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     if (!PreCreation( parent, pos, wxDefaultSize ) ||
 120         !CreateBase( parent, -1, pos, wxDefaultSize, style | wxDIALOG_MODAL, wxDefaultValidator, T("filedialog") ))
 121     {
 122         wxFAIL_MSG( T("wxXX creation failed") );
 123         return;
 124     }
 125
 126     m_message = message;
 127     m_path = T("");
 128     m_fileName = defaultFileName;
 129     m_dir = defaultDir;
 130     m_wildCard = wildCard;
 131     m_dialogStyle = style;
 132     m_filterIndex = 1;
 133
 134     m_widget = gtk_file_selection_new( m_message.mbc_str() );
 135
 136     int x = (gdk_screen_width () - 400) / 2;
 137     int y = (gdk_screen_height () - 400) / 2;
 138     gtk_widget_set_uposition( m_widget, x, y );
 139
 140     GtkFileSelection *sel = GTK_FILE_SELECTION(m_widget);
 141     gtk_file_selection_hide_fileop_buttons( sel ); // they don't work anyway
 142
 143     m_path.Append(m_dir);
 144     if( ! m_path.IsEmpty() && m_path.Last()!=T('/') )
 145         m_path.Append('/');
 146     m_path.Append(m_fileName);
 147
 148     if(m_path.Length()>1) gtk_file_selection_set_filename(sel,m_path.mbc_str());
 149
 150     gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
 151       GTK_SIGNAL_FUNC(gtk_filedialog_ok_callback), (gpointer*)this );
 152
 153     // strange way to internationalize
 154     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->ok_button)->child ), wxConvCurrent->cWX2MB(_("OK")) );
 155
 156     gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
 157       GTK_SIGNAL_FUNC(gtk_filedialog_cancel_callback), (gpointer*)this );
 158
 159     // strange way to internationalize
 160     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->cancel_button)->child ), wxConvCurrent->cWX2MB(_("Cancel")) );
 161
 162     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 163         GTK_SIGNAL_FUNC(gtk_filedialog_delete_callback), (gpointer)this );
 164 }
 165
 166 void wxFileDialog::SetPath(const wxString& path)
 167 {
 168     // not only set the full path but also update filename and dir
 169     m_path = path;
 170     if ( !!path )
 171     {
 172         wxString ext;
 173         wxSplitPath(path, &m_dir, &m_fileName, &ext);
 174         if (!ext.IsEmpty())
 175         {
 176             m_fileName += T(".");
 177             m_fileName += ext;
 178         }
 179     }
 180 }
 181
 182 // ----------------------------------------------------------------------------
 183 // global functions
 184 // ----------------------------------------------------------------------------
 185
 186 wxString
 187 wxFileSelectorEx(const wxChar *message,
 188                  const wxChar *default_path,
 189                  const wxChar *default_filename,
 190                  int *indexDefaultExtension,
 191                  const wxChar *wildcard,
 192                  int flags,
 193                  wxWindow *parent,
 194                  int x, int y)
 195 {
 196     // TODO: implement this somehow
 197     return wxFileSelector(message, default_path, default_filename, T(""),
 198                           wildcard, flags, parent, x, y);
 199 }
 200
 201 wxString wxFileSelector( const wxChar *title,
 202                       const wxChar *defaultDir, const wxChar *defaultFileName,
 203                       const wxChar *defaultExtension, const wxChar *filter, int flags,
 204                       wxWindow *parent, int x, int y )
 205 {
 206     wxString filter2;
 207     if ( defaultExtension && !filter )
 208         filter2 = wxString(T("*.")) + wxString(defaultExtension) ;
 209     else if ( filter )
 210         filter2 = filter;
 211
 212     wxString defaultDirString;
 213     if (defaultDir)
 214         defaultDirString = defaultDir;
 215
 216     wxString defaultFilenameString;
 217     if (defaultFileName)
 218         defaultFilenameString = defaultFileName;
 219
 220     wxFileDialog fileDialog( parent, title, defaultDirString, defaultFilenameString, filter2, flags, wxPoint(x, y) );
 221
 222     if ( fileDialog.ShowModal() == wxID_OK )
 223     {
 224         return fileDialog.GetPath();
 225     }
 226     else
 227     {
 228         return wxEmptyString;
 229     }
 230 }
 231
 232 wxString wxLoadFileSelector( const wxChar *what, const wxChar *extension, const wxChar *default_name, wxWindow *parent )
 233 {
 234     wxChar *ext = (wxChar *)extension;
 235
 236     wxChar prompt[50];
 237     wxString str = _("Load %s file");
 238     wxSprintf(prompt, str, what);
 239
 240     if (*ext == T('.')) ext++;
 241     wxChar wild[60];
 242     wxSprintf(wild, T("*.%s"), ext);
 243
 244     return wxFileSelector (prompt, (const wxChar *) NULL, default_name, ext, wild, 0, parent);
 245 }
 246
 247 wxString wxSaveFileSelector(const wxChar *what, const wxChar *extension, const wxChar *default_name,
 248          wxWindow *parent )
 249 {
 250     wxChar *ext = (wxChar *)extension;
 251
 252     wxChar prompt[50];
 253     wxString str = _("Save %s file");
 254     wxSprintf(prompt, str, what);
 255
 256     if (*ext == T('.')) ext++;
 257     wxChar wild[60];
 258     wxSprintf(wild, T("*.%s"), ext);
 259
 260     return wxFileSelector (prompt, (const wxChar *) NULL, default_name, ext, wild, 0, parent);
 261 }
 262