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[fixup] delay snap-to-edge overlay only on edges which have adjacent outputs

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This commit is contained in:
tokyo4j 2024-03-25 20:56:53 +09:00
parent 39d941df3c
commit 2d5aaf29ba
1 changed files with 44 additions and 13 deletions
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57
src/overlay.c
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@ -116,8 +116,36 @@ handle_edge_overlay_timeout(void *data)
return 0;
}
static enum wlr_direction
get_wlr_direction(enum view_edge edge)
{
switch (edge) {
case VIEW_EDGE_LEFT:
return WLR_DIRECTION_LEFT;
case VIEW_EDGE_RIGHT:
return WLR_DIRECTION_RIGHT;
case VIEW_EDGE_UP:
case VIEW_EDGE_CENTER:
return WLR_DIRECTION_UP;
case VIEW_EDGE_DOWN:
return WLR_DIRECTION_DOWN;
default:
/* not reached */
assert(false);
}
}
static bool
edge_has_adjacent_output_from_cursor(struct seat *seat, struct output *output,
enum view_edge edge)
{
return wlr_output_layout_adjacent_output(
seat->server->output_layout, get_wlr_direction(edge),
output->wlr_output, seat->cursor->x, seat->cursor->y);
}
static void
show_edge_overlay_delayed(struct seat *seat, enum view_edge edge,
show_edge_overlay(struct seat *seat, enum view_edge edge,
struct output *output)
{
if (seat->overlay.active.edge == edge
@ -128,13 +156,21 @@ show_edge_overlay_delayed(struct seat *seat, enum view_edge edge,
seat->overlay.active.edge = edge;
seat->overlay.active.output = output;
if (!seat->overlay.timer) {
seat->overlay.timer = wl_event_loop_add_timer(
seat->server->wl_event_loop,
handle_edge_overlay_timeout, seat);
if (edge_has_adjacent_output_from_cursor(seat, output, edge)) {
if (!seat->overlay.timer) {
seat->overlay.timer = wl_event_loop_add_timer(
seat->server->wl_event_loop,
handle_edge_overlay_timeout, seat);
}
/*
* Delay overlay for 150ms to prevent flickering when dragging
* view across output edges in multi-monitor setup.
*/
wl_event_source_timer_update(seat->overlay.timer, 150);
} else {
/* Show overlay now */
handle_edge_overlay_timeout(seat);
}
/* Delay for 150ms */
wl_event_source_timer_update(seat->overlay.timer, 150);
}
void
@ -155,12 +191,7 @@ overlay_show(struct seat *seat)
struct output *output;
enum view_edge edge = edge_from_cursor(seat, &output);
if (edge != VIEW_EDGE_INVALID) {
/*
* Snap-to-edge overlay is delayed for 150ms to prevent
* flickering when dragging view across output edges in
* multi-monitor setup.
*/
show_edge_overlay_delayed(seat, edge, output);
show_edge_overlay(seat, edge, output);
return;
}