Re: PHP-GTK Dialog Windows

- must learn to read mail backwards, sorry :) - ----- Original Message ----- From: "Markus Fischer" <mfischer@guru.josefine.at> To: "Miles" <miles@sag411.com> Cc: <php-gtk-general@lists.php.net> Sent: Wednesday, March 13, 2002 9:18 PM Subject: Re: [PHP-GTK] PHP-GTK Dialog Windows > > Here's a small code snipplet from my current project. > Basically it works this way: > > .) call the function with the message to display and the > responses the user can give > > .) create a dialog window which is modal set_modal(true), put > the message and the necessary buttons into it and conncet the > required signal to the buttons > > .) show the dialog and call Gtk::main(). At this point we've > a new mainloop; the dialog window is modal and all other > windows do not react to input (though the still can get > focus); only code which is connected to this window or the > buttons in it will be executing during this phase. > > .) Only after the dialog has been closed or one of the > buttons has been click Gtk::main_quit() is called which > leaves the newly created inner loop, destroys the window and > returns the index of the button which was pressed (so you can > easily catch it in a switch statement for example). > > > function prompt_dialog($message, $prompts) { > if (strlen($message) == '' || count($prompts) == 0) > return; > > $dialog = &new GtkWindow(GTK_WINDOW_DIALOG); > $dialog->set_title($message); > $dialog->set_policy(false, false, true); > $dialog->set_position(GTK_WIN_POS_CENTER); > $dialog->connect_object('delete_event', create_function('', > 'Gtk::main_quit();')); > $dialog->set_modal(true); > > $vbox = &new GtkVBox; > $vbox->show(); > $dialog->add(&$vbox); > > $label = &new GtkLabel($message); > $label->set_padding(50, 50); > $label->show(); > $vbox->pack_start($label); > > $action_area = &new GtkHbox(true, 0); > $action_area->show(); > $vbox->pack_start($action_area, false, false, 10); > $return_value = false; > > foreach ($prompts as $i => $prompt) { > $button = &new GtkButton($prompt); > $button->connect_object('clicked', create_function('$retval,$value', > '$retval = $value; Gtk::main_quit();'), &$return_value, $i); > $button->show(); > $action_area->pack_start(&$button, true, true, 5); > } > > $dialog->show(); > Gtk::main(); > $dialog->destroy(); > return $return_value; > } > > switch (prompt_dialog(_("Save changes ?"), array(1 => _("Yes"),2 > => _("No"),3 => _("Cancel")))) { > case 1: > $this->do_save_changes(); > return true; > case 2: > return true; > case 3: > default: > return false; > } > > On Wed, Mar 13, 2002 at 03:40:08PM -0500, Miles wrote : > > I've seen a bit of discussion on this issue, but it still is not very clear > > to me so I would like a bit of clarification if possible. When you pull up > > dialog windows, if defined mid function the code keeps going on. Could > > someone explain the nested gtk::main calls I've seen referenced that I'm > > assuming freeze the code until one of the input buttons is clicked. > > > > Any help would be greatly appreciated! > > -- > > Miles Phillips > > > > -- > > PHP-GTK General Mailing List (http://gtk.php.net/) > > To unsubscribe, visit: http://www.php.net/unsub.php > > -- > Please always Cc to me when replying to me on the lists. > GnuPG Key: http://guru.josefine.at/~mfischer/C2272BD0.asc > > -- > PHP-GTK General Mailing List (http://gtk.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php >