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fixed optimized drawing routine and factored some code.

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This commit is contained in:
Aurélien Aptel 2010-08-29 20:12:44 +02:00
parent 27a7d85d0c
commit 913c0cbd34
1 changed files with 18 additions and 15 deletions
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27
st.c
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@ -46,8 +46,8 @@
/* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */ /* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */
enum { ATTR_NULL=0 , ATTR_REVERSE=1 , ATTR_UNDERLINE=2, ATTR_BOLD=4, ATTR_GFX=8 }; enum { ATTR_NULL=0 , ATTR_REVERSE=1 , ATTR_UNDERLINE=2, ATTR_BOLD=4, ATTR_GFX=8 };
enum { CURSOR_UP, CURSOR_DOWN, CURSOR_LEFT, CURSOR_RIGHT, CURSOR_HIDE, CURSOR_DRAW, enum { CURSOR_UP, CURSOR_DOWN, CURSOR_LEFT, CURSOR_RIGHT, CURSOR_HIDE = 1,
CURSOR_SAVE, CURSOR_LOAD }; CURSOR_DRAW = 0, CURSOR_SAVE, CURSOR_LOAD };
enum { GLYPH_SET=1, GLYPH_DIRTY=2 }; enum { GLYPH_SET=1, GLYPH_DIRTY=2 };
enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4 }; enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4 };
enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 }; enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 };
@ -711,7 +711,7 @@ csihandle(void) {
case 12: /* att610 -- Stop blinking cursor (IGNORED) */ case 12: /* att610 -- Stop blinking cursor (IGNORED) */
break; break;
case 25: case 25:
term.c.hide = 1; term.c.hide = CURSOR_HIDE;
break; break;
case 1048: /* XXX: no alt. screen to erase/save */ case 1048: /* XXX: no alt. screen to erase/save */
case 1049: case 1049:
@ -760,7 +760,7 @@ csihandle(void) {
case 12: /* att610 -- Start blinking cursor (IGNORED) */ case 12: /* att610 -- Start blinking cursor (IGNORED) */
break; break;
case 25: case 25:
term.c.hide = 0; term.c.hide = CURSOR_DRAW;
break; break;
case 1048: case 1048:
case 1049: /* XXX: no alt. screen to erase/save */ case 1049: /* XXX: no alt. screen to erase/save */
@ -1166,8 +1166,7 @@ draw(int dummy) {
if(term.line[y][x].state & GLYPH_SET) if(term.line[y][x].state & GLYPH_SET)
xdrawc(x, y, term.line[y][x]); xdrawc(x, y, term.line[y][x]);
if(!term.c.hide) xcursor(term.c.hide);
xcursor(CURSOR_DRAW);
XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.bufw, xw.bufh, BORDER, BORDER); XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.bufw, xw.bufh, BORDER, BORDER);
XFlush(xw.dis); XFlush(xw.dis);
} }
@ -1187,19 +1186,23 @@ draw(int redraw_all) {
i = ox = 0; i = ox = 0;
for(x = 0; x < term.col; x++) { for(x = 0; x < term.col; x++) {
new = term.line[y][x]; new = term.line[y][x];
if(!ATTRCMP(base, new) && i < DRAW_BUF_SIZ) if(i > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) ||
buf[i++] = new.c; i >= DRAW_BUF_SIZ)) {
else {
xdraws(buf, base, ox, y, i); xdraws(buf, base, ox, y, i);
buf[0] = new.c; i = 0;
i = 1; }
if(new.state & GLYPH_SET) {
if(i == 0) {
ox = x; ox = x;
base = new; base = new;
} }
buf[i++] = new.c;
} }
}
if(i > 0)
xdraws(buf, base, ox, y, i); xdraws(buf, base, ox, y, i);
} }
xcursor(term.c.hide ? CURSOR_HIDE : CURSOR_DRAW); xcursor(term.c.hide);
XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.bufw, xw.bufh, BORDER, BORDER); XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.bufw, xw.bufh, BORDER, BORDER);
XFlush(xw.dis); XFlush(xw.dis);
} }