2024年4月30日发(作者：)
这是一个实现自绘CButton的类,期望对大家有点帮助,我提供这个类,只是为大家提供一个自绘控件的思路,你可以在此基础上,随意地修改代码,直
到它能完成你所需要的功能.其它控件的自绘,原理了和这个差不多.
1.#if !defined(AFX_BUTTONST_H__1271FF9C_E28C_4D3B_B429_AFE65924A5D0__INCLUDED_) 2.#define
AFX_BUTTONST_H__1271FF9C_E28C_4D3B_B429_AFE65924A5D0__INCLUDED_ 3.4.#if _MSC_VER > 1000 5.#pragma once 6.#endif //
_MSC_VER > 1000 7.// ButtonST.h : header file 8.// 9.10.///////////////////////////////////////////////////////////////////////////// 11.// CButtonST window
CButtonST : public CButton
14.{
15.// Construction :
17. CButtonST();
18.19.// Attributes :
21.
22.// Operations :
24. //设置背景颜色 25. void SetBkColor(COLORREF BkColor);
26. //设置鼠标在按钮上的偏移颜色 27. void SetShOffset(int nShOffset);
28. //设置字体颜色 29. void SetTextColor(COLORREF TextColor);
30. //设置网页链接 31. void SetURL(CString strURL);
32. //设置背景图片 33. void SetBkPicture(CBitmap *pBitMap);
34.35.// Overrides 36. // ClassWizard generated virtual function overrides 37. //{{AFX_VIRTUAL(CButtonST) 38. public:
39. virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
40. virtual BOOL Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT
nID, CCreateContext* pContext = NULL);
41. protected:
42. virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
43. virtual void PreSubclassWindow();
44. //}}AFX_VIRTUAL 45.46.// Implementation :
48. virtual ~CButtonST();
49.
50. void DrawItem1(LPDRAWITEMSTRUCT lpDrawItemStruct);
51.52. // Generated message map functions ted:
54. //{{AFX_MSG(CButtonST) 55. afx_msg void OnMouseMove(UINT nFlags, CPoint point);
56. afx_msg BOOL OnNcActivate(BOOL bActive);
57. afx_msg void OnNcMouseMove(UINT nHitTest, CPoint point);
58. afx_msg void OnKillFocus(CWnd* pNewWnd);
59. afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
60. //}}AFX_MSG ted:
62. //鼠标是否在按钮上面 63. BOOL m_IsPressed;
64. COLORREF m_BkColor;
65. int m_nShOffset;
66. COLORREF m_TextColor;
67. CString m_strURL;
68. CBitmap *m_pBitMapBK;
ted:
70. //背景颜色偏移 71. COLORREF OffsetColor(COLORREF color,int nOffset);
72. //鼠标离开 73. LRESULT OnMouseLeave(WPARAM wParam, LPARAM lParam);
74. DECLARE_MESSAGE_MAP()
75.};
76.77.///////////////////////////////////////////////////////////////////////////// 78.79.//{{AFX_INSERT_LOCATION}} 80.// Microsoft Visual C++ will insert additional
declarations immediately before the previous line. 81.82.#endif
// !defined(AFX_BUTTONST_H__1271FF9C_E28C_4D3B_B429_AFE65924A5D0__INCLUDED_) 83.
1.// : implementation file 2.// 3.4.#include "stdafx.h" 5.#include "ContrlST.h" 6.#include "ButtonST.h" 7.8.#ifdef _DEBUG 9.#define new
DEBUG_NEW 10.#undef THIS_FILE char THIS_FILE[] = __FILE__; 12.#endif 13.#define BS_TYPEMASK SS_TYPEMASK
14.15.///////////////////////////////////////////////////////////////////////////// 16.// CButtonST nST::CButtonST()
19.{
20. m_IsPressed = FALSE;
21. m_BkColor = RGB(216,233,216);
22. m_nShOffset = 30;
23. m_TextColor = RGB(0,0,0);
24. m_strURL = "";
25. m_pBitMapBK = NULL;
26.}
nST::~CButtonST()
29.{
30. if(m_pBitMapBK!=NULL)
31. {
32. delete m_pBitMapBK;
33. m_pBitMapBK = NULL;
34. }
35.}
_MESSAGE_MAP(CButtonST, CButton)
39. //{{AFX_MSG_MAP(CButtonST) 40. ON_WM_MOUSEMOVE()
41. ON_WM_NCACTIVATE()
42. ON_WM_NCMOUSEMOVE()
43. ON_WM_KILLFOCUS()
44. ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave)
45. ON_WM_LBUTTONDOWN()
46. //}}AFX_MSG_MAP _MESSAGE_MAP()
48.49.///////////////////////////////////////////////////////////////////////////// 50.// CButtonST message handlers 51.52.53.//设置背景颜色
CButtonST::SetBkColor(COLORREF BkColor)
55.{
56. m_BkColor = BkColor;
57. this->Invalidate();
58.}
59.//设置鼠标在按钮上的偏移颜色
CButtonST::SetShOffset(int nShOffset)
61.{
62. m_nShOffset = nShOffset;
63. this->Invalidate();
64.}
65.//设置字体颜色 CButtonST::SetTextColor(COLORREF TextColor)
67.{
68. m_TextColor = TextColor;
69. this->Invalidate();
70.}
71.//设置网页链接 CButtonST::SetURL(CString strURL)
73.{
74. m_strURL = strURL;
75.}
76.77.//设置背景图片 CButtonST::SetBkPicture(CBitmap *pBitMap)
79.{
80. if(m_pBitMapBK==pBitMap)
81. return;
82. if(m_pBitMapBK!=NULL)
83. {
84. delete m_pBitMapBK;
85. m_pBitMapBK = pBitMap;
86. }
87. m_pBitMapBK = pBitMap;
88. this->Invalidate();
89.}
90.//背景颜色偏移 EF CButtonST::OffsetColor(COLORREF color,int nOffset)
92.{
93. BYTE byRed = 0;
94. BYTE byGreen = 0;
95. BYTE byBlue = 0;
96. short shOffsetR = nOffset;
97. short shOffsetG = nOffset;
98. short shOffsetB = nOffset;
99. if (nOffset < -255 || nOffset > 255)
100. {
101. nOffset = 30;
102. }
103.
104. // Get RGB components of specified color 105. byRed = GetRValue(color);
106. byGreen = GetGValue(color);
107. byBlue = GetBValue(color);
108.
109. // Calculate max. allowed real offset 110. if (nOffset > 0)
111. {
112. if (byRed + nOffset > 255) shOffsetR = 255 - byRed;
113. if (byGreen + nOffset > 255) shOffsetG = 255 - byGreen;
114. if (byBlue + nOffset > 255) shOffsetB = 255 - byBlue;
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