mirror of
https://github.com/labwc/labwc.git
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Split main.c into smaller files
This commit is contained in:
Johan Malm
parent
a194e07809
commit
52f81e4a39
8 changed files with 539 additions and 513 deletions
515
main.c
515
main.c
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@ -6,79 +6,6 @@
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#include <wlr/types/wlr_gamma_control_v1.h>
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#include <wlr/types/wlr_primary_selection_v1.h>
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static struct tinywl_view *next_toplevel(struct tinywl_view *current);
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static bool is_toplevel(struct tinywl_view *view);
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static void process_cursor_move(struct tinywl_server *server, uint32_t time);
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static void begin_interactive(struct tinywl_view *view,
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enum tinywl_cursor_mode mode, uint32_t edges);
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/**
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* Request that this toplevel surface show itself in an activated or
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* deactivated state.
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*/
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static void set_activated(struct wlr_surface *s, bool activated) {
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if (wlr_surface_is_xdg_surface(s)) {
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struct wlr_xdg_surface *previous;
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previous = wlr_xdg_surface_from_wlr_surface(s);
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wlr_xdg_toplevel_set_activated(previous, activated);
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} else {
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struct wlr_xwayland_surface *previous;
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previous = wlr_xwayland_surface_from_wlr_surface(s);
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wlr_xwayland_surface_activate(previous, activated);
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}
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}
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static void activate_view(struct tinywl_view *view) {
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if (view->type == LAB_XDG_SHELL_VIEW) {
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wlr_xdg_toplevel_set_activated(view->xdg_surface, true);
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} else if (view->type == LAB_XWAYLAND_VIEW) {
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wlr_xwayland_surface_activate(view->xwayland_surface, true);
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} else {
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fprintf(stderr, "warn: view was of unknown type (%s)\n", __func__);
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}
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}
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static void move_to_front(struct tinywl_view *view) {
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wl_list_remove(&view->link);
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wl_list_insert(&view->server->views, &view->link);
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}
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static void focus_view(struct tinywl_view *view, struct wlr_surface *surface) {
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/* Note: this function only deals with keyboard focus. */
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if (view == NULL) {
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return;
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}
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struct tinywl_server *server = view->server;
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struct wlr_seat *seat = server->seat;
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struct wlr_surface *prev_surface;
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prev_surface = seat->keyboard_state.focused_surface;
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if (prev_surface == surface) {
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/* Don't re-focus an already focused surface. */
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return;
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}
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if (view->type == LAB_XWAYLAND_VIEW) {
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/* Don't focus on menus, etc */
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if (!wlr_xwayland_or_surface_wants_focus(view->xwayland_surface)) {
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return;
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}
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}
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if (prev_surface) {
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set_activated(seat->keyboard_state.focused_surface, false);
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}
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struct wlr_keyboard *keyboard = wlr_seat_get_keyboard(seat);
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move_to_front(view);
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activate_view(view);
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/*
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* Tell the seat to have the keyboard enter this surface. wlroots will
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* keep track of this and automatically send key events to the
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* appropriate clients without additional work on your part.
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*/
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wlr_seat_keyboard_notify_enter(seat, view->surface, keyboard->keycodes,
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keyboard->num_keycodes, &keyboard->modifiers);
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}
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static struct tinywl_view *last_toplevel(struct tinywl_server *server) {
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struct tinywl_view *view;
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@ -94,21 +21,6 @@ static struct tinywl_view *last_toplevel(struct tinywl_server *server) {
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return NULL;
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}
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static struct tinywl_view *first_toplevel(struct tinywl_server *server) {
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struct tinywl_view *view;
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wl_list_for_each(view, &server->views, link) {
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if (!view->been_mapped) {
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continue;
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}
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if (is_toplevel(view)) {
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return view;
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}
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}
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fprintf(stderr, "warn: found no toplevel view (%s)\n", __func__);
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return NULL;
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}
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static void view_focus_last_toplevel(struct tinywl_server *server) {
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/* TODO: write view_nr_toplevel_views() */
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if (wl_list_length(&server->views) < 2) {
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@ -118,13 +30,6 @@ static void view_focus_last_toplevel(struct tinywl_server *server) {
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focus_view(view, view->surface);
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}
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static void view_focus_next_toplevel(struct tinywl_server *server) {
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struct tinywl_view *view;
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view = first_toplevel(server);
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view = next_toplevel(view);
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focus_view(view, view->surface);
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}
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static void keyboard_handle_modifiers(
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struct wl_listener *listener, void *data) {
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/* This event is raised when a modifier key, such as shift or alt, is
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@ -143,31 +48,6 @@ static void keyboard_handle_modifiers(
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&keyboard->device->keyboard->modifiers);
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}
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static int xwl_nr_parents(struct tinywl_view *view) {
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struct wlr_xwayland_surface *s = view->xwayland_surface;
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int i = 0;
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if (!s) {
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fprintf(stderr, "warn: (%s) no xwayland surface\n", __func__);
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return -1;
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}
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while (s->parent) {
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s = s->parent;
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++i;
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}
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return i;
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}
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static bool is_toplevel(struct tinywl_view *view) {
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switch (view->type) {
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case LAB_XWAYLAND_VIEW:
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return xwl_nr_parents(view) > 0 ? false : true;
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case LAB_XDG_SHELL_VIEW:
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return view->xdg_surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL;
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}
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return false;
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}
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static void xdg_debug_show_one_view(struct tinywl_view *view) {
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fprintf(stderr, "XDG ");
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switch (view->xdg_surface->role) {
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@ -240,17 +120,6 @@ static void debug_show_views(struct tinywl_server *server) {
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debug_show_one_view(view);
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}
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static struct tinywl_view *next_toplevel(struct tinywl_view *current) {
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struct tinywl_view *tmp = current;
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goto inside;
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while (!tmp->been_mapped || !is_toplevel(tmp)) {
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inside:
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tmp = wl_container_of(tmp->link.next, tmp, link);
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}
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return tmp;
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}
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static bool handle_keybinding(struct tinywl_server *server, xkb_keysym_t sym) {
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/*
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* Here we handle compositor keybindings. This is when the compositor is
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@ -404,7 +273,7 @@ static void seat_request_cursor(struct wl_listener *listener, void *data) {
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}
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}
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static bool view_at(struct tinywl_view *view,
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bool view_at(struct tinywl_view *view,
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double lx, double ly, struct wlr_surface **surface,
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double *sx, double *sy) {
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/*
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@ -625,384 +494,6 @@ static void server_cursor_frame(struct wl_listener *listener, void *data) {
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wlr_seat_pointer_notify_frame(server->seat);
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}
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/*
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* Used to move all of the data necessary to render a surface from the
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* top-level frame handler to the per-surface render function.
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*/
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struct render_data {
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struct wlr_output *output;
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struct wlr_renderer *renderer;
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struct tinywl_view *view;
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struct timespec *when;
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};
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static void render_decorations(struct wlr_output *output, struct tinywl_view *view) {
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if (!view->surface)
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return;
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if (view->type != LAB_XWAYLAND_VIEW)
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return;
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if (!is_toplevel(view))
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return;
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struct wlr_box box = {
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.x = view->x - XWL_WINDOW_BORDER,
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.y = view->y - XWL_TITLEBAR_HEIGHT - XWL_WINDOW_BORDER,
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.width = view->surface->current.width + 2 * XWL_WINDOW_BORDER,
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.height = view->surface->current.height + XWL_TITLEBAR_HEIGHT +
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2 * XWL_WINDOW_BORDER,
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};
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float matrix[9];
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wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
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output->transform_matrix);
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float color[] = { 0.2, 0.2, 0.7, 0.9 };
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wlr_render_quad_with_matrix(view->server->renderer, color, matrix);
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}
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static void render_surface(struct wlr_surface *surface,
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int sx, int sy, void *data) {
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/* This function is called for every surface that needs to be rendered. */
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struct render_data *rdata = data;
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struct tinywl_view *view = rdata->view;
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struct wlr_output *output = rdata->output;
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/* We first obtain a wlr_texture, which is a GPU resource. wlroots
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* automatically handles negotiating these with the client. The underlying
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* resource could be an opaque handle passed from the client, or the client
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* could have sent a pixel buffer which we copied to the GPU, or a few other
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* means. You don't have to worry about this, wlroots takes care of it. */
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struct wlr_texture *texture = wlr_surface_get_texture(surface);
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if (texture == NULL) {
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return;
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}
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/* The view has a position in layout coordinates. If you have two displays,
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* one next to the other, both 1080p, a view on the rightmost display might
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* have layout coordinates of 2000,100. We need to translate that to
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* output-local coordinates, or (2000 - 1920). */
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double ox = 0, oy = 0;
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wlr_output_layout_output_coords(
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view->server->output_layout, output, &ox, &oy);
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ox += view->x + sx;
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oy += view->y + sy;
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/* We also have to apply the scale factor for HiDPI outputs. This is only
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* part of the puzzle, TinyWL does not fully support HiDPI. */
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struct wlr_box box = {
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.x = ox * output->scale,
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.y = oy * output->scale,
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.width = surface->current.width * output->scale,
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.height = surface->current.height * output->scale,
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};
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/*
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* Those familiar with OpenGL are also familiar with the role of matricies
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* in graphics programming. We need to prepare a matrix to render the view
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* with. wlr_matrix_project_box is a helper which takes a box with a desired
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* x, y coordinates, width and height, and an output geometry, then
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* prepares an orthographic projection and multiplies the necessary
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* transforms to produce a model-view-projection matrix.
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*
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* Naturally you can do this any way you like, for example to make a 3D
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* compositor.
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*/
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float matrix[9];
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enum wl_output_transform transform =
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wlr_output_transform_invert(surface->current.transform);
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wlr_matrix_project_box(matrix, &box, transform, 0,
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output->transform_matrix);
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/* This takes our matrix, the texture, and an alpha, and performs the actual
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* rendering on the GPU. */
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wlr_render_texture_with_matrix(rdata->renderer, texture, matrix, 1);
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/* This lets the client know that we've displayed that frame and it can
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* prepare another one now if it likes. */
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wlr_surface_send_frame_done(surface, rdata->when);
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}
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static void output_frame(struct wl_listener *listener, void *data) {
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/* This function is called every time an output is ready to display a frame,
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* generally at the output's refresh rate (e.g. 60Hz). */
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struct tinywl_output *output =
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wl_container_of(listener, output, frame);
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struct wlr_renderer *renderer = output->server->renderer;
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struct timespec now;
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clock_gettime(CLOCK_MONOTONIC, &now);
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/* wlr_output_attach_render makes the OpenGL context current. */
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if (!wlr_output_attach_render(output->wlr_output, NULL)) {
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return;
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}
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/* The "effective" resolution can change if you rotate your outputs. */
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int width, height;
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wlr_output_effective_resolution(output->wlr_output, &width, &height);
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/* Begin the renderer (calls glViewport and some other GL sanity checks) */
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wlr_renderer_begin(renderer, width, height);
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float color[4] = {0.3, 0.3, 0.3, 1.0};
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wlr_renderer_clear(renderer, color);
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/* Each subsequent window we render is rendered on top of the last. Because
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* our view list is ordered front-to-back, we iterate over it backwards. */
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struct tinywl_view *view;
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wl_list_for_each_reverse(view, &output->server->views, link) {
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if (!view->mapped) {
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/* An unmapped view should not be rendered. */
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continue;
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}
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struct render_data rdata = {
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.output = output->wlr_output,
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.view = view,
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.renderer = renderer,
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.when = &now,
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};
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render_decorations(output->wlr_output, view);
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/* This calls our render_surface function for each surface among the
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* xdg_surface's toplevel and popups. */
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if (view->type == LAB_XDG_SHELL_VIEW) {
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wlr_xdg_surface_for_each_surface(view->xdg_surface,
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render_surface, &rdata);
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} else if (view->type == LAB_XWAYLAND_VIEW) {
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render_surface(view->xwayland_surface->surface, 0, 0,
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&rdata);
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}
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}
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/* Hardware cursors are rendered by the GPU on a separate plane, and can be
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* moved around without re-rendering what's beneath them - which is more
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* efficient. However, not all hardware supports hardware cursors. For this
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* reason, wlroots provides a software fallback, which we ask it to render
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* here. wlr_cursor handles configuring hardware vs software cursors for you,
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* and this function is a no-op when hardware cursors are in use. */
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wlr_output_render_software_cursors(output->wlr_output, NULL);
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/* Conclude rendering and swap the buffers, showing the final frame
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* on-screen. */
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wlr_renderer_end(renderer);
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wlr_output_commit(output->wlr_output);
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}
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static void server_new_output(struct wl_listener *listener, void *data) {
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/* This event is rasied by the backend when a new output (aka a display or
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* monitor) becomes available. */
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struct tinywl_server *server =
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wl_container_of(listener, server, new_output);
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struct wlr_output *wlr_output = data;
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/* Some backends don't have modes. DRM+KMS does, and we need to set a mode
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* before we can use the output. The mode is a tuple of (width, height,
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* refresh rate), and each monitor supports only a specific set of modes. We
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* just pick the first, a more sophisticated compositor would let the user
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* configure it or pick the mode the display advertises as preferred. */
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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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/* Allocates and configures our state for this output */
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struct tinywl_output *output =
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calloc(1, sizeof(struct tinywl_output));
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output->wlr_output = wlr_output;
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output->server = server;
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/* Sets up a listener for the frame notify event. */
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output->frame.notify = output_frame;
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wl_signal_add(&wlr_output->events.frame, &output->frame);
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wl_list_insert(&server->outputs, &output->link);
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/* Adds this to the output layout. The add_auto function arranges outputs
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* from left-to-right in the order they appear. A more sophisticated
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* compositor would let the user configure the arrangement of outputs in the
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* layout. */
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wlr_output_layout_add_auto(server->output_layout, wlr_output);
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/* Creating the global adds a wl_output global to the display, which Wayland
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* clients can see to find out information about the output (such as
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* DPI, scale factor, manufacturer, etc). */
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wlr_output_create_global(wlr_output);
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}
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static void xwl_surface_map(struct wl_listener *listener, void *data) {
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struct tinywl_view *view = wl_container_of(listener, view, map);
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view->mapped = true;
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view->been_mapped = true;
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view->x = view->xwayland_surface->x;
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view->y = view->xwayland_surface->y;
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view->surface = view->xwayland_surface->surface;
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move_to_front(view);
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focus_view(view, view->xwayland_surface->surface);
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}
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static void xwl_surface_unmap(struct wl_listener *listener, void *data) {
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struct tinywl_view *view = wl_container_of(listener, view, unmap);
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view->mapped = false;
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if (is_toplevel(view))
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view_focus_next_toplevel(view->server);
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}
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static void xwl_surface_destroy(struct wl_listener *listener, void *data) {
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struct tinywl_view *view = wl_container_of(listener, view, destroy);
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wl_list_remove(&view->link);
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free(view);
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}
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static void xwl_surface_configure(struct wl_listener *listener, void *data) {
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struct tinywl_view *view = wl_container_of(listener, view, request_configure);
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struct wlr_xwayland_surface_configure_event *event = data;
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wlr_xwayland_surface_configure(view->xwayland_surface, event->x, event->y,
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event->width, event->height);
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}
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void server_new_xwayland_surface(struct wl_listener *listener, void *data) {
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struct tinywl_server *server =
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wl_container_of(listener, server, new_xwayland_surface);
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struct wlr_xwayland_surface *xwayland_surface = data;
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wlr_xwayland_surface_ping(xwayland_surface);
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struct tinywl_view *view = calloc(1, sizeof(struct tinywl_view));
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view->server = server;
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view->type = LAB_XWAYLAND_VIEW;
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view->xwayland_surface = xwayland_surface;
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|
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view->map.notify = xwl_surface_map;
|
||||
wl_signal_add(&xwayland_surface->events.map, &view->map);
|
||||
view->unmap.notify = xwl_surface_unmap;
|
||||
wl_signal_add(&xwayland_surface->events.unmap, &view->unmap);
|
||||
view->destroy.notify = xwl_surface_destroy;
|
||||
wl_signal_add(&xwayland_surface->events.destroy, &view->destroy);
|
||||
view->request_configure.notify = xwl_surface_configure;
|
||||
wl_signal_add(&xwayland_surface->events.request_configure, &view->request_configure);
|
||||
|
||||
wl_list_insert(&server->views, &view->link);
|
||||
}
|
||||
|
||||
static void xdg_surface_map(struct wl_listener *listener, void *data) {
|
||||
/* Called when the surface is mapped, or ready to display on-screen. */
|
||||
struct tinywl_view *view = wl_container_of(listener, view, map);
|
||||
view->mapped = true;
|
||||
view->been_mapped = true;
|
||||
view->surface = view->xdg_surface->surface;
|
||||
focus_view(view, view->xdg_surface->surface);
|
||||
}
|
||||
|
||||
static void xdg_surface_unmap(struct wl_listener *listener, void *data) {
|
||||
/* Called when the surface is unmapped, and should no longer be shown. */
|
||||
struct tinywl_view *view = wl_container_of(listener, view, unmap);
|
||||
view->mapped = false;
|
||||
view_focus_next_toplevel(view->server);
|
||||
}
|
||||
|
||||
static void xdg_surface_destroy(struct wl_listener *listener, void *data) {
|
||||
/* Called when the surface is destroyed and should never be shown again. */
|
||||
struct tinywl_view *view = wl_container_of(listener, view, destroy);
|
||||
wl_list_remove(&view->link);
|
||||
free(view);
|
||||
}
|
||||
|
||||
static void begin_interactive(struct tinywl_view *view,
|
||||
enum tinywl_cursor_mode mode, uint32_t edges) {
|
||||
/* This function sets up an interactive move or resize operation, where the
|
||||
* compositor stops propegating pointer events to clients and instead
|
||||
* consumes them itself, to move or resize windows. */
|
||||
struct tinywl_server *server = view->server;
|
||||
struct wlr_surface *focused_surface =
|
||||
server->seat->pointer_state.focused_surface;
|
||||
if (view->surface != focused_surface) {
|
||||
/* Deny move/resize requests from unfocused clients. */
|
||||
return;
|
||||
}
|
||||
server->grabbed_view = view;
|
||||
server->cursor_mode = mode;
|
||||
|
||||
struct wlr_box geo_box;
|
||||
switch (view->type) {
|
||||
case LAB_XDG_SHELL_VIEW:
|
||||
wlr_xdg_surface_get_geometry(view->xdg_surface, &geo_box);
|
||||
break;
|
||||
case LAB_XWAYLAND_VIEW:
|
||||
geo_box.x = view->xwayland_surface->x;
|
||||
geo_box.y = view->xwayland_surface->y;
|
||||
geo_box.width = view->xwayland_surface->width;
|
||||
geo_box.height = view->xwayland_surface->height;
|
||||
break;
|
||||
}
|
||||
|
||||
if (mode == TINYWL_CURSOR_MOVE) {
|
||||
server->grab_x = server->cursor->x - view->x;
|
||||
server->grab_y = server->cursor->y - view->y;
|
||||
} else {
|
||||
server->grab_x = server->cursor->x + geo_box.x;
|
||||
server->grab_y = server->cursor->y + geo_box.y;
|
||||
}
|
||||
server->grab_width = geo_box.width;
|
||||
server->grab_height = geo_box.height;
|
||||
server->resize_edges = edges;
|
||||
}
|
||||
|
||||
static void xdg_toplevel_request_move(
|
||||
struct wl_listener *listener, void *data) {
|
||||
/* This event is raised when a client would like to begin an interactive
|
||||
* move, typically because the user clicked on their client-side
|
||||
* decorations. Note that a more sophisticated compositor should check the
|
||||
* provied serial against a list of button press serials sent to this
|
||||
* client, to prevent the client from requesting this whenever they want. */
|
||||
struct tinywl_view *view = wl_container_of(listener, view, request_move);
|
||||
begin_interactive(view, TINYWL_CURSOR_MOVE, 0);
|
||||
}
|
||||
|
||||
static void xdg_toplevel_request_resize(
|
||||
struct wl_listener *listener, void *data) {
|
||||
/* This event is raised when a client would like to begin an interactive
|
||||
* resize, typically because the user clicked on their client-side
|
||||
* decorations. Note that a more sophisticated compositor should check the
|
||||
* provied serial against a list of button press serials sent to this
|
||||
* client, to prevent the client from requesting this whenever they want. */
|
||||
struct wlr_xdg_toplevel_resize_event *event = data;
|
||||
struct tinywl_view *view = wl_container_of(listener, view, request_resize);
|
||||
begin_interactive(view, TINYWL_CURSOR_RESIZE, event->edges);
|
||||
}
|
||||
|
||||
static void server_new_xdg_surface(struct wl_listener *listener, void *data) {
|
||||
/* This event is raised when wlr_xdg_shell receives a new xdg surface from a
|
||||
* client, either a toplevel (application window) or popup. */
|
||||
struct tinywl_server *server =
|
||||
wl_container_of(listener, server, new_xdg_surface);
|
||||
struct wlr_xdg_surface *xdg_surface = data;
|
||||
if (xdg_surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
|
||||
return;
|
||||
}
|
||||
|
||||
/* Allocate a tinywl_view for this surface */
|
||||
struct tinywl_view *view =
|
||||
calloc(1, sizeof(struct tinywl_view));
|
||||
view->server = server;
|
||||
view->type = LAB_XDG_SHELL_VIEW;
|
||||
view->xdg_surface = xdg_surface;
|
||||
|
||||
/* Listen to the various events it can emit */
|
||||
view->map.notify = xdg_surface_map;
|
||||
wl_signal_add(&xdg_surface->events.map, &view->map);
|
||||
view->unmap.notify = xdg_surface_unmap;
|
||||
wl_signal_add(&xdg_surface->events.unmap, &view->unmap);
|
||||
view->destroy.notify = xdg_surface_destroy;
|
||||
wl_signal_add(&xdg_surface->events.destroy, &view->destroy);
|
||||
|
||||
/* cotd */
|
||||
struct wlr_xdg_toplevel *toplevel = xdg_surface->toplevel;
|
||||
view->request_move.notify = xdg_toplevel_request_move;
|
||||
wl_signal_add(&toplevel->events.request_move, &view->request_move);
|
||||
view->request_resize.notify = xdg_toplevel_request_resize;
|
||||
wl_signal_add(&toplevel->events.request_resize, &view->request_resize);
|
||||
|
||||
/* Add it to the list of views. */
|
||||
wl_list_insert(&server->views, &view->link);
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
wlr_log_init(WLR_ERROR, NULL);
|
||||
char *startup_cmd = NULL;
|
||||
|
|
@ -1074,7 +565,7 @@ int main(int argc, char *argv[]) {
|
|||
*/
|
||||
wl_list_init(&server.views);
|
||||
server.xdg_shell = wlr_xdg_shell_create(server.wl_display);
|
||||
server.new_xdg_surface.notify = server_new_xdg_surface;
|
||||
server.new_xdg_surface.notify = xdg_surface_new;
|
||||
wl_signal_add(&server.xdg_shell->events.new_surface,
|
||||
&server.new_xdg_surface);
|
||||
|
||||
|
|
@ -1146,7 +637,7 @@ int main(int argc, char *argv[]) {
|
|||
|
||||
/* Init xwayland */
|
||||
server.xwayland = wlr_xwayland_create(server.wl_display, server.compositor, false);
|
||||
server.new_xwayland_surface.notify = server_new_xwayland_surface;
|
||||
server.new_xwayland_surface.notify = xwl_surface_new;
|
||||
wl_signal_add(&server.xwayland->events.new_surface, &server.new_xwayland_surface);
|
||||
setenv("DISPLAY", server.xwayland->display_name, true);
|
||||
wlr_xwayland_set_seat(server.xwayland, server.seat);
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue