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#define _POSIX_C_SOURCE 199309L
#include <assert.h>
#include <time.h>
#include <stdlib.h>
#include <math.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_gamma_control.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_wl_shell.h>
#include <wlr/types/wlr_xdg_shell_v6.h>
#include <wlr/util/log.h>
#include "rootston/desktop.h"
#include "rootston/server.h"
void view_destroy(struct roots_view *view) {
struct roots_desktop *desktop = view->desktop;
struct roots_input *input = desktop->server->input;
if (input->active_view == view) {
input->active_view = NULL;
input->mode = ROOTS_CURSOR_PASSTHROUGH;
}
if (input->last_active_view == view) {
input->last_active_view = NULL;
}
for (size_t i = 0; i < desktop->views->length; ++i) {
struct roots_view *_view = desktop->views->items[i];
if (view == _view) {
list_del(desktop->views, i);
break;
}
}
free(view);
}
void view_get_size(struct roots_view *view, struct wlr_box *box) {
if (view->get_size) {
view->get_size(view, box);
return;
}
box->x = box->y = 0;
box->width = view->wlr_surface->current->width;
box->height = view->wlr_surface->current->height;
}
void view_activate(struct roots_view *view, bool activate) {
if (view->activate) {
view->activate(view, activate);
}
}
void view_resize(struct roots_view *view, uint32_t width, uint32_t height) {
if (view->resize) {
view->resize(view, width, height);
}
}
void view_close(struct roots_view *view) {
if (view->close) {
view->close(view);
}
}
static struct wlr_subsurface *subsurface_at(struct wlr_surface *surface,
double sx, double sy, double *sub_x, double *sub_y) {
struct wlr_subsurface *subsurface;
wl_list_for_each(subsurface, &surface->subsurface_list, parent_link) {
double _sub_x = subsurface->surface->current->subsurface_position.x;
double _sub_y = subsurface->surface->current->subsurface_position.y;
struct wlr_subsurface *sub =
subsurface_at(subsurface->surface, _sub_x + sx, _sub_y + sy,
sub_x, sub_y);
if (sub) {
// TODO: This won't work for nested subsurfaces. Convert sub_x and
// sub_y to the parent coordinate system
return sub;
}
int sub_width = subsurface->surface->current->buffer_width;
int sub_height = subsurface->surface->current->buffer_height;
if ((sx > _sub_x && sx < _sub_x + sub_width) &&
(sy > _sub_y && sy < _sub_y + sub_height)) {
if (pixman_region32_contains_point(
&subsurface->surface->current->input,
sx - _sub_x, sy - _sub_y, NULL)) {
*sub_x = _sub_x;
*sub_y = _sub_y;
return subsurface;
}
}
}
return NULL;
}
static struct wlr_xdg_surface_v6 *xdg_v6_popup_at(
struct wlr_xdg_surface_v6 *surface, double sx, double sy,
double *popup_sx, double *popup_sy) {
// XXX: I think this is so complicated because we're mixing geometry
// coordinates with surface coordinates. Input handling should only deal
// with surface coordinates.
struct wlr_xdg_surface_v6 *popup;
wl_list_for_each(popup, &surface->popups, popup_link) {
double _popup_sx = surface->geometry->x + popup->popup_state->geometry.x;
double _popup_sy = surface->geometry->y + popup->popup_state->geometry.y;
int popup_width = popup->popup_state->geometry.width;
int popup_height = popup->popup_state->geometry.height;
struct wlr_xdg_surface_v6 *_popup =
xdg_v6_popup_at(popup, sx - _popup_sx + popup->geometry->x,
sy - _popup_sy + popup->geometry->y, popup_sx, popup_sy);
if (_popup) {
*popup_sx = *popup_sx + _popup_sx - popup->geometry->x;
*popup_sy = *popup_sy + _popup_sy - popup->geometry->y;
return _popup;
}
if ((sx > _popup_sx && sx < _popup_sx + popup_width) &&
(sy > _popup_sy && sy < _popup_sy + popup_height)) {
if (pixman_region32_contains_point(&popup->surface->current->input,
sx - _popup_sx + popup->geometry->x,
sy - _popup_sy + popup->geometry->y, NULL)) {
*popup_sx = _popup_sx - popup->geometry->x;
*popup_sy = _popup_sy - popup->geometry->y;
return popup;
}
}
}
return NULL;
}
struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy) {
for (int i = desktop->views->length - 1; i >= 0; --i) {
struct roots_view *view = desktop->views->items[i];
double view_sx = lx - view->x;
double view_sy = ly - view->y;
struct wlr_box box = {
.x = 0,
.y = 0,
.width = view->wlr_surface->current->buffer_width,
.height = view->wlr_surface->current->buffer_height,
};
if (view->rotation != 0.0) {
// Coordinates relative to the center of the view
double ox = view_sx - (double)box.width/2,
oy = view_sy - (double)box.height/2;
// Rotated coordinates
double rx = cos(view->rotation)*ox - sin(view->rotation)*oy,
ry = cos(view->rotation)*oy + sin(view->rotation)*ox;
view_sx = rx + (double)box.width/2;
view_sy = ry + (double)box.height/2;
}
if (view->type == ROOTS_XDG_SHELL_V6_VIEW) {
// TODO: test if this works with rotated views
double popup_sx, popup_sy;
struct wlr_xdg_surface_v6 *popup =
xdg_v6_popup_at(view->xdg_surface_v6, view_sx, view_sy,
&popup_sx, &popup_sy);
if (popup) {
*sx = view_sx - popup_sx;
*sy = view_sy - popup_sy;
*surface = popup->surface;
return view;
}
}
double sub_x, sub_y;
struct wlr_subsurface *subsurface =
subsurface_at(view->wlr_surface, view_sx, view_sy, &sub_x, &sub_y);
if (subsurface) {
*sx = view_sx - sub_x;
*sy = view_sy - sub_y;
*surface = subsurface->surface;
return view;
}
if (wlr_box_contains_point(&box, view_sx, view_sy) &&
pixman_region32_contains_point(
&view->wlr_surface->current->input,
view_sx, view_sy, NULL)) {
*sx = view_sx;
*sy = view_sy;
*surface = view->wlr_surface;
return view;
}
}
return NULL;
}
struct roots_desktop *desktop_create(struct roots_server *server,
struct roots_config *config) {
struct roots_desktop *desktop = calloc(1, sizeof(struct roots_desktop));
wlr_log(L_DEBUG, "Initializing roots desktop");
assert(desktop->views = list_create());
wl_list_init(&desktop->outputs);
wl_list_init(&desktop->output_add.link);
desktop->output_add.notify = output_add_notify;
wl_list_init(&desktop->output_remove.link);
desktop->output_remove.notify = output_remove_notify;
wl_signal_add(&server->backend->events.output_add, &desktop->output_add);
wl_signal_add(&server->backend->events.output_remove,
&desktop->output_remove);
desktop->server = server;
desktop->config = config;
desktop->layout = wlr_output_layout_create();
desktop->compositor = wlr_compositor_create(server->wl_display,
server->renderer);
desktop->xdg_shell_v6 = wlr_xdg_shell_v6_create(server->wl_display);
wl_signal_add(&desktop->xdg_shell_v6->events.new_surface,
&desktop->xdg_shell_v6_surface);
desktop->xdg_shell_v6_surface.notify = handle_xdg_shell_v6_surface;
desktop->wl_shell = wlr_wl_shell_create(server->wl_display);
wl_signal_add(&desktop->wl_shell->events.new_surface,
&desktop->wl_shell_surface);
desktop->wl_shell_surface.notify = handle_wl_shell_surface;
desktop->xwayland = wlr_xwayland_create(server->wl_display,
desktop->compositor);
wl_signal_add(&desktop->xwayland->events.new_surface,
&desktop->xwayland_surface);
desktop->xwayland_surface.notify = handle_xwayland_surface;
desktop->gamma_control_manager = wlr_gamma_control_manager_create(
server->wl_display);
desktop->screenshooter = wlr_screenshooter_create(server->wl_display,
server->renderer);
return desktop;
}
void desktop_destroy(struct roots_desktop *desktop) {
// TODO
}
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