Re: How to close FileChooserDialog immediately after selection of file?

["Milosz Derezynski" <internalerror gmail com>]

I'm sorry, it's Gtk::Main::events_pending(), not ::pending():


fcd1->hide();

while (Gtk::Main::events_pending())
   Gtk::Main::iteration();


Regards,
M.

On Tue, Nov 18, 2008 at 5:36 AM, Milosz Derezynski <internalerror gmail com> wrote:

Not sure why you need the sleep() statement (i'm always somewhat suspicious about sleep()), but try this:

fcd1->hide();

while (Gtk::Main::pending())
   Gtk::Main::iteration();

I suspect that after hiding and before the sleep there is no time for Gtk+ to actually perform the hiding.

On Mon, Nov 17, 2008 at 10:00 PM, argnu <wzhsascha web de> wrote:

In my program a file gets chosen and then a routine taking this file as
parameter starts which takes some time.
My problem is: the FileChooserDialog closes only _after_ the routine has
finished.
I want the Dialog to be closed _before_ the routine starts.

I have tried it with FileChooserButton and with a separate Button which
calls a FileChooserDialog. For the last version I posted a Code Snippet. in
void on_button3_clicked() I would expect (and like to have) that

fcd1->hide(); //should close the dialog

works before the

sleep(3)-statement in switch(res),

however the hide() statement which should close the dialog comes into effect
after the sleep(3);
sleep(3); stands for the routine which takes some time.

do you have any suggestions?

With best argnu

// ------------------------------------------

Gtk::Window *win=NULL;
Gtk::Label *resultlabel=NULL;
Gtk::Toolbar *toolbar1=NULL;

std::string gladefile="/home/binder/tmp/bla/bla.glade";
Glib::RefPtr<Gnome::Glade::Xml> refXml;

void on_button3_clicked()
{
       toolbar1->freeze_child_notify();

  Gtk::FileChooserDialog *fcd1=NULL;
  refXml->get_widget("filechooserdialog1", fcd1);

  fcd1->show();
  int res=fcd1->run();
  std::string filename = fcd1->get_filename();


  fcd1->hide();
  std::cout << "after hide "<<std::endl;

  fcd1=NULL;

 switch(res)
 {
   case(Gtk::RESPONSE_OK):
   {
       std::cout << "Open clicked." << std::endl;
       std::cout << "File selected: " <<  filename << std::endl;

       std::cout << "sleeping 3"<<std::endl;

       sleep(3);

       std::cout << "FINISHED sleeping 3"<<std::endl;

     break;
   }
   case(Gtk::RESPONSE_CANCEL):
   case(Gtk::RESPONSE_DELETE_EVENT):
   {
     std::cout << "Cancel or X clicked." << std::endl;
     break;
   }
   default:
   {
     std::cout << "Unexpected button clicked." << std::endl;
     break;
   }
 }

toolbar1->thaw_child_notify();
}


int main(int argc, char **argv)
{

    Gtk::Main kit(argc, argv);
    refXml = Gnome::Glade::Xml::create(gladefile);

 //toolbar1 and resultlabel is init'ed here,too, its not a leak
...


   Gtk::Button* pButton = NULL;
   refXml->get_widget("button3", pButton);

    pButton->signal_clicked().connect( sigc::ptr_fun(on_button3_clicked) );

    refXml->get_widget("window1", win);
    kit.run(*win);

}
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-- 
Please note that according to the German law on data retention,
information on every electronic information exchange with me is
retained for a period of six months.
[Bitte beachten Sie, dass dem Gesetz zur Vorratsdatenspeicherung zufolge
jeder elektronische Kontakt mit mir sechs Monate lang gespeichert wird.]