// 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 wxUSE_DIRDLG
+
+#if defined(__WIN95__) && !defined(__GNUWIN32_OLD__) && wxUSE_OLE
+
#ifndef WX_PRECOMP
-#include <stdio.h>
-#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"
+
+#include <shlobj.h> // Win95 shell
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+#ifndef MAX_PATH
+ #define MAX_PATH 4096 // be generous
#endif
-#include "wx/msw/private.h"
-#include "wx/cmndata.h"
+#ifndef BIF_NEWDIALOGSTYLE
+ #define BIF_NEWDIALOGSTYLE 0x0040
+#endif
-#include <math.h>
-#include <stdlib.h>
-#include <string.h>
+#ifndef BIF_NONEWFOLDERBUTTON
+ #define BIF_NONEWFOLDERBUTTON 0x0200
+#endif
-#define wxDIALOG_DEFAULT_X 300
-#define wxDIALOG_DEFAULT_Y 300
+#ifndef BIF_EDITBOX
+ #define BIF_EDITBOX 16
+#endif
+
+// ----------------------------------------------------------------------------
+// wxWindows macros
+// ----------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
IMPLEMENT_CLASS(wxDirDialog, wxDialog)
-#endif
-wxDirDialog::wxDirDialog(wxWindow *parent, const wxString& message,
-// const wxString& caption,
- const wxString& defaultPath,
- long style, const wxPoint& pos)
+// ----------------------------------------------------------------------------
+// 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;
- LPSTR 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 = (LPSTR) pMalloc->Alloc(MAX_PATH)) == 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
+
+ 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();
- return wxID_CANCEL;
+ bi.ulFlags |= BIF_EDITBOX;
}
-/*
- // Get the PIDL for the Programs folder.
- if (!SUCCEEDED(SHGetSpecialFolderLocation(
- parent->GetSafeHwnd(), CSIDL_PROGRAMS, &pidlPrograms))) {
- pMalloc->Free(lpBuffer);
- pMalloc->Release();
- return wxID_CANCEL;
- }
-*/
-
- // Fill in the BROWSEINFO structure.
- wxWX2MBbuf message = m_message.mb_str();
- bi.hwndOwner = hWnd;
- bi.pidlRoot = NULL; // pidlPrograms;
- bi.pszDisplayName = lpBuffer;
- bi.lpszTitle = (const char*)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);
+ // 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
- id = wxID_CANCEL;
-
- // Clean up.
-// pMalloc->Free(pidlPrograms);
- pMalloc->Free(lpBuffer);
- pMalloc->Release();
-
- return id;
#else
- return wxID_CANCEL;
+ 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;
+ }
+
+ BOOL ok = SHGetPathFromIDList(pidl, wxStringBuffer(m_path, MAX_PATH));
+
+ ItemListFree(pidl);
+
+ if ( !ok )
+ {
+ wxLogLastError(wxT("SHGetPathFromIDList"));
+
+ 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
+ SendMessage(hwnd, BFFM_SETSELECTION, TRUE, pData);
+ 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
projects / wxWidgets.git / blobdiff