From d4c5bf69c64ed9b7c137561b291607c181a9ad60 Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Fri, 23 Mar 2001 15:24:30 +0000
Subject: Retour arri�re sur le comportement du bind lors d'un button press :
 le grab est r�tabli. Le bug de l'enter non g�n�r� lors d'un retour dans
 l'objet de grab est corrig�.

---
 generic/tkZinc.c | 68 +++++++++++++++++++++++++-------------------------------
 1 file changed, 30 insertions(+), 38 deletions(-)

(limited to 'generic/tkZinc.c')

diff --git a/generic/tkZinc.c b/generic/tkZinc.c
index 3baa747..bf2a5ad 100644
--- a/generic/tkZinc.c
+++ b/generic/tkZinc.c
@@ -4782,15 +4782,16 @@ DoEvent(WidgetInfo	*wi,
    * any binding related to the item only those pertaining
    * to the fields.
    */
-  bind_item = (((event->type != EnterNotify) &&
-		(event->type != LeaveNotify)) ||
+  bind_item = (((event->type != EnterNotify) &&	(event->type != LeaveNotify)) ||
 	       (wi->current_item != wi->new_item));
-  /*printf("type=%s, current=%d, new=%d --> %s\n",
-	 event->type==EnterNotify?"Enter":
-	 event->type==LeaveNotify?"Leave":"other",
+  /*printf("type=%s, current=%d, new=%d --> %s, currentp %d, newp %d\n",
+	 event->type==EnterNotify?"<Enter>":
+	 event->type==LeaveNotify?"<Leave>":
+	 event->type==MotionNotify?"<Motion>":"other",
 	 wi->current_item?wi->current_item->id:0,
 	 wi->new_item?wi->new_item->id:0,
-	 bind_item?"bind":"nobind");*/
+	 bind_item?"bind":"nobind",
+	 wi->current_part, wi->new_part);*/
   if (bind_item) {
     num += 2;
   }
@@ -4884,10 +4885,7 @@ PickCurrentItem(WidgetInfo	*wi,
 		XEvent		*event)
 {
   int	button_down;
-#ifdef LEFT_GRAB
-  int	prev_left_grabbed_item;
-#endif
-  
+
   /*
    * Check whether or not a button is down.  If so, we'll log entry
    * and exit into and out of the current item, but not entry into
@@ -4896,12 +4894,9 @@ PickCurrentItem(WidgetInfo	*wi,
    */
   button_down = wi->state
     & (Button1Mask|Button2Mask|Button3Mask|Button4Mask|Button5Mask);
-#ifdef LEFT_GRAB
-  prev_left_grabbed_item = wi->events_flags & LEFT_GRABBED_ITEM;
   if (!button_down) {
     wi->events_flags &= ~LEFT_GRABBED_ITEM;
   }
-#endif
   
   /*
    * Save information about this event in the widget.  The saved event
@@ -4969,13 +4964,15 @@ PickCurrentItem(WidgetInfo	*wi,
   }
   else {
     wi->new_item = ZN_NO_ITEM;
+    wi->new_part = ZN_NO_PART;
   }
 
-  if ((wi->new_item == wi->current_item) && (wi->new_part == wi->current_part)
-#ifdef LEFT_GRAB
-      && !(wi->events_flags & LEFT_GRABBED_ITEM)
-#endif
-      ) {
+  /*printf("------ PickCurrentItem current: %d %d, new %d %d\n",
+	 wi->current_item==ZN_NO_ITEM?0:wi->current_item->id, wi->current_part,
+	 wi->new_item==ZN_NO_ITEM?0:wi->new_item->id, wi->new_part);*/
+
+  if ((wi->new_item == wi->current_item) && (wi->new_part == wi->current_part) &&
+      !(wi->events_flags & LEFT_GRABBED_ITEM)) {
     /*
      * Nothing to do:  the current item/part hasn't changed.
      */
@@ -4991,12 +4988,7 @@ PickCurrentItem(WidgetInfo	*wi,
    * calling leave when the grab is released.
    */
   if (((wi->new_item != wi->current_item) || (wi->new_part != wi->current_part)) &&
-      (wi->current_item != ZN_NO_ITEM)
-#ifdef LEFT_GRAB
-      && !(wi->events_flags & LEFT_GRABBED_ITEM)
-      && !prev_left_grabbed_item
-#endif
-      ) {
+      (wi->current_item != ZN_NO_ITEM) && !(wi->events_flags & LEFT_GRABBED_ITEM)) {
     XEvent event;
     Item   item = wi->current_item;
     
@@ -5019,7 +5011,7 @@ PickCurrentItem(WidgetInfo	*wi,
      * event handler for <LeaveNotify> that deletes the current item.
      */
     if ((item == wi->current_item) && !button_down) {
-      /*printf("Removing 'current' to %d\n", wi->current_item->id);*/
+      /*printf("^^^ Removing 'current' from %d\n", wi->current_item->id);*/
       ITEM.RemoveTag(item, current_uid);
     }    
     /*
@@ -5028,40 +5020,40 @@ PickCurrentItem(WidgetInfo	*wi,
      * item was deleted.
      */
   }
-#ifdef LEFT_GRAB
   if (((wi->new_item != wi->current_item) ||
        (wi->new_part != wi->current_part)) && button_down) {
     wi->events_flags |= LEFT_GRABBED_ITEM;
     return;
   }
-#endif
 
-#ifdef LEFT_GRAB
   /*
    * Special note:  it's possible that wi->new_item == wi->current_item
    * here. This can happen, for example, if LEFT_GRABBED_ITEM was set or
    * if there is only a change in the part number.
    */
   wi->events_flags &= ~LEFT_GRABBED_ITEM;
-#endif
+
   /*
-   * Added to enable DoEvent to make a special case for enter/leaves
-   * between fields in the same item. It may interact with
-   * LEFT_GRABBED_ITEM.
-   */
+   * Tentative pour éviter d'enlever puis de remettre
+   * le tag current sur le même item en ces de changement
+   * de partie. Ca marche pas pour l'instant.
   if (wi->current_item != wi->new_item) {
     if (wi->current_item != ZN_NO_ITEM) {
-      /*printf("***Removing 'current' to %d\n", wi->current_item->id);*/
+      printf("vvv Removing 'current' from %d\n", wi->current_item->id);
       ITEM.RemoveTag(wi->current_item, current_uid);
     }
-    wi->current_item = wi->new_item;
-    wi->new_item = ZN_NO_ITEM;
-  }
+    }*/
+  wi->current_item = wi->new_item;
   wi->current_part = wi->new_part;
+  /*
+   * Added to enable DoEvent to make a special case for enter/leaves
+   * between fields in the same item. It may interact with
+   * LEFT_GRABBED_ITEM.
+   */
+  wi->new_item = ZN_NO_ITEM;
 
   if (wi->current_item != ZN_NO_ITEM) {
     XEvent event;
-    
     /*
      * Add the tag 'current' to the current item under the pointer.
      */
-- 
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