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From 17585c99f57856d39fd0d4c489d8bafd103d53f4 Mon Sep 17 00:00:00 2001
From: Dmitry Zakharchenko <dmitz@disroot.org>
Date: Sun, 28 Aug 2022 11:38:08 +0300
Subject: [PATCH] update swallow patch
---
config.def.h | 6 ++--
dwl.c | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++--
2 files changed, 97 insertions(+), 6 deletions(-)
diff --git a/config.def.h b/config.def.h
index 29c6dbf8..4aa6903b 100644
--- a/config.def.h
+++ b/config.def.h
@@ -12,11 +12,11 @@ static const float fullscreen_bg[] = {0.1, 0.1, 0.1, 1.0};
static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
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 },
};
/* layout(s) */
diff --git a/dwl.c b/dwl.c
index 66aea65c..e897a9ff 100644
--- a/dwl.c
+++ b/dwl.c
@@ -90,7 +90,8 @@ 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 */
@@ -119,9 +120,11 @@ typedef struct {
#endif
unsigned int bw;
unsigned int 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 singular_anchor;
@@ -200,6 +203,8 @@ typedef struct {
const char *title;
unsigned int tags;
int isfloating;
+ int isterm;
+ int noswallow;
int monitor;
} Rule;
@@ -295,6 +300,10 @@ static Monitor *xytomon(double x, double y);
static struct wlr_scene_node *xytonode(double x, double y, struct wlr_surface **psurface,
Client **pc, LayerSurface **pl, double *nx, double *ny);
static void zoom(const Arg *arg);
+static pid_t getparentprocess(pid_t p);
+static int isdescprocess(pid_t p, pid_t c);
+static Client *termforwin(Client *w);
+static void swallow(Client *c, Client *w);
/* variables */
static const char broken[] = "broken";
@@ -479,6 +488,8 @@ applyrules(Client *c)
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)
@@ -975,6 +986,8 @@ createnotify(struct wl_listener *listener, void *data)
c->surface.xdg = xdg_surface;
c->bw = borderpx;
+ wl_client_get_credentials(c->surface.xdg->client->client, &c->pid, NULL, NULL);
+
LISTEN(&xdg_surface->events.map, &c->map, mapnotify);
LISTEN(&xdg_surface->events.unmap, &c->unmap, unmapnotify);
LISTEN(&xdg_surface->events.destroy, &c->destroy, destroynotify);
@@ -1239,6 +1252,61 @@ fullscreennotify(struct wl_listener *listener, void *data)
setfullscreen(c, fullscreen);
}
+pid_t
+getparentprocess(pid_t p)
+{
+ unsigned int v = 0;
+
+ FILE *f;
+ char buf[256];
+ snprintf(buf, sizeof(buf) - 1, "/proc/%u/stat", (unsigned)p);
+
+ if (!(f = fopen(buf, "r")))
+ return 0;
+
+ fscanf(f, "%*u %*s %*c %u", &v);
+ fclose(f);
+
+ return (pid_t)v;
+}
+
+int
+isdescprocess(pid_t p, pid_t c)
+{
+ while (p != c && c != 0)
+ c = getparentprocess(c);
+
+ return (int)c;
+}
+
+Client *
+termforwin(Client *w)
+{
+ Client *c;
+
+ if (!w->pid || w->isterm || w->noswallow)
+ return NULL;
+
+ wl_list_for_each(c, &clients, link)
+ if (c->isterm && !c->swallowing && c->pid && isdescprocess(c->pid, w->pid))
+ return c;
+
+ return NULL;
+}
+
+void
+swallow(Client *c, Client *w) {
+ c->bw = w->bw;
+ c->isfloating = w->isfloating;
+ c->isurgent = w->isurgent;
+ c->isfullscreen = w->isfullscreen;
+ resize(c, w->geom, 0);
+ wl_list_insert(&w->link, &c->link);
+ wl_list_insert(&w->flink, &c->flink);
+ wlr_scene_node_set_enabled(w->scene, 0);
+ wlr_scene_node_set_enabled(c->scene, 1);
+}
+
void
incnmaster(const Arg *arg)
{
@@ -1430,6 +1498,19 @@ mapnotify(struct wl_listener *listener, void *data)
setfullscreen(c, 1);
c->mon->un_map = 1;
+ if (!c->noswallow) {
+ 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);
+ }
+ arrange(c->mon);
+ }
}
void
@@ -2322,6 +2403,16 @@ unmapnotify(struct wl_listener *listener, void *data)
cursor_mode = CurNormal;
grabc = NULL;
}
+ if (c->swallowing) {
+ c->swallowing->swallowedby = NULL;
+ c->swallowing = NULL;
+ }
+
+ if (c->swallowedby) {
+ swallow(c->swallowedby, c);
+ c->swallowedby->swallowing = NULL;
+ c->swallowedby = NULL;
+ }
if (c->mon)
c->mon->un_map = 1;
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