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Rework gaps code to be simpler and correct

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Instead of tracking gaps per child apply gaps in two logical places:

1. In tiled containers use the layout code to add the gaps between
windows. This is much simpler and guarantees that the sizing of children
is correct.
2. In the workspace itself apply all the gaps around the edge. Here
we're in the correct position to size inner and outer gaps correctly and
decide on smart gaps in a single location.

Fixes #4296
This commit is contained in:
Pedro Côrte-Real 2019-07-06 11:57:32 +01:00 • committed by Brian Ashworth
parent 2dc4978d8a
commit d0233af3b3
6 changed files with 53 additions and 136 deletions
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38
sway/tree/workspace.c
View file

@ -700,28 +700,7 @@ void workspace_insert_tiling(struct sway_workspace *workspace,
node_set_dirty(&con->node);
}
void workspace_remove_gaps(struct sway_workspace *ws) {
if (ws->current_gaps.top == 0 && ws->current_gaps.right == 0 &&
ws->current_gaps.bottom == 0 && ws->current_gaps.left == 0) {
return;
}
ws->width += ws->current_gaps.left + ws->current_gaps.right;
ws->height += ws->current_gaps.top + ws->current_gaps.bottom;
ws->x -= ws->current_gaps.left;
ws->y -= ws->current_gaps.top;
ws->current_gaps.top = 0;
ws->current_gaps.right = 0;
ws->current_gaps.bottom = 0;
ws->current_gaps.left = 0;
}
void workspace_add_gaps(struct sway_workspace *ws) {
if (ws->current_gaps.top > 0 || ws->current_gaps.right > 0 ||
ws->current_gaps.bottom > 0 || ws->current_gaps.left > 0) {
return;
}
if (config->smart_gaps) {
struct sway_seat *seat = input_manager_get_default_seat();
struct sway_container *focus =
@ -730,20 +709,19 @@ void workspace_add_gaps(struct sway_workspace *ws) {
focus = seat_get_focus_inactive_view(seat, &focus->node);
}
if (focus && focus->view && view_is_only_visible(focus->view)) {
ws->current_gaps.top = 0;
ws->current_gaps.right = 0;
ws->current_gaps.bottom = 0;
ws->current_gaps.left = 0;
return;
}
}
ws->current_gaps = ws->gaps_outer;
if (ws->layout == L_TABBED || ws->layout == L_STACKED) {
// We have to add inner gaps for this, because children of tabbed and
// stacked containers don't apply their own gaps - they assume the
// tabbed/stacked container is using gaps.
ws->current_gaps.top += ws->gaps_inner;
ws->current_gaps.right += ws->gaps_inner;
ws->current_gaps.bottom += ws->gaps_inner;
ws->current_gaps.left += ws->gaps_inner;
}
ws->current_gaps.top += ws->gaps_inner;
ws->current_gaps.right += ws->gaps_inner;
ws->current_gaps.bottom += ws->gaps_inner;
ws->current_gaps.left += ws->gaps_inner;
ws->x += ws->current_gaps.left;
ws->y += ws->current_gaps.top;