1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
static int th = 0; /* tab bar geometry */
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 < NUMTAGS; ++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 < NUMTAGS) {
snprintf(view_info, sizeof view_info, "[%s]", tagicon(m, 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) || HIDDEN(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) || HIDDEN(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, False);
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, False);
/* view info */
x += w;
w = view_info_w;
drw_text(drw, x, 0, w, th, 0, view_info, 0, False);
drw_map(drw, m->tabwin, 0, 0, m->ww, th);
}
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) && !HIDDEN(c))
--iwin;
};
if (c) {
focus(c);
restack(selmon);
}
}
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);
}
|
