X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7d4194184e83bbccf1a88325cca59d8d0d2faef1..e7300ec6d9ebbd1cfa2fcf12c0ce6e5aee85a152:/src/msw/dirdlg.cpp diff --git a/src/msw/dirdlg.cpp b/src/msw/dirdlg.cpp index 3c20ff1819..7e4d420847 100644 --- a/src/msw/dirdlg.cpp +++ b/src/msw/dirdlg.cpp @@ -6,126 +6,215 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #ifdef __GNUG__ -#pragma implementation "dirdlg.h" + #pragma implementation "dirdlg.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif -#ifndef WX_PRECOMP -#include -#include "wx/defs.h" -#include "wx/utils.h" -#include "wx/dialog.h" -#include "wx/dirdlg.h" -#endif +#if wxUSE_DIRDLG -#if defined(__WIN95__) && !defined(__GNUWIN32__) -#include "shlobj.h" // Win95 shell +#if defined(__WIN95__) && !defined(__GNUWIN32_OLD__) && wxUSE_OLE + +#ifndef WX_PRECOMP + #include "wx/utils.h" + #include "wx/dialog.h" + #include "wx/dirdlg.h" + #include "wx/log.h" #endif #include "wx/msw/private.h" -#include "wx/cmndata.h" -#include -#include -#include +#include // Win95 shell -#define wxDIALOG_DEFAULT_X 300 -#define wxDIALOG_DEFAULT_Y 300 +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY -IMPLEMENT_CLASS(wxDirDialog, wxDialog) +#ifndef MAX_PATH + #define MAX_PATH 4096 // be generous #endif -wxDirDialog::wxDirDialog(wxWindow *parent, const wxString& message, -// const wxString& caption, - const wxString& defaultPath, - long style, const wxPoint& pos) +// ---------------------------------------------------------------------------- +// wxWindows macros +// ---------------------------------------------------------------------------- + +IMPLEMENT_CLASS(wxDirDialog, wxDialog) + +// ---------------------------------------------------------------------------- +// private functions prototypes +// ---------------------------------------------------------------------------- + +// free the parameter +static void ItemListFree(LPITEMIDLIST pidl); + +// the callback proc for the dir dlg +static int CALLBACK BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp, + LPARAM pData); + + +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxDirDialog +// ---------------------------------------------------------------------------- + +wxDirDialog::wxDirDialog(wxWindow *parent, + const wxString& message, + const wxString& defaultPath, + long WXUNUSED(style), + const wxPoint& WXUNUSED(pos)) { m_message = message; -// m_caption = caption; - m_dialogStyle = style; m_parent = parent; - m_path = defaultPath; + + SetPath(defaultPath); +} + +void wxDirDialog::SetPath(const wxString& path) +{ + m_path = path; + + // SHBrowseForFolder doesn't like '/'s nor the trailing backslashes + m_path.Replace(_T("/"), _T("\\")); + if ( !m_path.empty() ) + { + while ( *(m_path.end() - 1) == _T('\\') ) + { + m_path.erase(m_path.length() - 1); + } + + // but the root drive should have a trailing slash (again, this is just + // the way the native dialog works) + if ( *(m_path.end() - 1) == _T(':') ) + { + m_path += _T('\\'); + } + } } -int wxDirDialog::ShowModal(void) +int wxDirDialog::ShowModal() { - // Unfortunately Gnu-Win32 doesn't yet have COM support -#if defined(__WIN95__) && !defined(__GNUWIN32__) - HWND hWnd = 0; - if (m_parent) hWnd = (HWND) m_parent->GetHWND(); + wxWindow *parent = GetParent(); BROWSEINFO bi; - LPTSTR lpBuffer; -// LPITEMIDLIST pidlPrograms; // PIDL for Programs folder - LPITEMIDLIST pidlBrowse; // PIDL selected by user - LPMALLOC pMalloc = NULL; + bi.hwndOwner = parent ? GetHwndOf(parent) : NULL; + bi.pidlRoot = NULL; + bi.pszDisplayName = NULL; + bi.lpszTitle = m_message.c_str(); + bi.ulFlags = BIF_RETURNONLYFSDIRS | BIF_STATUSTEXT; + bi.lpfn = BrowseCallbackProc; + bi.lParam = (LPARAM)m_path.c_str(); // param for the callback - HRESULT result = ::SHGetMalloc(&pMalloc); + LPITEMIDLIST pidl = SHBrowseForFolder(&bi); - if (result != NOERROR) - return wxID_CANCEL; - - // Allocate a buffer to receive browse information. - if ((lpBuffer = (LPSTR) pMalloc->Alloc(MAX_PATH)) == NULL) + if ( bi.pidlRoot ) + { + ItemListFree((LPITEMIDLIST)bi.pidlRoot); + } + + if ( !pidl ) { - pMalloc->Release(); + // Cancel button pressed return wxID_CANCEL; } -/* - // Get the PIDL for the Programs folder. - if (!SUCCEEDED(SHGetSpecialFolderLocation( - parent->GetSafeHwnd(), CSIDL_PROGRAMS, &pidlPrograms))) { - pMalloc->Free(lpBuffer); - pMalloc->Release(); + BOOL ok = SHGetPathFromIDList(pidl, m_path.GetWriteBuf(MAX_PATH)); + m_path.UngetWriteBuf(); + + ItemListFree(pidl); + + if ( !ok ) + { + wxLogLastError(wxT("SHGetPathFromIDList")); + return wxID_CANCEL; - } -*/ - - // Fill in the BROWSEINFO structure. - bi.hwndOwner = hWnd; - bi.pidlRoot = NULL; // pidlPrograms; - bi.pszDisplayName = lpBuffer; - bi.lpszTitle = m_message; // BC++ 4.52 says LPSTR, not LPTSTR? - bi.ulFlags = 0; - bi.lpfn = NULL; - bi.lParam = 0; - - // Browse for a folder and return its PIDL. - pidlBrowse = SHBrowseForFolder(&bi); - - int id = wxID_OK; - if (pidlBrowse != NULL) { - - // Show the display name, title, and file system path. - if (SHGetPathFromIDList(pidlBrowse, lpBuffer)) - m_path = lpBuffer; - - // Free the PIDL returned by SHBrowseForFolder. - pMalloc->Free(pidlBrowse); } - else - id = wxID_CANCEL; - - // Clean up. -// pMalloc->Free(pidlPrograms); - pMalloc->Free(lpBuffer); - pMalloc->Release(); - - return id; -#else - return wxID_CANCEL; -#endif + + return wxID_OK; } +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + +static int CALLBACK +BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp, LPARAM pData) +{ + switch(uMsg) + { + case BFFM_INITIALIZED: + // sent immediately after initialisation and so we may set the + // initial selection here + // + // wParam = TRUE => lParam is a string and not a PIDL + SendMessage(hwnd, BFFM_SETSELECTION, TRUE, pData); + break; + + case BFFM_SELCHANGED: + { + // Set the status window to the currently selected path. + TCHAR szDir[MAX_PATH]; + if ( SHGetPathFromIDList((LPITEMIDLIST)lp, szDir) ) + { + wxString strDir(szDir); + int maxChars = 40; // Have to truncate string else it displays incorrectly + if (strDir.Len() > (size_t) (maxChars - 3)) + { + strDir = strDir.Right(maxChars - 3); + strDir = wxString(wxT("...")) + strDir; + } + SendMessage(hwnd, BFFM_SETSTATUSTEXT, 0, (LPARAM) (const wxChar*) strDir); + } + } + break; + + //case BFFM_VALIDATEFAILED: -- might be used to provide custom message + // if the user types in invalid dir name + } + + return 0; +} + + +static void ItemListFree(LPITEMIDLIST pidl) +{ + if ( pidl ) + { + LPMALLOC pMalloc; + SHGetMalloc(&pMalloc); + if ( pMalloc ) + { + pMalloc->Free(pidl); + pMalloc->Release(); + } + else + { + wxLogLastError(wxT("SHGetMalloc")); + } + } +} + +#else + #include "../generic/dirdlgg.cpp" +#endif // compiler/platform on which the code here compiles + +#endif // wxUSE_DIRDLG