gusucode.com > VC++ RingSDK界面库 > VC++ RingSDK界面库/code/libsrc/ringdows/ringcombo.cpp
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// RingSDK程序界面类库 ringdows.lib
//作者：临风
//
//版本：1.0
//
//声明：本类库可以自由使用而不须对作者作出任何回报，但作者希望能得到
// 你的鼓励和支持。你可以对类库源码作出修改和改进，但希望你能在
// 修改的同时给作者一份同样的副本。
// 本类库不得用于任何商业用途，如确实需要，请与作者联系。
//
//e-mail:ringphone@sina.com
//
//原文件名：ringcombo.cpp
//
//说明：下拉列表控件封装实现
//
**********************************************************************/
#define MAKE_SELF_LIB
#include "ringdows.h"
#if(WINVER < 0x0500)
typedef struct tagCOMBOBOXINFO
{
DWORD cbSize;
RECT rcItem;
RECT rcButton;
DWORD stateButton;
HWND hwndCombo;
HWND hwndItem;
HWND hwndList;
} COMBOBOXINFO, *PCOMBOBOXINFO, *LPCOMBOBOXINFO;
BOOL WINAPI GetComboBoxInfo(HWND hwndCombo,PCOMBOBOXINFO pcbi);
#endif
int RingCombo::InsertString(LPCTSTR lpString,int index,LONG lData/*=0*/)
{
if(lpString)
{
int nIndex = SendMessage(m_hWnd,CB_INSERTSTRING,index,(LPARAM)lpString);
if(nIndex != CB_ERR && lData != 0)
SetData(nIndex,lData);
return nIndex;
}
return CB_ERR;
}
int RingCombo::AddString(LPCTSTR lpString,LONG lData/*=0*/)
{
if(lpString)
{
int nIndex = SendMessage(m_hWnd,CB_ADDSTRING,0,(LPARAM)lpString);
if(nIndex != CB_ERR && lData != 0)
SetData(nIndex,lData);
return nIndex;
}
return CB_ERR;
}
//加入多个子项，格式：item1|item2|item3|...
int RingCombo::AddStrings(LPCTSTR lpstr)
{
if(m_hWnd == NULL)
return CB_ERR;
int index,i,cnt,c = 0;
ringStr str;
LPTSTR s;
str = lpstr;
cnt = str.count("|") + 1;
// Add the item
for(i=0;i<cnt;i++)
{
s = (LPTSTR)str.string() + c;
c = str.indexOf("|",c) + 1;
//str的operator[]总是安全的
if(str[c-2] == '\\')
continue;
str[c-1] = '\0';
if(*s != '\0')
index = AddString(s);
str[c-1] = '|';
}
return index - cnt - 1;
}
LPCTSTR RingCombo::GetLBText(int index/*=INDEX_CURSEL*/,
int size/*=RBUF_SIZE*/,
LPTSTR lpBuf/*=NULL*/)
{
if(lpBuf == NULL)
{
if(GetBuffer(size))
{
memset(m_buf,0,m_bufsize);
GetItemText(index,m_buf,m_bufsize);
return m_buf;
}
else
return "";
}
else
{
memset(lpBuf,0,size);
if(index == INDEX_CURSEL)
index = GetCurSel();
SendMessage(m_hWnd,CB_GETLBTEXT,index,(LPARAM)lpBuf);
return lpBuf;
}
}
/*
int RingCombo::GetItemText(int index,LPTSTR lpBuf,int size)
{
if(index == -1)
index = GetCurSel();
return SendMessage(m_hWnd,CB_GETLBTEXT,index,(LPARAM)lpBuf);
}
*/
//选中lpszVal指定的项，如果失败且允许输入，设置为lpszVal，index参数无用
BOOL RingCombo::SetValue(LPCTSTR lpszVal,int index/*=INDEX_CURSEL*/)
{
if(lpszVal)
{
if(Select(lpszVal) == CB_ERR)
return SetWindowText(m_hWnd,lpszVal);
else
return TRUE;
}
return FALSE;
}
/*
LRESULT RingCOMBO::RingdowProc(HWND hWnd,UINT uMsg,UINT wParam,LONG lParam)
{
//wsprintf(d,"msg:%x\r\n",uMsg);
//rf.Write(d,strlen(d));
if(uMsg == WM_ENABLE)
{
RingCtrlWnd::RingdowProc(hWnd,uMsg,wParam,lParam);
currStyle = wParam?RINGITEMSTYLE_FLAT:RINGITEMSTYLE_NORMAL;
DrawItem();
return 0;
}
if(m_ExStyle == RINGITEMSTYLE_FLAT && IsWindowEnabled(hWnd))
{
LRESULT res = RingCtrlWnd::RingdowProc(hWnd,uMsg,wParam,lParam);
switch(uMsg)
{
case WM_NCPAINT:
return OnDrawItem(hWnd,wParam,lParam);
case WM_TIMER:
return OnTimer(hWnd,wParam,lParam);
case WM_LBUTTONDOWN:
{
if((m_crBorder.crFlag & CR_FOCUSBORDERSET)) //已设置边框色
{
GetWindowRect(m_hWnd,&rcItem);
rcItem.right -= (rcItem.left);
rcItem.left = 0;
rcItem.bottom -= (rcItem.top);
rcItem.top = 0;
InflateRect(&rcItem,-2,-2);
rcItem.left = rcItem.right - GetSystemMetrics(SM_CXHSCROLL);
HDC hDC = GetWindowDC(m_hWnd);
DrawRect(hDC,&rcItem,m_crBorder.crFocus_border);
ReleaseDC(m_hWnd,hDC);
}
return res;
}
case WM_LBUTTONUP: // For kill focus
if((m_crBorder.crFlag & CR_FOCUSBORDERSET)) //已设置边框色
//if(lParam == -1)
OnDrawItem(hWnd,wParam,lParam);
return res;
case WM_COMMAND:
if(HIWORD(wParam) == EN_SETFOCUS)
OnDrawItem(hWnd,wParam,lParam);
return res;
//case WM_CTLCOLORLISTBOX:
// return (LRESULT)CreateSolidBrush(0x00ff0000);
default:
return res;
}
}
return RingCtrlWnd::RingdowProc(hWnd,uMsg,wParam,lParam);
}
LRESULT RingCOMBO::OnDrawItem(HWND hWnd,UINT,LONG)
{
DrawItem();
InflateRect(&rcItem,-1,-1);
rcItem.left = rcItem.right - GetSystemMetrics(SM_CXHSCROLL);
hDC = GetWindowDC(m_hWnd);
if(currStyle == RINGITEMSTYLE_FLAT)
{
if((m_crBorder.crFlag & CR_FLATBORDERSET)) //已设置边框色
DrawRect(hDC,&rcItem,m_crBorder.crFlat_border);
else if((m_crBorder.crFlag & CR_FLATSET) == 0) //未设置浮动边框
{
DrawRect(hDC,&rcItem,/*GetSysColor(COLOR_3DHILIGHT)/0X00FFFFFF,RC_LEFTTOP);
DrawRect(hDC,&rcItem,m_crSys.cr3DSHADOW,RC_RIGHTBOTTOM);
}
else
{
DrawRect(hDC,&rcItem,m_crBorder.crFlat_lefttop,RC_LEFTTOP);
DrawRect(hDC,&rcItem,m_crBorder.crFlat_rightbottom,RC_RIGHTBOTTOM);
}
//绘制内边框
InflateRect(&rcItem,-1,-1);
DrawRect(hDC,&rcItem,m_crSys.crBTNFACE);
}
else
{
if((m_crBorder.crFlag & CR_FOCUSBORDERSET)) //已设置边框色
DrawRect(hDC,&rcItem,m_crBorder.crFocus_border);
else if((m_crBorder.crFlag & CR_FOCUSSET) == 0) //未设置浮动边框
{
DrawEdge(hDC,&rcItem,EDGE_RAISED,BF_RECT);
//DrawRect(hDC,&rcItem,0x00ff);
ReleaseDC(m_hWnd,hDC);
bPainted = TRUE;
return 0;
}
else
{
DrawRect(hDC,&rcItem,m_crBorder.crFocus_lefttop,RC_LEFTTOP);
DrawRect(hDC,&rcItem,m_crBorder.crFocus_rightbottom,RC_RIGHTBOTTOM);
}
InflateRect(&rcItem,-1,-1);
DrawRect(hDC,&rcItem,m_crSys.crBTNFACE);
}
ReleaseDC(m_hWnd,hDC);
return 0;
}
BOOL RingCOMBO::IsFocused()
{
if((GetWindowLong(m_hWnd,GWL_STYLE) & 0x03) == CBS_DROPDOWN)
{
HWND hWnd = GetTopWindow(m_hWnd);
if (hWnd && hWnd == GetFocus())
return TRUE;
else
return FALSE;
}
return RingControls::IsFocused();
}
*/