From a07863a4b5a95e0446c849a0c7d1dc821c270bca Mon Sep 17 00:00:00 2001 From: Micah Gorrell Date: Fri, 12 May 2023 08:53:03 -0600 Subject: [PATCH] Applied the push patch --- Makefile | 2 +- dwl.c | 2 + dwl.c.orig | 2973 ++++++++++++++++++++++++++++++++++++++++++++ patches/push.patch | 129 ++ push.c | 63 + push.h | 4 + 6 files changed, 3172 insertions(+), 1 deletion(-) create mode 100644 dwl.c.orig create mode 100644 patches/push.patch create mode 100644 push.c create mode 100644 push.h diff --git a/Makefile b/Makefile index ccca079..078ced5 100644 --- a/Makefile +++ b/Makefile @@ -16,7 +16,7 @@ LDLIBS = `$(PKG_CONFIG) --libs $(PKGS)` $(LIBS) all: dwl dwl: dwl.o util.o $(CC) dwl.o util.o $(LDLIBS) $(LDFLAGS) $(DWLCFLAGS) -o $@ -dwl.o: dwl.c config.mk config.h client.h xdg-shell-protocol.h wlr-layer-shell-unstable-v1-protocol.h +dwl.o: dwl.c push.c config.mk config.h client.h xdg-shell-protocol.h wlr-layer-shell-unstable-v1-protocol.h util.o: util.c util.h # wayland-scanner is a tool which generates C headers and rigging for Wayland diff --git a/dwl.c b/dwl.c index 6845054..82157b6 100644 --- a/dwl.c +++ b/dwl.c @@ -419,7 +419,9 @@ static Atom netatom[NetLast]; #endif /* configuration, allows nested code to access above variables */ +#include "push.h" #include "config.h" +#include "push.c" /* attempt to encapsulate suck into one file */ #include "client.h" diff --git a/dwl.c.orig b/dwl.c.orig new file mode 100644 index 0000000..6845054 --- /dev/null +++ b/dwl.c.orig @@ -0,0 +1,2973 @@ +/* + * 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 +#ifdef XWAYLAND +#include +#include +#include +#endif + +#include "util.h" + +/* macros */ +#define MAX(A, B) ((A) > (B) ? (A) : (B)) +#define MIN(A, B) ((A) < (B) ? (A) : (B)) +#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 IDLE_NOTIFY_ACTIVITY wlr_idle_notify_activity(idle, seat), wlr_idle_notifier_v1_notify_activity(idle_notifier, seat) + +/* enums */ +enum { CurNormal, CurPressed, CurMove, CurResize, Curmfact }; /* cursor */ +enum { XDGShell, LayerShell, X11Managed, X11Unmanaged }; /* client types */ +enum { LyrBg, LyrBottom, LyrTop, LyrOverlay, LyrTile, LyrFloat, LyrFS, LyrDragIcon, LyrBlock, NUM_LAYERS }; /* scene layers */ +#ifdef XWAYLAND +enum { NetWMWindowTypeDialog, NetWMWindowTypeSplash, NetWMWindowTypeToolbar, + NetWMWindowTypeUtility, NetLast }; /* EWMH atoms */ +#endif + +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 Client Client; +struct Client { + /* 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 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 wlr_box prev; /* layout-relative, includes border */ +#ifdef XWAYLAND + struct wl_listener activate; + struct wl_listener configure; + struct wl_listener set_hints; +#endif + unsigned int bw; + uint32_t tags; + int isfloating, isurgent, isfullscreen, isterm, noswallow; + uint32_t resize; /* configure serial of a pending resize */ + pid_t pid; + Client *swallowing, *swallowedby; +}; + +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 *wlr_keyboard; + + 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; + struct wl_listener destroy; +} Keyboard; + +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 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]; + double mfact; + 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 isterm; + int noswallow; + 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 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 cleanupkeyboard(struct wl_listener *listener, void *data); +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 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 handlecursoractivity(bool restore_focus); +static int hidecursor(void *data); +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 quitsignal(int signo); +static void rendermon(struct wl_listener *listener, void *data); +static void requeststartdrag(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 setfloating(Client *c, int floating); +static void setfullscreen(Client *c, int fullscreen); +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 Monitor *xytomon(double x, double y); +static struct wlr_scene_node *xytonode(double x, double y, struct wlr_surface **psurface, + Client **pc, LayerSurface **pl, double *nx, double *ny); +static void zoom(const Arg *arg); +static pid_t getparentprocess(pid_t p); +static int isdescprocess(pid_t p, pid_t c); +static Client *termforwin(Client *w); +static void swallow(Client *c, Client *w); + +/* variables */ +static const char broken[] = "broken"; +static const char *cursor_image = "left_ptr"; +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_renderer *drw; +static struct wlr_allocator *alloc; +static struct wlr_compositor *compositor; + +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 *idle; +static struct wlr_idle_notifier_v1 *idle_notifier; +static struct wlr_idle_inhibit_manager_v1 *idle_inhibit_mgr; +static struct wlr_input_inhibit_manager *input_inhibit_mgr; +static struct wlr_layer_shell_v1 *layer_shell; +static struct wlr_output_manager_v1 *output_mgr; +static struct wlr_virtual_keyboard_manager_v1 *virtual_keyboard_mgr; + +static struct wlr_cursor *cursor; +static struct wlr_xcursor_manager *cursor_mgr; +static struct wl_event_source *hide_source; +static bool cursor_hidden = false; + +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 wlr_seat *seat; +static struct wl_list keyboards; +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; + +/* global event handlers */ +static struct wl_listener cursor_axis = {.notify = axisnotify}; +static struct wl_listener cursor_button = {.notify = buttonpress}; +static struct wl_listener cursor_frame = {.notify = cursorframe}; +static struct wl_listener cursor_motion = {.notify = motionrelative}; +static struct wl_listener cursor_motion_absolute = {.notify = motionabsolute}; +static struct wl_listener drag_icon_destroy = {.notify = destroydragicon}; +static struct wl_listener idle_inhibitor_create = {.notify = createidleinhibitor}; +static struct wl_listener idle_inhibitor_destroy = {.notify = destroyidleinhibitor}; +static struct wl_listener layout_change = {.notify = updatemons}; +static struct wl_listener new_input = {.notify = inputdevice}; +static struct wl_listener new_virtual_keyboard = {.notify = virtualkeyboard}; +static struct wl_listener new_output = {.notify = createmon}; +static struct wl_listener new_xdg_surface = {.notify = createnotify}; +static struct wl_listener new_xdg_decoration = {.notify = createdecoration}; +static struct wl_listener new_layer_shell_surface = {.notify = createlayersurface}; +static struct wl_listener output_mgr_apply = {.notify = outputmgrapply}; +static struct wl_listener output_mgr_test = {.notify = outputmgrtest}; +static struct wl_listener request_activate = {.notify = urgent}; +static struct wl_listener request_cursor = {.notify = setcursor}; +static struct wl_listener request_set_psel = {.notify = setpsel}; +static struct wl_listener request_set_sel = {.notify = setsel}; +static struct wl_listener request_start_drag = {.notify = requeststartdrag}; +static struct wl_listener start_drag = {.notify = startdrag}; +static struct wl_listener session_lock_create_lock = {.notify = locksession}; +static struct wl_listener session_lock_mgr_destroy = {.notify = destroysessionmgr}; + +#ifdef XWAYLAND +static void activatex11(struct wl_listener *listener, void *data); +static void configurex11(struct wl_listener *listener, void *data); +static void createnotifyx11(struct wl_listener *listener, void *data); +static Atom getatom(xcb_connection_t *xc, const char *name); +static void sethints(struct wl_listener *listener, void *data); +static void sigchld(int unused); +static void xwaylandready(struct wl_listener *listener, void *data); +static struct wl_listener new_xwayland_surface = {.notify = createnotifyx11}; +static struct wl_listener xwayland_ready = {.notify = xwaylandready}; +static struct wlr_xwayland *xwayland; +static Atom netatom[NetLast]; +#endif + +/* configuration, allows nested code to access above variables */ +#include "config.h" + +/* attempt to encapsulate suck into one file */ +#include "client.h" + +/* function implementations */ +void +applybounds(Client *c, struct wlr_box *bbox) +{ + if (!c->isfullscreen) { + struct wlr_box min = {0}, max = {0}; + client_get_size_hints(c, &max, &min); + /* try to set size hints */ + c->geom.width = MAX(min.width + (2 * (int)c->bw), c->geom.width); + c->geom.height = MAX(min.height + (2 * (int)c->bw), c->geom.height); + /* Some clients set their max size to INT_MAX, which does not violate the + * protocol but it's unnecesary, as they can set their max size to zero. */ + if (max.width > 0 && !(2 * c->bw > INT_MAX - max.width)) /* Checks for overflow */ + c->geom.width = MIN(max.width + (2 * c->bw), c->geom.width); + if (max.height > 0 && !(2 * c->bw > INT_MAX - max.height)) /* Checks for overflow */ + c->geom.height = MIN(max.height + (2 * c->bw), 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 * c->bw <= bbox->x) + c->geom.x = bbox->x; + if (c->geom.y + c->geom.height + 2 * c->bw <= bbox->y) + c->geom.y = bbox->y; +} + +void +applyrules(Client *c) +{ + /* rule matching */ + const char *appid, *title; + uint32_t i, newtags = 0; + 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; + c->isterm = r->isterm; + c->noswallow = r->noswallow; + newtags |= r->tags; + i = 0; + wl_list_for_each(m, &mons, link) + if (r->monitor == i++) + mon = m; + } + } + c->geom.x = (mon->w.width - c->geom.width) / 2 + mon->m.x; + c->geom.y = (mon->w.height - c->geom.height) / 2 + mon->m.y; + wlr_scene_node_reparent(&c->scene->node, layers[c->isfloating ? LyrFloat : LyrTile]); + setmon(c, mon, newtags); +} + +void +arrange(Monitor *m) +{ + Client *c; + wl_list_for_each(c, &clients, link) + if (c->mon == m) + wlr_scene_node_set_enabled(&c->scene->node, 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 *layersurface; + struct wlr_box full_area = m->m; + + wl_list_for_each(layersurface, list, link) { + struct wlr_layer_surface_v1 *wlr_layer_surface = layersurface->layer_surface; + struct wlr_layer_surface_v1_state *state = &wlr_layer_surface->current; + + if (exclusive != (state->exclusive_zone > 0)) + continue; + + wlr_scene_layer_surface_v1_configure(layersurface->scene_layer, &full_area, usable_area); + wlr_scene_node_set_position(&layersurface->popups->node, + layersurface->scene->node.x, layersurface->scene->node.y); + layersurface->geom.x = layersurface->scene->node.x; + layersurface->geom.y = layersurface->scene->node.y; + } +} + +void +arrangelayers(Monitor *m) +{ + int i; + struct wlr_box usable_area = m->m; + uint32_t layers_above_shell[] = { + ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY, + ZWLR_LAYER_SHELL_V1_LAYER_TOP, + }; + LayerSurface *layersurface; + 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 (memcmp(&usable_area, &m->w, sizeof(struct wlr_box))) { + 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 < LENGTH(layers_above_shell); i++) { + wl_list_for_each_reverse(layersurface, + &m->layers[layers_above_shell[i]], link) { + if (!locked && layersurface->layer_surface->current.keyboard_interactive + && layersurface->mapped) { + /* Deactivate the focused client. */ + focusclient(NULL, 0); + exclusive_focus = layersurface; + client_notify_enter(layersurface->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; + IDLE_NOTIFY_ACTIVITY; + handlecursoractivity(true); + /* 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; + + IDLE_NOTIFY_ACTIVITY; + handlecursoractivity(true); + + switch (event->state) { + case WLR_BUTTON_PRESSED: + cursor_mode = CurPressed; + 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: + /* If you released any buttons, we exit interactive move/resize mode. */ + if (!locked && cursor_mode != CurNormal && cursor_mode != CurPressed) { + cursor_mode = CurNormal; + /* Clear the pointer focus, this way if the cursor is over a surface + * we will send an enter event after which the client will provide us + * a cursor surface */ + wlr_seat_pointer_clear_focus(seat); + motionnotify(0); + /* 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(wlr_backend_get_session(backend), 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_set_enabled(idle, NULL, !inhibited); + wlr_idle_notifier_v1_set_inhibited(idle_notifier, inhibited); +} + +void +cleanup(void) +{ +#ifdef XWAYLAND + wlr_xwayland_destroy(xwayland); +#endif + wl_display_destroy_clients(dpy); + if (child_pid > 0) { + kill(child_pid, SIGTERM); + waitpid(child_pid, NULL, 0); + } + wlr_backend_destroy(backend); + wlr_renderer_destroy(drw); + wlr_allocator_destroy(alloc); + wlr_xcursor_manager_destroy(cursor_mgr); + wlr_cursor_destroy(cursor); + wlr_output_layout_destroy(output_layout); + wlr_seat_destroy(seat); + wl_display_destroy(dpy); +} + +void +cleanupkeyboard(struct wl_listener *listener, void *data) +{ + Keyboard *kb = wl_container_of(listener, kb, destroy); + + wl_event_source_remove(kb->key_repeat_source); + wl_list_remove(&kb->link); + wl_list_remove(&kb->modifiers.link); + wl_list_remove(&kb->key.link); + wl_list_remove(&kb->destroy.link); + free(kb); +} + +void +cleanupmon(struct wl_listener *listener, void *data) +{ + Monitor *m = wl_container_of(listener, m, destroy); + LayerSurface *l, *tmp; + int i; + + for (i = 0; i <= ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY; 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); + m->wlr_output->data = NULL; + wlr_output_layout_remove(output_layout, m->wlr_output); + wlr_scene_output_destroy(m->scene_output); + wlr_scene_node_destroy(&m->fullscreen_bg->node); + + closemon(m); + free(m); +} + +void +closemon(Monitor *m) +{ + /* update selmon if needed and + * move closed monitor's clients to the focused one */ + Client *c; + if (wl_list_empty(&mons)) { + selmon = NULL; + } else if (m == selmon) { + int nmons = wl_list_length(&mons), i = 0; + 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 *layersurface = wl_container_of(listener, layersurface, surface_commit); + struct wlr_layer_surface_v1 *wlr_layer_surface = layersurface->layer_surface; + struct wlr_output *wlr_output = wlr_layer_surface->output; + + /* For some reason this layersurface have no monitor, this can be because + * its monitor has just been destroyed */ + if (!wlr_output || !(layersurface->mon = wlr_output->data)) + return; + + if (layers[wlr_layer_surface->current.layer] != layersurface->scene->node.parent) { + wlr_scene_node_reparent(&layersurface->scene->node, + layers[wlr_layer_surface->current.layer]); + wlr_scene_node_reparent(&layersurface->popups->node, + layers[wlr_layer_surface->current.layer]); + wl_list_remove(&layersurface->link); + wl_list_insert(&layersurface->mon->layers[wlr_layer_surface->current.layer], + &layersurface->link); + } + if (wlr_layer_surface->current.layer < ZWLR_LAYER_SHELL_V1_LAYER_TOP) + wlr_scene_node_reparent(&layersurface->popups->node, layers[LyrTop]); + + if (wlr_layer_surface->current.committed == 0 + && layersurface->mapped == wlr_layer_surface->mapped) + return; + layersurface->mapped = wlr_layer_surface->mapped; + + arrangelayers(layersurface->mon); +} + +void +commitnotify(struct wl_listener *listener, void *data) +{ + Client *c = wl_container_of(listener, c, commit); + struct wlr_box box = {0}; + client_get_geometry(c, &box); + + if (c->mon && !wlr_box_empty(&box) && (box.width != c->geom.width - 2 * c->bw + || box.height != c->geom.height - 2 * c->bw)) + c->isfloating ? resize(c, c->geom, 1) : arrange(c->mon); + + /* 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 *dec = data; + wlr_xdg_toplevel_decoration_v1_set_mode(dec, WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE); +} + +void +createidleinhibitor(struct wl_listener *listener, void *data) +{ + struct wlr_idle_inhibitor_v1 *idle_inhibitor = data; + wl_signal_add(&idle_inhibitor->events.destroy, &idle_inhibitor_destroy); + + checkidleinhibitor(NULL); +} + +void +createkeyboard(struct wlr_keyboard *keyboard) +{ + struct xkb_context *context; + struct xkb_keymap *keymap; + Keyboard *kb = keyboard->data = ecalloc(1, sizeof(*kb)); + kb->wlr_keyboard = keyboard; + + /* Prepare an XKB keymap and assign it to the keyboard. */ + context = xkb_context_new(XKB_CONTEXT_NO_FLAGS); + keymap = xkb_keymap_new_from_names(context, &xkb_rules, + XKB_KEYMAP_COMPILE_NO_FLAGS); + + wlr_keyboard_set_keymap(keyboard, keymap); + xkb_keymap_unref(keymap); + xkb_context_unref(context); + wlr_keyboard_set_repeat_info(keyboard, repeat_rate, repeat_delay); + + /* Here we set up listeners for keyboard events. */ + LISTEN(&keyboard->events.modifiers, &kb->modifiers, keypressmod); + LISTEN(&keyboard->events.key, &kb->key, keypress); + LISTEN(&keyboard->base.events.destroy, &kb->destroy, cleanupkeyboard); + + wlr_seat_set_keyboard(seat, keyboard); + + kb->key_repeat_source = wl_event_loop_add_timer( + wl_display_get_event_loop(dpy), keyrepeat, kb); + + /* And add the keyboard to our list of keyboards */ + wl_list_insert(&keyboards, &kb->link); +} + +void +createlayersurface(struct wl_listener *listener, void *data) +{ + struct wlr_layer_surface_v1 *wlr_layer_surface = data; + LayerSurface *layersurface; + struct wlr_layer_surface_v1_state old_state; + + if (!wlr_layer_surface->output) + wlr_layer_surface->output = selmon ? selmon->wlr_output : NULL; + + if (!wlr_layer_surface->output) + wlr_layer_surface_v1_destroy(wlr_layer_surface); + + layersurface = ecalloc(1, sizeof(LayerSurface)); + layersurface->type = LayerShell; + LISTEN(&wlr_layer_surface->surface->events.commit, + &layersurface->surface_commit, commitlayersurfacenotify); + LISTEN(&wlr_layer_surface->events.destroy, &layersurface->destroy, + destroylayersurfacenotify); + LISTEN(&wlr_layer_surface->events.map, &layersurface->map, + maplayersurfacenotify); + LISTEN(&wlr_layer_surface->events.unmap, &layersurface->unmap, + unmaplayersurfacenotify); + + layersurface->layer_surface = wlr_layer_surface; + layersurface->mon = wlr_layer_surface->output->data; + wlr_layer_surface->data = layersurface; + + layersurface->scene_layer = wlr_scene_layer_surface_v1_create( + layers[wlr_layer_surface->pending.layer], wlr_layer_surface); + layersurface->scene = layersurface->scene_layer->tree; + layersurface->popups = wlr_layer_surface->surface->data = + wlr_scene_tree_create(layers[wlr_layer_surface->pending.layer]); + + layersurface->scene->node.data = layersurface; + + wl_list_insert(&layersurface->mon->layers[wlr_layer_surface->pending.layer], + &layersurface->link); + + /* Temporarily set the layer's current state to pending + * so that we can easily arrange it + */ + old_state = wlr_layer_surface->current; + wlr_layer_surface->current = wlr_layer_surface->pending; + layersurface->mapped = 1; + arrangelayers(layersurface->mon); + wlr_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; + Monitor *m = wlr_output->data = ecalloc(1, sizeof(*m)); + m->wlr_output = wlr_output; + + wlr_output_init_render(wlr_output, alloc, drw); + + /* Initialize monitor state using configured rules */ + for (i = 0; i < LENGTH(m->layers); i++) + wl_list_init(&m->layers[i]); + m->tagset[0] = m->tagset[1] = 1; + for (r = monrules; r < END(monrules); r++) { + if (!r->name || strstr(wlr_output->name, r->name)) { + m->mfact = r->mfact; + m->nmaster = r->nmaster; + wlr_output_set_scale(wlr_output, r->scale); + wlr_xcursor_manager_load(cursor_mgr, r->scale); + m->lt[0] = m->lt[1] = r->lt; + wlr_output_set_transform(wlr_output, r->rr); + m->m.x = r->x; + m->m.y = r->y; + 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_set_mode(wlr_output, 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); + + wlr_output_enable(wlr_output, 1); + if (!wlr_output_commit(wlr_output)) + return; + + /* Try to enable adaptive sync, note that not all monitors support it. + * wlr_output_commit() will deactivate it in case it cannot be enabled */ + wlr_output_enable_adaptive_sync(wlr_output, 1); + wlr_output_commit(wlr_output); + + 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); + strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, LENGTH(m->ltsymbol)); +} + +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_box box; + int type = toplevel_from_wlr_surface(xdg_surface->surface, &c, &l); + if (!xdg_surface->popup->parent || type < 0) + return; + xdg_surface->surface->data = wlr_scene_xdg_surface_create( + xdg_surface->popup->parent->data, xdg_surface); + if ((l && !l->mon) || (c && !c->mon)) + return; + box = type == LayerShell ? l->mon->m : c->mon->w; + box.x -= (type == LayerShell ? l->geom.x : c->geom.x); + box.y -= (type == LayerShell ? l->geom.y : c->geom.y); + wlr_xdg_popup_unconstrain_from_box(xdg_surface->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; + + wl_client_get_credentials(c->surface.xdg->client->client, &c->pid, NULL, NULL); + + LISTEN(&xdg_surface->events.map, &c->map, mapnotify); + LISTEN(&xdg_surface->events.unmap, &c->unmap, unmapnotify); + LISTEN(&xdg_surface->events.destroy, &c->destroy, destroynotify); + LISTEN(&xdg_surface->toplevel->events.set_title, &c->set_title, updatetitle); + LISTEN(&xdg_surface->toplevel->events.request_fullscreen, &c->fullscreen, + fullscreennotify); + LISTEN(&xdg_surface->toplevel->events.request_maximize, &c->maximize, + maximizenotify); +} + +void +createpointer(struct wlr_pointer *pointer) +{ + if (wlr_input_device_is_libinput(&pointer->base)) { + struct libinput_device *libinput_device = (struct libinput_device*) + wlr_libinput_get_device_handle(&pointer->base); + + if (libinput_device_config_tap_get_finger_count(libinput_device)) { + libinput_device_config_tap_set_enabled(libinput_device, tap_to_click); + libinput_device_config_tap_set_drag_enabled(libinput_device, tap_and_drag); + libinput_device_config_tap_set_drag_lock_enabled(libinput_device, drag_lock); + libinput_device_config_tap_set_button_map(libinput_device, button_map); + } + + if (libinput_device_config_scroll_has_natural_scroll(libinput_device)) + libinput_device_config_scroll_set_natural_scroll_enabled(libinput_device, natural_scrolling); + + if (libinput_device_config_dwt_is_available(libinput_device)) + libinput_device_config_dwt_set_enabled(libinput_device, disable_while_typing); + + if (libinput_device_config_left_handed_is_available(libinput_device)) + libinput_device_config_left_handed_set(libinput_device, left_handed); + + if (libinput_device_config_middle_emulation_is_available(libinput_device)) + libinput_device_config_middle_emulation_set_enabled(libinput_device, middle_button_emulation); + + if (libinput_device_config_scroll_get_methods(libinput_device) != LIBINPUT_CONFIG_SCROLL_NO_SCROLL) + libinput_device_config_scroll_set_method (libinput_device, scroll_method); + + if (libinput_device_config_click_get_methods(libinput_device) != LIBINPUT_CONFIG_CLICK_METHOD_NONE) + libinput_device_config_click_set_method (libinput_device, click_method); + + if (libinput_device_config_send_events_get_modes(libinput_device)) + libinput_device_config_send_events_set_mode(libinput_device, send_events_mode); + + if (libinput_device_config_accel_is_available(libinput_device)) { + libinput_device_config_accel_set_profile(libinput_device, accel_profile); + libinput_device_config_accel_set_speed(libinput_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 +destroydragicon(struct wl_listener *listener, void *data) +{ + struct wlr_drag_icon *icon = data; + wlr_scene_node_destroy(icon->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 *layersurface = wl_container_of(listener, layersurface, destroy); + + wl_list_remove(&layersurface->link); + wl_list_remove(&layersurface->destroy.link); + wl_list_remove(&layersurface->map.link); + wl_list_remove(&layersurface->unmap.link); + wl_list_remove(&layersurface->surface_commit.link); + wlr_scene_node_destroy(&layersurface->scene->node); + free(layersurface); +} + +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) { + 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 surface is destroyed and should never be shown again. */ + Client *c = wl_container_of(listener, c, destroy); + wl_list_remove(&c->map.link); + wl_list_remove(&c->unmap.link); + wl_list_remove(&c->destroy.link); + wl_list_remove(&c->set_title.link); + wl_list_remove(&c->fullscreen.link); +#ifdef XWAYLAND + if (c->type != XDGShell) { + wl_list_remove(&c->configure.link); + wl_list_remove(&c->set_hints.link); + wl_list_remove(&c->activate.link); + } +#endif + 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(&session_lock_create_lock.link); + wl_list_remove(&session_lock_mgr_destroy.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 i, unused_lx, unused_ly; + + 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; + + /* 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) + for (i = 0; i < 4; i++) + wlr_scene_rect_set_color(c->border[i], 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. */ + Client *w = NULL; + LayerSurface *l = NULL; + int type = toplevel_from_wlr_surface(old, &w, &l); + if (type == LayerShell && wlr_scene_node_coords(&l->scene->node, &unused_lx, &unused_ly) + && l->layer_surface->current.layer >= ZWLR_LAYER_SHELL_V1_LAYER_TOP) { + return; + } else if (w && w == exclusive_focus && client_wants_focus(w)) { + return; + /* Don't deactivate old client if the new one wants focus, as this causes issues with winecfg + * and probably other clients */ + } else if (w && !client_is_unmanaged(w) && (!c || !client_wants_focus(c))) { + for (i = 0; i < 4; i++) + wlr_scene_rect_set_color(w->border[i], 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)); +} + +pid_t +getparentprocess(pid_t p) +{ + unsigned int v = 0; + + FILE *f; + char buf[256]; + snprintf(buf, sizeof(buf) - 1, "/proc/%u/stat", (unsigned)p); + + if (!(f = fopen(buf, "r"))) + return 0; + + fscanf(f, "%*u %*s %*c %u", &v); + fclose(f); + + return (pid_t)v; +} + +int +isdescprocess(pid_t p, pid_t c) +{ + while (p != c && c != 0) + c = getparentprocess(c); + + return (int)c; +} + +Client * +termforwin(Client *w) +{ + Client *c; + + if (!w->pid || w->isterm || w->noswallow) + return NULL; + + wl_list_for_each(c, &clients, link) + if (c->isterm && !c->swallowing && c->pid && isdescprocess(c->pid, w->pid)) + return c; + + return NULL; +} + +void +swallow(Client *c, Client *w) { + c->bw = w->bw; + c->isfloating = w->isfloating; + c->isurgent = w->isurgent; + c->isfullscreen = w->isfullscreen; + resize(c, w->geom, 0); + wl_list_insert(&w->link, &c->link); + wl_list_insert(&w->flink, &c->flink); + wlr_scene_node_set_enabled(&w->scene->node, 0); + wlr_scene_node_set_enabled(&c->scene->node, 1); +} + +void +handlecursoractivity(bool restore_focus) +{ + wl_event_source_timer_update(hide_source, cursor_timeout * 1000); + if (cursor_hidden) { + wlr_xcursor_manager_set_cursor_image(cursor_mgr, "left_ptr", cursor); + cursor_hidden = false; + if (restore_focus) + motionnotify(0); + } +} + +int +hidecursor(void *data) +{ + wlr_cursor_set_image(cursor, NULL, 0, 0, 0, 0, 0, 0); + wlr_seat_pointer_notify_clear_focus(seat); + cursor_hidden = true; + return 1; +} + +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(&keyboards)) + 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. + */ + int handled = 0; + 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); + handled = 1; + } + } + return handled; +} + +void +keypress(struct wl_listener *listener, void *data) +{ + int i; + /* This event is raised when a key is pressed or released. */ + Keyboard *kb = wl_container_of(listener, kb, 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( + kb->wlr_keyboard->xkb_state, keycode, &syms); + + int handled = 0; + uint32_t mods = wlr_keyboard_get_modifiers(kb->wlr_keyboard); + + IDLE_NOTIFY_ACTIVITY; + + /* On _press_ if there is no active screen locker, + * attempt to process a compositor keybinding. */ + if (!locked && !input_inhibit_mgr->active_inhibitor + && event->state == WL_KEYBOARD_KEY_STATE_PRESSED) + for (i = 0; i < nsyms; i++) + handled = keybinding(mods, syms[i]) || handled; + + if (handled && kb->wlr_keyboard->repeat_info.delay > 0) { + kb->mods = mods; + kb->keysyms = syms; + kb->nsyms = nsyms; + wl_event_source_timer_update(kb->key_repeat_source, + kb->wlr_keyboard->repeat_info.delay); + } else { + kb->nsyms = 0; + wl_event_source_timer_update(kb->key_repeat_source, 0); + } + + if (!handled) { + /* Pass unhandled keycodes along to the client. */ + wlr_seat_set_keyboard(seat, kb->wlr_keyboard); + 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. */ + Keyboard *kb = wl_container_of(listener, kb, modifiers); + /* + * 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 seat. You can swap out the underlying wlr_keyboard like this and + * wlr_seat handles this transparently. + */ + wlr_seat_set_keyboard(seat, kb->wlr_keyboard); + /* Send modifiers to the client. */ + wlr_seat_keyboard_notify_modifiers(seat, + &kb->wlr_keyboard->modifiers); +} + +int +keyrepeat(void *data) +{ + Keyboard *kb = data; + int i; + if (kb->nsyms && kb->wlr_keyboard->repeat_info.rate > 0) { + wl_event_source_timer_update(kb->key_repeat_source, + 1000 / kb->wlr_keyboard->repeat_info.rate); + + for (i = 0; i < kb->nsyms; i++) + keybinding(kb->mods, kb->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 = ecalloc(1, sizeof(*lock)); + focusclient(NULL, 0); + + lock->scene = wlr_scene_tree_create(layers[LyrBlock]); + cur_lock = lock->lock = session_lock; + locked = 1; + session_lock->data = lock; + + 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) +{ + LayerSurface *l = wl_container_of(listener, l, map); + wlr_surface_send_enter(l->layer_surface->surface, l->mon->wlr_output); + 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 = 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)); + if (client_surface(c)) { + client_surface(c)->data = c->scene; + /* Ideally we should do this in createnotify{,x11} but at that moment + * wlr_xwayland_surface doesn't have wlr_surface yet. */ + LISTEN(&client_surface(c)->events.commit, &c->commit, commitnotify); + } + c->scene->node.data = c->scene_surface->node.data = c; + + /* Handle unmanaged clients first so we can return prior create borders */ + if (client_is_unmanaged(c)) { + client_get_geometry(c, &c->geom); + /* 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, 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); + client_get_geometry(c, &c->geom); + 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(); + + if (!c->noswallow) { + Client *cp = termforwin(c); + if (cp) { + c->swallowedby = cp; + cp->swallowing = c; + wl_list_remove(&c->link); + wl_list_remove(&c->flink); + swallow(c,cp); + wl_list_remove(&cp->link); + wl_list_remove(&cp->flink); + arrange(c->mon); + } + } + +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. + * wlr_xdg_surface_schedule_configure() is used to send an empty reply. */ + Client *c = wl_container_of(listener, c, maximize); + 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; + int type; + struct wlr_surface *surface = NULL; + struct wlr_drag_icon *icon; + + /* time is 0 in internal calls meant to restore pointer focus. */ + if (time) { + IDLE_NOTIFY_ACTIVITY; + handlecursoractivity(false); + + /* Update selmon (even while dragging a window) */ + if (sloppyfocus) + selmon = xytomon(cursor->x, cursor->y); + } + + /* Update drag icon's position if any */ + if (seat->drag && (icon = seat->drag->icon)) + wlr_scene_node_set_position(icon->data, cursor->x + icon->surface->sx, + cursor->y + icon->surface->sy); + /* 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 = cursor->x - grabcx, .y = 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 = cursor->x - grabc->geom.x, .height = cursor->y - grabc->geom.y}, 1); + return; + } else if (cursor_mode == Curmfact) { + selmon->mfact = cursor->x / selmon->m.width; + arrange(selmon); + } + + /* 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) { + if ((type = toplevel_from_wlr_surface( + seat->pointer_state.focused_surface, &w, &l)) >= 0) { + c = w; + surface = seat->pointer_state.focused_surface; + sx = cursor->x - (type == LayerShell ? l->geom.x : w->geom.x); + sy = cursor->y - (type == LayerShell ? 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 && (!cursor_image || strcmp(cursor_image, "left_ptr"))) + wlr_xcursor_manager_set_cursor_image(cursor_mgr, (cursor_image = "left_ptr"), cursor); + + 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 */ + switch (cursor_mode = arg->ui) { + case CurMove: + setfloating(grabc, 1); + grabcx = cursor->x - grabc->geom.x; + grabcy = cursor->y - grabc->geom.y; + wlr_xcursor_manager_set_cursor_image(cursor_mgr, (cursor_image = "fleur"), cursor); + break; + case CurResize: + setfloating(grabc, 1); + /* 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_xcursor_manager_set_cursor_image(cursor_mgr, + (cursor_image = "bottom_right_corner"), cursor); + break; + case Curmfact: + selmon->mfact = cursor->x / selmon->m.width; + arrange(selmon); + } +} + +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; + + wlr_output_enable(wlr_output, config_head->state.enabled); + if (!config_head->state.enabled) + goto apply_or_test; + if (config_head->state.mode) + wlr_output_set_mode(wlr_output, config_head->state.mode); + else + wlr_output_set_custom_mode(wlr_output, + 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_move(output_layout, wlr_output, + config_head->state.x, config_head->state.y); + wlr_output_set_transform(wlr_output, config_head->state.transform); + wlr_output_set_scale(wlr_output, config_head->state.scale); + wlr_output_enable_adaptive_sync(wlr_output, + config_head->state.adaptive_sync_enabled); + +apply_or_test: + if (test) { + ok &= wlr_output_test(wlr_output); + wlr_output_rollback(wlr_output); + } else { + ok &= wlr_output_commit(wlr_output); + } + } + + if (ok) + wlr_output_configuration_v1_send_succeeded(config); + else + wlr_output_configuration_v1_send_failed(config); + wlr_output_configuration_v1_destroy(config); + + /* TODO: use a wrapper function? */ + updatemons(NULL, NULL); +} + +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; + int internal_call = !time; + + if (sloppyfocus && !internal_call && 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 (internal_call) { + 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 */ + /* Don't show the cursor when calling motionnotify(0) to restore pointer + * focus. */ + if (!cursor_hidden) + 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 +quitsignal(int signo) +{ + quit(NULL); +} + +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 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; + if (!wlr_scene_output_commit(m->scene_output)) + return; +skip: + /* Let clients know a frame has been rendered */ + clock_gettime(CLOCK_MONOTONIC, &now); + wlr_scene_output_send_frame_done(m->scene_output, &now); +} + +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 +resize(Client *c, struct wlr_box geo, int interact) +{ + struct wlr_box *bbox = interact ? &sgeom : &c->mon->w; + 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); +} + +void +run(char *startup_cmd) +{ + /* Add a Unix socket to the Wayland display. */ + const char *socket = wl_display_add_socket_auto(dpy); + struct sigaction sa = {.sa_flags = SA_RESTART, .sa_handler = SIG_IGN}; + sigemptyset(&sa.sa_mask); + 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 */ + 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]); + } + /* If nobody is reading the status output, don't terminate */ + sigaction(SIGPIPE, &sa, NULL); + 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_xcursor_manager_set_cursor_image(cursor_mgr, cursor_image, cursor); + handlecursoractivity(false); + + /* 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; + cursor_image = NULL; + /* 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 +setfloating(Client *c, int floating) +{ + c->isfloating = floating; + wlr_scene_node_reparent(&c->scene->node, layers[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[fullscreen + ? 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 +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 < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0; + 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; + + /* TODO leave/enter is not optimal but works */ + if (oldmon) { + wlr_surface_send_leave(client_surface(c), oldmon->wlr_output); + arrange(oldmon); + } + if (m) { + /* Make sure window actually overlaps with the monitor */ + resize(c, c->geom, 0); + wlr_surface_send_enter(client_surface(c), m->wlr_output); + c->tags = newtags ? newtags : m->tagset[m->seltags]; /* assign tags of target monitor */ + setfullscreen(c, c->isfullscreen); /* This will call arrange(c->mon) */ + } + 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 sigaction sa_term = {.sa_flags = SA_RESTART, .sa_handler = quitsignal}; + struct sigaction sa_sigchld = { +#ifdef XWAYLAND + .sa_flags = SA_RESTART, + .sa_handler = sigchld, +#else + .sa_flags = SA_NOCLDSTOP | SA_NOCLDWAIT | SA_RESTART, + .sa_handler = SIG_IGN, +#endif + }; + sigemptyset(&sa_term.sa_mask); + sigemptyset(&sa_sigchld.sa_mask); + /* 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(); + + /* Set up signal handlers */ + sigaction(SIGCHLD, &sa_sigchld, NULL); + sigaction(SIGINT, &sa_term, NULL); + sigaction(SIGTERM, &sa_term, NULL); + + /* 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. The NULL argument here optionally allows you + * to pass in a custom renderer if wlr_renderer doesn't meet your needs. The + * backend uses the renderer, for example, to fall back to software cursors + * if the backend does not support hardware cursors (some older GPUs + * don't). */ + if (!(backend = wlr_backend_autocreate(dpy))) + die("couldn't create backend"); + + /* Initialize the scene graph used to lay out windows */ + scene = wlr_scene_create(); + layers[LyrBg] = wlr_scene_tree_create(&scene->tree); + layers[LyrBottom] = wlr_scene_tree_create(&scene->tree); + layers[LyrTile] = wlr_scene_tree_create(&scene->tree); + layers[LyrFloat] = wlr_scene_tree_create(&scene->tree); + layers[LyrFS] = wlr_scene_tree_create(&scene->tree); + layers[LyrTop] = wlr_scene_tree_create(&scene->tree); + layers[LyrOverlay] = wlr_scene_tree_create(&scene->tree); + layers[LyrDragIcon] = wlr_scene_tree_create(&scene->tree); + layers[LyrBlock] = wlr_scene_tree_create(&scene->tree); + + /* Create a renderer with the default implementation */ + if (!(drw = wlr_renderer_autocreate(backend))) + die("couldn't create renderer"); + wlr_renderer_init_wl_display(drw, dpy); + + /* Create a default allocator */ + 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, drw); + wlr_export_dmabuf_manager_v1_create(dpy); + wlr_screencopy_manager_v1_create(dpy); + wlr_data_control_manager_v1_create(dpy); + wlr_data_device_manager_create(dpy); + wlr_gamma_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_subcompositor_create(dpy); + + /* Initializes the interface used to implement urgency hints */ + activation = wlr_xdg_activation_v1_create(dpy); + wl_signal_add(&activation->events.request_activate, &request_activate); + + /* 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(); + wl_signal_add(&output_layout->events.change, &layout_change); + 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); + wl_signal_add(&backend->events.new_output, &new_output); + + /* Set up our client lists and the xdg-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); + + idle = wlr_idle_create(dpy); + idle_notifier = wlr_idle_notifier_v1_create(dpy); + + idle_inhibit_mgr = wlr_idle_inhibit_v1_create(dpy); + wl_signal_add(&idle_inhibit_mgr->events.new_inhibitor, &idle_inhibitor_create); + + layer_shell = wlr_layer_shell_v1_create(dpy); + wl_signal_add(&layer_shell->events.new_surface, &new_layer_shell_surface); + + xdg_shell = wlr_xdg_shell_create(dpy, 4); + wl_signal_add(&xdg_shell->events.new_surface, &new_xdg_surface); + + input_inhibit_mgr = wlr_input_inhibit_manager_create(dpy); + session_lock_mgr = wlr_session_lock_manager_v1_create(dpy); + wl_signal_add(&session_lock_mgr->events.new_lock, &session_lock_create_lock); + wl_signal_add(&session_lock_mgr->events.destroy, &session_lock_mgr_destroy); + locked_bg = wlr_scene_rect_create(layers[LyrBlock], sgeom.width, sgeom.height, + (float [4]){0.1, 0.1, 0.1, 1.0}); + 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); + wl_signal_add(&xdg_decoration_mgr->events.new_toplevel_decoration, &new_xdg_decoration); + + /* + * 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); + + /* + * 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 my + * input handling blog post: + * + * https://drewdevault.com/2018/07/17/Input-handling-in-wlroots.html + * + * And more comments are sprinkled throughout the notify functions above. + */ + wl_signal_add(&cursor->events.motion, &cursor_motion); + wl_signal_add(&cursor->events.motion_absolute, &cursor_motion_absolute); + wl_signal_add(&cursor->events.button, &cursor_button); + wl_signal_add(&cursor->events.axis, &cursor_axis); + wl_signal_add(&cursor->events.frame, &cursor_frame); + + hide_source = wl_event_loop_add_timer(wl_display_get_event_loop(dpy), + hidecursor, cursor); + + /* + * 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. + */ + wl_list_init(&keyboards); + wl_signal_add(&backend->events.new_input, &new_input); + virtual_keyboard_mgr = wlr_virtual_keyboard_manager_v1_create(dpy); + wl_signal_add(&virtual_keyboard_mgr->events.new_virtual_keyboard, + &new_virtual_keyboard); + seat = wlr_seat_create(dpy, "seat0"); + wl_signal_add(&seat->events.request_set_cursor, &request_cursor); + wl_signal_add(&seat->events.request_set_selection, &request_set_sel); + wl_signal_add(&seat->events.request_set_primary_selection, &request_set_psel); + wl_signal_add(&seat->events.request_start_drag, &request_start_drag); + wl_signal_add(&seat->events.start_drag, &start_drag); + + output_mgr = wlr_output_manager_v1_create(dpy); + wl_signal_add(&output_mgr->events.apply, &output_mgr_apply); + wl_signal_add(&output_mgr->events.test, &output_mgr_test); + + wlr_scene_set_presentation(scene, wlr_presentation_create(dpy, backend)); + +#ifdef XWAYLAND + /* + * Initialise the XWayland X server. + * It will be started when the first X client is started. + */ + xwayland = wlr_xwayland_create(dpy, compositor, 1); + if (xwayland) { + wl_signal_add(&xwayland->events.ready, &xwayland_ready); + wl_signal_add(&xwayland->events.new_surface, &new_xwayland_surface); + + setenv("DISPLAY", xwayland->display_name, 1); + } else { + fprintf(stderr, "failed to setup XWayland X server, continuing without it\n"); + } +#endif +} + +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_subsurface_tree_create(layers[LyrDragIcon], drag->icon->surface); + motionnotify(0); + wl_signal_add(&drag->icon->events.destroy, &drag_icon_destroy); +} + +void +tag(const Arg *arg) +{ + Client *sel = focustop(selmon); + if (sel && arg->ui & TAGMASK) { + 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 i, n = 0, mw, my, ty; + 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 ? 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) + return; + newtags = sel->tags ^ (arg->ui & TAGMASK); + if (newtags) { + sel->tags = newtags; + focusclient(focustop(selmon), 1); + arrange(selmon); + } + printstatus(); +} + +void +toggleview(const Arg *arg) +{ + uint32_t newtagset = selmon ? selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK) : 0; + + if (newtagset) { + 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 *layersurface = wl_container_of(listener, layersurface, unmap); + + layersurface->mapped = 0; + wlr_scene_node_set_enabled(&layersurface->scene->node, 0); + if (layersurface == exclusive_focus) + exclusive_focus = NULL; + if (layersurface->layer_surface->output + && (layersurface->mon = layersurface->layer_surface->output->data)) + arrangelayers(layersurface->mon); + if (layersurface->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 (c->swallowing) { + c->swallowing->swallowedby = NULL; + c->swallowing = NULL; + } + + if (c->swallowedby) { + setfullscreen(c->swallowedby, 0); + swallow(c->swallowedby, c); + c->swallowedby->swallowing = NULL; + c->swallowedby = NULL; + } + + if (client_is_unmanaged(c)) { + if (c == exclusive_focus) + exclusive_focus = NULL; + if (client_surface(c) == seat->keyboard_state.focused_surface) + focusclient(focustop(selmon), 1); + } else { + wl_list_remove(&c->link); + setmon(c, NULL, 0); + wl_list_remove(&c->flink); + } + + wl_list_remove(&c->commit.link); + 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); + memset(&m->m, 0, sizeof(m->m)); + memset(&m->w, 0, sizeof(m->w)); + } + /* 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); + + /* 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)); + wlr_output_layout_get_box(output_layout, m->wlr_output, &(m->w)); + 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); + + config_head->state.enabled = 1; + config_head->state.mode = m->wlr_output->current_mode; + 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_is_mapped(c)) + setmon(c, selmon, c->tags); + if (selmon->lock_surface) + client_notify_enter(selmon->lock_surface->surface, + wlr_seat_get_keyboard(seat)); + } + + 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)) { + c->isurgent = 1; + printstatus(); + } +} + +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; + createkeyboard(&keyboard->keyboard); +} + +Monitor * +xytomon(double x, double y) +{ + struct wlr_output *o = wlr_output_layout_output_at(output_layout, x, y); + return o ? o->data : NULL; +} + +struct wlr_scene_node * +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; + const int *layer; + int focus_order[] = { LyrBlock, LyrOverlay, LyrTop, LyrFS, LyrFloat, LyrTile, LyrBottom, LyrBg }; + + for (layer = focus_order; layer < END(focus_order); layer++) { + if ((node = wlr_scene_node_at(&layers[*layer]->node, x, y, nx, ny))) { + if (node->type == WLR_SCENE_NODE_BUFFER) + surface = wlr_scene_surface_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 (surface) + break; + } + + if (psurface) *psurface = surface; + if (pc) *pc = c; + if (pl) *pl = l; + return node; +} + +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); +} + +#ifdef XWAYLAND +void +activatex11(struct wl_listener *listener, void *data) +{ + Client *c = wl_container_of(listener, c, activate); + + /* Only "managed" windows can be activated */ + if (c->type == X11Managed) + wlr_xwayland_surface_activate(c->surface.xwayland, 1); +} + +void +configurex11(struct wl_listener *listener, void *data) +{ + Client *c = wl_container_of(listener, c, configure); + struct wlr_xwayland_surface_configure_event *event = data; + if (!c->mon) + return; + if (c->isfloating || c->type == X11Unmanaged) + resize(c, (struct wlr_box){.x = event->x, .y = event->y, + .width = event->width, .height = event->height}, 0); + else + arrange(c->mon); +} + +void +createnotifyx11(struct wl_listener *listener, void *data) +{ + struct wlr_xwayland_surface *xsurface = data; + Client *c; + + /* Allocate a Client for this surface */ + c = xsurface->data = ecalloc(1, sizeof(*c)); + c->surface.xwayland = xsurface; + c->type = xsurface->override_redirect ? X11Unmanaged : X11Managed; + c->bw = borderpx; + + /* Listen to the various events it can emit */ + LISTEN(&xsurface->events.map, &c->map, mapnotify); + LISTEN(&xsurface->events.unmap, &c->unmap, unmapnotify); + LISTEN(&xsurface->events.request_activate, &c->activate, activatex11); + LISTEN(&xsurface->events.request_configure, &c->configure, configurex11); + LISTEN(&xsurface->events.set_hints, &c->set_hints, sethints); + LISTEN(&xsurface->events.set_title, &c->set_title, updatetitle); + LISTEN(&xsurface->events.destroy, &c->destroy, destroynotify); + LISTEN(&xsurface->events.request_fullscreen, &c->fullscreen, fullscreennotify); +} + +Atom +getatom(xcb_connection_t *xc, const char *name) +{ + Atom atom = 0; + xcb_intern_atom_reply_t *reply; + xcb_intern_atom_cookie_t cookie = xcb_intern_atom(xc, 0, strlen(name), name); + if ((reply = xcb_intern_atom_reply(xc, cookie, NULL))) + atom = reply->atom; + free(reply); + + return atom; +} + +void +sethints(struct wl_listener *listener, void *data) +{ + Client *c = wl_container_of(listener, c, set_hints); + if (c != focustop(selmon)) { + c->isurgent = xcb_icccm_wm_hints_get_urgency(c->surface.xwayland->hints); + printstatus(); + } +} + +void +sigchld(int unused) +{ + siginfo_t in; + /* We should be able to remove this function in favor of a simple + * struct sigaction sa = {.sa_handler = SIG_IGN}; + * sigaction(SIGCHLD, &sa, NULL); + * but the Xwayland implementation in wlroots currently prevents us from + * setting our own disposition for SIGCHLD. + */ + /* WNOWAIT leaves the child in a waitable state, in case this is the + * XWayland process + */ + while (!waitid(P_ALL, 0, &in, WEXITED|WNOHANG|WNOWAIT) && in.si_pid + && (!xwayland || in.si_pid != xwayland->server->pid)) + waitpid(in.si_pid, NULL, 0); +} + +void +xwaylandready(struct wl_listener *listener, void *data) +{ + struct wlr_xcursor *xcursor; + xcb_connection_t *xc = xcb_connect(xwayland->display_name, NULL); + int err = xcb_connection_has_error(xc); + if (err) { + fprintf(stderr, "xcb_connect to X server failed with code %d\n. Continuing with degraded functionality.\n", err); + return; + } + + /* Collect atoms we are interested in. If getatom returns 0, we will + * not detect that window type. */ + netatom[NetWMWindowTypeDialog] = getatom(xc, "_NET_WM_WINDOW_TYPE_DIALOG"); + netatom[NetWMWindowTypeSplash] = getatom(xc, "_NET_WM_WINDOW_TYPE_SPLASH"); + netatom[NetWMWindowTypeToolbar] = getatom(xc, "_NET_WM_WINDOW_TYPE_TOOLBAR"); + netatom[NetWMWindowTypeUtility] = getatom(xc, "_NET_WM_WINDOW_TYPE_UTILITY"); + + /* assign the one and only seat */ + wlr_xwayland_set_seat(xwayland, seat); + + /* Set the default XWayland cursor to match the rest of dwl. */ + if ((xcursor = wlr_xcursor_manager_get_xcursor(cursor_mgr, "left_ptr", 1))) + wlr_xwayland_set_cursor(xwayland, + xcursor->images[0]->buffer, xcursor->images[0]->width * 4, + xcursor->images[0]->width, xcursor->images[0]->height, + xcursor->images[0]->hotspot_x, xcursor->images[0]->hotspot_y); + + xcb_disconnect(xc); +} +#endif + +int +main(int argc, char *argv[]) +{ + char *startup_cmd = NULL; + int c; + + while ((c = getopt(argc, argv, "s:hv")) != -1) { + if (c == 's') + startup_cmd = optarg; + 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"); + setup(); + run(startup_cmd); + cleanup(); + return EXIT_SUCCESS; + +usage: + die("Usage: %s [-v] [-s startup command]", argv[0]); +} diff --git a/patches/push.patch b/patches/push.patch new file mode 100644 index 0000000..13e2ae0 --- /dev/null +++ b/patches/push.patch @@ -0,0 +1,129 @@ +From 0259e9a8ab52d720901bcd9fbafe7fe067b10435 Mon Sep 17 00:00:00 2001 +From: "Devin J. Pohly" +Date: Thu, 4 Mar 2021 00:45:50 -0600 +Subject: [PATCH 1/2] port dwm "push" patch to dwl + +--- + Makefile | 2 +- + dwl.c | 2 ++ + push.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 66 insertions(+), 1 deletion(-) + create mode 100644 push.c + +diff --git a/Makefile b/Makefile +index ccca0794..078ced57 100644 +--- a/Makefile ++++ b/Makefile +@@ -16,7 +16,7 @@ LDLIBS = `$(PKG_CONFIG) --libs $(PKGS)` $(LIBS) + all: dwl + dwl: dwl.o util.o + $(CC) dwl.o util.o $(LDLIBS) $(LDFLAGS) $(DWLCFLAGS) -o $@ +-dwl.o: dwl.c config.mk config.h client.h xdg-shell-protocol.h wlr-layer-shell-unstable-v1-protocol.h ++dwl.o: dwl.c push.c config.mk config.h client.h xdg-shell-protocol.h wlr-layer-shell-unstable-v1-protocol.h + util.o: util.c util.h + + # wayland-scanner is a tool which generates C headers and rigging for Wayland +diff --git a/dwl.c b/dwl.c +index 2a8162c1..49b87c15 100644 +--- a/dwl.c ++++ b/dwl.c +@@ -370,7 +370,9 @@ static Atom netatom[NetLast]; + #endif + + /* configuration, allows nested code to access above variables */ ++#include "push.h" + #include "config.h" ++#include "push.c" + + /* attempt to encapsulate suck into one file */ + #include "client.h" +diff --git a/push.c b/push.c +new file mode 100644 +index 00000000..26ed462f +--- /dev/null ++++ b/push.c +@@ -0,0 +1,63 @@ ++static Client * ++nexttiled(Client *sel) { ++ Client *c; ++ wl_list_for_each(c, &sel->link, link) { ++ if (&c->link == &clients) ++ break; /* don't wrap */ ++ if (!c->isfloating && VISIBLEON(c, selmon)) ++ return c; ++ } ++ return NULL; ++} ++ ++static Client * ++prevtiled(Client *sel) { ++ Client *c; ++ wl_list_for_each_reverse(c, &sel->link, link) { ++ if (&c->link == &clients) ++ break; /* don't wrap */ ++ if (!c->isfloating && VISIBLEON(c, selmon)) ++ return c; ++ } ++ return NULL; ++} ++ ++static void ++pushup(const Arg *arg) { ++ Client *sel = selclient(); ++ Client *c; ++ ++ if(!sel || sel->isfloating) ++ return; ++ if((c = prevtiled(sel))) { ++ /* attach before c */ ++ wl_list_remove(&sel->link); ++ wl_list_insert(c->link.prev, &sel->link); ++ } else { ++ /* move to the end */ ++ wl_list_remove(&sel->link); ++ wl_list_insert(clients.prev, &sel->link); ++ } ++ focusclient(sel, 1); ++ arrange(selmon); ++} ++ ++static void ++pushdown(const Arg *arg) { ++ Client *sel = selclient(); ++ Client *c; ++ ++ if(!sel || sel->isfloating) ++ return; ++ if((c = nexttiled(sel))) { ++ /* attach after c */ ++ wl_list_remove(&sel->link); ++ wl_list_insert(&c->link, &sel->link); ++ } else { ++ /* move to the front */ ++ wl_list_remove(&sel->link); ++ wl_list_insert(&clients, &sel->link); ++ } ++ focusclient(sel, 1); ++ arrange(selmon); ++} + +From a4e4fd3d25d6a7e59039e38c5486e5c62adb0e2a Mon Sep 17 00:00:00 2001 +From: "Devin J. Pohly" +Date: Thu, 4 Mar 2021 13:52:58 -0600 +Subject: [PATCH 2/2] add missing header + +--- + push.h | 4 ++++ + 1 file changed, 4 insertions(+) + create mode 100644 push.h + +diff --git a/push.h b/push.h +new file mode 100644 +index 00000000..59c0f80e +--- /dev/null ++++ b/push.h +@@ -0,0 +1,4 @@ ++static Client *nexttiled(Client *sel); ++static Client *prevtiled(Client *sel); ++static void pushdown(const Arg *arg); ++static void pushup(const Arg *arg); diff --git a/push.c b/push.c new file mode 100644 index 0000000..323c317 --- /dev/null +++ b/push.c @@ -0,0 +1,63 @@ +static Client * +nexttiled(Client *sel) { + Client *c; + wl_list_for_each(c, &sel->link, link) { + if (&c->link == &clients) + break; /* don't wrap */ + if (!c->isfloating && VISIBLEON(c, selmon)) + return c; + } + return NULL; +} + +static Client * +prevtiled(Client *sel) { + Client *c; + wl_list_for_each_reverse(c, &sel->link, link) { + if (&c->link == &clients) + break; /* don't wrap */ + if (!c->isfloating && VISIBLEON(c, selmon)) + return c; + } + return NULL; +} + +static void +pushup(const Arg *arg) { + Client *sel = focustop(selmon); + Client *c; + + if(!sel || sel->isfloating) + return; + if((c = prevtiled(sel))) { + /* attach before c */ + wl_list_remove(&sel->link); + wl_list_insert(c->link.prev, &sel->link); + } else { + /* move to the end */ + wl_list_remove(&sel->link); + wl_list_insert(clients.prev, &sel->link); + } + focusclient(sel, 1); + arrange(selmon); +} + +static void +pushdown(const Arg *arg) { + Client *sel = focustop(selmon); + Client *c; + + if(!sel || sel->isfloating) + return; + if((c = nexttiled(sel))) { + /* attach after c */ + wl_list_remove(&sel->link); + wl_list_insert(&c->link, &sel->link); + } else { + /* move to the front */ + wl_list_remove(&sel->link); + wl_list_insert(&clients, &sel->link); + } + focusclient(sel, 1); + arrange(selmon); +} diff --git a/push.h b/push.h new file mode 100644 index 0000000..59c0f80 --- /dev/null +++ b/push.h @@ -0,0 +1,4 @@ +static Client *nexttiled(Client *sel); +static Client *prevtiled(Client *sel); +static void pushdown(const Arg *arg); +static void pushup(const Arg *arg);