// 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_SCROLLBAR_IMP_H | |
#define _FWL_SCROLLBAR_IMP_H | |
class CFWL_WidgetImp; | |
class CFWL_WidgetImpProperties; | |
class CFWL_WidgetImpDelegate; | |
class IFWL_Widget; | |
class IFWL_Timer; | |
class IFWL_TimerDelegate; | |
class CFWL_ScrollBarImp; | |
class CFWL_ScrollBarImpDelegate; | |
class CFWL_ScrollBarImp : public CFWL_WidgetImp, public IFWL_Timer { | |
public: | |
CFWL_ScrollBarImp(const CFWL_WidgetImpProperties& properties, | |
IFWL_Widget* pOuter); | |
~CFWL_ScrollBarImp(); | |
virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const; | |
virtual FX_DWORD GetClassID() const; | |
virtual FWL_ERR Initialize(); | |
virtual FWL_ERR Finalize(); | |
virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE); | |
virtual FWL_ERR Update(); | |
virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics, | |
const CFX_Matrix* pMatrix = NULL); | |
virtual FX_BOOL IsVertical(); | |
virtual FWL_ERR GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax); | |
virtual FWL_ERR SetRange(FX_FLOAT fMin, FX_FLOAT fMax); | |
virtual FX_FLOAT GetPageSize(); | |
virtual FWL_ERR SetPageSize(FX_FLOAT fPageSize); | |
virtual FX_FLOAT GetStepSize(); | |
virtual FWL_ERR SetStepSize(FX_FLOAT fStepSize); | |
virtual FX_FLOAT GetPos(); | |
virtual FWL_ERR SetPos(FX_FLOAT fPos); | |
virtual FX_FLOAT GetTrackPos(); | |
virtual FWL_ERR SetTrackPos(FX_FLOAT fTrackPos); | |
virtual FX_BOOL DoScroll(FX_DWORD dwCode, FX_FLOAT fPos = 0.0f); | |
virtual FWL_ERR SetOuter(IFWL_Widget* pOuter); | |
virtual int32_t Run(FWL_HTIMER hTimer); | |
protected: | |
void DrawTrack(CFX_Graphics* pGraphics, | |
IFWL_ThemeProvider* pTheme, | |
FX_BOOL bLower = TRUE, | |
const CFX_Matrix* pMatrix = NULL); | |
void DrawArrowBtn(CFX_Graphics* pGraphics, | |
IFWL_ThemeProvider* pTheme, | |
FX_BOOL bMinBtn = TRUE, | |
const CFX_Matrix* pMatrix = NULL); | |
void DrawThumb(CFX_Graphics* pGraphics, | |
IFWL_ThemeProvider* pTheme, | |
const CFX_Matrix* pMatrix = NULL); | |
void Layout(); | |
void CalcButtonLen(); | |
void CalcMinButtonRect(CFX_RectF& rect); | |
void CalcMaxButtonRect(CFX_RectF& rect); | |
void CalcThumbButtonRect(CFX_RectF& rect); | |
void CalcMinTrackRect(CFX_RectF& rect); | |
void CalcMaxTrackRect(CFX_RectF& rect); | |
FX_FLOAT GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy); | |
void GetTrackRect(CFX_RectF& rect, FX_BOOL bLower = TRUE); | |
FX_BOOL SendEvent(); | |
FX_BOOL OnScroll(FX_DWORD dwCode, FX_FLOAT fPos); | |
FWL_HTIMER m_hTimer; | |
FX_FLOAT m_fRangeMin; | |
FX_FLOAT m_fRangeMax; | |
FX_FLOAT m_fPageSize; | |
FX_FLOAT m_fStepSize; | |
FX_FLOAT m_fPos; | |
FX_FLOAT m_fTrackPos; | |
int32_t m_iMinButtonState; | |
int32_t m_iMaxButtonState; | |
int32_t m_iThumbButtonState; | |
int32_t m_iMinTrackState; | |
int32_t m_iMaxTrackState; | |
FX_FLOAT m_fLastTrackPos; | |
FX_FLOAT m_cpTrackPointX; | |
FX_FLOAT m_cpTrackPointY; | |
int32_t m_iMouseWheel; | |
FX_BOOL m_bTrackMouseLeave; | |
FX_BOOL m_bMouseHover; | |
FX_BOOL m_bMouseDown; | |
FX_BOOL m_bRepaintThumb; | |
FX_FLOAT m_fButtonLen; | |
FX_BOOL m_bMinSize; | |
CFX_RectF m_rtClient; | |
CFX_RectF m_rtThumb; | |
CFX_RectF m_rtMinBtn; | |
CFX_RectF m_rtMaxBtn; | |
CFX_RectF m_rtMinTrack; | |
CFX_RectF m_rtMaxTrack; | |
FX_BOOL m_bCustomLayout; | |
FX_FLOAT m_fMinThumb; | |
friend class CFWL_ScrollBarImpDelegate; | |
}; | |
class CFWL_ScrollBarImpDelegate : public CFWL_WidgetImpDelegate { | |
public: | |
CFWL_ScrollBarImpDelegate(CFWL_ScrollBarImp* pOwner); | |
int32_t OnProcessMessage(CFWL_Message* pMessage) override; | |
FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics, | |
const CFX_Matrix* pMatrix = NULL) override; | |
protected: | |
void OnLButtonDown(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy); | |
void OnLButtonUp(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy); | |
void OnMouseMove(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy); | |
void OnMouseLeave(); | |
void OnMouseWheel(FX_FLOAT fx, | |
FX_FLOAT fy, | |
FX_DWORD dwFlags, | |
FX_FLOAT fDeltaX, | |
FX_FLOAT fDeltaY); | |
void DoMouseDown(int32_t iItem, | |
const CFX_RectF& rtItem, | |
int32_t& iState, | |
FX_FLOAT fx, | |
FX_FLOAT fy); | |
void DoMouseUp(int32_t iItem, | |
const CFX_RectF& rtItem, | |
int32_t& iState, | |
FX_FLOAT fx, | |
FX_FLOAT fy); | |
void DoMouseMove(int32_t iItem, | |
const CFX_RectF& rtItem, | |
int32_t& iState, | |
FX_FLOAT fx, | |
FX_FLOAT fy); | |
void DoMouseLeave(int32_t iItem, const CFX_RectF& rtItem, int32_t& iState); | |
void DoMouseHover(int32_t iItem, const CFX_RectF& rtItem, int32_t& iState); | |
CFWL_ScrollBarImp* m_pOwner; | |
}; | |
#endif |