1 // Windows/Control/ComboBox.cpp 2 3 #include "StdAfx.h" 4 5 #ifndef _UNICODE 6 #include "../../Common/StringConvert.h" 7 #endif 8 9 #include "ComboBox.h" 10 11 #ifndef _UNICODE 12 extern bool g_IsNT; 13 #endif 14 15 namespace NWindows { 16 namespace NControl { 17 18 LRESULT CComboBox::GetLBText(int index, CSysString &s) 19 { 20 s.Empty(); 21 LRESULT len = GetLBTextLen(index); // length, excluding the terminating null character 22 if (len == CB_ERR) 23 return len; 24 LRESULT len2 = GetLBText(index, s.GetBuf((unsigned)len)); 25 if (len2 == CB_ERR) 26 return len; 27 if (len > len2) 28 len = len2; 29 s.ReleaseBuf_CalcLen((unsigned)len); 30 return len; 31 } 32 33 #ifndef _UNICODE 34 LRESULT CComboBox::AddString(LPCWSTR s) 35 { 36 if (g_IsNT) 37 return SendMsgW(CB_ADDSTRING, 0, (LPARAM)s); 38 return AddString(GetSystemString(s)); 39 } 40 41 LRESULT CComboBox::GetLBText(int index, UString &s) 42 { 43 s.Empty(); 44 if (g_IsNT) 45 { 46 LRESULT len = SendMsgW(CB_GETLBTEXTLEN, index, 0); 47 if (len == CB_ERR) 48 return len; 49 LRESULT len2 = SendMsgW(CB_GETLBTEXT, index, (LPARAM)s.GetBuf((unsigned)len)); 50 if (len2 == CB_ERR) 51 return len; 52 if (len > len2) 53 len = len2; 54 s.ReleaseBuf_CalcLen((unsigned)len); 55 return len; 56 } 57 AString sa; 58 LRESULT len = GetLBText(index, sa); 59 if (len == CB_ERR) 60 return len; 61 s = GetUnicodeString(sa); 62 return s.Len(); 63 } 64 #endif 65 66 }} 67
