41b8fe99b4
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28520 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
516 lines
16 KiB
C++
516 lines
16 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/msw/filedlg.cpp
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// Purpose: wxFileDialog
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "filedlg.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_FILEDLG && !defined(__SMARTPHONE__)
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#ifndef WX_PRECOMP
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#include "wx/utils.h"
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#include "wx/msgdlg.h"
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#include "wx/filedlg.h"
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#include "wx/filefn.h"
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#include "wx/intl.h"
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#include "wx/log.h"
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#include "wx/app.h"
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#endif
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#include "wx/msw/private.h"
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#if !defined(__WIN32__) || defined(__WXWINCE__)
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#include <commdlg.h>
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#endif
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include "wx/filename.h"
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#include "wx/tokenzr.h"
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#include "wx/msw/missing.h"
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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#ifdef __WIN32__
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# define wxMAXPATH 65534
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#else
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# define wxMAXPATH 1024
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#endif
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# define wxMAXFILE 1024
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# define wxMAXEXT 5
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// ----------------------------------------------------------------------------
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// globals
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// ----------------------------------------------------------------------------
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// standard dialog size
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static wxRect gs_rectDialog(0, 0, 428, 266);
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// ============================================================================
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// implementation
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// ============================================================================
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IMPLEMENT_CLASS(wxFileDialog, wxFileDialogBase)
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// ----------------------------------------------------------------------------
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// hook function for moving the dialog
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// ----------------------------------------------------------------------------
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UINT APIENTRY
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wxFileDialogHookFunction(HWND hDlg,
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UINT iMsg,
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WPARAM WXUNUSED(wParam),
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LPARAM lParam)
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{
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HWND hwndDialog;
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hwndDialog = ::GetParent( hDlg );
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switch (iMsg)
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{
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case WM_DESTROY:
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{
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RECT dlgRect;
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GetWindowRect( hwndDialog, & dlgRect );
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gs_rectDialog.x = dlgRect.left;
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gs_rectDialog.y = dlgRect.top;
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gs_rectDialog.width = dlgRect.right - dlgRect.left;
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gs_rectDialog.height = dlgRect.bottom - dlgRect.top;
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}
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break;
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case WM_NOTIFY:
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{
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OFNOTIFY * pNotifyCode;
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pNotifyCode = (LPOFNOTIFY) lParam;
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if (CDN_INITDONE == (pNotifyCode->hdr).code)
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{
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SetWindowPos( hwndDialog, HWND_TOP,
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gs_rectDialog.x,
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gs_rectDialog.y,
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gs_rectDialog.width,
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gs_rectDialog.height,
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SWP_NOZORDER|SWP_NOSIZE);
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}
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}
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break;
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}
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// do the default processing
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return 0;
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}
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// ----------------------------------------------------------------------------
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// wxFileDialog
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// ----------------------------------------------------------------------------
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wxFileDialog::wxFileDialog(wxWindow *parent,
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const wxString& message,
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const wxString& defaultDir,
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const wxString& defaultFileName,
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const wxString& wildCard,
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long style,
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const wxPoint& pos)
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: wxFileDialogBase(parent, message, defaultDir, defaultFileName,
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wildCard, style, pos)
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{
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if ( ( m_dialogStyle & wxMULTIPLE ) && ( m_dialogStyle & wxSAVE ) )
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m_dialogStyle &= ~wxMULTIPLE;
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m_bMovedWindow = false;
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// Must set to zero, otherwise the wx routines won't size the window
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// the second time you call the file dialog, because it thinks it is
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// already at the requested size.. (when centering)
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gs_rectDialog.x =
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gs_rectDialog.y = 0;
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}
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void wxFileDialog::GetPaths(wxArrayString& paths) const
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{
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paths.Empty();
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wxString dir(m_dir);
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if ( m_dir.Last() != _T('\\') )
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dir += _T('\\');
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size_t count = m_fileNames.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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if (wxFileName(m_fileNames[n]).IsAbsolute())
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paths.Add(m_fileNames[n]);
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else
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paths.Add(dir + m_fileNames[n]);
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}
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}
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void wxFileDialog::GetFilenames(wxArrayString& files) const
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{
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files = m_fileNames;
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}
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void wxFileDialog::SetPath(const wxString& path)
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{
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wxString ext;
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wxSplitPath(path, &m_dir, &m_fileName, &ext);
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if ( !ext.empty() )
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m_fileName << _T('.') << ext;
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}
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void wxFileDialog::DoGetPosition( int *x, int *y ) const
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{
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*x = gs_rectDialog.x;
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*y = gs_rectDialog.y;
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}
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void wxFileDialog::DoGetSize(int *width, int *height) const
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{
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*width = gs_rectDialog.width;
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*height = gs_rectDialog.height;
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}
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void wxFileDialog::DoMoveWindow(int x, int y, int WXUNUSED(width), int WXUNUSED(height))
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{
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m_bMovedWindow = true;
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gs_rectDialog.x = x;
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gs_rectDialog.y = y;
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/*
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The width and height can not be set by the programmer
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its just not possible. But the program can get the
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size of the Dlg after it has been shown, in case they need
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that data.
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*/
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}
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int wxFileDialog::ShowModal()
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{
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HWND hWnd = 0;
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if (m_parent) hWnd = (HWND) m_parent->GetHWND();
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if (!hWnd && wxTheApp->GetTopWindow())
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hWnd = (HWND) wxTheApp->GetTopWindow()->GetHWND();
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static wxChar fileNameBuffer [ wxMAXPATH ]; // the file-name
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wxChar titleBuffer [ wxMAXFILE+1+wxMAXEXT ]; // the file-name, without path
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*fileNameBuffer = wxT('\0');
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*titleBuffer = wxT('\0');
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#if WXWIN_COMPATIBILITY_2_4
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long msw_flags = 0;
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if ( (m_dialogStyle & wxHIDE_READONLY) || (m_dialogStyle & wxSAVE) )
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msw_flags |= OFN_HIDEREADONLY;
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#else
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long msw_flags = OFN_HIDEREADONLY;
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#endif
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if ( m_dialogStyle & wxFILE_MUST_EXIST )
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msw_flags |= OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
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/*
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If the window has been moved the programmer is probably
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trying to center or position it. Thus we set the callback
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or hook function so that we can actually adjust the position.
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Without moving or centering the dlg, it will just stay
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in the upper left of the frame, it does not center
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automatically.. One additional note, when the hook is
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enabled, the PLACES BAR in the dlg (shown on later versions
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of windows (2000 and XP) will automatically be turned off
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according to the MSDN docs. This is normal. If the
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programmer needs the PLACES BAR (left side of dlg) they
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just shouldn't move or center the dlg.
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*/
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if (m_bMovedWindow) // we need these flags.
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{
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msw_flags |= OFN_EXPLORER|OFN_ENABLEHOOK;
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#ifndef __WXWINCE__
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msw_flags |= OFN_ENABLESIZING;
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#endif
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}
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if (m_dialogStyle & wxMULTIPLE )
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{
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// OFN_EXPLORER must always be specified with OFN_ALLOWMULTISELECT
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msw_flags |= OFN_EXPLORER | OFN_ALLOWMULTISELECT;
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}
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// if wxCHANGE_DIR flag is not given we shouldn't change the CWD which the
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// standard dialog does by default
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if ( !(m_dialogStyle & wxCHANGE_DIR) )
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{
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msw_flags |= OFN_NOCHANGEDIR;
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}
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if ( m_dialogStyle & wxOVERWRITE_PROMPT )
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{
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msw_flags |= OFN_OVERWRITEPROMPT;
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}
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OPENFILENAME of;
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wxZeroMemory(of);
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// the OPENFILENAME struct has been extended in newer version of
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// comcdlg32.dll, but as we don't use the extended fields anyhow, set
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// the struct size to the old value - otherwise, the programs compiled
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// with new headers will not work with the old libraries
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#if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0500)
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of.lStructSize = sizeof(OPENFILENAME) -
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(sizeof(void *) + 2*sizeof(DWORD));
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#else // old headers
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of.lStructSize = sizeof(OPENFILENAME);
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#endif
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of.hwndOwner = hWnd;
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of.lpstrTitle = WXSTRINGCAST m_message;
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of.lpstrFileTitle = titleBuffer;
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of.nMaxFileTitle = wxMAXFILE + 1 + wxMAXEXT; // Windows 3.0 and 3.1
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// Convert forward slashes to backslashes (file selector doesn't like
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// forward slashes) and also squeeze multiple consecutive slashes into one
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// as it doesn't like two backslashes in a row neither
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wxString dir;
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size_t i, len = m_dir.length();
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dir.reserve(len);
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for ( i = 0; i < len; i++ )
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{
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wxChar ch = m_dir[i];
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switch ( ch )
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{
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case _T('/'):
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// convert to backslash
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ch = _T('\\');
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// fall through
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case _T('\\'):
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while ( i < len - 1 )
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{
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wxChar chNext = m_dir[i + 1];
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if ( chNext != _T('\\') && chNext != _T('/') )
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break;
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// ignore the next one, unless it is at the start of a UNC path
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if (i > 0)
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i++;
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else
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break;
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}
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// fall through
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default:
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// normal char
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dir += ch;
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}
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}
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of.lpstrInitialDir = dir.c_str();
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of.Flags = msw_flags;
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of.lpfnHook = wxFileDialogHookFunction;
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wxArrayString wildDescriptions, wildFilters;
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size_t items = wxParseCommonDialogsFilter(m_wildCard, wildDescriptions, wildFilters);
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wxASSERT_MSG( items > 0 , _T("empty wildcard list") );
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wxString filterBuffer;
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for (i = 0; i < items ; i++)
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{
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filterBuffer += wildDescriptions[i];
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filterBuffer += wxT("|");
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filterBuffer += wildFilters[i];
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filterBuffer += wxT("|");
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}
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// Replace | with \0
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for (i = 0; i < filterBuffer.Len(); i++ ) {
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if ( filterBuffer.GetChar(i) == wxT('|') ) {
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filterBuffer[i] = wxT('\0');
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}
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}
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of.lpstrFilter = (LPTSTR)filterBuffer.c_str();
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of.nFilterIndex = m_filterIndex + 1;
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//=== Setting defaultFileName >>=========================================
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wxStrncpy( fileNameBuffer, (const wxChar *)m_fileName, wxMAXPATH-1 );
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fileNameBuffer[ wxMAXPATH-1 ] = wxT('\0');
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of.lpstrFile = fileNameBuffer; // holds returned filename
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of.nMaxFile = wxMAXPATH;
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// we must set the default extension because otherwise Windows would check
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// for the existing of a wrong file with wxOVERWRITE_PROMPT (i.e. if the
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// user types "foo" and the default extension is ".bar" we should force it
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// to check for "foo.bar" existence and not "foo")
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wxString defextBuffer; // we need it to be alive until GetSaveFileName()!
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if (m_dialogStyle & wxSAVE)
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{
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const wxChar* extension = filterBuffer;
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int maxFilter = (int)(of.nFilterIndex*2L) - 1;
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for( int i = 0; i < maxFilter; i++ ) // get extension
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extension = extension + wxStrlen( extension ) + 1;
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// use dummy name a to avoid assert in AppendExtension
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defextBuffer = AppendExtension(wxT("a"), extension);
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if (defextBuffer.StartsWith(wxT("a.")))
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{
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defextBuffer.Mid(2);
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of.lpstrDefExt = defextBuffer.c_str();
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}
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}
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//== Execute FileDialog >>=================================================
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//== Execute FileDialog >>=================================================
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bool success = (m_dialogStyle & wxSAVE ? GetSaveFileName(&of)
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: GetOpenFileName(&of)) != 0;
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DWORD errCode = CommDlgExtendedError();
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#ifdef __WIN32__
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if (!success && (errCode == CDERR_STRUCTSIZE))
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{
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// The struct size has changed so try a smaller or bigger size
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int oldStructSize = of.lStructSize;
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of.lStructSize = oldStructSize - (sizeof(void *) + 2*sizeof(DWORD));
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success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0)
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: (GetOpenFileName(&of) != 0);
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errCode = CommDlgExtendedError();
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if (!success && (errCode == CDERR_STRUCTSIZE))
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{
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of.lStructSize = oldStructSize + (sizeof(void *) + 2*sizeof(DWORD));
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success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0)
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: (GetOpenFileName(&of) != 0);
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}
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}
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#endif // __WIN32__
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if ( success )
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{
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m_fileNames.Empty();
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if ( ( m_dialogStyle & wxMULTIPLE ) &&
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#if defined(OFN_EXPLORER)
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( fileNameBuffer[of.nFileOffset-1] == wxT('\0') )
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#else
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( fileNameBuffer[of.nFileOffset-1] == wxT(' ') )
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#endif // OFN_EXPLORER
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)
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{
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#if defined(OFN_EXPLORER)
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m_dir = fileNameBuffer;
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i = of.nFileOffset;
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m_fileName = &fileNameBuffer[i];
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m_fileNames.Add(m_fileName);
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i += m_fileName.Len() + 1;
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while (fileNameBuffer[i] != wxT('\0'))
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{
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m_fileNames.Add(&fileNameBuffer[i]);
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i += wxStrlen(&fileNameBuffer[i]) + 1;
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}
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#else
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wxStringTokenizer toke(fileNameBuffer, _T(" \t\r\n"));
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m_dir = toke.GetNextToken();
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m_fileName = toke.GetNextToken();
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m_fileNames.Add(m_fileName);
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while (toke.HasMoreTokens())
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m_fileNames.Add(toke.GetNextToken());
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#endif // OFN_EXPLORER
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wxString dir(m_dir);
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if ( m_dir.Last() != _T('\\') )
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dir += _T('\\');
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m_path = dir + m_fileName;
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m_filterIndex = (int)of.nFilterIndex - 1;
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}
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else
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{
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//=== Adding the correct extension >>=================================
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m_filterIndex = (int)of.nFilterIndex - 1;
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if ( !of.nFileExtension ||
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(of.nFileExtension && fileNameBuffer[of.nFileExtension] == wxT('\0')) )
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{
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// User has typed a filename without an extension:
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const wxChar* extension = filterBuffer;
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int maxFilter = (int)(of.nFilterIndex*2L) - 1;
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for( int i = 0; i < maxFilter; i++ ) // get extension
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extension = extension + wxStrlen( extension ) + 1;
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m_fileName = AppendExtension(fileNameBuffer, extension);
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wxStrncpy(fileNameBuffer, m_fileName.c_str(), wxMin(m_fileName.Len(), wxMAXPATH-1));
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fileNameBuffer[wxMin(m_fileName.Len(), wxMAXPATH-1)] = wxT('\0');
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}
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m_path = fileNameBuffer;
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m_fileName = wxFileNameFromPath(fileNameBuffer);
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m_fileNames.Add(m_fileName);
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m_dir = wxPathOnly(fileNameBuffer);
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}
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}
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else
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{
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// common dialog failed - why?
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#ifdef __WXDEBUG__
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DWORD dwErr = CommDlgExtendedError();
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if ( dwErr != 0 )
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{
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// this msg is only for developers
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wxLogError(wxT("Common dialog failed with error code %0lx."),
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dwErr);
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}
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//else: it was just cancelled
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#endif
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}
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return success ? wxID_OK : wxID_CANCEL;
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}
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#endif // wxUSE_FILEDLG
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