Automatically call the migration script when the config does not look like v4

[i3/i3] / src / match.c

diff --git a/src/match.c b/src/match.c
index 603be7bf761f4f348566d4bcb52510f48779903f..2449bad7a7e67f2eb755a91679f01f82d73936c2 100644 (file)
--- 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 +41,33 @@ bool match_is_empty(Match *match) {
             match->instance == NULL &&
             match->id == XCB_NONE &&
             match->con_id == NULL &&
+            match->dock == -1 &&
             match->floating == M_ANY);
 }
 
+/*
+ * Copies the data of a match from src to dest.
+ *
+ */
+void match_copy(Match *dest, Match *src) {
+    memcpy(dest, src, sizeof(Match));
+
+#define STRDUP(field) do { \
+    if (src->field != NULL) \
+        dest->field = sstrdup(src->field); \
+} while (0)
+
+    STRDUP(title);
+    STRDUP(mark);
+    STRDUP(application);
+    STRDUP(class);
+    STRDUP(instance);
+}
+
+/*
+ * 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 +85,24 @@ bool match_matches_window(Match *match, i3Window *window) {
         return true;
     }
 
+    /* TODO: pcre match */
+    if (match->title != NULL && window->name_json != NULL && strcasecmp(match->title, window->name_json) == 0) {
+        LOG("match made by title (%s)\n", window->name_json);
+        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;
 }
-