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Got rid of redundant Glyph state.

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Now, newly allocated Glyphs are set to spaces and current cursor colors
with tclearregion() routine.

Signed-off-by: Christoph Lohmann <20h@r-36.net>
This commit is contained in:
Alexander Sedov 2013-04-15 17:13:19 +04:00 committed by Christoph Lohmann
parent 3ae0299064
commit b7e6a5c825
1 changed files with 34 additions and 45 deletions
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79
st.c
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@ -98,11 +98,6 @@ enum cursor_state {
CURSOR_ORIGIN = 2 CURSOR_ORIGIN = 2
}; };
enum glyph_state {
GLYPH_SET = 1,
GLYPH_DIRTY = 2
};
enum term_mode { enum term_mode {
MODE_WRAP = 1, MODE_WRAP = 1,
MODE_INSERT = 2, MODE_INSERT = 2,
@ -154,7 +149,6 @@ typedef struct {
uchar mode; /* attribute flags */ uchar mode; /* attribute flags */
ushort fg; /* foreground */ ushort fg; /* foreground */
ushort bg; /* background */ ushort bg; /* background */
uchar state; /* state flags */
} Glyph; } Glyph;
typedef Glyph *Line; typedef Glyph *Line;
@ -757,7 +751,7 @@ bpress(XEvent *e) {
void void
selcopy(void) { selcopy(void) {
char *str, *ptr, *p; char *str, *ptr;
int x, y, bufsize, isselected = 0, size; int x, y, bufsize, isselected = 0, size;
Glyph *gp, *last; Glyph *gp, *last;
@ -773,8 +767,8 @@ selcopy(void) {
gp = &term.line[y][0]; gp = &term.line[y][0];
last = gp + term.col; last = gp + term.col;
while(--last >= gp && !((last->state & GLYPH_SET) && \ while(--last >= gp && !(selected(last - gp, y) && \
selected(last - gp, y) && strcmp(last->c, " ") != 0)) strcmp(last->c, " ") != 0))
/* nothing */; /* nothing */;
for(x = 0; gp <= last; x++, ++gp) { for(x = 0; gp <= last; x++, ++gp) {
@ -784,9 +778,8 @@ selcopy(void) {
isselected = 1; isselected = 1;
} }
p = (gp->state & GLYPH_SET) ? gp->c : " "; size = utf8size(gp->c);
size = utf8size(p); memcpy(ptr, gp->c, size);
memcpy(ptr, p, size);
ptr += size; ptr += size;
} }
@ -943,13 +936,11 @@ brelease(XEvent *e) {
} else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) { } else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
/* double click to select word */ /* double click to select word */
sel.bx = sel.ex; sel.bx = sel.ex;
while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET && while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].c[0] != ' ') {
term.line[sel.ey][sel.bx-1].c[0] != ' ') {
sel.bx--; sel.bx--;
} }
sel.b.x = sel.bx; sel.b.x = sel.bx;
while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].state & GLYPH_SET && while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].c[0] != ' ') {
term.line[sel.ey][sel.ex+1].c[0] != ' ') {
sel.ex++; sel.ex++;
} }
sel.e.x = sel.ex; sel.e.x = sel.ex;
@ -1373,7 +1364,6 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
term.dirty[y] = 1; term.dirty[y] = 1;
term.line[y][x] = *attr; term.line[y][x] = *attr;
memcpy(term.line[y][x].c, c, UTF_SIZ); memcpy(term.line[y][x].c, c, UTF_SIZ);
term.line[y][x].state |= GLYPH_SET;
} }
void void
@ -1395,7 +1385,6 @@ tclearregion(int x1, int y1, int x2, int y2) {
for(x = x1; x <= x2; x++) { for(x = x1; x <= x2; x++) {
term.line[y][x] = term.c.attr; term.line[y][x] = term.c.attr;
memcpy(term.line[y][x].c, " ", 2); memcpy(term.line[y][x].c, " ", 2);
term.line[y][x].state |= GLYPH_SET;
} }
} }
} }
@ -2263,11 +2252,12 @@ tputc(char *c, int len) {
int int
tresize(int col, int row) { tresize(int col, int row) {
int i, x; int i;
int minrow = MIN(row, term.row); int minrow = MIN(row, term.row);
int mincol = MIN(col, term.col); int mincol = MIN(col, term.col);
int slide = term.c.y - row + 1; int slide = term.c.y - row + 1;
bool *bp; bool *bp;
Line *orig;
if(col < 1 || row < 1) if(col < 1 || row < 1)
return 0; return 0;
@ -2303,10 +2293,6 @@ tresize(int col, int row) {
term.dirty[i] = 1; term.dirty[i] = 1;
term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph)); term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph)); term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
for(x = mincol; x < col; x++) {
term.line[i][x].state = 0;
term.alt[i][x].state = 0;
}
} }
/* allocate any new rows */ /* allocate any new rows */
@ -2331,6 +2317,17 @@ tresize(int col, int row) {
tsetscroll(0, row-1); tsetscroll(0, row-1);
/* make use of the LIMIT in tmoveto */ /* make use of the LIMIT in tmoveto */
tmoveto(term.c.x, term.c.y); tmoveto(term.c.x, term.c.y);
/* Clearing both screens */
orig = term.line;
do {
if(mincol < col && 0 < minrow) {
tclearregion(mincol, 0, col - 1, minrow - 1);
}
if(0 < col && minrow < row) {
tclearregion(0, minrow, col - 1, row - 1);
}
tswapscreen();
} while(orig != term.line);
return (slide > 0); return (slide > 0);
} }
@ -2932,22 +2929,17 @@ void
xdrawcursor(void) { xdrawcursor(void) {
static int oldx = 0, oldy = 0; static int oldx = 0, oldy = 0;
int sl; int sl;
Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs, 0}; Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs};
LIMIT(oldx, 0, term.col-1); LIMIT(oldx, 0, term.col-1);
LIMIT(oldy, 0, term.row-1); LIMIT(oldy, 0, term.row-1);
if(term.line[term.c.y][term.c.x].state & GLYPH_SET) memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
/* remove the old cursor */ /* remove the old cursor */
if(term.line[oldy][oldx].state & GLYPH_SET) { sl = utf8size(term.line[oldy][oldx].c);
sl = utf8size(term.line[oldy][oldx].c); xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, oldy, 1, sl);
oldy, 1, sl);
} else {
xtermclear(oldx, oldy, oldx, oldy);
}
/* draw the new one */ /* draw the new one */
if(!(IS_SET(MODE_HIDE))) { if(!(IS_SET(MODE_HIDE))) {
@ -3045,23 +3037,20 @@ drawregion(int x1, int y1, int x2, int y2) {
new = term.line[y][x]; new = term.line[y][x];
if(ena_sel && *(new.c) && selected(x, y)) if(ena_sel && *(new.c) && selected(x, y))
new.mode ^= ATTR_REVERSE; new.mode ^= ATTR_REVERSE;
if(ib > 0 && (!(new.state & GLYPH_SET) if(ib > 0 && (ATTRCMP(base, new)
|| ATTRCMP(base, new)
|| ib >= DRAW_BUF_SIZ-UTF_SIZ)) { || ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
xdraws(buf, base, ox, y, ic, ib); xdraws(buf, base, ox, y, ic, ib);
ic = ib = 0; ic = ib = 0;
} }
if(new.state & GLYPH_SET) { if(ib == 0) {
if(ib == 0) { ox = x;
ox = x; base = new;
base = new;
}
sl = utf8size(new.c);
memcpy(buf+ib, new.c, sl);
ib += sl;
++ic;
} }
sl = utf8size(new.c);
memcpy(buf+ib, new.c, sl);
ib += sl;
++ic;
} }
if(ib > 0) if(ib > 0)
xdraws(buf, base, ox, y, ic, ib); xdraws(buf, base, ox, y, ic, ib);