X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fmatch.c;h=9ed4d434f14e7c1e86983401531d3f2db8f39068;hb=b0e871e0cfdc35f2147c4497136c5b74c9ebafe7;hp=603be7bf761f4f348566d4bcb52510f48779903f;hpb=6897e15e72ac222815b4a01d26179e026debd1ba;p=i3%2Fi3

diff --git a/src/match.c b/src/match.c
index 603be7bf..9ed4d434 100644
--- a/src/match.c
+++ b/src/match.c
@@ -2,12 +2,34 @@
  * vim:ts=4:sw=4:expandtab
  *
  * i3 - an improved dynamic tiling window manager
- * © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
+ *
+ * A "match" is a data structure which acts like a mask or expression to match
+ * certain windows or not. For example, when using commands, you can specify a
+ * command like this: [title="*Firefox*"] kill. The title member of the match
+ * data structure will then be filled and i3 will check each window using
+ * match_matches_window() to find the windows affected by this command.
  *
  */
 
 #include "all.h"
 
+/*
+ * Initializes the Match data structure. This function is necessary because the
+ * members representing boolean values (like dock) need to be initialized with
+ * -1 instead of 0.
+ *
+ */
+void match_init(Match *match) {
+    memset(match, 0, sizeof(Match));
+    match->dock = -1;
+}
+
+/*
+ * Check if a match is empty. This is necessary while parsing commands to see
+ * whether the user specified a match at all.
+ *
+ */
 bool match_is_empty(Match *match) {
     /* we cannot simply use memcmp() because the structure is part of a
      * TAILQ and I don’t want to start with things like assuming that the
@@ -19,9 +41,14 @@ bool match_is_empty(Match *match) {
             match->instance == NULL &&
             match->id == XCB_NONE &&
             match->con_id == NULL &&
+            match->dock == -1 &&
             match->floating == M_ANY);
 }
 
+/*
+ * Check if a match data structure matches the given window.
+ *
+ */
 bool match_matches_window(Match *match, i3Window *window) {
     /* TODO: pcre, full matching, … */
     if (match->class != NULL && window->class_class != NULL && strcasecmp(match->class, window->class_class) == 0) {
@@ -39,8 +66,35 @@ bool match_matches_window(Match *match, i3Window *window) {
         return true;
     }
 
+    LOG("match->dock = %d, window->dock = %d\n", match->dock, window->dock);
+    if (match->dock != -1 &&
+        ((window->dock == W_DOCK_TOP && match->dock == M_DOCK_TOP) ||
+         (window->dock == W_DOCK_BOTTOM && match->dock == M_DOCK_BOTTOM) ||
+         ((window->dock == W_DOCK_TOP || window->dock == W_DOCK_BOTTOM) &&
+          match->dock == M_DOCK_ANY) ||
+         (window->dock == W_NODOCK && match->dock == M_NODOCK))) {
+        LOG("match made by dock\n");
+        return true;
+    }
+
     LOG("window %d (%s) could not be matched\n", window->id, window->class_class);
 
     return false;
 }
 
+/*
+ * Returns the first match in 'assignments' that matches the given window.
+ *
+ */
+Match *match_by_assignment(i3Window *window) {
+    Match *match;
+
+    TAILQ_FOREACH(match, &assignments, assignments) {
+        if (!match_matches_window(match, window))
+            continue;
+        DLOG("got a matching assignment (to %s)\n", match->target_ws);
+        return match;
+    }
+
+    return NULL;
+}