dwl/dwl.c
2023-02-22 17:13:57 +03:00

2870 lines
97 KiB
C

/*
* See LICENSE file for copyright and license details.
*/
#include <getopt.h>
#include <libinput.h>
#include <limits.h>
#include <linux/input-event-codes.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <wayland-server-core.h>
#include <wlr/backend.h>
#include <wlr/backend/libinput.h>
#include <wlr/render/allocator.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_data_control_v1.h>
#include <wlr/types/wlr_data_device.h>
#include <wlr/types/wlr_export_dmabuf_v1.h>
#include <wlr/types/wlr_gamma_control_v1.h>
#include <wlr/types/wlr_idle.h>
#include <wlr/types/wlr_idle_inhibit_v1.h>
#include <wlr/types/wlr_idle_notify_v1.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/types/wlr_input_inhibitor.h>
#include <wlr/types/wlr_keyboard.h>
#include <wlr/types/wlr_layer_shell_v1.h>
#include <wlr/types/wlr_output.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output_management_v1.h>
#include <wlr/types/wlr_pointer.h>
#include <wlr/types/wlr_presentation_time.h>
#include <wlr/types/wlr_primary_selection.h>
#include <wlr/types/wlr_primary_selection_v1.h>
#include <wlr/types/wlr_scene.h>
#include <wlr/types/wlr_screencopy_v1.h>
#include <wlr/types/wlr_seat.h>
#include <wlr/types/wlr_server_decoration.h>
#include <wlr/types/wlr_session_lock_v1.h>
#include <wlr/types/wlr_single_pixel_buffer_v1.h>
#include <wlr/types/wlr_subcompositor.h>
#include <wlr/types/wlr_viewporter.h>
#include <wlr/types/wlr_virtual_keyboard_v1.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/types/wlr_xdg_activation_v1.h>
#include <wlr/types/wlr_xdg_decoration_v1.h>
#include <wlr/types/wlr_xdg_output_v1.h>
#include <wlr/types/wlr_xdg_shell.h>
#include <wlr/util/log.h>
#include <xkbcommon/xkbcommon.h>
#ifdef XWAYLAND
#include <X11/Xlib.h>
#include <wlr/xwayland.h>
#include <xcb/xcb_icccm.h>
#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 ((1 << LENGTH (tags)) - 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 }; /* 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;
unsigned int ui;
float f;
const void *v;
} Arg;
typedef struct {
unsigned int mod;
unsigned int button;
void (*func) (const Arg *);
const Arg arg;
} Button;
typedef struct Monitor Monitor;
typedef struct {
/* Must keep these three elements in this order */
unsigned int type; /* XDGShell or X11* */
struct wlr_box geom; /* layout-relative, includes border */
Monitor *mon;
struct wlr_scene_tree *scene;
struct wlr_scene_rect *border[4]; /* top, bottom, left, right */
struct wlr_scene_tree *scene_surface;
struct wl_list link;
struct wl_list flink;
union {
struct wlr_xdg_surface *xdg;
struct wlr_xwayland_surface *xwayland;
} surface;
struct 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;
unsigned int tags;
int isfloating, isurgent, isfullscreen;
uint32_t resize; /* configure serial of a pending resize */
} Client;
typedef struct {
uint32_t mod;
xkb_keysym_t keysym;
void (*func) (const Arg *);
const Arg arg;
} Key;
typedef struct {
struct wl_list link;
struct wlr_keyboard *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;
unsigned int tagset[2];
double mfact;
int nmaster;
};
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;
unsigned int tags;
int isfloating;
int monitor;
} Rule;
typedef struct {
struct wlr_scene_tree *scene;
struct wlr_session_lock_v1 *lock;
struct wl_listener new_surface;
struct wl_listener unlock;
struct wl_listener destroy;
} SessionLock;
/* function declarations */
static void applybounds (Client *c, struct wlr_box *bbox);
static void 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 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, unsigned int 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);
/* 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 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"
/* compile-time check if all tags fit into an unsigned int bit array. */
struct NumTags {
char limitexceeded[LENGTH (tags) > 31 ? -1 : 1];
};
/* 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 its 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;
unsigned int 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;
newtags |= r->tags;
i = 0;
wl_list_for_each (m, &mons, link) if (r->monitor == i++) mon = m;
}
}
wlr_scene_node_reparent (&c->scene->node, layers[c->isfloating ? LyrFloat : LyrTile]);
setmon (c, mon, newtags);
}
void
arrange (Monitor *m)
{
Client *c;
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);
if (m && 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;
/* 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;
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;
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 || tree->node.enabled))) {
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);
}
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;
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;
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 && l->scene->node.enabled
&& 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));
}
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 ();
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;
wl_list_for_each (c, &clients, link)
{
if (!VISIBLEON (c, m) || c->isfloating || c->isfullscreen)
continue;
resize (c, m->w, 0);
}
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;
/* 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;
}
/* 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 */
setfloating (grabc, 1);
switch (cursor_mode = arg->ui) {
case CurMove:
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:
/* 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;
}
}
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 */
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;
unsigned int 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->lt[m->sellt]->symbol);
}
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);
/* 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;
/* TODO change layout symbol? */
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, unsigned int 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);
/*
* 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)
{
unsigned int 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)
{
unsigned int 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 (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]);
}