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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_IFWL_FORM_H_
#define XFA_FWL_CORE_IFWL_FORM_H_
#include <memory>
#include "core/fxcrt/fx_system.h"
#include "xfa/fwl/core/cfwl_widgetproperties.h"
#include "xfa/fwl/core/ifwl_dataprovider.h"
#include "xfa/fwl/core/ifwl_widget.h"
#define FWL_CLASS_Form L"FWL_FORM"
#define FWL_CLASS_FormProxy L"FWL_FORMPROXY"
#define FWL_STYLEEXT_FRM_Resize (1L << 0)
#define FWL_STYLEEXT_FRM_NativeBorder (1L << 1)
#define FWL_STYLEEXT_FRM_RoundCorner (2L << 1)
#define FWL_STYLEEXT_FRM_RoundCorner4 (3L << 1)
#define FWL_STYLEEXT_FRM_NoDrawClient (1L << 3)
#define FWL_STYLEEXT_FRM_BorderCornerMask (3L << 1)
#define FWL_STYLEEXT_FRM_Max (3)
#if (_FX_OS_ == _FX_MACOSX_)
#define FWL_UseMacSystemBorder
#endif
#define FWL_SYSBUTTONSTATE_Hover 0x0001
#define FWL_SYSBUTTONSTATE_Pressed 0x0002
#define FWL_SYSBUTTONSTATE_Disabled 0x0010
enum FWL_FORMSIZE {
FWL_FORMSIZE_Manual = 0,
FWL_FORMSIZE_Width,
FWL_FORMSIZE_Height,
FWL_FORMSIZE_All,
};
class CFWL_SysBtn {
public:
CFWL_SysBtn();
bool IsDisabled() const;
uint32_t GetPartState() const;
void SetNormal();
void SetPressed();
void SetHover();
void SetDisabled(bool bDisabled);
CFX_RectF m_rtBtn;
uint32_t m_dwState;
};
enum FORM_RESIZETYPE {
FORM_RESIZETYPE_None = 0,
FORM_RESIZETYPE_Cap,
};
struct RestoreInfo {
RestoreInfo();
~RestoreInfo();
CFX_PointF m_ptStart;
CFX_SizeF m_szStart;
};
class CFWL_MsgMouse;
class CFWL_MsgClose;
class CFWL_MsgWindowMove;
class CFWL_NoteLoop;
class IFWL_Widget;
class IFWL_ThemeProvider;
class CFWL_SysBtn;
class IFWL_FormDP : public IFWL_DataProvider {
public:
virtual CFX_DIBitmap* GetIcon(IFWL_Widget* pWidget, bool bBig) = 0;
};
class IFWL_Form : public IFWL_Widget {
public:
IFWL_Form(const IFWL_App* app,
std::unique_ptr<CFWL_WidgetProperties> properties,
IFWL_Widget* pOuter);
~IFWL_Form() override;
// IFWL_Widget
FWL_Type GetClassID() const override;
bool IsInstance(const CFX_WideStringC& wsClass) const override;
FWL_Error GetWidgetRect(CFX_RectF& rect, 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;
void OnProcessMessage(CFWL_Message* pMessage) override;
void OnDrawWidget(CFX_Graphics* pGraphics,
const CFX_Matrix* pMatrix) 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);
IFWL_Widget* GetSubFocus();
void SetSubFocus(IFWL_Widget* pWidget);
protected:
friend class CFWL_FormImpDelegate;
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 = nullptr);
void DrawIconImage(CFX_Graphics* pGs,
IFWL_ThemeProvider* pTheme,
const CFX_Matrix* pMatrix = nullptr);
void GetEdgeRect(CFX_RectF& rtEdge);
void SetWorkAreaRect();
void SetCursor(FX_FLOAT fx, FX_FLOAT fy);
void Layout();
void ReSetSysBtn();
void RegisterForm();
void UnRegisterForm();
bool IsDoModal();
void SetThemeData();
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,
bool bLeft);
void DoHeightLimit(FX_FLOAT& fTop,
FX_FLOAT& fHeight,
FX_FLOAT fCurY,
FX_FLOAT fSpace,
FX_FLOAT fLimitMin,
FX_FLOAT fLimitMax,
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;
std::unique_ptr<CFWL_NoteLoop> m_pNoteLoop;
IFWL_Widget* 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;
bool m_bLButtonDown;
bool m_bMaximized;
bool m_bSetMaximize;
bool m_bCustomizeLayout;
FWL_FORMSIZE m_eFormSize;
bool m_bDoModalFlag;
FX_FLOAT m_fSmallIconSz;
FX_FLOAT m_fBigIconSz;
CFX_DIBitmap* m_pBigIcon;
CFX_DIBitmap* m_pSmallIcon;
bool m_bMouseIn;
private:
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);
};
#endif // XFA_FWL_CORE_IFWL_FORM_H_
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