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dwl.c
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/*
* See LICENSE file for copyright and license details.
*/
#include <getopt.h>
#include <libinput.h>
#include <linux/input-event-codes.h>
#include <libdrm/drm_fourcc.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_cursor_shape_v1.h>
#include <wlr/types/wlr_data_control_v1.h>
#include <wlr/types/wlr_data_device.h>
#include <wlr/types/wlr_drm.h>
#include <wlr/types/wlr_export_dmabuf_v1.h>
#include <wlr/types/wlr_fractional_scale_v1.h>
#include <wlr/types/wlr_gamma_control_v1.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_keyboard.h>
#include <wlr/types/wlr_keyboard_group.h>
#include <wlr/types/wlr_layer_shell_v1.h>
#include <wlr/types/wlr_linux_dmabuf_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_pointer_constraints_v1.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_relative_pointer_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_virtual_pointer_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/interfaces/wlr_buffer.h>
#include <wlr/util/log.h>
#include <wlr/util/region.h>
#include <fcft/fcft.h>
#include <pixman-1/pixman.h>
#include <xkbcommon/xkbcommon.h>
#ifdef XWAYLAND
#include <wlr/xwayland.h>
#include <xcb/xcb.h>
#include <xcb/xcb_icccm.h>
#endif
#include "util.h"
#include "drwl.h"
/* macros */
#define MAX(A, B) ((A) > (B) ? (A) : (B))
#define MIN(A, B) ((A) < (B) ? (A) : (B))
#define ROUND(X) ((int)((X < 0) ? (X - 0.5) : (X + 0.5)))
#define CLEANMASK(mask) (mask & ~WLR_MODIFIER_CAPS)
#define VISIBLEON(C, M) ((M) && (C)->mon == (M) && ((C)->tags & (M)->tagset[(M)->seltags]))
#define LENGTH(X) (sizeof X / sizeof X[0])
#define END(A) ((A) + LENGTH(A))
#define TAGMASK ((1u << LENGTH(tags)) - 1)
#define LISTEN(E, L, H) wl_signal_add((E), ((L)->notify = (H), (L)))
#define LISTEN_STATIC(E, H) do { static struct wl_listener _l = {.notify = (H)}; wl_signal_add((E), &_l); } while (0)
#define TEXTW(text) (drwl_text(NULL, font, 0, 0, 0, 0, 0, text, NULL, NULL) + lrpad)
/* enums */
enum { CurNormal, CurPressed, CurMove, CurResize }; /* cursor */
enum { XDGShell, LayerShell, X11 }; /* client types */
enum { LyrBg, LyrBottom, LyrTile, LyrFloat, LyrTop, LyrFS, LyrOverlay, LyrBlock, NUM_LAYERS }; /* scene layers */
enum { ClkTagBar, ClkLtSymbol, ClkStatus, ClkTitle, ClkClient, ClkRoot }; /* clicks */
#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 click;
unsigned int mod;
unsigned int button;
void (*func)(const Arg *);
const Arg arg;
} Button;
typedef struct Monitor Monitor;
typedef struct {
/* Must keep these three elements in this order */
unsigned int type; /* XDGShell or X11* */
struct wlr_box geom; /* layout-relative, includes border */
Monitor *mon;
struct wlr_scene_tree *scene;
struct wlr_scene_rect *border[4]; /* top, bottom, left, right */
struct wlr_scene_tree *scene_surface;
struct wl_list link;
struct wl_list flink;
union {
struct wlr_xdg_surface *xdg;
struct wlr_xwayland_surface *xwayland;
} surface;
struct wlr_xdg_toplevel_decoration_v1 *decoration;
struct wl_listener commit;
struct wl_listener map;
struct wl_listener maximize;
struct wl_listener unmap;
struct wl_listener destroy;
struct wl_listener set_title;
struct wl_listener fullscreen;
struct wl_listener set_decoration_mode;
struct wl_listener destroy_decoration;
struct wlr_box prev; /* layout-relative, includes border */
struct wlr_box bounds;
#ifdef XWAYLAND
struct wl_listener activate;
struct wl_listener associate;
struct wl_listener dissociate;
struct wl_listener configure;
struct wl_listener set_hints;
#endif
unsigned int bw;
uint32_t tags;
int isfloating, isurgent, isfullscreen;
uint32_t resize; /* configure serial of a pending resize */
} Client;
typedef struct {
uint32_t mod;
xkb_keysym_t keysym;
void (*func)(const Arg *);
const Arg arg;
} Key;
typedef struct {
struct wl_list link;
struct wlr_keyboard_group *wlr_group;
int nsyms;
const xkb_keysym_t *keysyms; /* invalid if nsyms == 0 */
uint32_t mods; /* invalid if nsyms == 0 */
struct wl_event_source *key_repeat_source;
struct wl_listener modifiers;
struct wl_listener key;
} KeyboardGroup;
typedef struct {
/* Must keep these three elements in this order */
unsigned int type; /* LayerShell */
struct wlr_box geom;
Monitor *mon;
struct wlr_scene_tree *scene;
struct wlr_scene_tree *popups;
struct wlr_scene_layer_surface_v1 *scene_layer;
struct wl_list link;
int mapped;
struct wlr_layer_surface_v1 *layer_surface;
struct wl_listener destroy;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener surface_commit;
} LayerSurface;
typedef struct {
const char *symbol;
void (*arrange)(Monitor *);
} Layout;
struct Monitor {
struct wl_list link;
struct wlr_output *wlr_output;
struct wlr_scene_output *scene_output;
struct wlr_scene_buffer *scene_buffer; /* bar buffer */
struct wlr_scene_rect *fullscreen_bg; /* See createmon() for info */
struct wl_listener frame;
struct wl_listener destroy;
struct wl_listener request_state;
struct wl_listener destroy_lock_surface;
struct wlr_session_lock_surface_v1 *lock_surface;
struct wlr_box m; /* monitor area, layout-relative */
struct wlr_box b; /* bar area */
struct wlr_box w; /* window area, layout-relative */
struct wl_list layers[4]; /* LayerSurface.link */
const Layout *lt[2];
unsigned int seltags;
unsigned int sellt;
uint32_t tagset[2];
float mfact;
int gamma_lut_changed;
int nmaster;
int showbar;
char ltsymbol[16];
};
typedef struct {
struct wlr_buffer base;
size_t stride;
uint32_t data[];
} Buffer;
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 {
struct wlr_pointer_constraint_v1 *constraint;
struct wl_listener destroy;
} PointerConstraint;
typedef struct {
const char *id;
const char *title;
uint32_t tags;
int isfloating;
int monitor;
} Rule;
typedef struct {
struct wlr_scene_tree *scene;
struct wlr_session_lock_v1 *lock;
struct wl_listener new_surface;
struct wl_listener unlock;
struct wl_listener destroy;
} SessionLock;
/* function declarations */
static void applybounds(Client *c, struct wlr_box *bbox);
static void 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 bool bar_accepts_input(struct wlr_scene_buffer *buffer, double *sx, double *sy);
static void buffer_destroy(struct wlr_buffer *buffer);
static bool buffer_begin_data_ptr_access(struct wlr_buffer *buffer, uint32_t flags, void **data, uint32_t *format, size_t *stride);
static void buffer_end_data_ptr_access(struct wlr_buffer *buffer);
static void buttonpress(struct wl_listener *listener, void *data);
static void chvt(const Arg *arg);
static void checkidleinhibitor(struct wlr_surface *exclude);
static void cleanup(void);
static void cleanupmon(struct wl_listener *listener, void *data);
static void closemon(Monitor *m);
static void commitlayersurfacenotify(struct wl_listener *listener, void *data);
static void commitnotify(struct wl_listener *listener, void *data);
static void createdecoration(struct wl_listener *listener, void *data);
static void createidleinhibitor(struct wl_listener *listener, void *data);
static void createkeyboard(struct wlr_keyboard *keyboard);
static void createlayersurface(struct wl_listener *listener, void *data);
static void createlocksurface(struct wl_listener *listener, void *data);
static void createmon(struct wl_listener *listener, void *data);
static void createnotify(struct wl_listener *listener, void *data);
static void createpointer(struct wlr_pointer *pointer);
static void createpointerconstraint(struct wl_listener *listener, void *data);
static void cursorconstrain(struct wlr_pointer_constraint_v1 *constraint);
static void cursorframe(struct wl_listener *listener, void *data);
static void cursorwarptohint(void);
static void destroydecoration(struct wl_listener *listener, void *data);
static void destroydragicon(struct wl_listener *listener, void *data);
static void destroyidleinhibitor(struct wl_listener *listener, void *data);
static void destroylayersurfacenotify(struct wl_listener *listener, void *data);
static void destroylock(SessionLock *lock, int unlocked);
static void destroylocksurface(struct wl_listener *listener, void *data);
static void destroynotify(struct wl_listener *listener, void *data);
static void destroypointerconstraint(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 drawbar(Monitor *m);
static void drawbars(void);
static void focusclient(Client *c, int lift);
static void focusmon(const Arg *arg);
static void focusstack(const Arg *arg);
static Client *focustop(Monitor *m);
static void fullscreennotify(struct wl_listener *listener, void *data);
static void handlesig(int signo);
static void incnmaster(const Arg *arg);
static void inputdevice(struct wl_listener *listener, void *data);
static int keybinding(uint32_t mods, xkb_keysym_t sym);
static void keypress(struct wl_listener *listener, void *data);
static void keypressmod(struct wl_listener *listener, void *data);
static int keyrepeat(void *data);
static void killclient(const Arg *arg);
static void locksession(struct wl_listener *listener, void *data);
static void maplayersurfacenotify(struct wl_listener *listener, void *data);
static void mapnotify(struct wl_listener *listener, void *data);
static void maximizenotify(struct wl_listener *listener, void *data);
static void monocle(Monitor *m);
static void motionabsolute(struct wl_listener *listener, void *data);
static void motionnotify(uint32_t time, struct wlr_input_device *device, double sx,
double sy, double sx_unaccel, double sy_unaccel);
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 quit(const Arg *arg);
static void rendermon(struct wl_listener *listener, void *data);
static void requestdecorationmode(struct wl_listener *listener, void *data);
static void requeststartdrag(struct wl_listener *listener, void *data);
static void requestmonstate(struct wl_listener *listener, void *data);
static void resize(Client *c, struct wlr_box geo, int interact);
static void run(char *startup_cmd);
static void setcursor(struct wl_listener *listener, void *data);
static void setcursorshape(struct wl_listener *listener, void *data);
static void setfloating(Client *c, int floating);
static void setfullscreen(Client *c, int fullscreen);
static void setgamma(struct wl_listener *listener, void *data);
static void setlayout(const Arg *arg);
static void setmfact(const Arg *arg);
static void setmon(Client *c, Monitor *m, uint32_t newtags);
static void setpsel(struct wl_listener *listener, void *data);
static void setsel(struct wl_listener *listener, void *data);
static void setup(void);
static void spawn(const Arg *arg);
static void startdrag(struct wl_listener *listener, void *data);
static int status_in(int fd, unsigned int mask, void *data);
static void tag(const Arg *arg);
static void tagmon(const Arg *arg);
static void tile(Monitor *m);
static void togglebar(const Arg *arg);
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 updatebardims(Monitor *m);
static void updatetitle(struct wl_listener *listener, void *data);
static void urgent(struct wl_listener *listener, void *data);
static void view(const Arg *arg);
static void virtualkeyboard(struct wl_listener *listener, void *data);
static void virtualpointer(struct wl_listener *listener, void *data);
static Monitor *xytomon(double x, double y);
static void xytonode(double x, double y, struct wlr_surface **psurface,
Client **pc, LayerSurface **pl, double *nx, double *ny);
static void zoom(const Arg *arg);
/* variables */
static const char broken[] = "broken";
static pid_t child_pid = -1;
static int locked;
static void *exclusive_focus;
static struct wl_display *dpy;
static struct wlr_backend *backend;
static struct wlr_scene *scene;
static struct wlr_scene_tree *layers[NUM_LAYERS];
static struct wlr_scene_tree *drag_icon;
/* Map from ZWLR_LAYER_SHELL_* constants to Lyr* enum */
static const int layermap[] = { LyrBg, LyrBottom, LyrTop, LyrOverlay };
static struct wlr_renderer *drw;
static struct wlr_allocator *alloc;
static struct wlr_compositor *compositor;
static struct wlr_session *session;
static struct wlr_xdg_shell *xdg_shell;
static struct wlr_xdg_activation_v1 *activation;
static struct wlr_xdg_decoration_manager_v1 *xdg_decoration_mgr;
static struct wl_list clients; /* tiling order */
static struct wl_list fstack; /* focus order */
static struct wlr_idle_notifier_v1 *idle_notifier;
static struct wlr_idle_inhibit_manager_v1 *idle_inhibit_mgr;
static struct wlr_layer_shell_v1 *layer_shell;
static struct wlr_output_manager_v1 *output_mgr;
static struct wlr_gamma_control_manager_v1 *gamma_control_mgr;
static struct wlr_virtual_keyboard_manager_v1 *virtual_keyboard_mgr;
static struct wlr_virtual_pointer_manager_v1 *virtual_pointer_mgr;
static struct wlr_cursor_shape_manager_v1 *cursor_shape_mgr;
static struct wlr_pointer_constraints_v1 *pointer_constraints;
static struct wlr_relative_pointer_manager_v1 *relative_pointer_mgr;
static struct wlr_pointer_constraint_v1 *active_constraint;
static struct wlr_cursor *cursor;
static struct wlr_xcursor_manager *cursor_mgr;
static struct wlr_scene_rect *root_bg;
static struct wlr_session_lock_manager_v1 *session_lock_mgr;
static struct wlr_scene_rect *locked_bg;
static struct wlr_session_lock_v1 *cur_lock;
static struct wl_listener lock_listener = {.notify = locksession};
static struct wlr_seat *seat;
static KeyboardGroup kb_group = {0};
static KeyboardGroup vkb_group = {0};
static struct wlr_surface *held_grab;
static unsigned int cursor_mode;
static Client *grabc;
static int grabcx, grabcy; /* client-relative */
static struct wlr_output_layout *output_layout;
static struct wlr_box sgeom;
static struct wl_list mons;
static Monitor *selmon;
static struct fcft_font *font;
static int bh;
static int lrpad;
static char stext[256];
static struct wl_event_source *status_event_source;
static const struct wlr_buffer_impl buffer_impl = {
.destroy = buffer_destroy,
.begin_data_ptr_access = buffer_begin_data_ptr_access,
.end_data_ptr_access = buffer_end_data_ptr_access
};
#ifdef XWAYLAND
static void activatex11(struct wl_listener *listener, void *data);
static void associatex11(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 void dissociatex11(struct wl_listener *listener, void *data);
static xcb_atom_t getatom(xcb_connection_t *xc, const char *name);
static void sethints(struct wl_listener *listener, void *data);
static void xwaylandready(struct wl_listener *listener, void *data);
static struct wlr_xwayland *xwayland;
static xcb_atom_t 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)
{
/* set minimum possible */
c->geom.width = MAX(1 + 2 * (int)c->bw, c->geom.width);
c->geom.height = MAX(1 + 2 * (int)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 * (int)c->bw <= bbox->x)
c->geom.x = bbox->x;
if (c->geom.y + c->geom.height + 2 * (int)c->bw <= bbox->y)
c->geom.y = bbox->y;
}
void
applyrules(Client *c)
{
/* rule matching */
const char *appid, *title;
uint32_t newtags = 0;
int i;
const Rule *r;
Monitor *mon = selmon, *m;
c->isfloating = client_is_float_type(c);
if (!(appid = client_get_appid(c)))
appid = broken;
if (!(title = client_get_title(c)))
title = broken;
for (r = rules; r < END(rules); r++) {
if ((!r->title || strstr(title, r->title))
&& (!r->id || strstr(appid, r->id))) {
c->isfloating = r->isfloating;
newtags |= r->tags;
i = 0;
wl_list_for_each(m, &mons, link) {
if (r->monitor == i++)
mon = m;
}
}
}
setmon(c, mon, newtags);
}
void
arrange(Monitor *m)
{
Client *c;
if (!m->wlr_output->enabled)
return;
wl_list_for_each(c, &clients, link) {
if (c->mon == m) {
wlr_scene_node_set_enabled(&c->scene->node, VISIBLEON(c, m));
client_set_suspended(c, !VISIBLEON(c, m));
}
}
wlr_scene_node_set_enabled(&m->fullscreen_bg->node,
(c = focustop(m)) && c->isfullscreen);
strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, LENGTH(m->ltsymbol));
if (m->lt[m->sellt]->arrange)
m->lt[m->sellt]->arrange(m);
motionnotify(0, NULL, 0, 0, 0, 0);
checkidleinhibitor(NULL);
}
void
arrangelayer(Monitor *m, struct wl_list *list, struct wlr_box *usable_area, int exclusive)
{
LayerSurface *l;
struct wlr_box full_area = m->m;
wl_list_for_each(l, list, link) {
struct wlr_layer_surface_v1 *layer_surface = l->layer_surface;
if (exclusive != (layer_surface->current.exclusive_zone > 0))
continue;
wlr_scene_layer_surface_v1_configure(l->scene_layer, &full_area, usable_area);
wlr_scene_node_set_position(&l->popups->node, l->scene->node.x, l->scene->node.y);
l->geom.x = l->scene->node.x;
l->geom.y = l->scene->node.y;
}
}
void
arrangelayers(Monitor *m)
{
int i;
struct wlr_box usable_area = m->m;
LayerSurface *l;
uint32_t layers_above_shell[] = {
ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY,
ZWLR_LAYER_SHELL_V1_LAYER_TOP,
};
if (!m->wlr_output->enabled)
return;
if (m->showbar) {
usable_area.height -= m->b.height;
usable_area.y += topbar ? m->b.height : 0;
}
/* Arrange exclusive surfaces from top->bottom */
for (i = 3; i >= 0; i--)
arrangelayer(m, &m->layers[i], &usable_area, 1);
if (!wlr_box_equal(&usable_area, &m->w)) {
m->w = usable_area;
arrange(m);
}
/* Arrange non-exlusive surfaces from top->bottom */
for (i = 3; i >= 0; i--)
arrangelayer(m, &m->layers[i], &usable_area, 0);
/* Find topmost keyboard interactive layer, if such a layer exists */
for (i = 0; i < (int)LENGTH(layers_above_shell); i++) {
wl_list_for_each_reverse(l, &m->layers[layers_above_shell[i]], link) {
if (locked || !l->layer_surface->current.keyboard_interactive || !l->mapped)
continue;
/* Deactivate the focused client. */
focusclient(NULL, 0);
exclusive_focus = l;
client_notify_enter(l->layer_surface->surface, wlr_seat_get_keyboard(seat));
return;
}
}
}
void
axisnotify(struct wl_listener *listener, void *data)
{
/* This event is forwarded by the cursor when a pointer emits an axis event,
* for example when you move the scroll wheel. */
struct wlr_pointer_axis_event *event = data;
wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
/* TODO: allow usage of scroll whell for mousebindings, it can be implemented
* checking the event's orientation and the delta of the event */
/* Notify the client with pointer focus of the axis event. */
wlr_seat_pointer_notify_axis(seat,
event->time_msec, event->orientation, event->delta,
event->delta_discrete, event->source);
}
bool
bar_accepts_input(struct wlr_scene_buffer *buffer, double *sx, double *sy)
{
return true;
}
void
buffer_destroy(struct wlr_buffer *wlr_buffer)
{
Buffer *buf;
buf = wl_container_of(wlr_buffer, buf, base);
free(buf);
}
bool
buffer_begin_data_ptr_access(struct wlr_buffer *wlr_buffer, uint32_t flags,
void **data, uint32_t *format, size_t *stride)
{
Buffer *buf;
buf = wl_container_of(wlr_buffer, buf, base);
if (flags & WLR_BUFFER_DATA_PTR_ACCESS_WRITE) return false;
*data = buf->data;
*stride = buf->stride;
*format = DRM_FORMAT_ARGB8888;
return true;
}
void buffer_end_data_ptr_access(struct wlr_buffer *buffer) {
}
void
buttonpress(struct wl_listener *listener, void *data)
{
unsigned int i = 0, x = 0;
unsigned int click;
struct wlr_pointer_button_event *event = data;
struct wlr_keyboard *keyboard;
struct wlr_scene_node *node;
struct wlr_scene_buffer *buffer;
uint32_t mods;
Arg arg = {0};
Client *c;
const Button *b;
wlr_idle_notifier_v1_notify_activity(idle_notifier, seat);
click = ClkRoot;
xytonode(cursor->x, cursor->y, NULL, &c, NULL, NULL, NULL);
if (c)
click = ClkClient;
if (!c && (node = wlr_scene_node_at(&layers[LyrBottom]->node, cursor->x, cursor->y, NULL, NULL)) &&
(buffer = wlr_scene_buffer_from_node(node)) && buffer == selmon->scene_buffer) {
x = selmon->m.x;
do
x += TEXTW(tags[i]);
while (cursor->x >= x && ++i < LENGTH(tags));
if (i < LENGTH(tags)) {
click = ClkTagBar;
arg.ui = 1 << i;
} else if (cursor->x < x + TEXTW(selmon->ltsymbol))
click = ClkLtSymbol;
else if (cursor->x > selmon->w.width - (int)TEXTW(stext))
click = ClkStatus;
else
click = ClkTitle;
}
switch (event->state) {
case WLR_BUTTON_PRESSED:
cursor_mode = CurPressed;
held_grab = seat->pointer_state.focused_surface;
if (locked)
break;
/* Change focus if the button was _pressed_ over a client */
if (click == ClkClient && (!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 && click == b->click && b->func) {
b->func(click == ClkTagBar && b->arg.i == 0 ? &arg : &b->arg);
return;
}
}
break;
case WLR_BUTTON_RELEASED:
held_grab = NULL;
/* If you released any buttons, we exit interactive move/resize mode. */
/* TODO should reset to the pointer focus's current setcursor */
if (!locked && cursor_mode != CurNormal && cursor_mode != CurPressed) {
wlr_cursor_set_xcursor(cursor, cursor_mgr, "default");
cursor_mode = CurNormal;
/* Drop the window off on its new monitor */
selmon = xytomon(cursor->x, cursor->y);
setmon(grabc, selmon, 0);
return;
} else {
cursor_mode = CurNormal;
}
break;
}
/* If the event wasn't handled by the compositor, notify the client with
* pointer focus that a button press has occurred */
wlr_seat_pointer_notify_button(seat,
event->time_msec, event->button, event->state);
}
void
chvt(const Arg *arg)
{
wlr_session_change_vt(session, arg->ui);
}
void
checkidleinhibitor(struct wlr_surface *exclude)
{
int inhibited = 0, unused_lx, unused_ly;
struct wlr_idle_inhibitor_v1 *inhibitor;
wl_list_for_each(inhibitor, &idle_inhibit_mgr->inhibitors, link) {
struct wlr_surface *surface = wlr_surface_get_root_surface(inhibitor->surface);
struct wlr_scene_tree *tree = surface->data;
if (exclude != surface && (bypass_surface_visibility || (!tree
|| wlr_scene_node_coords(&tree->node, &unused_lx, &unused_ly)))) {
inhibited = 1;
break;
}
}
wlr_idle_notifier_v1_set_inhibited(idle_notifier, inhibited);
}
void
cleanup(void)
{
#ifdef XWAYLAND
wlr_xwayland_destroy(xwayland);
xwayland = NULL;
#endif
wl_display_destroy_clients(dpy);
if (child_pid > 0) {
kill(child_pid, SIGTERM);
waitpid(child_pid, NULL, 0);
}
wlr_xcursor_manager_destroy(cursor_mgr);
wlr_output_layout_destroy(output_layout);
/* Remove event source that use the dpy event loop before destroying dpy */
wl_event_source_remove(kb_group.key_repeat_source);
wl_event_source_remove(vkb_group.key_repeat_source);
wl_display_destroy(dpy);
/* Destroy after the wayland display (when the monitors are already destroyed)
to avoid destroying them with an invalid scene output. */
wlr_scene_node_destroy(&scene->tree.node);
fcft_destroy(font);
fcft_fini();
}
void
cleanupmon(struct wl_listener *listener, void *data)
{
Monitor *m = wl_container_of(listener, m, destroy);
LayerSurface *l, *tmp;
size_t i;
/* m->layers[i] are intentionally not unlinked */
for (i = 0; i < LENGTH(m->layers); i++) {
wl_list_for_each_safe(l, tmp, &m->layers[i], link)
wlr_layer_surface_v1_destroy(l->layer_surface);
}
wl_list_remove(&m->destroy.link);
wl_list_remove(&m->frame.link);
wl_list_remove(&m->link);
wl_list_remove(&m->request_state.link);
m->wlr_output->data = NULL;
wlr_output_layout_remove(output_layout, m->wlr_output);
wlr_scene_output_destroy(m->scene_output);
closemon(m);
wlr_scene_node_destroy(&m->fullscreen_bg->node);
free(m);
}
void
closemon(Monitor *m)
{
/* update selmon if needed and
* move closed monitor's clients to the focused one */
Client *c;
int i = 0, nmons = wl_list_length(&mons);
if (!nmons) {
selmon = NULL;
} else if (m == selmon) {
do /* don't switch to disabled mons */
selmon = wl_container_of(mons.next, selmon, link);
while (!selmon->wlr_output->enabled && i++ < nmons);
}
wl_list_for_each(c, &clients, link) {
if (c->isfloating && c->geom.x > m->m.width)
resize(c, (struct wlr_box){.x = c->geom.x - m->w.width, .y = c->geom.y,
.width = c->geom.width, .height = c->geom.height}, 0);
if (c->mon == m)
setmon(c, selmon, c->tags);
}
focusclient(focustop(selmon), 1);
drawbars();
}
void
commitlayersurfacenotify(struct wl_listener *listener, void *data)
{
LayerSurface *l = wl_container_of(listener, l, surface_commit);
struct wlr_layer_surface_v1 *layer_surface = l->layer_surface;
struct wlr_scene_tree *scene_layer = layers[layermap[layer_surface->current.layer]];
if (layer_surface->current.committed == 0 && l->mapped == layer_surface->surface->mapped)
return;
l->mapped = layer_surface->surface->mapped;
if (scene_layer != l->scene->node.parent) {
wlr_scene_node_reparent(&l->scene->node, scene_layer);
wl_list_remove(&l->link);
wl_list_insert(&l->mon->layers[layer_surface->current.layer], &l->link);
wlr_scene_node_reparent(&l->popups->node, (layer_surface->current.layer
< ZWLR_LAYER_SHELL_V1_LAYER_TOP ? layers[LyrTop] : scene_layer));
}
arrangelayers(l->mon);
}
void
commitnotify(struct wl_listener *listener, void *data)
{
Client *c = wl_container_of(listener, c, commit);
if (client_surface(c)->mapped && c->mon)
resize(c, c->geom, (c->isfloating && !c->isfullscreen));
/* mark a pending resize as completed */
if (c->resize && c->resize <= c->surface.xdg->current.configure_serial)
c->resize = 0;
}
void
createdecoration(struct wl_listener *listener, void *data)
{
struct wlr_xdg_toplevel_decoration_v1 *deco = data;
Client *c = deco->toplevel->base->data;
c->decoration = deco;
LISTEN(&deco->events.request_mode, &c->set_decoration_mode, requestdecorationmode);
LISTEN(&deco->events.destroy, &c->destroy_decoration, destroydecoration);
requestdecorationmode(&c->set_decoration_mode, deco);
}
void
createidleinhibitor(struct wl_listener *listener, void *data)
{
struct wlr_idle_inhibitor_v1 *idle_inhibitor = data;
LISTEN_STATIC(&idle_inhibitor->events.destroy, destroyidleinhibitor);
checkidleinhibitor(NULL);
}
void
createkeyboard(struct wlr_keyboard *keyboard)
{
/* Set the keymap to match the group keymap */
wlr_keyboard_set_keymap(keyboard, kb_group.wlr_group->keyboard.keymap);
wlr_keyboard_set_repeat_info(keyboard, repeat_rate, repeat_delay);
/* Add the new keyboard to the group */
wlr_keyboard_group_add_keyboard(kb_group.wlr_group, keyboard);
}
void
createlayersurface(struct wl_listener *listener, void *data)
{
struct wlr_layer_surface_v1 *layer_surface = data;
LayerSurface *l;
struct wlr_surface *surface = layer_surface->surface;
struct wlr_scene_tree *scene_layer = layers[layermap[layer_surface->pending.layer]];
struct wlr_layer_surface_v1_state old_state;
if (!layer_surface->output
&& !(layer_surface->output = selmon ? selmon->wlr_output : NULL)) {
wlr_layer_surface_v1_destroy(layer_surface);
return;
}
l = layer_surface->data = ecalloc(1, sizeof(*l));
l->type = LayerShell;
LISTEN(&surface->events.commit, &l->surface_commit, commitlayersurfacenotify);
LISTEN(&surface->events.map, &l->map, maplayersurfacenotify);
LISTEN(&surface->events.unmap, &l->unmap, unmaplayersurfacenotify);
LISTEN(&layer_surface->events.destroy, &l->destroy, destroylayersurfacenotify);
l->layer_surface = layer_surface;
l->mon = layer_surface->output->data;
l->scene_layer = wlr_scene_layer_surface_v1_create(scene_layer, layer_surface);
l->scene = l->scene_layer->tree;
l->popups = surface->data = wlr_scene_tree_create(layer_surface->current.layer
< ZWLR_LAYER_SHELL_V1_LAYER_TOP ? layers[LyrTop] : scene_layer);
l->scene->node.data = l->popups->node.data = l;
wl_list_insert(&l->mon->layers[layer_surface->pending.layer],&l->link);
wlr_surface_send_enter(surface, layer_surface->output);
/* Temporarily set the layer's current state to pending
* so that we can easily arrange it
*/
old_state = layer_surface->current;
layer_surface->current = layer_surface->pending;
l->mapped = 1;
arrangelayers(l->mon);
layer_surface->current = old_state;
}
void
createlocksurface(struct wl_listener *listener, void *data)
{
SessionLock *lock = wl_container_of(listener, lock, new_surface);
struct wlr_session_lock_surface_v1 *lock_surface = data;
Monitor *m = lock_surface->output->data;
struct wlr_scene_tree *scene_tree = lock_surface->surface->data
= wlr_scene_subsurface_tree_create(lock->scene, lock_surface->surface);
m->lock_surface = lock_surface;
wlr_scene_node_set_position(&scene_tree->node, m->m.x, m->m.y);
wlr_session_lock_surface_v1_configure(lock_surface, m->m.width, m->m.height);
LISTEN(&lock_surface->events.destroy, &m->destroy_lock_surface, destroylocksurface);
if (m == selmon)
client_notify_enter(lock_surface->surface, wlr_seat_get_keyboard(seat));
}
void
createmon(struct wl_listener *listener, void *data)
{
/* This event is raised by the backend when a new output (aka a display or
* monitor) becomes available. */
struct wlr_output *wlr_output = data;
const MonitorRule *r;
size_t i;
struct wlr_output_state state;
Monitor *m;
if (!wlr_output_init_render(wlr_output, alloc, drw))
return;
m = wlr_output->data = ecalloc(1, sizeof(*m));
m->wlr_output = wlr_output;
for (i = 0; i < LENGTH(m->layers); i++)
wl_list_init(&m->layers[i]);
wlr_output_state_init(&state);
/* Initialize monitor state using configured rules */
m->tagset[0] = m->tagset[1] = 1;
for (r = monrules; r < END(monrules); r++) {
if (!r->name || strstr(wlr_output->name, r->name)) {
m->m.x = r->x;
m->m.y = r->y;
m->mfact = r->mfact;
m->nmaster = r->nmaster;
m->lt[0] = r->lt;
m->lt[1] = &layouts[LENGTH(layouts) > 1 && r->lt != &layouts[1]];
strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, LENGTH(m->ltsymbol));
wlr_output_state_set_scale(&state, r->scale);
wlr_output_state_set_transform(&state, r->rr);
break;
}