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 #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     dialog->SetPath( filename );
  87
  88     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  89     event.SetEventObject( dialog );
  90     dialog->GetEventHandler()->ProcessEvent( event );
  91 }
  92
  93 //-----------------------------------------------------------------------------
  94 // "clicked" for Cancel-button
  95 //-----------------------------------------------------------------------------
  96
  97 static
  98 void gtk_filedialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFileDialog *dialog )
  99 {
 100     if (g_isIdle) wxapp_install_idle_handler();
 101
 102     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 103     event.SetEventObject( dialog );
 104     dialog->GetEventHandler()->ProcessEvent( event );
 105 }
 106
 107 //-----------------------------------------------------------------------------
 108 // wxFileDialog
 109 //-----------------------------------------------------------------------------
 110
 111 IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxDialog)
 112
 113 wxFileDialog::wxFileDialog( wxWindow *parent, const wxString& message,
 114                             const wxString& defaultDir, const wxString& defaultFileName,
 115                             const wxString& wildCard,
 116                             long style, const wxPoint& pos )
 117 {
 118     m_needParent = FALSE;
 119
 120     if (!PreCreation( parent, pos, wxDefaultSize ) ||
 121         !CreateBase( parent, -1, pos, wxDefaultSize, style | wxDIALOG_MODAL, wxDefaultValidator, wxT("filedialog") ))
 122     {
 123         wxFAIL_MSG( wxT("wxXX creation failed") );
 124         return;
 125     }
 126
 127     m_message = message;
 128     m_path = wxT("");
 129     m_fileName = defaultFileName;
 130     m_dir = defaultDir;
 131     m_wildCard = wildCard;
 132     m_dialogStyle = style;
 133     m_filterIndex = 1;
 134
 135     m_widget = gtk_file_selection_new( m_message.mbc_str() );
 136
 137     int x = (gdk_screen_width () - 400) / 2;
 138     int y = (gdk_screen_height () - 400) / 2;
 139     gtk_widget_set_uposition( m_widget, x, y );
 140
 141     GtkFileSelection *sel = GTK_FILE_SELECTION(m_widget);
 142     gtk_file_selection_hide_fileop_buttons( sel ); // they don't work anyway
 143
 144     m_path.Append(m_dir);
 145     if( ! m_path.IsEmpty() && m_path.Last()!=wxT('/') )
 146         m_path.Append('/');
 147     m_path.Append(m_fileName);
 148
 149     if(m_path.Length()>1) gtk_file_selection_set_filename(sel,m_path.mbc_str());
 150
 151     gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
 152       GTK_SIGNAL_FUNC(gtk_filedialog_ok_callback), (gpointer*)this );
 153
 154     // strange way to internationalize
 155     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->ok_button)->child ), wxConvCurrent->cWX2MB(_("OK")) );
 156
 157     gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
 158       GTK_SIGNAL_FUNC(gtk_filedialog_cancel_callback), (gpointer*)this );
 159
 160     // strange way to internationalize
 161     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->cancel_button)->child ), wxConvCurrent->cWX2MB(_("Cancel")) );
 162
 163     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 164         GTK_SIGNAL_FUNC(gtk_filedialog_delete_callback), (gpointer)this );
 165 }
 166
 167 void wxFileDialog::SetPath(const wxString& path)
 168 {
 169     // not only set the full path but also update filename and dir
 170     m_path = path;
 171     if ( !!path )
 172     {
 173         wxString ext;
 174         wxSplitPath(path, &m_dir, &m_fileName, &ext);
 175         if (!ext.IsEmpty())
 176         {
 177             m_fileName += wxT(".");
 178             m_fileName += ext;
 179         }
 180     }
 181 }
 182
 183 // ----------------------------------------------------------------------------
 184 // global functions
 185 // ----------------------------------------------------------------------------
 186
 187 wxString
 188 wxFileSelectorEx(const wxChar *message,
 189                  const wxChar *default_path,
 190                  const wxChar *default_filename,
 191                  int *indexDefaultExtension,
 192                  const wxChar *wildcard,
 193                  int flags,
 194                  wxWindow *parent,
 195                  int x, int y)
 196 {
 197     // TODO: implement this somehow
 198     return wxFileSelector(message, default_path, default_filename, wxT(""),
 199                           wildcard, flags, parent, x, y);
 200 }
 201
 202 wxString wxFileSelector( const wxChar *title,
 203                       const wxChar *defaultDir, const wxChar *defaultFileName,
 204                       const wxChar *defaultExtension, const wxChar *filter, int flags,
 205                       wxWindow *parent, int x, int y )
 206 {
 207     wxString filter2;
 208     if ( defaultExtension && !filter )
 209         filter2 = wxString(wxT("*.")) + wxString(defaultExtension) ;
 210     else if ( filter )
 211         filter2 = filter;
 212
 213     wxString defaultDirString;
 214     if (defaultDir)
 215         defaultDirString = defaultDir;
 216
 217     wxString defaultFilenameString;
 218     if (defaultFileName)
 219         defaultFilenameString = defaultFileName;
 220
 221     wxFileDialog fileDialog( parent, title, defaultDirString, defaultFilenameString, filter2, flags, wxPoint(x, y) );
 222
 223     if ( fileDialog.ShowModal() == wxID_OK )
 224     {
 225         return fileDialog.GetPath();
 226     }
 227     else
 228     {
 229         return wxEmptyString;
 230     }
 231 }
 232
 233 wxString wxLoadFileSelector( const wxChar *what, const wxChar *extension, const wxChar *default_name, wxWindow *parent )
 234 {
 235     wxChar *ext = (wxChar *)extension;
 236
 237     wxChar prompt[50];
 238     wxString str = _("Load %s file");
 239     wxSprintf(prompt, str, what);
 240
 241     if (*ext == wxT('.')) ext++;
 242     wxChar wild[60];
 243     wxSprintf(wild, wxT("*.%s"), ext);
 244
 245     return wxFileSelector (prompt, (const wxChar *) NULL, default_name, ext, wild, 0, parent);
 246 }
 247
 248 wxString wxSaveFileSelector(const wxChar *what, const wxChar *extension, const wxChar *default_name,
 249          wxWindow *parent )
 250 {
 251     wxChar *ext = (wxChar *)extension;
 252
 253     wxChar prompt[50];
 254     wxString str = _("Save %s file");
 255     wxSprintf(prompt, str, what);
 256
 257     if (*ext == wxT('.')) ext++;
 258     wxChar wild[60];
 259     wxSprintf(wild, wxT("*.%s"), ext);
 260
 261     return wxFileSelector (prompt, (const wxChar *) NULL, default_name, ext, wild, 0, parent);
 262 }
 263