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Merge branch 'main' into scenegraph

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Leonardo Hernández Hernández 2022-03-16 21:49:47 -06:00
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2
README.md
View file

@ -2,7 +2,7 @@
Join us on our [Discord server](https://discord.gg/jJxZnrGPWN)!
dwl is a compact, hackable compositor for Wayland based on [wlroots](https://github.com/swaywm/wlroots). It is intended to fill the same space in the Wayland world that dwm does in X11, primarily in terms of philosophy, and secondarily in terms of functionality. Like dwm, dwl is:
dwl is a compact, hackable compositor for Wayland based on [wlroots](https://gitlab.freedesktop.org/wlroots/wlroots/). It is intended to fill the same space in the Wayland world that dwm does in X11, primarily in terms of philosophy, and secondarily in terms of functionality. Like dwm, dwl is:
- Easy to understand, hack on, and extend with patches
- One C source file (or a very small number) configurable via `config.h`

13
client.h
View file

@ -103,6 +103,16 @@ client_is_float_type(Client *c)
return 0;
}
static inline int
client_wants_fullscreen(Client *c)
{
#ifdef XWAYLAND
if (client_is_x11(c))
return c->surface.xwayland->fullscreen;
#endif
return c->surface.xdg->toplevel->requested.fullscreen;
}
static inline int
client_is_unmanaged(Client *c)
{
@ -156,8 +166,7 @@ client_set_tiled(Client *c, uint32_t edges)
if (client_is_x11(c))
return;
#endif
wlr_xdg_toplevel_set_tiled(c->surface.xdg, WLR_EDGE_TOP |
WLR_EDGE_BOTTOM | WLR_EDGE_LEFT | WLR_EDGE_RIGHT);
wlr_xdg_toplevel_set_tiled(c->surface.xdg, edges);
}
static inline struct wlr_surface *

2
config.def.h
View file

@ -96,7 +96,7 @@ static const Key keys[] = {
TAGKEYS( XKB_KEY_3, XKB_KEY_numbersign, 2),
TAGKEYS( XKB_KEY_4, XKB_KEY_dollar, 3),
TAGKEYS( XKB_KEY_5, XKB_KEY_percent, 4),
TAGKEYS( XKB_KEY_6, XKB_KEY_caret, 5),
TAGKEYS( XKB_KEY_6, XKB_KEY_asciicircum, 5),
TAGKEYS( XKB_KEY_7, XKB_KEY_ampersand, 6),
TAGKEYS( XKB_KEY_8, XKB_KEY_asterisk, 7),
TAGKEYS( XKB_KEY_9, XKB_KEY_parenleft, 8),

2
config.mk
View file

@ -2,7 +2,7 @@
PREFIX = /usr/local
# Default compile flags (overridable by environment)
CFLAGS ?= -g -Wall -Wextra -Werror -Wno-unused-parameter -Wno-sign-compare -Wno-unused-function -Wno-unused-variable -Wdeclaration-after-statement
CFLAGS ?= -g -Wall -Wextra -Werror -Wno-unused-parameter -Wno-sign-compare -Wno-unused-function -Wno-unused-variable -Wno-unused-result -Wdeclaration-after-statement
# Uncomment to build XWayland support
#CFLAGS += -DXWAYLAND

173
dwl.c
View file

@ -58,7 +58,7 @@
#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) ((C)->mon == (M) && ((C)->tags & (M)->tagset[(M)->seltags]))
#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)
@ -106,7 +106,7 @@ typedef struct {
struct wl_listener destroy;
struct wl_listener set_title;
struct wl_listener fullscreen;
struct wlr_box geom; /* layout-relative, includes border */
struct wlr_box geom, prev; /* layout-relative, includes border */
Monitor *mon;
#ifdef XWAYLAND
struct wl_listener activate;
@ -116,18 +116,9 @@ typedef struct {
unsigned int tags;
int isfloating, isurgent;
uint32_t resize; /* configure serial of a pending resize */
int prevx;
int prevy;
int prevwidth;
int prevheight;
int isfullscreen;
} Client;
typedef struct {
struct wl_listener request_mode;
struct wl_listener destroy;
} Decoration;
typedef struct {
uint32_t mod;
xkb_keysym_t keysym;
@ -180,7 +171,7 @@ struct Monitor {
struct wl_listener destroy;
struct wlr_box m; /* monitor area, layout-relative */
struct wlr_box w; /* window area, layout-relative */
struct wl_list layers[4]; // LayerSurface::link
struct wl_list layers[4]; /* LayerSurface::link */
const Layout *lt[2];
unsigned int seltags;
unsigned int sellt;
@ -396,7 +387,7 @@ applyexclusive(struct wlr_box *usable_area,
int32_t margin_top, int32_t margin_right,
int32_t margin_bottom, int32_t margin_left) {
Edge edges[] = {
{ // Top
{ /* Top */
.singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP,
.anchor_triplet = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
@ -405,7 +396,7 @@ applyexclusive(struct wlr_box *usable_area,
.negative_axis = &usable_area->height,
.margin = margin_top,
},
{ // Bottom
{ /* Bottom */
.singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM,
.anchor_triplet = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
@ -414,7 +405,7 @@ applyexclusive(struct wlr_box *usable_area,
.negative_axis = &usable_area->height,
.margin = margin_bottom,
},
{ // Left
{ /* Left */
.singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT,
.anchor_triplet = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
@ -423,7 +414,7 @@ applyexclusive(struct wlr_box *usable_area,
.negative_axis = &usable_area->width,
.margin = margin_left,
},
{ // Right
{ /* Right */
.singular_anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT,
.anchor_triplet = ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
@ -511,7 +502,7 @@ arrangelayer(Monitor *m, struct wl_list *list, struct wlr_box *usable_area, int
bounds = state->exclusive_zone == -1 ? full_area : *usable_area;
// Horizontal axis
/* Horizontal axis */
if ((state->anchor & both_horiz) && box.width == 0) {
box.x = bounds.x;
box.width = bounds.width;
@ -522,7 +513,7 @@ arrangelayer(Monitor *m, struct wl_list *list, struct wlr_box *usable_area, int
} else {
box.x = bounds.x + ((bounds.width / 2) - (box.width / 2));
}
// Vertical axis
/* Vertical axis */
if ((state->anchor & both_vert) && box.height == 0) {
box.y = bounds.y;
box.height = bounds.height;
@ -533,7 +524,7 @@ arrangelayer(Monitor *m, struct wl_list *list, struct wlr_box *usable_area, int
} else {
box.y = bounds.y + ((bounds.height / 2) - (box.height / 2));
}
// Margin
/* Margin */
if ((state->anchor & both_horiz) == both_horiz) {
box.x += state->margin.left;
box.width -= state->margin.left + state->margin.right;
@ -568,6 +559,7 @@ arrangelayer(Monitor *m, struct wl_list *list, struct wlr_box *usable_area, int
void
arrangelayers(Monitor *m)
{
int i;
struct wlr_box usable_area = m->m;
uint32_t layers_above_shell[] = {
ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY,
@ -576,38 +568,26 @@ arrangelayers(Monitor *m)
LayerSurface *layersurface;
struct wlr_keyboard *kb = wlr_seat_get_keyboard(seat);
// Arrange exclusive surfaces from top->bottom
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
&usable_area, 1);
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
&usable_area, 1);
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
&usable_area, 1);
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
&usable_area, 1);
/* 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
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
&usable_area, 0);
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
&usable_area, 0);
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
&usable_area, 0);
arrangelayer(m, &m->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
&usable_area, 0);
/* 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
/* Find topmost keyboard interactive layer, if such a layer exists */
for (size_t i = 0; i < LENGTH(layers_above_shell); i++) {
wl_list_for_each_reverse(layersurface,
&m->layers[layers_above_shell[i]], link) {
if (layersurface->layer_surface->current.keyboard_interactive &&
layersurface->layer_surface->mapped) {
// Deactivate the focused client.
/* Deactivate the focused client. */
focusclient(NULL, 0);
wlr_seat_keyboard_notify_enter(seat, layersurface->layer_surface->surface,
kb->keycodes, kb->num_keycodes, &kb->modifiers);
@ -642,7 +622,7 @@ buttonpress(struct wl_listener *listener, void *data)
wlr_idle_notify_activity(idle, seat);
switch (event->state) {
case WLR_BUTTON_PRESSED:;
case WLR_BUTTON_PRESSED:
/* Change focus if the button was _pressed_ over a client */
xytonode(cursor->x, cursor->y, NULL, &c, NULL, NULL, NULL);
/* Don't focus unmanaged clients */
@ -663,8 +643,7 @@ buttonpress(struct wl_listener *listener, void *data)
/* If you released any buttons, we exit interactive move/resize mode. */
/* TODO should reset to the pointer focus's current setcursor */
if (cursor_mode != CurNormal) {
wlr_xcursor_manager_set_cursor_image(cursor_mgr,
"left_ptr", cursor);
wlr_xcursor_manager_set_cursor_image(cursor_mgr, "left_ptr", cursor);
cursor_mode = CurNormal;
/* Drop the window off on its new monitor */
selmon = xytomon(cursor->x, cursor->y);
@ -726,10 +705,11 @@ cleanupmon(struct wl_listener *listener, void *data)
wl_list_remove(&m->link);
wlr_output_layout_remove(output_layout, m->wlr_output);
nmons = wl_list_length(&mons);
do // don't switch to disabled mons
if ((nmons = wl_list_length(&mons)))
do /* don't switch to disabled mons */
selmon = wl_container_of(mons.prev, selmon, link);
while (!selmon->wlr_output->enabled && i++ < nmons);
focusclient(focustop(selmon), 1);
closemon(m);
free(m);
@ -738,7 +718,7 @@ cleanupmon(struct wl_listener *listener, void *data)
void
closemon(Monitor *m)
{
// move closed monitor's clients to the focused one
/* move closed monitor's clients to the focused one */
Client *c;
wl_list_for_each(c, &clients, link) {
@ -789,6 +769,8 @@ createkeyboard(struct wlr_input_device *device)
struct xkb_context *context;
struct xkb_keymap *keymap;
Keyboard *kb = device->data = calloc(1, sizeof(*kb));
if (!kb)
EBARF("createkeyboard: calloc");
kb->device = device;
/* Prepare an XKB keymap and assign it to the keyboard. */
@ -820,6 +802,8 @@ createmon(struct wl_listener *listener, void *data)
struct wlr_output *wlr_output = data;
const MonitorRule *r;
Monitor *m = wlr_output->data = calloc(1, sizeof(*m));
if (!m)
EBARF("createmon: calloc");
m->wlr_output = wlr_output;
wlr_output_init_render(wlr_output, alloc, drw);
@ -866,6 +850,16 @@ createmon(struct wl_listener *listener, void *data)
*/
m->scene_output = wlr_scene_output_create(scene, wlr_output);
wlr_output_layout_add_auto(output_layout, wlr_output);
/* If length == 1 we need update selmon.
* Maybe it will change in run(). */
if (wl_list_length(&mons) == 1) {
Client *c;
selmon = m;
/* If there is any client, set c->mon to this monitor */
wl_list_for_each(c, &clients, link)
setmon(c, m, c->tags);
}
}
void
@ -888,6 +882,8 @@ createnotify(struct wl_listener *listener, void *data)
/* Allocate a Client for this surface */
c = xdg_surface->data = calloc(1, sizeof(*c));
if (!c)
EBARF("createnotify: calloc");
c->surface.xdg = xdg_surface;
c->bw = borderpx;
@ -914,6 +910,8 @@ createlayersurface(struct wl_listener *listener, void *data)
}
layersurface = calloc(1, sizeof(LayerSurface));
if (!layersurface)
EBARF("layersurface: calloc");
layersurface->type = LayerShell;
LISTEN(&wlr_layer_surface->surface->events.commit,
&layersurface->surface_commit, commitlayersurfacenotify);
@ -936,8 +934,9 @@ createlayersurface(struct wl_listener *listener, void *data)
wl_list_insert(&m->layers[wlr_layer_surface->pending.layer],
&layersurface->link);
// Temporarily set the layer's current state to pending
// so that we can easily arrange it
/* 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;
arrangelayers(m);
@ -1008,9 +1007,10 @@ destroynotify(struct wl_listener *listener, void *data)
wl_list_remove(&c->set_title.link);
wl_list_remove(&c->fullscreen.link);
#ifdef XWAYLAND
if (c->type == X11Managed)
if (c->type != XDGShell) {
wl_list_remove(&c->configure.link);
wl_list_remove(&c->activate.link);
else if (c->type == XDGShell)
} else
#endif
wl_list_remove(&c->commit.link);
free(c);
@ -1032,24 +1032,29 @@ setfullscreen(Client *c, int fullscreen)
client_set_fullscreen(c, fullscreen);
if (fullscreen) {
c->prevx = c->geom.x;
c->prevy = c->geom.y;
c->prevheight = c->geom.height;
c->prevwidth = c->geom.width;
c->prev = c->geom;
resize(c, c->mon->m.x, c->mon->m.y, c->mon->m.width, c->mon->m.height, 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->prevx, c->prevy, c->prevwidth, c->prevheight, 0);
arrange(c->mon);
resize(c, c->prev.x, c->prev.y, c->prev.width, c->prev.height, 0);
}
arrange(c->mon);
printstatus();
}
void
fullscreennotify(struct wl_listener *listener, void *data)
{
Client *c = wl_container_of(listener, c, fullscreen);
setfullscreen(c, !c->isfullscreen);
int fullscreen = client_wants_fullscreen(c);
if (!c->mon) {
/* if the client is not mapped yet, let mapnotify() call setfullscreen() */
c->isfullscreen = fullscreen;
return;
}
setfullscreen(c, fullscreen);
}
Monitor *
@ -1297,8 +1302,7 @@ void
killclient(const Arg *arg)
{
Client *sel = selclient();
if (!sel)
return;
if (sel)
client_send_close(sel);
}
@ -1306,7 +1310,8 @@ void
maplayersurfacenotify(struct wl_listener *listener, void *data)
{
LayerSurface *layersurface = wl_container_of(listener, layersurface, map);
wlr_surface_send_enter(layersurface->layer_surface->surface, layersurface->layer_surface->output);
wlr_surface_send_enter(layersurface->layer_surface->surface,
layersurface->layer_surface->output);
motionnotify(0);
}
@ -1354,6 +1359,10 @@ mapnotify(struct wl_listener *listener, void *data)
/* Set initial monitor, tags, floating status, and focus */
applyrules(c);
resize(c, c->geom.x, c->geom.y, c->geom.width, c->geom.height, 0);
printstatus();
if (c->isfullscreen)
setfullscreen(c, 1);
}
void
@ -1389,7 +1398,7 @@ motionnotify(uint32_t time)
Client *c = NULL;
struct wlr_surface *surface = NULL;
// time is 0 in internal calls meant to restore pointer focus.
/* time is 0 in internal calls meant to restore pointer focus. */
if (time) {
wlr_idle_notify_activity(idle, seat);
@ -1418,8 +1427,7 @@ motionnotify(uint32_t time)
* default. This is what makes the cursor image appear when you move it
* off of a client or over its border. */
if (!surface && time)
wlr_xcursor_manager_set_cursor_image(cursor_mgr,
"left_ptr", cursor);
wlr_xcursor_manager_set_cursor_image(cursor_mgr, "left_ptr", cursor);
pointerfocus(c, surface, sx, sy, time);
}
@ -1435,8 +1443,7 @@ motionrelative(struct wl_listener *listener, void *data)
* 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->device,
event->delta_x, event->delta_y);
wlr_cursor_move(cursor, event->device, event->delta_x, event->delta_y);
motionnotify(event->time_msec);
}
@ -1586,10 +1593,14 @@ printstatus(void)
urg |= c->tags;
}
if ((c = focustop(m))) {
printf("%s title %s\n", m->wlr_output->name, client_get_title(focustop(m)));
printf("%s title %s\n", m->wlr_output->name, client_get_title(c));
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 fullscreen \n", m->wlr_output->name);
printf("%s floating \n", m->wlr_output->name);
sel = 0;
}
@ -1681,11 +1692,13 @@ run(char *startup_cmd)
EBARF("startup: fork");
if (startup_pid == 0) {
dup2(piperw[0], STDIN_FILENO);
close(piperw[0]);
close(piperw[1]);
execl("/bin/sh", "/bin/sh", "-c", startup_cmd, NULL);
EBARF("startup: execl");
}
dup2(piperw[1], STDOUT_FILENO);
close(piperw[1]);
close(piperw[0]);
}
/* If nobody is reading the status output, don't terminate */
@ -1754,6 +1767,7 @@ setfloating(Client *c, int floating)
c->isfloating = floating;
wlr_scene_node_reparent(c->scene, layers[c->isfloating ? LyrFloat : LyrTile]);
arrange(c->mon);
printstatus();
}
void
@ -1967,12 +1981,9 @@ setup(void)
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_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);
output_mgr = wlr_output_manager_v1_create(dpy);
wl_signal_add(&output_mgr->events.apply, &output_mgr_apply);
@ -2050,7 +2061,7 @@ tile(Monitor *m)
Client *c;
wl_list_for_each(c, &clients, link)
if (VISIBLEON(c, m) && !c->isfloating)
if (VISIBLEON(c, m) && !c->isfloating && !c->isfullscreen)
n++;
if (n == 0)
return;
@ -2080,10 +2091,9 @@ void
togglefloating(const Arg *arg)
{
Client *sel = selclient();
if (!sel)
return;
/* return if fullscreen */
setfloating(sel, !sel->isfloating /* || sel->isfixed */);
if (sel && !sel->isfullscreen)
setfloating(sel, !sel->isfloating);
}
void
@ -2137,6 +2147,10 @@ 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;
}
wl_list_remove(&c->link);
if (client_is_unmanaged(c))
return;
@ -2144,6 +2158,7 @@ unmapnotify(struct wl_listener *listener, void *data)
setmon(c, NULL, 0);
wl_list_remove(&c->flink);
wlr_scene_node_destroy(c->scene);
printstatus();
}
void
@ -2325,6 +2340,8 @@ createnotifyx11(struct wl_listener *listener, void *data)
/* Allocate a Client for this surface */
c = xwayland_surface->data = calloc(1, sizeof(*c));
if (!c)
EBARF("createnotifyx11: calloc");
c->surface.xwayland = xwayland_surface;
c->type = xwayland_surface->override_redirect ? X11Unmanaged : X11Managed;
c->bw = borderpx;
@ -2333,8 +2350,7 @@ createnotifyx11(struct wl_listener *listener, void *data)
/* Listen to the various events it can emit */
LISTEN(&xwayland_surface->events.map, &c->map, mapnotify);
LISTEN(&xwayland_surface->events.unmap, &c->unmap, unmapnotify);
LISTEN(&xwayland_surface->events.request_activate, &c->activate,
activatex11);
LISTEN(&xwayland_surface->events.request_activate, &c->activate, activatex11);
LISTEN(&xwayland_surface->events.request_configure, &c->configure,
configurex11);
LISTEN(&xwayland_surface->events.set_title, &c->set_title, updatetitle);
@ -2403,8 +2419,7 @@ main(int argc, char *argv[])
if (optind < argc)
goto usage;
// Wayland requires XDG_RUNTIME_DIR for creating its communications
// socket
/* Wayland requires XDG_RUNTIME_DIR for creating its communications socket */
if (!getenv("XDG_RUNTIME_DIR"))
BARF("XDG_RUNTIME_DIR must be set");
setup();