// 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__)
+
#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"
#endif
-#if defined(__WIN95__) && !defined(__GNUWIN32__)
+#include "wx/msw/private.h"
+
#include "shlobj.h" // Win95 shell
-#endif
-#include "wx/msw/private.h"
-#include "wx/cmndata.h"
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
-#include <math.h>
-#include <stdlib.h>
-#include <string.h>
+#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
-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 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__)
- HWND hWnd = 0;
- if (m_parent) hWnd = (HWND) m_parent->GetHWND();
-
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 = 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 )
+ {
+ ItemListFree((LPITEMIDLIST)bi.pidlRoot);
+ }
+
+ 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();
+ 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.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
+
+ 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
+
+#endif // wxUSE_DIRDLG
projects / wxWidgets.git / blobdiff