X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/579f12d47b38e23abb1073b8e70d67c0c203c42c..ba1e9daeef0d7e6e52a9889d8f7eb61d74480cf0:/st.c?ds=sidebyside

diff --git a/st.c b/st.c
index 8b30d4c..b013bca 100644
--- a/st.c
+++ b/st.c
@@ -76,6 +76,8 @@ enum glyph_attribute {
 	ATTR_UNDERLINE = 2,
 	ATTR_BOLD      = 4,
 	ATTR_GFX       = 8,
+	ATTR_ITALIC    = 16,
+	ATTR_BLINK     = 32,
 };
 
 enum cursor_movement {
@@ -221,6 +223,7 @@ typedef struct {
 	struct {int x, y;} b, e;
 	char *clip;
 	Atom xtarget;
+	bool alt;
 	struct timeval tclick1;
 	struct timeval tclick2;
 } Selection;
@@ -237,7 +240,7 @@ typedef struct {
 		short lbearing;
 		short rbearing;
 		XFontSet set;
-	} font, bfont;
+	} font, bfont, ifont, ibfont;
 } DC;
 
 static void die(const char*, ...);
@@ -289,10 +292,11 @@ static void ttywrite(const char *, size_t);
 static void xdraws(char *, Glyph, int, int, int, int);
 static void xhints(void);
 static void xclear(int, int, int, int);
-static void xcopy();
+static void xcopy(void);
 static void xdrawcursor(void);
 static void xinit(void);
 static void xloadcols(void);
+static void xresettitle(void);
 static void xseturgency(int);
 static void xsetsel(char*);
 static void xresize(int, int);
@@ -309,12 +313,13 @@ static void brelease(XEvent *);
 static void bpress(XEvent *);
 static void bmotion(XEvent *);
 static void selnotify(XEvent *);
+static void selclear(XEvent *);
 static void selrequest(XEvent *);
 
 static void selinit(void);
 static inline bool selected(int, int);
 static void selcopy(void);
-static void selpaste();
+static void selpaste(void);
 static void selscroll(int, int);
 
 static int utf8decode(char *, long *);
@@ -322,6 +327,9 @@ static int utf8encode(long *, char *);
 static int utf8size(char *);
 static int isfullutf8(char *, int);
 
+static void *xmalloc(size_t);
+static void *xrealloc(void *, size_t);
+
 static void (*handler[LASTEvent])(XEvent *) = {
 	[KeyPress] = kpress,
 	[ClientMessage] = cmessage,
@@ -334,6 +342,7 @@ static void (*handler[LASTEvent])(XEvent *) = {
 	[MotionNotify] = bmotion,
 	[ButtonPress] = bpress,
 	[ButtonRelease] = brelease,
+	[SelectionClear] = selclear,
 	[SelectionNotify] = selnotify,
 	[SelectionRequest] = selrequest,
 };
@@ -347,13 +356,28 @@ static STREscape strescseq;
 static int cmdfd;
 static pid_t pid;
 static Selection sel;
-static FILE *fileio;
+static int iofd = -1;
 static char **opt_cmd  = NULL;
 static char *opt_io    = NULL;
 static char *opt_title = NULL;
 static char *opt_embed = NULL;
 static char *opt_class = NULL;
 
+void *
+xmalloc(size_t len) {
+	void *p = malloc(len);
+	if(!p)
+		die("Out of memory");
+	return p;
+}
+
+void *
+xrealloc(void *p, size_t len) {
+	if((p = realloc(p, len)) == NULL)
+		die("Out of memory");
+	return p;
+}
+
 int
 utf8decode(char *s, long *u) {
 	uchar c;
@@ -560,7 +584,7 @@ selcopy(void) {
 
 	else {
 		bufsize = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ;
-		ptr = str = malloc(bufsize);
+		ptr = str = xmalloc(bufsize);
 
 		/* append every set & selected glyph to the selection */
 		for(y = 0; y < term.row; y++) {
@@ -579,6 +603,7 @@ selcopy(void) {
 		}
 		*ptr = 0;
 	}
+	sel.alt = IS_SET(MODE_ALTSCREEN);
 	xsetsel(str);
 }
 
@@ -609,6 +634,14 @@ selpaste() {
 	XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY, xw.win, CurrentTime);
 }
 
+void selclear(XEvent *e) {
+	if(sel.bx == -1)
+		return;
+	sel.bx = -1;
+	tsetdirt(sel.b.y, sel.e.y);
+	draw();
+}
+
 void
 selrequest(XEvent *e) {
 	XSelectionRequestEvent *xsre;
@@ -737,6 +770,17 @@ execsh(void) {
 	char **args;
 	char *envshell = getenv("SHELL");
 
+	unsetenv("COLUMNS");
+	unsetenv("LINES");
+	unsetenv("TERMCAP");
+
+	signal(SIGCHLD, SIG_DFL);
+	signal(SIGHUP, SIG_DFL);
+	signal(SIGINT, SIG_DFL);
+	signal(SIGQUIT, SIG_DFL);
+	signal(SIGTERM, SIG_DFL);
+	signal(SIGALRM, SIG_DFL);
+
 	DEFAULT(envshell, SHELL);
 	putenv("TERM="TNAME);
 	args = opt_cmd ? opt_cmd : (char*[]){envshell, "-i", NULL};
@@ -783,9 +827,15 @@ ttynew(void) {
 		close(s);
 		cmdfd = m;
 		signal(SIGCHLD, sigchld);
-		if (opt_io && !(fileio = fopen(opt_io, "w"))) {
-			fprintf(stderr, "Error opening %s:%s",
-				opt_io, strerror(errno));
+		if(opt_io) {
+			if(!strcmp(opt_io, "-")) {
+				iofd = STDOUT_FILENO;
+			} else {
+				if((iofd = open(opt_io, O_WRONLY | O_CREAT, 0666)) < 0) {
+					fprintf(stderr, "Error opening %s:%s\n",
+						opt_io, strerror(errno));
+				}
+			}
 		}
 	}
 }
@@ -839,7 +889,8 @@ ttyresize(int x, int y) {
 
 	w.ws_row = term.row;
 	w.ws_col = term.col;
-	w.ws_xpixel = w.ws_ypixel = 0;
+	w.ws_xpixel = xw.w;
+	w.ws_ypixel = xw.h;
 	if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
 		fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
 }
@@ -882,7 +933,7 @@ treset(void) {
 	}, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
 
 	memset(term.tabs, 0, term.col * sizeof(*term.tabs));
-	for (i = TAB; i < term.col; i += TAB)
+	for(i = TAB; i < term.col; i += TAB)
 		term.tabs[i] = 1;
 	term.top = 0, term.bot = term.row - 1;
 	term.mode = MODE_WRAP;
@@ -893,14 +944,14 @@ void
 tnew(int col, int row) {
 	/* set screen size */
 	term.row = row, term.col = col;
-	term.line = malloc(term.row * sizeof(Line));
-	term.alt  = malloc(term.row * sizeof(Line));
-	term.dirty = malloc(term.row * sizeof(*term.dirty));
-	term.tabs = malloc(term.col * sizeof(*term.tabs));
+	term.line = xmalloc(term.row * sizeof(Line));
+	term.alt  = xmalloc(term.row * sizeof(Line));
+	term.dirty = xmalloc(term.row * sizeof(*term.dirty));
+	term.tabs = xmalloc(term.col * sizeof(*term.tabs));
 
 	for(row = 0; row < term.row; row++) {
-		term.line[row] = malloc(term.col * sizeof(Glyph));
-		term.alt [row] = malloc(term.col * sizeof(Glyph));
+		term.line[row] = xmalloc(term.col * sizeof(Glyph));
+		term.alt [row] = xmalloc(term.col * sizeof(Glyph));
 		term.dirty[row] = 0;
 	}
 	memset(term.tabs, 0, term.col * sizeof(*term.tabs));
@@ -1108,31 +1159,39 @@ tsetattr(int *attr, int l) {
 	for(i = 0; i < l; i++) {
 		switch(attr[i]) {
 		case 0:
-			term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD);
+			term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE | ATTR_BOLD \
+					| ATTR_ITALIC | ATTR_BLINK);
 			term.c.attr.fg = DefaultFG;
 			term.c.attr.bg = DefaultBG;
 			break;
 		case 1:
 			term.c.attr.mode |= ATTR_BOLD;
 			break;
-		case 3: /* enter standout (highlight) mode TODO: make it italic */
-			term.c.attr.mode |= ATTR_REVERSE;
+		case 3: /* enter standout (highlight) */
+			term.c.attr.mode |= ATTR_ITALIC;
 			break;
 		case 4:
 			term.c.attr.mode |= ATTR_UNDERLINE;
 			break;
+		case 5:
+			term.c.attr.mode |= ATTR_BLINK;
+			break;
 		case 7:
 			term.c.attr.mode |= ATTR_REVERSE;
 			break;
+		case 21:
 		case 22:
 			term.c.attr.mode &= ~ATTR_BOLD;
 			break;
-		case 23: /* leave standout (highlight) mode TODO: make it italic */
-			term.c.attr.mode &= ~ATTR_REVERSE;
+		case 23: /* leave standout (highlight) mode */
+			term.c.attr.mode &= ~ATTR_ITALIC;
 			break;
 		case 24:
 			term.c.attr.mode &= ~ATTR_UNDERLINE;
 			break;
+		case 25:
+			term.c.attr.mode &= ~ATTR_BLINK;
+			break;
 		case 27:
 			term.c.attr.mode &= ~ATTR_REVERSE;
 			break;
@@ -1172,7 +1231,7 @@ tsetattr(int *attr, int l) {
 			else if(BETWEEN(attr[i], 90, 97))
 				term.c.attr.fg = attr[i] - 90 + 8;
 			else if(BETWEEN(attr[i], 100, 107))
-				term.c.attr.fg = attr[i] - 100 + 8;
+				term.c.attr.bg = attr[i] - 100 + 8;
 			else
 				fprintf(stderr, "erresc(default): gfx attr %d unknown\n", attr[i]), csidump();
 			break;
@@ -1201,7 +1260,7 @@ void
 tsetmode(bool priv, bool set, int *args, int narg) {
 	int *lim, mode;
 
-	for (lim = args + narg; args < lim; ++args) {
+	for(lim = args + narg; args < lim; ++args) {
 		if(priv) {
 			switch(*args) {
 			case 1:
@@ -1210,7 +1269,7 @@ tsetmode(bool priv, bool set, int *args, int narg) {
 			case 5: /* DECSCNM -- Reverve video */
 				mode = term.mode;
 				MODBIT(term.mode,set, MODE_REVERSE);
-				if (mode != term.mode)
+				if(mode != term.mode)
 					redraw();
 				break;
 			case 7:
@@ -1235,11 +1294,11 @@ tsetmode(bool priv, bool set, int *args, int narg) {
 			case 1047:
 				if(IS_SET(MODE_ALTSCREEN))
 					tclearregion(0, 0, term.col-1, term.row-1);
-				if ((set && !IS_SET(MODE_ALTSCREEN)) ||
+				if((set && !IS_SET(MODE_ALTSCREEN)) ||
 				    (!set && IS_SET(MODE_ALTSCREEN))) {
 					    tswapscreen();
 				}
-				if (*args != 1049)
+				if(*args != 1049)
 					break;
 				/* pass through */
 			case 1048:
@@ -1320,19 +1379,19 @@ csihandle(void) {
 		}
 		break;
 	case 'G': /* CHA -- Move to <col> */
-	case '`': /* XXX: HPA -- same? */
+	case '`': /* HPA */
 		DEFAULT(csiescseq.arg[0], 1);
 		tmoveto(csiescseq.arg[0]-1, term.c.y);
 		break;
 	case 'H': /* CUP -- Move to <row> <col> */
-	case 'f': /* XXX: HVP -- same? */
+	case 'f': /* HVP */
 		DEFAULT(csiescseq.arg[0], 1);
 		DEFAULT(csiescseq.arg[1], 1);
 		tmoveto(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
 		break;
 	case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
 		DEFAULT(csiescseq.arg[0], 1);
-		while (csiescseq.arg[0]--)
+		while(csiescseq.arg[0]--)
 			tputtab(1);
 		break;
 	case 'J': /* ED -- Clear screen */
@@ -1397,7 +1456,7 @@ csihandle(void) {
 		break;
 	case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
 		DEFAULT(csiescseq.arg[0], 1);
-		while (csiescseq.arg[0]--)
+		while(csiescseq.arg[0]--)
 			tputtab(0);
 		break;
 	case 'd': /* VPA -- Move to <row> */
@@ -1484,6 +1543,9 @@ strhandle(void) {
 			break;
 		}
 		break;
+	case 'k': /* old title set compatibility */
+		XStoreName(xw.dpy, xw.win, strescseq.buf);
+		break;
 	case 'P': /* DSC -- Device Control String */
 	case '_': /* APC -- Application Program Command */
 	case '^': /* PM -- Privacy Message */
@@ -1528,15 +1590,15 @@ void
 tputtab(bool forward) {
 	unsigned x = term.c.x;
 
-	if (forward) {
-		if (x == term.col)
+	if(forward) {
+		if(x == term.col)
 			return;
-		for (++x; x < term.col && !term.tabs[x]; ++x)
+		for(++x; x < term.col && !term.tabs[x]; ++x)
 			/* nothing */ ;
 	} else {
-		if (x == 0)
+		if(x == 0)
 			return;
-		for (--x; x > 0 && !term.tabs[x]; --x)
+		for(--x; x > 0 && !term.tabs[x]; --x)
 			/* nothing */ ;
 	}
 	tmoveto(x, term.c.y);
@@ -1546,8 +1608,9 @@ void
 tputc(char *c) {
 	char ascii = *c;
 
-	if (fileio)
-		putc(ascii, fileio);
+	if(iofd != -1)
+		write(iofd, c, 1);
+
 	if(term.esc & ESC_START) {
 		if(term.esc & ESC_CSI) {
 			csiescseq.buf[csiescseq.len++] = ascii;
@@ -1566,7 +1629,7 @@ tputc(char *c) {
 				break;
 			default:
 				strescseq.buf[strescseq.len++] = ascii;
-				if (strescseq.len+1 >= STR_BUF_SIZ) {
+				if(strescseq.len+1 >= STR_BUF_SIZ) {
 					term.esc = 0;
 					strhandle();
 				}
@@ -1596,6 +1659,7 @@ tputc(char *c) {
 			case '_': /* APC -- Application Program Command */
 			case '^': /* PM -- Privacy Message */
 			case ']': /* OSC -- Operating System Command */
+			case 'k': /* old title set compatibility */
 				strreset();
 				strescseq.type = ascii;
 				term.esc |= ESC_STR;
@@ -1628,6 +1692,7 @@ tputc(char *c) {
 			case 'c': /* RIS -- Reset to inital state */
 				treset();
 				term.esc = 0;
+				xresettitle();
 				break;
 			case '=': /* DECPAM -- Application keypad */
 				term.mode |= MODE_APPKEYPAD;
@@ -1658,6 +1723,8 @@ tputc(char *c) {
 		if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
 			sel.bx = -1;
 		switch(ascii) {
+		case '\0': /* padding character, do nothing */
+			break;
 		case '\t':
 			tputtab(1);
 			break;
@@ -1722,16 +1789,16 @@ tresize(int col, int row) {
 	}
 
 	/* resize to new height */
-	term.line = realloc(term.line, row * sizeof(Line));
-	term.alt  = realloc(term.alt,  row * sizeof(Line));
-	term.dirty = realloc(term.dirty, row * sizeof(*term.dirty));
-	term.tabs = realloc(term.tabs, col * sizeof(*term.tabs));
+	term.line = xrealloc(term.line, row * sizeof(Line));
+	term.alt  = xrealloc(term.alt,  row * sizeof(Line));
+	term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
+	term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
 
 	/* resize each row to new width, zero-pad if needed */
 	for(i = 0; i < minrow; i++) {
 		term.dirty[i] = 1;
-		term.line[i] = realloc(term.line[i], col * sizeof(Glyph));
-		term.alt[i]  = realloc(term.alt[i],  col * sizeof(Glyph));
+		term.line[i] = xrealloc(term.line[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;
@@ -1744,13 +1811,13 @@ tresize(int col, int row) {
 		term.line[i] = calloc(col, sizeof(Glyph));
 		term.alt [i] = calloc(col, sizeof(Glyph));
 	}
-	if (col > term.col) {
+	if(col > term.col) {
 		bool *bp = term.tabs + term.col;
 
 		memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
-		while (--bp > term.tabs && !*bp)
+		while(--bp > term.tabs && !*bp)
 			/* nothing */ ;
-		for (bp += TAB; bp < term.tabs + col; bp += TAB)
+		for(bp += TAB; bp < term.tabs + col; bp += TAB)
 			*bp = 1;
 	}
 	/* update terminal size */
@@ -1803,7 +1870,7 @@ xloadcols(void) {
 
 	for(r = 0; r < 24; r++, i++) {
 		color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
-		if (!XAllocColor(xw.dpy, xw.cmap, &color)) {
+		if(!XAllocColor(xw.dpy, xw.cmap, &color)) {
 			dc.col[i] = white;
 			fprintf(stderr, "Could not allocate color %d\n", i);
 		} else
@@ -1878,14 +1945,24 @@ xgetfontinfo(XFontSet set, int *ascent, int *descent, short *lbearing, short *rb
 }
 
 void
-initfonts(char *fontstr, char *bfontstr) {
-	if((dc.font.set = xinitfont(fontstr)) == NULL ||
-	   (dc.bfont.set = xinitfont(bfontstr)) == NULL)
-		die("Can't load font %s\n", dc.font.set ? BOLDFONT : FONT);
+initfonts(char *fontstr, char *bfontstr, char *ifontstr, char *ibfontstr) {
+	if((dc.font.set = xinitfont(fontstr)) == NULL)
+		die("Can't load font %s\n", fontstr);
+	if((dc.bfont.set = xinitfont(bfontstr)) == NULL)
+		die("Can't load bfont %s\n", bfontstr);
+	if((dc.ifont.set = xinitfont(ifontstr)) == NULL)
+		die("Can't load ifont %s\n", ifontstr);
+	if((dc.ibfont.set = xinitfont(ibfontstr)) == NULL)
+		die("Can't load ibfont %s\n", ibfontstr);
+
 	xgetfontinfo(dc.font.set, &dc.font.ascent, &dc.font.descent,
 	    &dc.font.lbearing, &dc.font.rbearing);
 	xgetfontinfo(dc.bfont.set, &dc.bfont.ascent, &dc.bfont.descent,
 	    &dc.bfont.lbearing, &dc.bfont.rbearing);
+	xgetfontinfo(dc.ifont.set, &dc.ifont.ascent, &dc.ifont.descent,
+	    &dc.ifont.lbearing, &dc.ifont.rbearing);
+	xgetfontinfo(dc.ibfont.set, &dc.ibfont.ascent, &dc.ibfont.descent,
+	    &dc.ibfont.lbearing, &dc.ibfont.rbearing);
 }
 
 void
@@ -1893,58 +1970,61 @@ xinit(void) {
 	XSetWindowAttributes attrs;
 	Cursor cursor;
 	Window parent;
-	int sw, sh;
+	int sw, sh, major, minor;
 
 	if(!(xw.dpy = XOpenDisplay(NULL)))
 		die("Can't open display\n");
 	xw.scr = XDefaultScreen(xw.dpy);
 
+	/* font */
+	initfonts(FONT, BOLDFONT, ITALICFONT, ITALICBOLDFONT);
+
+	/* XXX: Assuming same size for bold font */
+	xw.cw = dc.font.rbearing - dc.font.lbearing;
+	xw.ch = dc.font.ascent + dc.font.descent;
+
+	/* colors */
+	xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
+	xloadcols();
+
 	/* adjust fixed window geometry */
 	if(xw.isfixed) {
 		sw = DisplayWidth(xw.dpy, xw.scr);
-		sh = DisplayWidth(xw.dpy, xw.scr);
+		sh = DisplayHeight(xw.dpy, xw.scr);
 		if(xw.fx < 0)
-			xw.fx = sw + xw.fx - xw.fw;
+			xw.fx = sw + xw.fx - xw.fw - 1;
 		if(xw.fy < 0)
-			xw.fy = sh + xw.fy - xw.fh;
+			xw.fy = sh + xw.fy - xw.fh - 1;
+
+		xw.h = xw.fh;
+		xw.w = xw.fw;
 	} else {
 		/* window - default size */
 		xw.h = 2*BORDER + term.row * xw.ch;
 		xw.w = 2*BORDER + term.col * xw.cw;
-		xw.fw = xw.w;
-		xw.fh = xw.h;
+		xw.fx = 0;
+		xw.fy = 0;
 	}
 
-	/* font */
-	initfonts(FONT, BOLDFONT);
-
-	/* XXX: Assuming same size for bold font */
-	xw.cw = dc.font.rbearing - dc.font.lbearing;
-	xw.ch = dc.font.ascent + dc.font.descent;
-
-	/* colors */
-	xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
-	xloadcols();
-
 	attrs.background_pixel = dc.col[DefaultBG];
 	attrs.border_pixel = dc.col[DefaultBG];
 	attrs.bit_gravity = NorthWestGravity;
 	attrs.event_mask = FocusChangeMask | KeyPressMask
 		| ExposureMask | VisibilityChangeMask | StructureNotifyMask
-		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask
-		| EnterWindowMask | LeaveWindowMask;
+		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
 	attrs.colormap = xw.cmap;
 
 	parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr);
 	xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy,
-			xw.fw, xw.fh, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
+			xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
 			XDefaultVisual(xw.dpy, xw.scr),
 			CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
 			| CWColormap,
 			&attrs);
+	if(!XdbeQueryExtension(xw.dpy, &major, &minor))
+		die("Xdbe extension is not present\n");
 	xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied);
 
-
 	/* input methods */
 	xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
 	xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
@@ -1962,7 +2042,7 @@ xinit(void) {
 
 	xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
 
-	XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st");
+	xresettitle();
 	XMapWindow(xw.dpy, xw.win);
 	xhints();
 	XSync(xw.dpy, 0);
@@ -1991,6 +2071,11 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 		fontset = dc.bfont.set;
 	}
 
+	if(base.mode & ATTR_ITALIC)
+		fontset = dc.ifont.set;
+	if(base.mode & (ATTR_ITALIC|ATTR_ITALIC))
+		fontset = dc.ibfont.set;
+
 	XSetBackground(xw.dpy, dc.gc, dc.col[bg]);
 	XSetForeground(xw.dpy, dc.gc, dc.col[fg]);
 
@@ -2015,7 +2100,6 @@ void
 xcopy() {
 	XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
 	XdbeSwapBuffers(xw.dpy, swpinfo, 1);
-
 }
 
 void
@@ -2038,7 +2122,7 @@ xdrawcursor(void) {
 	} else
 		xclear(oldx, oldy, oldx, oldy);
 
-	xcopy(oldx, oldy, 1, 1);
+	xcopy();
 
 	/* draw the new one */
 	if(!(term.c.state & CURSOR_HIDE)) {
@@ -2053,7 +2137,12 @@ xdrawcursor(void) {
 		oldx = term.c.x, oldy = term.c.y;
 	}
 
-	xcopy(term.c.x, term.c.y, 1, 1);
+	xcopy();
+}
+
+void
+xresettitle(void) {
+	XStoreName(xw.dpy, xw.win, opt_title ? opt_title : "st");
 }
 
 void
@@ -2076,7 +2165,10 @@ drawregion(int x1, int y1, int x2, int y2) {
 	int ic, ib, x, y, ox, sl;
 	Glyph base, new;
 	char buf[DRAW_BUF_SIZ];
+	bool ena_sel = sel.bx != -1, alt = IS_SET(MODE_ALTSCREEN);
 
+	if((sel.alt && !alt) || (!sel.alt && alt))
+		ena_sel = 0;
 	if(!(xw.state & WIN_VISIBLE))
 		return;
 
@@ -2089,7 +2181,7 @@ drawregion(int x1, int y1, int x2, int y2) {
 		ic = ib = ox = 0;
 		for(x = x1; x < x2; x++) {
 			new = term.line[y][x];
-			if(sel.bx != -1 && *(new.c) && selected(x, y))
+			if(ena_sel && *(new.c) && selected(x, y))
 				new.mode ^= ATTR_REVERSE;
 			if(ib > 0 && (!(new.state & GLYPH_SET) || ATTRCMP(base, new) ||
 						  ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
@@ -2222,11 +2314,11 @@ void
 cmessage(XEvent *e) {
 	/* See xembed specs
 	   http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html */
-	if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
-		if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
+	if(e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
+		if(e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
 			xw.state |= WIN_FOCUSED;
 			xseturgency(0);
-		} else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
+		} else if(e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
 			xw.state &= ~WIN_FOCUSED;
 		}
 		draw();
@@ -2248,8 +2340,8 @@ resize(XEvent *e) {
 		return;
 	if(tresize(col, row))
 		draw();
-	ttyresize(col, row);
 	xresize(col, row);
+	ttyresize(col, row);
 }
 
 bool
@@ -2304,6 +2396,7 @@ main(int argc, char *argv[]) {
 	unsigned int wr, hr;
 
 	xw.fw = xw.fh = xw.fx = xw.fy = 0;
+	xw.isfixed = False;
 
 	for(i = 1; i < argc; i++) {
 		switch(argv[i][0] != '-' || argv[i][2] ? -1 : argv[i][1]) {
@@ -2317,7 +2410,7 @@ main(int argc, char *argv[]) {
 			if(++i < argc) opt_embed = argv[i];
 			break;
 		case 'f':
-			if (++i < argc) opt_io = argv[i];
+			if(++i < argc) opt_io = argv[i];
 			break;
 		case 'e':
 			/* eat every remaining arguments */