X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=79746297e62f71f0061aefc06428d7df0a33a20d;hb=8c3757986a41ff8fa95b175be40f67d67d7e27b1;hp=f7f9de8769e593365dd4ac2b458a729bb5b0db9d;hpb=9d82bdd94708fa2daabc0b53f8b71bca2a3c6f0a;p=st.git

diff --git a/st.c b/st.c
index f7f9de8..7974629 100644
--- a/st.c
+++ b/st.c
@@ -104,6 +104,7 @@ typedef struct {
 /* Purely graphic info */
 typedef struct {
 	Display* dis;
+	Colormap cmap;
 	Window win;
 	Pixmap buf;
 	int scr;
@@ -677,7 +678,8 @@ tsetattr(int *attr, int l) {
 			else if(BETWEEN(attr[i], 100, 107))
 				term.c.attr.fg = attr[i] - 100 + 8;
 			else 
-				fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]); 
+				fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]), csidump();
+			
 			break;
 		}
 	}
@@ -795,6 +797,8 @@ csihandle(void) {
 			case 1:
 				term.mode &= ~MODE_APPKEYPAD;
 				break;
+			case 5: /* TODO: DECSCNM -- Remove reverse video */
+				break;
 			case 7:
 				term.mode &= ~MODE_WRAP;
 				break;
@@ -850,11 +854,16 @@ csihandle(void) {
 			case 1:
 				term.mode |= MODE_APPKEYPAD;
 				break;
+			case 5: /* DECSCNM -- Reverve video */
+				/* TODO: set REVERSE on the whole screen (f) */
+				break;
 			case 7:
 				term.mode |= MODE_WRAP;
 				break;
 			case 12: /* att610 -- Start blinking cursor (IGNORED) */
-				break;
+				 /* fallthrough for xterm cvvis = CSI [ ? 12 ; 25 h */
+				if(escseq.narg > 1 && escseq.arg[1] != 25)
+					break;
 			case 25:
 				term.c.state &= ~CURSOR_HIDE;
 				break;
@@ -1060,12 +1069,25 @@ tresize(int col, int row) {
 	int i;
 	int minrow = MIN(row, term.row);
 	int mincol = MIN(col, term.col);
+	int slide = term.c.y - row + 1;
 
 	if(col < 1 || row < 1)
 		return;
 
-	/* free uneeded rows */
-	for(i = row; i < term.row; i++) {
+	/* free unneeded rows */
+	i = 0;
+	if(slide > 0) {
+		/* slide screen to keep cursor where we expect it -
+		 * tscrollup would work here, but we can optimize to
+		 * memmove because we're freeing the earlier lines */
+		for(/* i = 0 */; i < slide; i++) {
+			free(term.line[i]);
+			free(term.alt[i]);
+		}
+		memmove(term.line, term.line + slide, row * sizeof(Line));
+		memmove(term.alt, term.alt + slide, row * sizeof(Line));
+	}
+	for(i += row; i < term.row; i++) {
 		free(term.line[i]);
 		free(term.alt[i]);
 	}
@@ -1100,11 +1122,10 @@ void
 xloadcols(void) {
 	int i, r, g, b;
 	XColor color;
-	Colormap cmap = DefaultColormap(xw.dis, xw.scr);
 	unsigned long white = WhitePixel(xw.dis, xw.scr);
 
 	for(i = 0; i < 16; i++) {
-		if (!XAllocNamedColor(xw.dis, cmap, colorname[i], &color, &color)) {
+		if (!XAllocNamedColor(xw.dis, xw.cmap, colorname[i], &color, &color)) {
 			dc.col[i] = white;
 			fprintf(stderr, "Could not allocate color '%s'\n", colorname[i]);
 		} else
@@ -1118,7 +1139,7 @@ xloadcols(void) {
 				color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
 				color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
 				color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
-				if (!XAllocColor(xw.dis, cmap, &color)) {
+				if (!XAllocColor(xw.dis, xw.cmap, &color)) {
 					dc.col[i] = white;
 					fprintf(stderr, "Could not allocate color %d\n", i);
 				} else
@@ -1128,7 +1149,7 @@ xloadcols(void) {
 
 	for(r = 0; r < 24; r++, i++) {
 		color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
-		if (!XAllocColor(xw.dis, cmap, &color)) {
+		if (!XAllocColor(xw.dis, xw.cmap, &color)) {
 			dc.col[i] = white;
 			fprintf(stderr, "Could not allocate color %d\n", i);
 		} else
@@ -1163,6 +1184,8 @@ xhints(void)
 
 void
 xinit(void) {
+	XSetWindowAttributes attrs;
+
 	if(!(xw.dis = XOpenDisplay(NULL)))
 		die("Can't open display\n");
 	xw.scr = XDefaultScreen(xw.dis);
@@ -1176,25 +1199,32 @@ xinit(void) {
 	xw.ch = dc.font->ascent + dc.font->descent;
 
 	/* colors */
+	xw.cmap = XDefaultColormap(xw.dis, xw.scr);
 	xloadcols();
 
-	/* windows */
-	xw.bufh = term.row * xw.ch;
-	xw.bufw = term.col * xw.cw;
+	/* window - default size */
+	xw.bufh = 24 * xw.ch;
+	xw.bufw = 80 * xw.cw;
 	xw.h = xw.bufh + 2*BORDER;
 	xw.w = xw.bufw + 2*BORDER;
-	xw.win = XCreateSimpleWindow(xw.dis, XRootWindow(xw.dis, xw.scr), 0, 0,
-			xw.w, xw.h, 0,
-			dc.col[DefaultBG],
-			dc.col[DefaultBG]);
+
+	attrs.background_pixel = dc.col[DefaultBG];
+	attrs.border_pixel = dc.col[DefaultBG];
+	attrs.bit_gravity = NorthWestGravity;
+	attrs.event_mask = ExposureMask | KeyPressMask
+		| StructureNotifyMask | FocusChangeMask | PointerMotionMask
+		| ButtonPressMask | ButtonReleaseMask;
+	attrs.colormap = xw.cmap;
+
+	xw.win = XCreateWindow(xw.dis, XRootWindow(xw.dis, xw.scr), 0, 0,
+			xw.w, xw.h, 0, XDefaultDepth(xw.dis, xw.scr), InputOutput,
+			XDefaultVisual(xw.dis, xw.scr),
+			CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
+			| CWColormap,
+			&attrs);
 	xw.buf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr));
 	/* gc */
 	dc.gc = XCreateGC(xw.dis, xw.win, 0, NULL);
-
-	/* event mask */
-	XSelectInput(xw.dis, xw.win, ExposureMask | KeyPressMask
-		| StructureNotifyMask | FocusChangeMask | PointerMotionMask
-		| ButtonPressMask | ButtonReleaseMask);
 	
 	XMapWindow(xw.dis, xw.win);
 	xhints();
@@ -1217,8 +1247,13 @@ xdraws(char *s, Glyph base, int x, int y, int len) {
 	XSetForeground(xw.dis, dc.gc, xfg);
 	
 	if(base.mode & ATTR_GFX)
-		for(i = 0; i < len; i++)
-			s[i] = gfx[(int)s[i]];
+		for(i = 0; i < len; i++) {
+			char c = gfx[(unsigned int)s[i] % 256];
+			if(c)
+				s[i] = c;
+			else if(s[i] > 0x5f)
+				s[i] -= 0x5f;
+		}
 
 	XSetFont(xw.dis, dc.gc, base.mode & ATTR_BOLD ? dc.bfont->fid : dc.font->fid);
 	XDrawImageString(xw.dis, xw.buf, dc.gc, winx, winy, s, len);
@@ -1406,7 +1441,6 @@ resize(XEvent *e) {
 	xw.bufw = MAX(1, xw.bufw);
 	XFreePixmap(xw.dis, xw.buf);
 	xw.buf = XCreatePixmap(xw.dis, xw.win, xw.bufw, xw.bufh, XDefaultDepth(xw.dis, xw.scr));
-	draw(SCREEN_REDRAW);
 }
 
 void