/* * See LICENSE file for copyright and license details. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "util.h" /* macros */ #define MAX(A, B) ((A) > (B) ? (A) : (B)) #define MIN(A, B) ((A) < (B) ? (A) : (B)) #define ROUND(X) ((int)((X < 0) ? (X - 0.5) : (X + 0.5))) #define CLEANMASK(mask) (mask & ~WLR_MODIFIER_CAPS) #define VISIBLEON(C, M) ((M) && (C)->mon == (M) && ((C)->tags & (M)->tagset[(M)->seltags])) #define LENGTH(X) (sizeof X / sizeof X[0]) #define END(A) ((A) + LENGTH(A)) #define TAGMASK ((1u << TAGCOUNT) - 1) #define LISTEN(E, L, H) wl_signal_add((E), ((L)->notify = (H), (L))) #define LISTEN_STATIC(E, H) do { static struct wl_listener _l = {.notify = (H)}; wl_signal_add((E), &_l); } while (0) /* enums */ enum { CurNormal, CurPressed, CurMove, CurResize }; /* cursor */ enum { XDGShell, LayerShell, X11 }; /* client types */ enum { LyrBg, LyrBottom, LyrTile, LyrFloat, LyrFS, LyrTop, LyrOverlay, LyrBlock, NUM_LAYERS }; /* scene layers */ typedef union { int i; uint32_t ui; float f; const void *v; } Arg; typedef struct { unsigned int mod; unsigned int button; void (*func)(const Arg *); const Arg arg; } Button; typedef struct Monitor Monitor; typedef struct { /* Must keep these three elements in this order */ unsigned int type; /* XDGShell or X11* */ struct wlr_box geom; /* layout-relative, includes border */ Monitor *mon; struct wlr_scene_tree *scene; struct wlr_scene_rect *border[4]; /* top, bottom, left, right */ struct wlr_scene_tree *scene_surface; struct wl_list link; struct wl_list flink; union { struct wlr_xdg_surface *xdg; struct wlr_xwayland_surface *xwayland; } surface; struct wlr_xdg_toplevel_decoration_v1 *decoration; struct wl_listener commit; struct wl_listener map; struct wl_listener maximize; struct wl_listener unmap; struct wl_listener destroy; struct wl_listener set_title; struct wl_listener fullscreen; struct wl_listener set_decoration_mode; struct wl_listener destroy_decoration; struct wlr_box prev; /* layout-relative, includes border */ struct wlr_box bounds; unsigned int bw; uint32_t tags; int isfloating, isurgent, isfullscreen; uint32_t resize; /* configure serial of a pending resize */ } Client; typedef struct { uint32_t mod; xkb_keysym_t keysym; void (*func)(const Arg *); const Arg arg; } Key; typedef struct { struct wl_list link; struct wlr_keyboard_group *wlr_group; int nsyms; const xkb_keysym_t *keysyms; /* invalid if nsyms == 0 */ uint32_t mods; /* invalid if nsyms == 0 */ struct wl_event_source *key_repeat_source; struct wl_listener modifiers; struct wl_listener key; } KeyboardGroup; typedef struct { /* Must keep these three elements in this order */ unsigned int type; /* LayerShell */ struct wlr_box geom; Monitor *mon; struct wlr_scene_tree *scene; struct wlr_scene_tree *popups; struct wlr_scene_layer_surface_v1 *scene_layer; struct wl_list link; int mapped; struct wlr_layer_surface_v1 *layer_surface; struct wl_listener destroy; struct wl_listener map; struct wl_listener unmap; struct wl_listener surface_commit; } LayerSurface; typedef struct { const char *symbol; void (*arrange)(Monitor *); } Layout; struct Monitor { struct wl_list link; struct wlr_output *wlr_output; struct wlr_scene_output *scene_output; struct wlr_scene_rect *fullscreen_bg; /* See createmon() for info */ struct wl_listener frame; struct wl_listener destroy; struct wl_listener request_state; struct wl_listener destroy_lock_surface; struct wlr_session_lock_surface_v1 *lock_surface; struct wlr_box m; /* monitor area, layout-relative */ struct wlr_box w; /* window area, layout-relative */ struct wl_list layers[4]; /* LayerSurface.link */ const Layout *lt[2]; unsigned int seltags; unsigned int sellt; uint32_t tagset[2]; float mfact; int gamma_lut_changed; int nmaster; char ltsymbol[16]; }; typedef struct { const char *name; float mfact; int nmaster; float scale; const Layout *lt; enum wl_output_transform rr; int x, y; } MonitorRule; typedef struct { const char *id; const char *title; uint32_t tags; int isfloating; int monitor; } Rule; typedef struct { struct wlr_scene_tree *scene; struct wlr_session_lock_v1 *lock; struct wl_listener new_surface; struct wl_listener unlock; struct wl_listener destroy; } SessionLock; /* function declarations */ static void applybounds(Client *c, struct wlr_box *bbox); static void autostartexec(void); static void applyrules(Client *c); static void arrange(Monitor *m); static void arrangelayer(Monitor *m, struct wl_list *list, struct wlr_box *usable_area, int exclusive); static void arrangelayers(Monitor *m); static void axisnotify(struct wl_listener *listener, void *data); static void buttonpress(struct wl_listener *listener, void *data); static void chvt(const Arg *arg); static void checkidleinhibitor(struct wlr_surface *exclude); static void cleanup(void); static void cleanupmon(struct wl_listener *listener, void *data); static void closemon(Monitor *m); static void commitlayersurfacenotify(struct wl_listener *listener, void *data); static void commitnotify(struct wl_listener *listener, void *data); static void createdecoration(struct wl_listener *listener, void *data); static void createidleinhibitor(struct wl_listener *listener, void *data); static void createkeyboard(struct wlr_keyboard *keyboard); static void createlayersurface(struct wl_listener *listener, void *data); static void createlocksurface(struct wl_listener *listener, void *data); static void createmon(struct wl_listener *listener, void *data); static void createnotify(struct wl_listener *listener, void *data); static void createpointer(struct wlr_pointer *pointer); static void cursorframe(struct wl_listener *listener, void *data); static void destroydecoration(struct wl_listener *listener, void *data); static void destroydragicon(struct wl_listener *listener, void *data); static void destroyidleinhibitor(struct wl_listener *listener, void *data); static void destroylayersurfacenotify(struct wl_listener *listener, void *data); static void destroylock(SessionLock *lock, int unlocked); static void destroylocksurface(struct wl_listener *listener, void *data); static void destroynotify(struct wl_listener *listener, void *data); static void destroysessionlock(struct wl_listener *listener, void *data); static void destroysessionmgr(struct wl_listener *listener, void *data); static Monitor *dirtomon(enum wlr_direction dir); static void focusclient(Client *c, int lift); static void focusmon(const Arg *arg); static void focusstack(const Arg *arg); static Client *focustop(Monitor *m); static void fullscreennotify(struct wl_listener *listener, void *data); static void handlesig(int signo); static void incnmaster(const Arg *arg); static void inputdevice(struct wl_listener *listener, void *data); static int keybinding(uint32_t mods, xkb_keysym_t sym); static void keypress(struct wl_listener *listener, void *data); static void keypressmod(struct wl_listener *listener, void *data); static int keyrepeat(void *data); static void killclient(const Arg *arg); static void locksession(struct wl_listener *listener, void *data); static void maplayersurfacenotify(struct wl_listener *listener, void *data); static void mapnotify(struct wl_listener *listener, void *data); static void maximizenotify(struct wl_listener *listener, void *data); static void monocle(Monitor *m); static void motionabsolute(struct wl_listener *listener, void *data); static void motionnotify(uint32_t time); static void motionrelative(struct wl_listener *listener, void *data); static void moveresize(const Arg *arg); static void outputmgrapply(struct wl_listener *listener, void *data); static void outputmgrapplyortest(struct wlr_output_configuration_v1 *config, int test); static void outputmgrtest(struct wl_listener *listener, void *data); static void pointerfocus(Client *c, struct wlr_surface *surface, double sx, double sy, uint32_t time); static void printstatus(void); static void quit(const Arg *arg); static void rendermon(struct wl_listener *listener, void *data); static void requestdecorationmode(struct wl_listener *listener, void *data); static void requeststartdrag(struct wl_listener *listener, void *data); static void requestmonstate(struct wl_listener *listener, void *data); static void resize(Client *c, struct wlr_box geo, int interact); static void run(char *startup_cmd); static void setcursor(struct wl_listener *listener, void *data); static void setcursorshape(struct wl_listener *listener, void *data); static void setfloating(Client *c, int floating); static void setfullscreen(Client *c, int fullscreen); static void setgamma(struct wl_listener *listener, void *data); static void setlayout(const Arg *arg); static void setmfact(const Arg *arg); static void setmon(Client *c, Monitor *m, uint32_t newtags); static void setpsel(struct wl_listener *listener, void *data); static void setsel(struct wl_listener *listener, void *data); static void setup(void); static void spawn(const Arg *arg); static void startdrag(struct wl_listener *listener, void *data); static void tag(const Arg *arg); static void tagmon(const Arg *arg); static void tile(Monitor *m); static void togglefloating(const Arg *arg); static void togglefullscreen(const Arg *arg); static void toggletag(const Arg *arg); static void toggleview(const Arg *arg); static void unlocksession(struct wl_listener *listener, void *data); static void unmaplayersurfacenotify(struct wl_listener *listener, void *data); static void unmapnotify(struct wl_listener *listener, void *data); static void updatemons(struct wl_listener *listener, void *data); static void updatetitle(struct wl_listener *listener, void *data); static void urgent(struct wl_listener *listener, void *data); static void view(const Arg *arg); static void virtualkeyboard(struct wl_listener *listener, void *data); static void virtualpointer(struct wl_listener *listener, void *data); static Monitor *xytomon(double x, double y); static void xytonode(double x, double y, struct wlr_surface **psurface, Client **pc, LayerSurface **pl, double *nx, double *ny); static void zoom(const Arg *arg); /* variables */ static char const* autostart_runtime[256] = {NULL}; static const char broken[] = "broken"; static pid_t child_pid = -1; static int locked; static void *exclusive_focus; static struct wl_display *dpy; static struct wlr_backend *backend; static struct wlr_scene *scene; static struct wlr_scene_tree *layers[NUM_LAYERS]; static struct wlr_scene_tree *drag_icon; /* Map from ZWLR_LAYER_SHELL_* constants to Lyr* enum */ static const int layermap[] = { LyrBg, LyrBottom, LyrTop, LyrOverlay }; static struct wlr_renderer *drw; static struct wlr_allocator *alloc; static struct wlr_compositor *compositor; static struct wlr_session *session; static struct wlr_xdg_shell *xdg_shell; static struct wlr_xdg_activation_v1 *activation; static struct wlr_xdg_decoration_manager_v1 *xdg_decoration_mgr; static struct wl_list clients; /* tiling order */ static struct wl_list fstack; /* focus order */ static struct wlr_idle_notifier_v1 *idle_notifier; static struct wlr_idle_inhibit_manager_v1 *idle_inhibit_mgr; static struct wlr_layer_shell_v1 *layer_shell; static struct wlr_output_manager_v1 *output_mgr; static struct wlr_gamma_control_manager_v1 *gamma_control_mgr; static struct wlr_virtual_keyboard_manager_v1 *virtual_keyboard_mgr; static struct wlr_virtual_pointer_manager_v1 *virtual_pointer_mgr; static struct wlr_cursor_shape_manager_v1 *cursor_shape_mgr; static struct wlr_cursor *cursor; static struct wlr_xcursor_manager *cursor_mgr; static struct wlr_scene_rect *root_bg; static struct wlr_session_lock_manager_v1 *session_lock_mgr; static struct wlr_scene_rect *locked_bg; static struct wlr_session_lock_v1 *cur_lock; static struct wl_listener lock_listener = {.notify = locksession}; static struct wlr_seat *seat; static KeyboardGroup kb_group = {0}; static KeyboardGroup vkb_group = {0}; static struct wlr_surface *held_grab; static unsigned int cursor_mode; static Client *grabc; static int grabcx, grabcy; /* client-relative */ static struct wlr_output_layout *output_layout; static struct wlr_box sgeom; static struct wl_list mons; static Monitor *selmon; /* configuration, allows nested code to access above variables */ #include "config.h" /* attempt to encapsulate suck into one file */ #include "client.h" static pid_t *autostart_pids; static size_t autostart_len; /* function implementations */ void applybounds(Client *c, struct wlr_box *bbox) { /* set minimum possible */ c->geom.width = MAX(1, c->geom.width); c->geom.height = MAX(1, c->geom.height); if (c->geom.x >= bbox->x + bbox->width) c->geom.x = bbox->x + bbox->width - c->geom.width; if (c->geom.y >= bbox->y + bbox->height) c->geom.y = bbox->y + bbox->height - c->geom.height; if (c->geom.x + c->geom.width + 2 * (int)c->bw <= bbox->x) c->geom.x = bbox->x; if (c->geom.y + c->geom.height + 2 * (int)c->bw <= bbox->y) c->geom.y = bbox->y; } void autostartexec(void) { const char *const *p; size_t i = 0; /* count entries */ for (p = autostart; *p; autostart_len++, p++) while (*++p); /* count runtime entries */ for (p = autostart_runtime; *p; autostart_len++, p++) while (*++p); autostart_pids = calloc(autostart_len, sizeof(pid_t)); for (p = autostart; *p; i++, p++) { if ((autostart_pids[i] = fork()) == 0) { setsid(); execvp(*p, (char *const *)p); die("dwl: execvp %s:", *p); } /* skip arguments */ while (*++p); } for (p = autostart_runtime; *p; i++, p++) { if ((autostart_pids[i] = fork()) == 0) { setsid(); execvp(*p, (char *const *)p); die("dwl: execvp %s:", *p); } /* skip arguments */ while (*++p); } } void applyrules(Client *c) { /* rule matching */ const char *appid, *title; uint32_t newtags = 0; int i; const Rule *r; Monitor *mon = selmon, *m; c->isfloating = client_is_float_type(c); if (!(appid = client_get_appid(c))) appid = broken; if (!(title = client_get_title(c))) title = broken; for (r = rules; r < END(rules); r++) { if ((!r->title || strstr(title, r->title)) && (!r->id || strstr(appid, r->id))) { c->isfloating = r->isfloating; newtags |= r->tags; i = 0; wl_list_for_each(m, &mons, link) { if (r->monitor == i++) mon = m; } } } wlr_scene_node_reparent(&c->scene->node, layers[c->isfloating ? LyrFloat : LyrTile]); setmon(c, mon, newtags); } void arrange(Monitor *m) { Client *c; if (!m->wlr_output->enabled) return; wl_list_for_each(c, &clients, link) { if (c->mon == m) { wlr_scene_node_set_enabled(&c->scene->node, VISIBLEON(c, m)); client_set_suspended(c, !VISIBLEON(c, m)); } } wlr_scene_node_set_enabled(&m->fullscreen_bg->node, (c = focustop(m)) && c->isfullscreen); strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, LENGTH(m->ltsymbol)); if (m->lt[m->sellt]->arrange) m->lt[m->sellt]->arrange(m); motionnotify(0); checkidleinhibitor(NULL); } void arrangelayer(Monitor *m, struct wl_list *list, struct wlr_box *usable_area, int exclusive) { LayerSurface *l; struct wlr_box full_area = m->m; wl_list_for_each(l, list, link) { struct wlr_layer_surface_v1 *layer_surface = l->layer_surface; if (exclusive != (layer_surface->current.exclusive_zone > 0)) continue; wlr_scene_layer_surface_v1_configure(l->scene_layer, &full_area, usable_area); wlr_scene_node_set_position(&l->popups->node, l->scene->node.x, l->scene->node.y); l->geom.x = l->scene->node.x; l->geom.y = l->scene->node.y; } } void arrangelayers(Monitor *m) { int i; struct wlr_box usable_area = m->m; LayerSurface *l; uint32_t layers_above_shell[] = { ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY, ZWLR_LAYER_SHELL_V1_LAYER_TOP, }; if (!m->wlr_output->enabled) return; /* Arrange exclusive surfaces from top->bottom */ for (i = 3; i >= 0; i--) arrangelayer(m, &m->layers[i], &usable_area, 1); if (!wlr_box_equal(&usable_area, &m->w)) { m->w = usable_area; arrange(m); } /* Arrange non-exlusive surfaces from top->bottom */ for (i = 3; i >= 0; i--) arrangelayer(m, &m->layers[i], &usable_area, 0); /* Find topmost keyboard interactive layer, if such a layer exists */ for (i = 0; i < (int)LENGTH(layers_above_shell); i++) { wl_list_for_each_reverse(l, &m->layers[layers_above_shell[i]], link) { if (locked || !l->layer_surface->current.keyboard_interactive || !l->mapped) continue; /* Deactivate the focused client. */ focusclient(NULL, 0); exclusive_focus = l; client_notify_enter(l->layer_surface->surface, wlr_seat_get_keyboard(seat)); return; } } } void axisnotify(struct wl_listener *listener, void *data) { /* This event is forwarded by the cursor when a pointer emits an axis event, * for example when you move the scroll wheel. */ struct wlr_pointer_axis_event *event = data; wlr_idle_notifier_v1_notify_activity(idle_notifier, seat); /* TODO: allow usage of scroll whell for mousebindings, it can be implemented * checking the event's orientation and the delta of the event */ /* Notify the client with pointer focus of the axis event. */ wlr_seat_pointer_notify_axis(seat, event->time_msec, event->orientation, event->delta, event->delta_discrete, event->source); } void buttonpress(struct wl_listener *listener, void *data) { struct wlr_pointer_button_event *event = data; struct wlr_keyboard *keyboard; uint32_t mods; Client *c; const Button *b; wlr_idle_notifier_v1_notify_activity(idle_notifier, seat); switch (event->state) { case WLR_BUTTON_PRESSED: cursor_mode = CurPressed; held_grab = seat->pointer_state.focused_surface; if (locked) break; /* Change focus if the button was _pressed_ over a client */ xytonode(cursor->x, cursor->y, NULL, &c, NULL, NULL, NULL); if (c && (!client_is_unmanaged(c) || client_wants_focus(c))) focusclient(c, 1); keyboard = wlr_seat_get_keyboard(seat); mods = keyboard ? wlr_keyboard_get_modifiers(keyboard) : 0; for (b = buttons; b < END(buttons); b++) { if (CLEANMASK(mods) == CLEANMASK(b->mod) && event->button == b->button && b->func) { b->func(&b->arg); return; } } break; case WLR_BUTTON_RELEASED: held_grab = NULL; /* If you released any buttons, we exit interactive move/resize mode. */ /* TODO should reset to the pointer focus's current setcursor */ if (!locked && cursor_mode != CurNormal && cursor_mode != CurPressed) { wlr_cursor_set_xcursor(cursor, cursor_mgr, "default"); cursor_mode = CurNormal; /* Drop the window off on its new monitor */ selmon = xytomon(cursor->x, cursor->y); setmon(grabc, selmon, 0); return; } else { cursor_mode = CurNormal; } break; } /* If the event wasn't handled by the compositor, notify the client with * pointer focus that a button press has occurred */ wlr_seat_pointer_notify_button(seat, event->time_msec, event->button, event->state); } void chvt(const Arg *arg) { wlr_session_change_vt(session, arg->ui); } void checkidleinhibitor(struct wlr_surface *exclude) { int inhibited = 0, unused_lx, unused_ly; struct wlr_idle_inhibitor_v1 *inhibitor; wl_list_for_each(inhibitor, &idle_inhibit_mgr->inhibitors, link) { struct wlr_surface *surface = wlr_surface_get_root_surface(inhibitor->surface); struct wlr_scene_tree *tree = surface->data; if (exclude != surface && (bypass_surface_visibility || (!tree || wlr_scene_node_coords(&tree->node, &unused_lx, &unused_ly)))) { inhibited = 1; break; } } wlr_idle_notifier_v1_set_inhibited(idle_notifier, inhibited); } void cleanup(void) { size_t i; wl_display_destroy_clients(dpy); /* kill child processes */ for (i = 0; i < autostart_len; i++) { if (0 < autostart_pids[i]) { kill(autostart_pids[i], SIGTERM); waitpid(autostart_pids[i], NULL, 0); } } if (child_pid > 0) { kill(child_pid, SIGTERM); waitpid(child_pid, NULL, 0); } wlr_xcursor_manager_destroy(cursor_mgr); wlr_output_layout_destroy(output_layout); /* Remove event source that use the dpy event loop before destroying dpy */ wl_event_source_remove(kb_group.key_repeat_source); wl_event_source_remove(vkb_group.key_repeat_source); wl_display_destroy(dpy); /* Destroy after the wayland display (when the monitors are already destroyed) to avoid destroying them with an invalid scene output. */ wlr_scene_node_destroy(&scene->tree.node); } void cleanupmon(struct wl_listener *listener, void *data) { Monitor *m = wl_container_of(listener, m, destroy); LayerSurface *l, *tmp; size_t i; /* m->layers[i] are intentionally not unlinked */ for (i = 0; i < LENGTH(m->layers); i++) { wl_list_for_each_safe(l, tmp, &m->layers[i], link) wlr_layer_surface_v1_destroy(l->layer_surface); } wl_list_remove(&m->destroy.link); wl_list_remove(&m->frame.link); wl_list_remove(&m->link); wl_list_remove(&m->request_state.link); m->wlr_output->data = NULL; wlr_output_layout_remove(output_layout, m->wlr_output); wlr_scene_output_destroy(m->scene_output); closemon(m); wlr_scene_node_destroy(&m->fullscreen_bg->node); free(m); } void closemon(Monitor *m) { /* update selmon if needed and * move closed monitor's clients to the focused one */ Client *c; int i = 0, nmons = wl_list_length(&mons); if (!nmons) { selmon = NULL; } else if (m == selmon) { do /* don't switch to disabled mons */ selmon = wl_container_of(mons.next, selmon, link); while (!selmon->wlr_output->enabled && i++ < nmons); } wl_list_for_each(c, &clients, link) { if (c->isfloating && c->geom.x > m->m.width) resize(c, (struct wlr_box){.x = c->geom.x - m->w.width, .y = c->geom.y, .width = c->geom.width, .height = c->geom.height}, 0); if (c->mon == m) setmon(c, selmon, c->tags); } focusclient(focustop(selmon), 1); printstatus(); } void commitlayersurfacenotify(struct wl_listener *listener, void *data) { LayerSurface *l = wl_container_of(listener, l, surface_commit); struct wlr_layer_surface_v1 *layer_surface = l->layer_surface; struct wlr_scene_tree *scene_layer = layers[layermap[layer_surface->current.layer]]; if (layer_surface->current.committed == 0 && l->mapped == layer_surface->surface->mapped) return; l->mapped = layer_surface->surface->mapped; if (scene_layer != l->scene->node.parent) { wlr_scene_node_reparent(&l->scene->node, scene_layer); wl_list_remove(&l->link); wl_list_insert(&l->mon->layers[layer_surface->current.layer], &l->link); wlr_scene_node_reparent(&l->popups->node, (layer_surface->current.layer < ZWLR_LAYER_SHELL_V1_LAYER_TOP ? layers[LyrTop] : scene_layer)); } arrangelayers(l->mon); } void commitnotify(struct wl_listener *listener, void *data) { Client *c = wl_container_of(listener, c, commit); if (client_surface(c)->mapped && c->mon) resize(c, c->geom, (c->isfloating && !c->isfullscreen)); /* mark a pending resize as completed */ if (c->resize && c->resize <= c->surface.xdg->current.configure_serial) c->resize = 0; } void createdecoration(struct wl_listener *listener, void *data) { struct wlr_xdg_toplevel_decoration_v1 *deco = data; Client *c = deco->toplevel->base->data; c->decoration = deco; LISTEN(&deco->events.request_mode, &c->set_decoration_mode, requestdecorationmode); LISTEN(&deco->events.destroy, &c->destroy_decoration, destroydecoration); requestdecorationmode(&c->set_decoration_mode, deco); } void createidleinhibitor(struct wl_listener *listener, void *data) { struct wlr_idle_inhibitor_v1 *idle_inhibitor = data; LISTEN_STATIC(&idle_inhibitor->events.destroy, destroyidleinhibitor); checkidleinhibitor(NULL); } void createkeyboard(struct wlr_keyboard *keyboard) { /* Set the keymap to match the group keymap */ wlr_keyboard_set_keymap(keyboard, kb_group.wlr_group->keyboard.keymap); wlr_keyboard_set_repeat_info(keyboard, repeat_rate, repeat_delay); /* Add the new keyboard to the group */ wlr_keyboard_group_add_keyboard(kb_group.wlr_group, keyboard); } void createlayersurface(struct wl_listener *listener, void *data) { struct wlr_layer_surface_v1 *layer_surface = data; LayerSurface *l; struct wlr_surface *surface = layer_surface->surface; struct wlr_scene_tree *scene_layer = layers[layermap[layer_surface->pending.layer]]; struct wlr_layer_surface_v1_state old_state; if (!layer_surface->output && !(layer_surface->output = selmon ? selmon->wlr_output : NULL)) { wlr_layer_surface_v1_destroy(layer_surface); return; } l = layer_surface->data = ecalloc(1, sizeof(*l)); l->type = LayerShell; LISTEN(&surface->events.commit, &l->surface_commit, commitlayersurfacenotify); LISTEN(&surface->events.map, &l->map, maplayersurfacenotify); LISTEN(&surface->events.unmap, &l->unmap, unmaplayersurfacenotify); LISTEN(&layer_surface->events.destroy, &l->destroy, destroylayersurfacenotify); l->layer_surface = layer_surface; l->mon = layer_surface->output->data; l->scene_layer = wlr_scene_layer_surface_v1_create(scene_layer, layer_surface); l->scene = l->scene_layer->tree; l->popups = surface->data = wlr_scene_tree_create(layer_surface->current.layer < ZWLR_LAYER_SHELL_V1_LAYER_TOP ? layers[LyrTop] : scene_layer); l->scene->node.data = l->popups->node.data = l; wl_list_insert(&l->mon->layers[layer_surface->pending.layer],&l->link); wlr_surface_send_enter(surface, layer_surface->output); /* Temporarily set the layer's current state to pending * so that we can easily arrange it */ old_state = layer_surface->current; layer_surface->current = layer_surface->pending; l->mapped = 1; arrangelayers(l->mon); layer_surface->current = old_state; } void createlocksurface(struct wl_listener *listener, void *data) { SessionLock *lock = wl_container_of(listener, lock, new_surface); struct wlr_session_lock_surface_v1 *lock_surface = data; Monitor *m = lock_surface->output->data; struct wlr_scene_tree *scene_tree = lock_surface->surface->data = wlr_scene_subsurface_tree_create(lock->scene, lock_surface->surface); m->lock_surface = lock_surface; wlr_scene_node_set_position(&scene_tree->node, m->m.x, m->m.y); wlr_session_lock_surface_v1_configure(lock_surface, m->m.width, m->m.height); LISTEN(&lock_surface->events.destroy, &m->destroy_lock_surface, destroylocksurface); if (m == selmon) client_notify_enter(lock_surface->surface, wlr_seat_get_keyboard(seat)); } void createmon(struct wl_listener *listener, void *data) { /* This event is raised by the backend when a new output (aka a display or * monitor) becomes available. */ struct wlr_output *wlr_output = data; const MonitorRule *r; size_t i; struct wlr_output_state state; Monitor *m; if (!wlr_output_init_render(wlr_output, alloc, drw)) return; m = wlr_output->data = ecalloc(1, sizeof(*m)); m->wlr_output = wlr_output; for (i = 0; i < LENGTH(m->layers); i++) wl_list_init(&m->layers[i]); wlr_output_state_init(&state); /* Initialize monitor state using configured rules */ m->tagset[0] = m->tagset[1] = 1; for (r = monrules; r < END(monrules); r++) { if (!r->name || strstr(wlr_output->name, r->name)) { m->m.x = r->x; m->m.y = r->y; m->mfact = r->mfact; m->nmaster = r->nmaster; m->lt[0] = m->lt[1] = r->lt; strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, LENGTH(m->ltsymbol)); wlr_output_state_set_scale(&state, r->scale); wlr_output_state_set_transform(&state, r->rr); break; } } /* The mode is a tuple of (width, height, refresh rate), and each * monitor supports only a specific set of modes. We just pick the * monitor's preferred mode; a more sophisticated compositor would let * the user configure it. */ wlr_output_state_set_mode(&state, wlr_output_preferred_mode(wlr_output)); /* Set up event listeners */ LISTEN(&wlr_output->events.frame, &m->frame, rendermon); LISTEN(&wlr_output->events.destroy, &m->destroy, cleanupmon); LISTEN(&wlr_output->events.request_state, &m->request_state, requestmonstate); wlr_output_state_set_enabled(&state, 1); wlr_output_commit_state(wlr_output, &state); wlr_output_state_finish(&state); wl_list_insert(&mons, &m->link); printstatus(); /* The xdg-protocol specifies: * * If the fullscreened surface is not opaque, the compositor must make * sure that other screen content not part of the same surface tree (made * up of subsurfaces, popups or similarly coupled surfaces) are not * visible below the fullscreened surface. * */ /* updatemons() will resize and set correct position */ m->fullscreen_bg = wlr_scene_rect_create(layers[LyrFS], 0, 0, fullscreen_bg); wlr_scene_node_set_enabled(&m->fullscreen_bg->node, 0); /* Adds this to the output layout in the order it was configured in. * * The output layout utility automatically adds a wl_output global to the * display, which Wayland clients can see to find out information about the * output (such as DPI, scale factor, manufacturer, etc). */ m->scene_output = wlr_scene_output_create(scene, wlr_output); if (m->m.x < 0 || m->m.y < 0) wlr_output_layout_add_auto(output_layout, wlr_output); else wlr_output_layout_add(output_layout, wlr_output, m->m.x, m->m.y); } void createnotify(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, * or when wlr_layer_shell receives a new popup from a layer. * If you want to do something tricky with popups you should check if * its parent is wlr_xdg_shell or wlr_layer_shell */ struct wlr_xdg_surface *xdg_surface = data; Client *c = NULL; LayerSurface *l = NULL; if (xdg_surface->role == WLR_XDG_SURFACE_ROLE_POPUP) { struct wlr_xdg_popup *popup = xdg_surface->popup; struct wlr_box box; if (toplevel_from_wlr_surface(popup->base->surface, &c, &l) < 0) return; popup->base->surface->data = wlr_scene_xdg_surface_create( popup->parent->data, popup->base); if ((l && !l->mon) || (c && !c->mon)) return; box = l ? l->mon->m : c->mon->w; box.x -= (l ? l->geom.x : c->geom.x); box.y -= (l ? l->geom.y : c->geom.y); wlr_xdg_popup_unconstrain_from_box(popup, &box); return; } else if (xdg_surface->role == WLR_XDG_SURFACE_ROLE_NONE) return; /* Allocate a Client for this surface */ c = xdg_surface->data = ecalloc(1, sizeof(*c)); c->surface.xdg = xdg_surface; c->bw = borderpx; wlr_xdg_toplevel_set_wm_capabilities(xdg_surface->toplevel, WLR_XDG_TOPLEVEL_WM_CAPABILITIES_FULLSCREEN); LISTEN(&xdg_surface->events.destroy, &c->destroy, destroynotify); LISTEN(&xdg_surface->surface->events.commit, &c->commit, commitnotify); LISTEN(&xdg_surface->surface->events.map, &c->map, mapnotify); LISTEN(&xdg_surface->surface->events.unmap, &c->unmap, unmapnotify); LISTEN(&xdg_surface->toplevel->events.request_fullscreen, &c->fullscreen, fullscreennotify); LISTEN(&xdg_surface->toplevel->events.request_maximize, &c->maximize, maximizenotify); LISTEN(&xdg_surface->toplevel->events.set_title, &c->set_title, updatetitle); } void createpointer(struct wlr_pointer *pointer) { struct libinput_device *device; if (wlr_input_device_is_libinput(&pointer->base) && (device = wlr_libinput_get_device_handle(&pointer->base))) { if (libinput_device_config_tap_get_finger_count(device)) { libinput_device_config_tap_set_enabled(device, tap_to_click); libinput_device_config_tap_set_drag_enabled(device, tap_and_drag); libinput_device_config_tap_set_drag_lock_enabled(device, drag_lock); libinput_device_config_tap_set_button_map(device, button_map); } if (libinput_device_config_scroll_has_natural_scroll(device)) libinput_device_config_scroll_set_natural_scroll_enabled(device, natural_scrolling); if (libinput_device_config_dwt_is_available(device)) libinput_device_config_dwt_set_enabled(device, disable_while_typing); if (libinput_device_config_left_handed_is_available(device)) libinput_device_config_left_handed_set(device, left_handed); if (libinput_device_config_middle_emulation_is_available(device)) libinput_device_config_middle_emulation_set_enabled(device, middle_button_emulation); if (libinput_device_config_scroll_get_methods(device) != LIBINPUT_CONFIG_SCROLL_NO_SCROLL) libinput_device_config_scroll_set_method (device, scroll_method); if (libinput_device_config_click_get_methods(device) != LIBINPUT_CONFIG_CLICK_METHOD_NONE) libinput_device_config_click_set_method (device, click_method); if (libinput_device_config_send_events_get_modes(device)) libinput_device_config_send_events_set_mode(device, send_events_mode); if (libinput_device_config_accel_is_available(device)) { libinput_device_config_accel_set_profile(device, accel_profile); libinput_device_config_accel_set_speed(device, accel_speed); } } wlr_cursor_attach_input_device(cursor, &pointer->base); } void cursorframe(struct wl_listener *listener, void *data) { /* This event is forwarded by the cursor when a pointer emits an frame * event. Frame events are sent after regular pointer events to group * multiple events together. For instance, two axis events may happen at the * same time, in which case a frame event won't be sent in between. */ /* Notify the client with pointer focus of the frame event. */ wlr_seat_pointer_notify_frame(seat); } void destroydecoration(struct wl_listener *listener, void *data) { Client *c = wl_container_of(listener, c, destroy_decoration); wl_list_remove(&c->destroy_decoration.link); wl_list_remove(&c->set_decoration_mode.link); } void destroydragicon(struct wl_listener *listener, void *data) { /* Focus enter isn't sent during drag, so refocus the focused node. */ focusclient(focustop(selmon), 1); motionnotify(0); } void destroyidleinhibitor(struct wl_listener *listener, void *data) { /* `data` is the wlr_surface of the idle inhibitor being destroyed, * at this point the idle inhibitor is still in the list of the manager */ checkidleinhibitor(wlr_surface_get_root_surface(data)); } void destroylayersurfacenotify(struct wl_listener *listener, void *data) { LayerSurface *l = wl_container_of(listener, l, destroy); wl_list_remove(&l->link); wl_list_remove(&l->destroy.link); wl_list_remove(&l->map.link); wl_list_remove(&l->unmap.link); wl_list_remove(&l->surface_commit.link); wlr_scene_node_destroy(&l->scene->node); wlr_scene_node_destroy(&l->popups->node); free(l); } void destroylock(SessionLock *lock, int unlock) { wlr_seat_keyboard_notify_clear_focus(seat); if ((locked = !unlock)) goto destroy; wlr_scene_node_set_enabled(&locked_bg->node, 0); focusclient(focustop(selmon), 0); motionnotify(0); destroy: wl_list_remove(&lock->new_surface.link); wl_list_remove(&lock->unlock.link); wl_list_remove(&lock->destroy.link); wlr_scene_node_destroy(&lock->scene->node); cur_lock = NULL; free(lock); } void destroylocksurface(struct wl_listener *listener, void *data) { Monitor *m = wl_container_of(listener, m, destroy_lock_surface); struct wlr_session_lock_surface_v1 *surface, *lock_surface = m->lock_surface; m->lock_surface = NULL; wl_list_remove(&m->destroy_lock_surface.link); if (lock_surface->surface != seat->keyboard_state.focused_surface) return; if (locked && cur_lock && !wl_list_empty(&cur_lock->surfaces)) { surface = wl_container_of(cur_lock->surfaces.next, surface, link); client_notify_enter(surface->surface, wlr_seat_get_keyboard(seat)); } else if (!locked) { focusclient(focustop(selmon), 1); } else { wlr_seat_keyboard_clear_focus(seat); } } void destroynotify(struct wl_listener *listener, void *data) { /* Called when the xdg_toplevel is destroyed. */ Client *c = wl_container_of(listener, c, destroy); wl_list_remove(&c->destroy.link); wl_list_remove(&c->set_title.link); wl_list_remove(&c->fullscreen.link); wl_list_remove(&c->commit.link); wl_list_remove(&c->map.link); wl_list_remove(&c->unmap.link); free(c); } void destroysessionlock(struct wl_listener *listener, void *data) { SessionLock *lock = wl_container_of(listener, lock, destroy); destroylock(lock, 0); } void destroysessionmgr(struct wl_listener *listener, void *data) { wl_list_remove(&lock_listener.link); wl_list_remove(&listener->link); } Monitor * dirtomon(enum wlr_direction dir) { struct wlr_output *next; if (!wlr_output_layout_get(output_layout, selmon->wlr_output)) return selmon; if ((next = wlr_output_layout_adjacent_output(output_layout, dir, selmon->wlr_output, selmon->m.x, selmon->m.y))) return next->data; if ((next = wlr_output_layout_farthest_output(output_layout, dir ^ (WLR_DIRECTION_LEFT|WLR_DIRECTION_RIGHT), selmon->wlr_output, selmon->m.x, selmon->m.y))) return next->data; return selmon; } void focusclient(Client *c, int lift) { struct wlr_surface *old = seat->keyboard_state.focused_surface; int unused_lx, unused_ly, old_client_type; Client *old_c = NULL; LayerSurface *old_l = NULL; if (locked) return; /* Raise client in stacking order if requested */ if (c && lift) wlr_scene_node_raise_to_top(&c->scene->node); if (c && client_surface(c) == old) return; if ((old_client_type = toplevel_from_wlr_surface(old, &old_c, &old_l)) == XDGShell) { struct wlr_xdg_popup *popup, *tmp; wl_list_for_each_safe(popup, tmp, &old_c->surface.xdg->popups, link) wlr_xdg_popup_destroy(popup); } /* Put the new client atop the focus stack and select its monitor */ if (c && !client_is_unmanaged(c)) { wl_list_remove(&c->flink); wl_list_insert(&fstack, &c->flink); selmon = c->mon; c->isurgent = 0; client_restack_surface(c); /* Don't change border color if there is an exclusive focus or we are * handling a drag operation */ if (!exclusive_focus && !seat->drag) client_set_border_color(c, focuscolor); } /* Deactivate old client if focus is changing */ if (old && (!c || client_surface(c) != old)) { /* If an overlay is focused, don't focus or activate the client, * but only update its position in fstack to render its border with focuscolor * and focus it after the overlay is closed. */ if (old_client_type == LayerShell && wlr_scene_node_coords( &old_l->scene->node, &unused_lx, &unused_ly) && old_l->layer_surface->current.layer >= ZWLR_LAYER_SHELL_V1_LAYER_TOP) { return; } else if (old_c && old_c == exclusive_focus && client_wants_focus(old_c)) { return; /* Don't deactivate old client if the new one wants focus, as this causes issues with winecfg * and probably other clients */ } else if (old_c && !client_is_unmanaged(old_c) && (!c || !client_wants_focus(c))) { client_set_border_color(old_c, bordercolor); client_activate_surface(old, 0); } } printstatus(); if (!c) { /* With no client, all we have left is to clear focus */ wlr_seat_keyboard_notify_clear_focus(seat); return; } /* Change cursor surface */ motionnotify(0); /* Have a client, so focus its top-level wlr_surface */ client_notify_enter(client_surface(c), wlr_seat_get_keyboard(seat)); /* Activate the new client */ client_activate_surface(client_surface(c), 1); } void focusmon(const Arg *arg) { int i = 0, nmons = wl_list_length(&mons); if (nmons) { do /* don't switch to disabled mons */ selmon = dirtomon(arg->i); while (!selmon->wlr_output->enabled && i++ < nmons); } focusclient(focustop(selmon), 1); } void focusstack(const Arg *arg) { /* Focus the next or previous client (in tiling order) on selmon */ Client *c, *sel = focustop(selmon); if (!sel || sel->isfullscreen) return; if (arg->i > 0) { wl_list_for_each(c, &sel->link, link) { if (&c->link == &clients) continue; /* wrap past the sentinel node */ if (VISIBLEON(c, selmon)) break; /* found it */ } } else { wl_list_for_each_reverse(c, &sel->link, link) { if (&c->link == &clients) continue; /* wrap past the sentinel node */ if (VISIBLEON(c, selmon)) break; /* found it */ } } /* If only one client is visible on selmon, then c == sel */ focusclient(c, 1); } /* We probably should change the name of this, it sounds like * will focus the topmost client of this mon, when actually will * only return that client */ Client * focustop(Monitor *m) { Client *c; wl_list_for_each(c, &fstack, flink) { if (VISIBLEON(c, m)) return c; } return NULL; } void fullscreennotify(struct wl_listener *listener, void *data) { Client *c = wl_container_of(listener, c, fullscreen); setfullscreen(c, client_wants_fullscreen(c)); } void handlesig(int signo) { if (signo == SIGCHLD) { siginfo_t in; /* wlroots expects to reap the XWayland process itself, so we * use WNOWAIT to keep the child waitable until we know it's not * XWayland. */ while (!waitid(P_ALL, 0, &in, WEXITED|WNOHANG|WNOWAIT) && in.si_pid) { pid_t *p, *lim; waitpid(in.si_pid, NULL, 0); if (in.si_pid == child_pid) child_pid = -1; if (!(p = autostart_pids)) continue; lim = &p[autostart_len]; for (; p < lim; p++) { if (*p == in.si_pid) { *p = -1; break; } } } } else if (signo == SIGINT || signo == SIGTERM) { quit(NULL); } } void incnmaster(const Arg *arg) { if (!arg || !selmon) return; selmon->nmaster = MAX(selmon->nmaster + arg->i, 0); arrange(selmon); } void inputdevice(struct wl_listener *listener, void *data) { /* This event is raised by the backend when a new input device becomes * available. */ struct wlr_input_device *device = data; uint32_t caps; switch (device->type) { case WLR_INPUT_DEVICE_KEYBOARD: createkeyboard(wlr_keyboard_from_input_device(device)); break; case WLR_INPUT_DEVICE_POINTER: createpointer(wlr_pointer_from_input_device(device)); break; default: /* TODO handle other input device types */ break; } /* We need to let the wlr_seat know what our capabilities are, which is * communiciated to the client. In dwl we always have a cursor, even if * there are no pointer devices, so we always include that capability. */ /* TODO do we actually require a cursor? */ caps = WL_SEAT_CAPABILITY_POINTER; if (!wl_list_empty(&kb_group.wlr_group->devices)) caps |= WL_SEAT_CAPABILITY_KEYBOARD; wlr_seat_set_capabilities(seat, caps); } int keybinding(uint32_t mods, xkb_keysym_t sym) { /* * Here we handle compositor keybindings. This is when the compositor is * processing keys, rather than passing them on to the client for its own * processing. */ const Key *k; for (k = keys; k < END(keys); k++) { if (CLEANMASK(mods) == CLEANMASK(k->mod) && sym == k->keysym && k->func) { k->func(&k->arg); return 1; } } return 0; } void keypress(struct wl_listener *listener, void *data) { int i; /* This event is raised when a key is pressed or released. */ KeyboardGroup *group = wl_container_of(listener, group, key); struct wlr_keyboard_key_event *event = data; /* Translate libinput keycode -> xkbcommon */ uint32_t keycode = event->keycode + 8; /* Get a list of keysyms based on the keymap for this keyboard */ const xkb_keysym_t *syms; int nsyms = xkb_state_key_get_syms( group->wlr_group->keyboard.xkb_state, keycode, &syms); int handled = 0; uint32_t mods = wlr_keyboard_get_modifiers(&group->wlr_group->keyboard); wlr_idle_notifier_v1_notify_activity(idle_notifier, seat); /* On _press_ if there is no active screen locker, * attempt to process a compositor keybinding. */ if (!locked && event->state == WL_KEYBOARD_KEY_STATE_PRESSED) { for (i = 0; i < nsyms; i++) handled = keybinding(mods, syms[i]) || handled; } if (handled && group->wlr_group->keyboard.repeat_info.delay > 0) { group->mods = mods; group->keysyms = syms; group->nsyms = nsyms; wl_event_source_timer_update(group->key_repeat_source, group->wlr_group->keyboard.repeat_info.delay); } else { group->nsyms = 0; wl_event_source_timer_update(group->key_repeat_source, 0); } if (handled) return; wlr_seat_set_keyboard(seat, &group->wlr_group->keyboard); /* Pass unhandled keycodes along to the client. */ wlr_seat_keyboard_notify_key(seat, event->time_msec, event->keycode, event->state); } void keypressmod(struct wl_listener *listener, void *data) { /* This event is raised when a modifier key, such as shift or alt, is * pressed. We simply communicate this to the client. */ KeyboardGroup *group = wl_container_of(listener, group, modifiers); wlr_seat_set_keyboard(seat, &group->wlr_group->keyboard); /* Send modifiers to the client. */ wlr_seat_keyboard_notify_modifiers(seat, &group->wlr_group->keyboard.modifiers); } int keyrepeat(void *data) { KeyboardGroup *group = data; int i; if (!group->nsyms || group->wlr_group->keyboard.repeat_info.rate <= 0) return 0; wl_event_source_timer_update(group->key_repeat_source, 1000 / group->wlr_group->keyboard.repeat_info.rate); for (i = 0; i < group->nsyms; i++) keybinding(group->mods, group->keysyms[i]); return 0; } void killclient(const Arg *arg) { Client *sel = focustop(selmon); if (sel) client_send_close(sel); } void locksession(struct wl_listener *listener, void *data) { struct wlr_session_lock_v1 *session_lock = data; SessionLock *lock; wlr_scene_node_set_enabled(&locked_bg->node, 1); if (cur_lock) { wlr_session_lock_v1_destroy(session_lock); return; } lock = session_lock->data = ecalloc(1, sizeof(*lock)); focusclient(NULL, 0); lock->scene = wlr_scene_tree_create(layers[LyrBlock]); cur_lock = lock->lock = session_lock; locked = 1; LISTEN(&session_lock->events.new_surface, &lock->new_surface, createlocksurface); LISTEN(&session_lock->events.destroy, &lock->destroy, destroysessionlock); LISTEN(&session_lock->events.unlock, &lock->unlock, unlocksession); wlr_session_lock_v1_send_locked(session_lock); } void maplayersurfacenotify(struct wl_listener *listener, void *data) { motionnotify(0); } void mapnotify(struct wl_listener *listener, void *data) { /* Called when the surface is mapped, or ready to display on-screen. */ Client *p, *w, *c = wl_container_of(listener, c, map); Monitor *m; int i; /* Create scene tree for this client and its border */ c->scene = client_surface(c)->data = wlr_scene_tree_create(layers[LyrTile]); wlr_scene_node_set_enabled(&c->scene->node, c->type != XDGShell); c->scene_surface = c->type == XDGShell ? wlr_scene_xdg_surface_create(c->scene, c->surface.xdg) : wlr_scene_subsurface_tree_create(c->scene, client_surface(c)); c->scene->node.data = c->scene_surface->node.data = c; client_get_geometry(c, &c->geom); /* Handle unmanaged clients first so we can return prior create borders */ if (client_is_unmanaged(c)) { /* Unmanaged clients always are floating */ wlr_scene_node_reparent(&c->scene->node, layers[LyrFloat]); wlr_scene_node_set_position(&c->scene->node, c->geom.x + borderpx, c->geom.y + borderpx); if (client_wants_focus(c)) { focusclient(c, 1); exclusive_focus = c; } goto unset_fullscreen; } for (i = 0; i < 4; i++) { c->border[i] = wlr_scene_rect_create(c->scene, 0, 0, c->isurgent ? urgentcolor : bordercolor); c->border[i]->node.data = c; } /* Initialize client geometry with room for border */ client_set_tiled(c, WLR_EDGE_TOP | WLR_EDGE_BOTTOM | WLR_EDGE_LEFT | WLR_EDGE_RIGHT); c->geom.width += 2 * c->bw; c->geom.height += 2 * c->bw; /* Insert this client into client lists. */ wl_list_insert(&clients, &c->link); wl_list_insert(&fstack, &c->flink); /* Set initial monitor, tags, floating status, and focus: * we always consider floating, clients that have parent and thus * we set the same tags and monitor than its parent, if not * try to apply rules for them */ /* TODO: https://github.com/djpohly/dwl/pull/334#issuecomment-1330166324 */ if (c->type == XDGShell && (p = client_get_parent(c))) { c->isfloating = 1; wlr_scene_node_reparent(&c->scene->node, layers[LyrFloat]); setmon(c, p->mon, p->tags); } else { applyrules(c); } printstatus(); unset_fullscreen: m = c->mon ? c->mon : xytomon(c->geom.x, c->geom.y); wl_list_for_each(w, &clients, link) { if (w != c && w->isfullscreen && m == w->mon && (w->tags & c->tags)) setfullscreen(w, 0); } } void maximizenotify(struct wl_listener *listener, void *data) { /* This event is raised when a client would like to maximize itself, * typically because the user clicked on the maximize button on * client-side decorations. dwl doesn't support maximization, but * to conform to xdg-shell protocol we still must send a configure. * Since xdg-shell protocol v5 we should ignore request of unsupported * capabilities, just schedule a empty configure when the client uses <5 * protocol version * wlr_xdg_surface_schedule_configure() is used to send an empty reply. */ Client *c = wl_container_of(listener, c, maximize); if (wl_resource_get_version(c->surface.xdg->toplevel->resource) < XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION) wlr_xdg_surface_schedule_configure(c->surface.xdg); } void monocle(Monitor *m) { Client *c; int n = 0; wl_list_for_each(c, &clients, link) { if (!VISIBLEON(c, m) || c->isfloating || c->isfullscreen) continue; resize(c, m->w, 0); n++; } if (n) snprintf(m->ltsymbol, LENGTH(m->ltsymbol), "[%d]", n); if ((c = focustop(m))) wlr_scene_node_raise_to_top(&c->scene->node); } void motionabsolute(struct wl_listener *listener, void *data) { /* This event is forwarded by the cursor when a pointer emits an _absolute_ * motion event, from 0..1 on each axis. This happens, for example, when * wlroots is running under a Wayland window rather than KMS+DRM, and you * move the mouse over the window. You could enter the window from any edge, * so we have to warp the mouse there. There is also some hardware which * emits these events. */ struct wlr_pointer_motion_absolute_event *event = data; wlr_cursor_warp_absolute(cursor, &event->pointer->base, event->x, event->y); motionnotify(event->time_msec); } void motionnotify(uint32_t time) { double sx = 0, sy = 0; Client *c = NULL, *w = NULL; LayerSurface *l = NULL; struct wlr_surface *surface = NULL; /* time is 0 in internal calls meant to restore pointer focus. */ if (time) { wlr_idle_notifier_v1_notify_activity(idle_notifier, seat); /* Update selmon (even while dragging a window) */ if (sloppyfocus) selmon = xytomon(cursor->x, cursor->y); } /* Update drag icon's position */ wlr_scene_node_set_position(&drag_icon->node, ROUND(cursor->x), ROUND(cursor->y)); /* If we are currently grabbing the mouse, handle and return */ if (cursor_mode == CurMove) { /* Move the grabbed client to the new position. */ resize(grabc, (struct wlr_box){.x = ROUND(cursor->x) - grabcx, .y = ROUND(cursor->y) - grabcy, .width = grabc->geom.width, .height = grabc->geom.height}, 1); return; } else if (cursor_mode == CurResize) { resize(grabc, (struct wlr_box){.x = grabc->geom.x, .y = grabc->geom.y, .width = ROUND(cursor->x) - grabc->geom.x, .height = ROUND(cursor->y) - grabc->geom.y}, 1); return; } /* Find the client under the pointer and send the event along. */ xytonode(cursor->x, cursor->y, &surface, &c, NULL, &sx, &sy); if (cursor_mode == CurPressed && !seat->drag && surface != held_grab && toplevel_from_wlr_surface(held_grab, &w, &l) >= 0) { c = w; surface = held_grab; sx = cursor->x - (l ? l->geom.x : w->geom.x); sy = cursor->y - (l ? l->geom.y : w->geom.y); } /* If there's no client surface under the cursor, set the cursor image to a * default. This is what makes the cursor image appear when you move it * off of a client or over its border. */ if (!surface && !seat->drag) wlr_cursor_set_xcursor(cursor, cursor_mgr, "default"); pointerfocus(c, surface, sx, sy, time); } void motionrelative(struct wl_listener *listener, void *data) { /* This event is forwarded by the cursor when a pointer emits a _relative_ * pointer motion event (i.e. a delta) */ struct wlr_pointer_motion_event *event = data; /* The cursor doesn't move unless we tell it to. The cursor automatically * handles constraining the motion to the output layout, as well as any * special configuration applied for the specific input device which * generated the event. You can pass NULL for the device if you want to move * the cursor around without any input. */ wlr_cursor_move(cursor, &event->pointer->base, event->delta_x, event->delta_y); motionnotify(event->time_msec); } void moveresize(const Arg *arg) { if (cursor_mode != CurNormal && cursor_mode != CurPressed) return; xytonode(cursor->x, cursor->y, NULL, &grabc, NULL, NULL, NULL); if (!grabc || client_is_unmanaged(grabc) || grabc->isfullscreen) return; /* Float the window and tell motionnotify to grab it */ setfloating(grabc, 1); switch (cursor_mode = arg->ui) { case CurMove: grabcx = ROUND(cursor->x) - grabc->geom.x; grabcy = ROUND(cursor->y) - grabc->geom.y; wlr_cursor_set_xcursor(cursor, cursor_mgr, "fleur"); break; case CurResize: /* Doesn't work for X11 output - the next absolute motion event * returns the cursor to where it started */ wlr_cursor_warp_closest(cursor, NULL, grabc->geom.x + grabc->geom.width, grabc->geom.y + grabc->geom.height); wlr_cursor_set_xcursor(cursor, cursor_mgr, "se-resize"); break; } } void outputmgrapply(struct wl_listener *listener, void *data) { struct wlr_output_configuration_v1 *config = data; outputmgrapplyortest(config, 0); } void outputmgrapplyortest(struct wlr_output_configuration_v1 *config, int test) { /* * Called when a client such as wlr-randr requests a change in output * configuration. This is only one way that the layout can be changed, * so any Monitor information should be updated by updatemons() after an * output_layout.change event, not here. */ struct wlr_output_configuration_head_v1 *config_head; int ok = 1; wl_list_for_each(config_head, &config->heads, link) { struct wlr_output *wlr_output = config_head->state.output; Monitor *m = wlr_output->data; struct wlr_output_state state; wlr_output_state_init(&state); wlr_output_state_set_enabled(&state, config_head->state.enabled); if (!config_head->state.enabled) goto apply_or_test; if (config_head->state.mode) wlr_output_state_set_mode(&state, config_head->state.mode); else wlr_output_state_set_custom_mode(&state, config_head->state.custom_mode.width, config_head->state.custom_mode.height, config_head->state.custom_mode.refresh); /* Don't move monitors if position wouldn't change, this to avoid * wlroots marking the output as manually configured */ if (m->m.x != config_head->state.x || m->m.y != config_head->state.y) wlr_output_layout_add(output_layout, wlr_output, config_head->state.x, config_head->state.y); wlr_output_state_set_transform(&state, config_head->state.transform); wlr_output_state_set_scale(&state, config_head->state.scale); wlr_output_state_set_adaptive_sync_enabled(&state, config_head->state.adaptive_sync_enabled); apply_or_test: ok &= test ? wlr_output_test_state(wlr_output, &state) : wlr_output_commit_state(wlr_output, &state); wlr_output_state_finish(&state); } if (ok) wlr_output_configuration_v1_send_succeeded(config); else wlr_output_configuration_v1_send_failed(config); wlr_output_configuration_v1_destroy(config); } void outputmgrtest(struct wl_listener *listener, void *data) { struct wlr_output_configuration_v1 *config = data; outputmgrapplyortest(config, 1); } void pointerfocus(Client *c, struct wlr_surface *surface, double sx, double sy, uint32_t time) { struct timespec now; if (sloppyfocus && time && c && !client_is_unmanaged(c)) focusclient(c, 0); /* If surface is NULL, clear pointer focus */ if (!surface) { wlr_seat_pointer_notify_clear_focus(seat); return; } if (!time) { clock_gettime(CLOCK_MONOTONIC, &now); time = now.tv_sec * 1000 + now.tv_nsec / 1000000; } /* Let the client know that the mouse cursor has entered one * of its surfaces, and make keyboard focus follow if desired. * wlroots makes this a no-op if surface is already focused */ wlr_seat_pointer_notify_enter(seat, surface, sx, sy); wlr_seat_pointer_notify_motion(seat, time, sx, sy); } void printstatus(void) { Monitor *m = NULL; Client *c; uint32_t occ, urg, sel; const char *appid, *title; wl_list_for_each(m, &mons, link) { occ = urg = 0; wl_list_for_each(c, &clients, link) { if (c->mon != m) continue; occ |= c->tags; if (c->isurgent) urg |= c->tags; } if ((c = focustop(m))) { title = client_get_title(c); appid = client_get_appid(c); printf("%s title %s\n", m->wlr_output->name, title ? title : broken); printf("%s appid %s\n", m->wlr_output->name, appid ? appid : broken); printf("%s fullscreen %u\n", m->wlr_output->name, c->isfullscreen); printf("%s floating %u\n", m->wlr_output->name, c->isfloating); sel = c->tags; } else { printf("%s title \n", m->wlr_output->name); printf("%s appid \n", m->wlr_output->name); printf("%s fullscreen \n", m->wlr_output->name); printf("%s floating \n", m->wlr_output->name); sel = 0; } printf("%s selmon %u\n", m->wlr_output->name, m == selmon); printf("%s tags %u %u %u %u\n", m->wlr_output->name, occ, m->tagset[m->seltags], sel, urg); printf("%s layout %s\n", m->wlr_output->name, m->ltsymbol); } fflush(stdout); } void quit(const Arg *arg) { wl_display_terminate(dpy); } void rendermon(struct wl_listener *listener, void *data) { /* This function is called every time an output is ready to display a frame, * generally at the output's refresh rate (e.g. 60Hz). */ Monitor *m = wl_container_of(listener, m, frame); Client *c; struct wlr_output_state pending = {0}; struct wlr_gamma_control_v1 *gamma_control; struct timespec now; /* Render if no XDG clients have an outstanding resize and are visible on * this monitor. */ wl_list_for_each(c, &clients, link) { if (c->resize && !c->isfloating && client_is_rendered_on_mon(c, m) && !client_is_stopped(c)) goto skip; } /* * HACK: The "correct" way to set the gamma is to commit it together with * the rest of the state in one go, but to do that we would need to rewrite * wlr_scene_output_commit() in order to add the gamma to the pending * state before committing, instead try to commit the gamma in one frame, * and commit the rest of the state in the next one (or in the same frame if * the gamma can not be committed). */ if (m->gamma_lut_changed) { gamma_control = wlr_gamma_control_manager_v1_get_control(gamma_control_mgr, m->wlr_output); m->gamma_lut_changed = 0; if (!wlr_gamma_control_v1_apply(gamma_control, &pending)) goto commit; if (!wlr_output_test_state(m->wlr_output, &pending)) { wlr_gamma_control_v1_send_failed_and_destroy(gamma_control); goto commit; } wlr_output_commit_state(m->wlr_output, &pending); wlr_output_schedule_frame(m->wlr_output); } else { commit: wlr_scene_output_commit(m->scene_output, NULL); } skip: /* Let clients know a frame has been rendered */ clock_gettime(CLOCK_MONOTONIC, &now); wlr_scene_output_send_frame_done(m->scene_output, &now); wlr_output_state_finish(&pending); } void requestdecorationmode(struct wl_listener *listener, void *data) { Client *c = wl_container_of(listener, c, set_decoration_mode); wlr_xdg_toplevel_decoration_v1_set_mode(c->decoration, WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE); } void requeststartdrag(struct wl_listener *listener, void *data) { struct wlr_seat_request_start_drag_event *event = data; if (wlr_seat_validate_pointer_grab_serial(seat, event->origin, event->serial)) wlr_seat_start_pointer_drag(seat, event->drag, event->serial); else wlr_data_source_destroy(event->drag->source); } void requestmonstate(struct wl_listener *listener, void *data) { struct wlr_output_event_request_state *event = data; wlr_output_commit_state(event->output, event->state); updatemons(NULL, NULL); } void resize(Client *c, struct wlr_box geo, int interact) { struct wlr_box *bbox = interact ? &sgeom : &c->mon->w; struct wlr_box clip; client_set_bounds(c, geo.width, geo.height); c->geom = geo; applybounds(c, bbox); /* Update scene-graph, including borders */ wlr_scene_node_set_position(&c->scene->node, c->geom.x, c->geom.y); wlr_scene_node_set_position(&c->scene_surface->node, c->bw, c->bw); wlr_scene_rect_set_size(c->border[0], c->geom.width, c->bw); wlr_scene_rect_set_size(c->border[1], c->geom.width, c->bw); wlr_scene_rect_set_size(c->border[2], c->bw, c->geom.height - 2 * c->bw); wlr_scene_rect_set_size(c->border[3], c->bw, c->geom.height - 2 * c->bw); wlr_scene_node_set_position(&c->border[1]->node, 0, c->geom.height - c->bw); wlr_scene_node_set_position(&c->border[2]->node, 0, c->bw); wlr_scene_node_set_position(&c->border[3]->node, c->geom.width - c->bw, c->bw); /* this is a no-op if size hasn't changed */ c->resize = client_set_size(c, c->geom.width - 2 * c->bw, c->geom.height - 2 * c->bw); client_get_clip(c, &clip); wlr_scene_subsurface_tree_set_clip(&c->scene_surface->node, &clip); } void run(char *startup_cmd) { /* Add a Unix socket to the Wayland display. */ const char *socket = wl_display_add_socket_auto(dpy); if (!socket) die("startup: display_add_socket_auto"); setenv("WAYLAND_DISPLAY", socket, 1); /* Start the backend. This will enumerate outputs and inputs, become the DRM * master, etc */ if (!wlr_backend_start(backend)) die("startup: backend_start"); /* Now that the socket exists and the backend is started, run the startup command */ autostartexec(); if (startup_cmd) { int piperw[2]; if (pipe(piperw) < 0) die("startup: pipe:"); if ((child_pid = fork()) < 0) die("startup: fork:"); if (child_pid == 0) { dup2(piperw[0], STDIN_FILENO); close(piperw[0]); close(piperw[1]); execl("/bin/sh", "/bin/sh", "-c", startup_cmd, NULL); die("startup: execl:"); } dup2(piperw[1], STDOUT_FILENO); close(piperw[1]); close(piperw[0]); } printstatus(); /* At this point the outputs are initialized, choose initial selmon based on * cursor position, and set default cursor image */ selmon = xytomon(cursor->x, cursor->y); /* TODO hack to get cursor to display in its initial location (100, 100) * instead of (0, 0) and then jumping. still may not be fully * initialized, as the image/coordinates are not transformed for the * monitor when displayed here */ wlr_cursor_warp_closest(cursor, NULL, cursor->x, cursor->y); wlr_cursor_set_xcursor(cursor, cursor_mgr, "default"); /* Run the Wayland event loop. This does not return until you exit the * compositor. Starting the backend rigged up all of the necessary event * loop configuration to listen to libinput events, DRM events, generate * frame events at the refresh rate, and so on. */ wl_display_run(dpy); } void setcursor(struct wl_listener *listener, void *data) { /* This event is raised by the seat when a client provides a cursor image */ struct wlr_seat_pointer_request_set_cursor_event *event = data; /* If we're "grabbing" the cursor, don't use the client's image, we will * restore it after "grabbing" sending a leave event, followed by a enter * event, which will result in the client requesting set the cursor surface */ if (cursor_mode != CurNormal && cursor_mode != CurPressed) return; /* This can be sent by any client, so we check to make sure this one is * actually has pointer focus first. If so, we can tell the cursor to * use the provided surface as the cursor image. It will set the * hardware cursor on the output that it's currently on and continue to * do so as the cursor moves between outputs. */ if (event->seat_client == seat->pointer_state.focused_client) wlr_cursor_set_surface(cursor, event->surface, event->hotspot_x, event->hotspot_y); } void setcursorshape(struct wl_listener *listener, void *data) { struct wlr_cursor_shape_manager_v1_request_set_shape_event *event = data; if (cursor_mode != CurNormal && cursor_mode != CurPressed) return; /* This can be sent by any client, so we check to make sure this one is * actually has pointer focus first. If so, we can tell the cursor to * use the provided cursor shape. */ if (event->seat_client == seat->pointer_state.focused_client) wlr_cursor_set_xcursor(cursor, cursor_mgr, wlr_cursor_shape_v1_name(event->shape)); } void setfloating(Client *c, int floating) { c->isfloating = floating; if (!c->mon) return; wlr_scene_node_reparent(&c->scene->node, layers[c->isfullscreen ? LyrFS : c->isfloating ? LyrFloat : LyrTile]); arrange(c->mon); printstatus(); } void setfullscreen(Client *c, int fullscreen) { c->isfullscreen = fullscreen; if (!c->mon) return; c->bw = fullscreen ? 0 : borderpx; client_set_fullscreen(c, fullscreen); wlr_scene_node_reparent(&c->scene->node, layers[c->isfullscreen ? LyrFS : c->isfloating ? LyrFloat : LyrTile]); if (fullscreen) { c->prev = c->geom; resize(c, c->mon->m, 0); } else { /* restore previous size instead of arrange for floating windows since * client positions are set by the user and cannot be recalculated */ resize(c, c->prev, 0); } arrange(c->mon); printstatus(); } void setgamma(struct wl_listener *listener, void *data) { struct wlr_gamma_control_manager_v1_set_gamma_event *event = data; Monitor *m = event->output->data; if (!m) return; m->gamma_lut_changed = 1; wlr_output_schedule_frame(m->wlr_output); } void setlayout(const Arg *arg) { if (!selmon) return; if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt]) selmon->sellt ^= 1; if (arg && arg->v) selmon->lt[selmon->sellt] = (Layout *)arg->v; strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, LENGTH(selmon->ltsymbol)); arrange(selmon); printstatus(); } /* arg > 1.0 will set mfact absolutely */ void setmfact(const Arg *arg) { float f; if (!arg || !selmon || !selmon->lt[selmon->sellt]->arrange) return; f = arg->f < 1.0f ? arg->f + selmon->mfact : arg->f - 1.0f; if (f < 0.1 || f > 0.9) return; selmon->mfact = f; arrange(selmon); } void setmon(Client *c, Monitor *m, uint32_t newtags) { Monitor *oldmon = c->mon; if (oldmon == m) return; c->mon = m; c->prev = c->geom; /* Scene graph sends surface leave/enter events on move and resize */ if (oldmon) arrange(oldmon); if (m) { /* Make sure window actually overlaps with the monitor */ resize(c, c->geom, 0); c->tags = newtags ? newtags : m->tagset[m->seltags]; /* assign tags of target monitor */ setfullscreen(c, c->isfullscreen); /* This will call arrange(c->mon) */ setfloating(c, c->isfloating); } focusclient(focustop(selmon), 1); } void setpsel(struct wl_listener *listener, void *data) { /* This event is raised by the seat when a client wants to set the selection, * usually when the user copies something. wlroots allows compositors to * ignore such requests if they so choose, but in dwl we always honor */ struct wlr_seat_request_set_primary_selection_event *event = data; wlr_seat_set_primary_selection(seat, event->source, event->serial); } void setsel(struct wl_listener *listener, void *data) { /* This event is raised by the seat when a client wants to set the selection, * usually when the user copies something. wlroots allows compositors to * ignore such requests if they so choose, but in dwl we always honor */ struct wlr_seat_request_set_selection_event *event = data; wlr_seat_set_selection(seat, event->source, event->serial); } void setup(void) { struct xkb_context *context; struct xkb_keymap *keymap; int i, sig[] = {SIGCHLD, SIGINT, SIGTERM, SIGPIPE}; struct sigaction sa = {.sa_flags = SA_RESTART, .sa_handler = handlesig}; sigemptyset(&sa.sa_mask); for (i = 0; i < (int)LENGTH(sig); i++) sigaction(sig[i], &sa, NULL); wlr_log_init(log_level, NULL); /* The Wayland display is managed by libwayland. It handles accepting * clients from the Unix socket, manging Wayland globals, and so on. */ dpy = wl_display_create(); /* The backend is a wlroots feature which abstracts the underlying input and * output hardware. The autocreate option will choose the most suitable * backend based on the current environment, such as opening an X11 window * if an X11 server is running. */ if (!(backend = wlr_backend_autocreate(dpy, &session))) die("couldn't create backend"); /* Initialize the scene graph used to lay out windows */ scene = wlr_scene_create(); root_bg = wlr_scene_rect_create(&scene->tree, 0, 0, rootcolor); for (i = 0; i < NUM_LAYERS; i++) layers[i] = wlr_scene_tree_create(&scene->tree); drag_icon = wlr_scene_tree_create(&scene->tree); wlr_scene_node_place_below(&drag_icon->node, &layers[LyrBlock]->node); /* Autocreates a renderer, either Pixman, GLES2 or Vulkan for us. The user * can also specify a renderer using the WLR_RENDERER env var. * The renderer is responsible for defining the various pixel formats it * supports for shared memory, this configures that for clients. */ if (!(drw = wlr_renderer_autocreate(backend))) die("couldn't create renderer"); /* Create shm, drm and linux_dmabuf interfaces by ourselves. * The simplest way is call: * wlr_renderer_init_wl_display(drw); * but we need to create manually the linux_dmabuf interface to integrate it * with wlr_scene. */ wlr_renderer_init_wl_shm(drw, dpy); if (wlr_renderer_get_dmabuf_texture_formats(drw)) { wlr_drm_create(dpy, drw); wlr_scene_set_linux_dmabuf_v1(scene, wlr_linux_dmabuf_v1_create_with_renderer(dpy, 4, drw)); } /* Autocreates an allocator for us. * The allocator is the bridge between the renderer and the backend. It * handles the buffer creation, allowing wlroots to render onto the * screen */ if (!(alloc = wlr_allocator_autocreate(backend, drw))) die("couldn't create allocator"); /* This creates some hands-off wlroots interfaces. The compositor is * necessary for clients to allocate surfaces and the data device manager * handles the clipboard. Each of these wlroots interfaces has room for you * to dig your fingers in and play with their behavior if you want. Note that * the clients cannot set the selection directly without compositor approval, * see the setsel() function. */ compositor = wlr_compositor_create(dpy, 6, drw); wlr_subcompositor_create(dpy); wlr_data_device_manager_create(dpy); wlr_export_dmabuf_manager_v1_create(dpy); wlr_screencopy_manager_v1_create(dpy); wlr_data_control_manager_v1_create(dpy); wlr_primary_selection_v1_device_manager_create(dpy); wlr_viewporter_create(dpy); wlr_single_pixel_buffer_manager_v1_create(dpy); wlr_fractional_scale_manager_v1_create(dpy, 1); /* Initializes the interface used to implement urgency hints */ activation = wlr_xdg_activation_v1_create(dpy); LISTEN_STATIC(&activation->events.request_activate, urgent); gamma_control_mgr = wlr_gamma_control_manager_v1_create(dpy); LISTEN_STATIC(&gamma_control_mgr->events.set_gamma, setgamma); /* Creates an output layout, which a wlroots utility for working with an * arrangement of screens in a physical layout. */ output_layout = wlr_output_layout_create(); LISTEN_STATIC(&output_layout->events.change, updatemons); wlr_xdg_output_manager_v1_create(dpy, output_layout); /* Configure a listener to be notified when new outputs are available on the * backend. */ wl_list_init(&mons); LISTEN_STATIC(&backend->events.new_output, createmon); /* Set up our client lists, the xdg-shell and the layer-shell. The xdg-shell is a * Wayland protocol which is used for application windows. For more * detail on shells, refer to the article: * * https://drewdevault.com/2018/07/29/Wayland-shells.html */ wl_list_init(&clients); wl_list_init(&fstack); xdg_shell = wlr_xdg_shell_create(dpy, 6); LISTEN_STATIC(&xdg_shell->events.new_surface, createnotify); layer_shell = wlr_layer_shell_v1_create(dpy, 3); LISTEN_STATIC(&layer_shell->events.new_surface, createlayersurface); idle_notifier = wlr_idle_notifier_v1_create(dpy); idle_inhibit_mgr = wlr_idle_inhibit_v1_create(dpy); LISTEN_STATIC(&idle_inhibit_mgr->events.new_inhibitor, createidleinhibitor); session_lock_mgr = wlr_session_lock_manager_v1_create(dpy); wl_signal_add(&session_lock_mgr->events.new_lock, &lock_listener); LISTEN_STATIC(&session_lock_mgr->events.destroy, destroysessionmgr); locked_bg = wlr_scene_rect_create(layers[LyrBlock], sgeom.width, sgeom.height, (float [4]){0.1f, 0.1f, 0.1f, 1.0f}); wlr_scene_node_set_enabled(&locked_bg->node, 0); /* Use decoration protocols to negotiate server-side decorations */ wlr_server_decoration_manager_set_default_mode( wlr_server_decoration_manager_create(dpy), WLR_SERVER_DECORATION_MANAGER_MODE_SERVER); xdg_decoration_mgr = wlr_xdg_decoration_manager_v1_create(dpy); LISTEN_STATIC(&xdg_decoration_mgr->events.new_toplevel_decoration, createdecoration); /* * Creates a cursor, which is a wlroots utility for tracking the cursor * image shown on screen. */ cursor = wlr_cursor_create(); wlr_cursor_attach_output_layout(cursor, output_layout); /* Creates an xcursor manager, another wlroots utility which loads up * Xcursor themes to source cursor images from and makes sure that cursor * images are available at all scale factors on the screen (necessary for * HiDPI support). Scaled cursors will be loaded with each output. */ cursor_mgr = wlr_xcursor_manager_create(NULL, 24); setenv("XCURSOR_SIZE", "24", 1); /* * wlr_cursor *only* displays an image on screen. It does not move around * when the pointer moves. However, we can attach input devices to it, and * it will generate aggregate events for all of them. In these events, we * can choose how we want to process them, forwarding them to clients and * moving the cursor around. More detail on this process is described in * https://drewdevault.com/2018/07/17/Input-handling-in-wlroots.html * * And more comments are sprinkled throughout the notify functions above. */ LISTEN_STATIC(&cursor->events.motion, motionrelative); LISTEN_STATIC(&cursor->events.motion_absolute, motionabsolute); LISTEN_STATIC(&cursor->events.button, buttonpress); LISTEN_STATIC(&cursor->events.axis, axisnotify); LISTEN_STATIC(&cursor->events.frame, cursorframe); cursor_shape_mgr = wlr_cursor_shape_manager_v1_create(dpy, 1); LISTEN_STATIC(&cursor_shape_mgr->events.request_set_shape, setcursorshape); /* * Configures a seat, which is a single "seat" at which a user sits and * operates the computer. This conceptually includes up to one keyboard, * pointer, touch, and drawing tablet device. We also rig up a listener to * let us know when new input devices are available on the backend. */ LISTEN_STATIC(&backend->events.new_input, inputdevice); virtual_keyboard_mgr = wlr_virtual_keyboard_manager_v1_create(dpy); LISTEN_STATIC(&virtual_keyboard_mgr->events.new_virtual_keyboard, virtualkeyboard); virtual_pointer_mgr = wlr_virtual_pointer_manager_v1_create(dpy); LISTEN_STATIC(&virtual_pointer_mgr->events.new_virtual_pointer, virtualpointer); seat = wlr_seat_create(dpy, "seat0"); LISTEN_STATIC(&seat->events.request_set_cursor, setcursor); LISTEN_STATIC(&seat->events.request_set_selection, setsel); LISTEN_STATIC(&seat->events.request_set_primary_selection, setpsel); LISTEN_STATIC(&seat->events.request_start_drag, requeststartdrag); LISTEN_STATIC(&seat->events.start_drag, startdrag); /* * Configures a keyboard group, which will keep track of all connected * keyboards, keep their modifier and LED states in sync, and handle * keypresses */ kb_group.wlr_group = wlr_keyboard_group_create(); kb_group.wlr_group->data = &kb_group; /* * Virtual keyboards need to be in a different group * https://codeberg.org/dwl/dwl/issues/554 */ vkb_group.wlr_group = wlr_keyboard_group_create(); vkb_group.wlr_group->data = &vkb_group; /* Prepare an XKB keymap and assign it to the keyboard group. */ context = xkb_context_new(XKB_CONTEXT_NO_FLAGS); if (!(keymap = xkb_keymap_new_from_names(context, &xkb_rules, XKB_KEYMAP_COMPILE_NO_FLAGS))) die("failed to compile keymap"); wlr_keyboard_set_keymap(&kb_group.wlr_group->keyboard, keymap); wlr_keyboard_set_keymap(&vkb_group.wlr_group->keyboard, keymap); xkb_keymap_unref(keymap); xkb_context_unref(context); wlr_keyboard_set_repeat_info(&kb_group.wlr_group->keyboard, repeat_rate, repeat_delay); wlr_keyboard_set_repeat_info(&vkb_group.wlr_group->keyboard, repeat_rate, repeat_delay); /* Set up listeners for keyboard events */ LISTEN(&kb_group.wlr_group->keyboard.events.key, &kb_group.key, keypress); LISTEN(&kb_group.wlr_group->keyboard.events.modifiers, &kb_group.modifiers, keypressmod); LISTEN(&vkb_group.wlr_group->keyboard.events.key, &vkb_group.key, keypress); LISTEN(&vkb_group.wlr_group->keyboard.events.modifiers, &vkb_group.modifiers, keypressmod); kb_group.key_repeat_source = wl_event_loop_add_timer( wl_display_get_event_loop(dpy), keyrepeat, &kb_group); vkb_group.key_repeat_source = wl_event_loop_add_timer( wl_display_get_event_loop(dpy), keyrepeat, &vkb_group); /* A seat can only have one keyboard, but this is a limitation of the * Wayland protocol - not wlroots. We assign all connected keyboards to the * same wlr_keyboard_group, which provides a single wlr_keyboard interface for * all of them. Set this combined wlr_keyboard as the seat keyboard. */ wlr_seat_set_keyboard(seat, &kb_group.wlr_group->keyboard); output_mgr = wlr_output_manager_v1_create(dpy); LISTEN_STATIC(&output_mgr->events.apply, outputmgrapply); LISTEN_STATIC(&output_mgr->events.test, outputmgrtest); wlr_scene_set_presentation(scene, wlr_presentation_create(dpy, backend)); /* Make sure XWayland clients don't connect to the parent X server, * e.g when running in the x11 backend or the wayland backend and the * compositor has Xwayland support */ unsetenv("DISPLAY"); } void spawn(const Arg *arg) { if (fork() == 0) { dup2(STDERR_FILENO, STDOUT_FILENO); setsid(); execvp(((char **)arg->v)[0], (char **)arg->v); die("dwl: execvp %s failed:", ((char **)arg->v)[0]); } } void startdrag(struct wl_listener *listener, void *data) { struct wlr_drag *drag = data; if (!drag->icon) return; drag->icon->data = &wlr_scene_drag_icon_create(drag_icon, drag->icon)->node; LISTEN_STATIC(&drag->icon->events.destroy, destroydragicon); } void tag(const Arg *arg) { Client *sel = focustop(selmon); if (!sel || (arg->ui & TAGMASK) == 0) return; sel->tags = arg->ui & TAGMASK; focusclient(focustop(selmon), 1); arrange(selmon); printstatus(); } void tagmon(const Arg *arg) { Client *sel = focustop(selmon); if (sel) setmon(sel, dirtomon(arg->i), 0); } void tile(Monitor *m) { unsigned int mw, my, ty; int i, n = 0; Client *c; wl_list_for_each(c, &clients, link) if (VISIBLEON(c, m) && !c->isfloating && !c->isfullscreen) n++; if (n == 0) return; if (n > m->nmaster) mw = m->nmaster ? ROUND(m->w.width * m->mfact) : 0; else mw = m->w.width; i = my = ty = 0; wl_list_for_each(c, &clients, link) { if (!VISIBLEON(c, m) || c->isfloating || c->isfullscreen) continue; if (i < m->nmaster) { resize(c, (struct wlr_box){.x = m->w.x, .y = m->w.y + my, .width = mw, .height = (m->w.height - my) / (MIN(n, m->nmaster) - i)}, 0); my += c->geom.height; } else { resize(c, (struct wlr_box){.x = m->w.x + mw, .y = m->w.y + ty, .width = m->w.width - mw, .height = (m->w.height - ty) / (n - i)}, 0); ty += c->geom.height; } i++; } } void togglefloating(const Arg *arg) { Client *sel = focustop(selmon); /* return if fullscreen */ if (sel && !sel->isfullscreen) setfloating(sel, !sel->isfloating); } void togglefullscreen(const Arg *arg) { Client *sel = focustop(selmon); if (sel) setfullscreen(sel, !sel->isfullscreen); } void toggletag(const Arg *arg) { uint32_t newtags; Client *sel = focustop(selmon); if (!sel || !(newtags = sel->tags ^ (arg->ui & TAGMASK))) return; sel->tags = newtags; focusclient(focustop(selmon), 1); arrange(selmon); printstatus(); } void toggleview(const Arg *arg) { uint32_t newtagset; if (!(newtagset = selmon ? selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK) : 0)) return; selmon->tagset[selmon->seltags] = newtagset; focusclient(focustop(selmon), 1); arrange(selmon); printstatus(); } void unlocksession(struct wl_listener *listener, void *data) { SessionLock *lock = wl_container_of(listener, lock, unlock); destroylock(lock, 1); } void unmaplayersurfacenotify(struct wl_listener *listener, void *data) { LayerSurface *l = wl_container_of(listener, l, unmap); l->mapped = 0; wlr_scene_node_set_enabled(&l->scene->node, 0); if (l == exclusive_focus) exclusive_focus = NULL; if (l->layer_surface->output && (l->mon = l->layer_surface->output->data)) arrangelayers(l->mon); if (l->layer_surface->surface == seat->keyboard_state.focused_surface) focusclient(focustop(selmon), 1); motionnotify(0); } void unmapnotify(struct wl_listener *listener, void *data) { /* Called when the surface is unmapped, and should no longer be shown. */ Client *c = wl_container_of(listener, c, unmap); if (c == grabc) { cursor_mode = CurNormal; grabc = NULL; } if (client_is_unmanaged(c)) { if (c == exclusive_focus) { exclusive_focus = NULL; focusclient(focustop(selmon), 1); } } else { wl_list_remove(&c->link); setmon(c, NULL, 0); wl_list_remove(&c->flink); } wlr_scene_node_destroy(&c->scene->node); printstatus(); motionnotify(0); } void updatemons(struct wl_listener *listener, void *data) { /* * Called whenever the output layout changes: adding or removing a * monitor, changing an output's mode or position, etc. This is where * the change officially happens and we update geometry, window * positions, focus, and the stored configuration in wlroots' * output-manager implementation. */ struct wlr_output_configuration_v1 *config = wlr_output_configuration_v1_create(); Client *c; struct wlr_output_configuration_head_v1 *config_head; Monitor *m; /* First remove from the layout the disabled monitors */ wl_list_for_each(m, &mons, link) { if (m->wlr_output->enabled) continue; config_head = wlr_output_configuration_head_v1_create(config, m->wlr_output); config_head->state.enabled = 0; /* Remove this output from the layout to avoid cursor enter inside it */ wlr_output_layout_remove(output_layout, m->wlr_output); closemon(m); m->m = m->w = (struct wlr_box){0}; } /* Insert outputs that need to */ wl_list_for_each(m, &mons, link) { if (m->wlr_output->enabled && !wlr_output_layout_get(output_layout, m->wlr_output)) wlr_output_layout_add_auto(output_layout, m->wlr_output); } /* Now that we update the output layout we can get its box */ wlr_output_layout_get_box(output_layout, NULL, &sgeom); wlr_scene_node_set_position(&root_bg->node, sgeom.x, sgeom.y); wlr_scene_rect_set_size(root_bg, sgeom.width, sgeom.height); /* Make sure the clients are hidden when dwl is locked */ wlr_scene_node_set_position(&locked_bg->node, sgeom.x, sgeom.y); wlr_scene_rect_set_size(locked_bg, sgeom.width, sgeom.height); wl_list_for_each(m, &mons, link) { if (!m->wlr_output->enabled) continue; config_head = wlr_output_configuration_head_v1_create(config, m->wlr_output); /* Get the effective monitor geometry to use for surfaces */ wlr_output_layout_get_box(output_layout, m->wlr_output, &m->m); m->w = m->m; wlr_scene_output_set_position(m->scene_output, m->m.x, m->m.y); wlr_scene_node_set_position(&m->fullscreen_bg->node, m->m.x, m->m.y); wlr_scene_rect_set_size(m->fullscreen_bg, m->m.width, m->m.height); if (m->lock_surface) { struct wlr_scene_tree *scene_tree = m->lock_surface->surface->data; wlr_scene_node_set_position(&scene_tree->node, m->m.x, m->m.y); wlr_session_lock_surface_v1_configure(m->lock_surface, m->m.width, m->m.height); } /* Calculate the effective monitor geometry to use for clients */ arrangelayers(m); /* Don't move clients to the left output when plugging monitors */ arrange(m); /* make sure fullscreen clients have the right size */ if ((c = focustop(m)) && c->isfullscreen) resize(c, m->m, 0); /* Try to re-set the gamma LUT when updating monitors, * it's only really needed when enabling a disabled output, but meh. */ m->gamma_lut_changed = 1; config_head->state.x = m->m.x; config_head->state.y = m->m.y; } if (selmon && selmon->wlr_output->enabled) { wl_list_for_each(c, &clients, link) { if (!c->mon && client_surface(c)->mapped) setmon(c, selmon, c->tags); } focusclient(focustop(selmon), 1); if (selmon->lock_surface) { client_notify_enter(selmon->lock_surface->surface, wlr_seat_get_keyboard(seat)); client_activate_surface(selmon->lock_surface->surface, 1); } } /* FIXME: figure out why the cursor image is at 0,0 after turning all * the monitors on. * Move the cursor image where it used to be. It does not generate a * wl_pointer.motion event for the clients, it's only the image what it's * at the wrong position after all. */ wlr_cursor_move(cursor, NULL, 0, 0); wlr_output_manager_v1_set_configuration(output_mgr, config); } void updatetitle(struct wl_listener *listener, void *data) { Client *c = wl_container_of(listener, c, set_title); if (c == focustop(c->mon)) printstatus(); } void urgent(struct wl_listener *listener, void *data) { struct wlr_xdg_activation_v1_request_activate_event *event = data; Client *c = NULL; toplevel_from_wlr_surface(event->surface, &c, NULL); if (!c || c == focustop(selmon)) return; c->isurgent = 1; printstatus(); if (client_surface(c)->mapped) client_set_border_color(c, urgentcolor); } void view(const Arg *arg) { if (!selmon || (arg->ui & TAGMASK) == selmon->tagset[selmon->seltags]) return; selmon->seltags ^= 1; /* toggle sel tagset */ if (arg->ui & TAGMASK) selmon->tagset[selmon->seltags] = arg->ui & TAGMASK; focusclient(focustop(selmon), 1); arrange(selmon); printstatus(); } void virtualkeyboard(struct wl_listener *listener, void *data) { struct wlr_virtual_keyboard_v1 *keyboard = data; /* Set the keymap to match the group keymap */ wlr_keyboard_set_keymap(&keyboard->keyboard, vkb_group.wlr_group->keyboard.keymap); wlr_keyboard_set_repeat_info(&keyboard->keyboard, repeat_rate, repeat_delay); /* Add the new keyboard to the group */ wlr_keyboard_group_add_keyboard(vkb_group.wlr_group, &keyboard->keyboard); } void virtualpointer(struct wl_listener *listener, void *data) { struct wlr_virtual_pointer_v1_new_pointer_event *event = data; struct wlr_pointer pointer = event->new_pointer->pointer; wlr_cursor_attach_input_device(cursor, &pointer.base); if (event->suggested_output) wlr_cursor_map_input_to_output(cursor, &pointer.base, event->suggested_output); } Monitor * xytomon(double x, double y) { struct wlr_output *o = wlr_output_layout_output_at(output_layout, x, y); return o ? o->data : NULL; } void xytonode(double x, double y, struct wlr_surface **psurface, Client **pc, LayerSurface **pl, double *nx, double *ny) { struct wlr_scene_node *node, *pnode; struct wlr_surface *surface = NULL; Client *c = NULL; LayerSurface *l = NULL; int layer; for (layer = NUM_LAYERS - 1; !surface && layer >= 0; layer--) { if (!(node = wlr_scene_node_at(&layers[layer]->node, x, y, nx, ny))) continue; if (node->type == WLR_SCENE_NODE_BUFFER) surface = wlr_scene_surface_try_from_buffer( wlr_scene_buffer_from_node(node))->surface; /* Walk the tree to find a node that knows the client */ for (pnode = node; pnode && !c; pnode = &pnode->parent->node) c = pnode->data; if (c && c->type == LayerShell) { c = NULL; l = pnode->data; } } if (psurface) *psurface = surface; if (pc) *pc = c; if (pl) *pl = l; } void zoom(const Arg *arg) { Client *c, *sel = focustop(selmon); if (!sel || !selmon || !selmon->lt[selmon->sellt]->arrange || sel->isfloating) return; /* Search for the first tiled window that is not sel, marking sel as * NULL if we pass it along the way */ wl_list_for_each(c, &clients, link) { if (VISIBLEON(c, selmon) && !c->isfloating) { if (c != sel) break; sel = NULL; } } /* Return if no other tiled window was found */ if (&c->link == &clients) return; /* If we passed sel, move c to the front; otherwise, move sel to the * front */ if (!sel) sel = c; wl_list_remove(&sel->link); wl_list_insert(&clients, &sel->link); focusclient(sel, 1); arrange(selmon); } int main(int argc, char *argv[]) { char *startup_cmd = NULL; int c; char *path = calloc(8192, sizeof(char)); int autostart_runtime_idx = 0; strcat(path, getenv("PATH")); while ((c = getopt(argc, argv, "e:p:s:hdv")) != -1) { if (c == 's') startup_cmd = optarg; else if (c == 'p') { strcat(path, ":"); strcat(path, optarg); } else if (c == 'e') { autostart_runtime[autostart_runtime_idx] = optarg; autostart_runtime_idx++; } else if (c == 'd') log_level = WLR_DEBUG; else if (c == 'v') die("dwl " VERSION); else goto usage; } if (optind < argc) goto usage; /* Wayland requires XDG_RUNTIME_DIR for creating its communications socket */ if (!getenv("XDG_RUNTIME_DIR")) die("XDG_RUNTIME_DIR must be set"); if (setenv("PATH", path, 1)) die("Failed to set PATH"); free(path); setup(); run(startup_cmd); cleanup(); return EXIT_SUCCESS; usage: die("Usage: %s [-v] [-d] [-s startup command] [[-p path directory] ...] [[-e autostart file] ...]", argv[0]); }