implement wxCairoContext::GetPartialTextExtents for wxGTK

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

diff --git a/src/msw/filedlg.cpp b/src/msw/filedlg.cpp
index ae89ed5c05eb056991ca228c97e798a7132e10d4..99f73218ac8d1a7fb6745a9c8b0513c02e7beec5 100644 (file)
--- a/src/msw/filedlg.cpp
+++ b/src/msw/filedlg.cpp
@@ -43,7 +43,9 @@
 #include <stdlib.h>
 #include <string.h>
 
 #include <stdlib.h>
 #include <string.h>
 

+#include "wx/dynlib.h"

 #include "wx/filename.h"
 #include "wx/filename.h"

+#include "wx/scopeguard.h"

 #include "wx/tokenzr.h"
 
 // ----------------------------------------------------------------------------
 #include "wx/tokenzr.h"
 
 // ----------------------------------------------------------------------------


@@ -65,7 +67,7 @@
 // ----------------------------------------------------------------------------
 
 // standard dialog size for the old Windows systems where the dialog wasn't
 // ----------------------------------------------------------------------------
 
 // standard dialog size for the old Windows systems where the dialog wasn't

-// resizeable
+// resizable

 static wxRect gs_rectDialog(0, 0, 428, 266);
 
 // ============================================================================
 static wxRect gs_rectDialog(0, 0, 428, 266);
 
 // ============================================================================


@@ -74,6 +76,78 @@ static wxRect gs_rectDialog(0, 0, 428, 266);
 
 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
 
 
 IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
 

+// ----------------------------------------------------------------------------
+
+namespace
+{
+
+#if wxUSE_DYNLIB_CLASS
+
+typedef BOOL (WINAPI *GetProcessUserModeExceptionPolicy_t)(LPDWORD);
+typedef BOOL (WINAPI *SetProcessUserModeExceptionPolicy_t)(DWORD);
+
+GetProcessUserModeExceptionPolicy_t gs_pfnGetProcessUserModeExceptionPolicy
+    = (GetProcessUserModeExceptionPolicy_t) -1;
+
+SetProcessUserModeExceptionPolicy_t gs_pfnSetProcessUserModeExceptionPolicy
+    = (SetProcessUserModeExceptionPolicy_t) -1;
+
+DWORD gs_oldExceptionPolicyFlags = 0;
+
+bool gs_changedPolicy = false;
+
+#endif // #if wxUSE_DYNLIB_CLASS
+
+/*
+Since Windows 7 by default (callback) exceptions aren't swallowed anymore
+with native x64 applications. Exceptions can occur in a file dialog when
+using the hook procedure in combination with third-party utilities.
+Since Windows 7 SP1 the swallowing of exceptions can be enabled again
+by using SetProcessUserModeExceptionPolicy.
+*/
+void ChangeExceptionPolicy()
+{
+#if wxUSE_DYNLIB_CLASS
+    gs_changedPolicy = false;
+
+    wxLoadedDLL dllKernel32(wxT("kernel32.dll"));
+
+    if ( gs_pfnGetProcessUserModeExceptionPolicy
+        == (GetProcessUserModeExceptionPolicy_t) -1)
+    {
+        wxDL_INIT_FUNC(gs_pfn, GetProcessUserModeExceptionPolicy, dllKernel32);
+        wxDL_INIT_FUNC(gs_pfn, SetProcessUserModeExceptionPolicy, dllKernel32);
+    }
+
+    if ( !gs_pfnGetProcessUserModeExceptionPolicy
+        || !gs_pfnSetProcessUserModeExceptionPolicy
+        || !gs_pfnGetProcessUserModeExceptionPolicy(&gs_oldExceptionPolicyFlags) )
+    {
+        return;
+    }
+
+    if ( gs_pfnSetProcessUserModeExceptionPolicy(gs_oldExceptionPolicyFlags
+        | 0x1 /* PROCESS_CALLBACK_FILTER_ENABLED */ ) )
+    {
+        gs_changedPolicy = true;
+    }
+
+#endif // wxUSE_DYNLIB_CLASS
+}
+
+void RestoreExceptionPolicy()
+{
+#if wxUSE_DYNLIB_CLASS
+    if (gs_changedPolicy)
+    {
+        gs_changedPolicy = false;
+        (void) gs_pfnSetProcessUserModeExceptionPolicy(gs_oldExceptionPolicyFlags);
+    }
+#endif // wxUSE_DYNLIB_CLASS
+}
+
+} // unnamed namespace
+

 // ----------------------------------------------------------------------------
 // hook function for moving the dialog
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // hook function for moving the dialog
 // ----------------------------------------------------------------------------


@@ -156,8 +230,8 @@ void wxFileDialog::GetPaths(wxArrayString& paths) const
     paths.Empty();
 
     wxString dir(m_dir);
     paths.Empty();
 
     wxString dir(m_dir);

-    if ( m_dir.Last() != _T('\\') )
-        dir += _T('\\');
+    if ( m_dir.empty() || m_dir.Last() != wxT('\\') )
+        dir += wxT('\\');

 
     size_t count = m_fileNames.GetCount();
     for ( size_t n = 0; n < count; n++ )
 
     size_t count = m_fileNames.GetCount();
     for ( size_t n = 0; n < count; n++ )


@@ -174,14 +248,6 @@ void wxFileDialog::GetFilenames(wxArrayString& files) const
     files = m_fileNames;
 }
 
     files = m_fileNames;
 }
 

-void wxFileDialog::SetPath(const wxString& path)
-{
-    wxString ext;
-    wxFileName::SplitPath(path, &m_dir, &m_fileName, &ext);
-    if ( !ext.empty() )
-        m_fileName << _T('.') << ext;
-}
-

 void wxFileDialog::DoGetPosition(int *x, int *y) const
 {
     if ( x )
 void wxFileDialog::DoGetPosition(int *x, int *y) const
 {
     if ( x )


@@ -233,7 +299,7 @@ void wxFileDialog::DoCentre(int dir)
 
 void wxFileDialog::MSWOnInitDone(WXHWND hDlg)
 {
 
 void wxFileDialog::MSWOnInitDone(WXHWND hDlg)
 {

-    // note the the dialog is the parent window: hDlg is a child of it when
+    // note the dialog is the parent window: hDlg is a child of it when

     // OFN_EXPLORER is used
     HWND hFileDlg = ::GetParent((HWND)hDlg);
 
     // OFN_EXPLORER is used
     HWND hFileDlg = ::GetParent((HWND)hDlg);
 


@@ -351,7 +417,7 @@ static bool ShowCommFileDialog(OPENFILENAME *of, long style)
     {
         // this can happen if the default file name is invalid, try without it
         // now
     {
         // this can happen if the default file name is invalid, try without it
         // now

-        of->lpstrFile[0] = _T('\0');
+        of->lpstrFile[0] = wxT('\0');

         success = DoShowCommFileDialog(of, style, &errCode);
     }
 
         success = DoShowCommFileDialog(of, style, &errCode);
     }
 


@@ -408,12 +474,15 @@ int wxFileDialog::ShowModal()
     */
     if (m_bMovedWindow || HasExtraControlCreator()) // we need these flags.
     {
     */
     if (m_bMovedWindow || HasExtraControlCreator()) // we need these flags.
     {

+        ChangeExceptionPolicy();

         msw_flags |= OFN_EXPLORER|OFN_ENABLEHOOK;
 #ifndef __WXWINCE__
         msw_flags |= OFN_ENABLESIZING;
 #endif
     }
 
         msw_flags |= OFN_EXPLORER|OFN_ENABLEHOOK;
 #ifndef __WXWINCE__
         msw_flags |= OFN_ENABLESIZING;
 #endif
     }
 

+    wxON_BLOCK_EXIT0(RestoreExceptionPolicy);
+

     if ( HasFdFlag(wxFD_MULTIPLE) )
     {
         // OFN_EXPLORER must always be specified with OFN_ALLOWMULTISELECT
     if ( HasFdFlag(wxFD_MULTIPLE) )
     {
         // OFN_EXPLORER must always be specified with OFN_ALLOWMULTISELECT


@@ -438,7 +507,7 @@ int wxFileDialog::ShowModal()
 
     of.lStructSize       = gs_ofStructSize;
     of.hwndOwner         = hWnd;
 
     of.lStructSize       = gs_ofStructSize;
     of.hwndOwner         = hWnd;

-    of.lpstrTitle        = m_message.wx_str();
+    of.lpstrTitle        = m_message.t_str();

     of.lpstrFileTitle    = titleBuffer;
     of.nMaxFileTitle     = wxMAXFILE + 1 + wxMAXEXT;
 
     of.lpstrFileTitle    = titleBuffer;
     of.nMaxFileTitle     = wxMAXFILE + 1 + wxMAXEXT;
 


@@ -459,12 +528,11 @@ int wxFileDialog::ShowModal()
         lpdt->x = 0;
         lpdt->y = 0;
 
         lpdt->x = 0;
         lpdt->y = 0;
 

-        wxSize extra_size = GetExtraControlSize();
-        // setting cx doesn't change the width of the dialog
-        lpdt->cx = extra_size.GetWidth();
-        // Dividing by 2 gives expected height on WinXP and Wine.
-        // I don't know why (MW).
-        lpdt->cy = extra_size.GetHeight() / 2;
+        // convert the size of the extra controls to the dialog units
+        const wxSize extraSize = GetExtraControlSize();
+        const LONG baseUnits = ::GetDialogBaseUnits();
+        lpdt->cx = ::MulDiv(extraSize.x, 4, LOWORD(baseUnits));
+        lpdt->cy = ::MulDiv(extraSize.y, 8, HIWORD(baseUnits));

 
         // after the DLGTEMPLATE there are 3 additional WORDs for dialog menu,
         // class and title, all three set to zeros.
 
         // after the DLGTEMPLATE there are 3 additional WORDs for dialog menu,
         // class and title, all three set to zeros.


@@ -485,17 +553,17 @@ int wxFileDialog::ShowModal()
         wxChar ch = m_dir[i];
         switch ( ch )
         {
         wxChar ch = m_dir[i];
         switch ( ch )
         {

-            case _T('/'):
+            case wxT('/'):

                 // convert to backslash
                 // convert to backslash

-                ch = _T('\\');
+                ch = wxT('\\');

 
                 // fall through
 
 
                 // fall through
 

-            case _T('\\'):
+            case wxT('\\'):

                 while ( i < len - 1 )
                 {
                     wxChar chNext = m_dir[i + 1];
                 while ( i < len - 1 )
                 {
                     wxChar chNext = m_dir[i + 1];

-                    if ( chNext != _T('\\') && chNext != _T('/') )
+                    if ( chNext != wxT('\\') && chNext != wxT('/') )

                         break;
 
                     // ignore the next one, unless it is at the start of a UNC path
                         break;
 
                     // ignore the next one, unless it is at the start of a UNC path


@@ -522,7 +590,7 @@ int wxFileDialog::ShowModal()
 
     size_t items = wxParseCommonDialogsFilter(m_wildCard, wildDescriptions, wildFilters);
 
 
     size_t items = wxParseCommonDialogsFilter(m_wildCard, wildDescriptions, wildFilters);
 

-    wxASSERT_MSG( items > 0 , _T("empty wildcard list") );
+    wxASSERT_MSG( items > 0 , wxT("empty wildcard list") );

 
     wxString filterBuffer;
 
 
     wxString filterBuffer;
 


@@ -541,7 +609,7 @@ int wxFileDialog::ShowModal()
         }
     }
 
         }
     }
 

-    of.lpstrFilter  = (LPTSTR)filterBuffer.wx_str();
+    of.lpstrFilter  = filterBuffer.t_str();

     of.nFilterIndex = m_filterIndex + 1;
 
     //=== Setting defaultFileName >>=========================================
     of.nFilterIndex = m_filterIndex + 1;
 
     //=== Setting defaultFileName >>=========================================


@@ -558,7 +626,7 @@ int wxFileDialog::ShowModal()
     wxString defextBuffer; // we need it to be alive until GetSaveFileName()!
     if (HasFdFlag(wxFD_SAVE))
     {
     wxString defextBuffer; // we need it to be alive until GetSaveFileName()!
     if (HasFdFlag(wxFD_SAVE))
     {

-        const wxChar* extension = filterBuffer.wx_str();
+        const wxChar* extension = filterBuffer.t_str();

         int maxFilter = (int)(of.nFilterIndex*2L) - 1;
 
         for( int i = 0; i < maxFilter; i++ )           // get extension
         int maxFilter = (int)(of.nFilterIndex*2L) - 1;
 
         for( int i = 0; i < maxFilter; i++ )           // get extension


@@ -614,7 +682,7 @@ int wxFileDialog::ShowModal()
             i += wxStrlen(&fileNameBuffer[i]) + 1;
         }
 #else
             i += wxStrlen(&fileNameBuffer[i]) + 1;
         }
 #else

-        wxStringTokenizer toke(fileNameBuffer, _T(" \t\r\n"));
+        wxStringTokenizer toke(fileNameBuffer, wxT(" \t\r\n"));

         m_dir = toke.GetNextToken();
         m_fileName = toke.GetNextToken();
         m_fileNames.Add(m_fileName);
         m_dir = toke.GetNextToken();
         m_fileName = toke.GetNextToken();
         m_fileNames.Add(m_fileName);


@@ -624,8 +692,8 @@ int wxFileDialog::ShowModal()
 #endif // OFN_EXPLORER
 
         wxString dir(m_dir);
 #endif // OFN_EXPLORER
 
         wxString dir(m_dir);

-        if ( m_dir.Last() != _T('\\') )
-            dir += _T('\\');
+        if ( m_dir.Last() != wxT('\\') )
+            dir += wxT('\\');

 
         m_path = dir + m_fileName;
         m_filterIndex = (int)of.nFilterIndex - 1;
 
         m_path = dir + m_fileName;
         m_filterIndex = (int)of.nFilterIndex - 1;


@@ -640,7 +708,7 @@ int wxFileDialog::ShowModal()
              (of.nFileExtension && fileNameBuffer[of.nFileExtension] == wxT('\0')) )
         {
             // User has typed a filename without an extension:
              (of.nFileExtension && fileNameBuffer[of.nFileExtension] == wxT('\0')) )
         {
             // User has typed a filename without an extension:

-            const wxChar* extension = filterBuffer.wx_str();
+            const wxChar* extension = filterBuffer.t_str();

             int   maxFilter = (int)(of.nFilterIndex*2L) - 1;
 
             for( int i = 0; i < maxFilter; i++ )           // get extension
             int   maxFilter = (int)(of.nFilterIndex*2L) - 1;
 
             for( int i = 0; i < maxFilter; i++ )           // get extension