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SlideBar.cpp
资源名称：网络视频电话系统.rar　[点击查看]
上传用户：oldpeter23
上传日期：2013-01-09
资源大小：1111k
文件大小：5k
源码类别：

IP电话/视频会议

开发平台：

Visual C++

SlideBar.cpp：源码内容
  1. //NetTalk
  2. /*------------------------------------------------------------------------------*
  3.  =============================
  4.    模块名称: SlideBar.cpp
  5.  =============================
  6.  
  7.  [版权]
  8.  
  9.    2000-2002  115软件工厂  版权所有
  10.                                               
  11. *------------------------------------------------------------------------------*/
  12. #include "Wndx.h"
  14. #include "SlideBar.h"
  15. #include <Windowsx.h>
  17. /*------------------------------------------------------------------------------*/
  18. CSlideBar::CSlideBar()
  19. {
  21. m_hbmpFace1=0;
  22. m_hbmpFace2=0;
  23. m_iPos=0;
  26. }
  28. /*------------------------------------------------------------------------------*/
  29. CSlideBar::~CSlideBar()
  30. {
  33. }
  34. /*------------------------------------------------------------------------------*/
  36. void CSlideBar::SetPos(int iPos)
  37. {
  38. m_iPos=iPos;
  39. InvalidateRect(m_hWnd,0,FALSE);
  40. }
  41. /*------------------------------------------------------------------------------*/
  42. int CSlideBar::GetPos()
  43. {
  44. return m_iPos;
  45. }
  47. /*------------------------------------------------------------------------------*/
  48. void CSlideBar::MakeBmp(HDC hdc)
  49. {
  50. if(m_hbmpFace1)
  51. DeleteObject(m_hbmpFace1);
  52. if(m_hbmpFace2)
  53. DeleteObject(m_hbmpFace2);
  55. HDC hMemDC=CreateCompatibleDC(hdc);
  56. HPEN hp=CreatePen(PS_SOLID,1,0x00808080);
  57. HPEN hop=(HPEN)SelectObject(hMemDC,hp);
  58. CRectX rc;
  59. GetClientRect(m_hWnd,&rc);
  60. m_hbmpFace1=CreateCompatibleBitmap(hdc,rc.Width(),rc.Height());
  61. m_hbmpFace2=CreateCompatibleBitmap(hdc,rc.Width(),rc.Height());
  63. HBITMAP hob=(HBITMAP)SelectObject(hMemDC,m_hbmpFace1);
  64. FillSolidRectX(hMemDC,CRectX(0,0,rc.Width(),rc.Height()),0x00a2a2a2);
  66. for(int i=0;i<rc.Width()/2;i++)
  67. {
  68. MoveToEx(hMemDC,i*2,0,0);
  69. LineTo(hMemDC,i*2,rc.Height());
  70. }
  72. SelectObject(hMemDC,m_hbmpFace2);
  73. FillSolidRectX(hMemDC,CRectX(0,0,rc.Width(),rc.Height()),0x00a2a2a2);
  75. SelectObject(hMemDC,hop);
  76. DeleteObject(hp);
  77. hp=CreatePen(PS_SOLID,1,0x00ffeeee);
  78. SelectObject(hMemDC,hp);
  80. for(i=0;i<rc.Width()/2;i++)
  81. {
  82. MoveToEx(hMemDC,i*2,0,0);
  83. LineTo(hMemDC,i*2,rc.Height());
  84. }
  86. SelectObject(hMemDC,hop);
  87. DeleteObject(hp);
  89. SelectObject(hMemDC,hob);
  90. DeleteDC(hMemDC);
  94. }
  96. /*------------------------------------------------------------------------------*/
  97. BOOL CSlideBar::Create(RECT &rc,HWND hParent, UINT uID)
  98. {
  99. return CWndX::Create(0,0,0,WS_CHILD|WS_VISIBLE,rc,hParent,(HMENU)uID,0);
  101. }
  102. /*------------------------------------------------------------------------------*/
  103. LRESULT CSlideBar::WndProc(UINT uMsg, WPARAM wParam, LPARAM lParam)
  104. {
  105. switch(uMsg)
  106. {
  107. case WM_PAINT:
  108. OnPaint();
  109. return TRUE;
  110. case WM_DESTROY:
  111. if(m_hbmpFace1)
  112. DeleteObject(m_hbmpFace1);
  113. if(m_hbmpFace2)
  114. DeleteObject(m_hbmpFace2);
  115. m_hbmpFace1=0;
  116. m_hbmpFace2=0;
  117. break;
  118. case WM_LBUTTONDOWN:
  119. {
  120. POINT point;
  121. point.x=GET_X_LPARAM(lParam); 
  122. point.y=GET_Y_LPARAM(lParam); 
  123. OnLButtonDown(wParam,point);
  124. }
  125. break;
  127. }
  128. return CWndX::WndProc(uMsg,wParam,lParam);
  129. }
  130. /*------------------------------------------------------------------------------*/
  131. void CSlideBar::OnPaint()
  132. {
  133. PAINTSTRUCT ps;
  134. HDC hdc=BeginPaint(m_hWnd,&ps);
  135. if(!m_hbmpFace1)
  136. {
  137. MakeBmp(hdc);
  138. }
  139. CRectX rc;
  140. GetClientRect(m_hWnd,&rc);
  141. HDC hMemDC=CreateCompatibleDC(hdc);
  143.     HBITMAP hob=(HBITMAP)SelectObject(hMemDC,m_hbmpFace2);
  144. int p=rc.Width()*m_iPos/100;
  145. BitBlt(hdc,rc.left,rc.top,p,rc.Height(),hMemDC,0,0,SRCCOPY);
  146. SelectObject(hMemDC,m_hbmpFace1);
  147. BitBlt(hdc,rc.left+p,rc.top,rc.Width()-p,rc.Height(),hMemDC,p,0,SRCCOPY);
  149. SelectObject(hMemDC,hob);
  151. DeleteDC(hMemDC);
  152. EndPaint(m_hWnd,&ps);
  153. }
  154. /*------------------------------------------------------------------------------*/
  155. void CSlideBar::OnLButtonDown(UINT nFlags, POINT &point)
  156. {
  157. SetCapture(m_hWnd);
  158. CRectX rc;
  159. GetClientRect(m_hWnd,&rc);
  160. SetPos(point.x*100/rc.Width());
  161. SendMessage(GetParent(m_hWnd),WM_SLD,m_iPos,(LPARAM)m_hWnd);
  162. MSG msg;
  163. while(GetMessage(&msg, NULL, 0, 0))
  164. {
  166. if (GetCapture()!=m_hWnd)
  167. {
  168. DispatchMessage(&msg);
  169. break;
  170. }
  172. switch (msg.message)
  173. {
  175. case WM_MOUSEMOVE:
  176. if(GET_X_LPARAM(msg.lParam)>rc.right)
  177. SetPos(100);
  178. else
  179. if(GET_X_LPARAM(msg.lParam)<rc.left)
  180. SetPos(0);
  181. else
  182. SetPos(GET_X_LPARAM(msg.lParam)*100/rc.Width());
  183. SendMessage(GetParent(m_hWnd),WM_SLD,m_iPos,(LPARAM)m_hWnd);
  184. break;
  185. case WM_LBUTTONUP:
  187. goto EXITLOOP;
  189. default:
  190. DispatchMessage(&msg);
  191. break;
  192. }
  193. }
  195. EXITLOOP:
  197. ReleaseCapture();
  198. }