Got rid of redundant Glyph state.
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
Christoph Lohmann
parent
3ae0299064
commit
b7e6a5c825
1 changed files with 34 additions and 45 deletions
55
st.c
55
st.c
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@ -98,11 +98,6 @@ enum cursor_state {
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CURSOR_ORIGIN = 2
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};
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enum glyph_state {
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GLYPH_SET = 1,
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GLYPH_DIRTY = 2
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};
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enum term_mode {
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MODE_WRAP = 1,
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MODE_INSERT = 2,
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@ -154,7 +149,6 @@ typedef struct {
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uchar mode; /* attribute flags */
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ushort fg; /* foreground */
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ushort bg; /* background */
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uchar state; /* state flags */
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} Glyph;
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typedef Glyph *Line;
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@ -757,7 +751,7 @@ bpress(XEvent *e) {
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void
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selcopy(void) {
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char *str, *ptr, *p;
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char *str, *ptr;
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int x, y, bufsize, isselected = 0, size;
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Glyph *gp, *last;
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@ -773,8 +767,8 @@ selcopy(void) {
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gp = &term.line[y][0];
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last = gp + term.col;
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while(--last >= gp && !((last->state & GLYPH_SET) && \
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selected(last - gp, y) && strcmp(last->c, " ") != 0))
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while(--last >= gp && !(selected(last - gp, y) && \
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strcmp(last->c, " ") != 0))
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/* nothing */;
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for(x = 0; gp <= last; x++, ++gp) {
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@ -784,9 +778,8 @@ selcopy(void) {
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isselected = 1;
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}
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p = (gp->state & GLYPH_SET) ? gp->c : " ";
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size = utf8size(p);
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memcpy(ptr, p, size);
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size = utf8size(gp->c);
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memcpy(ptr, gp->c, size);
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ptr += size;
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}
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@ -943,13 +936,11 @@ brelease(XEvent *e) {
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} else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
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/* double click to select word */
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sel.bx = sel.ex;
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while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET &&
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term.line[sel.ey][sel.bx-1].c[0] != ' ') {
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while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].c[0] != ' ') {
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sel.bx--;
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}
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sel.b.x = sel.bx;
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while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].state & GLYPH_SET &&
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term.line[sel.ey][sel.ex+1].c[0] != ' ') {
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while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].c[0] != ' ') {
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sel.ex++;
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}
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sel.e.x = sel.ex;
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@ -1373,7 +1364,6 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
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term.dirty[y] = 1;
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term.line[y][x] = *attr;
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memcpy(term.line[y][x].c, c, UTF_SIZ);
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term.line[y][x].state |= GLYPH_SET;
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}
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void
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@ -1395,7 +1385,6 @@ tclearregion(int x1, int y1, int x2, int y2) {
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for(x = x1; x <= x2; x++) {
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term.line[y][x] = term.c.attr;
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memcpy(term.line[y][x].c, " ", 2);
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term.line[y][x].state |= GLYPH_SET;
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}
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}
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}
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@ -2263,11 +2252,12 @@ tputc(char *c, int len) {
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int
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tresize(int col, int row) {
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int i, x;
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int i;
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int minrow = MIN(row, term.row);
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int mincol = MIN(col, term.col);
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int slide = term.c.y - row + 1;
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bool *bp;
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Line *orig;
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if(col < 1 || row < 1)
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return 0;
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@ -2303,10 +2293,6 @@ tresize(int col, int row) {
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term.dirty[i] = 1;
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term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
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term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
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for(x = mincol; x < col; x++) {
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term.line[i][x].state = 0;
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term.alt[i][x].state = 0;
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}
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}
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/* allocate any new rows */
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@ -2331,6 +2317,17 @@ tresize(int col, int row) {
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tsetscroll(0, row-1);
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/* make use of the LIMIT in tmoveto */
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tmoveto(term.c.x, term.c.y);
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/* Clearing both screens */
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orig = term.line;
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do {
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if(mincol < col && 0 < minrow) {
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tclearregion(mincol, 0, col - 1, minrow - 1);
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}
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if(0 < col && minrow < row) {
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tclearregion(0, minrow, col - 1, row - 1);
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}
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tswapscreen();
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} while(orig != term.line);
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return (slide > 0);
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}
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@ -2932,22 +2929,17 @@ void
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xdrawcursor(void) {
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static int oldx = 0, oldy = 0;
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int sl;
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Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs, 0};
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Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs};
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LIMIT(oldx, 0, term.col-1);
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LIMIT(oldy, 0, term.row-1);
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if(term.line[term.c.y][term.c.x].state & GLYPH_SET)
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memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
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/* remove the old cursor */
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if(term.line[oldy][oldx].state & GLYPH_SET) {
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sl = utf8size(term.line[oldy][oldx].c);
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xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
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oldy, 1, sl);
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} else {
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xtermclear(oldx, oldy, oldx, oldy);
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}
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/* draw the new one */
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if(!(IS_SET(MODE_HIDE))) {
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@ -3045,13 +3037,11 @@ drawregion(int x1, int y1, int x2, int y2) {
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new = term.line[y][x];
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if(ena_sel && *(new.c) && selected(x, y))
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new.mode ^= ATTR_REVERSE;
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if(ib > 0 && (!(new.state & GLYPH_SET)
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|| ATTRCMP(base, new)
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if(ib > 0 && (ATTRCMP(base, new)
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|| ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
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xdraws(buf, base, ox, y, ic, ib);
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ic = ib = 0;
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}
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if(new.state & GLYPH_SET) {
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if(ib == 0) {
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ox = x;
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base = new;
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@ -3062,7 +3052,6 @@ drawregion(int x1, int y1, int x2, int y2) {
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ib += sl;
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++ic;
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}
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}
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if(ib > 0)
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xdraws(buf, base, ox, y, ic, ib);
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}
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