pertagged

1 files changed, 86 insertions, 5 deletions

diff --git a/dwl.c b/dwl.c
index ece537a..ff5ae97 100644
--- a/dwl.c
+++ b/dwl.c
@@ -80,6 +80,7 @@
 #define LENGTH(X)               (sizeof X / sizeof X[0])
 #define END(A)                  ((A) + LENGTH(A))
 #define TAGMASK                 ((1u << LENGTH(tags)) - 1)
+#define TAGCOUNT                (LENGTH(tags))
 #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(mon, text)        (drwl_font_getwidth(mon->drw, text) + mon->lrpad)
@@ -110,6 +111,7 @@ typedef struct {
 	const Arg arg;
 } Button;
 
+typedef struct Pertag Pertag;
 typedef struct Monitor Monitor;
 typedef struct {
 	/* Must keep these three elements in this order */
@@ -221,9 +223,11 @@ struct Monitor {
 	struct wlr_box w; /* window area, layout-relative */
 	struct wl_list layers[4]; /* LayerSurface.link */
 	const Layout *lt[2];
+	Pertag *pertag;
 	unsigned int seltags;
 	unsigned int sellt;
 	uint32_t tagset[2];
+	int showbar;
 	float mfact;
 	int gamma_lut_changed;
 	int nmaster;
@@ -476,6 +480,15 @@ static xcb_atom_t netatom[NetLast];
 /* attempt to encapsulate suck into one file */
 #include "client.h"
 
+struct Pertag {
+	unsigned int curtag, prevtag; /* current and previous tag */
+	int nmasters[TAGCOUNT + 1]; /* number of windows in master area */
+	float mfacts[TAGCOUNT + 1]; /* mfacts per tag */
+	unsigned int sellts[TAGCOUNT + 1]; /* selected layouts */
+	const Layout *ltidxs[TAGCOUNT + 1][2]; /* matrix of tags and layouts indexes  */
+	int showbars[TAGCOUNT + 1]; /* display bar for the current tag */
+};
+
 /* function implementations */
 void
 applybounds(Client *c, struct wlr_box *bbox)
@@ -879,6 +892,7 @@ cleanupmon(struct wl_listener *listener, void *data)
 	wlr_output_layout_remove(output_layout, m->wlr_output);
 	wlr_scene_output_destroy(m->scene_output);
 
+	free(m->pertag);
 	closemon(m);
 	wlr_scene_node_destroy(&m->fullscreen_bg->node);
 	wlr_scene_node_destroy(&m->scene_buffer->node);
@@ -1158,6 +1172,7 @@ createmon(struct wl_listener *listener, void *data)
 			m->m.y = r->y;
 			m->mfact = r->mfact;
 			m->nmaster = r->nmaster;
+			m->showbar = showbar;
 			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));
@@ -1192,6 +1207,20 @@ createmon(struct wl_listener *listener, void *data)
 	wl_list_insert(&mons, &m->link);
 	drawbars();
 
+	m->pertag = calloc(1, sizeof(Pertag));
+	m->pertag->curtag = m->pertag->prevtag = 1;
+
+	for (i = 0; i <= TAGCOUNT; i++) {
+		m->pertag->nmasters[i] = m->nmaster;
+		m->pertag->mfacts[i] = m->mfact;
+
+		m->pertag->ltidxs[i][0] = m->lt[0];
+		m->pertag->ltidxs[i][1] = m->lt[1];
+		m->pertag->sellts[i] = m->sellt;
+
+		m->pertag->showbars[i] = m->showbar;
+	}
+
 	/* The xdg-protocol specifies:
 	 *
 	 * If the fullscreened surface is not opaque, the compositor must make
@@ -1513,6 +1542,9 @@ drawbar(Monitor *m)
 	Client *c;
 	Buffer *buf;
 
+	if (!m->showbar)
+		return;
+
 	if (!m->scene_buffer->node.enabled)
 		return;
 	if (!(buf = bufmon(m)))
@@ -1760,7 +1792,7 @@ incnmaster(const Arg *arg)
 {
 	if (!arg || !selmon)
 		return;
-	selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
+	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag] = MAX(selmon->nmaster + arg->i, 0);
 	arrange(selmon);
 }
 
@@ -2545,9 +2577,9 @@ setlayout(const Arg *arg)
 	if (!selmon)
 		return;
 	if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
-		selmon->sellt ^= 1;
+		selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag] ^= 1;
 	if (arg && arg->v)
-		selmon->lt[selmon->sellt] = (Layout *)arg->v;
+		selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt] = (Layout *)arg->v;
 	strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, LENGTH(selmon->ltsymbol));
 	arrange(selmon);
 	drawbar(selmon);
@@ -2564,7 +2596,7 @@ setmfact(const Arg *arg)
 	f = arg->f < 1.0f ? arg->f + selmon->mfact : arg->f - 1.0f;
 	if (f < 0.1 || f > 0.9)
 		return;
-	selmon->mfact = f;
+	selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag] = f;
 	arrange(selmon);
 }
 
@@ -2943,6 +2975,7 @@ tile(Monitor *m)
 void
 togglebar(const Arg *arg)
 {
+	selmon->showbar = selmon->pertag->showbars[selmon->pertag->curtag] = !selmon->showbar;
 	wlr_scene_node_set_enabled(&selmon->scene_buffer->node,
 		!selmon->scene_buffer->node.enabled);
 	arrangelayers(selmon);
@@ -2983,9 +3016,32 @@ void
 toggleview(const Arg *arg)
 {
 	uint32_t newtagset;
+	size_t i;
 	if (!(newtagset = selmon ? selmon->tagset[selmon->seltags] ^ (arg->ui & TAGMASK) : 0))
 		return;
 
+	if (newtagset == (uint32_t)~0) {
+		selmon->pertag->prevtag = selmon->pertag->curtag;
+		selmon->pertag->curtag = 0;
+	}
+
+	/* test if the user did not select the same tag */
+	if (!(newtagset & 1 << (selmon->pertag->curtag - 1))) {
+		selmon->pertag->prevtag = selmon->pertag->curtag;
+		for (i = 0; !(newtagset & 1 << i); i++) ;
+		selmon->pertag->curtag = i + 1;
+	}
+
+	/* apply settings for this view */
+	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag];
+	selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag];
+	selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag];
+	selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt];
+	selmon->lt[selmon->sellt^1] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt^1];
+
+	if (selmon->showbar != selmon->pertag->showbars[selmon->pertag->curtag])
+		togglebar(NULL);
+
 	selmon->tagset[selmon->seltags] = newtagset;
 	focusclient(focustop(selmon), 1);
 	arrange(selmon);
@@ -3214,11 +3270,36 @@ urgent(struct wl_listener *listener, void *data)
 void
 view(const Arg *arg)
 {
+	size_t i, tmptag;
+
 	if (!selmon || (arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
 		return;
 	selmon->seltags ^= 1; /* toggle sel tagset */
-	if (arg->ui & TAGMASK)
+	if (arg->ui & ~0) {
 		selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
+		selmon->pertag->prevtag = selmon->pertag->curtag;
+
+		if (arg->ui == TAGMASK)
+			selmon->pertag->curtag = 0;
+		else {
+			for (i = 0; !(arg->ui & 1 << i); i++) ;
+			selmon->pertag->curtag = i + 1;
+		}
+	} else {
+		tmptag = selmon->pertag->prevtag;
+		selmon->pertag->prevtag = selmon->pertag->curtag;
+		selmon->pertag->curtag = tmptag;
+	}
+
+	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag];
+	selmon->mfact = selmon->pertag->mfacts[selmon->pertag->curtag];
+	selmon->sellt = selmon->pertag->sellts[selmon->pertag->curtag];
+	selmon->lt[selmon->sellt] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt];
+	selmon->lt[selmon->sellt^1] = selmon->pertag->ltidxs[selmon->pertag->curtag][selmon->sellt^1];
+
+	if (selmon->showbar != selmon->pertag->showbars[selmon->pertag->curtag])
+		togglebar(NULL);
+
 	focusclient(focustop(selmon), 1);
 	arrange(selmon);
 	drawbars();