use a linked list instead of array for saved messages to fix problems when Dispatch...

[wxWidgets.git] / src / msw / dirdlg.cpp

diff --git a/src/msw/dirdlg.cpp b/src/msw/dirdlg.cpp
index 7f76a6c7cd32c23a352c8495b1504b494390931a..f01131140705d4b517aa9271746fcac28f294efb 100644 (file)
--- a/src/msw/dirdlg.cpp
+++ b/src/msw/dirdlg.cpp
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
+// Copyright:   (c) Julian Smart

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 


@@ -16,7 +16,8 @@
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------

-#ifdef __GNUG__
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "dirdlg.h"
 #endif
 
     #pragma implementation "dirdlg.h"
 #endif
 


@@ -27,50 +28,52 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if wxUSE_DIRDLG && (!defined(__WXWINCE__) || defined(__HANDHELDPC__))
+
+#if defined(__WIN95__) && !defined(__GNUWIN32_OLD__) && wxUSE_OLE
+

 #ifndef WX_PRECOMP
     #include "wx/utils.h"
     #include "wx/dialog.h"
     #include "wx/dirdlg.h"
     #include "wx/log.h"
 #ifndef WX_PRECOMP
     #include "wx/utils.h"
     #include "wx/dialog.h"
     #include "wx/dirdlg.h"
     #include "wx/log.h"

+    #include "wx/app.h"     // for GetComCtl32Version()

 #endif
 
 #include "wx/msw/private.h"
 #endif
 
 #include "wx/msw/private.h"

-
-#if defined(__WIN95__) && \
-    (!defined(__GNUWIN32__) || defined(wxUSE_NORLANDER_HEADERS))
-    #define CAN_COMPILE_DIRDLG
-//#else: we provide a stub version which doesn't do anything
-#endif
-
-#ifdef CAN_COMPILE_DIRDLG
-    #include "shlobj.h" // Win95 shell
-#endif
+#include "wx/msw/wrapshl.h"

 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 

-#ifndef MAX_PATH
-    #define MAX_PATH 4096      // be generuous
+#ifndef BIF_NEWDIALOGSTYLE
+    #define BIF_NEWDIALOGSTYLE 0x0040
+#endif
+
+#ifndef BIF_NONEWFOLDERBUTTON
+    #define BIF_NONEWFOLDERBUTTON  0x0200
+#endif
+
+#ifndef BIF_EDITBOX
+    #define BIF_EDITBOX 16

 #endif
 
 // ----------------------------------------------------------------------------
 #endif
 
 // ----------------------------------------------------------------------------

-// wxWindows macros
+// wxWidgets macros

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-    IMPLEMENT_CLASS(wxDirDialog, wxDialog)
+IMPLEMENT_CLASS(wxDirDialog, wxDialog)

 
 // ----------------------------------------------------------------------------
 // private functions prototypes
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // 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);
 
 // the callback proc for the dir dlg
 static int CALLBACK BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp,
                                        LPARAM pData);
 

+

 // ============================================================================
 // implementation
 // ============================================================================
 // ============================================================================
 // implementation
 // ============================================================================


@@ -82,55 +85,107 @@ static int CALLBACK BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp,
 wxDirDialog::wxDirDialog(wxWindow *parent,
                          const wxString& message,
                          const wxString& defaultPath,
 wxDirDialog::wxDirDialog(wxWindow *parent,
                          const wxString& message,
                          const wxString& defaultPath,

-                         long WXUNUSED(style),
-                         const wxPoint& WXUNUSED(pos))
+                         long style,
+                         const wxPoint& WXUNUSED(pos),
+                         const wxSize& WXUNUSED(size),
+                         const wxString& WXUNUSED(name))

 {
     m_message = message;
     m_parent = parent;
 {
     m_message = message;
     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()
 {
 }
 
 int wxDirDialog::ShowModal()
 {

-#ifdef CAN_COMPILE_DIRDLG
+    wxWindow *parent = GetParent();
+

     BROWSEINFO bi;
     BROWSEINFO bi;

-    bi.hwndOwner      = m_parent ? GetHwndOf(m_parent) : NULL;
+    bi.hwndOwner      = parent ? GetHwndOf(parent) : NULL;

     bi.pidlRoot       = NULL;
     bi.pszDisplayName = NULL;
     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();
     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
 
     bi.ulFlags        = BIF_RETURNONLYFSDIRS | BIF_STATUSTEXT;
     bi.lpfn           = BrowseCallbackProc;
     bi.lParam         = (LPARAM)m_path.c_str();    // param for the callback
 

-    LPITEMIDLIST pidl = SHBrowseForFolder(&bi);
+    static const int verComCtl32 = wxApp::GetComCtl32Version();

 
 

-    if ( bi.pidlRoot )
+    // we always add the edit box (it doesn't hurt anybody, does it?) if it is
+    // supported by the system
+    if ( verComCtl32 >= 471 )

     {
     {

-        ItemListFree((LPITEMIDLIST)bi.pidlRoot);
+        bi.ulFlags |= BIF_EDITBOX;

     }
 
     }
 

-    if ( !pidl )
+    // 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) )

     {
     {

-        // Cancel button pressed
-        return wxID_CANCEL;
+        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;
+            }
+        }

     }
 
     }
 

-    BOOL ok = SHGetPathFromIDList(pidl, m_path.GetWriteBuf(MAX_PATH));
-    m_path.UngetWriteBuf();
+    // do show the dialog
+    wxItemIdList pidl(SHBrowseForFolder(&bi));

 
 

-    ItemListFree(pidl);
+    wxItemIdList::Free((LPITEMIDLIST)bi.pidlRoot);

 
 

-    if ( !ok )
+    if ( !pidl )

     {
     {

-        wxLogLastError("SHGetPathFromIDList");
-
+        // Cancel button pressed

         return wxID_CANCEL;
     }
 
         return wxID_CANCEL;
     }
 

-    return wxID_OK;
-#else // !CAN_COMPILE_DIRDLG
-    return wxID_CANCEL;
-#endif // CAN_COMPILE_DIRDLG/!CAN_COMPILE_DIRDLG
+    m_path = pidl.GetPath();
+
+    return m_path.empty() ? wxID_CANCEL : wxID_OK;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -142,21 +197,42 @@ BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp, LPARAM pData)
 {
     switch(uMsg)
     {
 {
     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
         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);
+            ::SendMessage(hwnd, BFFM_SETSELECTION, TRUE, pData);

             break;
             break;

+#endif // BFFM_SETSELECTION
+

 
         case BFFM_SELCHANGED:
 
         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.
             {
                 // Set the status window to the currently selected path.

-                TCHAR szDir[MAX_PATH];
-                if ( SHGetPathFromIDList((LPITEMIDLIST)lp, szDir) )
+                wxString strDir;
+                if ( SHGetPathFromIDList((LPITEMIDLIST)lp,
+                                         wxStringBuffer(strDir, MAX_PATH)) )

                 {
                 {

-                    SendMessage(hwnd, BFFM_SETSTATUSTEXT, 0, (LPARAM)szDir);
+                    // 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;
                 }
             }
             break;


@@ -169,21 +245,8 @@ BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp, LPARAM pData)
 }
 
 
 }
 
 

-static void ItemListFree(LPITEMIDLIST pidl)
-{
-    if ( pidl )
-    {
-        LPMALLOC pMalloc;
-        SHGetMalloc(&pMalloc);
-        if ( pMalloc )
-        {
-            pMalloc->Free(pidl);
-            pMalloc->Release();
-        }
-        else
-        {
-            wxLogLastError("SHGetMalloc");
-        }
-    }
-}
+#else
+    #include "../generic/dirdlgg.cpp"
+#endif // compiler/platform on which the code here compiles

 
 

+#endif // wxUSE_DIRDLG && !(__SMARTPHONE__ && __WXWINCE__)