fpdfsdk/include/pdfwindow/PWL_ScrollBar.h - Issue 1823153002: Move the fpdfsdk/include/pdfwindow/ headers into fpdfsdk/pdfwindow.

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Issue 1823153002: Move the fpdfsdk/include/pdfwindow/ headers into fpdfsdk/pdfwindow. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: Rebase to master Created 4 years, 9 months ago

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1 // Copyright 2014 PDFium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

6

7 #ifndef FPDFSDK_INCLUDE_PDFWINDOW_PWL_SCROLLBAR_H_

8 #define FPDFSDK_INCLUDE_PDFWINDOW_PWL_SCROLLBAR_H_

9

10 #include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"

11

12 class CPWL_SBButton;

13 class CPWL_ScrollBar;

14

15 struct PWL_SCROLL_INFO {

16 public:

17 PWL_SCROLL_INFO()

18 : fContentMin(0.0f),

19 fContentMax(0.0f),

20 fPlateWidth(0.0f),

21 fBigStep(0.0f),

22 fSmallStep(0.0f) {}

23 FX_FLOAT fContentMin;

24 FX_FLOAT fContentMax;

25 FX_FLOAT fPlateWidth;

26 FX_FLOAT fBigStep;

27 FX_FLOAT fSmallStep;

28 };

29

30 enum PWL_SCROLLBAR_TYPE { SBT_HSCROLL, SBT_VSCROLL };

31

32 enum PWL_SBBUTTON_TYPE { PSBT_MIN, PSBT_MAX, PSBT_POS };

33

34 class CPWL_SBButton : public CPWL_Wnd {

35 public:

36 CPWL_SBButton(PWL_SCROLLBAR_TYPE eScrollBarType,

37 PWL_SBBUTTON_TYPE eButtonType);

38 ~CPWL_SBButton() override;

39

40 // CPWL_Wnd

41 CFX_ByteString GetClassName() const override;

42 void OnCreate(PWL_CREATEPARAM& cp) override;

43 void GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) override;

44 void DrawThisAppearance(CFX_RenderDevice* pDevice,

45 CFX_Matrix* pUser2Device) override;

46 FX_BOOL OnLButtonDown(const CFX_FloatPoint& point, FX_DWORD nFlag) override;

47 FX_BOOL OnLButtonUp(const CFX_FloatPoint& point, FX_DWORD nFlag) override;

48 FX_BOOL OnMouseMove(const CFX_FloatPoint& point, FX_DWORD nFlag) override;

49

50 protected:

51 PWL_SCROLLBAR_TYPE m_eScrollBarType;

52 PWL_SBBUTTON_TYPE m_eSBButtonType;

53

54 FX_BOOL m_bMouseDown;

55 };

56

57 struct PWL_FLOATRANGE {

58 public:

59 PWL_FLOATRANGE();

60 PWL_FLOATRANGE(FX_FLOAT min, FX_FLOAT max);

61 void Default();

62 void Set(FX_FLOAT min, FX_FLOAT max);

63 FX_BOOL In(FX_FLOAT x) const;

64 FX_FLOAT GetWidth() const;

65

66 FX_FLOAT fMin, fMax;

67 };

68

69 struct PWL_SCROLL_PRIVATEDATA {

70 public:

71 PWL_SCROLL_PRIVATEDATA();

72

73 void Default();

74 void SetScrollRange(FX_FLOAT min, FX_FLOAT max);

75 void SetClientWidth(FX_FLOAT width);

76 void SetSmallStep(FX_FLOAT step);

77 void SetBigStep(FX_FLOAT step);

78 FX_BOOL SetPos(FX_FLOAT pos);

79

80 void AddSmall();

81 void SubSmall();

82 void AddBig();

83 void SubBig();

84

85 PWL_FLOATRANGE ScrollRange;

86 FX_FLOAT fClientWidth;

87 FX_FLOAT fScrollPos;

88 FX_FLOAT fBigStep;

89 FX_FLOAT fSmallStep;

90 };

91

92 class CPWL_ScrollBar : public CPWL_Wnd {

93 public:

94 CPWL_ScrollBar(PWL_SCROLLBAR_TYPE sbType = SBT_HSCROLL);

95 ~CPWL_ScrollBar() override;

96

97 // CPWL_Wnd

98 CFX_ByteString GetClassName() const override;

99 void OnCreate(PWL_CREATEPARAM& cp) override;

100 void RePosChildWnd() override;

101 void GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) override;

102 void DrawThisAppearance(CFX_RenderDevice* pDevice,

103 CFX_Matrix* pUser2Device) override;

104 FX_BOOL OnLButtonDown(const CFX_FloatPoint& point, FX_DWORD nFlag) override;

105 FX_BOOL OnLButtonUp(const CFX_FloatPoint& point, FX_DWORD nFlag) override;

106 void OnNotify(CPWL_Wnd* pWnd,

107 FX_DWORD msg,

108 intptr_t wParam = 0,

109 intptr_t lParam = 0) override;

110 void CreateChildWnd(const PWL_CREATEPARAM& cp) override;

111 void TimerProc() override;

112

113 FX_FLOAT GetScrollBarWidth() const;

114 PWL_SCROLLBAR_TYPE GetScrollBarType() const { return m_sbType; }

115

116 void SetNotifyForever(FX_BOOL bForever) { m_bNotifyForever = bForever; }

117

118 protected:

119 void SetScrollRange(FX_FLOAT fMin, FX_FLOAT fMax, FX_FLOAT fClientWidth);

120 void SetScrollPos(FX_FLOAT fPos);

121 void MovePosButton(FX_BOOL bRefresh);

122 void SetScrollStep(FX_FLOAT fBigStep, FX_FLOAT fSmallStep);

123 void NotifyScrollWindow();

124 CFX_FloatRect GetScrollArea() const;

125

126 private:

127 void CreateButtons(const PWL_CREATEPARAM& cp);

128

129 void OnMinButtonLBDown(const CFX_FloatPoint& point);

130 void OnMinButtonLBUp(const CFX_FloatPoint& point);

131 void OnMinButtonMouseMove(const CFX_FloatPoint& point);

132

133 void OnMaxButtonLBDown(const CFX_FloatPoint& point);

134 void OnMaxButtonLBUp(const CFX_FloatPoint& point);

135 void OnMaxButtonMouseMove(const CFX_FloatPoint& point);

136

137 void OnPosButtonLBDown(const CFX_FloatPoint& point);

138 void OnPosButtonLBUp(const CFX_FloatPoint& point);

139 void OnPosButtonMouseMove(const CFX_FloatPoint& point);

140

141 FX_FLOAT TrueToFace(FX_FLOAT);

142 FX_FLOAT FaceToTrue(FX_FLOAT);

143

144 PWL_SCROLLBAR_TYPE m_sbType;

145 PWL_SCROLL_INFO m_OriginInfo;

146 CPWL_SBButton* m_pMinButton;

147 CPWL_SBButton* m_pMaxButton;

148 CPWL_SBButton* m_pPosButton;

149 PWL_SCROLL_PRIVATEDATA m_sData;

150 FX_BOOL m_bMouseDown;

151 FX_BOOL m_bMinOrMax;

152 FX_BOOL m_bNotifyForever;

153 FX_FLOAT m_nOldPos;

154 FX_FLOAT m_fOldPosButton;

155 };

156

157 #endif // FPDFSDK_INCLUDE_PDFWINDOW_PWL_SCROLLBAR_H_

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