ewmh.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <xcb/xcb_ewmh.h>
   4 #include "types.h"
   5 #include "bspwm.h"
   6 #include "settings.h"
   7 #include "tree.h"
   8 #include "ewmh.h"
   9
  10 void ewmh_init(void)
  11 {
  12     ewmh = (xcb_ewmh_connection_t *) malloc(sizeof(xcb_ewmh_connection_t));
  13     xcb_intern_atom_cookie_t *ewmh_cookies;
  14     ewmh_cookies = xcb_ewmh_init_atoms(dpy, ewmh);
  15     xcb_ewmh_init_atoms_replies(ewmh, ewmh_cookies, NULL);
  16 }
  17
  18 void ewmh_update_wm_name(void)
  19 {
  20     if (wm_name != NULL)
  21         xcb_ewmh_set_wm_name(ewmh, screen->root, strlen(wm_name), wm_name);
  22 }
  23
  24 void ewmh_update_active_window(void)
  25 {
  26     xcb_window_t win = (desk->focus == NULL ? XCB_NONE : desk->focus->client->window);
  27     xcb_ewmh_set_active_window(ewmh, default_screen, win);
  28 }
  29
  30 void ewmh_update_number_of_desktops(void)
  31 {
  32     xcb_ewmh_set_number_of_desktops(ewmh, default_screen, num_desktops);
  33 }
  34
  35 void ewmh_update_current_desktop(void)
  36 {
  37    desktop_t *d = desk_head;
  38    unsigned int i = 0, cd = 0;
  39
  40    while (d != NULL && i < num_desktops) {
  41        if (desk == d)
  42            cd = i;
  43        i++;
  44        d = d->next;
  45    }
  46
  47    xcb_ewmh_set_current_desktop(ewmh, default_screen, cd);
  48 }
  49
  50 void ewmh_update_desktop_names(void)
  51 {
  52    char names[MAXLEN];
  53    desktop_t *d = desk_head;
  54    unsigned int pos, i;
  55
  56    pos = i = 0;
  57
  58    while (d != NULL && i < num_desktops) {
  59        for (unsigned int j = 0; j < strlen(d->name); j++)
  60            names[pos + j] = d->name[j];
  61        pos += strlen(d->name);
  62        names[pos] = '\0';
  63        pos++;
  64        d = d->next;
  65        i++;
  66    }
  67
  68    if (i != num_desktops)
  69        return;
  70
  71    pos--;
  72
  73    xcb_ewmh_set_desktop_names(ewmh, default_screen, pos, names);
  74 }
  75
  76 void ewmh_update_client_list(void)
  77 {
  78     if (num_clients == 0) {
  79         xcb_ewmh_set_client_list(ewmh, default_screen, 0, NULL);
  80         return;
  81     }
  82
  83     xcb_window_t wins[num_clients];
  84     desktop_t *d = desk_head;
  85     unsigned int i = 0;
  86
  87     while (d != NULL && i < num_clients) {
  88         node_t *n = first_extrema(d->root);
  89         while (n != NULL) {
  90             wins[i++] = n->client->window;
  91             n = next_leaf(n);
  92         }
  93         d = d->next;
  94     }
  95
  96     if (i != num_clients)
  97         return;
  98
  99     xcb_ewmh_set_client_list(ewmh, default_screen, num_clients, wins);
 100 }