diff options
Diffstat (limited to 'fpdfsdk/include/pdfwindow/PWL_ScrollBar.h')
| -rw-r--r-- | fpdfsdk/include/pdfwindow/PWL_ScrollBar.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/fpdfsdk/include/pdfwindow/PWL_ScrollBar.h b/fpdfsdk/include/pdfwindow/PWL_ScrollBar.h new file mode 100644 index 0000000000..3196b2209e --- /dev/null +++ b/fpdfsdk/include/pdfwindow/PWL_ScrollBar.h @@ -0,0 +1,166 @@ +// 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 _PWL_SCROLLBAR_H_
+#define _PWL_SCROLLBAR_H_
+
+class CPWL_SBButton;
+class CPWL_ScrollBar;
+
+struct PWL_SCROLL_INFO
+{
+public:
+ PWL_SCROLL_INFO() : fContentMin(0.0f), fContentMax(0.0f), fPlateWidth(0.0f), fBigStep(0.0f), fSmallStep(0.0f)
+ {
+ }
+ FX_FLOAT fContentMin;
+ FX_FLOAT fContentMax;
+ FX_FLOAT fPlateWidth;
+ FX_FLOAT fBigStep;
+ FX_FLOAT fSmallStep;
+};
+
+enum PWL_SCROLLBAR_TYPE
+{
+ SBT_HSCROLL,
+ SBT_VSCROLL
+};
+
+enum PWL_SBBUTTON_TYPE
+{
+ PSBT_MIN,
+ PSBT_MAX,
+ PSBT_POS
+};
+
+class CPWL_SBButton : public CPWL_Wnd
+{
+public:
+ CPWL_SBButton(PWL_SCROLLBAR_TYPE eScrollBarType,PWL_SBBUTTON_TYPE eButtonType);
+ virtual ~CPWL_SBButton();
+
+public:
+ virtual CFX_ByteString GetClassName() const;
+ virtual void OnCreate(PWL_CREATEPARAM & cp);
+ virtual void GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream);
+ virtual void DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device);
+ virtual FX_BOOL OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag);
+ virtual FX_BOOL OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag);
+ virtual FX_BOOL OnMouseMove(const CPDF_Point & point, FX_DWORD nFlag);
+
+protected:
+ PWL_SCROLLBAR_TYPE m_eScrollBarType;
+ PWL_SBBUTTON_TYPE m_eSBButtonType;
+
+ FX_BOOL m_bMouseDown;
+};
+
+struct PWL_FLOATRANGE
+{
+public:
+ PWL_FLOATRANGE();
+ PWL_FLOATRANGE(FX_FLOAT min,FX_FLOAT max);
+ void Default();
+ void Set(FX_FLOAT min,FX_FLOAT max);
+ FX_BOOL In(FX_FLOAT x) const;
+ FX_FLOAT GetWidth() const;
+
+ FX_FLOAT fMin,fMax;
+};
+
+struct PWL_SCROLL_PRIVATEDATA
+{
+public:
+ PWL_SCROLL_PRIVATEDATA();
+
+ void Default();
+ void SetScrollRange(FX_FLOAT min,FX_FLOAT max);
+ void SetClientWidth(FX_FLOAT width);
+ void SetSmallStep(FX_FLOAT step);
+ void SetBigStep(FX_FLOAT step);
+ FX_BOOL SetPos(FX_FLOAT pos);
+
+ void AddSmall();
+ void SubSmall();
+ void AddBig();
+ void SubBig();
+
+ PWL_FLOATRANGE ScrollRange;
+ FX_FLOAT fClientWidth;
+ FX_FLOAT fScrollPos;
+ FX_FLOAT fBigStep;
+ FX_FLOAT fSmallStep;
+};
+
+class CPWL_ScrollBar : public CPWL_Wnd
+{
+public:
+ CPWL_ScrollBar(PWL_SCROLLBAR_TYPE sbType = SBT_HSCROLL);
+ virtual ~CPWL_ScrollBar();
+
+public:
+ virtual CFX_ByteString GetClassName() const;
+ virtual void OnCreate(PWL_CREATEPARAM & cp);
+ virtual void RePosChildWnd();
+ virtual void GetThisAppearanceStream(CFX_ByteTextBuf & sAppStream);
+ virtual void DrawThisAppearance(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device);
+
+ virtual FX_BOOL OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag);
+ virtual FX_BOOL OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag);
+ virtual void OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, FX_INTPTR wParam = 0, FX_INTPTR lParam = 0);
+
+ virtual void CreateChildWnd(const PWL_CREATEPARAM & cp);
+
+ FX_FLOAT GetScrollBarWidth() const;
+ PWL_SCROLLBAR_TYPE GetScrollBarType() const {return m_sbType;};
+
+ void SetNotifyForever(FX_BOOL bForever) {m_bNotifyForever = bForever;}
+
+protected:
+ void SetScrollRange(FX_FLOAT fMin,FX_FLOAT fMax,FX_FLOAT fClientWidth);
+ void SetScrollPos(FX_FLOAT fPos);
+ void MovePosButton(FX_BOOL bRefresh);
+ void SetScrollStep(FX_FLOAT fBigStep,FX_FLOAT fSmallStep);
+ void NotifyScrollWindow();
+ CPDF_Rect GetScrollArea() const;
+
+private:
+ void CreateButtons(const PWL_CREATEPARAM & cp);
+
+ void OnMinButtonLBDown(const CPDF_Point & point);
+ void OnMinButtonLBUp(const CPDF_Point & point);
+ void OnMinButtonMouseMove(const CPDF_Point & point);
+
+ void OnMaxButtonLBDown(const CPDF_Point & point);
+ void OnMaxButtonLBUp(const CPDF_Point & point);
+ void OnMaxButtonMouseMove(const CPDF_Point & point);
+
+ void OnPosButtonLBDown(const CPDF_Point & point);
+ void OnPosButtonLBUp(const CPDF_Point & point);
+ void OnPosButtonMouseMove(const CPDF_Point & point);
+
+ FX_FLOAT TrueToFace(FX_FLOAT);
+ FX_FLOAT FaceToTrue(FX_FLOAT);
+
+ virtual void TimerProc();
+
+private:
+ PWL_SCROLLBAR_TYPE m_sbType;
+ PWL_SCROLL_INFO m_OriginInfo;
+ CPWL_SBButton* m_pMinButton;
+ CPWL_SBButton* m_pMaxButton;
+ CPWL_SBButton* m_pPosButton;
+ PWL_SCROLL_PRIVATEDATA m_sData;
+ FX_BOOL m_bMouseDown;
+ FX_BOOL m_bMinOrMax;
+ FX_BOOL m_bNotifyForever;
+ FX_FLOAT m_nOldPos;
+ FX_FLOAT m_fOldPosButton;
+};
+
+#endif // !defined(AFX_PWL_SCROLLBAR_H__DCFEC082_2651_48A4_B8F3_63F1B3CC5E10__INCLUDED_)
+
+
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