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 = "";
 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 );
 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()!='/') m_path.Append('/');
 126     m_path.Append(m_fileName);
 127
 128     if(m_path.Length()>1) gtk_file_selection_set_filename(sel,m_path);
 129
 130     gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
 131       GTK_SIGNAL_FUNC(gtk_filedialog_ok_callback), (gpointer*)this );
 132
 133     // strange way to internationalize
 134     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->ok_button)->child ), _("OK") );
 135
 136     gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
 137       GTK_SIGNAL_FUNC(gtk_filedialog_cancel_callback), (gpointer*)this );
 138
 139     // strange way to internationalize
 140     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->cancel_button)->child ), _("Cancel") );
 141
 142     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 143         GTK_SIGNAL_FUNC(gtk_filedialog_delete_callback), (gpointer)this );
 144 }
 145
 146 wxString wxFileSelector( const char *title,
 147                       const char *defaultDir, const char *defaultFileName,
 148                       const char *defaultExtension, const char *filter, int flags,
 149                       wxWindow *parent, int x, int y )
 150 {
 151     wxString filter2("");
 152     if ( defaultExtension && !filter )
 153         filter2 = wxString("*.") + wxString(defaultExtension) ;
 154     else if ( filter )
 155         filter2 = filter;
 156
 157     wxString defaultDirString;
 158     if (defaultDir)
 159         defaultDirString = defaultDir;
 160     else
 161         defaultDirString = "";
 162
 163     wxString defaultFilenameString;
 164     if (defaultFileName)
 165         defaultFilenameString = defaultFileName;
 166     else
 167         defaultFilenameString = "";
 168
 169     wxFileDialog fileDialog( parent, title, defaultDirString, defaultFilenameString, filter2, flags, wxPoint(x, y) );
 170
 171     if ( fileDialog.ShowModal() == wxID_OK )
 172     {
 173         return fileDialog.GetPath();
 174     }
 175     else
 176     {
 177         return wxEmptyString;
 178     }
 179 }
 180
 181 wxString wxLoadFileSelector( const char *what, const char *extension, const char *default_name, wxWindow *parent )
 182 {
 183     char *ext = (char *)extension;
 184
 185     char prompt[50];
 186     wxString str = _("Load %s file");
 187     sprintf(prompt, str, what);
 188
 189     if (*ext == '.') ext++;
 190     char wild[60];
 191     sprintf(wild, "*.%s", ext);
 192
 193     return wxFileSelector (prompt, (const char *) NULL, default_name, ext, wild, 0, parent);
 194 }
 195
 196 wxString wxSaveFileSelector(const char *what, const char *extension, const char *default_name,
 197          wxWindow *parent )
 198 {
 199     char *ext = (char *)extension;
 200
 201     char prompt[50];
 202     wxString str = _("Save %s file");
 203     sprintf(prompt, str, what);
 204
 205     if (*ext == '.') ext++;
 206     char wild[60];
 207     sprintf(wild, "*.%s", ext);
 208
 209     return wxFileSelector (prompt, (const char *) NULL, default_name, ext, wild, 0, parent);
 210 }
 211