bool wxFileDialog::Create(wxWindow *parent, const wxString& message,
const wxString& defaultDir,
const wxString& defaultFileName,
const wxString& wildCard,
long style, const wxPoint& pos,
const wxSize& sz,
const wxString& name)
{
parent = GetParentForModalDialog(parent, style);
if (!wxFileDialogBase::Create(parent, message, defaultDir, defaultFileName,
wildCard, style, pos, sz, name))
{
return false;
}
if (!PreCreation(parent, pos, wxDefaultSize) ||
!CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
wxDefaultValidator, wxT("filedialog")))
{
wxFAIL_MSG( wxT("wxFileDialog creation failed") );
return false;
}
GtkFileChooserAction gtk_action;
GtkWindow* gtk_parent = NULL;
if (parent)
gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
const gchar* ok_btn_stock;
if ( style & wxFD_SAVE )
{
gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
ok_btn_stock = GTK_STOCK_SAVE;
}
else
{
gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
ok_btn_stock = GTK_STOCK_OPEN;
}
m_widget = gtk_file_chooser_dialog_new(
wxGTK_CONV(m_message),
gtk_parent,
gtk_action,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
ok_btn_stock, GTK_RESPONSE_ACCEPT,
NULL);
g_object_ref(m_widget);
GtkFileChooser* file_chooser = GTK_FILE_CHOOSER(m_widget);
m_fc.SetWidget(file_chooser);
gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
if ( style & wxFD_MULTIPLE )
gtk_file_chooser_set_select_multiple(file_chooser, true);
// gtk_widget_hide_on_delete is used here to avoid that Gtk automatically
// destroys the dialog when the user press ESC on the dialog: in that case
// a second call to ShowModal() would result in a bunch of Gtk-CRITICAL
// errors...
g_signal_connect(m_widget,
"delete_event",
G_CALLBACK (gtk_widget_hide_on_delete),
this);
// local-only property could be set to false to allow non-local files to be
// loaded. In that case get/set_uri(s) should be used instead of
// get/set_filename(s) everywhere and the GtkFileChooserDialog should
// probably also be created with a backend, e.g. "gnome-vfs", "default", ...
// (gtk_file_chooser_dialog_new_with_backend). Currently local-only is kept
// as the default - true:
// gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
g_signal_connect (m_widget, "response",
G_CALLBACK (gtk_filedialog_response_callback), this);
g_signal_connect (m_widget, "selection-changed",
G_CALLBACK (gtk_filedialog_selchanged_callback), this);
// deal with extensions/filters
SetWildcard(wildCard);
wxString defaultFileNameWithExt = defaultFileName;
if ( !wildCard.empty() && !defaultFileName.empty() &&
!wxFileName(defaultFileName).HasExt() )
{
// append the default extension, if any, to the initial file name: GTK
// won't do it for us by default (unlike e.g. MSW)
const wxFileName fnWC(m_fc.GetCurrentWildCard());
if ( fnWC.HasExt() )
{
// Notice that we shouldn't append the extension if it's a wildcard
// because this is not useful: the user would need to change it to use
// some fixed extension anyhow.
const wxString& ext = fnWC.GetExt();
if ( ext.find_first_of("?*") == wxString::npos )
defaultFileNameWithExt << "." << ext;
}
}
// if defaultDir is specified it should contain the directory and
// defaultFileName should contain the default name of the file, however if
// directory is not given, defaultFileName contains both
wxFileName fn;
if ( defaultDir.empty() )
fn.Assign(defaultFileNameWithExt);
else if ( !defaultFileNameWithExt.empty() )
fn.Assign(defaultDir, defaultFileNameWithExt);
else
fn.AssignDir(defaultDir);
// set the initial file name and/or directory
fn.MakeAbsolute(); // GTK+ needs absolute path
const wxString dir = fn.GetPath();
if ( !dir.empty() )
{
gtk_file_chooser_set_current_folder(file_chooser, wxGTK_CONV_FN(dir));
}
const wxString fname = fn.GetFullName();
if ( style & wxFD_SAVE )
{
if ( !fname.empty() )
{
gtk_file_chooser_set_current_name(file_chooser, wxGTK_CONV_FN(fname));
}
#if GTK_CHECK_VERSION(2,7,3)
if ((style & wxFD_OVERWRITE_PROMPT)
#ifndef __WXGTK3__
&& gtk_check_version(2,7,3) == NULL
#endif
)
{
gtk_file_chooser_set_do_overwrite_confirmation(file_chooser, true);
}
#endif
}
else // wxFD_OPEN
{
if ( !fname.empty() )
{
gtk_file_chooser_set_filename(file_chooser,
wxGTK_CONV_FN(fn.GetFullPath()));
}
}
if ( style & wxFD_PREVIEW )
{
GtkWidget *previewImage = gtk_image_new();
gtk_file_chooser_set_preview_widget(file_chooser, previewImage);
g_signal_connect(m_widget, "update-preview",
G_CALLBACK(gtk_filedialog_update_preview_callback),
previewImage);
}
return true;
}
