>Hi, what exactly are you trying to do with Gnome2::Wnck ?

Window tiling on multiple workspaces. Firstly, I use WNCK get a list of workspaces and their sizes. Then I create a test Gtk2::Window, size 100x100. Then I use WNCK to get the actual size of the window. This gives me the size of window controls.

Then I draw a test window in the top left/bottom right corners of the window. Then I use WNCK to get the actual size/position of the window. This gives me the size and position of taskbars/panels, which gives me the size of the available workspace.

Specifically, these are the operations I use. I have never found any alternative to WNCK, and of course finding something that works on MS Windows as well as Linux is just a foolish pipe dream :)

Get the default screen and workspace

$screen = Gnome2::Wnck::Screen->get_default()
$screen->force_update();
$workspace = $screen->get_active_workspace();
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Get remaining workspaces

do {
    $otherWorkspace = $workspace->get_neighbor('WNCK_MOTION_RIGHT');
until (! $otherWorkspace);
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Get the size of a workspace

$workspace->get_width();
$workspace->get_height();
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Move a window to a workspace

Get a window's current screen

Get the system name/number for a workspace

$num = $workspace->get_number();
$name = $workspace->get_name();
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Get/set the size and position of the window

$wnckWin->get_client_window_geometry();
$wnckWin->set_geometry(
    'WNCK_WINDOW_GRAVITY_CURRENT',
        [
            'WNCK_WINDOW_CHANGE_X',       
            'WNCK_WINDOW_CHANGE_Y',
            'WNCK_WINDOW_CHANGE_WIDTH',
            'WNCK_WINDOW_CHANGE_HEIGHT',
        ],
     $x,
     $y,
     $width,
     $height,
);
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Minimise/unminimise windows

$wnckWin->unminimize(time());
$wnckWin->minimize();
if (wnckWin->is_minimized) {
    ...
}
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Given a WNCK window, find the equivalent Gtk2 window

foreach my $gtkWin (Gtk2::Window->list_toplevels()) {
    $wnckWinXid = $wnckWin->get_xid();
    $gtkWinXid = $gtkWin->get_xid();
    if ($wnckWinXid eq $gtkWinXid) {
        ...
    }
}
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Given a Gtk window, find the equivalent WNCK window

$gdkWin = $gtkWin->get_window();
$winXid = $gdkWin->get_xid();
    
$wnckScreen->force_update();
foreach my $wnckWin ($wnckScreen->get_windows()) {
    my $wnckWinXid = $wnckWin->get_xid();
    if ($wnckWinXid && $wnckWinXid eq $winXid) {
        ...
}
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Find the WNCK window for "Notepad" or "Firefox", or whatever

$wnckScreen->force_update();
foreach my $wnckWin ($wnckScreen->get_windows()) {    
    if ($wnckWin->get_name() eq 'Notepad') {
        ...
    }
}
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