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scene_graph: Port layer_shell

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master
Alexander Orzechowski 2 years ago committed by Kirill Primak
parent 5b8b505af5
commit 188811f808
9 changed files with 256 additions and 642 deletions
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44
include/sway/layers.h
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@ -4,53 +4,30 @@
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_layer_shell_v1.h>
enum layer_parent {
LAYER_PARENT_LAYER,
LAYER_PARENT_POPUP,
};
struct sway_layer_surface {
struct wlr_layer_surface_v1 *layer_surface;
struct wl_list link;
struct wl_listener destroy;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener surface_commit;
struct wl_listener output_destroy;
struct wl_listener node_destroy;
struct wl_listener new_popup;
struct wl_listener new_subsurface;
struct wlr_box geo;
bool mapped;
struct wlr_box extent;
enum zwlr_layer_shell_v1_layer layer;
struct wl_list subsurfaces;
struct sway_output *output;
struct wlr_scene_layer_surface_v1 *scene;
struct wlr_scene_tree *tree;
struct wlr_scene_tree *popups;
struct wlr_layer_surface_v1 *layer_surface;
};
struct sway_layer_popup {
struct wlr_xdg_popup *wlr_popup;
enum layer_parent parent_type;
union {
struct sway_layer_surface *parent_layer;
struct sway_layer_popup *parent_popup;
};
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener destroy;
struct wl_listener commit;
struct wl_listener new_popup;
};
struct sway_layer_subsurface {
struct wlr_subsurface *wlr_subsurface;
struct sway_layer_surface *layer_surface;
struct wl_list link;
struct wlr_scene_tree *scene;
struct sway_layer_surface *toplevel;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener destroy;
struct wl_listener new_popup;
struct wl_listener commit;
};
@ -61,7 +38,4 @@ struct wlr_layer_surface_v1 *toplevel_layer_surface_from_surface(
void arrange_layers(struct sway_output *output);
struct sway_layer_surface *layer_from_wlr_layer_surface_v1(
struct wlr_layer_surface_v1 *layer_surface);
#endif

19
include/sway/output.h
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@ -22,8 +22,12 @@ struct sway_output {
struct sway_node node;
struct {
struct wlr_scene_tree *shell_background;
struct wlr_scene_tree *shell_bottom;
struct wlr_scene_tree *tiling;
struct wlr_scene_tree *fullscreen;
struct wlr_scene_tree *shell_top;
struct wlr_scene_tree *shell_overlay;
struct wlr_scene_tree *session_lock;
} layers;
@ -39,7 +43,6 @@ struct sway_output {
struct sway_server *server;
struct wl_list link;
struct wl_list shell_layers[4]; // sway_layer_surface::link
struct wlr_box usable_area;
struct wlr_damage_ring damage_ring;
@ -124,8 +127,6 @@ void output_enable(struct sway_output *output);
void output_disable(struct sway_output *output);
bool output_has_opaque_overlay_layer_surface(struct sway_output *output);
struct sway_workspace *output_get_active_workspace(struct sway_output *output);
void output_surface_for_each_surface(struct sway_output *output,
@ -140,18 +141,6 @@ void output_view_for_each_popup_surface(struct sway_output *output,
struct sway_view *view, sway_surface_iterator_func_t iterator,
void *user_data);
void output_layer_for_each_surface(struct sway_output *output,
struct wl_list *layer_surfaces, sway_surface_iterator_func_t iterator,
void *user_data);
void output_layer_for_each_toplevel_surface(struct sway_output *output,
struct wl_list *layer_surfaces, sway_surface_iterator_func_t iterator,
void *user_data);
void output_layer_for_each_popup_surface(struct sway_output *output,
struct wl_list *layer_surfaces, sway_surface_iterator_func_t iterator,
void *user_data);
#if HAVE_XWAYLAND
void output_unmanaged_for_each_surface(struct sway_output *output,
struct wl_list *unmanaged, sway_surface_iterator_func_t iterator,

1
include/sway/scene_descriptor.h
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@ -15,6 +15,7 @@ enum sway_scene_descriptor_type {
SWAY_SCENE_DESC_NON_INTERACTIVE,
SWAY_SCENE_DESC_CONTAINER,
SWAY_SCENE_DESC_VIEW,
SWAY_SCENE_DESC_LAYER_SHELL,
SWAY_SCENE_DESC_DRAG_ICON,
};

5
include/sway/tree/root.h
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@ -40,10 +40,15 @@ struct sway_root {
struct wlr_scene_tree *layer_tree;
struct {
struct wlr_scene_tree *shell_background;
struct wlr_scene_tree *shell_bottom;
struct wlr_scene_tree *tiling;
struct wlr_scene_tree *floating;
struct wlr_scene_tree *shell_top;
struct wlr_scene_tree *fullscreen;
struct wlr_scene_tree *fullscreen_global;
struct wlr_scene_tree *shell_overlay;
struct wlr_scene_tree *popup;
struct wlr_scene_tree *seat;
struct wlr_scene_tree *session_lock;
} layers;

720
sway/desktop/layer_shell.c
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@ -6,6 +6,7 @@
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_subcompositor.h>
#include "log.h"
#include "sway/scene_descriptor.h"
#include "sway/desktop/transaction.h"
#include "sway/input/cursor.h"
#include "sway/input/input-manager.h"
@ -16,6 +17,7 @@
#include "sway/surface.h"
#include "sway/tree/arrange.h"
#include "sway/tree/workspace.h"
#include <wlr/types/wlr_scene.h>
struct wlr_layer_surface_v1 *toplevel_layer_surface_from_surface(
struct wlr_surface *surface) {
@ -50,165 +52,22 @@ struct wlr_layer_surface_v1 *toplevel_layer_surface_from_surface(
} while (true);
}
static void apply_exclusive(struct wlr_box *usable_area,
uint32_t anchor, int32_t exclusive,
int32_t margin_top, int32_t margin_right,
int32_t margin_bottom, int32_t margin_left) {
if (exclusive <= 0) {
return;
}
struct {
uint32_t singular_anchor;
uint32_t anchor_triplet;
int *positive_axis;
int *negative_axis;
int margin;
} edges[] = {
// Top
{
.singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP,
.anchor_triplet =
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP,
.positive_axis = &usable_area->y,
.negative_axis = &usable_area->height,
.margin = margin_top,
},
// Bottom
{
.singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
.anchor_triplet =
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
.positive_axis = NULL,
.negative_axis = &usable_area->height,
.margin = margin_bottom,
},
// Left
{
.singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT,
.anchor_triplet =
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
.positive_axis = &usable_area->x,
.negative_axis = &usable_area->width,
.margin = margin_left,
},
// Right
{
.singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT,
.anchor_triplet =
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
.positive_axis = NULL,
.negative_axis = &usable_area->width,
.margin = margin_right,
},
};
for (size_t i = 0; i < sizeof(edges) / sizeof(edges[0]); ++i) {
if ((anchor == edges[i].singular_anchor || anchor == edges[i].anchor_triplet)
&& exclusive + edges[i].margin > 0) {
if (edges[i].positive_axis) {
*edges[i].positive_axis += exclusive + edges[i].margin;
}
if (edges[i].negative_axis) {
*edges[i].negative_axis -= exclusive + edges[i].margin;
}
break;
static void arrange_surface(struct sway_output *output, const struct wlr_box *full_area,
struct wlr_box *usable_area, struct wlr_scene_tree *tree) {
struct wlr_scene_node *node;
wl_list_for_each(node, &tree->children, link) {
struct sway_layer_surface *surface = scene_descriptor_try_get(node,
SWAY_SCENE_DESC_LAYER_SHELL);
// surface could be null during destruction
if (!surface) {
continue;
}
}
}
static void arrange_layer(struct sway_output *output, struct wl_list *list,
struct wlr_box *usable_area, bool exclusive) {
struct sway_layer_surface *sway_layer;
struct wlr_box full_area = { 0 };
wlr_output_effective_resolution(output->wlr_output,
&full_area.width, &full_area.height);
wl_list_for_each(sway_layer, list, link) {
struct wlr_layer_surface_v1 *layer = sway_layer->layer_surface;
if (!layer->initialized) {
if (!surface->scene->layer_surface->initialized) {
return;
}
struct wlr_layer_surface_v1_state *state = &layer->current;
if (exclusive != (state->exclusive_zone > 0)) {
continue;
}
struct wlr_box bounds;
if (state->exclusive_zone == -1) {
bounds = full_area;
} else {
bounds = *usable_area;
}
struct wlr_box box = {
.width = state->desired_width,
.height = state->desired_height
};
// Horizontal axis
const uint32_t both_horiz = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT
| ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
if (box.width == 0) {
box.x = bounds.x;
} else if ((state->anchor & both_horiz) == both_horiz) {
box.x = bounds.x + ((bounds.width / 2) - (box.width / 2));
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT)) {
box.x = bounds.x;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT)) {
box.x = bounds.x + (bounds.width - box.width);
} else {
box.x = bounds.x + ((bounds.width / 2) - (box.width / 2));
}
// Vertical axis
const uint32_t both_vert = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP
| ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM;
if (box.height == 0) {
box.y = bounds.y;
} else if ((state->anchor & both_vert) == both_vert) {
box.y = bounds.y + ((bounds.height / 2) - (box.height / 2));
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP)) {
box.y = bounds.y;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM)) {
box.y = bounds.y + (bounds.height - box.height);
} else {
box.y = bounds.y + ((bounds.height / 2) - (box.height / 2));
}
// Margin
if (box.width == 0) {
box.x += state->margin.left;
box.width = bounds.width -
(state->margin.left + state->margin.right);
} else if ((state->anchor & both_horiz) == both_horiz) {
// don't apply margins
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT)) {
box.x += state->margin.left;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT)) {
box.x -= state->margin.right;
}
if (box.height == 0) {
box.y += state->margin.top;
box.height = bounds.height -
(state->margin.top + state->margin.bottom);
} else if ((state->anchor & both_vert) == both_vert) {
// don't apply margins
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP)) {
box.y += state->margin.top;
} else if ((state->anchor & ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM)) {
box.y -= state->margin.bottom;
}
if (!sway_assert(box.width >= 0 && box.height >= 0,
"Expected layer surface to have positive size")) {
continue;
}
// Apply
sway_layer->geo = box;
apply_exclusive(usable_area, state->anchor, state->exclusive_zone,
state->margin.top, state->margin.right,
state->margin.bottom, state->margin.left);
wlr_layer_surface_v1_configure(layer, box.width, box.height);
wlr_scene_layer_surface_v1_configure(surface->scene, full_area, usable_area);
}
}
@ -216,83 +75,78 @@ void arrange_layers(struct sway_output *output) {
struct wlr_box usable_area = { 0 };
wlr_output_effective_resolution(output->wlr_output,
&usable_area.width, &usable_area.height);
const struct wlr_box full_area = usable_area;
// Arrange exclusive surfaces from top->bottom
arrange_layer(output, &output->shell_layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
&usable_area, true);
arrange_layer(output, &output->shell_layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
&usable_area, true);
arrange_layer(output, &output->shell_layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
&usable_area, true);
arrange_layer(output, &output->shell_layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
&usable_area, true);
if (memcmp(&usable_area, &output->usable_area,
sizeof(struct wlr_box)) != 0) {
arrange_surface(output, &full_area, &usable_area, output->layers.shell_background);
arrange_surface(output, &full_area, &usable_area, output->layers.shell_bottom);
arrange_surface(output, &full_area, &usable_area, output->layers.shell_top);
arrange_surface(output, &full_area, &usable_area, output->layers.shell_overlay);
if (!wlr_box_equal(&usable_area, &output->usable_area)) {
sway_log(SWAY_DEBUG, "Usable area changed, rearranging output");
memcpy(&output->usable_area, &usable_area, sizeof(struct wlr_box));
output->usable_area = usable_area;
arrange_output(output);
}
}
// Arrange non-exclusive surfaces from top->bottom
arrange_layer(output, &output->shell_layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
&usable_area, false);
arrange_layer(output, &output->shell_layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
&usable_area, false);
arrange_layer(output, &output->shell_layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
&usable_area, false);
arrange_layer(output, &output->shell_layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
&usable_area, false);
// Find topmost keyboard interactive layer, if such a layer exists
uint32_t layers_above_shell[] = {
ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY,
ZWLR_LAYER_SHELL_V1_LAYER_TOP,
};
size_t nlayers = sizeof(layers_above_shell) / sizeof(layers_above_shell[0]);
struct sway_layer_surface *layer, *topmost = NULL;
for (size_t i = 0; i < nlayers; ++i) {
wl_list_for_each_reverse(layer,
&output->shell_layers[layers_above_shell[i]], link) {
if (layer->layer_surface->current.keyboard_interactive &&
layer->layer_surface->surface->mapped) {
topmost = layer;
break;
}
}
if (topmost != NULL) {
break;
}
static struct wlr_scene_tree *sway_layer_get_scene(struct sway_output *output,
enum zwlr_layer_shell_v1_layer type) {
switch (type) {
case ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND:
return output->layers.shell_background;
case ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM:
return output->layers.shell_bottom;
case ZWLR_LAYER_SHELL_V1_LAYER_TOP:
return output->layers.shell_top;
case ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY:
return output->layers.shell_overlay;
}
struct sway_seat *seat;
wl_list_for_each(seat, &server.input->seats, link) {
seat->has_exclusive_layer = false;
if (topmost != NULL) {
seat_set_focus_layer(seat, topmost->layer_surface);
} else if (seat->focused_layer &&
seat->focused_layer->current.keyboard_interactive
!= ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_EXCLUSIVE) {
seat_set_focus_layer(seat, NULL);
}
sway_assert(false, "unreachable");
return NULL;
}
static struct sway_layer_surface *sway_layer_surface_create(
struct wlr_scene_layer_surface_v1 *scene) {
struct sway_layer_surface *surface = calloc(1, sizeof(*surface));
if (!surface) {
sway_log(SWAY_ERROR, "Could not allocate a scene_layer surface");
return NULL;
}
struct wlr_scene_tree *popups = wlr_scene_tree_create(root->layers.popup);
if (!popups) {
sway_log(SWAY_ERROR, "Could not allocate a scene_layer popup node");
free(surface);
return NULL;
}
surface->tree = scene->tree;
surface->scene = scene;
surface->layer_surface = scene->layer_surface;
surface->popups = popups;
return surface;
}
static struct sway_layer_surface *find_mapped_layer_by_client(
struct wl_client *client, struct wlr_output *ignore_output) {
struct wl_client *client, struct sway_output *ignore_output) {
for (int i = 0; i < root->outputs->length; ++i) {
struct sway_output *output = root->outputs->items[i];
if (output->wlr_output == ignore_output) {
if (output == ignore_output) {
continue;
}
// For now we'll only check the overlay layer
struct sway_layer_surface *lsurface;
wl_list_for_each(lsurface,
&output->shell_layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY], link) {
struct wl_resource *resource = lsurface->layer_surface->resource;
struct wlr_scene_node *node;
wl_list_for_each (node, &output->layers.shell_overlay->children, link) {
struct sway_layer_surface *surface = scene_descriptor_try_get(node,
SWAY_SCENE_DESC_LAYER_SHELL);
struct wlr_layer_surface_v1 *layer_surface = surface->layer_surface;
struct wl_resource *resource = layer_surface->resource;
if (wl_resource_get_client(resource) == client
&& lsurface->layer_surface->surface->mapped) {
return lsurface;
&& layer_surface->surface->mapped) {
return surface;
}
}
}
@ -300,262 +154,144 @@ static struct sway_layer_surface *find_mapped_layer_by_client(
}
static void handle_output_destroy(struct wl_listener *listener, void *data) {
struct sway_layer_surface *sway_layer =
wl_container_of(listener, sway_layer, output_destroy);
struct sway_layer_surface *layer =
wl_container_of(listener, layer, output_destroy);
layer->output = NULL;
wlr_scene_node_destroy(&layer->scene->tree->node);
}
static void handle_node_destroy(struct wl_listener *listener, void *data) {
struct sway_layer_surface *layer =
wl_container_of(listener, layer, node_destroy);
// destroy the scene descriptor straight away if it exists, otherwise
// we will try to reflow still considering the destroyed node.
scene_descriptor_destroy(&layer->tree->node, SWAY_SCENE_DESC_LAYER_SHELL);
// Determine if this layer is being used by an exclusive client. If it is,
// try and find another layer owned by this client to pass focus to.
struct sway_seat *seat = input_manager_get_default_seat();
struct wl_client *client =
wl_resource_get_client(sway_layer->layer_surface->resource);
if (!server.session_lock.locked) {
struct sway_layer_surface *layer =
find_mapped_layer_by_client(client, sway_layer->layer_surface->output);
if (layer) {
seat_set_focus_layer(seat, layer->layer_surface);
wl_resource_get_client(layer->layer_surface->resource);
if (!server.session_lock.lock) {
struct sway_layer_surface *consider_layer =
find_mapped_layer_by_client(client, layer->output);
if (consider_layer) {
seat_set_focus_layer(seat, consider_layer->layer_surface);
}
}
wlr_layer_surface_v1_destroy(sway_layer->layer_surface);
if (layer->output) {
arrange_layers(layer->output);
transaction_commit_dirty();
}
wlr_scene_node_destroy(&layer->popups->node);
wl_list_remove(&layer->map.link);
wl_list_remove(&layer->unmap.link);
wl_list_remove(&layer->surface_commit.link);
wl_list_remove(&layer->node_destroy.link);
wl_list_remove(&layer->output_destroy.link);
free(layer);
}
static void handle_surface_commit(struct wl_listener *listener, void *data) {
struct sway_layer_surface *layer =
wl_container_of(listener, layer, surface_commit);
struct wlr_layer_surface_v1 *layer_surface = layer->layer_surface;
struct wlr_output *wlr_output = layer_surface->output;
sway_assert(wlr_output, "wlr_layer_surface_v1 has null output");
struct sway_output *output = wlr_output->data;
if (layer_surface->initial_commit) {
surface_enter_output(layer_surface->surface, output);
} else if (!layer_surface->initialized) {
struct sway_layer_surface *surface =
wl_container_of(listener, surface, surface_commit);
struct wlr_layer_surface_v1 *layer_surface = surface->layer_surface;
if (!layer_surface->initialized) {
return;
}
struct wlr_box old_extent = layer->extent;
bool layer_changed = false;
if (layer_surface->initial_commit || layer_surface->current.committed != 0
|| layer->mapped != layer_surface->surface->mapped) {
layer->mapped = layer_surface->surface->mapped;
layer_changed = layer->layer != layer_surface->current.layer;
if (layer_changed) {
wl_list_remove(&layer->link);
wl_list_insert(&output->shell_layers[layer_surface->current.layer],
&layer->link);
layer->layer = layer_surface->current.layer;
}
arrange_layers(output);
uint32_t committed = layer_surface->current.committed;
if (committed & WLR_LAYER_SURFACE_V1_STATE_LAYER) {
enum zwlr_layer_shell_v1_layer layer_type = layer_surface->current.layer;
struct wlr_scene_tree *output_layer = sway_layer_get_scene(
surface->output, layer_type);
wlr_scene_node_reparent(&surface->scene->tree->node, output_layer);
}
wlr_surface_get_extends(layer_surface->surface, &layer->extent);
layer->extent.x += layer->geo.x;
layer->extent.y += layer->geo.y;
bool extent_changed =
memcmp(&old_extent, &layer->extent, sizeof(struct wlr_box)) != 0;
if (extent_changed || layer_changed) {
old_extent.x += output->lx;
old_extent.y += output->ly;
output_damage_box(output, &old_extent);
output_damage_surface(output, layer->geo.x, layer->geo.y,
layer_surface->surface, true);
} else {
output_damage_surface(output, layer->geo.x, layer->geo.y,
layer_surface->surface, false);
if (layer_surface->initial_commit || committed || layer_surface->surface->mapped != surface->mapped) {
surface->mapped = layer_surface->surface->mapped;
arrange_layers(surface->output);
transaction_commit_dirty();
}
transaction_commit_dirty();
int lx, ly;
wlr_scene_node_coords(&surface->scene->tree->node, &lx, &ly);
wlr_scene_node_set_position(&surface->popups->node, lx, ly);
}
static void layer_subsurface_destroy(struct sway_layer_subsurface *subsurface);
static void handle_destroy(struct wl_listener *listener, void *data) {
struct sway_layer_surface *sway_layer =
wl_container_of(listener, sway_layer, destroy);
sway_log(SWAY_DEBUG, "Layer surface destroyed (%s)",
sway_layer->layer_surface->namespace);
struct sway_layer_subsurface *subsurface, *subsurface_tmp;
wl_list_for_each_safe(subsurface, subsurface_tmp, &sway_layer->subsurfaces, link) {
layer_subsurface_destroy(subsurface);
static void handle_map(struct wl_listener *listener, void *data) {
struct sway_layer_surface *surface = wl_container_of(listener,
surface, map);
struct wlr_layer_surface_v1 *layer_surface =
surface->scene->layer_surface;
// focus on new surface
if (layer_surface->current.keyboard_interactive &&
(layer_surface->current.layer == ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY ||
layer_surface->current.layer == ZWLR_LAYER_SHELL_V1_LAYER_TOP)) {
struct sway_seat *seat;
wl_list_for_each(seat, &server.input->seats, link) {
// but only if the currently focused layer has a lower precedence
if (!seat->focused_layer ||
seat->focused_layer->current.layer >= layer_surface->current.layer) {
seat_set_focus_layer(seat, layer_surface);
}
}
arrange_layers(surface->output);
}
wl_list_remove(&sway_layer->link);
wl_list_remove(&sway_layer->destroy.link);
wl_list_remove(&sway_layer->map.link);
wl_list_remove(&sway_layer->unmap.link);
wl_list_remove(&sway_layer->surface_commit.link);
wl_list_remove(&sway_layer->new_popup.link);
wl_list_remove(&sway_layer->new_subsurface.link);
struct wlr_output *wlr_output = sway_layer->layer_surface->output;
sway_assert(wlr_output, "wlr_layer_surface_v1 has null output");
struct sway_output *output = wlr_output->data;
arrange_layers(output);
transaction_commit_dirty();
wl_list_remove(&sway_layer->output_destroy.link);
sway_layer->layer_surface->output = NULL;
free(sway_layer);
}
static void handle_map(struct wl_listener *listener, void *data) {
struct sway_layer_surface *sway_layer = wl_container_of(listener,
sway_layer, map);
struct wlr_output *wlr_output = sway_layer->layer_surface->output;
sway_assert(wlr_output, "wlr_layer_surface_v1 has null output");
struct sway_output *output = wlr_output->data;
output_damage_surface(output, sway_layer->geo.x, sway_layer->geo.y,
sway_layer->layer_surface->surface, true);
cursor_rebase_all();
}
static void handle_unmap(struct wl_listener *listener, void *data) {
struct sway_layer_surface *sway_layer = wl_container_of(
listener, sway_layer, unmap);
struct sway_layer_surface *surface = wl_container_of(
listener, surface, unmap);
struct sway_seat *seat;
wl_list_for_each(seat, &server.input->seats, link) {
if (seat->focused_layer == sway_layer->layer_surface) {
if (seat->focused_layer == surface->layer_surface) {
seat_set_focus_layer(seat, NULL);
}
}
cursor_rebase_all();
struct wlr_output *wlr_output = sway_layer->layer_surface->output;
sway_assert(wlr_output, "wlr_layer_surface_v1 has null output");
struct sway_output *output = wlr_output->data;
output_damage_surface(output, sway_layer->geo.x, sway_layer->geo.y,
sway_layer->layer_surface->surface, true);
}
static void subsurface_damage(struct sway_layer_subsurface *subsurface,
bool whole) {
struct sway_layer_surface *layer = subsurface->layer_surface;
struct wlr_output *wlr_output = layer->layer_surface->output;
sway_assert(wlr_output, "wlr_layer_surface_v1 has null output");
struct sway_output *output = wlr_output->data;
int ox = subsurface->wlr_subsurface->current.x + layer->geo.x;
int oy = subsurface->wlr_subsurface->current.y + layer->geo.y;
output_damage_surface(
output, ox, oy, subsurface->wlr_subsurface->surface, whole);
}
static void subsurface_handle_unmap(struct wl_listener *listener, void *data) {
struct sway_layer_subsurface *subsurface =
wl_container_of(listener, subsurface, unmap);
subsurface_damage(subsurface, true);
}
static void subsurface_handle_map(struct wl_listener *listener, void *data) {
struct sway_layer_subsurface *subsurface =
wl_container_of(listener, subsurface, map);
subsurface_damage(subsurface, true);
}
static void subsurface_handle_commit(struct wl_listener *listener, void *data) {
struct sway_layer_subsurface *subsurface =
wl_container_of(listener, subsurface, commit);
subsurface_damage(subsurface, false);
}
static void layer_subsurface_destroy(struct sway_layer_subsurface *subsurface) {
wl_list_remove(&subsurface->link);
wl_list_remove(&subsurface->map.link);
wl_list_remove(&subsurface->unmap.link);
wl_list_remove(&subsurface->destroy.link);
wl_list_remove(&subsurface->commit.link);
free(subsurface);
}
static void subsurface_handle_destroy(struct wl_listener *listener,
void *data) {
struct sway_layer_subsurface *subsurface =
wl_container_of(listener, subsurface, destroy);
layer_subsurface_destroy(subsurface);
}
static struct sway_layer_subsurface *create_subsurface(
struct wlr_subsurface *wlr_subsurface,
struct sway_layer_surface *layer_surface) {
struct sway_layer_subsurface *subsurface =
calloc(1, sizeof(struct sway_layer_subsurface));
if (subsurface == NULL) {
return NULL;
}
subsurface->wlr_subsurface = wlr_subsurface;
subsurface->layer_surface = layer_surface;
wl_list_insert(&layer_surface->subsurfaces, &subsurface->link);
subsurface->map.notify = subsurface_handle_map;
wl_signal_add(&wlr_subsurface->surface->events.map, &subsurface->map);
subsurface->unmap.notify = subsurface_handle_unmap;
wl_signal_add(&wlr_subsurface->surface->events.unmap, &subsurface->unmap);
subsurface->destroy.notify = subsurface_handle_destroy;
wl_signal_add(&wlr_subsurface->events.destroy, &subsurface->destroy);
subsurface->commit.notify = subsurface_handle_commit;
wl_signal_add(&wlr_subsurface->surface->events.commit, &subsurface->commit);
return subsurface;
}
static void handle_new_subsurface(struct wl_listener *listener, void *data) {
struct sway_layer_surface *sway_layer_surface =
wl_container_of(listener, sway_layer_surface, new_subsurface);
struct wlr_subsurface *wlr_subsurface = data;
create_subsurface(wlr_subsurface, sway_layer_surface);
}
static struct sway_layer_surface *popup_get_layer(
struct sway_layer_popup *popup) {
while (popup->parent_type == LAYER_PARENT_POPUP) {
popup = popup->parent_popup;
}
return popup->parent_layer;
}
static void popup_handle_destroy(struct wl_listener *listener, void *data) {
struct sway_layer_popup *popup =
wl_container_of(listener, popup, destroy);
static void popup_damage(struct sway_layer_popup *layer_popup, bool whole) {
struct wlr_xdg_popup *popup = layer_popup->wlr_popup;
struct wlr_surface *surface = popup->base->surface;
int popup_sx = popup->current.geometry.x - popup->base->current.geometry.x;
int popup_sy = popup->current.geometry.y - popup->base->current.geometry.y;
int ox = popup_sx, oy = popup_sy;
struct sway_layer_surface *layer;
while (true) {
if (layer_popup->parent_type == LAYER_PARENT_POPUP) {
layer_popup = layer_popup->parent_popup;
ox += layer_popup->wlr_popup->current.geometry.x;
oy += layer_popup->wlr_popup->current.geometry.y;
} else {
layer = layer_popup->parent_layer;
ox += layer->geo.x;
oy += layer->geo.y;
break;
}
}
struct wlr_output *wlr_output = layer->layer_surface->output;
sway_assert(wlr_output, "wlr_layer_surface_v1 has null output");
struct sway_output *output = wlr_output->data;
output_damage_surface(output, ox, oy, surface, whole);
wl_list_remove(&popup->destroy.link);
wl_list_remove(&popup->new_popup.link);
wl_list_remove(&popup->commit.link);
free(popup);
}
static void popup_unconstrain(struct sway_layer_popup *popup) {
struct sway_layer_surface *layer = popup_get_layer(popup);
struct wlr_xdg_popup *wlr_popup = popup->wlr_popup;
struct sway_output *output = popup->toplevel->output;
// if a client tries to create a popup while we are in the process of destroying
// its output, don't crash.
if (!output) {
return;
}
struct wlr_output *wlr_output = layer->layer_surface->output;
sway_assert(wlr_output, "wlr_layer_surface_v1 has null output");
struct sway_output *output = wlr_output->data;
int lx, ly;
wlr_scene_node_coords(&popup->toplevel->scene->tree->node, &lx, &ly);
// the output box expressed in the coordinate system of the toplevel parent
// of the popup
struct wlr_box output_toplevel_sx_box = {
.x = -layer->geo.x,
.y = -layer->geo.y,
.x = output->lx - lx,
.y = output->ly - ly,
.width = output->width,
.height = output->height,
};
@ -563,63 +299,38 @@ static void popup_unconstrain(struct sway_layer_popup *popup) {
wlr_xdg_popup_unconstrain_from_box(wlr_popup, &output_toplevel_sx_box);
}
static void popup_handle_map(struct wl_listener *listener, void *data) {
struct sway_layer_popup *popup = wl_container_of(listener, popup, map);
struct sway_layer_surface *layer = popup_get_layer(popup);
struct wlr_output *wlr_output = layer->layer_surface->output;
sway_assert(wlr_output, "wlr_layer_surface_v1 has null output");
surface_enter_output(popup->wlr_popup->base->surface, wlr_output->data);
popup_damage(popup, true);
}
static void popup_handle_unmap(struct wl_listener *listener, void *data) {
struct sway_layer_popup *popup = wl_container_of(listener, popup, unmap);
popup_damage(popup, true);
}
static void popup_handle_commit(struct wl_listener *listener, void *data) {
struct sway_layer_popup *popup = wl_container_of(listener, popup, commit);
if (popup->wlr_popup->base->initial_commit) {
popup_unconstrain(popup);
}
popup_damage(popup, false);
}
static void popup_handle_destroy(struct wl_listener *listener, void *data) {
struct sway_layer_popup *popup =
wl_container_of(listener, popup, destroy);
wl_list_remove(&popup->map.link);
wl_list_remove(&popup->unmap.link);
wl_list_remove(&popup->destroy.link);
wl_list_remove(&popup->commit.link);
free(popup);
}
static void popup_handle_new_popup(struct wl_listener *listener, void *data);
static struct sway_layer_popup *create_popup(struct wlr_xdg_popup *wlr_popup,
enum layer_parent parent_type, void *parent) {
struct sway_layer_popup *popup =
calloc(1, sizeof(struct sway_layer_popup));
struct sway_layer_surface *toplevel, struct wlr_scene_tree *parent) {
struct sway_layer_popup *popup = calloc(1, sizeof(*popup));
if (popup == NULL) {
return NULL;
}
popup->toplevel = toplevel;
popup->wlr_popup = wlr_popup;
popup->parent_type = parent_type;
popup->parent_layer = parent;
popup->scene = wlr_scene_xdg_surface_create(parent,
wlr_popup->base);
if (!popup->scene) {
free(popup);
return NULL;
}
popup->map.notify = popup_handle_map;
wl_signal_add(&wlr_popup->base->surface->events.map, &popup->map);
popup->unmap.notify = popup_handle_unmap;
wl_signal_add(&wlr_popup->base->surface->events.unmap, &popup->unmap);
popup->destroy.notify = popup_handle_destroy;
wl_signal_add(&wlr_popup->base->events.destroy, &popup->destroy);
popup->commit.notify = popup_handle_commit;
wl_signal_add(&wlr_popup->base->surface->events.commit, &popup->commit);
popup->new_popup.notify = popup_handle_new_popup;
wl_signal_add(&wlr_popup->base->events.new_popup, &popup->new_popup);
popup->commit.notify = popup_handle_commit;
wl_signal_add(&wlr_popup->base->surface->events.commit, &popup->commit);
return popup;
}
@ -628,19 +339,14 @@ static void popup_handle_new_popup(struct wl_listener *listener, void *data) {
struct sway_layer_popup *sway_layer_popup =
wl_container_of(listener, sway_layer_popup, new_popup);
struct wlr_xdg_popup *wlr_popup = data;
create_popup(wlr_popup, LAYER_PARENT_POPUP, sway_layer_popup);
create_popup(wlr_popup, sway_layer_popup->toplevel, sway_layer_popup->scene);
}
static void handle_new_popup(struct wl_listener *listener, void *data) {
struct sway_layer_surface *sway_layer_surface =
wl_container_of(listener, sway_layer_surface, new_popup);
struct wlr_xdg_popup *wlr_popup = data;
create_popup(wlr_popup, LAYER_PARENT_LAYER, sway_layer_surface);
}
struct sway_layer_surface *layer_from_wlr_layer_surface_v1(
struct wlr_layer_surface_v1 *layer_surface) {
return layer_surface->data;
create_popup(wlr_popup, sway_layer_surface, sway_layer_surface->popups);
}
void handle_layer_shell_surface(struct wl_listener *listener, void *data) {
@ -672,10 +378,6 @@ void handle_layer_shell_surface(struct wl_listener *listener, void *data) {
sway_log(SWAY_ERROR,
"no output to auto-assign layer surface '%s' to",
layer_surface->namespace);
// Note that layer_surface->output can be NULL
// here, but none of our destroy callbacks are
// registered yet so we don't have to make them
// handle that case.
wlr_layer_surface_v1_destroy(layer_surface);
return;
}
@ -684,37 +386,51 @@ void handle_layer_shell_surface(struct wl_listener *listener, void *data) {
layer_surface->output = output->wlr_output;
}
struct sway_layer_surface *sway_layer =
calloc(1, sizeof(struct sway_layer_surface));
if (!sway_layer) {
struct sway_output *output = layer_surface->output->data;
enum zwlr_layer_shell_v1_layer layer_type = layer_surface->pending.layer;
struct wlr_scene_tree *output_layer = sway_layer_get_scene(
output, layer_type);
struct wlr_scene_layer_surface_v1 *scene_surface =
wlr_scene_layer_surface_v1_create(output_layer, layer_surface);
if (!scene_surface) {
sway_log(SWAY_ERROR, "Could not allocate a layer_surface_v1");
return;
}
wl_list_init(&sway_layer->subsurfaces);
struct sway_layer_surface *surface =
sway_layer_surface_create(scene_surface);
if (!surface) {
wlr_layer_surface_v1_destroy(layer_surface);
sway_layer->surface_commit.notify = handle_surface_commit;
wl_signal_add(&layer_surface->surface->events.commit,
&sway_layer->surface_commit);
sway_layer->destroy.notify = handle_destroy;
wl_signal_add(&layer_surface->events.destroy, &sway_layer->destroy);
sway_layer->map.notify = handle_map;
wl_signal_add(&layer_surface->surface->events.map, &sway_layer->map);
sway_layer->unmap.notify = handle_unmap;
wl_signal_add(&layer_surface->surface->events.unmap, &sway_layer->unmap);
sway_layer->new_popup.notify = handle_new_popup;
wl_signal_add(&layer_surface->events.new_popup, &sway_layer->new_popup);
sway_layer->new_subsurface.notify = handle_new_subsurface;
wl_signal_add(&layer_surface->surface->events.new_subsurface,
&sway_layer->new_subsurface);
sway_layer->layer_surface = layer_surface;
layer_surface->data = sway_layer;
sway_log(SWAY_ERROR, "Could not allocate a sway_layer_surface");
return;
}
struct sway_output *output = layer_surface->output->data;
sway_layer->output_destroy.notify = handle_output_destroy;
wl_signal_add(&output->events.disable, &sway_layer->output_destroy);
if (!scene_descriptor_assign(&scene_surface->tree->node,
SWAY_SCENE_DESC_LAYER_SHELL, surface)) {
sway_log(SWAY_ERROR, "Failed to allocate a layer surface descriptor");
// destroying the layer_surface will also destroy its corresponding
// scene node
wlr_layer_surface_v1_destroy(layer_surface);
return;
}
wl_list_insert(&output->shell_layers[layer_surface->pending.layer],
&sway_layer->link);
surface->output = output;
surface->surface_commit.notify = handle_surface_commit;
wl_signal_add(&layer_surface->surface->events.commit,
&surface->surface_commit);
surface->map.notify = handle_map;
wl_signal_add(&layer_surface->surface->events.map, &surface->map);
surface->unmap.notify = handle_unmap;
wl_signal_add(&layer_surface->surface->events.unmap, &surface->unmap);
surface->new_popup.notify = handle_new_popup;
wl_signal_add(&layer_surface->events.new_popup, &surface->new_popup);
surface->output_destroy.notify = handle_output_destroy;
wl_signal_add(&output->events.disable, &surface->output_destroy);
surface->node_destroy.notify = handle_node_destroy;
wl_signal_add(&scene_surface->tree->node.events.destroy, &surface->node_destroy);
}

85
sway/desktop/output.c
Unescape View File

@ -182,66 +182,6 @@ void output_view_for_each_popup_surface(struct sway_output *output,
view_for_each_popup_surface(view, output_for_each_surface_iterator, &data);
}
void output_layer_for_each_surface(struct sway_output *output,
struct wl_list *layer_surfaces, sway_surface_iterator_func_t iterator,
void *user_data) {
struct sway_layer_surface *layer_surface;
wl_list_for_each(layer_surface, layer_surfaces, link) {
struct wlr_layer_surface_v1 *wlr_layer_surface_v1 =
layer_surface->layer_surface;
struct wlr_surface *surface = wlr_layer_surface_v1->surface;
struct surface_iterator_data data = {
.user_iterator = iterator,
.user_data = user_data,
.output = output,
.view = NULL,
.ox = layer_surface->geo.x,
.oy = layer_surface->geo.y,
.width = surface->current.width,
.height = surface->current.height,
};
wlr_layer_surface_v1_for_each_surface(wlr_layer_surface_v1,
output_for_each_surface_iterator, &data);
}
}
void output_layer_for_each_toplevel_surface(struct sway_output *output,
struct wl_list *layer_surfaces, sway_surface_iterator_func_t iterator,
void *user_data) {
struct sway_layer_surface *layer_surface;
wl_list_for_each(layer_surface, layer_surfaces, link) {
struct wlr_layer_surface_v1 *wlr_layer_surface_v1 =
layer_surface->layer_surface;
output_surface_for_each_surface(output, wlr_layer_surface_v1->surface,
layer_surface->geo.x, layer_surface->geo.y, iterator,
user_data);
}
}
void output_layer_for_each_popup_surface(struct sway_output *output,
struct wl_list *layer_surfaces, sway_surface_iterator_func_t iterator,
void *user_data) {
struct sway_layer_surface *layer_surface;
wl_list_for_each(layer_surface, layer_surfaces, link) {
struct wlr_layer_surface_v1 *wlr_layer_surface_v1 =
layer_surface->layer_surface;
struct wlr_surface *surface = wlr_layer_surface_v1->surface;
struct surface_iterator_data data = {
.user_iterator = iterator,
.user_data = user_data,
.output = output,
.view = NULL,
.ox = layer_surface->geo.x,
.oy = layer_surface->geo.y,
.width = surface->current.width,
.height = surface->current.height,
};
wlr_layer_surface_v1_for_each_popup_surface(wlr_layer_surface_v1,
output_for_each_surface_iterator, &data);
}
}
#if HAVE_XWAYLAND
void output_unmanaged_for_each_surface(struct sway_output *output,
struct wl_list *unmanaged, sway_surface_iterator_func_t iterator,
@ -282,31 +222,6 @@ struct sway_workspace *output_get_active_workspace(struct sway_output *output) {
return focus->sway_workspace;
}
bool output_has_opaque_overlay_layer_surface(struct sway_output *output) {
struct sway_layer_surface *sway_layer_surface;
wl_list_for_each(sway_layer_surface,
&output->shell_layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY], link) {
struct wlr_surface *wlr_surface = sway_layer_surface->layer_surface->surface;
pixman_box32_t output_box = {
.x2 = output->width,
.y2 = output->height,
};
pixman_region32_t surface_opaque_box;
pixman_region32_init(&surface_opaque_box);
pixman_region32_copy(&surface_opaque_box, &wlr_surface->opaque_region);
pixman_region32_translate(&surface_opaque_box,
sway_layer_surface->geo.x, sway_layer_surface->geo.y);
pixman_region_overlap_t contains =
pixman_region32_contains_rectangle(&surface_opaque_box, &output_box);
pixman_region32_fini(&surface_opaque_box);
if (contains == PIXMAN_REGION_IN) {
return true;
}
}
return false;
}
struct send_frame_done_data {
struct timespec when;
int msec_until_refresh;

6
sway/input/cursor.c
Unescape View File

@ -94,6 +94,12 @@ struct sway_node *node_at_coords(
}
}
if (scene_descriptor_try_get(current, SWAY_SCENE_DESC_LAYER_SHELL)) {
// We don't want to feed through the current workspace on
// layer shells
return NULL;
}
if (!current->parent) {
break;
}

13
sway/tree/output.c
Unescape View File

@ -93,8 +93,12 @@ static void destroy_scene_layers(struct sway_output *output) {
scene_node_disown_children(output->layers.tiling);
scene_node_disown_children(output->layers.fullscreen);
wlr_scene_node_destroy(&output->layers.shell_background->node);
wlr_scene_node_destroy(&output->layers.shell_bottom->node);
wlr_scene_node_destroy(&output->layers.tiling->node);
wlr_scene_node_destroy(&output->layers.fullscreen->node);
wlr_scene_node_destroy(&output->layers.shell_top->node);
wlr_scene_node_destroy(&output->layers.shell_overlay->node);
wlr_scene_node_destroy(&output->layers.session_lock->node);
}
@ -103,8 +107,12 @@ struct sway_output *output_create(struct wlr_output *wlr_output) {
node_init(&output->node, N_OUTPUT, output);
bool failed = false;
output->layers.shell_background = alloc_scene_tree(root->staging, &failed);
output->layers.shell_bottom = alloc_scene_tree(root->staging, &failed);
output->layers.tiling = alloc_scene_tree(root->staging, &failed);
output->layers.fullscreen = alloc_scene_tree(root->staging, &failed);
output->layers.shell_top = alloc_scene_tree(root->staging, &failed);
output->layers.shell_overlay = alloc_scene_tree(root->staging, &failed);
output->layers.session_lock = alloc_scene_tree(root->staging, &failed);
if (!failed) {
@ -136,11 +144,6 @@ struct sway_output *output_create(struct wlr_output *wlr_output) {
output->workspaces = create_list();
output->current.workspaces = create_list();
size_t len = sizeof(output->shell_layers) / sizeof(output->shell_layers[0]);
for (size_t i = 0; i < len; ++i) {
wl_list_init(&output->shell_layers[i]);
}
return output;
}

5
sway/tree/root.c
Unescape View File

@ -47,10 +47,15 @@ struct sway_root *root_create(struct wl_display *wl_display) {
root->staging = alloc_scene_tree(&root_scene->tree, &failed);
root->layer_tree = alloc_scene_tree(&root_scene->tree, &failed);
root->layers.shell_background = alloc_scene_tree(root->layer_tree, &failed);
root->layers.shell_bottom = alloc_scene_tree(root->layer_tree, &failed);
root->layers.tiling = alloc_scene_tree(root->layer_tree, &failed);
root->layers.floating = alloc_scene_tree(root->layer_tree, &failed);
root->layers.shell_top = alloc_scene_tree(root->layer_tree, &failed);
root->layers.fullscreen = alloc_scene_tree(root->layer_tree, &failed);
root->layers.fullscreen_global = alloc_scene_tree(root->layer_tree, &failed);
root->layers.shell_overlay = alloc_scene_tree(root->layer_tree, &failed);
root->layers.popup = alloc_scene_tree(root->layer_tree, &failed);
root->layers.seat = alloc_scene_tree(root->layer_tree, &failed);
root->layers.session_lock = alloc_scene_tree(root->layer_tree, &failed);

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