mirror of https://github.com/swaywm/sway.git
597 lines
18 KiB
C
597 lines
18 KiB
C
#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 "sway/config.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/layout.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_container *output_by_name(const char *name) {
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for (int i = 0; i < root_container.children->length; ++i) {
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struct sway_container *output = root_container.children->items[i];
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if (strcasecmp(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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bool output_get_surface_box(struct root_geometry *geo,
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struct sway_output *output, struct wlr_surface *surface, int sx, int sy,
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struct wlr_box *surface_box) {
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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, _sy = sy;
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rotate_child_position(&_sx, &_sy, sw, sh, geo->width, geo->height,
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geo->rotation);
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struct wlr_box box = {
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.x = geo->x + _sx,
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.y = geo->y + _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, geo->rotation, &rotated_box);
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struct wlr_box output_box = {
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.width = output->swayc->current.swayc_width,
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.height = output->swayc->current.swayc_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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void output_surface_for_each_surface(struct wlr_surface *surface,
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double ox, double oy, struct root_geometry *geo,
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wlr_surface_iterator_func_t iterator, void *user_data) {
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geo->x = ox;
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geo->y = oy;
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geo->width = surface->current.width;
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geo->height = surface->current.height;
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geo->rotation = 0;
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wlr_surface_for_each_surface(surface, iterator, user_data);
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}
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void output_view_for_each_surface(struct sway_view *view,
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struct sway_output *output, struct root_geometry *geo,
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wlr_surface_iterator_func_t iterator, void *user_data) {
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geo->x = view->swayc->current.view_x - output->swayc->current.swayc_x;
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geo->y = view->swayc->current.view_y - output->swayc->current.swayc_y;
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geo->width = view->swayc->current.view_width;
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geo->height = view->swayc->current.view_height;
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geo->rotation = 0; // TODO
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view_for_each_surface(view, iterator, user_data);
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}
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void output_layer_for_each_surface(struct wl_list *layer_surfaces,
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struct root_geometry *geo, wlr_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 *wlr_layer_surface =
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layer_surface->layer_surface;
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output_surface_for_each_surface(wlr_layer_surface->surface,
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layer_surface->geo.x, layer_surface->geo.y, geo, 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 wl_list *unmanaged,
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struct sway_output *output, struct root_geometry *geo,
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wlr_surface_iterator_func_t iterator, 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->swayc->current.swayc_x;
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double oy = unmanaged_surface->ly - output->swayc->current.swayc_y;
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output_surface_for_each_surface(xsurface->surface, ox, oy, geo,
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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 wl_list *drag_icons,
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struct sway_output *output, struct root_geometry *geo,
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wlr_surface_iterator_func_t iterator, 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->swayc->x;
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double oy = drag_icon->y - output->swayc->y;
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if (drag_icon->wlr_drag_icon->mapped) {
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output_surface_for_each_surface(drag_icon->wlr_drag_icon->surface,
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ox, oy, geo, iterator, user_data);
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}
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}
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}
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static void scale_box(struct wlr_box *box, float scale) {
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box->x *= scale;
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box->y *= scale;
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box->width *= scale;
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box->height *= scale;
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}
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struct sway_container *output_get_active_workspace(struct sway_output *output) {
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struct sway_seat *seat = input_manager_current_seat(input_manager);
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struct sway_container *focus =
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seat_get_focus_inactive(seat, output->swayc);
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if (!focus) {
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// We've never been to this output before
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focus = output->swayc->current.children->items[0];
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}
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struct sway_container *workspace = focus;
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if (workspace->type != C_WORKSPACE) {
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workspace = container_parent(workspace, C_WORKSPACE);
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}
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return workspace;
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}
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bool output_has_opaque_lockscreen(struct sway_output *output,
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struct sway_seat *seat) {
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if (!seat->exclusive_client) {
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return false;
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}
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struct wlr_layer_surface *wlr_layer_surface;
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wl_list_for_each(wlr_layer_surface, &server.layer_shell->surfaces, link) {
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if (wlr_layer_surface->output != output->wlr_output) {
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continue;
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}
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struct wlr_surface *wlr_surface = wlr_layer_surface->surface;
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if (wlr_surface->resource->client != seat->exclusive_client) {
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continue;
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}
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struct sway_layer_surface *sway_layer_surface =
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layer_from_wlr_layer_surface(wlr_layer_surface);
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pixman_box32_t output_box = {
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.x2 = output->swayc->current.swayc_width,
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.y2 = output->swayc->current.swayc_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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struct send_frame_done_data {
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struct root_geometry root_geo;
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struct sway_output *output;
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struct timespec *when;
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struct wl_client *exclusive_client;
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};
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static void send_frame_done_iterator(struct wlr_surface *surface,
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int sx, int sy, void *_data) {
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struct send_frame_done_data *data = _data;
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if (data->exclusive_client &&
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data->exclusive_client != surface->resource->client) {
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return;
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}
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bool intersects = output_get_surface_box(&data->root_geo, data->output, surface,
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sx, sy, NULL);
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if (intersects) {
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wlr_surface_send_frame_done(surface, data->when);
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}
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}
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static void send_frame_done_layer(struct send_frame_done_data *data,
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struct wl_list *layer_surfaces) {
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output_layer_for_each_surface(layer_surfaces, &data->root_geo,
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send_frame_done_iterator, data);
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}
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#ifdef HAVE_XWAYLAND
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static void send_frame_done_unmanaged(struct send_frame_done_data *data,
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struct wl_list *unmanaged) {
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output_unmanaged_for_each_surface(unmanaged, data->output, &data->root_geo,
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send_frame_done_iterator, data);
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}
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#endif
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static void send_frame_done_drag_icons(struct send_frame_done_data *data,
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struct wl_list *drag_icons) {
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output_drag_icons_for_each_surface(drag_icons, data->output, &data->root_geo,
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send_frame_done_iterator, data);
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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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struct send_frame_done_data *data = _data;
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if (!sway_assert(con->type == C_VIEW, "expected a view")) {
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return;
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}
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if (!view_is_visible(con->sway_view)) {
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return;
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}
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output_view_for_each_surface(con->sway_view, data->output, &data->root_geo,
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send_frame_done_iterator, data);
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}
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static void send_frame_done_container(struct send_frame_done_data *data,
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struct sway_container *con) {
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container_descendants(con, C_VIEW,
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send_frame_done_container_iterator, data);
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}
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static void send_frame_done(struct sway_output *output, struct timespec *when) {
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struct sway_seat *seat = input_manager_current_seat(input_manager);
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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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.exclusive_client = output_has_opaque_lockscreen(output, seat) ?
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seat->exclusive_client : NULL,
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};
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struct sway_container *workspace = output_get_active_workspace(output);
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if (workspace->current.ws_fullscreen) {
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send_frame_done_container_iterator(
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workspace->current.ws_fullscreen->swayc, &data);
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#ifdef HAVE_XWAYLAND
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if (workspace->current.ws_fullscreen->type == SWAY_VIEW_XWAYLAND) {
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send_frame_done_unmanaged(&data,
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&root_container.sway_root->xwayland_unmanaged);
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}
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#endif
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} else {
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send_frame_done_layer(&data,
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&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND]);
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send_frame_done_layer(&data,
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&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM]);
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send_frame_done_container(&data, workspace);
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send_frame_done_container(&data, workspace->sway_workspace->floating);
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#ifdef HAVE_XWAYLAND
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send_frame_done_unmanaged(&data,
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&root_container.sway_root->xwayland_unmanaged);
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#endif
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send_frame_done_layer(&data,
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&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP]);
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}
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send_frame_done_layer(&data,
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&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY]);
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send_frame_done_drag_icons(&data, &root_container.sway_root->drag_icons);
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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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wlr_output_damage_add_whole(output->damage);
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}
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struct damage_data {
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struct root_geometry root_geo;
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struct sway_output *output;
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bool whole;
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};
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static void damage_surface_iterator(struct wlr_surface *surface, int sx, int sy,
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void *_data) {
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struct damage_data *data = _data;
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struct sway_output *output = data->output;
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float rotation = data->root_geo.rotation;
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bool whole = data->whole;
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struct wlr_box box;
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bool intersects = output_get_surface_box(&data->root_geo, data->output, surface,
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sx, sy, &box);
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if (!intersects) {
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return;
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}
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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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struct damage_data data = {
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.output = output,
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.whole = whole,
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};
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output_surface_for_each_surface(surface, ox, oy, &data.root_geo,
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damage_surface_iterator, &data);
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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 (!sway_assert(view->swayc != NULL, "expected a view in the tree")) {
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return;
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}
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if (!view_is_visible(view)) {
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return;
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}
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struct damage_data data = {
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.output = output,
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.whole = whole,
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};
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output_view_for_each_surface(view, output, &data.root_geo,
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damage_surface_iterator, &data);
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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));
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box.x -= output->swayc->current.swayc_x;
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box.y -= output->swayc->current.swayc_y;
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scale_box(&box, output->wlr_output->scale);
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wlr_output_damage_add_box(output->damage, &box);
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}
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static void output_damage_whole_container_iterator(struct sway_container *con,
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void *data) {
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struct sway_output *output = data;
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if (!sway_assert(con->type == C_VIEW, "expected a view")) {
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return;
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}
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output_damage_view(output, con->sway_view, true);
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}
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void output_damage_whole_container(struct sway_output *output,
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struct sway_container *con) {
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// Pad the box by 1px, because the width is a double and might be a fraction
|
|
struct wlr_box box = {
|
|
.x = con->current.swayc_x - output->wlr_output->lx - 1,
|
|
.y = con->current.swayc_y - output->wlr_output->ly - 1,
|
|
.width = con->current.swayc_width + 2,
|
|
.height = con->current.swayc_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);
|
|
container_destroy(output->swayc);
|
|
}
|
|
|
|
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->swayc) {
|
|
container_destroy(output->swayc);
|
|
}
|
|
|
|
wl_list_remove(&output->link);
|
|
wl_list_remove(&output->destroy.link);
|
|
output->wlr_output->data = NULL;
|
|
free(output);
|
|
|
|
arrange_windows(&root_container);
|
|
}
|
|
|
|
static void handle_mode(struct wl_listener *listener, void *data) {
|
|
struct sway_output *output = wl_container_of(listener, output, mode);
|
|
arrange_layers(output);
|
|
arrange_windows(output->swayc);
|
|
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_windows(output->swayc);
|
|
transaction_commit_dirty();
|
|
}
|
|
|
|
static void handle_scale_iterator(struct sway_container *view, void *data) {
|
|
view_update_marks_textures(view->sway_view);
|
|
}
|
|
|
|
static void handle_scale(struct wl_listener *listener, void *data) {
|
|
struct sway_output *output = wl_container_of(listener, output, scale);
|
|
arrange_layers(output);
|
|
container_descendants(output->swayc, C_VIEW, handle_scale_iterator, NULL);
|
|
arrange_windows(output->swayc);
|
|
transaction_commit_dirty();
|
|
}
|
|
|
|
struct sway_output *output_from_wlr_output(struct wlr_output *wlr_output) {
|
|
return wlr_output->data;
|
|
}
|
|
|
|
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 = calloc(1, sizeof(struct sway_output));
|
|
if (!output) {
|
|
return;
|
|
}
|
|
output->wlr_output = wlr_output;
|
|
wlr_output->data = output;
|
|
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_list_insert(&root_container.sway_root->outputs, &output->link);
|
|
|
|
if (!wl_list_empty(&wlr_output->modes)) {
|
|
struct wlr_output_mode *mode =
|
|
wl_container_of(wlr_output->modes.prev, mode, link);
|
|
wlr_output_set_mode(wlr_output, mode);
|
|
}
|
|
|
|
output_enable(output);
|
|
}
|
|
|
|
void output_enable(struct sway_output *output) {
|
|
struct wlr_output *wlr_output = output->wlr_output;
|
|
|
|
if (!sway_assert(output->swayc == NULL, "output is already enabled")) {
|
|
return;
|
|
}
|
|
|
|
output->swayc = output_create(output);
|
|
if (!output->swayc) {
|
|
// Output is disabled
|
|
return;
|
|
}
|
|
|
|
size_t len = sizeof(output->layers) / sizeof(output->layers[0]);
|
|
for (size_t i = 0; i < len; ++i) {
|
|
wl_list_init(&output->layers[i]);
|
|
}
|
|
wl_signal_init(&output->events.destroy);
|
|
|
|
input_manager_configure_xcursor(input_manager);
|
|
|
|
wl_signal_add(&wlr_output->events.mode, &output->mode);
|
|
output->mode.notify = handle_mode;
|
|
wl_signal_add(&wlr_output->events.transform, &output->transform);
|
|
output->transform.notify = handle_transform;
|
|
wl_signal_add(&wlr_output->events.scale, &output->scale);
|
|
output->scale.notify = handle_scale;
|
|
|
|
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;
|
|
|
|
arrange_layers(output);
|
|
arrange_windows(&root_container);
|
|
transaction_commit_dirty();
|
|
}
|