* 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
* match_matches_window() to find the windows affected by this command.
*
*/
-
#include "all.h"
+/* From sys/time.h, not sure if it’s available on all systems. */
+# define _i3_timercmp(a, b, CMP) \
+ (((a).tv_sec == (b).tv_sec) ? \
+ ((a).tv_usec CMP (b).tv_usec) : \
+ ((a).tv_sec CMP (b).tv_sec))
+
/*
* Initializes the Match data structure. This function is necessary because the
* members representing boolean values (like dock) need to be initialized with
void match_init(Match *match) {
memset(match, 0, sizeof(Match));
match->dock = -1;
+ match->urgent = U_DONTCHECK;
}
/*
match->application == NULL &&
match->class == NULL &&
match->instance == NULL &&
+ match->role == NULL &&
+ match->urgent == U_DONTCHECK &&
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));
+
+/* The DUPLICATE_REGEX macro creates a new regular expression from the
+ * ->pattern of the old one. It therefore does use a little more memory then
+ * with a refcounting system, but it’s easier this way. */
+#define DUPLICATE_REGEX(field) do { \
+ if (src->field != NULL) \
+ dest->field = regex_new(src->field->pattern); \
+} while (0)
+
+ DUPLICATE_REGEX(title);
+ DUPLICATE_REGEX(mark);
+ DUPLICATE_REGEX(application);
+ DUPLICATE_REGEX(class);
+ DUPLICATE_REGEX(instance);
+ DUPLICATE_REGEX(role);
+}
+
/*
* 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) {
- LOG("match made by window class (%s)\n", window->class_class);
- return true;
+ LOG("Checking window 0x%08x (class %s)\n", window->id, window->class_class);
+
+ if (match->class != NULL) {
+ if (window->class_class != NULL &&
+ regex_matches(match->class, window->class_class)) {
+ LOG("window class matches (%s)\n", window->class_class);
+ } else {
+ return false;
+ }
+ }
+
+ if (match->instance != NULL) {
+ if (window->class_instance != NULL &&
+ regex_matches(match->instance, window->class_instance)) {
+ LOG("window instance matches (%s)\n", window->class_instance);
+ } else {
+ return false;
+ }
}
- if (match->instance != NULL && window->class_instance != NULL && strcasecmp(match->instance, window->class_instance) == 0) {
- LOG("match made by window instance (%s)\n", window->class_instance);
- return true;
+ if (match->id != XCB_NONE) {
+ if (window->id == match->id) {
+ LOG("match made by window id (%d)\n", window->id);
+ } else {
+ LOG("window id does not match\n");
+ return false;
+ }
}
- if (match->id != XCB_NONE && window->id == match->id) {
- LOG("match made by window id (%d)\n", window->id);
- return true;
+ if (match->title != NULL) {
+ if (window->name_json != NULL &&
+ regex_matches(match->title, window->name_json)) {
+ LOG("title matches (%s)\n", window->name_json);
+ } else {
+ return false;
+ }
}
- 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) ||
+ if (match->role != NULL) {
+ if (window->role != NULL &&
+ regex_matches(match->role, window->role)) {
+ LOG("window_role matches (%s)\n", window->role);
+ } else {
+ return false;
+ }
+ }
+
+ Con *con = NULL;
+ if (match->urgent == U_LATEST) {
+ /* if the window isn't urgent, no sense in searching */
+ if (window->urgent.tv_sec == 0) {
+ return false;
+ }
+ /* if we find a window that is newer than this one, bail */
+ TAILQ_FOREACH(con, &all_cons, all_cons) {
+ if ((con->window != NULL) &&
+ _i3_timercmp(con->window->urgent, window->urgent, >)) {
+ return false;
+ }
+ }
+ LOG("urgent matches latest\n");
+ }
+
+ if (match->urgent == U_OLDEST) {
+ /* if the window isn't urgent, no sense in searching */
+ if (window->urgent.tv_sec == 0) {
+ return false;
+ }
+ /* if we find a window that is older than this one (and not 0), bail */
+ TAILQ_FOREACH(con, &all_cons, all_cons) {
+ if ((con->window != NULL) &&
+ (con->window->urgent.tv_sec != 0) &&
+ _i3_timercmp(con->window->urgent, window->urgent, <)) {
+ return false;
+ }
+ }
+ LOG("urgent matches oldest\n");
+ }
+
+ if (match->dock != -1) {
+ if ((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;
+ (window->dock == W_NODOCK && match->dock == M_NODOCK)) {
+ LOG("dock status matches\n");
+ } else {
+ LOG("dock status does not match\n");
+ return false;
+ }
}
- LOG("window %d (%s) could not be matched\n", window->id, window->class_class);
+ /* We don’t check the mark because this function is not even called when
+ * the mark would have matched - it is checked in cmdparse.y itself */
+ if (match->mark != NULL) {
+ LOG("mark does not match\n");
+ return false;
+ }
- return false;
+ return true;
}
+/*
+ * Frees the given match. It must not be used afterwards!
+ *
+ */
+void match_free(Match *match) {
+ /* First step: free the regex fields / patterns */
+ regex_free(match->title);
+ regex_free(match->application);
+ regex_free(match->class);
+ regex_free(match->instance);
+ regex_free(match->mark);
+ regex_free(match->role);
+
+ /* Second step: free the regex helper struct itself */
+ FREE(match->title);
+ FREE(match->application);
+ FREE(match->class);
+ FREE(match->instance);
+ FREE(match->mark);
+ FREE(match->role);
+}