From c5ff0a2ab7c1ad1733685de2fad92eb8e418ea14 Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Thu, 16 May 2002 07:56:04 +0000
Subject: Ajout de l'attribut -composealpha. Correction de ToArea et Pick pour
 accomoder les nouvelles fonctions overlapping/enclosed et closest.
 Suppression de la variable de classe has_fields.

---
 generic/Window.c | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/generic/Window.c b/generic/Window.c
index a380026..063b446 100644
--- a/generic/Window.c
+++ b/generic/Window.c
@@ -63,6 +63,9 @@ typedef struct _WindowItemStruct {
 static ZnAttrConfig	wind_attrs[] = {
   { ZN_CONFIG_ANCHOR, "-anchor", NULL,
     Tk_Offset(WindowItemStruct, anchor), 0, ZN_COORDS_FLAG, False },
+  { ZN_CONFIG_BOOL, "-composealpha", NULL,
+    Tk_Offset(WindowItemStruct, header.flags), COMPOSE_ALPHA_BIT,
+    ZN_DRAW_FLAG, False },
   { ZN_CONFIG_BOOL, "-composerotation", NULL,
     Tk_Offset(WindowItemStruct, header.flags), COMPOSE_ROTATION_BIT,
     ZN_COORDS_FLAG, False },
@@ -84,7 +87,7 @@ static ZnAttrConfig	wind_attrs[] = {
   { ZN_CONFIG_BOOL, "-sensitive", NULL,
     Tk_Offset(WindowItemStruct, header.flags), SENSITIVE_BIT,
     ZN_REPICK_FLAG, False },
-  { ZN_CONFIG_TAGS, "-tags", NULL,
+  { ZN_CONFIG_TAG_LIST, "-tags", NULL,
     Tk_Offset(WindowItemStruct, header.tags), 0, 0, False },
   { ZN_CONFIG_BOOL, "-visible", NULL,
     Tk_Offset(WindowItemStruct, header.flags), VISIBLE_BIT,
@@ -184,6 +187,7 @@ Init(Item		item,
   /* Init attributes */
   SET(item->flags, VISIBLE_BIT);
   SET(item->flags, SENSITIVE_BIT);
+  SET(item->flags, COMPOSE_ALPHA_BIT); /* N.A */
   SET(item->flags, COMPOSE_ROTATION_BIT);
   SET(item->flags, COMPOSE_SCALE_BIT);
   item->priority = DEFAULT_WINDOW_PRIORITY; /* N.A */
@@ -411,10 +415,7 @@ ComputeCoordinates(Item		item,
  */
 static int
 ToArea(Item	item,
-       ZnBBox	*area,
-       Tk_Uid	tag_uid,
-       int	enclosed,
-       ZnBool	report)
+       ZnToArea	ta)
 {
   WindowItem	wind = (WindowItem) item;
   ZnBBox	box;
@@ -428,7 +429,7 @@ ToArea(Item	item,
   box.corner.x = box.orig.x + w;
   box.corner.y = box.orig.y + h;
   
-  return BBoxInBBox(&box, area);
+  return BBoxInBBox(&box, ta->area);
 }
 
 /*
@@ -514,16 +515,13 @@ IsSensitive(Item	item,
  */
 static double
 Pick(Item	item,
-     ZnPoint	*p,
-     Item	start_item,
-     int	aperture,
-     Item	*a_item,
-     int	*part)
+     ZnPick	ps)
 {
   WindowItem	wind = (WindowItem) item;
   ZnBBox	box;
   ZnReal	dist = 1e40;
-  
+  ZnPoint	*p = ps->point;
+
   box.orig = wind->pos_dev;
   if (wind->win != NULL) {
     box.corner.x = box.orig.x + wind->real_width;
@@ -657,7 +655,6 @@ Coords(Item	item,
  */
 static ItemClassStruct WINDOW_ITEM_CLASS = {
   sizeof(WindowItemStruct),
-  False,		/* has_fields */
   0,			/* num_parts */
   True,			/* has_anchors */
   "window",
-- 
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