fixed take-focus

added some functions

src/utils.scm

@@ -56,6 +56,11 @@
     (release-lock lock)
     r))
 
+(define (send-message+wait channel message)
+  (let ((sp (make-sync-point)))
+    (send channel (list 'wait sp message))
+    (sync-point-wait sp)))
+
 ;; *** option utilities **********************************************
 
 (define-record-type options :options
@@ -78,13 +83,6 @@
 	(type-alist (map (lambda (s)
 			   (cons (first s) (second s)))
 			 spec))
-;	(default-alist (map (lambda (s)
-;			      (let ((op (assq (first s) options)))
-;				(if op op
-;				    (cons (first s) (third s)))))
-;			    spec)))
-	;; TODO: options from config and the spec should form the
-	;; defaults (but not those from layout).
 	(default-alist (map (lambda (s)
 			      (cons (first s) (third s)))
 			    spec)))
@@ -95,6 +93,15 @@
     (make-options dpy colormap option-alist value-alist type-alist
 		  default-alist)))
 
+(define (spec-defaults defaults spec)
+  (map (lambda (s)
+	 (let ((name (first s))
+	       (type (second s))
+	       (def1 (third s)))
+	   (let ((def2 (assq name defaults)))
+	     (list name type (if def2 (cdr def2) def1)))))
+       spec))
+
 ;; if the colormap gets freed, then the colors don't have to
 (define (free-options options free-colors?)
   (for-each (lambda (n.v)
@@ -278,6 +285,10 @@
   (eq? (window-attribute:map-state (get-window-attributes dpy window))
        (map-state is-viewable)))
 
+(define (window-mapped? dpy window)
+  (not (eq? (window-attribute:map-state (get-window-attributes dpy window))
+	    (map-state is-unmapped))))
+
 (define (window-focused? dpy window)
   (eq? (get-input-focus-window dpy) window))
 
@@ -294,7 +305,7 @@
 	 (wm-hints (get-wm-hints dpy window))
 	 (t (and wm-hints (assq (wm-hint input?) wm-hints)))
 	 (input? (if t (cdr t) #f)))
-    (if input?
+    (if (and input? (window-mapped? dpy window))
 	(set-input-focus dpy window (revert-to parent) time))
     (if (and protocols wm-take-focus
 	     (memq wm-take-focus protocols))
@@ -491,6 +502,15 @@
     ;; result ********************************************************
     (cons width height)))
 
+(define (minimal-size/hints dpy window default-width default-height)
+  (let ((hints (get-wm-normal-hints dpy window)) ;; or group-leader?
+	(default-size (cons default-width default-height)))
+    (if hints
+	(or (assq/false (size-hint min-size) hints)
+	    (assq/false (size-hint base-size) hints) ;; according to ICCCM
+	    default-size)
+	default-size)))
+
 (define (point-in-rectangle? r x y)
   (and (>= x (rectangle:x r))
        (>= y (rectangle:y r))