/////////////////////////////////////////////////////////////////////////////
-// 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 <stdio.h>
-#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__))||defined(wxUSE_NORLANDER_HEADERS)
-#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 <initguid.h>
+
+// 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
-#include <math.h>
-#include <stdlib.h>
-#include <string.h>
+#if wxUSE_IFILEDIALOG
+// IFileDialog related declarations missing from some compilers headers.
-#define wxDIALOG_DEFAULT_X 300
-#define wxDIALOG_DEFAULT_Y 300
+// IShellItem
+#ifndef __IShellItem_INTERFACE_DEFINED__
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_CLASS(wxDirDialog, wxDialog)
+#ifndef SIGDN_FILESYSPATH
+ #define SIGDN_FILESYSPATH 0x80058000
#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;
+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);
- default:
- break;
- }
- return 0;
- }
+struct IShellItemFilter;
+struct IFileDialogEvents;
+// IModalWindow
+#ifndef __IModalWindow_INTERFACE_DEFINED__
-wxDirDialog::wxDirDialog(wxWindow *parent, const wxString& message,
-// const wxString& caption,
- const wxString& defaultPath,
- long style, const wxPoint& pos)
+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
+
+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__))||defined(wxUSE_NORLANDER_HEADERS)
- 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;
- LPTSTR 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();
+
+ // 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;
+ }
+
+ // 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) )
+ {
+ 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));
- HRESULT result = ::SHGetMalloc(&pMalloc);
+ wxItemIdList::Free((LPITEMIDLIST)bi.pidlRoot);
- if (result != NOERROR)
- return wxID_CANCEL;
-
- // Allocate a buffer to receive browse information.
- if ((lpBuffer = (LPTSTR) pMalloc->Alloc(MAX_PATH)) == NULL)
+ 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();
+ 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<IFileDialog> 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<IShellItem> 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<IShellItem> 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; // 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
+ }
+
+ 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
projects / wxWidgets.git / blobdiff