ref: a757798f9113eeb71a57f24fa0edc9600eb62a8c
dir: /vdiff-shed/
diff 3637e076560fdb3cb06ccd88ab08c530f931c558 uncommitted
--- a/vdiff.c
+++ b/vdiff.c
@@ -39,7 +39,7 @@
Rectangle scrposr;
Rectangle listr;
Rectangle textr;
-Image *cols[Ncols];
+Image *cols[Ncols], *bgcols[Ncols];
Image *scrollbg;
int scrollsize;
int lineh;
@@ -48,28 +48,36 @@
Line **lines;
int lsize;
int lcount;
+int maxlength;
+int Δpan;
const char ellipsis[] = "...";
void
drawline(Rectangle r, Line *l)
{
- Image *bg;
+ int nc, tab, off;
Point p;
Rune rn;
char *s;
- bg = cols[l->t];
- draw(screen, r, bg, nil, ZP);
+ draw(screen, r, bgcols[l->t], nil, ZP);
p = Pt(r.min.x + Hpadding, r.min.y + (Dy(r)-font->height)/2);
- for(s = l->s; *s; s++){
- if(*s == '\t')
- p = string(screen, p, display->black, ZP, font, " ");
- else if((p.x+Hpadding+stringwidth(font, " ")+stringwidth(font, ellipsis)>=textr.max.x)){
- string(screen, p, display->black, ZP, font, ellipsis);
+ off = Δpan / stringwidth(font, " ");
+ for(s = l->s, nc = 0, tab = 0; *s; nc++, off--, tab--){
+ if(*s == '\t'){
+ tab = 4 - nc % 4;
+ s++;
+ }
+ if(tab > 0){
+ if(off <= 0)
+ p = runestring(screen, p, bgcols[l->t], ZP, font, L"█");
+ }else if((p.x+Hpadding+stringwidth(font, " ")+stringwidth(font, ellipsis)>=textr.max.x)){
+ string(screen, p, display->white, ZP, font, ellipsis);
break;
}else{
- s += chartorune(&rn, s) - 1;
- p = runestringn(screen, p, display->black, ZP, font, &rn, 1);
+ s += chartorune(&rn, s);
+ if(off <= 0)
+ p = runestringn(screen, p, cols[l->t], ZP, font, &rn, 1);
}
}
}
@@ -80,8 +88,8 @@
Rectangle lr;
int i, h, y;
- draw(screen, sr, display->white, nil, ZP);
- draw(screen, scrollr, scrollbg, nil, ZP);
+ draw(screen, sr, display->black, nil, ZP);
+ draw(screen, scrollr, display->black, nil, ZP);
if(lcount>0){
h = ((double)nlines/lcount)*Dy(scrollr);
y = ((double)offset/lcount)*Dy(scrollr);
@@ -88,7 +96,7 @@
scrposr = Rect(scrollr.min.x, scrollr.min.y+y, scrollr.max.x-1, scrollr.min.y+y+h);
}else
scrposr = Rect(scrollr.min.x, scrollr.min.y, scrollr.max.x-1, scrollr.max.y);
- draw(screen, scrposr, display->white, nil, ZP);
+ draw(screen, scrposr, scrollbg, nil, ZP);
for(i=0; i<nlines && offset+i<lcount; i++){
lr = Rect(textr.min.x, textr.min.y+i*lineh, textr.max.x, textr.min.y+(i+1)*lineh);
drawline(lr, lines[offset+i]);
@@ -96,6 +104,20 @@
}
void
+pan(int off)
+{
+ int max;
+
+ max = Hpadding + maxlength * stringwidth(font, " ") + 2 * stringwidth(font, ellipsis) - Dx(textr);
+ Δpan += off * stringwidth(font, " ");
+ if(Δpan < 0 || max <= 0)
+ Δpan = 0;
+ else if(Δpan > max)
+ Δpan = max;
+ redraw();
+}
+
+void
scroll(int off)
{
if(off<0 && offset<=0)
@@ -136,8 +158,9 @@
textr = insetrect(listr, Margin);
lineh = Vpadding+font->height+Vpadding;
nlines = Dy(textr)/lineh;
- offset = 0;
scrollsize = mousescrollsize(nlines);
+ if(offset > 0 && offset+nlines>lcount)
+ offset = lcount-nlines+1;
redraw();
}
@@ -147,12 +170,17 @@
Rectangle cr;
cr = Rect(0, 0, 1, 1);
- cols[Lfile] = allocimage(display, cr, screen->chan, 1, 0xefefefff);
- cols[Lsep] = allocimage(display, cr, screen->chan, 1, 0xeaffffff);
- cols[Ladd] = allocimage(display, cr, screen->chan, 1, 0xe6ffedff);
- cols[Ldel] = allocimage(display, cr, screen->chan, 1, 0xffeef0ff);
- cols[Lnone] = display->white;
- scrollbg = allocimage(display, cr, screen->chan, 1, 0x999999ff);
+ cols[Lfile] = allocimage(display, cr, screen->chan, 1, 0xE7DA36FF);
+ cols[Lsep] = allocimage(display, cr, screen->chan, 1, 0xBEBEBEFF);
+ cols[Ladd] = allocimage(display, cr, screen->chan, 1, 0x55DD55FF);
+ cols[Ldel] = allocimage(display, cr, screen->chan, 1, 0xDD5555FF);
+ cols[Lnone] = allocimage(display, cr, screen->chan, 1, 0x777777FF);
+ bgcols[Lfile] = allocimage(display, cr, screen->chan, 1, 0x222222FF);
+ bgcols[Lsep] = bgcols[Lfile];
+ bgcols[Ladd] = allocimage(display, cr, screen->chan, 1, 0x061106FF);
+ bgcols[Ldel] = allocimage(display, cr, screen->chan, 1, 0x060606FF);
+ bgcols[Lnone] = display->black;
+ scrollbg = cols[Lnone];
}
int
@@ -184,6 +212,8 @@
sysfatal("malloc: %r");
l->t = linetype(s);
l->s = s;
+ if(strlen(s) > maxlength)
+ maxlength = strlen(s);
l->l = n;
if(l->t != Lfile && l->t != Lsep)
l->f = f;
@@ -233,10 +263,13 @@
l = parseline(f, n, s);
if(l->t == Lfile && l->s[0] == '-' && strncmp(l->s+4, "a/", 2)==0)
ab = 1;
- if(l->t == Lfile && l->s[0] == '+'){
+ else if(l->t == Lfile && l->s[0] == '+'){
f = l->s+4;
- if(ab && strncmp(f, "b/", 2)==0)
+ if(ab && strncmp(f, "b/", 2)==0){
f += 1;
+ if(access(f, AEXIST) < 0)
+ f += 1;
+ }
t = strchr(f, '\t');
if(t!=nil)
*t = 0;
@@ -309,7 +342,7 @@
break;
}
- if(ev.mouse.buttons&4){
+ if(ev.mouse.buttons&2){
n = indexat(ev.mouse.xy);
if(n>=0 && lines[n+offset]->f != nil)
plumb(lines[n+offset]->f, lines[n+offset]->l);
@@ -335,6 +368,18 @@
break;
case Kpgdown:
scroll(nlines);
+ break;
+ case Kup:
+ scroll(-1);
+ break;
+ case Kdown:
+ scroll(1);
+ break;
+ case Kright:
+ pan(4);
+ break;
+ case Kleft:
+ pan(-4);
break;
}
break;