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Use "raycasting" for determining focus for floating windows

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Floating containers and their surfaces are ordered in "raised last".
This is used to detect the topmost surface and thus the focus.
This commit is contained in:
Jonathan Buch 2018-10-03 11:05:30 +02:00
parent 7727d54faf
commit 7e978d7a4c
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GPG key ID: 9C46821E98B3343B
1 changed files with 11 additions and 39 deletions
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50
sway/tree/container.c
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@ -151,10 +151,10 @@ struct sway_container *container_find_child(struct sway_container *container,
return NULL;
}
static void surface_at_view(struct sway_container *con, double lx, double ly,
static struct sway_container *surface_at_view(struct sway_container *con, double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy) {
if (!sway_assert(con->view, "Expected a view")) {
return;
return NULL;
}
struct sway_view *view = con->view;
double view_sx = lx - view->x + view->geometry.x;
@ -184,7 +184,9 @@ static void surface_at_view(struct sway_container *con, double lx, double ly,
*sx = _sx;
*sy = _sy;
*surface = _surface;
return con;
}
return NULL;
}
/**
@ -354,46 +356,16 @@ static bool surface_is_popup(struct wlr_surface *surface) {
struct sway_container *container_at(struct sway_workspace *workspace,
double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy) {
struct sway_container *c;
// Focused view's popups
struct sway_seat *seat = input_manager_current_seat(input_manager);
struct sway_container *focus = seat_get_focused_container(seat);
bool is_floating = focus && container_is_floating_or_child(focus);
// Focused view's popups
if (focus && focus->view) {
surface_at_view(focus, lx, ly, surface, sx, sy);
if (*surface && surface_is_popup(*surface)) {
return focus;
}
*surface = NULL;
}
// If focused is floating, focused view's non-popups
if (focus && focus->view && is_floating) {
// only switch to unfocused container if focused container has no menus open
bool has_subsurfaces = wl_list_length(&focus->view->surface->subsurfaces) > 0;
c = floating_container_at(lx, ly, surface, sx, sy);
if (!has_subsurfaces && c && c->view && *surface && c != focus) {
struct sway_container *c = NULL;
// First cast a ray to handle floating windows
for (int i = workspace->floating->length - 1; i >= 0; --i) {
struct sway_container *cn = workspace->floating->items[i];
if (cn->view && (c = surface_at_view(cn, lx, ly, surface, sx, sy))) {
return c;
}
}
surface_at_view(focus, lx, ly, surface, sx, sy);
if (*surface) {
return focus;
}
*surface = NULL;
}
// Floating (non-focused)
if ((c = floating_container_at(lx, ly, surface, sx, sy))) {
return c;
}
// If focused is tiling, focused view's non-popups
if (focus && focus->view && !is_floating) {
surface_at_view(focus, lx, ly, surface, sx, sy);
if (*surface) {
return focus;
}
*surface = NULL;
}
// Tiling (non-focused)
if ((c = tiling_container_at(&workspace->node, lx, ly, surface, sx, sy))) {
return c;