i3 - improved tiling WM

Consistently set focus across outputs

Patch status: rejected

Patch by Tony Crisci

Long description:

When focusing across containers, the window on the top of the focus
stack should get focus, even when that container is on another output.

fixes #1160

To apply this patch, use:
curl http://cr.i3wm.org/patch/596/raw.patch | git am

b/src/tree.c

18 
@@ -581,7 +581,7 @@ static bool _tree_next(Con *con, char way, orientation_t orientation, bool wrap)
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         if (con_get_fullscreen_con(workspace, CF_OUTPUT))
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             return true;
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-        Con *focus = con_descend_direction(workspace, direction);
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+        Con *focus = con_descend_tiling_focused(workspace);
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         if (focus) {
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             con_focus(focus);
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             x_set_warp_to(&(focus->rect));

b/testcases/t/510-focus-across-outputs.t

31 
@@ -99,7 +99,8 @@ reset_focus $s3_ws;
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 cmd "workspace $s2_ws";
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 cmd 'focus right';
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-is($x->input_focus, $sixth->id, 'sixth window focused');
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+diag 'it should focus the window on the top of the focus stack';
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+is($x->input_focus, $seventh->id, 'seventh window focused');
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 reset_focus $s3_ws;
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 cmd "workspace $s2_ws";
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@@ -128,7 +129,8 @@ reset_focus $s3_ws;
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 cmd "workspace $s1_ws";
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 cmd 'focus left';
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-is($x->input_focus, $second->id, 'second window focused');
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+diag 'it should focus the window on the top of the focus stack';
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+is($x->input_focus, $first->id, 'first window focused');
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 reset_focus $s0_ws;
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 cmd "workspace $s1_ws";
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@@ -142,7 +144,8 @@ is($x->input_focus, $sixth->id, 'sixth window focused');
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 cmd "workspace $s2_ws";
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 cmd 'focus up';
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-is($x->input_focus, $second->id, 'second window focused');
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+diag 'it should focus the window on the top of the focus stack';
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+is($x->input_focus, $first->id, 'first window focused');
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 exit_gracefully($pid);
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