fLimitMin, FX_FLOAT fLimitMax, FX_BOOL bLeft);
void DoHeightLimit(FX_FLOAT &fTop, FX_FLOAT &fHeight, FX_FLOAT fCurY, FX_FLOAT fSpace, FX_FLOAT fLimitMin, FX_FLOAT fLimitMax, FX_BOOL bTop);
CFX_MapAccelerators m_mapAccelerators;
CFX_RectF m_rtRestore;
CFX_RectF m_rtCaptionText;
CFX_RectF m_rtRelative;
CFX_RectF m_rtCaption;
CFX_RectF m_rtIcon;
CFWL_SysBtn *m_pCloseBox;
CFWL_SysBtn *m_pMinBox;
CFWL_SysBtn *m_pMaxBox;
CFWL_SysBtn *m_pCaptionBox;
CFWL_NoteLoop *m_pNoteLoop;
CFWL_WidgetImp *m_pSubFocus;
RestoreInfo m_InfoStart;
FX_FLOAT m_fCXBorder;
FX_FLOAT m_fCYBorder;
int32_t m_iCaptureBtn;
int32_t m_iSysBox;
int32_t m_eResizeType;
FX_BOOL m_bLButtonDown;
FX_BOOL m_bMaximized;
FX_BOOL m_bSetMaximize;
FX_BOOL m_bCustomizeLayout;
FWL_FORMSIZE m_eFormSize;
FX_BOOL m_bDoModalFlag;
FX_FLOAT m_fSmallIconSz;
FX_FLOAT m_fBigIconSz;
CFX_DIBitmap *m_pBigIcon;
CFX_DIBitmap *m_pSmallIcon;
FX_BOOL m_bMouseIn;
friend class CFWL_FormDelegate;
};
class CFWL_FormDelegate : public CFWL_WidgetImpDelegate
{
public:
CFWL_FormDelegate(CFWL_FormImp *pOwner);
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);
protected:
void OnLButtonDown(CFWL_MsgMouse *pMsg);
void OnLButtonUp(CFWL_MsgMouse *pMsg);
void OnMouseMove(CFWL_MsgMouse *pMsg);
void OnMouseHover(CFWL_MsgMouse *pMsg);
void OnMouseLeave(CFWL_MsgMouse *pMsg);
void OnLButtonDblClk(CFWL_MsgMouse *pMsg);
void OnWindowMove(CFWL_MsgWindowMove *pMsg);
void OnClose(CFWL_MsgClose *pMsg);
CFWL_FormImp *m_pOwner;
};
#endif
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