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237 lines
8.5 KiB
237 lines
8.5 KiB
#define _POSIX_C_SOURCE 200809L
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#include <time.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <wlr/types/wlr_output_layout.h>
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#include <wlr/types/wlr_compositor.h>
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#include <wlr/types/wlr_wl_shell.h>
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#include <wlr/types/wlr_xdg_shell_v6.h>
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#include <wlr/render/matrix.h>
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#include <wlr/util/log.h>
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#include "rootston/server.h"
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#include "rootston/desktop.h"
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#include "rootston/config.h"
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static inline int64_t timespec_to_msec(const struct timespec *a) {
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return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
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}
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static void render_surface(struct wlr_surface *surface,
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struct roots_desktop *desktop, struct wlr_output *wlr_output,
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struct timespec *when, double lx, double ly, float rotation) {
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if (surface->texture->valid) {
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int width = surface->current->buffer_width;
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int height = surface->current->buffer_height;
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double ox = lx, oy = ly;
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wlr_output_layout_output_coords(desktop->layout, wlr_output, &ox, &oy);
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if (wlr_output_layout_intersects(desktop->layout, wlr_output,
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lx, ly, lx + width, ly + height)) {
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float matrix[16];
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float translate_origin[16];
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wlr_matrix_translate(&translate_origin,
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(int)ox + width / 2, (int)oy + height / 2, 0);
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float rotate[16];
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wlr_matrix_rotate(&rotate, rotation);
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float translate_center[16];
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wlr_matrix_translate(&translate_center, -width / 2, -height / 2, 0);
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float transform[16];
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wlr_matrix_mul(&translate_origin, &rotate, &transform);
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wlr_matrix_mul(&transform, &translate_center, &transform);
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wlr_surface_get_matrix(surface, &matrix,
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&wlr_output->transform_matrix, &transform);
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wlr_render_with_matrix(desktop->server->renderer,
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surface->texture, &matrix);
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struct wlr_frame_callback *cb, *cnext;
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wl_list_for_each_safe(cb, cnext,
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&surface->current->frame_callback_list, link) {
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wl_callback_send_done(cb->resource, timespec_to_msec(when));
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wl_resource_destroy(cb->resource);
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}
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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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double sx = subsurface->surface->current->subsurface_position.x,
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sy = subsurface->surface->current->subsurface_position.y;
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double sw = subsurface->surface->current->buffer_width,
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sh = subsurface->surface->current->buffer_height;
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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 - (double)width/2 + sw/2,
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oy = sy - (double)height/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 + (double)width/2 - sw/2;
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sy = ry + (double)height/2 - sh/2;
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}
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render_surface(subsurface->surface, desktop, 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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}
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static void render_xdg_v6_popups(struct wlr_xdg_surface_v6 *surface,
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struct roots_desktop *desktop, struct wlr_output *wlr_output,
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struct timespec *when, double base_x, double base_y, float rotation) {
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// TODO: make sure this works with view rotation
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struct wlr_xdg_surface_v6 *popup;
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wl_list_for_each(popup, &surface->popups, popup_link) {
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if (!popup->configured) {
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continue;
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}
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double popup_x = base_x + surface->geometry->x +
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popup->popup_state->geometry.x - popup->geometry->x;
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double popup_y = base_y + surface->geometry->y +
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popup->popup_state->geometry.y - popup->geometry->y;
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render_surface(popup->surface, desktop, wlr_output, when, popup_x,
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popup_y, rotation);
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render_xdg_v6_popups(popup, desktop, wlr_output, when, popup_x, popup_y, 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, struct roots_desktop *desktop,
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struct wlr_output *wlr_output, struct timespec *when, double lx,
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double ly, float rotation, 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, desktop, wlr_output, when,
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lx, ly, rotation);
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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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render_wl_shell_surface(popup, desktop, wlr_output, when,
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lx + popup->transient_state->x,
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ly + popup->transient_state->y,
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rotation, true);
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}
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}
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}
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static void render_view(struct roots_view *view, struct roots_desktop *desktop,
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struct wlr_output *wlr_output, struct timespec *when) {
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switch (view->type) {
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case ROOTS_XDG_SHELL_V6_VIEW:
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render_surface(view->wlr_surface, desktop, wlr_output, when,
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view->x, view->y, view->rotation);
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render_xdg_v6_popups(view->xdg_surface_v6, desktop, wlr_output,
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when, view->x, view->y, view->rotation);
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break;
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case ROOTS_WL_SHELL_VIEW:
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render_wl_shell_surface(view->wl_shell_surface, desktop, wlr_output,
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when, view->x, view->y, view->rotation, false);
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break;
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case ROOTS_XWAYLAND_VIEW:
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render_surface(view->wlr_surface, desktop, wlr_output, when,
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view->x, view->y, view->rotation);
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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 wlr_output *wlr_output = data;
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struct roots_output *output = wl_container_of(listener, output, frame);
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struct roots_desktop *desktop = output->desktop;
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struct roots_server *server = desktop->server;
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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wlr_output_make_current(wlr_output);
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wlr_renderer_begin(server->renderer, wlr_output);
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for (size_t i = 0; i < desktop->views->length; ++i) {
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struct roots_view *view = desktop->views->items[i];
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render_view(view, desktop, wlr_output, &now);
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}
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struct roots_drag_icon *drag_icon = NULL;
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wl_list_for_each(drag_icon, &server->input->drag_icons, link) {
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struct wlr_surface *icon = drag_icon->surface;
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struct wlr_cursor *cursor = server->input->cursor;
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double icon_x = cursor->x + drag_icon->sx;
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double icon_y = cursor->y + drag_icon->sy;
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render_surface(icon, desktop, wlr_output, &now, icon_x, icon_y, 0);
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}
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wlr_renderer_end(server->renderer);
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wlr_output_swap_buffers(wlr_output);
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output->last_frame = desktop->last_frame = now;
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}
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void output_add_notify(struct wl_listener *listener, void *data) {
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struct wlr_output *wlr_output = data;
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struct roots_desktop *desktop = wl_container_of(listener, desktop, output_add);
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struct roots_input *input = desktop->server->input;
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struct roots_config *config = desktop->config;
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wlr_log(L_DEBUG, "Output '%s' added", wlr_output->name);
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wlr_log(L_DEBUG, "%s %s %"PRId32"mm x %"PRId32"mm",
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wlr_output->make, wlr_output->model,
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wlr_output->phys_width, wlr_output->phys_height);
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if (wl_list_length(&wlr_output->modes) > 0) {
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struct wlr_output_mode *mode = NULL;
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mode = 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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struct roots_output *output = calloc(1, sizeof(struct roots_output));
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clock_gettime(CLOCK_MONOTONIC, &output->last_frame);
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output->desktop = desktop;
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output->wlr_output = wlr_output;
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output->frame.notify = output_frame_notify;
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wl_signal_add(&wlr_output->events.frame, &output->frame);
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wl_list_insert(&desktop->outputs, &output->link);
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struct output_config *output_config = config_get_output(config, wlr_output);
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if (output_config) {
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wlr_output_transform(wlr_output, output_config->transform);
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wlr_output_layout_add(desktop->layout,
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wlr_output, output_config->x, output_config->y);
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} else {
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wlr_output_layout_add_auto(desktop->layout, wlr_output);
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}
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cursor_load_config(config, input->cursor, input, desktop);
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struct wlr_xcursor_image *image = input->xcursor->images[0];
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// TODO the cursor must be set depending on which surface it is displayed
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// over which should happen in the compositor.
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if (!wlr_output_set_cursor(wlr_output, image->buffer,
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image->width, image->width, image->height,
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image->hotspot_x, image->hotspot_y)) {
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wlr_log(L_DEBUG, "Failed to set hardware cursor");
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return;
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}
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wlr_cursor_warp(input->cursor, NULL, input->cursor->x, input->cursor->y);
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}
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void output_remove_notify(struct wl_listener *listener, void *data) {
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struct wlr_output *wlr_output = data;
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struct roots_desktop *desktop = wl_container_of(listener, desktop, output_remove);
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struct roots_output *output = NULL, *_output;
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wl_list_for_each(_output, &desktop->outputs, link) {
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if (_output->wlr_output == wlr_output) {
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output = _output;
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break;
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}
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}
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if (!output) {
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return; // We are unfamiliar with this output
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}
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wlr_output_layout_remove(desktop->layout, output->wlr_output);
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// TODO: cursor
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//example_config_configure_cursor(sample->config, sample->cursor,
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// sample->compositor);
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wl_list_remove(&output->link);
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wl_list_remove(&output->frame.link);
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free(output);
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}
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