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577 lines
17 KiB
577 lines
17 KiB
#define _POSIX_C_SOURCE 200809L
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#include <assert.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <time.h>
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#include <wayland-server.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_buffer.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/types/wlr_output_damage.h>
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#include <wlr/types/wlr_output_layout.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/util/region.h>
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#include "log.h"
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#include "config.h"
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#include "sway/config.h"
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#include "sway/desktop/transaction.h"
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#include "sway/input/input-manager.h"
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#include "sway/input/seat.h"
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#include "sway/layers.h"
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#include "sway/output.h"
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#include "sway/server.h"
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#include "sway/tree/arrange.h"
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#include "sway/tree/container.h"
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#include "sway/tree/root.h"
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#include "sway/tree/view.h"
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#include "sway/tree/workspace.h"
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struct sway_output *output_by_name(const char *name) {
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for (int i = 0; i < root->outputs->length; ++i) {
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struct sway_output *output = root->outputs->items[i];
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if (strcasecmp(output->wlr_output->name, name) == 0) {
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return output;
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}
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}
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return NULL;
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}
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/**
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* Rotate a child's position relative to a parent. The parent size is (pw, ph),
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* the child position is (*sx, *sy) and its size is (sw, sh).
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*/
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static void rotate_child_position(double *sx, double *sy, double sw, double sh,
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double pw, double ph, float rotation) {
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if (rotation == 0.0f) {
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return;
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}
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// Coordinates relative to the center of the subsurface
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double ox = *sx - pw/2 + sw/2,
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oy = *sy - ph/2 + sh/2;
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// Rotated coordinates
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double rx = cos(-rotation)*ox - sin(-rotation)*oy,
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ry = cos(-rotation)*oy + sin(-rotation)*ox;
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*sx = rx + pw/2 - sw/2;
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*sy = ry + ph/2 - sh/2;
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}
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struct surface_iterator_data {
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sway_surface_iterator_func_t user_iterator;
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void *user_data;
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struct sway_output *output;
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double ox, oy;
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int width, height;
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float rotation;
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};
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static bool get_surface_box(struct surface_iterator_data *data,
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struct wlr_surface *surface, int sx, int sy,
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struct wlr_box *surface_box) {
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struct sway_output *output = data->output;
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if (!wlr_surface_has_buffer(surface)) {
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return false;
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}
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int sw = surface->current.width;
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int sh = surface->current.height;
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double _sx = sx + surface->sx;
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double _sy = sy + surface->sy;
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rotate_child_position(&_sx, &_sy, sw, sh, data->width, data->height,
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data->rotation);
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struct wlr_box box = {
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.x = data->ox + _sx,
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.y = data->oy + _sy,
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.width = sw,
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.height = sh,
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};
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if (surface_box != NULL) {
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memcpy(surface_box, &box, sizeof(struct wlr_box));
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}
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struct wlr_box rotated_box;
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wlr_box_rotated_bounds(&box, data->rotation, &rotated_box);
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struct wlr_box output_box = {
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.width = output->width,
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.height = output->height,
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};
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struct wlr_box intersection;
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return wlr_box_intersection(&output_box, &rotated_box, &intersection);
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}
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static void output_for_each_surface_iterator(struct wlr_surface *surface,
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int sx, int sy, void *_data) {
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struct surface_iterator_data *data = _data;
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struct wlr_box box;
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bool intersects = get_surface_box(data, surface, sx, sy, &box);
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if (!intersects) {
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return;
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}
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data->user_iterator(data->output, surface, &box, data->rotation,
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data->user_data);
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}
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void output_surface_for_each_surface(struct sway_output *output,
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struct wlr_surface *surface, double ox, double oy,
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sway_surface_iterator_func_t iterator, void *user_data) {
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struct surface_iterator_data data = {
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.user_iterator = iterator,
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.user_data = user_data,
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.output = output,
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.ox = ox,
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.oy = oy,
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.width = surface->current.width,
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.height = surface->current.height,
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.rotation = 0,
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};
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wlr_surface_for_each_surface(surface,
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output_for_each_surface_iterator, &data);
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}
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void output_view_for_each_surface(struct sway_output *output,
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struct sway_view *view, sway_surface_iterator_func_t iterator,
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void *user_data) {
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struct surface_iterator_data data = {
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.user_iterator = iterator,
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.user_data = user_data,
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.output = output,
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.ox = view->container->current.view_x - output->wlr_output->lx
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- view->geometry.x,
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.oy = view->container->current.view_y - output->wlr_output->ly
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- view->geometry.y,
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.width = view->container->current.view_width,
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.height = view->container->current.view_height,
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.rotation = 0, // TODO
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};
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view_for_each_surface(view, output_for_each_surface_iterator, &data);
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}
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void output_view_for_each_popup(struct sway_output *output,
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struct sway_view *view, sway_surface_iterator_func_t iterator,
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void *user_data) {
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struct surface_iterator_data data = {
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.user_iterator = iterator,
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.user_data = user_data,
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.output = output,
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.ox = view->container->current.view_x - output->wlr_output->lx
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- view->geometry.x,
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.oy = view->container->current.view_y - output->wlr_output->ly
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- view->geometry.y,
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.width = view->container->current.view_width,
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.height = view->container->current.view_height,
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.rotation = 0, // TODO
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};
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view_for_each_popup(view, output_for_each_surface_iterator, &data);
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}
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void output_layer_for_each_surface(struct sway_output *output,
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struct wl_list *layer_surfaces, sway_surface_iterator_func_t iterator,
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void *user_data) {
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struct sway_layer_surface *layer_surface;
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wl_list_for_each(layer_surface, layer_surfaces, link) {
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struct wlr_layer_surface_v1 *wlr_layer_surface_v1 =
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layer_surface->layer_surface;
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output_surface_for_each_surface(output, wlr_layer_surface_v1->surface,
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layer_surface->geo.x, layer_surface->geo.y, iterator,
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user_data);
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}
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}
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#ifdef HAVE_XWAYLAND
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void output_unmanaged_for_each_surface(struct sway_output *output,
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struct wl_list *unmanaged, sway_surface_iterator_func_t iterator,
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void *user_data) {
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struct sway_xwayland_unmanaged *unmanaged_surface;
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wl_list_for_each(unmanaged_surface, unmanaged, link) {
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struct wlr_xwayland_surface *xsurface =
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unmanaged_surface->wlr_xwayland_surface;
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double ox = unmanaged_surface->lx - output->wlr_output->lx;
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double oy = unmanaged_surface->ly - output->wlr_output->ly;
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output_surface_for_each_surface(output, xsurface->surface, ox, oy,
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iterator, user_data);
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}
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}
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#endif
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void output_drag_icons_for_each_surface(struct sway_output *output,
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struct wl_list *drag_icons, sway_surface_iterator_func_t iterator,
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void *user_data) {
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struct sway_drag_icon *drag_icon;
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wl_list_for_each(drag_icon, drag_icons, link) {
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double ox = drag_icon->x - output->wlr_output->lx;
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double oy = drag_icon->y - output->wlr_output->ly;
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if (drag_icon->wlr_drag_icon->mapped) {
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output_surface_for_each_surface(output,
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drag_icon->wlr_drag_icon->surface, ox, oy,
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iterator, user_data);
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}
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}
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}
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static int scale_length(int length, int offset, float scale) {
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return round((offset + length) * scale) - round(offset * scale);
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}
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static void scale_box(struct wlr_box *box, float scale) {
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box->width = scale_length(box->width, box->x, scale);
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box->height = scale_length(box->height, box->y, scale);
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box->x = round(box->x * scale);
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box->y = round(box->y * scale);
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}
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struct sway_workspace *output_get_active_workspace(struct sway_output *output) {
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struct sway_seat *seat = input_manager_current_seat();
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struct sway_node *focus = seat_get_active_tiling_child(seat, &output->node);
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if (!focus) {
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return output->workspaces->items[0];
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}
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return focus->sway_workspace;
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}
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bool output_has_opaque_overlay_layer_surface(struct sway_output *output) {
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struct wlr_layer_surface_v1 *wlr_layer_surface_v1;
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wl_list_for_each(wlr_layer_surface_v1, &server.layer_shell->surfaces, link) {
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if (wlr_layer_surface_v1->output != output->wlr_output ||
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wlr_layer_surface_v1->layer != ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY) {
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continue;
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}
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struct wlr_surface *wlr_surface = wlr_layer_surface_v1->surface;
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struct sway_layer_surface *sway_layer_surface =
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layer_from_wlr_layer_surface_v1(wlr_layer_surface_v1);
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pixman_box32_t output_box = {
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.x2 = output->width,
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.y2 = output->height,
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};
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pixman_region32_t surface_opaque_box;
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pixman_region32_init(&surface_opaque_box);
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pixman_region32_copy(&surface_opaque_box, &wlr_surface->opaque_region);
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pixman_region32_translate(&surface_opaque_box,
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sway_layer_surface->geo.x, sway_layer_surface->geo.y);
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bool contains = pixman_region32_contains_rectangle(&surface_opaque_box,
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&output_box);
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pixman_region32_fini(&surface_opaque_box);
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if (contains) {
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return true;
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}
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}
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return false;
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}
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static void send_frame_done_iterator(struct sway_output *output,
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struct wlr_surface *surface, struct wlr_box *box, float rotation,
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void *_data) {
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struct timespec *when = _data;
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wlr_surface_send_frame_done(surface, when);
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}
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static void send_frame_done_layer(struct sway_output *output,
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struct wl_list *layer_surfaces, struct timespec *when) {
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output_layer_for_each_surface(output, layer_surfaces,
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send_frame_done_iterator, when);
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}
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#ifdef HAVE_XWAYLAND
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static void send_frame_done_unmanaged(struct sway_output *output,
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struct wl_list *unmanaged, struct timespec *when) {
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output_unmanaged_for_each_surface(output, unmanaged,
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send_frame_done_iterator, when);
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}
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#endif
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static void send_frame_done_drag_icons(struct sway_output *output,
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struct wl_list *drag_icons, struct timespec *when) {
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output_drag_icons_for_each_surface(output, drag_icons,
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send_frame_done_iterator, when);
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}
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struct send_frame_done_data {
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struct sway_output *output;
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struct timespec *when;
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};
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static void send_frame_done_container_iterator(struct sway_container *con,
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void *_data) {
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if (!con->view) {
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return;
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}
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if (!view_is_visible(con->view)) {
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return;
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}
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struct send_frame_done_data *data = _data;
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output_view_for_each_surface(data->output, con->view,
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send_frame_done_iterator, data->when);
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}
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static void send_frame_done(struct sway_output *output, struct timespec *when) {
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if (output_has_opaque_overlay_layer_surface(output)) {
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goto send_frame_overlay;
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}
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struct send_frame_done_data data = {
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.output = output,
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.when = when,
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};
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struct sway_workspace *workspace = output_get_active_workspace(output);
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if (workspace->current.fullscreen) {
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send_frame_done_container_iterator(
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workspace->current.fullscreen, &data);
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container_for_each_child(workspace->current.fullscreen,
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send_frame_done_container_iterator, &data);
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for (int i = 0; i < workspace->current.floating->length; ++i) {
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struct sway_container *floater =
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workspace->current.floating->items[i];
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if (container_is_transient_for(floater,
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workspace->current.fullscreen)) {
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send_frame_done_container_iterator(floater, &data);
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}
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}
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#ifdef HAVE_XWAYLAND
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send_frame_done_unmanaged(output, &root->xwayland_unmanaged, when);
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#endif
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} else {
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send_frame_done_layer(output,
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&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND], when);
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send_frame_done_layer(output,
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&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM], when);
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workspace_for_each_container(workspace,
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send_frame_done_container_iterator, &data);
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#ifdef HAVE_XWAYLAND
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send_frame_done_unmanaged(output, &root->xwayland_unmanaged, when);
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#endif
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send_frame_done_layer(output,
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&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP], when);
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}
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send_frame_overlay:
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send_frame_done_layer(output,
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&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY], when);
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send_frame_done_drag_icons(output, &root->drag_icons, when);
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}
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static void damage_handle_frame(struct wl_listener *listener, void *data) {
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struct sway_output *output =
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wl_container_of(listener, output, damage_frame);
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if (!output->wlr_output->enabled) {
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return;
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}
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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bool needs_swap;
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pixman_region32_t damage;
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pixman_region32_init(&damage);
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if (!wlr_output_damage_make_current(output->damage, &needs_swap, &damage)) {
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return;
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}
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if (needs_swap) {
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output_render(output, &now, &damage);
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}
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pixman_region32_fini(&damage);
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// Send frame done to all visible surfaces
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send_frame_done(output, &now);
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}
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void output_damage_whole(struct sway_output *output) {
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// The output can exist with no wlr_output if it's just been disconnected
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// and the transaction to evacuate it has't completed yet.
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if (output && output->wlr_output) {
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wlr_output_damage_add_whole(output->damage);
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}
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}
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static void damage_surface_iterator(struct sway_output *output,
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struct wlr_surface *surface, struct wlr_box *_box, float rotation,
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void *_data) {
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bool *data = _data;
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bool whole = *data;
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struct wlr_box box = *_box;
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scale_box(&box, output->wlr_output->scale);
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int center_x = box.x + box.width/2;
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int center_y = box.y + box.height/2;
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if (pixman_region32_not_empty(&surface->buffer_damage)) {
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enum wl_output_transform transform =
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wlr_output_transform_invert(surface->current.transform);
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pixman_region32_t damage;
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pixman_region32_init(&damage);
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pixman_region32_copy(&damage, &surface->buffer_damage);
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wlr_region_transform(&damage, &damage, transform,
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surface->current.buffer_width, surface->current.buffer_height);
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wlr_region_scale(&damage, &damage,
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output->wlr_output->scale / (float)surface->current.scale);
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if (ceil(output->wlr_output->scale) > surface->current.scale) {
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// When scaling up a surface, it'll become blurry so we need to
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// expand the damage region
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wlr_region_expand(&damage, &damage,
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ceil(output->wlr_output->scale) - surface->current.scale);
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}
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pixman_region32_translate(&damage, box.x, box.y);
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wlr_region_rotated_bounds(&damage, &damage, rotation,
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center_x, center_y);
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wlr_output_damage_add(output->damage, &damage);
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pixman_region32_fini(&damage);
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}
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if (whole) {
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wlr_box_rotated_bounds(&box, rotation, &box);
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wlr_output_damage_add_box(output->damage, &box);
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}
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wlr_output_schedule_frame(output->wlr_output);
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}
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void output_damage_surface(struct sway_output *output, double ox, double oy,
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struct wlr_surface *surface, bool whole) {
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output_surface_for_each_surface(output, surface, ox, oy,
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damage_surface_iterator, &whole);
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}
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static void output_damage_view(struct sway_output *output,
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struct sway_view *view, bool whole) {
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if (!view_is_visible(view)) {
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return;
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}
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output_view_for_each_surface(output, view, damage_surface_iterator, &whole);
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}
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void output_damage_from_view(struct sway_output *output,
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struct sway_view *view) {
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output_damage_view(output, view, false);
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}
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// Expecting an unscaled box in layout coordinates
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void output_damage_box(struct sway_output *output, struct wlr_box *_box) {
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struct wlr_box box;
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memcpy(&box, _box, sizeof(struct wlr_box));
|
|
box.x -= output->wlr_output->lx;
|
|
box.y -= output->wlr_output->ly;
|
|
scale_box(&box, output->wlr_output->scale);
|
|
wlr_output_damage_add_box(output->damage, &box);
|
|
}
|
|
|
|
static void output_damage_whole_container_iterator(struct sway_container *con,
|
|
void *data) {
|
|
if (!sway_assert(con->view, "expected a view")) {
|
|
return;
|
|
}
|
|
struct sway_output *output = data;
|
|
output_damage_view(output, con->view, true);
|
|
}
|
|
|
|
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.con_x - output->wlr_output->lx - 1,
|
|
.y = con->current.con_y - output->wlr_output->ly - 1,
|
|
.width = con->current.con_width + 2,
|
|
.height = con->current.con_height + 2,
|
|
};
|
|
scale_box(&box, output->wlr_output->scale);
|
|
wlr_output_damage_add_box(output->damage, &box);
|
|
}
|
|
|
|
static void damage_handle_destroy(struct wl_listener *listener, void *data) {
|
|
struct sway_output *output =
|
|
wl_container_of(listener, output, damage_destroy);
|
|
output_disable(output);
|
|
transaction_commit_dirty();
|
|
}
|
|
|
|
static void handle_destroy(struct wl_listener *listener, void *data) {
|
|
struct sway_output *output = wl_container_of(listener, output, destroy);
|
|
wl_signal_emit(&output->events.destroy, output);
|
|
|
|
if (output->enabled) {
|
|
output_disable(output);
|
|
}
|
|
output_begin_destroy(output);
|
|
|
|
transaction_commit_dirty();
|
|
}
|
|
|
|
static void handle_mode(struct wl_listener *listener, void *data) {
|
|
struct sway_output *output = wl_container_of(listener, output, mode);
|
|
arrange_layers(output);
|
|
arrange_output(output);
|
|
transaction_commit_dirty();
|
|
}
|
|
|
|
static void handle_transform(struct wl_listener *listener, void *data) {
|
|
struct sway_output *output = wl_container_of(listener, output, transform);
|
|
arrange_layers(output);
|
|
arrange_output(output);
|
|
transaction_commit_dirty();
|
|
}
|
|
|
|
static void update_textures(struct sway_container *con, void *data) {
|
|
container_update_title_textures(con);
|
|
if (con->view) {
|
|
view_update_marks_textures(con->view);
|
|
}
|
|
}
|
|
|
|
static void handle_scale(struct wl_listener *listener, void *data) {
|
|
struct sway_output *output = wl_container_of(listener, output, scale);
|
|
arrange_layers(output);
|
|
output_for_each_container(output, update_textures, NULL);
|
|
arrange_output(output);
|
|
transaction_commit_dirty();
|
|
}
|
|
|
|
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;
|
|
wlr_log(WLR_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);
|
|
output->destroy.notify = handle_destroy;
|
|
|
|
struct output_config *oc = output_find_config(output);
|
|
|
|
if (!oc || oc->enabled) {
|
|
output_enable(output, oc);
|
|
}
|
|
|
|
transaction_commit_dirty();
|
|
}
|
|
|
|
void output_add_listeners(struct sway_output *output) {
|
|
output->mode.notify = handle_mode;
|
|
output->transform.notify = handle_transform;
|
|
output->scale.notify = handle_scale;
|
|
output->damage_frame.notify = damage_handle_frame;
|
|
output->damage_destroy.notify = damage_handle_destroy;
|
|
}
|