DLG_Find.c
资源名称:VC++视频传输.rar [点击查看]
上传用户:hxb_1234
上传日期:2010-03-30
资源大小:8328k
文件大小:6k
源码类别:
VC书籍
开发平台:
Visual C++
- ////////////////////////////////////////////////////////////////////////////////
- #include "stdafx.h"
- #include "globals.h"
- #include "DLG_Find.h"
- #include "CPI_Playlist.h"
- #include "CPI_PlaylistItem.h"
- ////////////////////////////////////////////////////////////////////////////////
- //
- void Search_SelectItems();
- //
- ////////////////////////////////////////////////////////////////////////////////
- ////////////////////////////////////////////////////////////////////////////////
- //
- //
- //
- BOOL CALLBACK wp_FindDialog(HWND hWnd, UINT uMessage, WPARAM wParam, LPARAM lParam)
- {
- switch(uMessage)
- {
- case WM_INITDIALOG:
- // Setup type initial state
- {
- UINT uiDlgItemToSet;
- if(options.m_enQuickFindTerm == qftTitle)
- uiDlgItemToSet = IDC_QFND_TITLES;
- else if(options.m_enQuickFindTerm == qftArtist)
- uiDlgItemToSet = IDC_QFND_ARTISTS;
- else
- uiDlgItemToSet = IDC_QFND_ALBUMS;
- SendDlgItemMessage(hWnd, uiDlgItemToSet, BM_SETCHECK, (WPARAM)BST_CHECKED, 0L);
- }
- // Setup position
- if(globals.m_bQuickFindWindowPos_Valid == TRUE)
- {
- SetWindowPos(hWnd, NULL,
- globals.m_ptQuickFindWindowPos.x, globals.m_ptQuickFindWindowPos.y,
- 0, 0,
- SWP_NOSIZE | SWP_NOZORDER);
- }
- return TRUE;
- case WM_CLOSE:
- DestroyWindow(hWnd);
- windows.m_hWndFindDialog = NULL;
- SetFocus(CLV_GetHWND(globals.m_hPlaylistViewControl));
- break;
- case WM_COMMAND:
- switch(LOWORD(wParam))
- {
- case IDOK:
- case IDCANCEL:
- SendMessage(hWnd, WM_CLOSE, 0L, 0L);
- break;
- case IDC_FND_TEXT:
- if(HIWORD(wParam) == EN_CHANGE)
- Search_SelectItems();
- break;
- case IDC_QFND_TITLES:
- case IDC_QFND_ARTISTS:
- case IDC_QFND_ALBUMS:
- if(HIWORD(wParam) == BN_CLICKED)
- {
- // Set the search defaults
- if(LOWORD(wParam) == IDC_QFND_TITLES)
- options.m_enQuickFindTerm = qftTitle;
- else if(LOWORD(wParam) == IDC_QFND_ARTISTS)
- options.m_enQuickFindTerm = qftArtist;
- else
- options.m_enQuickFindTerm = qftAlbum;
- // Research
- Search_SelectItems();
- }
- break;
- }
- break;
- case WM_WINDOWPOSCHANGED:
- // Store the window pos for next time
- {
- const WINDOWPOS* pWinPos = (const WINDOWPOS*)lParam;
- globals.m_bQuickFindWindowPos_Valid = TRUE;
- globals.m_ptQuickFindWindowPos.x = pWinPos->x;
- globals.m_ptQuickFindWindowPos.y = pWinPos->y;
- }
- break;
- }
- return FALSE;
- }
- //
- //
- //
- char* CP_stristr(const char *pcString1, const char *pcString2)
- {
- char *pCompareStart = (char *)pcString1;
- char *pCursor_S1, *pCursor_S2;
- char cSrc, cDst;
- // If there is a null source string - this is a "no match"
- if(!pcString1)
- return NULL;
- // Null length string 2 - this is a "no match"
- if(!*pcString2)
- return NULL;
- // Search from every start pos in the source string
- while(*pCompareStart)
- {
- pCursor_S1 = pCompareStart;
- pCursor_S2 = (char *)pcString2;
- // Scan both string
- while(*pCursor_S1 && *pCursor_S2)
- {
- cSrc = *pCursor_S1;
- cDst = *pCursor_S2;
- // Correct case
- if( (cSrc >= 'A') && (cSrc <= 'Z') )
- cSrc -= ('A' - 'a');
- if( (cDst >= 'A') && (cDst <= 'Z') )
- cDst -= ('A' - 'a');
- if(cSrc != cDst)
- break;
- pCursor_S1++;
- pCursor_S2++;
- }
- // If string 2 is exhausted - there is a match
- if(!*pCursor_S2)
- return(pCompareStart);
- // Offset source and continue
- pCompareStart++;
- }
- return NULL;
- }
- //
- //
- //
- void Search_SelectItems()
- {
- CP_HPLAYLISTITEM hCursor;
- BOOL bFirstMatch = TRUE;
- char* pcTerm;
- unsigned int iEditTextLength;
- BOOL bTitles, bAlbums, bArtists;
- // Get search term
- iEditTextLength = SendDlgItemMessage(windows.m_hWndFindDialog, IDC_FND_TEXT, WM_GETTEXTLENGTH, 0L, 0L);
- pcTerm = (char*)malloc(iEditTextLength + 1);
- SendDlgItemMessage(windows.m_hWndFindDialog, IDC_FND_TEXT, WM_GETTEXT, (WPARAM)(iEditTextLength + 1), (LPARAM)pcTerm);
- // Get search filter
- bTitles = SendDlgItemMessage(windows.m_hWndFindDialog, IDC_QFND_TITLES, BM_GETCHECK, 0L, 0L) == BST_CHECKED ? TRUE : FALSE;
- bArtists = SendDlgItemMessage(windows.m_hWndFindDialog, IDC_QFND_ARTISTS, BM_GETCHECK, 0L, 0L) == BST_CHECKED ? TRUE : FALSE;
- bAlbums = SendDlgItemMessage(windows.m_hWndFindDialog, IDC_QFND_ALBUMS, BM_GETCHECK, 0L, 0L) == BST_CHECKED ? TRUE : FALSE;
- // Perform select/search
- for(hCursor = CPL_GetFirstItem(globals.m_hPlaylist); hCursor; hCursor = CPLI_Next(hCursor))
- {
- const int iItemIDX = CPLI_GetCookie(hCursor);
- const char* pcMatchTerm;
- BOOL bSelect = FALSE;
- // Perform searches
- if(bTitles)
- pcMatchTerm = CPLI_GetTrackName(hCursor);
- else if(bArtists)
- pcMatchTerm = CPLI_GetArtist(hCursor);
- else
- pcMatchTerm = CPLI_GetAlbum(hCursor);
- if( CP_stristr(pcMatchTerm, pcTerm) )
- bSelect = TRUE;
- // If this is the first match - focus (and scroll on) the item
- if(bSelect && bFirstMatch == TRUE)
- {
- bFirstMatch = FALSE;
- CLV_SetFocusItem(globals.m_hPlaylistViewControl, iItemIDX);
- CLV_EnsureVisible(globals.m_hPlaylistViewControl, iItemIDX);
- }
- // Update selected state
- CLV_SetItemSelected(globals.m_hPlaylistViewControl, iItemIDX, bSelect);
- }
- // Cleanup
- free(pcTerm);
- }
- //
- //
- //