double-buffering added using pixmap (finally).
results in a lot of simplification : - no more dirty flags (perf are good enough). - no more ugly gfx call in emulation functions. LINESPACE removed from config.h. BORDER is now handled correctly.master
Aurélien Aptel
parent
0f4dd5035e
commit
b3b7ffce5f
3
config.h
3
config.h
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@ -3,8 +3,7 @@
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#define FONT "6x13"
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#define BOLDFONT FONT"bold"
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#define BORDER 3
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#define LINESPACE 0 /* additional pixel between each line */
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#define BORDER 2
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/* Terminal colors */
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static const char *colorname[] = {
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@ -91,6 +91,7 @@ typedef struct {
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typedef struct {
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Display* dis;
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Window win;
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Pixmap buf;
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int scr;
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int w; /* window width */
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int h; /* window height */
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@ -154,7 +155,6 @@ static unsigned long xgetcol(const char *);
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static void xclear(int, int, int, int);
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static void xcursor(int);
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static void xinit(void);
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static void xscroll(void);
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static void expose(XEvent *);
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static char* kmap(KeySym);
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@ -215,7 +215,7 @@ execsh(void) {
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void
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xbell(void) { /* visual bell */
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XRectangle r = { 0, 0, xw.w, xw.h };
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XRectangle r = { BORDER, BORDER, xw.w, xw.h };
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XSetForeground(xw.dis, dc.gc, dc.col[BellCol]);
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XFillRectangles(xw.dis, xw.win, dc.gc, &r, 1);
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/* usleep(30000); */
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@ -350,9 +350,7 @@ void
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tscroll(void) {
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Line temp = term.line[term.top];
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int i;
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/* No dirty flag to set because of xscroll */
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/* X stuff _before_ the line swapping (results in wrong line index) */
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xscroll();
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for(i = term.top; i < term.bot; i++)
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term.line[i] = term.line[i+1];
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memset(temp, 0, sizeof(Glyph) * term.col);
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@ -364,7 +362,6 @@ tscrolldown (int n) {
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int i;
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Line temp;
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/* TODO: set dirty flag or scroll with some X func */
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LIMIT(n, 0, term.bot-term.top+1);
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for(i = 0; i < n; i++)
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@ -383,7 +380,6 @@ tscrollup (int n) {
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Line temp;
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LIMIT(n, 0, term.bot-term.top+1);
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/* TODO: set dirty flag or scroll with some X func */
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for(i = 0; i < n; i++)
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memset(term.line[term.top+i], 0, term.col*sizeof(Glyph));
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@ -467,7 +463,7 @@ void
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tsetchar(char c) {
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term.line[term.c.y][term.c.x] = term.c.attr;
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term.line[term.c.y][term.c.x].c = c;
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term.line[term.c.y][term.c.x].state |= GLYPH_SET | GLYPH_DIRTY;
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term.line[term.c.y][term.c.x].state |= GLYPH_SET;
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}
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void
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@ -486,8 +482,6 @@ tclearregion(int x1, int y1, int x2, int y2) {
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for(y = y1; y <= y2; y++)
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memset(&term.line[y][x1], 0, sizeof(Glyph)*(x2-x1+1));
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xclear(x1, y1, x2, y2);
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}
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void
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@ -518,13 +512,6 @@ tinsertblank(int n) {
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tclearregion(src, term.c.y, dst, term.c.y);
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}
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void
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tsetlinestate(int n, int state) {
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int i;
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for(i = 0; i < term.col; i++)
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term.line[n][i].state |= state;
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}
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void
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tinsertblankline(int n) {
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int i;
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@ -546,8 +533,6 @@ tinsertblankline(int n) {
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term.line[i-n] = blank;
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/* blank it */
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memset(blank, 0, term.col * sizeof(Glyph));
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tsetlinestate(i, GLYPH_DIRTY);
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tsetlinestate(i-n, GLYPH_DIRTY);
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}
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}
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@ -572,8 +557,6 @@ tdeleteline(int n) {
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term.line[i+n] = blank;
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/* blank it */
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memset(blank, 0, term.col * sizeof(Glyph));
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tsetlinestate(i, GLYPH_DIRTY);
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tsetlinestate(i-n, GLYPH_DIRTY);
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}
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}
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@ -1037,21 +1020,10 @@ xgetcol(const char *s) {
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void
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xclear(int x1, int y1, int x2, int y2) {
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XClearArea(xw.dis, xw.win,
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x1 * xw.cw, y1 * xw.ch,
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(x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch,
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False);
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}
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void
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xscroll(void) {
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int srcy = (term.top+1) * xw.ch;
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int dsty = term.top * xw.ch;
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int height = (term.bot-term.top) * xw.ch;
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xcursor(CURSOR_HIDE);
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XCopyArea(xw.dis, xw.win, xw.win, dc.gc, 0, srcy, xw.w, height, 0, dsty);
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xclear(0, term.bot, term.col-1, term.bot);
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XSetForeground(xw.dis, dc.gc, dc.col[DefaultBG]);
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XFillRectangle(xw.dis, xw.buf, dc.gc,
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x1 * xw.cw, y1 * xw.ch,
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(x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch);
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}
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void
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@ -1073,7 +1045,7 @@ xinit(void) {
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/* XXX: Assuming same size for bold font */
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xw.cw = dc.font->max_bounds.rbearing - dc.font->min_bounds.lbearing;
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xw.ch = dc.font->ascent + dc.font->descent + LINESPACE;
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xw.ch = dc.font->ascent + dc.font->descent;
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/* colors */
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for(i = 0; i < LEN(colorname); i++)
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@ -1085,11 +1057,11 @@ xinit(void) {
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/* windows */
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xw.h = term.row * xw.ch;
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xw.w = term.col * xw.cw;
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/* XXX: this BORDER is useless after the first resize, handle it in xdraws() */
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xw.win = XCreateSimpleWindow(xw.dis, XRootWindow(xw.dis, xw.scr), 0, 0,
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xw.w, xw.h, BORDER,
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xw.w + 2*BORDER, xw.h + 2*BORDER, 0,
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dc.col[DefaultBG],
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dc.col[DefaultBG]);
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xw.buf = XCreatePixmap(xw.dis, xw.win, xw.w, xw.h, XDefaultDepth(xw.dis, xw.scr));
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/* gc */
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dc.gc = XCreateGC(xw.dis, xw.win, 0, NULL);
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XMapWindow(xw.dis, xw.win);
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@ -1097,11 +1069,13 @@ xinit(void) {
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chint.res_name = TNAME, chint.res_class = TNAME;
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wmhint.input = 1, wmhint.flags = InputHint;
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shint.height_inc = xw.ch, shint.width_inc = xw.cw;
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shint.height = xw.h, shint.width = xw.w;
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shint.height = xw.h + 2*BORDER, shint.width = xw.w + 2*BORDER;
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shint.flags = PSize | PResizeInc;
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XSetWMProperties(xw.dis, xw.win, NULL, NULL, &args[0], 0, &shint, &wmhint, &chint);
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XStoreName(xw.dis, xw.win, TNAME);
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XFillRectangle(xw.dis, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
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XSync(xw.dis, 0);
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}
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void
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@ -1123,10 +1097,10 @@ xdraws(char *s, Glyph base, int x, int y, int len) {
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s[i] = gfx[s[i]];
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XSetFont(xw.dis, dc.gc, base.mode & ATTR_BOLD ? dc.bfont->fid : dc.font->fid);
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XDrawImageString(xw.dis, xw.win, dc.gc, winx, winy, s, len);
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XDrawImageString(xw.dis, xw.buf, dc.gc, winx, winy, s, len);
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if(base.mode & ATTR_UNDERLINE)
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XDrawLine(xw.dis, xw.win, dc.gc, winx, winy+1, winx+width-1, winy+1);
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XDrawLine(xw.dis, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1);
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}
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void
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@ -1163,7 +1137,7 @@ xdrawc(int x, int y, Glyph g) {
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XSetBackground(xw.dis, dc.gc, dc.col[g.bg]);
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XSetForeground(xw.dis, dc.gc, dc.col[g.fg]);
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XSetFont(xw.dis, dc.gc, g.mode & ATTR_BOLD ? dc.bfont->fid : dc.font->fid);
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XDrawImageString(xw.dis, xw.win, dc.gc, r.x, r.y+dc.font->ascent, &g.c, 1);
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XDrawImageString(xw.dis, xw.buf, dc.gc, r.x, r.y+dc.font->ascent, &g.c, 1);
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}
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void
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@ -1178,6 +1152,8 @@ draw_(int dummy) {
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if(!term.hidec)
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xcursor(CURSOR_DRAW);
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XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.w, xw.h, BORDER, BORDER);
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XFlush(xw.dis);
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}
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#endif
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@ -1187,7 +1163,6 @@ draw(int redraw_all) {
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Glyph base, new;
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char buf[DRAW_BUF_SIZ];
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/* XXX: optimize with GLYPH_DIRTY hint */
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for(y = 0; y < term.row; y++) {
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base = term.line[y][0];
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i = ox = 0;
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@ -1206,6 +1181,8 @@ draw(int redraw_all) {
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xdraws(buf, base, ox, y, i);
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}
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xcursor(term.hidec ? CURSOR_HIDE : CURSOR_DRAW);
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XCopyArea(xw.dis, xw.buf, xw.win, dc.gc, 0, 0, xw.w, xw.h, BORDER, BORDER);
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XFlush(xw.dis);
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}
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void
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@ -1273,6 +1250,8 @@ resize(XEvent *e) {
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ttyresize(col, row);
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xw.w = e->xconfigure.width;
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xw.h = e->xconfigure.height;
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XFreePixmap(xw.dis, xw.buf);
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xw.buf = XCreatePixmap(xw.dis, xw.win, xw.w, xw.h, XDefaultDepth(xw.dis, xw.scr));
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draw(SCREEN_REDRAW);
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}
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}
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@ -1285,7 +1264,7 @@ run(void) {
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running = 1;
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XSelectInput(xw.dis, xw.win, ExposureMask | KeyPressMask | StructureNotifyMask);
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XResizeWindow(xw.dis, xw.win, xw.w , xw.h); /* fix resize bug in wmii (?) */
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XResizeWindow(xw.dis, xw.win, xw.w+2*BORDER, xw.h+2*BORDER); /* fix resize bug in wmii (?) */
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while(running) {
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FD_ZERO(&rfd);
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