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