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