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