X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6627a4b0497f89221ea9f7848990f8830cf81b7e..c4218a74033e3091a3566c9c6619809a00b53744:/src/msw/dirdlg.cpp diff --git a/src/msw/dirdlg.cpp b/src/msw/dirdlg.cpp index 5434b5d0d7..eed2987eac 100644 --- a/src/msw/dirdlg.cpp +++ b/src/msw/dirdlg.cpp @@ -6,154 +6,186 @@ // 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 +#if defined(__WIN95__) && !defined(__GNUWIN32_OLD__) + #ifndef WX_PRECOMP -#include -#include "wx/defs.h" -#include "wx/utils.h" -#include "wx/dialog.h" -#include "wx/dirdlg.h" + #include "wx/utils.h" + #include "wx/dialog.h" + #include "wx/dirdlg.h" + #include "wx/log.h" #endif -#if (defined(__WIN95__) && !defined(__GNUWIN32__))||defined(wxUSE_NORLANDER_HEADERS) +#include "wx/msw/private.h" + #include "shlobj.h" // Win95 shell -#endif -#include "wx/msw/private.h" -#include "wx/cmndata.h" +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- -#include -#include -#include +#ifndef MAX_PATH + #define MAX_PATH 4096 // be generous +#endif -#define wxDIALOG_DEFAULT_X 300 -#define wxDIALOG_DEFAULT_Y 300 +// ---------------------------------------------------------------------------- +// wxWindows macros +// ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY IMPLEMENT_CLASS(wxDirDialog, wxDialog) -#endif -static int CALLBACK -BrowseCallbackProc(HWND hwnd,UINT uMsg,LPARAM lp, LPARAM pData) - { - TCHAR szDir[MAX_PATH]; - - switch(uMsg) - { - case BFFM_INITIALIZED: - // We have put m_path into pData. - // TRUE -> passing char *, not dir id. - SendMessage(hwnd,BFFM_SETSELECTION,TRUE,pData); - break; - - case BFFM_SELCHANGED: - // Set the status window to the currently selected path. - if (SHGetPathFromIDList((LPITEMIDLIST) lp ,szDir)) - { - SendMessage(hwnd,BFFM_SETSTATUSTEXT,0,(LPARAM)szDir); - } - break; +// ---------------------------------------------------------------------------- +// private functions prototypes +// ---------------------------------------------------------------------------- + +// free the parameter +static void ItemListFree(LPITEMIDLIST pidl); - default: - break; - } - return 0; - } +// the callback proc for the dir dlg +static int CALLBACK BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp, + LPARAM pData); -wxDirDialog::wxDirDialog(wxWindow *parent, const wxString& message, -// const wxString& caption, - const wxString& defaultPath, - long style, const wxPoint& pos) +// ============================================================================ +// 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; + m_path = defaultPath; + m_path.Replace(_T("/"), _T("\\")); // SHBrowseForFolder doesn't like '/'s } -int wxDirDialog::ShowModal(void) +int wxDirDialog::ShowModal() { - // Unfortunately Gnu-Win32 doesn't yet have COM support -#if (defined(__WIN95__) && !defined(__GNUWIN32__))||defined(wxUSE_NORLANDER_HEADERS) - HWND hWnd = 0; - if (m_parent) hWnd = (HWND) m_parent->GetHWND(); - BROWSEINFO bi; - LPTSTR lpBuffer; -// LPITEMIDLIST pidlPrograms; // PIDL for Programs folder - LPITEMIDLIST pidlBrowse; // PIDL selected by user - LPMALLOC pMalloc = NULL; - - HRESULT result = ::SHGetMalloc(&pMalloc); - - if (result != NOERROR) - return wxID_CANCEL; - - // Allocate a buffer to receive browse information. - if ((lpBuffer = (LPTSTR) pMalloc->Alloc(MAX_PATH)) == NULL) + bi.hwndOwner = m_parent ? GetHwndOf(m_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 + + LPITEMIDLIST pidl = SHBrowseForFolder(&bi); + + if ( bi.pidlRoot ) { - pMalloc->Release(); + ItemListFree((LPITEMIDLIST)bi.pidlRoot); + } + + if ( !pidl ) + { + // 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 = BrowseCallbackProc; - bi.lParam = (LPARAM)m_path.c_str(); - - // 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