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rio: give visual clue during sweep and bandsizing when window is too small

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We color the window border with a dark red in case the
window is too small.
This commit is contained in:
cinap_lenrek 2020-12-06 14:50:50 +01:00
parent bf2a6f7865
commit a0d12784bd
3 changed files with 30 additions and 24 deletions
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1
sys/src/cmd/rio/dat.h
View file

@ -325,6 +325,7 @@ Image *lightholdcol;
Image *paleholdcol;
Image *paletextcol;
Image *sizecol;
Image *badsizecol;
int reverse; /* there are no pastel paints in the dungeons and dragons world -- rob pike */
Window **window;

1
sys/src/cmd/rio/data.c
View file

@ -196,6 +196,7 @@ iconinit(void)
paleholdcol = allocimage(display, Rect(0,0,1,1), CMAP8, 1, DPalegreyblue);
paletextcol = allocimage(display, Rect(0,0,1,1), CMAP8, 1, 0x666666FF^reverse);
sizecol = allocimage(display, Rect(0,0,1,1), CMAP8, 1, DRed);
badsizecol = allocimage(display, Rect(0,0,1,1), CMAP8, 1, 0x880000FF);
if(reverse == 0)
holdcol = dholdcol;

52
sys/src/cmd/rio/rio.c
View file

@ -826,7 +826,7 @@ sweep(void)
if(i == nil)
goto Rescue;
oi = i;
border(i, r, Selborder, sizecol, ZP);
border(i, r, Selborder, goodrect(r)?sizecol:badsizecol, ZP);
draw(i, insetrect(r, Selborder), cols[BACK], nil, ZP);
}
}
@ -858,7 +858,7 @@ sweep(void)
}
void
drawedge(Image **bp, Rectangle r)
drawedge(Image **bp, Image *col, Rectangle r)
{
Image *b = *bp;
if(b != nil && Dx(b->r) == Dx(r) && Dy(b->r) == Dy(r))
@ -866,28 +866,30 @@ drawedge(Image **bp, Rectangle r)
else{
freeimage(b);
b = allocwindow(wscreen, r, Refbackup, DNofill);
if(b != nil) draw(b, r, sizecol, nil, ZP);
if(b != nil) draw(b, r, col, nil, ZP);
*bp = b;
}
}
void
drawborder(Rectangle r, int show)
drawborder(Rectangle r, Image *col)
{
static Image *b[4];
int i;
if(show == 0){
for(i = 0; i < 4; i++){
freeimage(b[i]);
b[i] = nil;
}
}else{
r = canonrect(r);
drawedge(&b[0], Rect(r.min.x, r.min.y, r.min.x+Borderwidth, r.max.y));
drawedge(&b[1], Rect(r.min.x+Borderwidth, r.min.y, r.max.x-Borderwidth, r.min.y+Borderwidth));
drawedge(&b[2], Rect(r.max.x-Borderwidth, r.min.y, r.max.x, r.max.y));
drawedge(&b[3], Rect(r.min.x+Borderwidth, r.max.y-Borderwidth, r.max.x-Borderwidth, r.max.y));
static Image *b[4], *lastcol;
if(col != lastcol){
freeimage(b[0]), b[0] = nil;
freeimage(b[1]), b[1] = nil;
freeimage(b[2]), b[2] = nil;
freeimage(b[3]), b[3] = nil;
}
if(col != nil){
r = canonrect(r);
drawedge(&b[0], col, Rect(r.min.x, r.min.y, r.min.x+Borderwidth, r.max.y));
drawedge(&b[1], col, Rect(r.min.x+Borderwidth, r.min.y, r.max.x-Borderwidth, r.min.y+Borderwidth));
drawedge(&b[2], col, Rect(r.max.x-Borderwidth, r.min.y, r.max.x, r.max.y));
drawedge(&b[3], col, Rect(r.min.x+Borderwidth, r.max.y-Borderwidth, r.max.x-Borderwidth, r.max.y));
}
lastcol = col;
}
Image*
@ -902,17 +904,17 @@ drag(Window *w)
dm = subpt(om, w->screenr.min);
d = subpt(w->screenr.max, w->screenr.min);
op = subpt(om, dm);
drawborder(Rect(op.x, op.y, op.x+d.x, op.y+d.y), 1);
drawborder(Rect(op.x, op.y, op.x+d.x, op.y+d.y), sizecol);
while(mouse->buttons==4){
p = subpt(mouse->xy, dm);
if(!eqpt(p, op)){
drawborder(Rect(p.x, p.y, p.x+d.x, p.y+d.y), 1);
drawborder(Rect(p.x, p.y, p.x+d.x, p.y+d.y), sizecol);
op = p;
}
readmouse(mousectl);
}
r = Rect(op.x, op.y, op.x+d.x, op.y+d.y);
drawborder(r, 0);
drawborder(r, nil);
p = mouse->xy;
riosetcursor(inborder(r, p) ? corners[whichcorner(r, p)] : nil);
menuing = FALSE;
@ -936,7 +938,7 @@ bandsize(Window *w)
or = w->screenr;
but = mouse->buttons;
startp = onscreen(mouse->xy);
drawborder(or, 1);
drawborder(or, sizecol);
while(mouse->buttons == but) {
p = onscreen(mouse->xy);
which = whichcorner(or, p);
@ -945,13 +947,15 @@ bandsize(Window *w)
riosetcursor(corners[which]);
}
r = whichrect(or, p, owhich);
if(!eqrect(r, or) && goodrect(r)){
if(!eqrect(r, or)){
drawborder(r, goodrect(r)?sizecol:badsizecol);
or = r;
drawborder(r, 1);
}
readmouse(mousectl);
}
drawborder(or, 0);
drawborder(or, nil);
if(!goodrect(or))
riosetcursor(nil);
if(mouse->buttons!=0 || !goodrect(or) || eqrect(or, w->screenr)
|| abs(p.x-startp.x)+abs(p.y-startp.y) <= 1){
flushimage(display, 1);