356 lines
12 KiB
C
356 lines
12 KiB
C
#include <assert.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <wayland-server-core.h>
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#include <wlr/config.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/util/log.h>
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#include <wlr/xwayland.h>
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#include "rootston/server.h"
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static void activate(struct roots_view *view, bool active) {
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struct wlr_xwayland_surface *xwayland_surface =
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roots_xwayland_surface_from_view(view)->xwayland_surface;
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wlr_xwayland_surface_activate(xwayland_surface, active);
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}
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static void move(struct roots_view *view, double x, double y) {
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struct wlr_xwayland_surface *xwayland_surface =
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roots_xwayland_surface_from_view(view)->xwayland_surface;
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view_update_position(view, x, y);
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wlr_xwayland_surface_configure(xwayland_surface, x, y,
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xwayland_surface->width, xwayland_surface->height);
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}
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static void apply_size_constraints(
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struct wlr_xwayland_surface *xwayland_surface, uint32_t width,
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uint32_t height, uint32_t *dest_width, uint32_t *dest_height) {
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*dest_width = width;
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*dest_height = height;
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struct wlr_xwayland_surface_size_hints *size_hints =
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xwayland_surface->size_hints;
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if (size_hints != NULL) {
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if (width < (uint32_t)size_hints->min_width) {
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*dest_width = size_hints->min_width;
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} else if (size_hints->max_width > 0 &&
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width > (uint32_t)size_hints->max_width) {
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*dest_width = size_hints->max_width;
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}
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if (height < (uint32_t)size_hints->min_height) {
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*dest_height = size_hints->min_height;
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} else if (size_hints->max_height > 0 &&
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height > (uint32_t)size_hints->max_height) {
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*dest_height = size_hints->max_height;
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}
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}
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}
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static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
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struct wlr_xwayland_surface *xwayland_surface =
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roots_xwayland_surface_from_view(view)->xwayland_surface;
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uint32_t constrained_width, constrained_height;
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apply_size_constraints(xwayland_surface, width, height, &constrained_width,
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&constrained_height);
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wlr_xwayland_surface_configure(xwayland_surface, xwayland_surface->x,
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xwayland_surface->y, constrained_width, constrained_height);
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}
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static void move_resize(struct roots_view *view, double x, double y,
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uint32_t width, uint32_t height) {
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struct wlr_xwayland_surface *xwayland_surface =
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roots_xwayland_surface_from_view(view)->xwayland_surface;
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bool update_x = x != view->box.x;
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bool update_y = y != view->box.y;
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uint32_t constrained_width, constrained_height;
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apply_size_constraints(xwayland_surface, width, height, &constrained_width,
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&constrained_height);
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if (update_x) {
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x = x + width - constrained_width;
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}
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if (update_y) {
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y = y + height - constrained_height;
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}
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view->pending_move_resize.update_x = update_x;
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view->pending_move_resize.update_y = update_y;
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view->pending_move_resize.x = x;
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view->pending_move_resize.y = y;
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view->pending_move_resize.width = constrained_width;
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view->pending_move_resize.height = constrained_height;
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wlr_xwayland_surface_configure(xwayland_surface, x, y, constrained_width,
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constrained_height);
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}
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static void close(struct roots_view *view) {
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struct wlr_xwayland_surface *xwayland_surface =
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roots_xwayland_surface_from_view(view)->xwayland_surface;
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wlr_xwayland_surface_close(xwayland_surface);
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}
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static void maximize(struct roots_view *view, bool maximized) {
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struct wlr_xwayland_surface *xwayland_surface =
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roots_xwayland_surface_from_view(view)->xwayland_surface;
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wlr_xwayland_surface_set_maximized(xwayland_surface, maximized);
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}
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static void set_fullscreen(struct roots_view *view, bool fullscreen) {
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struct wlr_xwayland_surface *xwayland_surface =
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roots_xwayland_surface_from_view(view)->xwayland_surface;
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wlr_xwayland_surface_set_fullscreen(xwayland_surface, fullscreen);
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}
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static void destroy(struct roots_view *view) {
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struct roots_xwayland_surface *roots_surface =
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roots_xwayland_surface_from_view(view);
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wl_list_remove(&roots_surface->destroy.link);
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wl_list_remove(&roots_surface->request_configure.link);
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wl_list_remove(&roots_surface->request_move.link);
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wl_list_remove(&roots_surface->request_resize.link);
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wl_list_remove(&roots_surface->request_maximize.link);
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wl_list_remove(&roots_surface->set_title.link);
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wl_list_remove(&roots_surface->set_class.link);
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wl_list_remove(&roots_surface->map.link);
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wl_list_remove(&roots_surface->unmap.link);
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free(roots_surface);
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}
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static const struct roots_view_interface view_impl = {
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.activate = activate,
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.resize = resize,
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.move = move,
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.move_resize = move_resize,
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.maximize = maximize,
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.set_fullscreen = set_fullscreen,
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.close = close,
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.destroy = destroy,
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};
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static void handle_destroy(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, destroy);
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view_destroy(&roots_surface->view);
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}
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static void handle_request_configure(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, request_configure);
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struct wlr_xwayland_surface *xwayland_surface =
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roots_surface->xwayland_surface;
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struct wlr_xwayland_surface_configure_event *event = data;
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view_update_position(&roots_surface->view, event->x, event->y);
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wlr_xwayland_surface_configure(xwayland_surface, event->x, event->y,
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event->width, event->height);
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}
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static struct roots_seat *guess_seat_for_view(struct roots_view *view) {
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// the best we can do is to pick the first seat that has the surface focused
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// for the pointer
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struct roots_input *input = view->desktop->server->input;
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struct roots_seat *seat;
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wl_list_for_each(seat, &input->seats, link) {
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if (seat->seat->pointer_state.focused_surface == view->wlr_surface) {
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return seat;
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}
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}
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return NULL;
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}
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static void handle_request_move(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, request_move);
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struct roots_view *view = &roots_surface->view;
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struct roots_seat *seat = guess_seat_for_view(view);
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if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
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return;
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}
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roots_seat_begin_move(seat, view);
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}
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static void handle_request_resize(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, request_resize);
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struct roots_view *view = &roots_surface->view;
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struct roots_seat *seat = guess_seat_for_view(view);
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struct wlr_xwayland_resize_event *e = data;
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if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
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return;
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}
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roots_seat_begin_resize(seat, view, e->edges);
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}
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static void handle_request_maximize(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, request_maximize);
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struct roots_view *view = &roots_surface->view;
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struct wlr_xwayland_surface *xwayland_surface =
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roots_surface->xwayland_surface;
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bool maximized = xwayland_surface->maximized_vert &&
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xwayland_surface->maximized_horz;
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view_maximize(view, maximized);
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}
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static void handle_request_fullscreen(struct wl_listener *listener,
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void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, request_fullscreen);
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struct roots_view *view = &roots_surface->view;
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struct wlr_xwayland_surface *xwayland_surface =
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roots_surface->xwayland_surface;
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view_set_fullscreen(view, xwayland_surface->fullscreen, NULL);
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}
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static void handle_set_title(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, set_title);
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view_set_title(&roots_surface->view,
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roots_surface->xwayland_surface->title);
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}
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static void handle_set_class(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, set_class);
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view_set_app_id(&roots_surface->view,
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roots_surface->xwayland_surface->class);
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}
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static void handle_surface_commit(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, surface_commit);
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struct roots_view *view = &roots_surface->view;
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struct wlr_surface *wlr_surface = view->wlr_surface;
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view_apply_damage(view);
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int width = wlr_surface->current.width;
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int height = wlr_surface->current.height;
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view_update_size(view, width, height);
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double x = view->box.x;
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double y = view->box.y;
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if (view->pending_move_resize.update_x) {
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x = view->pending_move_resize.x + view->pending_move_resize.width -
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width;
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view->pending_move_resize.update_x = false;
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}
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if (view->pending_move_resize.update_y) {
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y = view->pending_move_resize.y + view->pending_move_resize.height -
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height;
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view->pending_move_resize.update_y = false;
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}
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view_update_position(view, x, y);
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}
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static void handle_map(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, map);
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struct wlr_xwayland_surface *surface = data;
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struct roots_view *view = &roots_surface->view;
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view->box.x = surface->x;
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view->box.y = surface->y;
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view->box.width = surface->surface->current.width;
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view->box.height = surface->surface->current.height;
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roots_surface->surface_commit.notify = handle_surface_commit;
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wl_signal_add(&surface->surface->events.commit,
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&roots_surface->surface_commit);
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view_map(view, surface->surface);
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if (!surface->override_redirect) {
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if (surface->decorations == WLR_XWAYLAND_SURFACE_DECORATIONS_ALL) {
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view->decorated = true;
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view->border_width = 4;
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view->titlebar_height = 12;
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}
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view_setup(view);
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wlr_foreign_toplevel_handle_v1_set_title(view->toplevel_handle,
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roots_surface->xwayland_surface->title ?: "none");
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wlr_foreign_toplevel_handle_v1_set_app_id(view->toplevel_handle,
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roots_surface->xwayland_surface->class ?: "none");
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} else {
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view_initial_focus(view);
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}
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}
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static void handle_unmap(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, unmap);
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struct roots_view *view = &roots_surface->view;
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wl_list_remove(&roots_surface->surface_commit.link);
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view_unmap(view);
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}
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void handle_xwayland_surface(struct wl_listener *listener, void *data) {
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struct roots_desktop *desktop =
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wl_container_of(listener, desktop, xwayland_surface);
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struct wlr_xwayland_surface *surface = data;
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wlr_log(WLR_DEBUG, "new xwayland surface: title=%s, class=%s, instance=%s",
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surface->title, surface->class, surface->instance);
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wlr_xwayland_surface_ping(surface);
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struct roots_xwayland_surface *roots_surface =
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calloc(1, sizeof(struct roots_xwayland_surface));
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if (roots_surface == NULL) {
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return;
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}
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view_init(&roots_surface->view, &view_impl, ROOTS_XWAYLAND_VIEW, desktop);
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roots_surface->view.box.x = surface->x;
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roots_surface->view.box.y = surface->y;
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roots_surface->xwayland_surface = surface;
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roots_surface->destroy.notify = handle_destroy;
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wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
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roots_surface->request_configure.notify = handle_request_configure;
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wl_signal_add(&surface->events.request_configure,
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&roots_surface->request_configure);
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roots_surface->map.notify = handle_map;
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wl_signal_add(&surface->events.map, &roots_surface->map);
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roots_surface->unmap.notify = handle_unmap;
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wl_signal_add(&surface->events.unmap, &roots_surface->unmap);
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roots_surface->request_move.notify = handle_request_move;
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wl_signal_add(&surface->events.request_move, &roots_surface->request_move);
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roots_surface->request_resize.notify = handle_request_resize;
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wl_signal_add(&surface->events.request_resize,
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&roots_surface->request_resize);
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roots_surface->request_maximize.notify = handle_request_maximize;
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wl_signal_add(&surface->events.request_maximize,
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&roots_surface->request_maximize);
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roots_surface->request_fullscreen.notify = handle_request_fullscreen;
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wl_signal_add(&surface->events.request_fullscreen,
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&roots_surface->request_fullscreen);
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roots_surface->set_title.notify = handle_set_title;
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wl_signal_add(&surface->events.set_title, &roots_surface->set_title);
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roots_surface->set_class.notify = handle_set_class;
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wl_signal_add(&surface->events.set_class,
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&roots_surface->set_class);
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}
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struct roots_xwayland_surface *roots_xwayland_surface_from_view(
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struct roots_view *view) {
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assert(view->impl == &view_impl);
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return (struct roots_xwayland_surface *)view;
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}
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