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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_FWL_FORMIMP_H_
#define XFA_FWL_CORE_FWL_FORMIMP_H_
#include "xfa/fwl/core/fwl_widgetimp.h"
#include "xfa/fwl/core/ifwl_form.h"
class CFWL_MsgMouse;
class CFWL_MsgClose;
class CFWL_MsgWindowMove;
class CFWL_NoteLoop;
class CFWL_WidgetImpProperties;
class IFWL_Widget;
class IFWL_ThemeProvider;
class CFWL_SysBtn;
class CFWL_FormImp;
class CFWL_FormImpDelegate;
#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;
}
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;
}
uint32_t GetPartState() {
if (IsDisabled())
return CFWL_PartState_Disabled;
if (m_dwState & FWL_SYSBUTTONSTATE_Pressed)
return CFWL_PartState_Pressed;
if (m_dwState & FWL_SYSBUTTONSTATE_Hover)
return CFWL_PartState_Hovered;
return CFWL_PartState_Normal;
}
CFX_RectF m_rtBtn;
uint32_t m_dwState;
};
enum FORM_RESIZETYPE {
FORM_RESIZETYPE_None = 0,
FORM_RESIZETYPE_Cap,
};
typedef struct RestoreResizeInfo {
CFX_PointF m_ptStart;
CFX_SizeF m_szStart;
} RestoreInfo;
class CFWL_FormImp : public CFWL_WidgetImp {
public:
CFWL_FormImp(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter);
~CFWL_FormImp() override;
// CFWL_WidgetImp
FWL_Error GetClassName(CFX_WideString& wsClass) const override;
FWL_Type GetClassID() const override;
FX_BOOL IsInstance(const CFX_WideStringC& wsClass) const override;
FWL_Error Initialize() override;
FWL_Error Finalize() override;
FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
FWL_Error GetClientRect(CFX_RectF& rect) override;
FWL_Error Update() override;
FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
FWL_Error DrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix = nullptr) override;
FWL_FORMSIZE GetFormSize();
FWL_Error SetFormSize(FWL_FORMSIZE eFormSize);
IFWL_Widget* DoModal();
IFWL_Widget* DoModal(uint32_t& dwCommandID);
FWL_Error EndDoModal();
FWL_Error SetBorderRegion(CFX_Path* pPath);
void DrawBackground(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme);
CFWL_WidgetImp* GetSubFocus();
void SetSubFocus(CFWL_WidgetImp* pWidget);
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(uint32_t 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_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_FormImpDelegate;
};
class CFWL_FormImpDelegate : public CFWL_WidgetImpDelegate {
public:
CFWL_FormImpDelegate(CFWL_FormImp* pOwner);
void OnProcessMessage(CFWL_Message* pMessage) override;
void OnProcessEvent(CFWL_Event* pEvent) override;
void OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix = NULL) override;
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 // XFA_FWL_CORE_FWL_FORMIMP_H_
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