ttag tweak - plan9port - [fork] Plan 9 from user space

git clone git://src.adamsgaard.dk/plan9port

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---

commit ad80f8701dbe465dba573051f725729375947a39

parent d3285dcb5cd45ccea1e9a7cf439f61f771f08274

Author: rsc 

Date:   Fri, 16 Dec 2005 19:34:13 +0000

ttag tweak

Diffstat:
  M src/cmd/acme/wind.c                 |      23 +++++++++++------------

1 file changed, 11 insertions(+), 12 deletions(-)
---

diff --git a/src/cmd/acme/wind.c b/src/cmd/acme/wind.c

t@@ -117,25 +117,15 @@ wintaglines(Window *w, Rectangle r)
         bufread(&w->tag.file->b, w->tag.file->b.nc-1, &rune, 1);
         if(rune == '\n')
                 n++;
-
-        /* cannot magically shrink tag - would lose focus */
-        if(n < w->taglines)
-                n = w->taglines;
-
-        /* on initial expansion, create an extra line */
-        if(n < 2){
-                rune = '\n';
-                textinsert(&w->tag, w->tag.file->b.nc, &rune, 1, TRUE);
-                n = 2;
-        }
         return n;
 }
 
 int
 winresize(Window *w, Rectangle r, int safe, int keepextra)
 {
-        int y;
+        int y, mouseintag;
         Image *b;
+        Point p;
         Rectangle br, r1;
 
 if(0) fprint(2, "winresize %d %R safe=%d keep=%d h=%d\n", w->id, r, safe, keepextra, font->height);
t@@ -149,7 +139,9 @@ if(0) fprint(2, "winresize %d %R safe=%d keep=%d h=%d\n", w->id, r, safe, keepex
         r1 = r;
         r1.max.y = min(r.max.y, r1.min.y + w->taglines*font->height);
         y = r1.max.y;
+        mouseintag = ptinrect(mouse->xy, w->tag.all);
         if(1 || !safe || !w->tagsafe || !eqrect(w->tag.all, r1)){
+
                 w->taglines = wintaglines(w, r);
                 w->tagsafe = TRUE;
         }
t@@ -170,6 +162,13 @@ if(0) fprint(2, "=> %R (%R)\n", w->tag.all, w->tag.fr.r);
                 br.max.x = br.min.x + Dx(b->r);
                 br.max.y = br.min.y + Dy(b->r);
                 draw(screen, br, b, nil, b->r.min);
+/* TAG */
+                if(mouseintag && !ptinrect(mouse->xy, w->tag.all)){
+                        p = mouse->xy;
+                        p.y = w->tag.all.max.y-3;
+                        moveto(mousectl, p);
+                }
+/* END TAG */
         }