tacme: revise multiline tag code - plan9port - [fork] Plan 9 from user space
(HTM) git clone git://src.adamsgaard.dk/plan9port
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---
(DIR) commit a2db69c8bda889f30ea38dae5473689cde108458
(DIR) parent cb1ac4c41dd0c1bfb621685cc2f6e73c7e369f57
(HTM) Author: Russ Cox <rsc@swtch.com>
Date: Fri, 7 Mar 2008 11:07:17 -0500
acme: revise multiline tag code
Diffstat:
M src/cmd/acme/cols.c | 53 +++++++++++++++----------------
M src/cmd/acme/mkfile | 16 ++++++++++++++++
M src/cmd/acme/rows.c | 23 ++++++-----------------
M src/cmd/acme/text.c | 31 ++++---------------------------
M src/cmd/acme/wind.c | 42 +++++++++++---------------------
5 files changed, 66 insertions(+), 99 deletions(-)
---
(DIR) diff --git a/src/cmd/acme/cols.c b/src/cmd/acme/cols.c
t@@ -53,7 +53,7 @@ coladd(Column *c, Window *w, Window *clone, int y)
{
Rectangle r, r1;
Window *v;
- int i, j, minht, t;
+ int i, j, minht, ymax;
v = nil;
r = c->r;
t@@ -72,31 +72,38 @@ coladd(Column *c, Window *w, Window *clone, int y)
if(i < c->nw)
i++; /* new window will go after v */
/*
- * if v's too small, grow it first.
+ * if landing window (v) is too small, grow it first.
*/
minht = v->tag.fr.font->height+Border+1;
j = 0;
while(!c->safe || v->body.fr.maxlines<=3 || Dy(v->body.all) <= minht){
if(++j > 10){
-fprint(2, "oops: dy=%d\n", Dy(v->body.all));
+ fprint(2, "coladd: bug dy=%d\n", Dy(v->body.all));
break;
}
colgrow(c, v, 1);
}
+
+ /*
+ * figure out where to split v to make room for w
+ */
if(i == c->nw)
- t = c->r.max.y;
+ ymax = c->r.max.y;
else
- t = c->w[i]->r.min.y-Border;
+ ymax = c->w[i]->r.min.y-Border;
y = min(y, v->body.all.min.y+Dy(v->body.all)/2);
- if(t - y < minht)
- y = t - minht;
- if(y < v->body.all.min.y)
- y = v->body.all.min.y;
+ y = min(y, ymax - minht);
+ y = max(y, v->body.all.min.y);
+ ymax = max(ymax, y+minht);
r = v->r;
- r.max.y = t;
+ r.max.y = ymax;
+
+ /*
+ * redraw w
+ */
draw(screen, r, textcols[BACK], nil, ZP);
r1 = r;
- y = min(y, t-(v->tag.fr.font->height*v->taglines+v->body.fr.font->height+Border+1));
+ y = min(y, ymax-(v->tag.fr.font->height*v->taglines+v->body.fr.font->height+Border+1));
r1.max.y = min(y, v->body.fr.r.min.y+v->body.fr.nlines*v->body.fr.font->height);
r1.min.y = winresize(v, r1, FALSE, FALSE);
r1.max.y = r1.min.y+Border;
t@@ -151,8 +158,8 @@ colclose(Column *c, Window *w, int dofree)
windelete(w);
winclose(w);
}
- memmove(c->w+i, c->w+i+1, (c->nw-i-1)*sizeof(Window*));
c->nw--;
+ memmove(c->w+i, c->w+i+1, (c->nw-i)*sizeof(Window*));
c->w = realloc(c->w, c->nw*sizeof(Window*));
if(c->nw == 0){
draw(screen, r, display->white, nil, ZP);
t@@ -219,8 +226,7 @@ colresize(Column *c, Rectangle r)
r1.max.y = r.max.y;
else
r1.max.y = r1.min.y+(Dy(w->r)+Border)*Dy(r)/Dy(c->r);
- if(Dy(r1) < Border+font->height)
- r1.max.y = r1.min.y + Border+font->height;
+ r1.max.y = max(r1.max.y, r1.min.y + Border+font->height);
r2 = r1;
r2.max.y = r2.min.y+Border;
draw(screen, r2, display->black, nil, ZP);
t@@ -307,7 +313,7 @@ colgrow(Column *c, Window *w, int but)
if(i==c->nw-1 || c->safe==FALSE)
r.max.y = cr.max.y;
else
- r.max.y = c->w[i+1]->r.min.y-Border;
+ r.max.y = c->w[i+1]->r.min.y - Border;
winresize(w, r, FALSE, TRUE);
return;
}
t@@ -342,7 +348,7 @@ colgrow(Column *c, Window *w, int but)
}
nnl = min(onl + max(min(5, w->taglines-1+w->maxlines), onl/2), tot);
if(nnl < w->taglines-1+w->maxlines)
- nnl = (w->taglines-1+w->maxlines+nnl)/2;
+ nnl = (w->taglines-1+w->maxlines + nnl)/2;
if(nnl == 0)
nnl = 2;
dnl = nnl - onl;
t@@ -400,7 +406,7 @@ colgrow(Column *c, Window *w, int but)
if(Dy(r) < Dy(w->tagtop)+1+h+Border)
r.max.y = r.min.y + Dy(w->tagtop)+1+h+Border;
/* draw window */
- winresize(w, r, c->safe, TRUE);
+ r.max.y = winresize(w, r, c->safe, i==c->nw-1);
if(i < c->nw-1){
r.min.y = r.max.y;
r.max.y += Border;
t@@ -417,7 +423,7 @@ colgrow(Column *c, Window *w, int but)
r.max.y = y1+Dy(v->tagtop);
if(nl[j])
r.max.y += 1 + nl[j]*v->body.fr.font->height;
- y1 = winresize(v, r, c->safe, j+1==c->nw);
+ y1 = winresize(v, r, c->safe, j==c->nw-1);
if(j < c->nw-1){ /* no border on last window */
r.min.y = y1;
r.max.y += Border;
t@@ -425,12 +431,6 @@ colgrow(Column *c, Window *w, int but)
y1 = r.max.y;
}
}
-/*
- r = w->r;
- r.min.y = y1;
- r.max.y = c->r.max.y;
- draw(screen, r, textcols[BACK], nil, ZP);
-*/
free(nl);
free(ny);
c->safe = TRUE;
t@@ -465,9 +465,8 @@ coldragwin(Column *c, Window *w, int but)
error("can't find window");
Found:
-/* TAG - force recompute tag size (if in auto-expand mode) on mouse op. */
- w->taglines = 1;
-/* END TAG */
+ if(w->tagexpand) /* force recomputation of window tag size */
+ w->taglines = 1;
p = mouse->xy;
if(abs(p.x-op.x)<5 && abs(p.y-op.y)<5){
colgrow(c, w, but);
(DIR) diff --git a/src/cmd/acme/mkfile b/src/cmd/acme/mkfile
t@@ -33,3 +33,19 @@ HFILES=dat.h\
<$PLAN9/src/mkdirs
edit.$O ecmd.$O elog.$O: edit.h
+
+likeplan9:V:
+ mkdir -p likeplan9
+ rm -f likeplan9/*
+ for i in *.c
+ do
+ 9 sed 's/->(fcall|lk|b|fr|ref|m|u|u1)\./->/g;
+ s/\.(fcall|lk|b|fr|ref|m|u|u1)([^a-zA-Z0-9_])/\2/g
+ s/&(([a-zA-Z0-9_]|->|\.)*)->(fcall|lk|b|fr|ref|m|u|u1)([^a-zA-Z0-9_])/\1\4/g
+ s/range\(([^,()]+), ([^,()]+)\)/(Range){\1, \2}/g
+ ' $i >likeplan9/$i
+ done
+
+diffplan9:V:
+ mk likeplan9
+ 9 diff -n plan9 likeplan9 | sed 's;likeplan9/;;'
(DIR) diff --git a/src/cmd/acme/rows.c b/src/cmd/acme/rows.c
t@@ -217,8 +217,8 @@ rowclose(Row *row, Column *c, int dofree)
r = c->r;
if(dofree)
colcloseall(c);
- memmove(row->col+i, row->col+i+1, (row->ncol-i)*sizeof(Column*));
row->ncol--;
+ memmove(row->col+i, row->col+i+1, (row->ncol-i)*sizeof(Column*));
row->col = realloc(row->col, row->ncol*sizeof(Column*));
if(row->ncol == 0){
draw(screen, r, display->white, nil, ZP);
t@@ -282,17 +282,13 @@ rowtype(Row *row, Rune r, Point p)
else{
winlock(w, 'K');
wintype(w, t, r);
-/*
- * TAG If we typed in the tag, might need to make it
- * bigger to show text. \n causes tag to expand.
- */
+ /* Expand tag if necessary */
if(t->what == Tag){
t->w->tagsafe = FALSE;
if(r == '\n')
t->w->tagexpand = TRUE;
winresize(w, w->r, TRUE, TRUE);
}
-/* END TAG */
winunlock(w);
}
}
t@@ -319,7 +315,7 @@ rowdump(Row *row, char *file)
uint q0, q1;
Biobuf *b;
char *buf, *a, *fontname;
- Rune *r, *rp;
+ Rune *r;
Column *c;
Window *w, *w1;
Text *t;
t@@ -417,17 +413,10 @@ rowdump(Row *row, char *file)
Bwrite(b, buf, strlen(buf));
m = min(RBUFSIZE, w->tag.file->b.nc);
bufread(&w->tag.file->b, 0, r, m);
- if(dodollarsigns && r[0] == '$'){
- rp = runestrdup(r);
- expandenv(&rp, (uint*)&m);
- }else
- rp = r;
n = 0;
- while(n<m && rp[n]!='\n')
+ while(n<m && r[n]!='\n')
n++;
- Bprint(b, "%.*S\n", n, rp);
- if(rp != r)
- free(rp);
+ Bprint(b, "%.*S\n", n, r);
if(dumped){
q0 = 0;
q1 = t->file->b.nc;
t@@ -705,6 +694,7 @@ rowload(Row *row, char *file, int initing)
Bterm(bout);
free(bout);
close(fd);
+ remove(buf);
goto Rescue2;
}
Bputrune(bout, rune);
t@@ -731,7 +721,6 @@ rowload(Row *row, char *file, int initing)
w->maxlines = min(w->body.fr.nlines, max(w->maxlines, w->body.fr.maxlines));
}
Bterm(b);
-
fbuffree(buf);
return TRUE;
(DIR) diff --git a/src/cmd/acme/text.c b/src/cmd/acme/text.c
t@@ -75,7 +75,7 @@ textresize(Text *t, Rectangle r, int keepextra)
if(Dy(r) <= 0)
r.max.y = r.min.y;
- if(!keepextra)
+ else if(!keepextra)
r.max.y -= Dy(r)%t->fr.font->height;
odx = Dx(t->all);
t->all = r;
t@@ -84,8 +84,9 @@ textresize(Text *t, Rectangle r, int keepextra)
t->lastsr = nullrect;
r.min.x += Scrollwid+Scrollgap;
frclear(&t->fr, 0);
- textredraw(t, r, t->fr.font, screen, odx);
+ textredraw(t, r, t->fr.font, t->fr.b, odx);
if(keepextra && t->fr.r.max.y < t->all.max.y){
+ /* draw background in bottom fringe of window */
r.min.x -= Scrollgap;
r.min.y = t->fr.r.max.y;
r.max.y = t->all.max.y;
t@@ -197,7 +198,7 @@ textload(Text *t, uint q0, char *file, int setqid)
char *tmp;
Text *u;
- if(t->ncache!=0 || t->file->b.nc || t->w==nil || t!=&t->w->body || (t->w->isdir && t->file->nname==0))
+ if(t->ncache!=0 || t->file->b.nc || t->w==nil || t!=&t->w->body)
error("text.load");
if(t->w->isdir && t->file->nname==0){
warning(nil, "empty directory name");
t@@ -653,20 +654,13 @@ texttype(Text *t, Rune r)
uint q0, q1;
int nnb, nb, n, i;
int nr;
- Point p;
Rune *rp;
Text *u;
-/*
- * TAG
- * Used to disallow \n in tag here.
- * Also if typing in tag, mark that resize might be necessary.
- */
if(t->what!=Body && t->what!=Tag && r=='\n')
return;
if(t->what == Tag)
t->w->tagsafe = FALSE;
-/* END TAG */
nr = 1;
rp = &r;
t@@ -684,17 +678,13 @@ texttype(Text *t, Rune r)
}
return;
case Kdown:
-/* TAG */
if(t->what == Tag)
goto Tagdown;
-/* END TAG */
n = t->fr.maxlines/3;
goto case_Down;
case Kscrollonedown:
-/* TAG */
if(t->what == Tag)
goto Tagdown;
-/* END TAG */
n = mousescrollsize(t->fr.maxlines);
if(n <= 0)
n = 1;
t@@ -706,17 +696,13 @@ texttype(Text *t, Rune r)
textsetorigin(t, q0, TRUE);
return;
case Kup:
-/* TAG */
if(t->what == Tag)
goto Tagup;
-/* END TAG */
n = t->fr.maxlines/3;
goto case_Up;
case Kscrolloneup:
-/* TAG */
if(t->what == Tag)
goto Tagup;
-/* END TAG */
n = mousescrollsize(t->fr.maxlines);
goto case_Up;
case Kpgup:
t@@ -748,7 +734,6 @@ texttype(Text *t, Rune r)
q0++;
textshow(t, q0, q0, TRUE);
return;
-/* TAG policy here */
Tagdown:
/* expand tag to show all text */
if(!t->w->tagexpand){
t@@ -762,17 +747,9 @@ texttype(Text *t, Rune r)
if(t->w->tagexpand){
t->w->tagexpand = FALSE;
t->w->taglines = 1;
- /* move mouse to stay in tag */
- p = mouse->xy;
- if(ptinrect(p, t->w->tag.all)
- && !ptinrect(p, t->w->tagtop)){
- p.y = t->w->tagtop.min.y + Dy(t->w->tagtop)/2;
- moveto(mousectl, p);
- }
winresize(t->w, t->w->r, FALSE, TRUE);
}
return;
-/* END TAG */
}
if(t->what == Body){
seq++;
(DIR) diff --git a/src/cmd/acme/wind.c b/src/cmd/acme/wind.c
t@@ -36,8 +36,8 @@ wininit(Window *w, Window *clone, Rectangle r)
w->tagtop = r;
w->tagtop.max.y = r.min.y + font->height;
-
r1.max.y = r1.min.y + w->taglines*font->height;
+
incref(&reffont.ref);
f = fileaddtext(nil, &w->tag);
textinit(&w->tag, f, r1, &reffont, tagcols);
t@@ -53,7 +53,6 @@ wininit(Window *w, Window *clone, Rectangle r)
filereset(w->tag.file);
textsetselect(&w->tag, nc, nc);
}
-/*assert(w->body.w == w); */
r1 = r;
r1.min.y += w->taglines*font->height + 1;
if(r1.max.y < r1.min.y)
t@@ -66,7 +65,6 @@ wininit(Window *w, Window *clone, Rectangle r)
rf = rfget(FALSE, FALSE, FALSE, clone->body.reffont->f->name);
}else
rf = rfget(FALSE, FALSE, FALSE, nil);
-/*assert(w->body.w == w); */
f = fileaddtext(f, &w->body);
w->body.what = Body;
textinit(&w->body, f, r1, rf, textcols);
t@@ -82,7 +80,6 @@ wininit(Window *w, Window *clone, Rectangle r)
w->filemenu = TRUE;
w->maxlines = w->body.fr.maxlines;
w->autoindent = globalautoindent;
-/*assert(w->body.w == w); */
if(clone){
w->dirty = clone->dirty;
w->autoindent = clone->autoindent;
t@@ -119,8 +116,6 @@ wintaglines(Window *w, Rectangle r)
int n;
Rune rune;
-/* TAG policy here */
-
if(!w->tagexpand)
return 1;
w->tag.fr.noredraw = 1;
t@@ -151,57 +146,50 @@ winresize(Window *w, Rectangle r, int safe, int keepextra)
Point p;
Rectangle r1;
-if(0) fprint(2, "winresize %d %R safe=%d keep=%d h=%d\n", w->id, r, safe, keepextra, font->height);
+ /* tagtop is first line of tag */
w->tagtop = r;
w->tagtop.max.y = r.min.y+font->height;
-/*
- * TAG If necessary, recompute the number of lines that should
- * be in the tag.
- */
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(!safe || !w->tagsafe || !eqrect(w->tag.all, r1))
+
+ /* If needed, recompute number of lines in tag. */
+ if(!safe || !w->tagsafe || !eqrect(w->tag.all, r1)){
w->taglines = wintaglines(w, r);
-/* END TAG */
+ r1.max.y = min(r.max.y, r1.min.y + w->taglines*font->height);
+ }
- r1 = r;
- r1.max.y = min(r.max.y, r1.min.y + w->taglines*font->height);
+ /* If needed, resize & redraw tag. */
y = r1.max.y;
tagresized = 0;
-if(0) fprint(2, "winresize tag %R %R\n", w->tag.all, r1);
if(!safe || !w->tagsafe || !eqrect(w->tag.all, r1)){
tagresized = 1;
-if(0) fprint(2, "resize tag %R => %R\n", w->tag.all, r1);
textresize(&w->tag, r1, TRUE);
-if(0) fprint(2, "=> %R (%R)\n", w->tag.all, w->tag.fr.r);
y = w->tag.fr.r.max.y;
windrawbutton(w);
w->tagsafe = TRUE;
-/* TAG */
+
/* If mouse is in tag, pull up as tag closes. */
if(mouseintag && !ptinrect(mouse->xy, w->tag.all)){
p = mouse->xy;
p.y = w->tag.all.max.y-3;
moveto(mousectl, p);
}
+
/* If mouse is in body, push down as tag expands. */
if(!mouseintag && ptinrect(mouse->xy, w->tag.all)){
p = mouse->xy;
p.y = w->tag.all.max.y+3;
moveto(mousectl, p);
}
-/* END TAG */
}
-
+ /* If needed, resize & redraw body. */
r1 = r;
r1.min.y = y;
if(tagresized || !safe || !eqrect(w->body.all, r1)){
oy = y;
-if(0) fprint(2, "resizing body; safe=%d all=%R r1=%R\n", safe, w->body.all, r1);
if(y+1+w->body.fr.font->height <= r.max.y){ /* room for one line */
r1.min.y = y;
r1.max.y = y+1;
t@@ -213,10 +201,9 @@ if(0) fprint(2, "resizing body; safe=%d all=%R r1=%R\n", safe, w->body.all, r1);
r1.min.y = y;
r1.max.y = y;
}
-if(0) fprint(2, "resizing body; new r=%R; r1=%R\n", r, r1);
+ y = textresize(&w->body, r1, keepextra);
w->r = r;
- w->r.max.y = textresize(&w->body, r1, keepextra);
-if(0) fprint(2, "after textresize: body.all=%R\n", w->body.all);
+ w->r.max.y = y;
textscrdraw(&w->body);
w->body.all.min.y = oy;
}
t@@ -354,6 +341,7 @@ winsetname(Window *w, Rune *name, int n)
int i;
static Rune Lslashguide[] = { '/', 'g', 'u', 'i', 'd', 'e', 0 };
static Rune Lpluserrors[] = { '+', 'E', 'r', 'r', 'o', 'r', 's', 0 };
+
t = &w->body;
if(runeeq(t->file->name, t->file->nname, name, n) == TRUE)
return;
t@@ -559,7 +547,6 @@ wincommit(Window *w, Text *t)
for(i=0; i<w->tag.file->b.nc; i++)
if(r[i]==' ' || r[i]=='\t')
break;
- expandenv(&r, (uint*)&i);
if(runeeq(r, i, w->body.file->name, w->body.file->nname) == FALSE){
seq++;
filemark(w->body.file);
t@@ -678,4 +665,3 @@ winevent(Window *w, char *fmt, ...)
sendp(x->c, nil);
}
}
-