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134 lines
3.0 KiB
C
134 lines
3.0 KiB
C
static int th = 0; /* tab bar geometry */
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void
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drawtabs(void)
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{
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Monitor *m;
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for (m = mons; m; m = m->next)
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drawtab(m);
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}
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static int
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cmpint(const void *p1, const void *p2)
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{
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/* The actual arguments to this function are "pointers to
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pointers to char", but strcmp(3) arguments are "pointers
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to char", hence the following cast plus dereference */
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return *((int*) p1) > * (int*) p2;
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}
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void
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drawtab(Monitor *m)
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{
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Client *c;
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int i;
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int itag = -1;
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char view_info[50];
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int view_info_w = 0;
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int sorted_label_widths[MAXTABS];
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int tot_width;
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int maxsize = bh;
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int x = 0;
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int w = 0;
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// view_info: indicate the tag which is displayed in the view
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for (i = 0; i < NUMTAGS; ++i) {
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if ((selmon->tagset[selmon->seltags] >> i) & 1) {
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if (itag >=0) { // more than one tag selected
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itag = -1;
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break;
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}
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itag = i;
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}
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}
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if (0 <= itag && itag < NUMTAGS) {
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snprintf(view_info, sizeof view_info, "[%s]", tagicon(m, itag));
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} else {
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strncpy(view_info, "[...]", sizeof view_info);
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}
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view_info[sizeof(view_info) - 1 ] = 0;
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view_info_w = TEXTW(view_info);
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tot_width = view_info_w;
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/* Calculates number of labels and their width */
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m->ntabs = 0;
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for (c = m->clients; c; c = c->next) {
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if (!ISVISIBLE(c) || HIDDEN(c))
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continue;
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m->tab_widths[m->ntabs] = TEXTW(c->name);
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tot_width += m->tab_widths[m->ntabs];
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++m->ntabs;
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if (m->ntabs >= MAXTABS)
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break;
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}
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if (tot_width > m->ww) { // not enough space to display the labels, they need to be truncated
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memcpy(sorted_label_widths, m->tab_widths, sizeof(int) * m->ntabs);
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qsort(sorted_label_widths, m->ntabs, sizeof(int), cmpint);
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tot_width = view_info_w;
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for (i = 0; i < m->ntabs; ++i) {
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if (tot_width + (m->ntabs - i) * sorted_label_widths[i] > m->ww)
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break;
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tot_width += sorted_label_widths[i];
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}
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maxsize = (m->ww - tot_width) / (m->ntabs - i);
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} else {
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maxsize = m->ww;
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}
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i = 0;
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for (c = m->clients; c; c = c->next) {
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if (!ISVISIBLE(c) || HIDDEN(c))
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continue;
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if (i >= m->ntabs)
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break;
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if (m->tab_widths[i] > maxsize)
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m->tab_widths[i] = maxsize;
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w = m->tab_widths[i];
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drw_setscheme(drw, scheme[(c == m->sel) ? SchemeSel : SchemeNorm]);
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drw_text(drw, x, 0, w, th, 0, c->name, 0, False);
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x += w;
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++i;
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}
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drw_setscheme(drw, scheme[SchemeNorm]);
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/* cleans interspace between window names and current viewed tag label */
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w = m->ww - view_info_w - x;
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drw_text(drw, x, 0, w, th, 0, "", 0, False);
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/* view info */
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x += w;
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w = view_info_w;
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drw_text(drw, x, 0, w, th, 0, view_info, 0, False);
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drw_map(drw, m->tabwin, 0, 0, m->ww, th);
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}
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void
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focuswin(const Arg* arg)
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{
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int iwin = arg->i;
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Client* c = NULL;
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for (c = selmon->clients; c && (iwin || !ISVISIBLE(c)) ; c = c->next) {
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if (ISVISIBLE(c) && !HIDDEN(c))
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--iwin;
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};
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if (c) {
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focus(c);
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restack(selmon);
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}
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}
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void
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tabmode(const Arg *arg)
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{
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if (arg && arg->i >= 0)
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selmon->showtab = arg->ui % showtab_nmodes;
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else
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selmon->showtab = (selmon->showtab + 1 ) % showtab_nmodes;
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arrange(selmon);
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}
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