X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=st.c;h=bf3993aa01a7ade722f59adbf6b85047443f5815;hb=f471a32d29ad9e5e06cf5e5d5efc8422483f535e;hp=63c3f853d15711f11c54b534ecf60ec752b6d1f3;hpb=b1d383a0a344e35dad1064e129f70d52bddfd7b2;p=st.git

diff --git a/st.c b/st.c
index 63c3f85..bf3993a 100644
--- a/st.c
+++ b/st.c
@@ -76,6 +76,7 @@ enum glyph_attribute {
 	ATTR_UNDERLINE = 2,
 	ATTR_BOLD      = 4,
 	ATTR_GFX       = 8,
+	ATTR_ITALIC    = 16,
 };
 
 enum cursor_movement {
@@ -238,7 +239,7 @@ typedef struct {
 		short lbearing;
 		short rbearing;
 		XFontSet set;
-	} font, bfont;
+	} font, bfont, ifont;
 } DC;
 
 static void die(const char*, ...);
@@ -290,7 +291,7 @@ 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);
@@ -310,12 +311,13 @@ 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 *);
@@ -335,6 +337,7 @@ static void (*handler[LASTEvent])(XEvent *) = {
 	[MotionNotify] = bmotion,
 	[ButtonPress] = bpress,
 	[ButtonRelease] = brelease,
+	[SelectionClear] = selclear,
 	[SelectionNotify] = selnotify,
 	[SelectionRequest] = selrequest,
 };
@@ -611,6 +614,13 @@ 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);
+}
+
 void
 selrequest(XEvent *e) {
 	XSelectionRequestEvent *xsre;
@@ -739,6 +749,10 @@ execsh(void) {
 	char **args;
 	char *envshell = getenv("SHELL");
 
+	unsetenv("COLUMNS");
+	unsetenv("LINES");
+	unsetenv("TERMCAP");
+
 	DEFAULT(envshell, SHELL);
 	putenv("TERM="TNAME);
 	args = opt_cmd ? opt_cmd : (char*[]){envshell, "-i", NULL};
@@ -843,7 +857,6 @@ ttyresize(int x, int y) {
 	w.ws_col = term.col;
 	w.ws_xpixel = xw.w;
 	w.ws_ypixel = xw.h;
-	w.ws_xpixel = w.ws_ypixel = 0;
 	if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
 		fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
 }
@@ -1119,8 +1132,8 @@ tsetattr(int *attr, int l) {
 		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;
@@ -1131,8 +1144,8 @@ tsetattr(int *attr, int l) {
 		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;
@@ -1883,14 +1896,20 @@ 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) {
+	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);
+
 	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);
 }
 
 void
@@ -1924,7 +1943,7 @@ xinit(void) {
 	}
 
 	/* font */
-	initfonts(FONT, BOLDFONT);
+	initfonts(FONT, BOLDFONT, ITALICFONT);
 
 	/* XXX: Assuming same size for bold font */
 	xw.cw = dc.font.rbearing - dc.font.lbearing;
@@ -1999,6 +2018,9 @@ 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;
+
 	XSetBackground(xw.dpy, dc.gc, dc.col[bg]);
 	XSetForeground(xw.dpy, dc.gc, dc.col[fg]);
 
@@ -2046,7 +2068,7 @@ xdrawcursor(void) {
 	} else
 		xclear(oldx, oldy, oldx, oldy);
 
-	xcopy(oldx, oldy, 1, 1);
+	xcopy();
 
 	/* draw the new one */
 	if(!(term.c.state & CURSOR_HIDE)) {
@@ -2061,7 +2083,7 @@ xdrawcursor(void) {
 		oldx = term.c.x, oldy = term.c.y;
 	}
 
-	xcopy(term.c.x, term.c.y, 1, 1);
+	xcopy();
 }
 
 void