rules.c

   1 #include <string.h>
   2 #include <xcb/xcb_icccm.h>
   3 #include <xcb/xcb_ewmh.h>
   4 #include "types.h"
   5 #include "bspwm.h"
   6 #include "ewmh.h"
   7 #include "rules.h"
   8
   9 rule_t *next_match(rule_t *rule, xcb_window_t win)
  10 {
  11     if (rule == NULL)
  12         return NULL;
  13     rule_t *r = rule;
  14     rule_t *found = NULL;
  15     while (r != NULL && found == NULL) {
  16         if (is_match(r, win))
  17             found = r;
  18         r = r->next;
  19     }
  20     return found;
  21 }
  22
  23 bool is_match(rule_t *r, xcb_window_t win)
  24 {
  25     xcb_icccm_get_wm_class_reply_t reply;
  26     if (xcb_icccm_get_wm_class_reply(dpy, xcb_icccm_get_wm_class(dpy, win), &reply, NULL) == 1
  27             && (strcmp(reply.class_name, r->cause.name) == 0
  28                 || strcmp(reply.instance_name, r->cause.name) == 0)) {
  29         xcb_icccm_get_wm_class_reply_wipe(&reply);
  30         return true;
  31     }
  32     return false;
  33 }
  34
  35 void handle_rules(xcb_window_t win, bool *floating, bool *transient, bool *takes_focus)
  36 {
  37     xcb_ewmh_get_atoms_reply_t win_type;
  38
  39     if (xcb_ewmh_get_wm_window_type_reply(ewmh, xcb_ewmh_get_wm_window_type(ewmh, win), &win_type, NULL) == 1) {
  40         for (unsigned int i = 0; i < win_type.atoms_len; i++) {
  41             xcb_atom_t a = win_type.atoms[i];
  42             if (a == ewmh->_NET_WM_WINDOW_TYPE_TOOLBAR
  43                     || a == ewmh->_NET_WM_WINDOW_TYPE_UTILITY) {
  44                 *takes_focus = false;
  45             } else if (a == ewmh->_NET_WM_WINDOW_TYPE_DIALOG) {
  46                 *floating = true;
  47             }
  48         }
  49     }
  50
  51     /* xcb_ewmh_get_atoms_reply_wipe(&win_type); */
  52
  53     xcb_window_t transient_for = XCB_NONE;
  54     xcb_icccm_get_wm_transient_for_reply(dpy, xcb_icccm_get_wm_transient_for(dpy, win), &transient_for, NULL);
  55     *transient = (transient_for == XCB_NONE ? false : true);
  56     if (*transient)
  57         *floating = true;
  58
  59     rule_t *rule = rule_head;
  60
  61     while (rule != NULL) {
  62         if (is_match(rule, win)) {
  63             if (rule->effect.floating) {
  64                 *floating = true;
  65             }
  66         }
  67         rule = rule->next;
  68     }
  69 }