disable workaround for lack of alpha support in native static bitmap control for...

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

diff --git a/src/msw/dirdlg.cpp b/src/msw/dirdlg.cpp
index 00f01d719f31f4caaa695f32bf0caad75164365f..d483be374e00edcdd159d796c18e11ae1568160d 100644 (file)
--- a/src/msw/dirdlg.cpp
+++ b/src/msw/dirdlg.cpp
@@ -1,11 +1,11 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        dirdlg.cpp
+// Name:        src/msw/dirdlg.cpp

 // Purpose:     wxDirDialog
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Purpose:     wxDirDialog
 // Author:      Julian Smart
 // 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
 /////////////////////////////////////////////////////////////////////////////
 


@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation "dirdlg.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -30,30 +26,39 @@
 
 #if wxUSE_DIRDLG
 
 
 #if wxUSE_DIRDLG
 

-#if defined(__WIN95__) && !defined(__GNUWIN32_OLD__) && wxUSE_OLE
+#if wxUSE_OLE && !defined(__GNUWIN32_OLD__) && (!defined(__WXWINCE__) || \
+    (defined(__HANDHELDPC__) && (_WIN32_WCE >= 500)))
+
+#include "wx/dirdlg.h"

 
 #ifndef WX_PRECOMP
     #include "wx/utils.h"
     #include "wx/dialog.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"
     #include "wx/log.h"
     #include "wx/app.h"     // for GetComCtl32Version()
 #endif
 
 #include "wx/msw/private.h"

-
-#include <shlobj.h> // Win95 shell
+#include "wx/msw/wrapshl.h"

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

-#ifndef MAX_PATH
-    #define MAX_PATH 4096      // be generous
+#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)


@@ -62,9 +67,6 @@ 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);


@@ -89,7 +91,7 @@ wxDirDialog::wxDirDialog(wxWindow *parent,
     m_message = message;
     m_parent = parent;
 
     m_message = message;
     m_parent = parent;
 

-    SetStyle(style);
+    SetWindowStyle(style);

     SetPath(defaultPath);
 }
 
     SetPath(defaultPath);
 }
 


@@ -115,10 +117,6 @@ void wxDirDialog::SetPath(const wxString& path)
     }
 }
 
     }
 }
 

-#ifndef BIF_NEWDIALOGSTYLE
-#define BIF_NEWDIALOGSTYLE 0x0040
-#endif
-

 int wxDirDialog::ShowModal()
 {
     wxWindow *parent = GetParent();
 int wxDirDialog::ShowModal()
 {
     wxWindow *parent = GetParent();


@@ -127,43 +125,69 @@ int wxDirDialog::ShowModal()
     bi.hwndOwner      = parent ? GetHwndOf(parent) : NULL;
     bi.pidlRoot       = NULL;
     bi.pszDisplayName = NULL;
     bi.hwndOwner      = parent ? GetHwndOf(parent) : 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.ulFlags        = BIF_RETURNONLYFSDIRS | BIF_STATUSTEXT;
     bi.lpfn           = BrowseCallbackProc;

-    bi.lParam         = (LPARAM)m_path.c_str();    // param for the callback
+    bi.lParam         = (LPARAM)m_path.wx_str(); // param for the callback

 
 

-    if ((GetStyle() & wxDD_NEW_DIR_BUTTON) &&
-        (wxApp::GetComCtl32Version() >= 500))
+    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_NEWDIALOGSTYLE;
+        bi.ulFlags |= BIF_EDITBOX;

     }
 
     }
 

-    LPITEMIDLIST pidl = SHBrowseForFolder(&bi);
-
-    if ( bi.pidlRoot )
+    // 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) )

     {
     {

-        ItemListFree((LPITEMIDLIST)bi.pidlRoot);
+        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;
     }
 
     if ( !pidl )
     {
         // Cancel button pressed
         return wxID_CANCEL;
     }
 

-    BOOL ok = SHGetPathFromIDList(pidl, m_path.GetWriteBuf(MAX_PATH));
-    m_path.UngetWriteBuf();
-
-    ItemListFree(pidl);
-
-    if ( !ok )
-    {
-        wxLogLastError(wxT("SHGetPathFromIDList"));
+    m_path = pidl.GetPath();

 
 

-        return wxID_CANCEL;
-    }
+    // change current working directory if asked so
+    if (HasFlag(wxDD_CHANGE_DIR))
+        wxSetWorkingDirectory(m_path);

 
 

-    return wxID_OK;
+    return m_path.empty() ? wxID_CANCEL : wxID_OK;

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


@@ -175,28 +199,42 @@ 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)) )

                 {
                 {

-                    wxString strDir(szDir);
-                    int maxChars = 40; // Have to truncate string else it displays incorrectly
-                    if (strDir.Len() > (size_t) (maxChars - 3))
+                    // 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 - 3);
+                        strDir = strDir.Right(maxChars);

                         strDir = wxString(wxT("...")) + strDir;
                     }
                         strDir = wxString(wxT("...")) + strDir;
                     }

-                    SendMessage(hwnd, BFFM_SETSTATUSTEXT, 0, (LPARAM) (const wxChar*) strDir);
+
+                    SendMessage(hwnd, BFFM_SETSTATUSTEXT,
+                                0, (LPARAM)strDir.wx_str());

                 }
             }
             break;
                 }
             }
             break;


@@ -208,27 +246,6 @@ BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp, LPARAM pData)
     return 0;
 }
 
     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
 #endif // compiler/platform on which the code here compiles
 
 #endif // wxUSE_DIRDLG