This is a fork of https://github.com/swaywm/sway that replaces pango with https://codeberg.org/dnkl/fcft for font rendering. Note: do not use the master branch; use one of the fontconfig branches
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#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <stdlib.h>
#include <strings.h>
#include <time.h>
#include <wayland-server-core.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_buffer.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/types/wlr_output_damage.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_presentation_time.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/util/region.h>
#include "config.h"
#include "log.h"
#include "sway/config.h"
#include "sway/desktop/transaction.h"
#include "sway/input/input-manager.h"
#include "sway/input/seat.h"
#include "sway/layers.h"
#include "sway/output.h"
#include "sway/server.h"
#include "sway/surface.h"
#include "sway/tree/arrange.h"
#include "sway/tree/container.h"
#include "sway/tree/root.h"
#include "sway/tree/view.h"
#include "sway/tree/workspace.h"
struct sway_output *output_by_name_or_id(const char *name_or_id) {
for (int i = 0; i < root->outputs->length; ++i) {
struct sway_output *output = root->outputs->items[i];
char identifier[128];
output_get_identifier(identifier, sizeof(identifier), output);
if (strcasecmp(identifier, name_or_id) == 0
|| strcasecmp(output->wlr_output->name, name_or_id) == 0) {
return output;
}
}
return NULL;
}
struct sway_output *all_output_by_name_or_id(const char *name_or_id) {
struct sway_output *output;
wl_list_for_each(output, &root->all_outputs, link) {
char identifier[128];
output_get_identifier(identifier, sizeof(identifier), output);
if (strcasecmp(identifier, name_or_id) == 0
|| strcasecmp(output->wlr_output->name, name_or_id) == 0) {
return output;
}
}
return NULL;
}
struct surface_iterator_data {
sway_surface_iterator_func_t user_iterator;
void *user_data;
struct sway_output *output;
struct sway_view *view;
double ox, oy;
int width, height;
};
static bool get_surface_box(struct surface_iterator_data *data,
struct wlr_surface *surface, int sx, int sy,
struct wlr_box *surface_box) {
struct sway_output *output = data->output;
if (!wlr_surface_has_buffer(surface)) {
return false;
}
int sw = surface->current.width;
int sh = surface->current.height;
struct wlr_box box = {
.x = floor(data->ox + sx),
.y = floor(data->oy + sy),
.width = sw,
.height = sh,
};
if (surface_box != NULL) {
memcpy(surface_box, &box, sizeof(struct wlr_box));
}
struct wlr_box output_box = {
.width = output->width,
.height = output->height,
};
struct wlr_box intersection;
return wlr_box_intersection(&intersection, &output_box, &box);
}
static void output_for_each_surface_iterator(struct wlr_surface *surface,
int sx, int sy, void *_data) {
struct surface_iterator_data *data = _data;
struct wlr_box box;
bool intersects = get_surface_box(data, surface, sx, sy, &box);
if (!intersects) {
return;
}
data->user_iterator(data->output, data->view, surface, &box,
data->user_data);
}
void output_surface_for_each_surface(struct sway_output *output,
struct wlr_surface *surface, double ox, double oy,
sway_surface_iterator_func_t iterator, void *user_data) {
struct surface_iterator_data data = {
.user_iterator = iterator,
.user_data = user_data,
.output = output,
.view = NULL,
.ox = ox,
.oy = oy,
.width = surface->current.width,
.height = surface->current.height,
};
wlr_surface_for_each_surface(surface,
output_for_each_surface_iterator, &data);
}
void output_view_for_each_surface(struct sway_output *output,
struct sway_view *view, sway_surface_iterator_func_t iterator,
void *user_data) {
struct surface_iterator_data data = {
.user_iterator = iterator,
.user_data = user_data,
.output = output,
.view = view,
.ox = view->container->surface_x - output->lx
- view->geometry.x,
.oy = view->container->surface_y - output->ly
- view->geometry.y,
.width = view->container->current.content_width,
.height = view->container->current.content_height,
};
view_for_each_surface(view, output_for_each_surface_iterator, &data);
}
void output_view_for_each_popup_surface(struct sway_output *output,
struct sway_view *view, sway_surface_iterator_func_t iterator,
void *user_data) {
struct surface_iterator_data data = {
.user_iterator = iterator,
.user_data = user_data,
.output = output,
.view = view,
.ox = view->container->surface_x - output->lx
- view->geometry.x,
.oy = view->container->surface_y - output->ly
- view->geometry.y,
.width = view->container->current.content_width,
.height = view->container->current.content_height,
};
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,
void *user_data) {
struct sway_xwayland_unmanaged *unmanaged_surface;
wl_list_for_each(unmanaged_surface, unmanaged, link) {
struct wlr_xwayland_surface *xsurface =
unmanaged_surface->wlr_xwayland_surface;
double ox = unmanaged_surface->lx - output->lx;
double oy = unmanaged_surface->ly - output->ly;
output_surface_for_each_surface(output, xsurface->surface, ox, oy,
iterator, user_data);
}
}
#endif
void output_drag_icons_for_each_surface(struct sway_output *output,
struct wl_list *drag_icons, sway_surface_iterator_func_t iterator,
void *user_data) {
struct sway_drag_icon *drag_icon;
wl_list_for_each(drag_icon, drag_icons, link) {
double ox = drag_icon->x - output->lx;
double oy = drag_icon->y - output->ly;
if (drag_icon->wlr_drag_icon->mapped) {
output_surface_for_each_surface(output,
drag_icon->wlr_drag_icon->surface, ox, oy,
iterator, user_data);
}
}
}
static void for_each_surface_container_iterator(struct sway_container *con,
void *_data) {
if (!con->view || !view_is_visible(con->view)) {
return;
}
struct surface_iterator_data *data = _data;
output_view_for_each_surface(data->output, con->view,
data->user_iterator, data->user_data);
}
static void output_for_each_surface(struct sway_output *output,
sway_surface_iterator_func_t iterator, void *user_data) {
if (output_has_opaque_overlay_layer_surface(output)) {
goto overlay;
}
struct surface_iterator_data data = {
.user_iterator = iterator,
.user_data = user_data,
.output = output,
.view = NULL,
};
struct sway_workspace *workspace = output_get_active_workspace(output);
struct sway_container *fullscreen_con = root->fullscreen_global;
if (!fullscreen_con) {
if (!workspace) {
return;
}
fullscreen_con = workspace->current.fullscreen;
}
if (fullscreen_con) {
for_each_surface_container_iterator(fullscreen_con, &data);
container_for_each_child(fullscreen_con,
for_each_surface_container_iterator, &data);
// TODO: Show transient containers for fullscreen global
if (fullscreen_con == workspace->current.fullscreen) {
for (int i = 0; i < workspace->current.floating->length; ++i) {
struct sway_container *floater =
workspace->current.floating->items[i];
if (container_is_transient_for(floater, fullscreen_con)) {
for_each_surface_container_iterator(floater, &data);
}
}
}
#if HAVE_XWAYLAND
output_unmanaged_for_each_surface(output, &root->xwayland_unmanaged,
iterator, user_data);
#endif
} else {
output_layer_for_each_surface(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
iterator, user_data);
output_layer_for_each_surface(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
iterator, user_data);
workspace_for_each_container(workspace,
for_each_surface_container_iterator, &data);
#if HAVE_XWAYLAND
output_unmanaged_for_each_surface(output, &root->xwayland_unmanaged,
iterator, user_data);
#endif
output_layer_for_each_surface(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
iterator, user_data);
}
overlay:
output_layer_for_each_surface(output,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
iterator, user_data);
output_drag_icons_for_each_surface(output, &root->drag_icons,
iterator, user_data);
}
static int scale_length(int length, int offset, float scale) {
return round((offset + length) * scale) - round(offset * scale);
}
void scale_box(struct wlr_box *box, float scale) {
box->width = scale_length(box->width, box->x, scale);
box->height = scale_length(box->height, box->y, scale);
box->x = round(box->x * scale);
box->y = round(box->y * scale);
}
struct sway_workspace *output_get_active_workspace(struct sway_output *output) {
struct sway_seat *seat = input_manager_current_seat();
struct sway_node *focus = seat_get_active_tiling_child(seat, &output->node);
if (!focus) {
if (!output->workspaces->length) {
return NULL;
}
return output->workspaces->items[0];
}
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->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;
};
static void send_frame_done_iterator(struct sway_output *output,
struct sway_view *view, struct wlr_surface *surface,
struct wlr_box *box, void *user_data) {
int view_max_render_time = 0;
if (view != NULL) {
view_max_render_time = view->max_render_time;
}
struct send_frame_done_data *data = user_data;
int delay = data->msec_until_refresh - output->max_render_time
- view_max_render_time;
if (output->max_render_time == 0 || view_max_render_time == 0 || delay < 1) {
wlr_surface_send_frame_done(surface, &data->when);
} else {
struct sway_surface *sway_surface = surface->data;
wl_event_source_timer_update(sway_surface->frame_done_timer, delay);
}
}
static void send_frame_done(struct sway_output *output, struct send_frame_done_data *data) {
output_for_each_surface(output, send_frame_done_iterator, data);
}
static void count_surface_iterator(struct sway_output *output,
struct sway_view *view, struct wlr_surface *surface,
struct wlr_box *box, void *data) {
size_t *n = data;
(*n)++;
}
static bool scan_out_fullscreen_view(struct sway_output *output,
struct sway_view *view) {
struct wlr_output *wlr_output = output->wlr_output;
struct sway_workspace *workspace = output->current.active_workspace;
if (!sway_assert(workspace, "Expected an active workspace")) {
return false;
}
if (!wl_list_empty(&view->saved_buffers)) {
return false;
}
for (int i = 0; i < workspace->current.floating->length; ++i) {
struct sway_container *floater =
workspace->current.floating->items[i];
if (container_is_transient_for(floater, view->container)) {
return false;
}
}
#if HAVE_XWAYLAND
if (!wl_list_empty(&root->xwayland_unmanaged)) {
return false;
}
#endif
if (!wl_list_empty(&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY])) {
return false;
}
if (!wl_list_empty(&root->drag_icons)) {
return false;
}
struct wlr_surface *surface = view->surface;
if (surface == NULL) {
return false;
}
size_t n_surfaces = 0;
output_view_for_each_surface(output, view,
count_surface_iterator, &n_surfaces);
if (n_surfaces != 1) {
return false;
}
if (surface->buffer == NULL) {
return false;
}
if ((float)surface->current.scale != wlr_output->scale ||
surface->current.transform != wlr_output->transform) {
return false;
}
wlr_output_attach_buffer(wlr_output, &surface->buffer->base);
if (!wlr_output_test(wlr_output)) {
return false;
}
wlr_presentation_surface_sampled_on_output(server.presentation, surface,
wlr_output);
return wlr_output_commit(wlr_output);
}
static int output_repaint_timer_handler(void *data) {
struct sway_output *output = data;
if (output->wlr_output == NULL) {
return 0;
}
output->wlr_output->frame_pending = false;
struct sway_workspace *workspace = output->current.active_workspace;
if (workspace == NULL) {
return 0;
}
struct sway_container *fullscreen_con = root->fullscreen_global;
if (!fullscreen_con) {
fullscreen_con = workspace->current.fullscreen;
}
if (fullscreen_con && fullscreen_con->view) {
// Try to scan-out the fullscreen view
static bool last_scanned_out = false;
bool scanned_out =
scan_out_fullscreen_view(output, fullscreen_con->view);
if (scanned_out && !last_scanned_out) {
sway_log(SWAY_DEBUG, "Scanning out fullscreen view on %s",
output->wlr_output->name);
}
if (last_scanned_out && !scanned_out) {
sway_log(SWAY_DEBUG, "Stopping fullscreen view scan out on %s",
output->wlr_output->name);
output_damage_whole(output);
}
last_scanned_out = scanned_out;
if (scanned_out) {
return 0;
}
}
bool needs_frame;
pixman_region32_t damage;
pixman_region32_init(&damage);
if (!wlr_output_damage_attach_render(output->damage,
&needs_frame, &damage)) {
return 0;
}
if (needs_frame) {
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
output_render(output, &now, &damage);
} else {
wlr_output_rollback(output->wlr_output);
}
pixman_region32_fini(&damage);
return 0;
}
static void damage_handle_frame(struct wl_listener *listener, void *user_data) {
struct sway_output *output =
wl_container_of(listener, output, damage_frame);
if (!output->enabled || !output->wlr_output->enabled) {
return;
}
// Compute predicted milliseconds until the next refresh. It's used for
// delaying both output rendering and surface frame callbacks.
int msec_until_refresh = 0;
if (output->max_render_time != 0) {
struct timespec now;
clockid_t presentation_clock
= wlr_backend_get_presentation_clock(server.backend);
clock_gettime(presentation_clock, &now);
const long NSEC_IN_SECONDS = 1000000000;
struct timespec predicted_refresh = output->last_presentation;
predicted_refresh.tv_nsec += output->refresh_nsec % NSEC_IN_SECONDS;
predicted_refresh.tv_sec += output->refresh_nsec / NSEC_IN_SECONDS;
if (predicted_refresh.tv_nsec >= NSEC_IN_SECONDS) {
predicted_refresh.tv_sec += 1;
predicted_refresh.tv_nsec -= NSEC_IN_SECONDS;
}
// If the predicted refresh time is before the current time then
// there's no point in delaying.
//
// We only check tv_sec because if the predicted refresh time is less
// than a second before the current time, then msec_until_refresh will
// end up slightly below zero, which will effectively disable the delay
// without potential disastrous negative overflows that could occur if
// tv_sec was not checked.
if (predicted_refresh.tv_sec >= now.tv_sec) {
long nsec_until_refresh
= (predicted_refresh.tv_sec - now.tv_sec) * NSEC_IN_SECONDS
+ (predicted_refresh.tv_nsec - now.tv_nsec);
// We want msec_until_refresh to be conservative, that is, floored.
// If we have 7.9 msec until refresh, we better compute the delay
// as if we had only 7 msec, so that we don't accidentally delay
// more than necessary and miss a frame.
msec_until_refresh = nsec_until_refresh / 1000000;
}
}
int delay = msec_until_refresh - output->max_render_time;
// If the delay is less than 1 millisecond (which is the least we can wait)
// then just render right away.
if (delay < 1) {
output_repaint_timer_handler(output);
} else {
output->wlr_output->frame_pending = true;
wl_event_source_timer_update(output->repaint_timer, delay);
}
// Send frame done to all visible surfaces
struct send_frame_done_data data = {0};
clock_gettime(CLOCK_MONOTONIC, &data.when);
data.msec_until_refresh = msec_until_refresh;
send_frame_done(output, &data);
}
void output_damage_whole(struct sway_output *output) {
// The output can exist with no wlr_output if it's just been disconnected
// and the transaction to evacuate it has't completed yet.
if (output && output->wlr_output && output->damage) {
wlr_output_damage_add_whole(output->damage);
}
}
static void damage_surface_iterator(struct sway_output *output,
struct sway_view *view, struct wlr_surface *surface,
struct wlr_box *_box, void *_data) {
bool *data = _data;
bool whole = *data;
struct wlr_box box = *_box;
scale_box(&box, output->wlr_output->scale);
if (pixman_region32_not_empty(&surface->buffer_damage)) {
pixman_region32_t damage;
pixman_region32_init(&damage);
wlr_surface_get_effective_damage(surface, &damage);
wlr_region_scale(&damage, &damage, output->wlr_output->scale);
if (ceil(output->wlr_output->scale) > surface->current.scale) {
// When scaling up a surface, it'll become blurry so we need to
// expand the damage region
wlr_region_expand(&damage, &damage,
ceil(output->wlr_output->scale) - surface->current.scale);
}
pixman_region32_translate(&damage, box.x, box.y);
wlr_output_damage_add(output->damage, &damage);
pixman_region32_fini(&damage);
}
if (whole) {
wlr_output_damage_add_box(output->damage, &box);
}
if (!wl_list_empty(&surface->current.frame_callback_list)) {
wlr_output_schedule_frame(output->wlr_output);
}
}
void output_damage_surface(struct sway_output *output, double ox, double oy,
struct wlr_surface *surface, bool whole) {
output_surface_for_each_surface(output, surface, ox, oy,
damage_surface_iterator, &whole);
}
void output_damage_from_view(struct sway_output *output,
struct sway_view *view) {
if (!view_is_visible(view)) {
return;
}
bool whole = false;
output_view_for_each_surface(output, view, damage_surface_iterator, &whole);
}
// Expecting an unscaled box in layout coordinates
void output_damage_box(struct sway_output *output, struct wlr_box *_box) {
struct wlr_box box;
memcpy(&box, _box, sizeof(struct wlr_box));
box.x -= output->lx;
box.y -= output->ly;
scale_box(&box, output->wlr_output->scale);
wlr_output_damage_add_box(output->damage, &box);
}
static void damage_child_views_iterator(struct sway_container *con,
void *data) {
if (!con->view || !view_is_visible(con->view)) {
return;
}
struct sway_output *output = data;
bool whole = true;
output_view_for_each_surface(output, con->view, damage_surface_iterator,
&whole);
}
void output_damage_whole_container(struct sway_output *output,
struct sway_container *con) {
// Pad the box by 1px, because the width is a double and might be a fraction
struct wlr_box box = {
.x = con->current.x - output->lx - 1,
.y = con->current.y - output->ly - 1,
.width = con->current.width + 2,
.height = con->current.height + 2,
};
scale_box(&box, output->wlr_output->scale);
wlr_output_damage_add_box(output->damage, &box);
// Damage subsurfaces as well, which may extend outside the box
if (con->view) {
damage_child_views_iterator(con, output);
} else {
container_for_each_child(con, damage_child_views_iterator, output);
}
}
static void damage_handle_destroy(struct wl_listener *listener, void *data) {
struct sway_output *output =
wl_container_of(listener, output, damage_destroy);
if (!output->enabled) {
return;
}
output_disable(output);
wl_list_remove(&output->damage_destroy.link);
wl_list_remove(&output->damage_frame.link);
transaction_commit_dirty();
}
static void update_output_manager_config(struct sway_server *server) {
struct wlr_output_configuration_v1 *config =
wlr_output_configuration_v1_create();
struct sway_output *output;
wl_list_for_each(output, &root->all_outputs, link) {
if (output == root->noop_output) {
continue;
}
struct wlr_output_configuration_head_v1 *config_head =
wlr_output_configuration_head_v1_create(config, output->wlr_output);
struct wlr_box *output_box = wlr_output_layout_get_box(
root->output_layout, output->wlr_output);
// We mark the output enabled even if it is switched off by DPMS
config_head->state.enabled = output->current_mode != NULL && output->enabled;
config_head->state.mode = output->current_mode;
if (output_box) {
config_head->state.x = output_box->x;
config_head->state.y = output_box->y;
}
}
wlr_output_manager_v1_set_configuration(server->output_manager_v1, config);
}
static void handle_destroy(struct wl_listener *listener, void *data) {
struct sway_output *output = wl_container_of(listener, output, destroy);
struct sway_server *server = output->server;
wl_signal_emit(&output->events.destroy, output);
if (output->enabled) {
output_disable(output);
}
output_begin_destroy(output);
wl_list_remove(&output->destroy.link);
wl_list_remove(&output->commit.link);
wl_list_remove(&output->mode.link);
wl_list_remove(&output->present.link);
transaction_commit_dirty();
update_output_manager_config(server);
}
static void handle_mode(struct wl_listener *listener, void *data) {
struct sway_output *output = wl_container_of(listener, output, mode);
if (!output->enabled && !output->enabling) {
struct output_config *oc = find_output_config(output);
if (output->wlr_output->current_mode != NULL &&
(!oc || oc->enabled)) {
// We want to enable this output, but it didn't work last time,
// possibly because we hadn't enough CRTCs. Try again now that the
// output has a mode.
sway_log(SWAY_DEBUG, "Output %s has gained a CRTC, "
"trying to enable it", output->wlr_output->name);
apply_output_config(oc, output);
}
return;
}
if (!output->enabled) {
return;
}
arrange_layers(output);
arrange_output(output);
transaction_commit_dirty();
update_output_manager_config(output->server);
}
static void update_textures(struct sway_container *con, void *data) {
container_update_title_textures(con);
container_update_marks_textures(con);
}
static void handle_commit(struct wl_listener *listener, void *data) {
struct sway_output *output = wl_container_of(listener, output, commit);
struct wlr_output_event_commit *event = data;
if (!output->enabled) {
return;
}
if (event->committed & WLR_OUTPUT_STATE_SCALE) {
output_for_each_container(output, update_textures, NULL);
}
if (event->committed & (WLR_OUTPUT_STATE_TRANSFORM | WLR_OUTPUT_STATE_SCALE)) {
arrange_layers(output);
arrange_output(output);
transaction_commit_dirty();
update_output_manager_config(output->server);
}
}
static void handle_present(struct wl_listener *listener, void *data) {
struct sway_output *output = wl_container_of(listener, output, present);
struct wlr_output_event_present *output_event = data;
if (!output->enabled) {
return;
}
output->last_presentation = *output_event->when;
output->refresh_nsec = output_event->refresh;
}
void handle_new_output(struct wl_listener *listener, void *data) {
struct sway_server *server = wl_container_of(listener, server, new_output);
struct wlr_output *wlr_output = data;
sway_log(SWAY_DEBUG, "New output %p: %s", wlr_output, wlr_output->name);
struct sway_output *output = output_create(wlr_output);
if (!output) {
return;
}
output->server = server;
output->damage = wlr_output_damage_create(wlr_output);
wl_signal_add(&wlr_output->events.destroy, &output->destroy);
output->destroy.notify = handle_destroy;
wl_signal_add(&wlr_output->events.commit, &output->commit);
output->commit.notify = handle_commit;
wl_signal_add(&wlr_output->events.mode, &output->mode);
output->mode.notify = handle_mode;
wl_signal_add(&wlr_output->events.present, &output->present);
output->present.notify = handle_present;
wl_signal_add(&output->damage->events.frame, &output->damage_frame);
output->damage_frame.notify = damage_handle_frame;
wl_signal_add(&output->damage->events.destroy, &output->damage_destroy);
output->damage_destroy.notify = damage_handle_destroy;
output->repaint_timer = wl_event_loop_add_timer(server->wl_event_loop,
output_repaint_timer_handler, output);
struct output_config *oc = find_output_config(output);
apply_output_config(oc, output);
free_output_config(oc);
transaction_commit_dirty();
update_output_manager_config(server);
}
void handle_output_layout_change(struct wl_listener *listener,
void *data) {
struct sway_server *server =
wl_container_of(listener, server, output_layout_change);
update_output_manager_config(server);
}
static void output_manager_apply(struct sway_server *server,
struct wlr_output_configuration_v1 *config, bool test_only) {
// TODO: perform atomic tests on the whole backend atomically
struct wlr_output_configuration_head_v1 *config_head;
// First disable outputs we need to disable
bool ok = true;
wl_list_for_each(config_head, &config->heads, link) {
struct wlr_output *wlr_output = config_head->state.output;
struct sway_output *output = wlr_output->data;
if (!output->enabled || config_head->state.enabled) {
continue;
}
struct output_config *oc = new_output_config(output->wlr_output->name);
oc->enabled = false;
if (test_only) {
ok &= test_output_config(oc, output);
} else {
oc = store_output_config(oc);
ok &= apply_output_config(oc, output);
}
}
// Then enable outputs that need to
wl_list_for_each(config_head, &config->heads, link) {
struct wlr_output *wlr_output = config_head->state.output;
struct sway_output *output = wlr_output->data;
if (!config_head->state.enabled) {
continue;
}
struct output_config *oc = new_output_config(output->wlr_output->name);
oc->enabled = true;
if (config_head->state.mode != NULL) {
struct wlr_output_mode *mode = config_head->state.mode;
oc->width = mode->width;
oc->height = mode->height;
oc->refresh_rate = mode->refresh / 1000.f;
} else {
oc->width = config_head->state.custom_mode.width;
oc->height = config_head->state.custom_mode.height;
oc->refresh_rate =
config_head->state.custom_mode.refresh / 1000.f;
}
oc->x = config_head->state.x;
oc->y = config_head->state.y;
oc->transform = config_head->state.transform;
oc->scale = config_head->state.scale;
if (test_only) {
ok &= test_output_config(oc, output);
} else {
oc = store_output_config(oc);
ok &= apply_output_config(oc, output);
}
}
if (ok) {
wlr_output_configuration_v1_send_succeeded(config);
} else {
wlr_output_configuration_v1_send_failed(config);
}
wlr_output_configuration_v1_destroy(config);
if (!test_only) {
update_output_manager_config(server);
}
}
void handle_output_manager_apply(struct wl_listener *listener, void *data) {
struct sway_server *server =
wl_container_of(listener, server, output_manager_apply);
struct wlr_output_configuration_v1 *config = data;
output_manager_apply(server, config, false);
}
void handle_output_manager_test(struct wl_listener *listener, void *data) {
struct sway_server *server =
wl_container_of(listener, server, output_manager_test);
struct wlr_output_configuration_v1 *config = data;
output_manager_apply(server, config, true);
}
void handle_output_power_manager_set_mode(struct wl_listener *listener,
void *data) {
struct wlr_output_power_v1_set_mode_event *event = data;
struct sway_output *output = event->output->data;
struct output_config *oc = new_output_config(output->wlr_output->name);
switch (event->mode) {
case ZWLR_OUTPUT_POWER_V1_MODE_OFF:
oc->dpms_state = DPMS_OFF;
break;
case ZWLR_OUTPUT_POWER_V1_MODE_ON:
oc->dpms_state = DPMS_ON;
break;
}
oc = store_output_config(oc);
apply_output_config(oc, output);
}