Re: Scrolled Window Question...

Hi Tom, I've done some horrible things to your script to get it working. Please read comments. Simon was quite right :) ----- Original Message ----- From: <fire@firepages.org> To: "phpgtk at bc90021.net" <phpgtk@bc90021.net>; <php-gtk-general@lists.php.net> Sent: Wednesday, March 27, 2002 8:43 PM Subject: Re: [PHP-GTK] Scrolled Window Question... > Ok - not sure if this was the problem in the first place :) ...(My First GTK > answer - be gentle) > > I commented out the // $output_display = &new GtkText(); in the ping > function as there appears no reason to recreate the GtkText() that already > exists... > sent the $output_display to the ping function.. > > $ping_button->connect_object('clicked', 'ping', $scrolled_window, > $ip, > $ping_number,$output_display); > ...... > function ping($scrolled_window, $ip_address, > $ping_count,$output_display) > > and it worked fine for me apart from a very flickery redraw > > Was that the problem or have I missed the point (very possible) > Regards, > Simon Wheeler > firepages > > > > ----- Original Message ----- > From: "phpgtk at bc90021.net" <phpgtk@bc90021.net> > To: <php-gtk-general@lists.php.net> > Sent: Tuesday, March 26, 2002 1:09 PM > Subject: [PHP-GTK] Scrolled Window Question... > > > > Hi all, > > > > I'm pretty new to PHP-GTK, and reasonably new to programming in general. > > (I've used PHP for some web stuff, but never tried apps programming > > before.) > > > > I have a program with a table, and the last thing I attach to my table > > is a scrolled window, for output from a ping function. (Just a straight > > exec of system ping.) I have the ping in a separate function that gets > > called when the user clicks a button. What I'd like it to do is to > > update the scrolled window in that second function, but no matter what I > > try, I can't get it to work. > > > > Here's a quick pseudo-code example: > > > > <?php > > > > function ping (scrolled_window, ip, num) > > { > > //ip and num are gtkentries > > > > do ping here, get output > > output_display is a gtktext > > > > for loop > > output_display-> insert output > > > > output_scrolled_window = scrolled_window; > > output_scrolled_window->hide(); > > output_scrolled_window->add(output_display) > > output_scrolled_window->show(); > > } > > > > > > function createtable(notebook) > > { > > create label > > create gtkentry (ip) > > create label > > create gtkentry (num) > > create gtkbutton > > > > this notebook = notebook > > > > create gtkscrolledwindow > > scrolled_window->set_reallocate_redraws(TRUE) > > > > table->attach(label) > > table->attach(gtkentry) > > table->attach(label) > > table->attach(gtkentry) > > table->attach(button) > > table->attach(scrolled_window) > > > > button->connect_object (clicked, ping, scrolled_window, ip, num) > > > > this notebook = notebook; > > return this notebook; > > } > > > > function main() > > { > > create new gtknotebook > > //add stuff to notebook... > > > > createtable(notebook); > > } > > > > main(); > > Gtk::main(); > > ?> > > > > Basically, no matter what I do, I can't get the scrolled window to > > update with the information. I've tried the following: > > > > 1) I have tried passing in the scrolled window, and trying to get it to > > redraw in the ping function. > > 2) I have tried passing the whole table to the ping function, to get it > > to redraw. > > 3) I have tried using a GtkCList instead of a GtkText with no avail. > > 4) I have tried using queue_draw(), queue_resize(), and hide() and show(). > > 5) I have tried using unmap(). > > > > I know that the output is there, because if I echo it, it prints to the > > terminal I run the program from. > > > > Here's the results of what I tried: > > > > 1) Sometimes, the program will echo the results to the terminal, and > > the scrollbar will get smaller, like something is in the scrolled > > window, but nothing is visible. Other times, I get the error message > > "Gtk-CRITICAL **: file gtkscrolledwindow.c: line 899 > > (gtk_scrolled_window_add): assertion 'bin->child == NULL' failed." That > > makes me think it's a bug. > > > > 2) If I pass in the whole table, the same thing happens as in number 1. > > > > 3) Nothing happens in the window. (The output is still echoed to the > > terminal.) > > > > 4) Nothing happens in the window. (The output is still echoed to the > > terminal.) > > > > 5) The scrolled window disappears, which means that the unmap() is > > working, but trying to get another one with the results to appear hasn't > > worked. > > > > I have also tried many combinations of the above. However, I can't see > > that I'm doing anything wrong. (That, of course, should be the first > > hint that I am. [;)] ) Basically, I want to pass in a scrolled window, > > get some output, and redraw it, and nothing I do seems to be able to > > make that happen. > > > > The full source code (as it is so far) is available at > > http://phpgtk.bc90021.net . > > > > Thanks in advance! > > > > Tom > > > > > -- > PHP-GTK General Mailing List (http://gtk.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php >