Patch: Smart borders

Source:
https://github.com/djpohly/dwl/compare/main...sevz17:smartborders.patch

2 files changed, 35 insertions, 16 deletions

diff --git a/config.def.h b/config.def.h
index f8f8f1a..ee03616 100644
--- a/config.def.h
+++ b/config.def.h
@@ -7,6 +7,7 @@
 static const int sloppyfocus               = 1;  /* focus follows mouse */
 static const int mousefollowsfocus         = 1;  /* mouse follows focus */
 static const int bypass_surface_visibility = 0;  /* 1 means idle inhibitors will disable idle tracking even if it's surface isn't visible  */
+static const int smartborders              = 1;
 static const unsigned int borderpx         = 1;  /* border pixel of windows */
 static const float rootcolor[]             = COLOR(0x222222ff);
 static const float bordercolor[]           = COLOR(0x444444ff);
diff --git a/dwl.c b/dwl.c
index 95850d6..eecdff1 100644
--- a/dwl.c
+++ b/dwl.c
@@ -322,7 +322,7 @@ 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 resize(Client *c, struct wlr_box geo, int interact, int draw_borders);
 static void run(char *startup_cmd, uid_t uid);
 static void setcursor(struct wl_listener *listener, void *data);
 static void setcursorshape(struct wl_listener *listener, void *data);
@@ -744,7 +744,7 @@ closemon(Monitor *m)
 	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);
+				.width = c->geom.width, .height = c->geom.height}, 0, 1);
 		if (c->mon == m)
 			setmon(c, selmon, c->tags);
 	}
@@ -791,6 +791,12 @@ 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, 1) : arrange(c->mon);
 
 	if (c->surface.xdg->initial_commit) {
 		/*
@@ -813,7 +819,7 @@ commitnotify(struct wl_listener *listener, void *data)
 		return;
 	}
 
-	resize(c, c->geom, (c->isfloating && !c->isfullscreen));
+	resize(c, c->geom, (c->isfloating && !c->isfullscreen), 1);
 
 	/* mark a pending resize as completed */
 	if (c->resize && c->resize <= c->surface.xdg->current.configure_serial)
@@ -1782,8 +1788,7 @@ monocle(Monitor *m)
 	wl_list_for_each(c, &clients, link) {
 		if (!VISIBLEON(c, m) || c->isfloating || c->isfullscreen)
 			continue;
-		resize(c, m->w, 0);
-		n++;
+		resize(c, m->w, 0, !smartborders);
 	}
 	if (n)
 		snprintf(m->ltsymbol, LENGTH(m->ltsymbol), "[%d]", n);
@@ -1874,11 +1879,11 @@ motionnotify(uint32_t time, struct wlr_input_device *device, double dx, double d
 	if (cursor_mode == CurMove) {
 		/* Move the grabbed client to the new position. */
 		resize(grabc, (struct wlr_box){.x = (int)round(cursor->x) - grabcx, .y = (int)round(cursor->y) - grabcy,
-			.width = grabc->geom.width, .height = grabc->geom.height}, 1);
+			.width = grabc->geom.width, .height = grabc->geom.height}, 1, 1);
 		return;
 	} else if (cursor_mode == CurResize) {
 		resize(grabc, (struct wlr_box){.x = grabc->geom.x, .y = grabc->geom.y,
-			.width = (int)round(cursor->x) - grabc->geom.x, .height = (int)round(cursor->y) - grabc->geom.y}, 1);
+			.width = (int)round(cursor->x) - grabc->geom.x, .height = (int)round(cursor->y) - grabc->geom.y}, 1, 1);
 		return;
 	}
 
@@ -2156,7 +2161,7 @@ requestmonstate(struct wl_listener *listener, void *data)
 }
 
 void
-resize(Client *c, struct wlr_box geo, int interact)
+resize(Client *c, struct wlr_box geo, int interact, int draw_borders)
 {
 	struct wlr_box *bbox;
 	struct wlr_box clip;
@@ -2168,6 +2173,7 @@ resize(Client *c, struct wlr_box geo, int interact)
 
 	client_set_bounds(c, geo.width, geo.height);
 	c->geom = geo;
+	c->bw = draw_borders ? borderpx : 0;
 	applybounds(c, bbox);
 
 	/* Update scene-graph, including borders */
@@ -2297,6 +2303,8 @@ setfloating(Client *c, int floating)
 	wlr_scene_node_reparent(&c->scene->node, layers[c->isfullscreen ||
 			(p && p->isfullscreen) ? LyrFS
 			: c->isfloating ? LyrFloat : LyrTile]);
+	if (c->isfloating && !c->bw)
+		resize(c, c->mon->m, 0, 1);
 	arrange(c->mon);
 	printstatus();
 }
@@ -2314,11 +2322,11 @@ setfullscreen(Client *c, int fullscreen)
 
 	if (fullscreen) {
 		c->prev = c->geom;
-		resize(c, c->mon->m, 0);
+		resize(c, c->mon->m, 0, 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);
+		resize(c, c->prev, 0, 1);
 	}
 	arrange(c->mon);
 	printstatus();
@@ -2333,6 +2341,12 @@ setlayout(const Arg *arg)
 		selmon->sellt ^= 1;
 	if (arg && arg->v)
 		selmon->lt[selmon->sellt] = (Layout *)arg->v;
+	if (!selmon->lt[selmon->sellt]->arrange) {
+		/* floating layout, draw borders around all clients */
+		Client *c;
+		wl_list_for_each(c, &clients, link)
+			resize(c, c->mon->m, 0, 1);
+	}
 	strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, LENGTH(selmon->ltsymbol));
 	arrange(selmon);
 	printstatus();
@@ -2368,7 +2382,8 @@ setmon(Client *c, Monitor *m, uint32_t newtags)
 		arrange(oldmon);
 	if (m) {
 		/* Make sure window actually overlaps with the monitor */
-		resize(c, c->geom, 0);
+		resize(c, c->geom, 0, 1);
+		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) */
 		setfloating(c, c->isfloating);
@@ -2665,7 +2680,7 @@ tagmon(const Arg *arg)
 void
 tile(Monitor *m)
 {
-	unsigned int mw, my, ty;
+	unsigned int mw, my, ty, draw_borders = 1;
 	int i, n = 0;
 	Client *c;
 
@@ -2675,6 +2690,9 @@ tile(Monitor *m)
 	if (n == 0)
 		return;
 
+	if (n == smartborders)
+		draw_borders = 0;
+
 	if (n > m->nmaster)
 		mw = m->nmaster ? (int)roundf(m->w.width * m->mfact) : 0;
 	else
@@ -2685,11 +2703,11 @@ tile(Monitor *m)
 			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);
+				.height = (m->w.height - my) / (MIN(n, m->nmaster) - i)}, 0, draw_borders);
 			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);
+				.width = m->w.width - mw, .height = (m->w.height - ty) / (n - i)}, 0, draw_borders);
 			ty += c->geom.height;
 		}
 		i++;
@@ -2858,7 +2876,7 @@ updatemons(struct wl_listener *listener, void *data)
 		arrange(m);
 		/* make sure fullscreen clients have the right size */
 		if ((c = focustop(m)) && c->isfullscreen)
-			resize(c, m->m, 0);
+			resize(c, m->m, 0, 0);
 
 		/* Try to re-set the gamma LUT when updating monitors,
 		 * it's only really needed when enabling a disabled output, but meh. */
@@ -3077,7 +3095,7 @@ configurex11(struct wl_listener *listener, void *data)
 	if ((c->isfloating && c != grabc) || !c->mon->lt[c->mon->sellt]->arrange) {
 		resize(c, (struct wlr_box){.x = event->x - c->bw,
 				.y = event->y - c->bw, .width = event->width + c->bw * 2,
-				.height = event->height + c->bw * 2}, 0);
+				.height = event->height + c->bw * 2}, 0, 1);
 	} else {
 		arrange(c->mon);
 	}