// Author: Julian Smart
// Modified by:
// Created: 01/02/97
-// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include <stdlib.h>
#include <string.h>
+#include "wx/dynlib.h"
#include "wx/filename.h"
+#include "wx/scopeguard.h"
#include "wx/tokenzr.h"
+#include "wx/modalhook.h"
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// standard dialog size for the old Windows systems where the dialog wasn't
-// resizeable
+// resizable
static wxRect gs_rectDialog(0, 0, 428, 266);
// ============================================================================
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
// ----------------------------------------------------------------------------
{
switch ( iMsg )
{
+#ifndef __WXWINCE__
+ case WM_INITDIALOG:
+ {
+ OPENFILENAME* ofn = reinterpret_cast<OPENFILENAME *>(lParam);
+ reinterpret_cast<wxFileDialog *>(ofn->lCustData)
+ ->MSWOnInitDialogHook((WXHWND)hDlg);
+ }
+ break;
+#endif // __WXWINCE__
+
case WM_NOTIFY:
{
- OFNOTIFY *pNotifyCode = reinterpret_cast<OFNOTIFY *>(lParam);
- if ( pNotifyCode->hdr.code == CDN_INITDONE )
+ OFNOTIFY* const
+ pNotifyCode = reinterpret_cast<OFNOTIFY *>(lParam);
+ wxFileDialog* const
+ dialog = reinterpret_cast<wxFileDialog *>(
+ pNotifyCode->lpOFN->lCustData
+ );
+
+ switch ( pNotifyCode->hdr.code )
{
- reinterpret_cast<wxFileDialog *>(
- pNotifyCode->lpOFN->lCustData)
- ->MSWOnInitDone((WXHWND)hDlg);
- }
+ case CDN_INITDONE:
+ dialog->MSWOnInitDone((WXHWND)hDlg);
+ break;
+
+ case CDN_SELCHANGE:
+ dialog->MSWOnSelChange((WXHWND)hDlg);
+ break;
+ }
}
break;
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++ )
files = m_fileNames;
}
-void wxFileDialog::SetPath(const wxString& path)
-{
- wxString ext;
- wxSplitPath(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::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);
SetPosition(gs_rectDialog.GetPosition());
}
+ // Call selection change handler so that update handler will be
+ // called once with no selection.
+ MSWOnSelChange(hDlg);
+
// we shouldn't destroy this HWND
SetHWND(NULL);
}
+void wxFileDialog::MSWOnSelChange(WXHWND hDlg)
+{
+ TCHAR buf[MAX_PATH];
+ LRESULT len = SendMessage(::GetParent(hDlg), CDM_GETFILEPATH,
+ MAX_PATH, reinterpret_cast<LPARAM>(buf));
+
+ if ( len > 0 )
+ m_currentlySelectedFilename = buf;
+ else
+ m_currentlySelectedFilename.clear();
+
+ if ( m_extraControl )
+ m_extraControl->UpdateWindowUI(wxUPDATE_UI_RECURSE);
+}
+
// helper used below in ShowCommFileDialog(): style is used to determine
// whether to show the "Save file" dialog (if it contains wxFD_SAVE bit) or
// "Open file" one; returns true on success or false on failure in which case
{
// 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);
}
return true;
}
+#ifndef __WXWINCE__
+void wxFileDialog::MSWOnInitDialogHook(WXHWND hwnd)
+{
+ SetHWND(hwnd);
+
+ CreateExtraControl();
+
+ SetHWND(NULL);
+}
+#endif // __WXWINCE__
+
int wxFileDialog::ShowModal()
{
+ WX_HOOK_MODAL_DIALOG();
+
HWND hWnd = 0;
if (m_parent) hWnd = (HWND) m_parent->GetHWND();
if (!hWnd && wxTheApp->GetTopWindow())
in the upper left of the frame, it does not center
automatically.
*/
- if (m_bMovedWindow) // 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
}
+ wxON_BLOCK_EXIT0(RestoreExceptionPolicy);
+
if ( HasFdFlag(wxFD_MULTIPLE) )
{
// OFN_EXPLORER must always be specified with OFN_ALLOWMULTISELECT
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;
+#ifndef __WXWINCE__
+ GlobalPtr hgbl;
+ if ( HasExtraControlCreator() )
+ {
+ msw_flags |= OFN_ENABLETEMPLATEHANDLE;
+
+ hgbl.Init(256, GMEM_ZEROINIT);
+ GlobalPtrLock hgblLock(hgbl);
+ LPDLGTEMPLATE lpdt = static_cast<LPDLGTEMPLATE>(hgblLock.Get());
+
+ // Define a dialog box.
+
+ lpdt->style = DS_CONTROL | WS_CHILD | WS_CLIPSIBLINGS;
+ lpdt->cdit = 0; // Number of controls
+ lpdt->x = 0;
+ lpdt->y = 0;
+
+ // 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.
+
+ of.hInstance = (HINSTANCE)lpdt;
+ }
+#endif // __WXWINCE__
+
// Convert forward slashes to backslashes (file selector doesn't like
// forward slashes) and also squeeze multiple consecutive slashes into one
// as it doesn't like two backslashes in a row neither
wxChar ch = m_dir[i];
switch ( ch )
{
- case _T('/'):
+ case wxT('/'):
// convert to backslash
- ch = _T('\\');
+ ch = wxT('\\');
// fall through
- case _T('\\'):
+ case wxT('\\'):
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
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;
}
}
- of.lpstrFilter = (LPTSTR)filterBuffer.wx_str();
+ of.lpstrFilter = filterBuffer.t_str();
of.nFilterIndex = m_filterIndex + 1;
//=== Setting defaultFileName >>=========================================
- wxStrncpy(fileNameBuffer, m_fileName, wxMAXPATH-1);
- fileNameBuffer[ wxMAXPATH-1 ] = wxT('\0');
+ wxStrlcpy(fileNameBuffer, m_fileName.c_str(), WXSIZEOF(fileNameBuffer));
of.lpstrFile = fileNameBuffer; // holds returned filename
of.nMaxFile = wxMAXPATH;
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
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);
#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;
(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
extension = extension + wxStrlen( extension ) + 1;
m_fileName = AppendExtension(fileNameBuffer, extension);
- wxStrncpy(fileNameBuffer, m_fileName.c_str(), wxMin(m_fileName.length(), wxMAXPATH-1));
- fileNameBuffer[wxMin(m_fileName.length(), wxMAXPATH-1)] = wxT('\0');
+ wxStrlcpy(fileNameBuffer, m_fileName.c_str(), WXSIZEOF(fileNameBuffer));
}
m_path = fileNameBuffer;
projects / wxWidgets.git / blobdiff