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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  11 #pragma implementation "filedlg.h"
  12 #endif
  13
  14 // For compilers that support precompilation, includes "wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #include "wx/filedlg.h"
  18 #include "wx/utils.h"
  19 #include "wx/intl.h"
  20 #include "wx/generic/msgdlgg.h"
  21
  22 #include <gtk/gtk.h>
  23
  24 //-----------------------------------------------------------------------------
  25 // idle system
  26 //-----------------------------------------------------------------------------
  27
  28 extern void wxapp_install_idle_handler();
  29 extern bool g_isIdle;
  30
  31 //-----------------------------------------------------------------------------
  32 // "delete_event"
  33 //-----------------------------------------------------------------------------
  34
  35 static
  36 bool gtk_filedialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
  37 {
  38     if (g_isIdle) wxapp_install_idle_handler();
  39
  40 /*
  41     printf( "OnDelete from " );
  42     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  43         printf( win->GetClassInfo()->GetClassName() );
  44     printf( ".\n" );
  45 */
  46
  47     win->Close();
  48
  49     return TRUE;
  50 }
  51
  52 //-----------------------------------------------------------------------------
  53 // "clicked" for OK-button
  54 //-----------------------------------------------------------------------------
  55
  56 static
  57 void gtk_filedialog_ok_callback( GtkWidget *WXUNUSED(widget), wxFileDialog *dialog )
  58 {
  59     if (g_isIdle) wxapp_install_idle_handler();
  60
  61     int style = dialog->GetStyle();
  62
  63     GtkFileSelection *filedlg = GTK_FILE_SELECTION(dialog->m_widget);
  64     char *filename = gtk_file_selection_get_filename(filedlg);
  65
  66     if ( (style & wxSAVE) && ( style & wxOVERWRITE_PROMPT ) )
  67     {
  68         if (wxFileExists( filename ))
  69         {
  70             wxString msg;
  71             msg.Printf( _("File '%s' already exists, do you really want to "
  72                          "overwrite it?"), filename);
  73
  74             if (wxMessageBox(msg, _("Confirm"), wxYES_NO) != wxYES)
  75                 return;
  76         }
  77     }
  78     else if ( (style & wxOPEN) && ( style & wxFILE_MUST_EXIST) )
  79     {
  80         if ( !wxFileExists( filename ) )
  81         {
  82             wxMessageBox(_("Please choose an existing file."), _("Error"), wxOK);
  83
  84             return;
  85         }
  86     }
  87
  88     // change to the directory where the user went if asked
  89     if ( style & wxCHANGE_DIR )
  90     {
  91         wxString cwd;
  92         wxSplitPath(filename, &cwd, NULL, NULL);
  93
  94         if ( cwd != wxGetCwd() )
  95         {
  96             wxSetWorkingDirectory(cwd);
  97         }
  98     }
  99
 100     dialog->SetPath( filename );
 101
 102     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
 103     event.SetEventObject( dialog );
 104     dialog->GetEventHandler()->ProcessEvent( event );
 105 }
 106
 107 //-----------------------------------------------------------------------------
 108 // "clicked" for Cancel-button
 109 //-----------------------------------------------------------------------------
 110
 111 static
 112 void gtk_filedialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFileDialog *dialog )
 113 {
 114     if (g_isIdle) wxapp_install_idle_handler();
 115
 116     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 117     event.SetEventObject( dialog );
 118     dialog->GetEventHandler()->ProcessEvent( event );
 119 }
 120
 121 //-----------------------------------------------------------------------------
 122 // wxFileDialog
 123 //-----------------------------------------------------------------------------
 124
 125 IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxFileDialogBase)
 126
 127 wxFileDialog::wxFileDialog( wxWindow *parent, const wxString& message,
 128                             const wxString& defaultDir, const wxString& defaultFileName,
 129                             const wxString& wildCard,
 130                             long style, const wxPoint& pos )
 131              :wxFileDialogBase(parent, message, defaultDir, defaultFileName, wildCard, style, pos)
 132 {
 133     m_needParent = FALSE;
 134
 135     if (!PreCreation( parent, pos, wxDefaultSize ) ||
 136         !CreateBase( parent, wxID_ANY, pos, wxDefaultSize, style, wxDefaultValidator, wxT("filedialog") ))
 137     {
 138         wxFAIL_MSG( wxT("wxXX creation failed") );
 139         return;
 140     }
 141
 142     m_widget = gtk_file_selection_new( m_message.mbc_str() );
 143
 144     int x = (gdk_screen_width () - 400) / 2;
 145     int y = (gdk_screen_height () - 400) / 2;
 146     gtk_widget_set_uposition( m_widget, x, y );
 147
 148     GtkFileSelection *sel = GTK_FILE_SELECTION(m_widget);
 149     gtk_file_selection_hide_fileop_buttons( sel ); // they don't work anyway
 150
 151     m_path.Append(m_dir);
 152     if( ! m_path.IsEmpty() && m_path.Last()!=wxT('/') )
 153         m_path.Append('/');
 154     m_path.Append(m_fileName);
 155
 156     if(m_path.Length()>1) gtk_file_selection_set_filename(sel,m_path.mbc_str());
 157
 158     gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
 159       GTK_SIGNAL_FUNC(gtk_filedialog_ok_callback), (gpointer*)this );
 160
 161     // strange way to internationalize
 162     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->ok_button)->child ), wxConvCurrent->cWX2MB(_("OK")) );
 163
 164     gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
 165       GTK_SIGNAL_FUNC(gtk_filedialog_cancel_callback), (gpointer*)this );
 166
 167     // strange way to internationalize
 168     gtk_label_set( GTK_LABEL( GTK_BUTTON(sel->cancel_button)->child ), wxConvCurrent->cWX2MB(_("Cancel")) );
 169
 170     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 171         GTK_SIGNAL_FUNC(gtk_filedialog_delete_callback), (gpointer)this );
 172 }
 173
 174 void wxFileDialog::SetPath(const wxString& path)
 175 {
 176     // not only set the full path but also update filename and dir
 177     m_path = path;
 178     if ( !!path )
 179     {
 180         wxString ext;
 181         wxSplitPath(path, &m_dir, &m_fileName, &ext);
 182         if (!ext.IsEmpty())
 183         {
 184             m_fileName += wxT(".");
 185             m_fileName += ext;
 186         }
 187     }
 188 }
 189