add dirty flag for lines
This commit is contained in:
Aurélien Aptel
parent
907cb8bfa6
commit
0dbf9c8c12
41
st.c
41
st.c
|
|
@ -111,6 +111,7 @@ typedef struct {
|
|||
int col; /* nb col */
|
||||
Line* line; /* screen */
|
||||
Line* alt; /* alternate screen */
|
||||
char* dirty; /* dirtyness of lines */
|
||||
TCursor c; /* cursor */
|
||||
int top; /* top scroll limit */
|
||||
int bot; /* bottom scroll limit */
|
||||
|
|
@ -203,6 +204,7 @@ static void tsetattr(int*, int);
|
|||
static void tsetchar(char*);
|
||||
static void tsetscroll(int, int);
|
||||
static void tswapscreen(void);
|
||||
static void tfulldirt(void);
|
||||
|
||||
static void ttynew(void);
|
||||
static void ttyread(void);
|
||||
|
|
@ -748,6 +750,14 @@ ttyresize(int x, int y) {
|
|||
fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
|
||||
}
|
||||
|
||||
void
|
||||
tfulldirt(void)
|
||||
{
|
||||
int i;
|
||||
for(i = 0; i < term.row; i++)
|
||||
term.dirty[i] = 1;
|
||||
}
|
||||
|
||||
void
|
||||
tcursor(int mode) {
|
||||
static TCursor c;
|
||||
|
|
@ -777,9 +787,12 @@ tnew(int col, int row) {
|
|||
term.row = row, term.col = col;
|
||||
term.line = malloc(term.row * sizeof(Line));
|
||||
term.alt = malloc(term.row * sizeof(Line));
|
||||
term.dirty = malloc(term.row * sizeof(*term.dirty));
|
||||
|
||||
for(row = 0; row < term.row; row++) {
|
||||
term.line[row] = malloc(term.col * sizeof(Glyph));
|
||||
term.alt [row] = malloc(term.col * sizeof(Glyph));
|
||||
term.dirty[row] = 0;
|
||||
}
|
||||
/* setup screen */
|
||||
treset();
|
||||
|
|
@ -791,6 +804,7 @@ tswapscreen(void) {
|
|||
term.line = term.alt;
|
||||
term.alt = tmp;
|
||||
term.mode ^= MODE_ALTSCREEN;
|
||||
tfulldirt();
|
||||
}
|
||||
|
||||
void
|
||||
|
|
@ -806,6 +820,9 @@ tscrolldown(int orig, int n) {
|
|||
temp = term.line[i];
|
||||
term.line[i] = term.line[i-n];
|
||||
term.line[i-n] = temp;
|
||||
|
||||
term.dirty[i] = 1;
|
||||
term.dirty[i-n] = 1;
|
||||
}
|
||||
|
||||
selscroll(orig, n);
|
||||
|
|
@ -823,6 +840,9 @@ tscrollup(int orig, int n) {
|
|||
temp = term.line[i];
|
||||
term.line[i] = term.line[i+n];
|
||||
term.line[i+n] = temp;
|
||||
|
||||
term.dirty[i] = 1;
|
||||
term.dirty[i+n] = 1;
|
||||
}
|
||||
|
||||
selscroll(orig, -n);
|
||||
|
|
@ -896,6 +916,7 @@ tmoveto(int x, int y) {
|
|||
|
||||
void
|
||||
tsetchar(char *c) {
|
||||
term.dirty[term.c.y] = 1;
|
||||
term.line[term.c.y][term.c.x] = term.c.attr;
|
||||
memcpy(term.line[term.c.y][term.c.x].c, c, UTF_SIZ);
|
||||
term.line[term.c.y][term.c.x].state |= GLYPH_SET;
|
||||
|
|
@ -915,10 +936,12 @@ tclearregion(int x1, int y1, int x2, int y2) {
|
|||
LIMIT(y1, 0, term.row-1);
|
||||
LIMIT(y2, 0, term.row-1);
|
||||
|
||||
for(y = y1; y <= y2; y++)
|
||||
for(y = y1; y <= y2; y++) {
|
||||
term.dirty[y] = 1;
|
||||
for(x = x1; x <= x2; x++)
|
||||
term.line[y][x].state = 0;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
tdeletechar(int n) {
|
||||
|
|
@ -926,6 +949,8 @@ tdeletechar(int n) {
|
|||
int dst = term.c.x;
|
||||
int size = term.col - src;
|
||||
|
||||
term.dirty[term.c.y] = 1;
|
||||
|
||||
if(src >= term.col) {
|
||||
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
|
||||
return;
|
||||
|
|
@ -940,6 +965,8 @@ tinsertblank(int n) {
|
|||
int dst = src + n;
|
||||
int size = term.col - dst;
|
||||
|
||||
term.dirty[term.c.y] = 1;
|
||||
|
||||
if(dst >= term.col) {
|
||||
tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
|
||||
return;
|
||||
|
|
@ -1411,7 +1438,8 @@ tputc(char *c) {
|
|||
}
|
||||
}
|
||||
} else {
|
||||
if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey)) sel.bx = -1;
|
||||
if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
|
||||
sel.bx = -1;
|
||||
switch(ascii) {
|
||||
case '\t':
|
||||
tputtab();
|
||||
|
|
@ -1479,9 +1507,11 @@ tresize(int col, int row) {
|
|||
/* resize to new height */
|
||||
term.line = realloc(term.line, row * sizeof(Line));
|
||||
term.alt = realloc(term.alt, row * sizeof(Line));
|
||||
term.dirty = realloc(term.dirty, row * sizeof(*term.dirty));
|
||||
|
||||
/* resize each row to new width, zero-pad if needed */
|
||||
for(i = 0; i < minrow; i++) {
|
||||
term.dirty[i] = 1;
|
||||
term.line[i] = realloc(term.line[i], col * sizeof(Glyph));
|
||||
term.alt[i] = realloc(term.alt[i], col * sizeof(Glyph));
|
||||
for(x = mincol; x < col; x++) {
|
||||
|
|
@ -1492,6 +1522,7 @@ tresize(int col, int row) {
|
|||
|
||||
/* allocate any new rows */
|
||||
for(/* i == minrow */; i < row; i++) {
|
||||
term.dirty[i] = 1;
|
||||
term.line[i] = calloc(col, sizeof(Glyph));
|
||||
term.alt [i] = calloc(col, sizeof(Glyph));
|
||||
}
|
||||
|
|
@ -1502,6 +1533,7 @@ tresize(int col, int row) {
|
|||
tmoveto(term.c.x, term.c.y);
|
||||
/* reset scrolling region */
|
||||
tsetscroll(0, row-1);
|
||||
|
||||
return (slide > 0);
|
||||
}
|
||||
|
||||
|
|
@ -1792,8 +1824,11 @@ drawregion(int x1, int y1, int x2, int y2) {
|
|||
if(!(xw.state & WIN_VISIBLE))
|
||||
return;
|
||||
|
||||
xclear(x1, y1, x2-1, y2-1);
|
||||
for(y = y1; y < y2; y++) {
|
||||
if(!term.dirty[y])
|
||||
continue;
|
||||
xclear(0, y, term.col, y);
|
||||
term.dirty[y] = 0;
|
||||
base = term.line[y][0];
|
||||
ic = ib = ox = 0;
|
||||
for(x = x1; x < x2; x++) {
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user