src/gtk/filedlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        gtk/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
  20 #include <gtk/gtk.h>
  21
  22 //-----------------------------------------------------------------------------
  23 // idle system
  24 //-----------------------------------------------------------------------------
  25
  26 extern void wxapp_install_idle_handler();
  27 extern bool g_isIdle;
  28
  29 //-----------------------------------------------------------------------------
  30 // "delete_event"
  31 //-----------------------------------------------------------------------------
  32
  33 static
  34 bool gtk_filedialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
  35 {
  36     if (g_isIdle) wxapp_install_idle_handler();
  37
  38 /*
  39     printf( "OnDelete from " );
  40     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  41         printf( win->GetClassInfo()->GetClassName() );
  42     printf( ".\n" );
  43 */
  44
  45     win->Close();
  46
  47     return TRUE;
  48 }
  49
  50 //-----------------------------------------------------------------------------
  51 // "clicked" for OK-button
  52 //-----------------------------------------------------------------------------
  53
  54 static
  55 void gtk_filedialog_ok_callback( GtkWidget *WXUNUSED(widget), wxFileDialog *dialog )
  56 {
  57     if (g_isIdle) wxapp_install_idle_handler();
  58
  59     int style = dialog->GetStyle();
  60
  61     GtkFileSelection *filedlg = GTK_FILE_SELECTION(dialog->m_widget);
  62     char *filename = gtk_file_selection_get_filename(filedlg);
  63
  64     if ( (style & wxSAVE) && ( style & wxOVERWRITE_PROMPT ) )
  65     {
  66         if (wxFileExists( filename ))
  67         {
  68             wxString msg;
  69             msg.Printf( _("File '%s' already exists, do you really want to "
  70                          "overwrite it?"), filename);
  71
  72             if (wxMessageBox(msg, _("Confirm"), wxYES_NO) != wxYES)
  73                 return;
  74         }
  75     }
  76     else if ( (style & wxOPEN) && ( style & wxFILE_MUST_EXIST) )
  77     {
  78         if ( !wxFileExists( filename ) )
  79         {
  80             wxMessageBox(_("Please choose an existing file."), _("Error"), wxOK);
  81
  82             return;
  83         }
  84     }
  85
  86     // change to the directory where the user went if asked
  87     if ( style & wxCHANGE_DIR )
  88     {
  89         wxString cwd;
  90         wxSplitPath(filename, &cwd, NULL, NULL);
  91
  92         if ( cwd != wxGetWorkingDirectory() )
  93         {
  94             wxSetWorkingDirectory(cwd);
  95         }
  96     }
  97
  98     dialog->SetPath( filename );
  99
 100     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
 101     event.SetEventObject( dialog );
 102     dialog->GetEventHandler()->ProcessEvent( event );
 103 }
 104
 105 //-----------------------------------------------------------------------------
 106 // "clicked" for Cancel-button
 107 //-----------------------------------------------------------------------------
 108
 109 static
 110 void gtk_filedialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFileDialog *dialog )
 111 {
 112     if (g_isIdle) wxapp_install_idle_handler();
 113
 114     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 115     event.SetEventObject( dialog );
 116     dialog->GetEventHandler()->ProcessEvent( event );
 117 }
 118
 119 //-----------------------------------------------------------------------------
 120 // wxFileDialog
 121 //-----------------------------------------------------------------------------
 122
 123 IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxDialog)
 124
 125 wxFileDialog::wxFileDialog( wxWindow *parent, const wxString& message,
 126                             const wxString& defaultDir, const wxString& defaultFileName,
 127                             const wxString& wildCard,
 128                             long style, const wxPoint& pos )
 129 {
 130     m_needParent = FALSE;
 131
 132     if (!PreCreation( parent, pos, wxDefaultSize ) ||
 133         !CreateBase( parent, -1, pos, wxDefaultSize, style | wxDIALOG_MODAL, wxDefaultValidator, wxT("filedialog") ))
 134     {
 135         wxFAIL_MSG( wxT("wxXX creation failed") );
 136         return;
 137     }
 138
 139     m_message = message;
 140     m_path = wxT("");
 141     m_fileName = defaultFileName;
 142     m_dir = defaultDir;
 143     m_wildCard = wildCard;
 144     m_dialogStyle = style;
 145     m_filterIndex = 1;
 146
 147     m_widget = gtk_file_selection_new( m_message.mbc_str() );
 148
 149     int x = (gdk_screen_width () - 400) / 2;
 150     int y = (gdk_screen_height () - 400) / 2;
 151     gtk_widget_set_uposition( m_widget, x, y );
 152
 153     GtkFileSelection *sel = GTK_FILE_SELECTION(m_widget);
 154     gtk_file_selection_hide_fileop_buttons( sel ); // they don't work anyway
 155
 156     m_path.Append(m_dir);
 157     if( ! m_path.IsEmpty() && m_path.Last()!=wxT('/') )
 158         m_path.Append('/');
 159     m_path.Append(m_fileName);
 160
 161     if(m_path.Length()>1) gtk_file_selection_set_filename(sel,m_path.mbc_str());
 162
 163     gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
 164       GTK_SIGNAL_FUNC(gtk_filedialog_ok_callback), (gpointer*)this );
 165
 166     // strange way to internationalize
 167     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->ok_button)->child ), wxConvCurrent->cWX2MB(_("OK")) );
 168
 169     gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
 170       GTK_SIGNAL_FUNC(gtk_filedialog_cancel_callback), (gpointer*)this );
 171
 172     // strange way to internationalize
 173     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->cancel_button)->child ), wxConvCurrent->cWX2MB(_("Cancel")) );
 174
 175     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 176         GTK_SIGNAL_FUNC(gtk_filedialog_delete_callback), (gpointer)this );
 177 }
 178
 179 void wxFileDialog::SetPath(const wxString& path)
 180 {
 181     // not only set the full path but also update filename and dir
 182     m_path = path;
 183     if ( !!path )
 184     {
 185         wxString ext;
 186         wxSplitPath(path, &m_dir, &m_fileName, &ext);
 187         if (!ext.IsEmpty())
 188         {
 189             m_fileName += wxT(".");
 190             m_fileName += ext;
 191         }
 192     }
 193 }
 194
 195 // ----------------------------------------------------------------------------
 196 // global functions
 197 // ----------------------------------------------------------------------------
 198
 199 wxString
 200 wxFileSelectorEx(const wxChar *message,
 201                  const wxChar *default_path,
 202                  const wxChar *default_filename,
 203                  int *indexDefaultExtension,
 204                  const wxChar *wildcard,
 205                  int flags,
 206                  wxWindow *parent,
 207                  int x, int y)
 208 {
 209     // TODO: implement this somehow
 210     return wxFileSelector(message, default_path, default_filename, wxT(""),
 211                           wildcard, flags, parent, x, y);
 212 }
 213
 214 wxString wxFileSelector( const wxChar *title,
 215                       const wxChar *defaultDir, const wxChar *defaultFileName,
 216                       const wxChar *defaultExtension, const wxChar *filter, int flags,
 217                       wxWindow *parent, int x, int y )
 218 {
 219     wxString filter2;
 220     if ( defaultExtension && !filter )
 221         filter2 = wxString(wxT("*.")) + wxString(defaultExtension) ;
 222     else if ( filter )
 223         filter2 = filter;
 224
 225     wxString defaultDirString;
 226     if (defaultDir)
 227         defaultDirString = defaultDir;
 228
 229     wxString defaultFilenameString;
 230     if (defaultFileName)
 231         defaultFilenameString = defaultFileName;
 232
 233     wxFileDialog fileDialog( parent, title, defaultDirString, defaultFilenameString, filter2, flags, wxPoint(x, y) );
 234
 235     if ( fileDialog.ShowModal() == wxID_OK )
 236     {
 237         return fileDialog.GetPath();
 238     }
 239     else
 240     {
 241         return wxEmptyString;
 242     }
 243 }
 244
 245 wxString wxLoadFileSelector( const wxChar *what, const wxChar *extension, const wxChar *default_name, wxWindow *parent )
 246 {
 247     wxChar *ext = (wxChar *)extension;
 248
 249     wxString prompt = wxString::Format(_("Load %s file"), what);
 250
 251     if (*ext == wxT('.'))
 252         ext++;
 253
 254     wxString wild = wxString::Format(_T("*.%s"), ext);
 255
 256     return wxFileSelector(prompt, (const wxChar *) NULL, default_name,
 257                           ext, wild, 0, parent);
 258 }
 259
 260 wxString wxSaveFileSelector(const wxChar *what, const wxChar *extension, const wxChar *default_name,
 261          wxWindow *parent )
 262 {
 263     wxChar *ext = (wxChar *)extension;
 264
 265     wxString prompt = wxString::Format(_("Save %s file"), what);
 266
 267     if (*ext == wxT('.'))
 268         ext++;
 269
 270     wxString wild = wxString::Format(_T("*.%s"), ext);
 271
 272     return wxFileSelector(prompt, (const wxChar *) NULL, default_name,
 273                           ext, wild, 0, parent);
 274 }
 275