X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1318fabeb4df18bf0c6f045f5598a4e16ea5fd85..779e28da630ef9fba6441fb0bab01cd538a7e7bb:/src/msw/dirdlg.cpp diff --git a/src/msw/dirdlg.cpp b/src/msw/dirdlg.cpp index 66ad5c708e..d17cdc7f0f 100644 --- a/src/msw/dirdlg.cpp +++ b/src/msw/dirdlg.cpp @@ -1,131 +1,507 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dirdlg.cpp +// Name: src/msw/dirdlg.cpp // Purpose: wxDirDialog // Author: Julian Smart // 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" -#endif +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- // 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" +#if wxUSE_DIRDLG + +#if wxUSE_OLE && !defined(__GNUWIN32_OLD__) && (!defined(__WXWINCE__) || \ + (defined(__HANDHELDPC__) && (_WIN32_WCE >= 500))) + #include "wx/dirdlg.h" -#endif -#if defined(__WIN95__) && !defined(__GNUWIN32__) -#include "shlobj.h" // Win95 shell +#ifndef WX_PRECOMP + #include "wx/utils.h" + #include "wx/dialog.h" + #include "wx/log.h" + #include "wx/app.h" // for GetComCtl32Version() #endif #include "wx/msw/private.h" -#include "wx/cmndata.h" +#include "wx/msw/wrapshl.h" +#include "wx/msw/private/comptr.h" +#include "wx/dynlib.h" -#include -#include -#include +#include -#define wxDIALOG_DEFAULT_X 300 -#define wxDIALOG_DEFAULT_Y 300 +// We can only use IFileDialog under desktop Windows and we need +// wxDynamicLibrary for it. +#if wxUSE_DYNLIB_CLASS && !defined(__WXWINCE__) + #define wxUSE_IFILEDIALOG 1 +#else + #define wxUSE_IFILEDIALOG +#endif -#if !USE_SHARED_LIBRARY -IMPLEMENT_CLASS(wxDirDialog, wxDialog) +#if wxUSE_IFILEDIALOG +// IFileDialog related declarations missing from some compilers headers. + +// IShellItem +#ifndef __IShellItem_INTERFACE_DEFINED__ + +#ifndef SIGDN_FILESYSPATH + #define SIGDN_FILESYSPATH 0x80058000 +#endif + +struct IShellItem : public IUnknown +{ + virtual HRESULT wxSTDCALL BindToHandler(IBindCtx*, REFGUID, REFIID, void**) = 0; + virtual HRESULT wxSTDCALL GetParent(IShellItem**) = 0; + virtual HRESULT wxSTDCALL GetDisplayName(DWORD, LPWSTR*) = 0; + virtual HRESULT wxSTDCALL GetAttributes(ULONG, ULONG*) = 0; + virtual HRESULT wxSTDCALL Compare(IShellItem*, DWORD, int*) = 0; +}; + +#endif // #ifndef __IShellItem_INTERFACE_DEFINED__ + +// Define this GUID in any case, even when __IShellItem_INTERFACE_DEFINED__ is +// defined in the headers we might still not have it in the actual uuid.lib, +// this happens with at least VC7 used with its original (i.e. not updated) SDK +// and there is no harm in defining the GUID unconditionally. +DEFINE_GUID(IID_IShellItem, + 0x43826D1E, 0xE718, 0x42EE, 0xBC, 0x55, 0xA1, 0xE2, 0x61, 0xC3, 0x7B, 0xFE); + +struct IShellItemFilter; +struct IFileDialogEvents; + +// IModalWindow +#ifndef __IModalWindow_INTERFACE_DEFINED__ + +struct IModalWindow : public IUnknown +{ + virtual HRESULT wxSTDCALL Show(HWND) = 0; +}; + +#endif // #ifndef __IModalWindow_INTERFACE_DEFINED__ + +// IFileDialog +#ifndef __IFileDialog_INTERFACE_DEFINED__ + +#ifndef FOS_PICKFOLDERS + #define FOS_PICKFOLDERS 0x20 +#endif + +#ifndef FOS_FORCEFILESYSTEM + #define FOS_FORCEFILESYSTEM 0x40 #endif -wxDirDialog::wxDirDialog(wxWindow *parent, const wxString& message, -// const wxString& caption, - const wxString& defaultPath, - long style, const wxPoint& pos) +struct COMDLG_FILTERSPEC; + +struct IFileDialog : public IModalWindow +{ + virtual HRESULT wxSTDCALL SetFileTypes(UINT, const COMDLG_FILTERSPEC*) = 0; + virtual HRESULT wxSTDCALL SetFileTypeIndex(UINT) = 0; + virtual HRESULT wxSTDCALL GetFileTypeIndex(UINT*) = 0; + virtual HRESULT wxSTDCALL Advise(IFileDialogEvents*, DWORD*) = 0; + virtual HRESULT wxSTDCALL Unadvise(DWORD) = 0; + virtual HRESULT wxSTDCALL SetOptions(DWORD) = 0; + virtual HRESULT wxSTDCALL GetOptions(DWORD*) = 0; + virtual HRESULT wxSTDCALL SetDefaultFolder(IShellItem*) = 0; + virtual HRESULT wxSTDCALL SetFolder(IShellItem*) = 0; + virtual HRESULT wxSTDCALL GetFolder(IShellItem**) = 0; + virtual HRESULT wxSTDCALL GetCurrentSelection(IShellItem**) = 0; + virtual HRESULT wxSTDCALL SetFileName(LPCWSTR) = 0; + virtual HRESULT wxSTDCALL GetFileName(LPWSTR*) = 0; + virtual HRESULT wxSTDCALL SetTitle(LPCWSTR) = 0; + virtual HRESULT wxSTDCALL SetOkButtonLabel(LPCWSTR) = 0; + virtual HRESULT wxSTDCALL SetFileNameLabel(LPCWSTR) = 0; + virtual HRESULT wxSTDCALL GetResult(IShellItem**) = 0; + virtual HRESULT wxSTDCALL AddPlace(IShellItem*, DWORD) = 0; + virtual HRESULT wxSTDCALL SetDefaultExtension(LPCWSTR) = 0; + virtual HRESULT wxSTDCALL Close(HRESULT) = 0; + virtual HRESULT wxSTDCALL SetClientGuid(REFGUID) = 0; + virtual HRESULT wxSTDCALL ClearClientData() = 0; + virtual HRESULT wxSTDCALL SetFilter(IShellItemFilter*) = 0; +}; + +DEFINE_GUID(CLSID_FileOpenDialog, + 0xDC1C5A9C, 0xE88A, 0x4dde, 0xA5, 0xA1, 0x60, 0xF8, 0x2A, 0x20, 0xAE, 0xF7); + +DEFINE_GUID(IID_IFileDialog, + 0x42F85136, 0xDB7E, 0x439C, 0x85, 0xF1, 0xE4, 0x07, 0x5D, 0x13, 0x5F, 0xC8); + +#endif // #ifndef __IFileDialog_INTERFACE_DEFINED__ + +#endif // wxUSE_IFILEDIALOG + +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + +#ifndef BIF_NEWDIALOGSTYLE + #define BIF_NEWDIALOGSTYLE 0x0040 +#endif + +#ifndef BIF_NONEWFOLDERBUTTON + #define BIF_NONEWFOLDERBUTTON 0x0200 +#endif + +#ifndef BIF_EDITBOX + #define BIF_EDITBOX 16 +#endif + +// ---------------------------------------------------------------------------- +// wxWidgets macros +// ---------------------------------------------------------------------------- + +IMPLEMENT_CLASS(wxDirDialog, wxDialog) + +// ---------------------------------------------------------------------------- +// private functions prototypes +// ---------------------------------------------------------------------------- + +// 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; + + SetWindowStyle(style); + SetPath(defaultPath); } -int wxDirDialog::ShowModal(void) +void wxDirDialog::SetPath(const wxString& path) { - // 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(); + m_path = path; + + // SHBrowseForFolder doesn't like '/'s nor the trailing backslashes + m_path.Replace(wxT("/"), wxT("\\")); + + while ( !m_path.empty() && (*(m_path.end() - 1) == wxT('\\')) ) + { + 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.empty() && (*(m_path.end() - 1) == wxT(':')) ) + { + m_path += wxT('\\'); + } +} + +int wxDirDialog::ShowModal() +{ + wxWindow* const parent = GetParent(); + WXHWND hWndParent = parent ? GetHwndOf(parent) : NULL; + + // Use IFileDialog under new enough Windows, it's more user-friendly. + int rc; +#if wxUSE_IFILEDIALOG + if ( wxGetWinVersion() >= wxWinVersion_Vista ) + { + rc = ShowIFileDialog(hWndParent); + } + else + { + rc = wxID_NONE; + } + + if ( rc == wxID_NONE ) +#endif // wxUSE_IFILEDIALOG + { + rc = ShowSHBrowseForFolder(hWndParent); + } + // change current working directory if asked so + if ( rc == wxID_OK && HasFlag(wxDD_CHANGE_DIR) ) + wxSetWorkingDirectory(m_path); + + return rc; +} + +int wxDirDialog::ShowSHBrowseForFolder(WXHWND owner) +{ BROWSEINFO bi; - LPSTR lpBuffer; -// LPITEMIDLIST pidlPrograms; // PIDL for Programs folder - LPITEMIDLIST pidlBrowse; // PIDL selected by user - LPMALLOC pMalloc = NULL; + bi.hwndOwner = owner; + bi.pidlRoot = NULL; + bi.pszDisplayName = NULL; + // Please don't change this without checking it compiles + // with eVC++ first. +#if defined(__POCKETPC__) || defined(__SMARTPHONE__) + 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.wx_str(); // param for the callback + + static const int verComCtl32 = wxApp::GetComCtl32Version(); - HRESULT result = ::SHGetMalloc(&pMalloc); + // we always add the edit box (it doesn't hurt anybody, does it?) if it is + // supported by the system + if ( verComCtl32 >= 471 ) + { + bi.ulFlags |= BIF_EDITBOX; + } - if (result != NOERROR) - return wxID_CANCEL; - - // Allocate a buffer to receive browse information. - if ((lpBuffer = (LPSTR) pMalloc->Alloc(MAX_PATH)) == NULL) + // 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_DIR_MUST_EXIST); + if ( (needNewDir || HasFlag(wxRESIZE_BORDER)) && (verComCtl32 >= 500) ) { - pMalloc->Release(); + if (needNewDir) + { + bi.ulFlags |= BIF_NEWDIALOGSTYLE; + } + else + { + // Versions < 600 doesn't support BIF_NONEWFOLDERBUTTON + // The only way to get rid of the Make New Folder button is use + // the old dialog style which doesn't have the button thus we + // simply don't set the New Dialog Style for such comctl versions. + if (verComCtl32 >= 600) + { + bi.ulFlags |= BIF_NEWDIALOGSTYLE; + bi.ulFlags |= BIF_NONEWFOLDERBUTTON; + } + } + } + + // do show the dialog + wxItemIdList pidl(SHBrowseForFolder(&bi)); + + wxItemIdList::Free((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(); + m_path = pidl.GetPath(); + + return m_path.empty() ? wxID_CANCEL : wxID_OK; +} + +// Function for obtaining folder name on Vista and newer. +// +// Returns wxID_OK on success, wxID_CANCEL if cancelled by user or wxID_NONE if +// an error occurred and we should fall back onto the old dialog. +#if wxUSE_IFILEDIALOG + +int wxDirDialog::ShowIFileDialog(WXHWND owner) +{ + HRESULT hr; + wxCOMPtr fileDialog; + + hr = ::CoCreateInstance(CLSID_FileOpenDialog, NULL, CLSCTX_INPROC_SERVER, + wxIID_PPV_ARGS(IFileDialog, &fileDialog)); + if ( FAILED(hr) ) + { + wxLogApiError(wxS("CoCreateInstance(CLSID_FileOpenDialog)"), hr); + return wxID_NONE; + } + + // allow user to select only a file system folder + hr = fileDialog->SetOptions(FOS_PICKFOLDERS | FOS_FORCEFILESYSTEM); + if ( FAILED(hr) ) + { + wxLogApiError(wxS("IFileDialog::SetOptions"), hr); + return wxID_NONE; + } + + hr = fileDialog->SetTitle(m_message.wc_str()); + if ( FAILED(hr) ) + { + // This error is not serious, let's just log it and continue even + // without the title set. + wxLogApiError(wxS("IFileDialog::SetTitle"), hr); + } + + // set the initial path + if ( !m_path.empty() ) + { + // We need to link SHCreateItemFromParsingName() dynamically as it's + // not available on pre-Vista systems. + typedef HRESULT + (WINAPI *SHCreateItemFromParsingName_t)(PCWSTR, + IBindCtx*, + REFIID, + void**); + + SHCreateItemFromParsingName_t pfnSHCreateItemFromParsingName = NULL; + wxDynamicLibrary dllShell32; + if ( dllShell32.Load(wxS("shell32.dll"), wxDL_VERBATIM | wxDL_QUIET) ) + { + wxDL_INIT_FUNC(pfn, SHCreateItemFromParsingName, dllShell32); + } + + if ( !pfnSHCreateItemFromParsingName ) + { + wxLogLastError(wxS("SHCreateItemFromParsingName() not found")); + return wxID_NONE; + } + + wxCOMPtr folder; + hr = pfnSHCreateItemFromParsingName(m_path.wc_str(), + NULL, + wxIID_PPV_ARGS(IShellItem, + &folder)); + if ( FAILED(hr) ) + { + wxLogApiError(wxS("SHCreateItemFromParsingName"), hr); + return wxID_NONE; + } + + hr = fileDialog->SetFolder(folder); + if ( FAILED(hr) ) + { + wxLogApiError(wxS("IFileDialog::SetFolder"), hr); + return wxID_NONE; + } + } + + + wxString path; + + hr = fileDialog->Show(owner); + if ( SUCCEEDED(hr) ) + { + wxCOMPtr folder; + + hr = fileDialog->GetResult(&folder); + if ( SUCCEEDED(hr) ) + { + LPOLESTR pathOLE = NULL; + + hr = folder->GetDisplayName(SIGDN_FILESYSPATH, &pathOLE); + if ( SUCCEEDED(hr) ) + { + path = pathOLE; + CoTaskMemFree(pathOLE); + } + else + { + wxLogApiError(wxS("IShellItem::GetDisplayName"), hr); + } + } + else + { + wxLogApiError(wxS("IFileDialog::GetResult"), hr); + } + } + else if ( hr == HRESULT_FROM_WIN32(ERROR_CANCELLED) ) + { + return wxID_CANCEL; // the user cancelled the dialog + } + else + { + wxLogApiError(wxS("IFileDialog::Show"), hr); + } + + if ( path.empty() ) + { + // the user didn't cancel the dialog and yet the path is empty + // it means there was an error, already logged by wxLogApiError() + // now report the error to the user and return + wxLogSysError(_("Couldn't obtain folder name"), hr); return wxID_CANCEL; - } -*/ - - // Fill in the BROWSEINFO structure. - bi.hwndOwner = hWnd; - bi.pidlRoot = NULL; // pidlPrograms; - bi.pszDisplayName = lpBuffer; - bi.lpszTitle = m_message.mb_str(); // 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 + } + + m_path = path; + return wxID_OK; +} + +#endif // wxUSE_IFILEDIALOG + +// ---------------------------------------------------------------------------- +// private functions +// ---------------------------------------------------------------------------- + +static int CALLBACK +BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp, LPARAM pData) +{ + switch(uMsg) + { +#ifdef BFFM_SETSELECTION + 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; +#endif // BFFM_SETSELECTION + + + 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.wx_str()); + } + } + break; + + //case BFFM_VALIDATEFAILED: -- might be used to provide custom message + // if the user types in invalid dir name + } + + return 0; } +#endif // compiler/platform on which the code here compiles + +#endif // wxUSE_DIRDLG