fixed optimized drawing routine and factored some code. - st - Personal fork of st
(HTM) git clone git://git.drkhsh.at/st.git
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---
(DIR) commit 5258d6054599e456c260984b8619500d0b4b75b7
(DIR) parent b4f623f9109cc38a87469c6430d5e780e9a01989
(HTM) Author: Aurélien Aptel <aurelien.aptel@gmail.com>
Date: Sun, 29 Aug 2010 20:12:44 +0200
fixed optimized drawing routine and factored some code.
Diffstat:
M st.c | 33 +++++++++++++++++--------------
1 file changed, 18 insertions(+), 15 deletions(-)
---
(DIR) diff --git a/st.c b/st.c
@@ -46,8 +46,8 @@
/* 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 { CURSOR_UP, CURSOR_DOWN, CURSOR_LEFT, CURSOR_RIGHT, CURSOR_HIDE, CURSOR_DRAW,
- CURSOR_SAVE, CURSOR_LOAD };
+enum { CURSOR_UP, CURSOR_DOWN, CURSOR_LEFT, CURSOR_RIGHT, CURSOR_HIDE = 1,
+ CURSOR_DRAW = 0, CURSOR_SAVE, CURSOR_LOAD };
enum { GLYPH_SET=1, GLYPH_DIRTY=2 };
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 };
@@ -711,7 +711,7 @@ csihandle(void) {
case 12: /* att610 -- Stop blinking cursor (IGNORED) */
break;
case 25:
- term.c.hide = 1;
+ term.c.hide = CURSOR_HIDE;
break;
case 1048: /* XXX: no alt. screen to erase/save */
case 1049:
@@ -760,7 +760,7 @@ csihandle(void) {
case 12: /* att610 -- Start blinking cursor (IGNORED) */
break;
case 25:
- term.c.hide = 0;
+ term.c.hide = CURSOR_DRAW;
break;
case 1048:
case 1049: /* XXX: no alt. screen to erase/save */
@@ -1166,8 +1166,7 @@ draw(int dummy) {
if(term.line[y][x].state & GLYPH_SET)
xdrawc(x, y, term.line[y][x]);
- if(!term.c.hide)
- xcursor(CURSOR_DRAW);
+ xcursor(term.c.hide);
XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.bufw, xw.bufh, BORDER, BORDER);
XFlush(xw.dis);
}
@@ -1187,19 +1186,23 @@ draw(int redraw_all) {
i = ox = 0;
for(x = 0; x < term.col; x++) {
new = term.line[y][x];
- if(!ATTRCMP(base, new) && i < DRAW_BUF_SIZ)
- buf[i++] = new.c;
- else {
+ if(i > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) ||
+ i >= DRAW_BUF_SIZ)) {
xdraws(buf, base, ox, y, i);
- buf[0] = new.c;
- i = 1;
- ox = x;
- base = new;
+ i = 0;
+ }
+ if(new.state & GLYPH_SET) {
+ if(i == 0) {
+ ox = x;
+ base = new;
+ }
+ buf[i++] = new.c;
}
}
- xdraws(buf, base, ox, y, i);
+ if(i > 0)
+ 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);
XFlush(xw.dis);
}