void LCDisplayLineWrap(Layer *l, struct mline *ml, int y, int from, int to, int isblank)
{
struct mchar nc;
copy_mline2mchar(&nc, ml, 0);
if (dw_left(ml, 0, l->l_encoding)) {
nc.mbcs = ml->image[1];
from++;
}
LWrapChar(l, &nc, y - 1, -1, -1, false);
from++;
if (from <= to)
LCDisplayLine(l, ml, y, from, to, isblank);
}
void LInsChar(Layer *l, struct mchar *c, int x, int y, struct mline *ol)
{
int xs2, xe2, y2, f;
struct mchar *c2, cc;
struct mline *rol;
if (l->l_pause.d)
LayPauseUpdateRegion(l, x, l->l_width - 1, y, y);
for (Canvas *cv = l->l_cvlist; cv; cv = cv->c_lnext) {
if (l->l_pause.d && cv->c_slorient)
continue;
for (Viewport *vp = cv->c_vplist; vp; vp = vp->v_next) {
y2 = y + vp->v_yoff;
if (y2 < vp->v_ys || y2 > vp->v_ye)
continue;
xs2 = x + vp->v_xoff;
xe2 = l->l_width - 1 + vp->v_xoff;
c2 = c;
f = 0;
if (xs2 < vp->v_xs) {
xs2 = vp->v_xs;
c2 = &mchar_blank;
if (ol) {
int i;
i = xs2 - vp->v_xoff - 1;
if (i >= 0 && i < l->l_width) {
copy_mline2mchar(&cc, ol, i);
c2 = &cc;
}
} else
f = 1;
}
if (xe2 > vp->v_xe)
xe2 = vp->v_xe;
if (xs2 > xe2)
continue;
display = cv->c_display;
if (D_blocked)
continue;
rol = RECODE_MLINE(ol);
InsChar(RECODE_MCHAR(c2), xs2, xe2, y2, mlineoffset(rol, -vp->v_xoff));
if (f)
RefreshArea(xs2, y2, xs2, y2, 1);
}
}
}
/* tx, ty: WINDOW, line: DISPLAY */
void revto_line(int tx, int ty, int line)
{
int fx, fy;
int x, y, t, revst, reven, qq, ff, tt, st, en, ce = 0;
int ystart = 0, yend = fore->w_height - 1;
int i, ry;
uint32_t *wi;
struct mline *ml;
struct mchar mc;
if (tx < 0)
tx = 0;
else if (tx > fore->w_width - 1)
tx = fore->w_width - 1;
if (ty < 0)
ty = 0;
else if (ty > fore->w_histheight + fore->w_height - 1)
ty = fore->w_histheight + fore->w_height - 1;
fx = markdata->cx;
fy = markdata->cy;
/* don't just move inside of a kanji, the user wants to see something */
ml = WIN(ty);
if (ty == fy && fx + 1 == tx && dw_right(ml, tx, fore->w_encoding) && tx < D_width - 1)
tx++;
if (ty == fy && fx - 1 == tx && dw_right(ml, fx, fore->w_encoding) && tx)
tx--;
markdata->cx = tx;
markdata->cy = ty;
/*
* if we go to a position that is currently offscreen
* then scroll the screen
*/
i = 0;
if (line >= 0 && line < fore->w_height)
i = W2D(ty) - line;
else if (ty < markdata->hist_offset)
i = ty - markdata->hist_offset;
else if (ty > markdata->hist_offset + (fore->w_height - 1))
i = ty - markdata->hist_offset - (fore->w_height - 1);
if (i > 0)
yend -= MarkScrollUpDisplay(i);
else if (i < 0)
ystart += MarkScrollDownDisplay(-i);
if (markdata->second == 0) {
flayer->l_x = tx;
flayer->l_y = W2D(ty);
LGotoPos(flayer, tx, W2D(ty));
return;
}
qq = markdata->x1 + markdata->y1 * fore->w_width;
ff = fx + fy * fore->w_width; /* "from" offset in WIN coords */
tt = tx + ty * fore->w_width; /* "to" offset in WIN coords */
if (ff > tt) {
st = tt;
en = ff;
x = tx;
y = ty;
} else {
st = ff;
en = tt;
x = fx;
y = fy;
}
if (st > qq) {
st++;
x++;
}
if (en < qq)
en--;
if (tt > qq) {
revst = qq;
reven = tt;
} else {
revst = tt;
reven = qq;
}
ry = y - markdata->hist_offset;
if (ry < ystart) {
y += (ystart - ry);
x = 0;
st = y * fore->w_width;
ry = ystart;
}
ml = WIN(y);
for (t = st; t <= en; t++, x++) {
if (x >= fore->w_width) {
x = 0;
y++, ry++;
ml = WIN(y);
}
if (ry > yend)
break;
if (t == st || x == 0) {
wi = ml->image + fore->w_width;
for (ce = fore->w_width; ce >= 0; ce--, wi--)
if (*wi != ' ')
break;
}
if (x <= ce && x >= markdata->left_mar && x <= markdata->right_mar) {
if (dw_right(ml, x, fore->w_encoding)) {
if (t == revst)
revst--;
t--;
x--;
}
if (t >= revst && t <= reven) {
mc = mchar_so;
if (pastefont) {
mc.font = ml->font[x];
mc.fontx = ml->fontx[x];
}
mc.image = ml->image[x];
} else
copy_mline2mchar(&mc, ml, x);
if (dw_left(ml, x, fore->w_encoding)) {
mc.mbcs = ml->image[x + 1];
LPutChar(flayer, &mc, x, W2D(y));
t++;
}
LPutChar(flayer, &mc, x, W2D(y));
if (dw_left(ml, x, fore->w_encoding))
x++;
}
}
flayer->l_x = tx;
flayer->l_y = W2D(ty);
LGotoPos(flayer, tx, W2D(ty));
}
