If zero time is specified, don't try to sleep when using a timer.

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

diff --git a/src/msw/dirdlg.cpp b/src/msw/dirdlg.cpp
index 156dfaa4d40426ebebf9b59ca4cec0686bc63f5f..9d79a398f1a40802869ddc91c91c2c317c9274eb 100644 (file)
--- a/src/msw/dirdlg.cpp
+++ b/src/msw/dirdlg.cpp
@@ -16,6 +16,7 @@
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------

+

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


@@ -27,40 +28,47 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if wxUSE_DIRDLG
+
+#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 <shlobj.h> // Win95 shell

 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 #ifndef MAX_PATH
 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 #ifndef MAX_PATH

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

 #endif
 
 // ----------------------------------------------------------------------------
 // wxWindows macros
 // ----------------------------------------------------------------------------
 
 #endif
 
 // ----------------------------------------------------------------------------
 // wxWindows macros
 // ----------------------------------------------------------------------------
 

-#if !USE_SHARED_LIBRARY
-    IMPLEMENT_CLASS(wxDirDialog, wxDialog)
-#endif
+IMPLEMENT_CLASS(wxDirDialog, wxDialog)

 
 // ----------------------------------------------------------------------------
 // private functions prototypes
 
 // ----------------------------------------------------------------------------
 // private functions prototypes


@@ -73,6 +81,7 @@ static void ItemListFree(LPITEMIDLIST pidl);
 static int CALLBACK BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp,
                                        LPARAM pData);
 
 static int CALLBACK BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp,
                                        LPARAM pData);
 

+

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


@@ -84,19 +93,46 @@ 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.lpszTitle      = m_message.c_str();
     bi.pidlRoot       = NULL;
     bi.pszDisplayName = NULL;
     bi.lpszTitle      = m_message.c_str();


@@ -104,6 +140,42 @@ int wxDirDialog::ShowModal()
     bi.lpfn           = BrowseCallbackProc;
     bi.lParam         = (LPARAM)m_path.c_str();    // param for the callback
 
     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 )
+    {
+        bi.ulFlags |= BIF_EDITBOX;
+    }
+
+    // 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
+    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 )
     LPITEMIDLIST pidl = SHBrowseForFolder(&bi);
 
     if ( bi.pidlRoot )


@@ -117,22 +189,18 @@ int wxDirDialog::ShowModal()
         return wxID_CANCEL;
     }
 
         return wxID_CANCEL;
     }
 

-    BOOL ok = SHGetPathFromIDList(pidl, m_path.GetWriteBuf(MAX_PATH));
-    m_path.UngetWriteBuf();
+    BOOL ok = SHGetPathFromIDList(pidl, wxStringBuffer(m_path, MAX_PATH));

 
     ItemListFree(pidl);
 
     if ( !ok )
     {
 
     ItemListFree(pidl);
 
     if ( !ok )
     {

-        wxLogLastError("SHGetPathFromIDList");
+        wxLogLastError(wxT("SHGetPathFromIDList"));

 
         return wxID_CANCEL;
     }
 
     return wxID_OK;
 
         return wxID_CANCEL;
     }
 
     return wxID_OK;

-#else // !CAN_COMPILE_DIRDLG
-    return wxID_CANCEL;
-#endif // CAN_COMPILE_DIRDLG/!CAN_COMPILE_DIRDLG

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


@@ -153,12 +221,30 @@ BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp, LPARAM pData)
             break;
 
         case BFFM_SELCHANGED:
             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.
             {
                 // 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;


@@ -184,8 +270,13 @@ static void ItemListFree(LPITEMIDLIST pidl)
         }
         else
         {
         }
         else
         {

-            wxLogLastError("SHGetMalloc");
+            wxLogLastError(wxT("SHGetMalloc"));

         }
     }
 }
 
         }
     }
 }
 

+#else
+    #include "../generic/dirdlgg.cpp"
+#endif // compiler/platform on which the code here compiles
+
+#endif // wxUSE_DIRDLG