src/gtk/filedlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        filedlg.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "filedlg.h"
  12 #endif
  13
  14 #include "wx/filedlg.h"
  15 #include "wx/utils.h"
  16 #include "wx/intl.h"
  17 #include "wx/generic/msgdlgg.h"
  18
  19 #include "gtk/gtk.h"
  20
  21 //-----------------------------------------------------------------------------
  22 // "delete_event"
  23 //-----------------------------------------------------------------------------
  24
  25 static
  26 bool gtk_filedialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
  27 {
  28 /*
  29     printf( "OnDelete from " );
  30     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  31         printf( win->GetClassInfo()->GetClassName() );
  32     printf( ".\n" );
  33 */
  34
  35     win->Close();
  36
  37     return TRUE;
  38 }
  39
  40 //-----------------------------------------------------------------------------
  41 // "clicked" for OK-button
  42 //-----------------------------------------------------------------------------
  43
  44 static
  45 void gtk_filedialog_ok_callback( GtkWidget *WXUNUSED(widget), wxFileDialog *dialog )
  46 {
  47     int style = dialog->GetStyle();
  48
  49     GtkFileSelection *filedlg = GTK_FILE_SELECTION(dialog->m_widget);
  50     char *filename = gtk_file_selection_get_filename(filedlg);
  51
  52     if ( (style & wxSAVE) && ( style & wxOVERWRITE_PROMPT ) )
  53     {
  54         if (wxFileExists( filename ))
  55         {
  56             wxString msg;
  57             msg.Printf( _("File '%s' already exists, do you really want to "
  58                          "overwrite it?"), filename);
  59
  60             if (wxMessageBox(msg, _("Confirm"), wxYES_NO) != wxYES)
  61                 return;
  62         }
  63     }
  64     else if ( (style & wxOPEN) && ( style & wxFILE_MUST_EXIST) )
  65     {
  66         if ( !wxFileExists( filename ) )
  67         {
  68             wxMessageBox(_("Please choose an existing file."), _("Error"), wxOK);
  69
  70             return;
  71         }
  72     }
  73
  74     dialog->SetPath( filename );
  75
  76     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  77     event.SetEventObject( dialog );
  78     dialog->GetEventHandler()->ProcessEvent( event );
  79 }
  80
  81 //-----------------------------------------------------------------------------
  82 // "clicked" for Cancel-button
  83 //-----------------------------------------------------------------------------
  84
  85 static
  86 void gtk_filedialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFileDialog *dialog )
  87 {
  88     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
  89     event.SetEventObject( dialog );
  90     dialog->GetEventHandler()->ProcessEvent( event );
  91 }
  92
  93 //-----------------------------------------------------------------------------
  94 // wxFileDialog
  95 //-----------------------------------------------------------------------------
  96
  97 IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxDialog)
  98
  99 wxFileDialog::wxFileDialog( wxWindow *parent, const wxString& message,
 100                             const wxString& defaultDir, const wxString& defaultFileName,
 101                             const wxString& wildCard,
 102                             long style, const wxPoint& pos )
 103 {
 104     m_needParent = FALSE;
 105
 106     PreCreation( parent, -1, pos, wxDefaultSize, style | wxDIALOG_MODAL, "filedialog" );
 107     m_message = message;
 108     m_path = _T("");
 109     m_fileName = defaultFileName;
 110     m_dir = defaultDir;
 111     m_wildCard = wildCard;
 112     m_dialogStyle = style;
 113     m_filterIndex = 1;
 114
 115     m_widget = gtk_file_selection_new( m_message.mbc_str() );
 116
 117     int x = (gdk_screen_width () - 400) / 2;
 118     int y = (gdk_screen_height () - 400) / 2;
 119     gtk_widget_set_uposition( m_widget, x, y );
 120
 121     GtkFileSelection *sel = GTK_FILE_SELECTION(m_widget);
 122     gtk_file_selection_hide_fileop_buttons( sel ); // they don't work anyway
 123
 124     m_path.Append(m_dir);
 125     if( ! m_path.IsEmpty() && m_path.Last()!=_T('/') )
 126         m_path.Append('/');
 127     m_path.Append(m_fileName);
 128
 129     if(m_path.Length()>1) gtk_file_selection_set_filename(sel,m_path.mbc_str());
 130
 131     gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
 132       GTK_SIGNAL_FUNC(gtk_filedialog_ok_callback), (gpointer*)this );
 133
 134     // strange way to internationalize
 135     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->ok_button)->child ), wxConv_current->cWX2MB(_("OK")) );
 136
 137     gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
 138       GTK_SIGNAL_FUNC(gtk_filedialog_cancel_callback), (gpointer*)this );
 139
 140     // strange way to internationalize
 141     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->cancel_button)->child ), wxConv_current->cWX2MB(_("Cancel")) );
 142
 143     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 144         GTK_SIGNAL_FUNC(gtk_filedialog_delete_callback), (gpointer)this );
 145 }
 146
 147 void wxFileDialog::SetPath(const wxString& path)
 148 {
 149     // not only set the full path but also update filename and dir
 150     m_path = path;
 151     if ( !!path )
 152     {
 153         wxString ext;
 154         wxSplitPath(path, &m_dir, &m_fileName, &ext);
 155         m_fileName += ext;
 156     }
 157 }
 158
 159 // ----------------------------------------------------------------------------
 160 // global functions
 161 // ----------------------------------------------------------------------------
 162
 163 wxString wxFileSelector( const wxChar *title,
 164                       const wxChar *defaultDir, const wxChar *defaultFileName,
 165                       const wxChar *defaultExtension, const wxChar *filter, int flags,
 166                       wxWindow *parent, int x, int y )
 167 {
 168     wxString filter2;
 169     if ( defaultExtension && !filter )
 170         filter2 = wxString(_T("*.")) + wxString(defaultExtension) ;
 171     else if ( filter )
 172         filter2 = filter;
 173
 174     wxString defaultDirString;
 175     if (defaultDir)
 176         defaultDirString = defaultDir;
 177
 178     wxString defaultFilenameString;
 179     if (defaultFileName)
 180         defaultFilenameString = defaultFileName;
 181
 182     wxFileDialog fileDialog( parent, title, defaultDirString, defaultFilenameString, filter2, flags, wxPoint(x, y) );
 183
 184     if ( fileDialog.ShowModal() == wxID_OK )
 185     {
 186         return fileDialog.GetPath();
 187     }
 188     else
 189     {
 190         return wxEmptyString;
 191     }
 192 }
 193
 194 wxString wxLoadFileSelector( const wxChar *what, const wxChar *extension, const wxChar *default_name, wxWindow *parent )
 195 {
 196     wxChar *ext = (wxChar *)extension;
 197
 198     wxChar prompt[50];
 199     wxString str = _("Load %s file");
 200     wxSprintf(prompt, str, what);
 201
 202     if (*ext == _T('.')) ext++;
 203     wxChar wild[60];
 204     wxSprintf(wild, _T("*.%s"), ext);
 205
 206     return wxFileSelector (prompt, (const wxChar *) NULL, default_name, ext, wild, 0, parent);
 207 }
 208
 209 wxString wxSaveFileSelector(const wxChar *what, const wxChar *extension, const wxChar *default_name,
 210          wxWindow *parent )
 211 {
 212     wxChar *ext = (wxChar *)extension;
 213
 214     wxChar prompt[50];
 215     wxString str = _("Save %s file");
 216     wxSprintf(prompt, str, what);
 217
 218     if (*ext == _T('.')) ext++;
 219     wxChar wild[60];
 220     wxSprintf(wild, _T("*.%s"), ext);
 221
 222     return wxFileSelector (prompt, (const wxChar *) NULL, default_name, ext, wild, 0, parent);
 223 }
 224