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dwl-patches/swallow/swallow.patch
choc 8a352a1b27 add swallow patch
2024-01-01 09:13:47 +08:00

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From 7c4b174821ab994c0f1a97cba5918f905004f72c Mon Sep 17 00:00:00 2001
From: choc <notchoc@proton.me>
Date: Fri, 15 Sep 2023 10:36:21 +0800
Subject: [PATCH] swallow patch with x support
fixed to work after commit 985417b
---
client.h | 12 ++++++
config.def.h | 7 ++--
config.mk | 4 +-
dwl.c | 112 ++++++++++++++++++++++++++++++++++++++++++++++++---
4 files changed, 125 insertions(+), 10 deletions(-)
diff --git a/client.h b/client.h
index 1dae434..51bef68 100644
--- a/client.h
+++ b/client.h
@@ -131,6 +131,18 @@ client_get_appid(Client *c)
return c->surface.xdg->toplevel->app_id;
}
+static inline int
+client_get_pid(Client *c)
+{
+ pid_t pid;
+#ifdef XWAYLAND
+ if (client_is_x11(c))
+ return c->surface.xwayland->pid;
+#endif
+ wl_client_get_credentials(c->surface.xdg->client->client, &pid, NULL, NULL);
+ return pid;
+}
+
static inline void
client_get_clip(Client *c, struct wlr_box *clip)
{
diff --git a/config.def.h b/config.def.h
index a8ed61d..ca2b925 100644
--- a/config.def.h
+++ b/config.def.h
@@ -21,11 +21,12 @@ static const float fullscreen_bg[] = {0.1, 0.1, 0.1, 1.0}; /* You can al
static int log_level = WLR_ERROR;
static const Rule rules[] = {
- /* app_id title tags mask isfloating monitor */
+ /* app_id title tags mask isfloating isterm noswallow monitor */
/* examples:
- { "Gimp", NULL, 0, 1, -1 },
+ { "Gimp", NULL, 0, 1, 0, 1, -1 },
*/
- { "firefox", NULL, 1 << 8, 0, -1 },
+ { "firefox", NULL, 1 << 8, 0, 0, 1, -1 },
+ { "foot", NULL, 0, 0, 1, 1, -1 },
};
/* layout(s) */
diff --git a/config.mk b/config.mk
index 906f403..f7fa488 100644
--- a/config.mk
+++ b/config.mk
@@ -11,5 +11,5 @@ DATADIR = $(PREFIX)/share
XWAYLAND =
XLIBS =
# Uncomment to build XWayland support
-#XWAYLAND = -DXWAYLAND
-#XLIBS = xcb xcb-icccm
+XWAYLAND = -DXWAYLAND
+XLIBS = xcb xcb-icccm
diff --git a/dwl.c b/dwl.c
index 10d5a5b..510ccf7 100644
--- a/dwl.c
+++ b/dwl.c
@@ -97,7 +97,8 @@ typedef struct {
} Button;
typedef struct Monitor Monitor;
-typedef struct {
+typedef struct Client Client;
+struct Client {
/* Must keep these three elements in this order */
unsigned int type; /* XDGShell or X11* */
struct wlr_box geom; /* layout-relative, includes border */
@@ -132,9 +133,11 @@ typedef struct {
#endif
unsigned int bw;
uint32_t tags;
- int isfloating, isurgent, isfullscreen;
+ int isfloating, isurgent, isfullscreen, isterm, noswallow;
uint32_t resize; /* configure serial of a pending resize */
-} Client;
+ pid_t pid;
+ Client *swallowing, *swallowedby;
+};
typedef struct {
uint32_t mod;
@@ -217,6 +220,8 @@ typedef struct {
const char *title;
uint32_t tags;
int isfloating;
+ int isterm;
+ int noswallow;
int monitor;
} Rule;
@@ -331,6 +336,10 @@ 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);
+static pid_t getparentprocess(pid_t p);
+static int isdescprocess(pid_t p, pid_t c);
+static Client *termforwin(Client *w);
+static void swallow(Client *c, Client *w);
/* variables */
static const char broken[] = "broken";
@@ -436,10 +445,14 @@ applyrules(Client *c)
if (!(title = client_get_title(c)))
title = broken;
+ c->pid = client_get_pid(c);
+
for (r = rules; r < END(rules); r++) {
if ((!r->title || strstr(title, r->title))
&& (!r->id || strstr(appid, r->id))) {
c->isfloating = r->isfloating;
+ c->isterm = r->isterm;
+ c->noswallow = r->noswallow;
newtags |= r->tags;
i = 0;
wl_list_for_each(m, &mons, link) {
@@ -449,6 +462,20 @@ applyrules(Client *c)
}
}
wlr_scene_node_reparent(&c->scene->node, layers[c->isfloating ? LyrFloat : LyrTile]);
+ if (!c->noswallow && !client_is_float_type(c)) {
+ Client *p = termforwin(c);
+ if (p) {
+ c->swallowedby = p;
+ p->swallowing = c;
+ wl_list_remove(&c->link);
+ wl_list_remove(&c->flink);
+ swallow(c,p);
+ wl_list_remove(&p->link);
+ wl_list_remove(&p->flink);
+ mon = p->mon;
+ newtags = p->tags;
+ }
+ }
setmon(c, mon, newtags);
}
@@ -1311,6 +1338,63 @@ handlesig(int signo)
}
}
+pid_t
+getparentprocess(pid_t p)
+{
+ unsigned int v = 0;
+
+ FILE *f;
+ char buf[256];
+ snprintf(buf, sizeof(buf) - 1, "/proc/%u/stat", (unsigned)p);
+
+ if (!(f = fopen(buf, "r")))
+ return 0;
+
+ fscanf(f, "%*u %*s %*c %u", &v);
+ fclose(f);
+
+ return (pid_t)v;
+}
+
+int
+isdescprocess(pid_t p, pid_t c)
+{
+ while (p != c && c != 0)
+ c = getparentprocess(c);
+
+ return (int)c;
+}
+
+Client *
+termforwin(Client *w)
+{
+ Client *c;
+
+ if (!w->pid || w->isterm || w->noswallow)
+ return NULL;
+
+ wl_list_for_each(c, &fstack, flink)
+ if (c->isterm && !c->swallowing && c->pid && isdescprocess(c->pid, w->pid))
+ return c;
+
+ return NULL;
+}
+
+void
+swallow(Client *c, Client *w)
+{
+ c->bw = w->bw;
+ c->isfloating = w->isfloating;
+ c->isurgent = w->isurgent;
+ c->isfullscreen = w->isfullscreen;
+ c->tags = w->tags;
+ c->geom = w->geom;
+ wl_list_insert(&w->link, &c->link);
+ wl_list_insert(&w->flink, &c->flink);
+ wlr_scene_node_set_enabled(&w->scene->node, 0);
+ wlr_scene_node_set_enabled(&c->scene->node, 1);
+}
+
void
incnmaster(const Arg *arg)
{
@@ -2559,15 +2643,33 @@ unmapnotify(struct wl_listener *listener, void *data)
grabc = NULL;
}
+ if (c->swallowedby) {
+ swallow(c->swallowedby, c);
+ }
+
if (client_is_unmanaged(c)) {
if (c == exclusive_focus) {
exclusive_focus = NULL;
focusclient(focustop(selmon), 1);
}
} else {
- wl_list_remove(&c->link);
+ if (!c->swallowing)
+ wl_list_remove(&c->link);
setmon(c, NULL, 0);
- wl_list_remove(&c->flink);
+ if (!c->swallowing)
+ wl_list_remove(&c->flink);
+ }
+
+ if (c->swallowedby) {
+ c->swallowedby->prev = c->geom;
+ setfullscreen(c->swallowedby, c->isfullscreen);
+ c->swallowedby->swallowing = NULL;
+ c->swallowedby = NULL;
+ }
+
+ if (c->swallowing) {
+ c->swallowing->swallowedby = NULL;
+ c->swallowing = NULL;
}
wlr_scene_node_destroy(&c->scene->node);
--
2.43.0
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