115 lines
3 KiB
C
115 lines
3 KiB
C
//
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// Browse.C
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//
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#include "sigverif.h"
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// Global browse buffer that is used until user click OK or Cancel
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TCHAR g_szBrowsePath[MAX_PATH];
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//
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// This callback function handles the initialization of the browse dialog and when
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// the user changes the selection in the tree-view. We want to keep updating the
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// g_szBrowsePath buffer with selection changes until the user clicks OK.
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//
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int CALLBACK BrowseCallbackProc(
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HWND hwnd,
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UINT uMsg,
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LPARAM lParam,
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LPARAM lpData
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)
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{
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int iRet = 0;
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TCHAR PathName[MAX_PATH];
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LPTSTR lpPathName = PathName;
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LPITEMIDLIST lpid;
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switch (uMsg) {
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case BFFM_INITIALIZED:
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//
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// Initialize the dialog with the OK button and g_szBrowsePath
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//
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SendMessage(hwnd, BFFM_ENABLEOK, (WPARAM) 0, (LPARAM) 1);
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SendMessage(hwnd, BFFM_SETSELECTION, (WPARAM) TRUE, (LPARAM) g_szBrowsePath);
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break;
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case BFFM_SELCHANGED:
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lpid = (LPITEMIDLIST) lParam;
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if (SHGetPathFromIDList(lpid, lpPathName)) {
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//
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// If the path is good, then update g_szBrowsePath
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//
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lstrcpy(g_szBrowsePath, lpPathName);
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}
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SendMessage(hwnd, BFFM_ENABLEOK, (WPARAM) 0, (LPARAM) 1);
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break;
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}
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return iRet;
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}
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//
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// This uses SHBrowseForFolder to get the directory the user wants to search.
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// We specify a callback function that updates g_szBrowsePath until the user clicks OK or Cancel.
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// If they clicked OK, then we update the string passed in to us as lpszBuf.
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//
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//
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BOOL BrowseForFolder(HWND hwnd, LPTSTR lpszBuf) {
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BROWSEINFO bi;
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TCHAR szBuffer[MAX_PATH],
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szMessage[MAX_PATH];
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LPITEMIDLIST lpid;
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//
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// Check if the lpszBuf path is valid, if so use that as the browse dialog's initial directory.
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// If it isn't valid, initialize g_szBrowsePath with the Windows directory.
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//
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if (!SetCurrentDirectory(lpszBuf)) {
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MyGetWindowsDirectory(g_szBrowsePath, MAX_PATH);
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} else {
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lstrcpy(g_szBrowsePath, lpszBuf);
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}
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//
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// Start the root of the browse dialog in the CSIDL_DRIVES namespace
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//
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if (!SUCCEEDED(SHGetSpecialFolderLocation(hwnd, CSIDL_DRIVES, &lpid))) {
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return FALSE;
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}
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//
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// This loads in the "Please select a directory" text into the dialog.
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//
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MyLoadString(szMessage, IDS_SELECTDIR);
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//
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// Setup the BrowseInfo struct.
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//
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bi.hwndOwner = hwnd;
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bi.pidlRoot = lpid;
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bi.pszDisplayName = szBuffer;
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bi.lpszTitle = szMessage;
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bi.ulFlags = BIF_RETURNONLYFSDIRS;
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bi.lpfn = (BFFCALLBACK) BrowseCallbackProc;
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bi.lParam = 0x123;
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if (SHBrowseForFolder(&bi) == NULL) {
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return FALSE;
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}
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//
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// The user must have clicked OK, so we can update lpszBuf with g_szBrowsePath!
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//
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lstrcpy(lpszBuf, g_szBrowsePath);
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return TRUE;
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} |