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 #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     // change to the directory where the user went if asked
  86     if ( style & wxCHANGE_DIR )
  87     {
  88         wxString cwd;
  89         wxSplitPath(filename, &cwd, NULL, NULL);
  90
  91         if ( cwd != wxGetWorkingDirectory() )
  92         {
  93             wxSetWorkingDirectory(cwd);
  94         }
  95     }
  96
  97     dialog->SetPath( filename );
  98
  99     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
 100     event.SetEventObject( dialog );
 101     dialog->GetEventHandler()->ProcessEvent( event );
 102 }
 103
 104 //-----------------------------------------------------------------------------
 105 // "clicked" for Cancel-button
 106 //-----------------------------------------------------------------------------
 107
 108 static
 109 void gtk_filedialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFileDialog *dialog )
 110 {
 111     if (g_isIdle) wxapp_install_idle_handler();
 112
 113     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 114     event.SetEventObject( dialog );
 115     dialog->GetEventHandler()->ProcessEvent( event );
 116 }
 117
 118 //-----------------------------------------------------------------------------
 119 // wxFileDialog
 120 //-----------------------------------------------------------------------------
 121
 122 IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxFileDialogBase)
 123
 124 wxFileDialog::wxFileDialog( wxWindow *parent, const wxString& message,
 125                             const wxString& defaultDir, const wxString& defaultFileName,
 126                             const wxString& wildCard,
 127                             long style, const wxPoint& pos )
 128              :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, 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_widget = gtk_file_selection_new( m_message.mbc_str() );
 140
 141     int x = (gdk_screen_width () - 400) / 2;
 142     int y = (gdk_screen_height () - 400) / 2;
 143     gtk_widget_set_uposition( m_widget, x, y );
 144
 145     GtkFileSelection *sel = GTK_FILE_SELECTION(m_widget);
 146     gtk_file_selection_hide_fileop_buttons( sel ); // they don't work anyway
 147
 148     m_path.Append(m_dir);
 149     if( ! m_path.IsEmpty() && m_path.Last()!=wxT('/') )
 150         m_path.Append('/');
 151     m_path.Append(m_fileName);
 152
 153     if(m_path.Length()>1) gtk_file_selection_set_filename(sel,m_path.mbc_str());
 154
 155     gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
 156       GTK_SIGNAL_FUNC(gtk_filedialog_ok_callback), (gpointer*)this );
 157
 158     // strange way to internationalize
 159     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->ok_button)->child ), wxConvCurrent->cWX2MB(_("OK")) );
 160
 161     gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
 162       GTK_SIGNAL_FUNC(gtk_filedialog_cancel_callback), (gpointer*)this );
 163
 164     // strange way to internationalize
 165     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->cancel_button)->child ), wxConvCurrent->cWX2MB(_("Cancel")) );
 166
 167     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 168         GTK_SIGNAL_FUNC(gtk_filedialog_delete_callback), (gpointer)this );
 169 }
 170
 171 void wxFileDialog::SetPath(const wxString& path)
 172 {
 173     // not only set the full path but also update filename and dir
 174     m_path = path;
 175     if ( !!path )
 176     {
 177         wxString ext;
 178         wxSplitPath(path, &m_dir, &m_fileName, &ext);
 179         if (!ext.IsEmpty())
 180         {
 181             m_fileName += wxT(".");
 182             m_fileName += ext;
 183         }
 184     }
 185 }
 186