dwm-6.2-tab-v2b.diff
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diff -up dwm-6.2.1/config.def.h dwm-6.2/config.def.h --- dwm-6.2.1/config.def.h 2019-02-02 04:55:28.000000000 -0800 +++ dwm-6.2/config.def.h 2019-07-12 11:40:50.530164308 -0700 @@ -5,6 +5,13 @@ static const unsigned int borderpx = 1; static const unsigned int snap = 32; /* snap pixel */ static const int showbar = 1; /* 0 means no bar */ static const int topbar = 1; /* 0 means bottom bar */ +/* Display modes of the tab bar: never shown, always shown, shown only in */ +/* monocle mode in the presence of several windows. */ +/* Modes after showtab_nmodes are disabled. */ +enum showtab_modes { showtab_never, showtab_auto, showtab_nmodes, showtab_always}; +static const int showtab = showtab_auto; /* Default tab bar show mode */ +static const int toptab = False; /* False means bottom tab bar */ + static const char *fonts[] = { "monospace:size=10" }; static const char dmenufont[] = "monospace:size=10"; static const char col_gray1[] = "#222222"; @@ -64,6 +71,7 @@ static Key keys[] = { { MODKEY, XK_p, spawn, {.v = dmenucmd } }, { MODKEY|ShiftMask, XK_Return, spawn, {.v = termcmd } }, { MODKEY, XK_b, togglebar, {0} }, + { MODKEY, XK_w, tabmode, {-1} }, { MODKEY, XK_j, focusstack, {.i = +1 } }, { MODKEY, XK_k, focusstack, {.i = -1 } }, { MODKEY, XK_i, incnmaster, {.i = +1 } }, @@ -111,5 +119,6 @@ static Button buttons[] = { { ClkTagBar, 0, Button3, toggleview, {0} }, { ClkTagBar, MODKEY, Button1, tag, {0} }, { ClkTagBar, MODKEY, Button3, toggletag, {0} }, + { ClkTabBar, 0, Button1, focuswin, {0} }, }; diff -up dwm-6.2.1/dwm.1 dwm-6.2/dwm.1 --- dwm-6.2.1/dwm.1 2019-02-02 04:55:28.000000000 -0800 +++ dwm-6.2/dwm.1 2019-07-12 11:36:25.453487700 -0700 @@ -20,14 +20,22 @@ layout applied. Windows are grouped by tags. Each window can be tagged with one or multiple tags. Selecting certain tags displays all windows with these tags. .P -Each screen contains a small status bar which displays all available tags, the -layout, the title of the focused window, and the text read from the root window -name property, if the screen is focused. A floating window is indicated with an -empty square and a maximised floating window is indicated with a filled square -before the windows title. The selected tags are indicated with a different -color. The tags of the focused window are indicated with a filled square in the -top left corner. The tags which are applied to one or more windows are -indicated with an empty square in the top left corner. +Each screen contains two small status bars. +.P +One bar displays all available tags, the layout, the title of the focused +window, and the text read from the root window name property, if the screen is +focused. A floating window is indicated with an empty square and a maximised +floating window is indicated with a filled square before the windows title. The +selected tags are indicated with a different color. The tags of the focused +window are indicated with a filled square in the top left corner. The tags +which are applied to one or more windows are indicated with an empty square in +the top left corner. +.P +Another bar contains a tab for each window of the current view and allows +navigation between windows, especially in the monocle mode. The different +display modes of this bar are described under the Mod1\-w Keybord command +section. When a single tag is selected, this tag is indicated in the left corner +of the tab bar. .P dwm draws a small border around windows to indicate the focus state. .SH OPTIONS @@ -44,7 +52,8 @@ command. .TP .B Button1 click on a tag label to display all windows with that tag, click on the layout -label toggles between tiled and floating layout. +label toggles between tiled and floating layout, click on a window name in the +tab bar brings focus to that window. .TP .B Button3 click on a tag label adds/removes all windows with that tag to/from the view. @@ -110,6 +119,12 @@ Increase master area size. .B Mod1\-h Decrease master area size. .TP +.B Mod1\-w +Cycle over the tab bar display modes: never displayed, always displayed, +displayed only in monocle mode when the view contains more than one window (auto +mode). Some display modes can be disabled in the configuration, config.h. In +the default configuration only "never" and "auto" display modes are enabled. +.TP .B Mod1\-Return Zooms/cycles focused window to/from master area (tiled layouts only). .TP diff -up dwm-6.2.1/dwm.c dwm-6.2/dwm.c --- dwm-6.2.1/dwm.c 2019-02-02 04:55:28.000000000 -0800 +++ dwm-6.2/dwm.c 2019-07-12 11:47:37.726846244 -0700 @@ -64,7 +64,7 @@ enum { NetSupported, NetWMName, NetWMSta NetWMFullscreen, NetActiveWindow, NetWMWindowType, NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */ enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */ -enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle, +enum { ClkTagBar, ClkTabBar, ClkLtSymbol, ClkStatusText, ClkWinTitle, ClkClientWin, ClkRootWin, ClkLast }; /* clicks */ typedef union { @@ -111,24 +111,32 @@ typedef struct { void (*arrange)(Monitor *); } Layout; +#define MAXTABS 50 + struct Monitor { char ltsymbol[16]; float mfact; int nmaster; int num; int by; /* bar geometry */ + int ty; /* tab bar geometry */ int mx, my, mw, mh; /* screen size */ int wx, wy, ww, wh; /* window area */ unsigned int seltags; unsigned int sellt; unsigned int tagset[2]; int showbar; + int showtab; int topbar; + int toptab; Client *clients; Client *sel; Client *stack; Monitor *next; Window barwin; + Window tabwin; + int ntabs; + int tab_widths[MAXTABS]; const Layout *lt[2]; }; @@ -163,12 +171,15 @@ static void detachstack(Client *c); static Monitor *dirtomon(int dir); static void drawbar(Monitor *m); static void drawbars(void); +static void drawtab(Monitor *m); +static void drawtabs(void); static void enternotify(XEvent *e); static void expose(XEvent *e); static void focus(Client *c); static void focusin(XEvent *e); static void focusmon(const Arg *arg); static void focusstack(const Arg *arg); +static void focuswin(const Arg* arg); static int getrootptr(int *x, int *y); static long getstate(Window w); static int gettextprop(Window w, Atom atom, char *text, unsigned int size); @@ -206,6 +217,7 @@ static void seturgent(Client *c, int urg static void showhide(Client *c); static void sigchld(int unused); static void spawn(const Arg *arg); +static void tabmode(const Arg *arg); static void tag(const Arg *arg); static void tagmon(const Arg *arg); static void tile(Monitor *); @@ -240,6 +252,7 @@ static char stext[256]; static int screen; static int sw, sh; /* X display screen geometry width, height */ static int bh, blw = 0; /* bar geometry */ +static int th = 0; /* tab bar geometry */ static int lrpad; /* sum of left and right padding for text */ static int (*xerrorxlib)(Display *, XErrorEvent *); static unsigned int numlockmask = 0; @@ -392,8 +405,9 @@ arrange(Monitor *m) } void -arrangemon(Monitor *m) -{ +arrangemon(Monitor *m) { + updatebarpos(m); + XMoveResizeWindow(dpy, m->tabwin, m->wx, m->ty, m->ww, th); strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, sizeof m->ltsymbol); if (m->lt[m->sellt]->arrange) m->lt[m->sellt]->arrange(m); @@ -443,7 +457,24 @@ buttonpress(XEvent *e) click = ClkStatusText; else click = ClkWinTitle; - } else if ((c = wintoclient(ev->window))) { + } + if(ev->window == selmon->tabwin) { + i = 0; x = 0; + for(c = selmon->clients; c; c = c->next){ + if(!ISVISIBLE(c)) continue; + x += selmon->tab_widths[i]; + if (ev->x > x) + ++i; + else + break; + if(i >= m->ntabs) break; + } + if(c) { + click = ClkTabBar; + arg.ui = i; + } + } + else if((c = wintoclient(ev->window))) { focus(c); restack(selmon); XAllowEvents(dpy, ReplayPointer, CurrentTime); @@ -451,8 +482,9 @@ buttonpress(XEvent *e) } for (i = 0; i < LENGTH(buttons); i++) if (click == buttons[i].click && buttons[i].func && buttons[i].button == ev->button - && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state)) - buttons[i].func(click == ClkTagBar && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg); + && CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state)){ + buttons[i].func(((click == ClkTagBar || click == ClkTabBar) && buttons[i].arg.i == 0) ? &arg : &buttons[i].arg); + } } void @@ -506,6 +538,8 @@ cleanupmon(Monitor *mon) } XUnmapWindow(dpy, mon->barwin); XDestroyWindow(dpy, mon->barwin); + XUnmapWindow(dpy, mon->tabwin); + XDestroyWindow(dpy, mon->tabwin); free(mon); } @@ -637,7 +671,10 @@ createmon(void) m->mfact = mfact; m->nmaster = nmaster; m->showbar = showbar; + m->showtab = showtab; m->topbar = topbar; + m->toptab = toptab; + m->ntabs = 0; m->lt[0] = &layouts[0]; m->lt[1] = &layouts[1 % LENGTH(layouts)]; strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol); @@ -752,6 +789,105 @@ drawbars(void) } void +drawtabs(void) { + Monitor *m; + + for(m = mons; m; m = m->next) + drawtab(m); +} + +static int +cmpint(const void *p1, const void *p2) { + /* The actual arguments to this function are "pointers to + pointers to char", but strcmp(3) arguments are "pointers + to char", hence the following cast plus dereference */ + return *((int*) p1) > * (int*) p2; +} + + +void +drawtab(Monitor *m) { + Client *c; + int i; + int itag = -1; + char view_info[50]; + int view_info_w = 0; + int sorted_label_widths[MAXTABS]; + int tot_width; + int maxsize = bh; + int x = 0; + int w = 0; + + //view_info: indicate the tag which is displayed in the view + for(i = 0; i < LENGTH(tags); ++i){ + if((selmon->tagset[selmon->seltags] >> i) & 1) { + if(itag >=0){ //more than one tag selected + itag = -1; + break; + } + itag = i; + } + } + + if(0 <= itag && itag < LENGTH(tags)){ + snprintf(view_info, sizeof view_info, "[%s]", tags[itag]); + } else { + strncpy(view_info, "[...]", sizeof view_info); + } + view_info[sizeof(view_info) - 1 ] = 0; + view_info_w = TEXTW(view_info); + tot_width = view_info_w; + + /* Calculates number of labels and their width */ + m->ntabs = 0; + for(c = m->clients; c; c = c->next){ + if(!ISVISIBLE(c)) continue; + m->tab_widths[m->ntabs] = TEXTW(c->name); + tot_width += m->tab_widths[m->ntabs]; + ++m->ntabs; + if(m->ntabs >= MAXTABS) break; + } + + if(tot_width > m->ww){ //not enough space to display the labels, they need to be truncated + memcpy(sorted_label_widths, m->tab_widths, sizeof(int) * m->ntabs); + qsort(sorted_label_widths, m->ntabs, sizeof(int), cmpint); + tot_width = view_info_w; + for(i = 0; i < m->ntabs; ++i){ + if(tot_width + (m->ntabs - i) * sorted_label_widths[i] > m->ww) + break; + tot_width += sorted_label_widths[i]; + } + maxsize = (m->ww - tot_width) / (m->ntabs - i); + } else{ + maxsize = m->ww; + } + i = 0; + for(c = m->clients; c; c = c->next){ + if(!ISVISIBLE(c)) continue; + if(i >= m->ntabs) break; + if(m->tab_widths[i] > maxsize) m->tab_widths[i] = maxsize; + w = m->tab_widths[i]; + drw_setscheme(drw, scheme[(c == m->sel) ? SchemeSel : SchemeNorm]); + drw_text(drw, x, 0, w, th, 0, c->name, 0); + x += w; + ++i; + } + + drw_setscheme(drw, scheme[SchemeNorm]); + + /* cleans interspace between window names and current viewed tag label */ + w = m->ww - view_info_w - x; + drw_text(drw, x, 0, w, th, 0, "", 0); + + /* view info */ + x += w; + w = view_info_w; + drw_text(drw, x, 0, w, th, 0, view_info, 0); + + drw_map(drw, m->tabwin, 0, 0, m->ww, th); +} + +void enternotify(XEvent *e) { Client *c; @@ -776,8 +912,10 @@ expose(XEvent *e) Monitor *m; XExposeEvent *ev = &e->xexpose; - if (ev->count == 0 && (m = wintomon(ev->window))) + if(ev->count == 0 && (m = wintomon(ev->window))){ drawbar(m); + drawtab(m); + } } void @@ -803,6 +941,7 @@ focus(Client *c) } selmon->sel = c; drawbars(); + drawtabs(); } /* there are some broken focus acquiring clients needing extra handling */ @@ -855,6 +994,19 @@ focusstack(const Arg *arg) } } +void +focuswin(const Arg* arg){ + int iwin = arg->i; + Client* c = NULL; + for(c = selmon->clients; c && (iwin || !ISVISIBLE(c)) ; c = c->next){ + if(ISVISIBLE(c)) --iwin; + }; + if(c) { + focus(c); + restack(selmon); + } +} + Atom getatomprop(Client *c, Atom prop) { @@ -1233,12 +1385,14 @@ propertynotify(XEvent *e) case XA_WM_HINTS: updatewmhints(c); drawbars(); + drawtabs(); break; } if (ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) { updatetitle(c); if (c == c->mon->sel) drawbar(c->mon); + drawtab(c->mon); } if (ev->atom == netatom[NetWMWindowType]) updatewindowtype(c); @@ -1352,6 +1506,7 @@ restack(Monitor *m) XWindowChanges wc; drawbar(m); + drawtab(m); if (!m->sel) return; if (m->sel->isfloating || !m->lt[m->sellt]->arrange) @@ -1546,6 +1701,7 @@ setup(void) die("no fonts could be loaded."); lrpad = drw->fonts->h; bh = drw->fonts->h + 2; + th = bh; updategeom(); /* init atoms */ utf8string = XInternAtom(dpy, "UTF8_STRING", False); @@ -1706,6 +1862,17 @@ togglebar(const Arg *arg) } void +tabmode(const Arg *arg) +{ + if(arg && arg->i >= 0) + selmon->showtab = arg->ui % showtab_nmodes; + else + selmon->showtab = (selmon->showtab + 1 ) % showtab_nmodes; + arrange(selmon); +} + + +void togglefloating(const Arg *arg) { if (!selmon->sel) @@ -1816,6 +1983,11 @@ updatebars(void) CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa); XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor); XMapRaised(dpy, m->barwin); + m->tabwin = XCreateWindow(dpy, root, m->wx, m->ty, m->ww, th, 0, DefaultDepth(dpy, screen), + CopyFromParent, DefaultVisual(dpy, screen), + CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa); + XDefineCursor(dpy, m->tabwin, cursor[CurNormal]->cursor); + XMapRaised(dpy, m->tabwin); XSetClassHint(dpy, m->barwin, &ch); } } @@ -1823,14 +1995,33 @@ updatebars(void) void updatebarpos(Monitor *m) { + Client *c; + int nvis = 0; + m->wy = m->my; m->wh = m->mh; if (m->showbar) { m->wh -= bh; m->by = m->topbar ? m->wy : m->wy + m->wh; - m->wy = m->topbar ? m->wy + bh : m->wy; - } else + if ( m->topbar ) + m->wy += bh; + } else { m->by = -bh; + } + + for(c = m->clients; c; c = c->next) { + if(ISVISIBLE(c)) ++nvis; + } + + if(m->showtab == showtab_always + || ((m->showtab == showtab_auto) && (nvis > 1) && (m->lt[m->sellt]->arrange == monocle))) { + m->wh -= th; + m->ty = m->toptab ? m->wy : m->wy + m->wh; + if ( m->toptab ) + m->wy += th; + } else { + m->ty = -th; + } } void @@ -2067,7 +2258,7 @@ wintomon(Window w) if (w == root && getrootptr(&x, &y)) return recttomon(x, y, 1, 1); for (m = mons; m; m = m->next) - if (w == m->barwin) + if (w == m->barwin || w == m->tabwin) return m; if ((c = wintoclient(w))) return c->mon;