X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e66474166b164b9e11f9881e79d531bc5182ea31..cb73e6001f891ae46b12a1e4ca39b93649cb6099:/src/msw/dirdlg.cpp diff --git a/src/msw/dirdlg.cpp b/src/msw/dirdlg.cpp index 4be95f9efe..e168dad0a1 100644 --- a/src/msw/dirdlg.cpp +++ b/src/msw/dirdlg.cpp @@ -5,127 +5,289 @@ // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "dirdlg.h" +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) + #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 wxUSE_DIRDLG + +#if defined(__WIN95__) && !defined(__GNUWIN32_OLD__) && wxUSE_OLE + #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" + #include "wx/app.h" // for GetComCtl32Version() #endif -#if defined(__WIN95__) && !defined(__GNUWIN32__) -#include "shlobj.h" // Win95 shell +#include "wx/msw/private.h" + +#ifdef __WXWINCE__ +#include +#include +#include #endif +#include // Win95 shell -#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 +#ifndef BIF_NEWDIALOGSTYLE + #define BIF_NEWDIALOGSTYLE 0x0040 +#endif -#if !USE_SHARED_LIBRARY -IMPLEMENT_CLASS(wxDirDialog, wxDialog) +#ifndef BIF_NONEWFOLDERBUTTON + #define BIF_NONEWFOLDERBUTTON 0x0200 #endif -wxDirDialog::wxDirDialog(wxWindow *parent, const wxString& message, -// const wxString& caption, - const wxString& defaultPath, - long style, const wxPoint& pos) +#ifndef BIF_EDITBOX + #define BIF_EDITBOX 16 +#endif + +// ---------------------------------------------------------------------------- +// 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 style, + const wxPoint& WXUNUSED(pos), + const wxSize& WXUNUSED(size), + const wxString& WXUNUSED(name)) { m_message = message; -// m_caption = caption; - m_dialogStyle = style; m_parent = parent; - m_path = defaultPath; + + SetStyle(style); + 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; - - 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 = parent ? GetHwndOf(parent) : NULL; + bi.pidlRoot = NULL; + bi.pszDisplayName = NULL; +#ifdef __WXWINCE__ + bi.lpszTitle = m_message.mb_str(); +#else + bi.lpszTitle = m_message.c_str(); +#endif + bi.ulFlags = BIF_RETURNONLYFSDIRS | BIF_STATUSTEXT; + bi.lpfn = BrowseCallbackProc; + bi.lParam = (LPARAM)m_path.c_str(); // param for the callback + + static const int verComCtl32 = wxApp::GetComCtl32Version(); + + // we always add the edit box (it doesn't hurt anybody, does it?) if it is + // supported by the system + if ( verComCtl32 >= 471 ) { - pMalloc->Release(); + bi.ulFlags |= BIF_EDITBOX; + } + + // normally the commented out part should work -- but in practice + // BIF_NONEWFOLDERBUTTON doesn't have any effect (Win2k, comctl 5.81) so I + // have to disable it [for now] +#if 0 + // to have the "New Folder" button we must use the "new" dialog style which + // is also the only way to have a resizable dialog + // + // "new" style is only available in the version 5.0+ of comctl32.dll + const bool needNewDir = HasFlag(wxDD_NEW_DIR_BUTTON); + if ( (needNewDir || HasFlag(wxRESIZE_BORDER)) && (verComCtl32 >= 500) ) + { + bi.ulFlags |= BIF_NEWDIALOGSTYLE; + + // we'll get the "New Folder" button by default now, don't show it if + // not needed + if ( !needNewDir ) + bi.ulFlags |= BIF_NONEWFOLDERBUTTON; + } +#else + if ( HasFlag(wxDD_NEW_DIR_BUTTON) && verComCtl32 >= 500 ) + { + // use the new style to make the "New Folder" button appear + bi.ulFlags |= BIF_NEWDIALOGSTYLE; + } +#endif + + // do show the dialog + LPITEMIDLIST pidl = SHBrowseForFolder(&bi); + + if ( bi.pidlRoot ) + { + 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, wxStringBuffer(m_path, MAX_PATH)); + + 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; + + 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 +#ifndef __WXWINCE__ + SendMessage(hwnd, BFFM_SETSELECTION, TRUE, pData); #endif + break; + + case BFFM_SELCHANGED: + // note that this doesn't work with the new style UI (MSDN doesn't + // say anything about it, but the comments in shlobj.h do!) but we + // still execute this code in case it starts working again with the + // "new new UI" (or would it be "NewUIEx" according to tradition?) + { + // Set the status window to the currently selected path. + wxString strDir; + if ( SHGetPathFromIDList((LPITEMIDLIST)lp, + wxStringBuffer(strDir, MAX_PATH)) ) + { + // NB: this shouldn't be necessary with the new style box + // (which is resizable), but as for now it doesn't work + // anyhow (see the comment above) no harm in doing it + + // need to truncate or it displays incorrectly + static const size_t maxChars = 37; + if ( strDir.length() > maxChars ) + { + strDir = strDir.Right(maxChars); + strDir = wxString(wxT("...")) + strDir; + } + + SendMessage(hwnd, BFFM_SETSTATUSTEXT, + 0, (LPARAM)strDir.c_str()); + } + } + 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