c46c1fb868
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36388 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
540 lines
17 KiB
C++
540 lines
17 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: src/msw/filedlg.cpp
|
|
// Purpose: wxFileDialog
|
|
// Author: Julian Smart
|
|
// Modified by:
|
|
// Created: 01/02/97
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) Julian Smart
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
// ============================================================================
|
|
// declarations
|
|
// ============================================================================
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// headers
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// For compilers that support precompilation, includes "wx.h".
|
|
#include "wx/wxprec.h"
|
|
|
|
#ifdef __BORLANDC__
|
|
#pragma hdrstop
|
|
#endif
|
|
|
|
#if wxUSE_FILEDLG && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
|
|
|
|
#ifndef WX_PRECOMP
|
|
#include "wx/utils.h"
|
|
#include "wx/msgdlg.h"
|
|
#include "wx/filedlg.h"
|
|
#include "wx/filefn.h"
|
|
#include "wx/intl.h"
|
|
#include "wx/log.h"
|
|
#include "wx/app.h"
|
|
#endif
|
|
|
|
#include "wx/msw/wrapcdlg.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "wx/filename.h"
|
|
#include "wx/tokenzr.h"
|
|
#include "wx/math.h"
|
|
|
|
#include "wx/msw/missing.h"
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// constants
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#ifdef __WIN32__
|
|
# define wxMAXPATH 65534
|
|
#else
|
|
# define wxMAXPATH 1024
|
|
#endif
|
|
|
|
# define wxMAXFILE 1024
|
|
|
|
# define wxMAXEXT 5
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// globals
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// standard dialog size
|
|
static wxRect gs_rectDialog(0, 0, 428, 266);
|
|
|
|
// ============================================================================
|
|
// implementation
|
|
// ============================================================================
|
|
|
|
IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// hook function for moving the dialog
|
|
// ----------------------------------------------------------------------------
|
|
|
|
UINT_PTR APIENTRY
|
|
wxFileDialogHookFunction(HWND hDlg,
|
|
UINT iMsg,
|
|
WPARAM WXUNUSED(wParam),
|
|
LPARAM lParam)
|
|
{
|
|
HWND hwndDialog;
|
|
hwndDialog = ::GetParent( hDlg );
|
|
switch (iMsg)
|
|
{
|
|
case WM_DESTROY:
|
|
{
|
|
RECT dlgRect;
|
|
GetWindowRect( hwndDialog, & dlgRect );
|
|
gs_rectDialog.x = dlgRect.left;
|
|
gs_rectDialog.y = dlgRect.top;
|
|
gs_rectDialog.width = dlgRect.right - dlgRect.left;
|
|
gs_rectDialog.height = dlgRect.bottom - dlgRect.top;
|
|
}
|
|
break;
|
|
|
|
case WM_NOTIFY:
|
|
{
|
|
OFNOTIFY * pNotifyCode;
|
|
pNotifyCode = (LPOFNOTIFY) lParam;
|
|
if (CDN_INITDONE == (pNotifyCode->hdr).code)
|
|
{
|
|
SetWindowPos( hwndDialog, HWND_TOP,
|
|
gs_rectDialog.x,
|
|
gs_rectDialog.y,
|
|
gs_rectDialog.width,
|
|
gs_rectDialog.height,
|
|
SWP_NOZORDER|SWP_NOSIZE);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
// do the default processing
|
|
return 0;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxFileDialog
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxFileDialog::wxFileDialog(wxWindow *parent,
|
|
const wxString& message,
|
|
const wxString& defaultDir,
|
|
const wxString& defaultFileName,
|
|
const wxString& wildCard,
|
|
long style,
|
|
const wxPoint& pos)
|
|
: wxFileDialogBase(parent, message, defaultDir, defaultFileName,
|
|
wildCard, style, pos)
|
|
|
|
{
|
|
if ( ( m_dialogStyle & wxMULTIPLE ) && ( m_dialogStyle & wxSAVE ) )
|
|
m_dialogStyle &= ~wxMULTIPLE;
|
|
|
|
m_bMovedWindow = false;
|
|
|
|
// Must set to zero, otherwise the wx routines won't size the window
|
|
// the second time you call the file dialog, because it thinks it is
|
|
// already at the requested size.. (when centering)
|
|
gs_rectDialog.x =
|
|
gs_rectDialog.y = 0;
|
|
|
|
}
|
|
void wxFileDialog::GetPaths(wxArrayString& paths) const
|
|
{
|
|
paths.Empty();
|
|
|
|
wxString dir(m_dir);
|
|
if ( m_dir.Last() != _T('\\') )
|
|
dir += _T('\\');
|
|
|
|
size_t count = m_fileNames.GetCount();
|
|
for ( size_t n = 0; n < count; n++ )
|
|
{
|
|
if (wxFileName(m_fileNames[n]).IsAbsolute())
|
|
paths.Add(m_fileNames[n]);
|
|
else
|
|
paths.Add(dir + m_fileNames[n]);
|
|
}
|
|
}
|
|
|
|
void wxFileDialog::GetFilenames(wxArrayString& files) const
|
|
{
|
|
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
|
|
{
|
|
*x = gs_rectDialog.x;
|
|
*y = gs_rectDialog.y;
|
|
}
|
|
|
|
|
|
void wxFileDialog::DoGetSize(int *width, int *height) const
|
|
{
|
|
*width = gs_rectDialog.width;
|
|
*height = gs_rectDialog.height;
|
|
}
|
|
|
|
void wxFileDialog::DoMoveWindow(int x, int y, int WXUNUSED(width), int WXUNUSED(height))
|
|
{
|
|
m_bMovedWindow = true;
|
|
|
|
gs_rectDialog.x = x;
|
|
gs_rectDialog.y = y;
|
|
|
|
/*
|
|
The width and height can not be set by the programmer
|
|
its just not possible. But the program can get the
|
|
size of the Dlg after it has been shown, in case they need
|
|
that data.
|
|
*/
|
|
}
|
|
|
|
// helper used below in ShowModal(): style is used to determine whether to show
|
|
// the "Save file" dialog (if it contains wxSAVE bit) or "Open file" one;
|
|
// returns true on success or false on failure in which case err is filled with
|
|
// the CDERR_XXX constant
|
|
static bool DoShowCommFileDialog(OPENFILENAME *of, long style, DWORD *err)
|
|
{
|
|
if ( style & wxSAVE ? GetSaveFileName(of) : GetOpenFileName(of) )
|
|
return true;
|
|
|
|
if ( err )
|
|
{
|
|
#ifdef __WXWINCE__
|
|
// according to MSDN, CommDlgExtendedError() should work under CE as
|
|
// well but apparently in practice it doesn't (anybody has more
|
|
// details?)
|
|
*err = GetLastError();
|
|
#else
|
|
*err = CommDlgExtendedError();
|
|
#endif
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
int wxFileDialog::ShowModal()
|
|
{
|
|
HWND hWnd = 0;
|
|
if (m_parent) hWnd = (HWND) m_parent->GetHWND();
|
|
if (!hWnd && wxTheApp->GetTopWindow())
|
|
hWnd = (HWND) wxTheApp->GetTopWindow()->GetHWND();
|
|
|
|
static wxChar fileNameBuffer [ wxMAXPATH ]; // the file-name
|
|
wxChar titleBuffer [ wxMAXFILE+1+wxMAXEXT ]; // the file-name, without path
|
|
|
|
*fileNameBuffer = wxT('\0');
|
|
*titleBuffer = wxT('\0');
|
|
|
|
#if WXWIN_COMPATIBILITY_2_4
|
|
long msw_flags = 0;
|
|
if ( (m_dialogStyle & wxHIDE_READONLY) || (m_dialogStyle & wxSAVE) )
|
|
msw_flags |= OFN_HIDEREADONLY;
|
|
#else
|
|
long msw_flags = OFN_HIDEREADONLY;
|
|
#endif
|
|
|
|
if ( m_dialogStyle & wxFILE_MUST_EXIST )
|
|
msw_flags |= OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
|
|
/*
|
|
If the window has been moved the programmer is probably
|
|
trying to center or position it. Thus we set the callback
|
|
or hook function so that we can actually adjust the position.
|
|
Without moving or centering the dlg, it will just stay
|
|
in the upper left of the frame, it does not center
|
|
automatically.. One additional note, when the hook is
|
|
enabled, the PLACES BAR in the dlg (shown on later versions
|
|
of windows (2000 and XP) will automatically be turned off
|
|
according to the MSDN docs. This is normal. If the
|
|
programmer needs the PLACES BAR (left side of dlg) they
|
|
just shouldn't move or center the dlg.
|
|
*/
|
|
if (m_bMovedWindow) // we need these flags.
|
|
{
|
|
msw_flags |= OFN_EXPLORER|OFN_ENABLEHOOK;
|
|
#ifndef __WXWINCE__
|
|
msw_flags |= OFN_ENABLESIZING;
|
|
#endif
|
|
}
|
|
|
|
if (m_dialogStyle & wxMULTIPLE )
|
|
{
|
|
// OFN_EXPLORER must always be specified with OFN_ALLOWMULTISELECT
|
|
msw_flags |= OFN_EXPLORER | OFN_ALLOWMULTISELECT;
|
|
}
|
|
|
|
// if wxCHANGE_DIR flag is not given we shouldn't change the CWD which the
|
|
// standard dialog does by default (notice that under NT it does it anyhow,
|
|
// OFN_NOCHANGEDIR or not, see below)
|
|
if ( !(m_dialogStyle & wxCHANGE_DIR) )
|
|
{
|
|
msw_flags |= OFN_NOCHANGEDIR;
|
|
}
|
|
|
|
if ( m_dialogStyle & wxOVERWRITE_PROMPT )
|
|
{
|
|
msw_flags |= OFN_OVERWRITEPROMPT;
|
|
}
|
|
|
|
OPENFILENAME of;
|
|
wxZeroMemory(of);
|
|
|
|
// the OPENFILENAME struct has been extended in newer version of
|
|
// comcdlg32.dll, but as we don't use the extended fields anyhow, set
|
|
// the struct size to the old value - otherwise, the programs compiled
|
|
// with new headers will not work with the old libraries
|
|
#if !defined(__WXWINCE__) && defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0500)
|
|
of.lStructSize = sizeof(OPENFILENAME) -
|
|
(sizeof(void *) + 2*sizeof(DWORD));
|
|
#else // old headers
|
|
of.lStructSize = sizeof(OPENFILENAME);
|
|
#endif
|
|
|
|
of.hwndOwner = hWnd;
|
|
of.lpstrTitle = WXSTRINGCAST m_message;
|
|
of.lpstrFileTitle = titleBuffer;
|
|
of.nMaxFileTitle = wxMAXFILE + 1 + wxMAXEXT; // Windows 3.0 and 3.1
|
|
|
|
// 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
|
|
|
|
wxString dir;
|
|
size_t i, len = m_dir.length();
|
|
dir.reserve(len);
|
|
for ( i = 0; i < len; i++ )
|
|
{
|
|
wxChar ch = m_dir[i];
|
|
switch ( ch )
|
|
{
|
|
case _T('/'):
|
|
// convert to backslash
|
|
ch = _T('\\');
|
|
|
|
// fall through
|
|
|
|
case _T('\\'):
|
|
while ( i < len - 1 )
|
|
{
|
|
wxChar chNext = m_dir[i + 1];
|
|
if ( chNext != _T('\\') && chNext != _T('/') )
|
|
break;
|
|
|
|
// ignore the next one, unless it is at the start of a UNC path
|
|
if (i > 0)
|
|
i++;
|
|
else
|
|
break;
|
|
}
|
|
// fall through
|
|
|
|
default:
|
|
// normal char
|
|
dir += ch;
|
|
}
|
|
}
|
|
|
|
of.lpstrInitialDir = dir.c_str();
|
|
|
|
of.Flags = msw_flags;
|
|
of.lpfnHook = wxFileDialogHookFunction;
|
|
|
|
wxArrayString wildDescriptions, wildFilters;
|
|
|
|
size_t items = wxParseCommonDialogsFilter(m_wildCard, wildDescriptions, wildFilters);
|
|
|
|
wxASSERT_MSG( items > 0 , _T("empty wildcard list") );
|
|
|
|
wxString filterBuffer;
|
|
|
|
for (i = 0; i < items ; i++)
|
|
{
|
|
filterBuffer += wildDescriptions[i];
|
|
filterBuffer += wxT("|");
|
|
filterBuffer += wildFilters[i];
|
|
filterBuffer += wxT("|");
|
|
}
|
|
|
|
// Replace | with \0
|
|
for (i = 0; i < filterBuffer.Len(); i++ ) {
|
|
if ( filterBuffer.GetChar(i) == wxT('|') ) {
|
|
filterBuffer[i] = wxT('\0');
|
|
}
|
|
}
|
|
|
|
of.lpstrFilter = (LPTSTR)filterBuffer.c_str();
|
|
of.nFilterIndex = m_filterIndex + 1;
|
|
|
|
//=== Setting defaultFileName >>=========================================
|
|
|
|
wxStrncpy( fileNameBuffer, (const wxChar *)m_fileName, wxMAXPATH-1 );
|
|
fileNameBuffer[ wxMAXPATH-1 ] = wxT('\0');
|
|
|
|
of.lpstrFile = fileNameBuffer; // holds returned filename
|
|
of.nMaxFile = wxMAXPATH;
|
|
|
|
// we must set the default extension because otherwise Windows would check
|
|
// for the existing of a wrong file with wxOVERWRITE_PROMPT (i.e. if the
|
|
// user types "foo" and the default extension is ".bar" we should force it
|
|
// to check for "foo.bar" existence and not "foo")
|
|
wxString defextBuffer; // we need it to be alive until GetSaveFileName()!
|
|
if (m_dialogStyle & wxSAVE)
|
|
{
|
|
const wxChar* extension = filterBuffer;
|
|
int maxFilter = (int)(of.nFilterIndex*2L) - 1;
|
|
|
|
for( int i = 0; i < maxFilter; i++ ) // get extension
|
|
extension = extension + wxStrlen( extension ) + 1;
|
|
|
|
// use dummy name a to avoid assert in AppendExtension
|
|
defextBuffer = AppendExtension(wxT("a"), extension);
|
|
if (defextBuffer.StartsWith(wxT("a.")))
|
|
{
|
|
defextBuffer.Mid(2);
|
|
of.lpstrDefExt = defextBuffer.c_str();
|
|
}
|
|
}
|
|
|
|
// store off before the standard windows dialog can possibly change it
|
|
const wxString cwdOrig = wxGetCwd();
|
|
|
|
//== Execute FileDialog >>=================================================
|
|
|
|
DWORD errCode;
|
|
bool success = DoShowCommFileDialog(&of, m_dialogStyle, &errCode);
|
|
|
|
// sometimes we may have a mismatch between the headers used to compile the
|
|
// library and the run-time version of comdlg32.dll, try to account for it
|
|
#ifndef __WXWINCE__
|
|
if ( !success && errCode == CDERR_STRUCTSIZE )
|
|
{
|
|
// The struct size has changed so try a smaller or bigger size
|
|
const int oldStructSize = of.lStructSize;
|
|
of.lStructSize = oldStructSize - (sizeof(void *) + 2*sizeof(DWORD));
|
|
success = DoShowCommFileDialog(&of, m_dialogStyle, &errCode);
|
|
|
|
if ( !success && (errCode == CDERR_STRUCTSIZE) )
|
|
{
|
|
// try to adjust in the other direction
|
|
of.lStructSize = oldStructSize + (sizeof(void *) + 2*sizeof(DWORD));
|
|
success = DoShowCommFileDialog(&of, m_dialogStyle, &errCode);
|
|
}
|
|
}
|
|
#endif // !__WXWINCE__
|
|
|
|
if ( success )
|
|
{
|
|
// GetOpenFileName will always change the current working directory on
|
|
// (according to MSDN) "Windows NT 4.0/2000/XP" because the flag
|
|
// OFN_NOCHANGEDIR has no effect. If the user did not specify
|
|
// wxCHANGE_DIR let's restore the current working directory to what it
|
|
// was before the dialog was shown.
|
|
if ( msw_flags & OFN_NOCHANGEDIR )
|
|
{
|
|
wxSetWorkingDirectory(cwdOrig);
|
|
}
|
|
|
|
m_fileNames.Empty();
|
|
|
|
if ( ( m_dialogStyle & wxMULTIPLE ) &&
|
|
#if defined(OFN_EXPLORER)
|
|
( fileNameBuffer[of.nFileOffset-1] == wxT('\0') )
|
|
#else
|
|
( fileNameBuffer[of.nFileOffset-1] == wxT(' ') )
|
|
#endif // OFN_EXPLORER
|
|
)
|
|
{
|
|
#if defined(OFN_EXPLORER)
|
|
m_dir = fileNameBuffer;
|
|
i = of.nFileOffset;
|
|
m_fileName = &fileNameBuffer[i];
|
|
m_fileNames.Add(m_fileName);
|
|
i += m_fileName.Len() + 1;
|
|
|
|
while (fileNameBuffer[i] != wxT('\0'))
|
|
{
|
|
m_fileNames.Add(&fileNameBuffer[i]);
|
|
i += wxStrlen(&fileNameBuffer[i]) + 1;
|
|
}
|
|
#else
|
|
wxStringTokenizer toke(fileNameBuffer, _T(" \t\r\n"));
|
|
m_dir = toke.GetNextToken();
|
|
m_fileName = toke.GetNextToken();
|
|
m_fileNames.Add(m_fileName);
|
|
|
|
while (toke.HasMoreTokens())
|
|
m_fileNames.Add(toke.GetNextToken());
|
|
#endif // OFN_EXPLORER
|
|
|
|
wxString dir(m_dir);
|
|
if ( m_dir.Last() != _T('\\') )
|
|
dir += _T('\\');
|
|
|
|
m_path = dir + m_fileName;
|
|
m_filterIndex = (int)of.nFilterIndex - 1;
|
|
}
|
|
else
|
|
{
|
|
//=== Adding the correct extension >>=================================
|
|
|
|
m_filterIndex = (int)of.nFilterIndex - 1;
|
|
|
|
if ( !of.nFileExtension ||
|
|
(of.nFileExtension && fileNameBuffer[of.nFileExtension] == wxT('\0')) )
|
|
{
|
|
// User has typed a filename without an extension:
|
|
const wxChar* extension = filterBuffer;
|
|
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.Len(), wxMAXPATH-1));
|
|
fileNameBuffer[wxMin(m_fileName.Len(), wxMAXPATH-1)] = wxT('\0');
|
|
}
|
|
|
|
m_path = fileNameBuffer;
|
|
m_fileName = wxFileNameFromPath(fileNameBuffer);
|
|
m_fileNames.Add(m_fileName);
|
|
m_dir = wxPathOnly(fileNameBuffer);
|
|
}
|
|
}
|
|
#ifdef __WXDEBUG__
|
|
else
|
|
{
|
|
// common dialog failed - why?
|
|
if ( errCode != 0 )
|
|
{
|
|
// this msg is only for developers so don't translate it
|
|
wxLogError(wxT("Common dialog failed with error code %0lx."),
|
|
errCode);
|
|
}
|
|
//else: it was just cancelled
|
|
}
|
|
#endif // __WXDEBUG__
|
|
|
|
return success ? wxID_OK : wxID_CANCEL;
|
|
|
|
}
|
|
|
|
#endif // wxUSE_FILEDLG && !(__SMARTPHONE__ && __WXWINCE__)
|
|
|