SvarDOSSvarDOS Packages

BlueGreycalmElegant

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Compare Revisions

• This comparison shows the changes necessary to convert path

  → //sved/trunk/sved.c @ 1309

  → //sved/trunk/sved.c @ 1310

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 1309 → Rev 1310

//sved/trunk/sved.c
53,7 → 53,6
};
struct linedb {
struct line far *topscreen;
struct line far *cursor;
unsigned short xoffset;
};
94,7 → 93,6
static void db_rewind(struct linedb *db) {
if (db->cursor == NULL) return;
while (db->cursor->prev) db->cursor = db->cursor->prev;
db->topscreen = db->cursor;
}
151,10 → 149,9
}
static void ui_refresh(const struct linedb *db, unsigned char screenw, unsigned char screenh, unsigned char uidirtyfrom, unsigned char uidirtyto) {
unsigned char y = 0;
static void ui_refresh(const struct linedb *db, unsigned char screenw, unsigned char screenh, unsigned char uidirtyfrom, unsigned char uidirtyto, unsigned char y) {
unsigned char len;
struct line far *l;
const struct line far *l;
#ifdef DBG_REFRESH
static char m = 'a';
162,9 → 159,13
if (m > 'z') m = 'a';
#endif
for (l = db->topscreen; l != NULL; l = l->next, y++) {
/* rewind cursor line to first line that needs redrawing */
for (l = db->cursor; y > uidirtyfrom; y--) l = l->prev;
/* skip lines that do not to be refreshed */
/* iterate over lines and redraw whatever needs to be redrawn */
for (; l != NULL; l = l->next, y++) {
/* skip lines that do not need to be refreshed */
if (y < uidirtyfrom) continue;
if (y > uidirtyto) break;
181,6 → 182,7
if (y == screenh - 2) break;
}
}
202,7 → 204,6
if (db->cursor->prev != NULL) {
db->cursor = db->cursor->prev;
if (*cursorposy == 0) {
db->topscreen = db->cursor;
*uidirtyfrom = 0;
*uidirtyto = 0xff;
} else {
235,7 → 236,6
if (*cursorposy < screenh - 2) {
*cursorposy += 1;
} else {
db->topscreen = db->topscreen->next;
*uidirtyfrom = 0;
*uidirtyto = 0xff;
}
297,8 → 297,6
db->cursor = newptr;
_fmemcpy(db->cursor->payload + db->cursor->len, db->cursor->next->payload, db->cursor->next->len + 1);
db->cursor->len += db->cursor->next->len;
/* update db->topscreen if needed */
if (cursorposy == 0) db->topscreen = db->cursor;
}
}
db->cursor->next = db->cursor->next->next;
434,7 → 432,7
mdr_cout_locate(cursorposy, cursorposx);
if (uidirtyfrom != 0xff) {
ui_refresh(&db, screenw, screenh, uidirtyfrom, uidirtyto);
ui_refresh(&db, screenw, screenh, uidirtyfrom, uidirtyto, cursorposy);
uidirtyfrom = 0xff;
}
479,7 → 477,6
uidirtyfrom = cursorposy;
cursorposy++;
} else {
db.topscreen = db.topscreen->next;
uidirtyfrom = 0;
}
uidirtyto = 0xff;
500,7 → 497,6
unsigned short off = db.xoffset + cursorposx;
if (n->prev) n->prev->next = n;
if (n->next) n->next->prev = n;
if (db.topscreen == db.cursor) db.topscreen = n;
db.cursor = n;
_fmemmove(db.cursor->payload + off + 1, db.cursor->payload + off, db.cursor->len - off + 1);
db.cursor->len += 1;