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263 lines
8.5 KiB
263 lines
8.5 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 <time.h>
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#include <wayland-server.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/types/wlr_wl_shell.h>
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#include <wlr/render.h>
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#include <wlr/render/matrix.h>
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#include "log.h"
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#include "sway/container.h"
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#include "sway/layout.h"
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#include "sway/output.h"
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#include "sway/server.h"
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#include "sway/view.h"
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#include "sway/input/input-manager.h"
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#include "sway/input/seat.h"
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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 != 0.0) {
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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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}
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static void render_surface(struct wlr_surface *surface,
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struct wlr_output *wlr_output, struct timespec *when,
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double lx, double ly, float rotation) {
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if (!wlr_surface_has_buffer(surface)) {
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return;
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}
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struct wlr_output_layout *layout = root_container.sway_root->output_layout;
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int width = surface->current->width;
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int height = surface->current->height;
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int render_width = width * wlr_output->scale;
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int render_height = height * wlr_output->scale;
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int owidth, oheight;
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wlr_output_effective_resolution(wlr_output, &owidth, &oheight);
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// FIXME: view coords are inconsistently assumed to be in output or layout coords
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struct wlr_box layout_box = {
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.x = lx + wlr_output->lx, .y = ly + wlr_output->ly,
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.width = render_width, .height = render_height,
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};
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if (wlr_output_layout_intersects(layout, wlr_output, &layout_box)) {
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struct wlr_box render_box = {
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.x = lx, .y = ly,
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.width = render_width, .height = render_height
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};
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float matrix[16];
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wlr_matrix_project_box(&matrix, &render_box,
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surface->current->transform, 0, &wlr_output->transform_matrix);
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wlr_render_with_matrix(server.renderer, surface->texture,
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&matrix, 1.0f); // TODO: configurable alpha
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wlr_surface_send_frame_done(surface, when);
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}
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struct wlr_subsurface *subsurface;
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wl_list_for_each(subsurface, &surface->subsurface_list, parent_link) {
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struct wlr_surface_state *state = subsurface->surface->current;
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double sx = state->subsurface_position.x;
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double sy = state->subsurface_position.y;
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double sw = state->buffer_width / state->scale;
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double sh = state->buffer_height / state->scale;
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rotate_child_position(&sx, &sy, sw, sh, width, height, rotation);
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render_surface(subsurface->surface, wlr_output, when,
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lx + sx,
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ly + sy,
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rotation);
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}
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}
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static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface,
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struct wlr_output *wlr_output, struct timespec *when, double base_x,
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double base_y, float rotation) {
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double width = surface->surface->current->width;
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double height = surface->surface->current->height;
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struct wlr_xdg_popup_v6 *popup_state;
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wl_list_for_each(popup_state, &surface->popups, link) {
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struct wlr_xdg_surface_v6 *popup = popup_state->base;
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if (!popup->configured) {
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continue;
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}
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double popup_width = popup->surface->current->width;
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double popup_height = popup->surface->current->height;
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double popup_sx, popup_sy;
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wlr_xdg_surface_v6_popup_get_position(popup, &popup_sx, &popup_sy);
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rotate_child_position(&popup_sx, &popup_sy, popup_width, popup_height,
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width, height, rotation);
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render_surface(popup->surface, wlr_output, when,
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base_x + popup_sx, base_y + popup_sy, rotation);
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render_xdg_v6_popups(popup, wlr_output, when,
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base_x + popup_sx, base_y + popup_sy, rotation);
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}
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}
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static void render_wl_shell_surface(struct wlr_wl_shell_surface *surface,
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struct wlr_output *wlr_output, struct timespec *when,
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double lx, double ly, float rotation,
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bool is_child) {
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if (is_child || surface->state != WLR_WL_SHELL_SURFACE_STATE_POPUP) {
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render_surface(surface->surface, wlr_output, when,
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lx, ly, rotation);
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double width = surface->surface->current->width;
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double height = surface->surface->current->height;
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struct wlr_wl_shell_surface *popup;
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wl_list_for_each(popup, &surface->popups, popup_link) {
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double popup_width = popup->surface->current->width;
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double popup_height = popup->surface->current->height;
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double popup_x = popup->transient_state->x;
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double popup_y = popup->transient_state->y;
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rotate_child_position(&popup_x, &popup_y, popup_width, popup_height,
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width, height, rotation);
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render_wl_shell_surface(popup, wlr_output, when,
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lx + popup_x, ly + popup_y, rotation, true);
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}
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}
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}
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static void output_frame_view(swayc_t *view, void *data) {
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struct sway_output *output = data;
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struct wlr_output *wlr_output = output->wlr_output;
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struct sway_view *sway_view = view->sway_view;
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struct wlr_surface *surface = sway_view->surface;
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if (!surface) {
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return;
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}
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switch (sway_view->type) {
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case SWAY_XDG_SHELL_V6_VIEW: {
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int window_offset_x = view->sway_view->wlr_xdg_surface_v6->geometry->x;
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int window_offset_y = view->sway_view->wlr_xdg_surface_v6->geometry->y;
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render_surface(surface, wlr_output, &output->last_frame,
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view->x - window_offset_x,
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view->y - window_offset_y,
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0);
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render_xdg_v6_popups(sway_view->wlr_xdg_surface_v6, wlr_output,
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&output->last_frame,
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view->x - window_offset_x, view->y - window_offset_y,
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0);
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break;
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}
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case SWAY_WL_SHELL_VIEW:
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render_wl_shell_surface(sway_view->wlr_wl_shell_surface, wlr_output,
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&output->last_frame, view->x, view->y, 0, false);
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break;
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case SWAY_XWAYLAND_VIEW:
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render_surface(surface, wlr_output, &output->last_frame, view->x,
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view->y, 0);
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break;
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default:
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break;
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}
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}
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static void output_frame_notify(struct wl_listener *listener, void *data) {
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struct sway_output *soutput = wl_container_of(listener, soutput, frame);
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struct wlr_output *wlr_output = data;
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struct sway_server *server = soutput->server;
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float clear_color[] = {0.25f, 0.25f, 0.25f, 1.0f};
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struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
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wlr_renderer_clear(renderer, &clear_color);
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int buffer_age = -1;
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wlr_output_make_current(wlr_output, &buffer_age);
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wlr_renderer_begin(server->renderer, wlr_output);
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struct sway_seat *seat = input_manager_current_seat(input_manager);
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swayc_t *focus = sway_seat_get_focus_inactive(seat, soutput->swayc);
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swayc_t *workspace = (focus->type == C_WORKSPACE ?
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focus :
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swayc_parent_by_type(focus, C_WORKSPACE));
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swayc_descendants_of_type(workspace, C_VIEW, output_frame_view, soutput);
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// render unmanaged views on top
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struct sway_view *view;
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wl_list_for_each(view, &root_container.sway_root->unmanaged_views,
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unmanaged_view_link) {
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if (view->type == SWAY_XWAYLAND_VIEW) {
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// the only kind of unamanged view right now is xwayland override redirect
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int view_x = view->wlr_xwayland_surface->x;
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int view_y = view->wlr_xwayland_surface->y;
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render_surface(view->surface, wlr_output, &soutput->last_frame,
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view_x, view_y, 0);
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}
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}
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wlr_renderer_end(server->renderer);
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wlr_output_swap_buffers(wlr_output, &soutput->last_frame, NULL);
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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soutput->last_frame = now;
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}
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static void handle_output_destroy(struct wl_listener *listener, void *data) {
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struct sway_output *output = wl_container_of(listener, output, output_destroy);
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struct wlr_output *wlr_output = data;
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wlr_log(L_DEBUG, "Output %p %s removed", wlr_output, wlr_output->name);
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destroy_output(output->swayc);
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}
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void handle_new_output(struct wl_listener *listener, void *data) {
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struct sway_server *server = wl_container_of(listener, server, new_output);
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struct wlr_output *wlr_output = data;
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wlr_log(L_DEBUG, "New output %p: %s", wlr_output, wlr_output->name);
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struct sway_output *output = calloc(1, sizeof(struct sway_output));
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if (!output) {
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return;
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}
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output->wlr_output = wlr_output;
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output->server = server;
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if (!wl_list_empty(&wlr_output->modes)) {
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struct wlr_output_mode *mode =
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wl_container_of(wlr_output->modes.prev, mode, link);
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wlr_output_set_mode(wlr_output, mode);
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}
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output->swayc = new_output(output);
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if (!output->swayc) {
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free(output);
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return;
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}
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sway_input_manager_configure_xcursor(input_manager);
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wl_signal_add(&wlr_output->events.frame, &output->frame);
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output->frame.notify = output_frame_notify;
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wl_signal_add(&wlr_output->events.destroy, &output->output_destroy);
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output->output_destroy.notify = handle_output_destroy;
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arrange_windows(&root_container, -1, -1);
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}
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