219 lines
7.2 KiB
C
219 lines
7.2 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <wayland-server.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/types/wlr_xdg_shell_v6.h>
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#include <wlr/util/log.h>
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#include "rootston/desktop.h"
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#include "rootston/server.h"
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#include "rootston/input.h"
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static void get_size(struct roots_view *view, struct wlr_box *box) {
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assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
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struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
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// TODO: surf->geometry can be NULL
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memcpy(box, surf->geometry, sizeof(struct wlr_box));
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}
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static void activate(struct roots_view *view, bool active) {
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assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
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struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
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if (surf->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
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wlr_xdg_toplevel_v6_set_activated(surf, active);
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}
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}
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static void apply_size_constraints(struct wlr_xdg_surface_v6 *surf,
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uint32_t width, uint32_t height, uint32_t *dest_width,
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uint32_t *dest_height) {
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*dest_width = width;
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*dest_height = height;
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struct wlr_xdg_toplevel_v6_state *state =
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&surf->toplevel_state->current;
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if (width < state->min_width) {
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*dest_width = state->min_width;
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} else if (state->max_width > 0 &&
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width > state->max_width) {
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*dest_width = state->max_width;
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}
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if (height < state->min_height) {
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*dest_height = state->min_height;
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} else if (state->max_height > 0 &&
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height > state->max_height) {
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*dest_height = state->max_height;
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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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assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
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struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
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if (surf->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
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return;
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}
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uint32_t contrained_width, contrained_height;
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apply_size_constraints(surf, width, height, &contrained_width,
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&contrained_height);
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wlr_xdg_toplevel_v6_set_size(surf, contrained_width, contrained_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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assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
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struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
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if (surf->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
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return;
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}
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uint32_t contrained_width, contrained_height;
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apply_size_constraints(surf, width, height, &contrained_width,
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&contrained_height);
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x = x + width - contrained_width;
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y = y + height - contrained_height;
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// TODO: we should wait for an ack_configure event before updating the
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// position
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view->x = x;
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view->y = y;
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wlr_xdg_toplevel_v6_set_size(surf, contrained_width, contrained_height);
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}
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static void maximize(struct roots_view *view, bool maximized) {
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assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
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struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
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if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
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return;
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}
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wlr_xdg_toplevel_v6_set_maximized(surface, maximized);
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}
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static void close(struct roots_view *view) {
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assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
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struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
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if (surf->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
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wlr_xdg_toplevel_v6_send_close(surf);
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}
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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_xdg_surface_v6 *roots_xdg_surface =
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wl_container_of(listener, roots_xdg_surface, request_move);
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struct roots_view *view = roots_xdg_surface->view;
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struct roots_input *input = view->desktop->server->input;
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struct wlr_xdg_toplevel_v6_move_event *e = data;
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const struct roots_input_event *event = get_input_event(input, e->serial);
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if (!event || input->mode != ROOTS_CURSOR_PASSTHROUGH) {
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return;
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}
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view_begin_move(input, event->cursor, 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_xdg_surface_v6 *roots_xdg_surface =
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wl_container_of(listener, roots_xdg_surface, request_resize);
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struct roots_view *view = roots_xdg_surface->view;
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struct roots_input *input = view->desktop->server->input;
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struct wlr_xdg_toplevel_v6_resize_event *e = data;
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const struct roots_input_event *event = get_input_event(input, e->serial);
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if (!event || input->mode != ROOTS_CURSOR_PASSTHROUGH) {
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return;
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}
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view_begin_resize(input, event->cursor, 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_xdg_surface_v6 *roots_xdg_surface =
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wl_container_of(listener, roots_xdg_surface, request_maximize);
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struct roots_view *view = roots_xdg_surface->view;
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struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
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if (surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
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return;
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}
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view_maximize(view, surface->toplevel_state->next.maximized);
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}
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static void handle_commit(struct wl_listener *listener, void *data) {
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//struct roots_xdg_surface_v6 *roots_xdg_surface =
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// wl_container_of(listener, roots_xdg_surface, commit);
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//struct roots_view *view = roots_xdg_surface->view;
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//struct wlr_xdg_surface_v6 *surface = view->xdg_surface_v6;
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// TODO
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}
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static void handle_destroy(struct wl_listener *listener, void *data) {
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struct roots_xdg_surface_v6 *roots_xdg_surface =
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wl_container_of(listener, roots_xdg_surface, destroy);
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view_teardown(roots_xdg_surface->view);
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wl_list_remove(&roots_xdg_surface->commit.link);
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wl_list_remove(&roots_xdg_surface->destroy.link);
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wl_list_remove(&roots_xdg_surface->request_move.link);
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wl_list_remove(&roots_xdg_surface->request_resize.link);
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view_destroy(roots_xdg_surface->view);
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free(roots_xdg_surface);
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}
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void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
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struct wlr_xdg_surface_v6 *surface = data;
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assert(surface->role != WLR_XDG_SURFACE_V6_ROLE_NONE);
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if (surface->role == WLR_XDG_SURFACE_V6_ROLE_POPUP) {
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wlr_log(L_DEBUG, "new xdg popup");
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return;
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}
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struct roots_desktop *desktop =
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wl_container_of(listener, desktop, xdg_shell_v6_surface);
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wlr_log(L_DEBUG, "new xdg toplevel: title=%s, app_id=%s",
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surface->title, surface->app_id);
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wlr_xdg_surface_v6_ping(surface);
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struct roots_xdg_surface_v6 *roots_surface =
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calloc(1, sizeof(struct roots_xdg_surface_v6));
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if (!roots_surface) {
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return;
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}
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roots_surface->commit.notify = handle_commit;
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wl_signal_add(&surface->events.commit, &roots_surface->commit);
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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_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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struct roots_view *view = calloc(1, sizeof(struct roots_view));
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if (!view) {
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free(roots_surface);
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return;
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}
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view->type = ROOTS_XDG_SHELL_V6_VIEW;
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view->xdg_surface_v6 = surface;
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view->roots_xdg_surface_v6 = roots_surface;
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view->wlr_surface = surface->surface;
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view->get_size = get_size;
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view->activate = activate;
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view->resize = resize;
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view->move_resize = move_resize;
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view->maximize = maximize;
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view->close = close;
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view->desktop = desktop;
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roots_surface->view = view;
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wlr_list_add(desktop->views, view);
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view_setup(view);
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}
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