Unhighlight selection when selection is owner by other window

[st.git] / st.c

diff --git a/st.c b/st.c
index 63c3f85..bf3993a 100644 (file)
--- 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