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macro cleanup.
[st.git] / st.c
diff --git a/st.c b/st.c
index 6a6ea75..8347dbe 100644 (file)
--- a/st.c
+++ b/st.c
@@ -53,7 +53,9 @@
 #define LIMIT(x, a, b)    (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
 #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
 #define IS_SET(flag) (term.mode & (flag))
 #define LIMIT(x, a, b)    (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
 #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
 #define IS_SET(flag) (term.mode & (flag))
-#define TIMEDIFFERENCE(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
+#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
+#define X2COL(x) (((x) - BORDER)/xw.cw)
+#define Y2ROW(y) (((y) - BORDER)/xw.ch)
 
 /* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */
 enum { ATTR_NULL=0 , ATTR_REVERSE=1 , ATTR_UNDERLINE=2, ATTR_BOLD=4, ATTR_GFX=8 };
 
 /* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */
 enum { ATTR_NULL=0 , ATTR_REVERSE=1 , ATTR_UNDERLINE=2, ATTR_BOLD=4, ATTR_GFX=8 };
@@ -62,7 +64,7 @@ enum { CURSOR_UP, CURSOR_DOWN, CURSOR_LEFT, CURSOR_RIGHT,
 enum { CURSOR_DEFAULT = 0, CURSOR_HIDE = 1, CURSOR_WRAPNEXT = 2 };
 enum { GLYPH_SET=1, GLYPH_DIRTY=2 };
 enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4, MODE_ALTSCREEN=8,
 enum { CURSOR_DEFAULT = 0, CURSOR_HIDE = 1, CURSOR_WRAPNEXT = 2 };
 enum { GLYPH_SET=1, GLYPH_DIRTY=2 };
 enum { MODE_WRAP=1, MODE_INSERT=2, MODE_APPKEYPAD=4, MODE_ALTSCREEN=8,
-       MODE_CRLF=16 };
+       MODE_CRLF=16, MODE_MOUSE=32 };
 enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 };
 enum { WIN_VISIBLE=1, WIN_REDRAW=2, WIN_FOCUSED=4 };
 
 enum { ESC_START=1, ESC_CSI=2, ESC_OSC=4, ESC_TITLE=8, ESC_ALTCHARSET=16 };
 enum { WIN_VISIBLE=1, WIN_REDRAW=2, WIN_FOCUSED=4 };
 
@@ -398,22 +400,50 @@ selected(int x, int y) {
 
 void
 getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
 
 void
 getbuttoninfo(XEvent *e, int *b, int *x, int *y) {
-       if(b) 
+       if(b)
                *b = e->xbutton.button;
 
                *b = e->xbutton.button;
 
-       *x = (e->xbutton.x - BORDER)/xw.cw;
-       *y = (e->xbutton.y - BORDER)/xw.ch;
+       *x = X2COL(e->xbutton.x);
+       *y = Y2ROW(e->xbutton.y);
        sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex;
        sel.b.y = MIN(sel.by, sel.ey);
        sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx;
        sel.e.y = MAX(sel.by, sel.ey);
 }
 
        sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex;
        sel.b.y = MIN(sel.by, sel.ey);
        sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx;
        sel.e.y = MAX(sel.by, sel.ey);
 }
 
+void
+mousereport(XEvent *e) {
+       int x = X2COL(e->xbutton.x);
+       int y = Y2ROW(e->xbutton.y);
+       int button = e->xbutton.button;
+       int state = e->xbutton.state;
+       char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 };
+       
+       if(!IS_SET(MODE_MOUSE))
+               return;
+       
+       /* from urxvt */
+       if(e->xbutton.type == ButtonRelease || button == AnyButton)
+               button = 3;
+       else {
+               button -= Button1;
+               if(button >= 3)
+                       button += 64 - 3;
+       }
+       
+       buf[3] = 32 + button + (state & ShiftMask ? 4 : 0)
+               + (state & Mod4Mask    ? 8  : 0)
+               + (state & ControlMask ? 16 : 0);
+       
+       ttywrite(buf, sizeof(buf));
+}
+
 void
 bpress(XEvent *e) {
 void
 bpress(XEvent *e) {
+       mousereport(e);
        sel.mode = 1;
        sel.mode = 1;
-       sel.ex = sel.bx = (e->xbutton.x - BORDER)/xw.cw;
-       sel.ey = sel.by = (e->xbutton.y - BORDER)/xw.ch;
+       sel.ex = sel.bx = X2COL(e->xbutton.x);
+       sel.ey = sel.by = Y2ROW(e->xbutton.y);
 }
 
 void
 }
 
 void
@@ -526,6 +556,7 @@ brelease(XEvent *e) {
 
        sel.mode = 0;
        getbuttoninfo(e, &b, &sel.ex, &sel.ey);
 
        sel.mode = 0;
        getbuttoninfo(e, &b, &sel.ex, &sel.ey);
+       mousereport(e);
        if(sel.bx == sel.ex && sel.by == sel.ey) {
                sel.bx = -1;
                if(b == 2)
        if(sel.bx == sel.ex && sel.by == sel.ey) {
                sel.bx = -1;
                if(b == 2)
@@ -534,26 +565,26 @@ brelease(XEvent *e) {
                        struct timeval now;
                        gettimeofday(&now, NULL);
 
                        struct timeval now;
                        gettimeofday(&now, NULL);
 
-                       if(TIMEDIFFERENCE(now, sel.tclick2) <= TRIPLECLICK_TIMEOUT) {
+                       if(TIMEDIFF(now, sel.tclick2) <= TRIPLECLICK_TIMEOUT) {
                                /* triple click on the line */
                                sel.b.x = sel.bx = 0;
                                sel.e.x = sel.ex = term.col;
                                sel.b.y = sel.e.y = sel.ey;
                                selcopy();
                                /* triple click on the line */
                                sel.b.x = sel.bx = 0;
                                sel.e.x = sel.ex = term.col;
                                sel.b.y = sel.e.y = sel.ey;
                                selcopy();
-                       } else if(TIMEDIFFERENCE(now, sel.tclick1) <= DOUBLECLICK_TIMEOUT) {
+                       } else if(TIMEDIFF(now, sel.tclick1) <= DOUBLECLICK_TIMEOUT) {
                                /* double click to select word */
                                sel.bx = sel.ex;
                                /* double click to select word */
                                sel.bx = sel.ex;
-                               while(term.line[sel.ey][sel.bx-1].state & GLYPH_SET && 
+                               while(term.line[sel.ey][sel.bx-1].state & GLYPH_SET &&
                                          term.line[sel.ey][sel.bx-1].c[0] != ' ') sel.bx--;
                                sel.b.x = sel.bx;
                                          term.line[sel.ey][sel.bx-1].c[0] != ' ') sel.bx--;
                                sel.b.x = sel.bx;
-                               while(term.line[sel.ey][sel.ex+1].state & GLYPH_SET && 
+                               while(term.line[sel.ey][sel.ex+1].state & GLYPH_SET &&
                                          term.line[sel.ey][sel.ex+1].c[0] != ' ') sel.ex++;
                                sel.e.x = sel.ex;
                                sel.b.y = sel.e.y = sel.ey;
                                selcopy();
                        }
                }
                                          term.line[sel.ey][sel.ex+1].c[0] != ' ') sel.ex++;
                                sel.e.x = sel.ex;
                                sel.b.y = sel.e.y = sel.ey;
                                selcopy();
                        }
                }
-       } else if(b == 1) 
+       } else if(b == 1)
                selcopy();
        memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval));
        gettimeofday(&sel.tclick1, NULL);
                selcopy();
        memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval));
        gettimeofday(&sel.tclick1, NULL);
@@ -563,7 +594,7 @@ brelease(XEvent *e) {
 void
 bmotion(XEvent *e) {
        if(sel.mode) {
 void
 bmotion(XEvent *e) {
        if(sel.mode) {
-               int oldey = sel.ey, 
+               int oldey = sel.ey,
                        oldex = sel.ex;
                getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
 
                        oldex = sel.ex;
                getbuttoninfo(e, NULL, &sel.ex, &sel.ey);
 
@@ -597,7 +628,7 @@ execsh(void) {
        exit(EXIT_FAILURE);
 }
 
        exit(EXIT_FAILURE);
 }
 
-void 
+void
 sigchld(int a) {
        int stat = 0;
        if(waitpid(pid, &stat, 0) < 0)
 sigchld(int a) {
        int stat = 0;
        if(waitpid(pid, &stat, 0) < 0)
@@ -650,7 +681,7 @@ dump(char c) {
 void
 ttyread(void) {
        static char buf[BUFSIZ];
 void
 ttyread(void) {
        static char buf[BUFSIZ];
-       static int buflen = 0; 
+       static int buflen = 0;
        char *ptr;
        char s[UTF_SIZ];
        int charsize; /* size of utf8 char in bytes */
        char *ptr;
        char s[UTF_SIZ];
        int charsize; /* size of utf8 char in bytes */
@@ -706,8 +737,8 @@ tcursor(int mode) {
 void
 treset(void) {
        term.c = (TCursor){{
 void
 treset(void) {
        term.c = (TCursor){{
-               .mode = ATTR_NULL, 
-               .fg = DefaultFG, 
+               .mode = ATTR_NULL,
+               .fg = DefaultFG,
                .bg = DefaultBG
        }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
        
                .bg = DefaultBG
        }, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
        
@@ -762,9 +793,9 @@ tscrollup(int orig, int n) {
        
        tclearregion(0, orig, term.col-1, orig+n-1);
        
        
        tclearregion(0, orig, term.col-1, orig+n-1);
        
-       for(i = orig; i <= term.bot-n; i++) { 
+       for(i = orig; i <= term.bot-n; i++) {
                 temp = term.line[i];
                 temp = term.line[i];
-                term.line[i] = term.line[i+n]; 
+                term.line[i] = term.line[i+n];
                 term.line[i+n] = temp;
        }
 }
                 term.line[i+n] = temp;
        }
 }
@@ -894,22 +925,22 @@ tsetattr(int *attr, int l) {
                        term.c.attr.bg = DefaultBG;
                        break;
                case 1:
                        term.c.attr.bg = DefaultBG;
                        break;
                case 1:
-                       term.c.attr.mode |= ATTR_BOLD;   
+                       term.c.attr.mode |= ATTR_BOLD;
                        break;
                        break;
-               case 4: 
+               case 4:
                        term.c.attr.mode |= ATTR_UNDERLINE;
                        break;
                        term.c.attr.mode |= ATTR_UNDERLINE;
                        break;
-               case 7: 
-                       term.c.attr.mode |= ATTR_REVERSE;       
+               case 7:
+                       term.c.attr.mode |= ATTR_REVERSE;
                        break;
                        break;
-               case 22: 
-                       term.c.attr.mode &= ~ATTR_BOLD;  
+               case 22:
+                       term.c.attr.mode &= ~ATTR_BOLD;
                        break;
                        break;
-               case 24: 
+               case 24:
                        term.c.attr.mode &= ~ATTR_UNDERLINE;
                        break;
                        term.c.attr.mode &= ~ATTR_UNDERLINE;
                        break;
-               case 27: 
-                       term.c.attr.mode &= ~ATTR_REVERSE;       
+               case 27:
+                       term.c.attr.mode &= ~ATTR_REVERSE;
                        break;
                case 38:
                        if(i + 2 < l && attr[i + 1] == 5) {
                        break;
                case 38:
                        if(i + 2 < l && attr[i + 1] == 5) {
@@ -920,7 +951,7 @@ tsetattr(int *attr, int l) {
                                        fprintf(stderr, "erresc: bad fgcolor %d\n", attr[i]);
                        }
                        else
                                        fprintf(stderr, "erresc: bad fgcolor %d\n", attr[i]);
                        }
                        else
-                               fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]); 
+                               fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]);
                        break;
                case 39:
                        term.c.attr.fg = DefaultFG;
                        break;
                case 39:
                        term.c.attr.fg = DefaultFG;
@@ -934,7 +965,7 @@ tsetattr(int *attr, int l) {
                                        fprintf(stderr, "erresc: bad bgcolor %d\n", attr[i]);
                        }
                        else
                                        fprintf(stderr, "erresc: bad bgcolor %d\n", attr[i]);
                        }
                        else
-                               fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]); 
+                               fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]);
                        break;
                case 49:
                        term.c.attr.bg = DefaultBG;
                        break;
                case 49:
                        term.c.attr.bg = DefaultBG;
@@ -948,7 +979,7 @@ tsetattr(int *attr, int l) {
                                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.fg = attr[i] - 90 + 8;
                        else if(BETWEEN(attr[i], 100, 107))
                                term.c.attr.fg = attr[i] - 100 + 8;
-                       else 
+                       else
                                fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]), csidump();
                        
                        break;
                                fprintf(stderr, "erresc: gfx attr %d unknown\n", attr[i]), csidump();
                        
                        break;
@@ -968,7 +999,7 @@ tsetscroll(int t, int b) {
                b = temp;
        }
        term.top = t;
                b = temp;
        }
        term.top = t;
-       term.bot = b;    
+       term.bot = b;
 }
 
 void
 }
 
 void
@@ -1085,6 +1116,9 @@ csihandle(void) {
                        case 25:
                                term.c.state |= CURSOR_HIDE;
                                break;
                        case 25:
                                term.c.state |= CURSOR_HIDE;
                                break;
+                       case 1000: /* disable X11 xterm mouse reporting */
+                               term.mode &= ~MODE_MOUSE;
+                               break;
                        case 1049: /* = 1047 and 1048 */
                        case 1047:
                                if(IS_SET(MODE_ALTSCREEN)) {
                        case 1049: /* = 1047 and 1048 */
                        case 1047:
                                if(IS_SET(MODE_ALTSCREEN)) {
@@ -1148,6 +1182,9 @@ csihandle(void) {
                        case 25:
                                term.c.state &= ~CURSOR_HIDE;
                                break;
                        case 25:
                                term.c.state &= ~CURSOR_HIDE;
                                break;
+                       case 1000: /* enable X11 xterm mouse reporting */
+                               term.mode |= MODE_MOUSE;
+                               break;
                        case 1049: /* = 1047 and 1048 */
                        case 1047:
                                if(IS_SET(MODE_ALTSCREEN))
                        case 1049: /* = 1047 and 1048 */
                        case 1047:
                                if(IS_SET(MODE_ALTSCREEN))
@@ -1193,7 +1230,7 @@ csihandle(void) {
 }
 
 void
 }
 
 void
-csidump(void) { 
+csidump(void) {
        int i;
        printf("ESC [ %s", escseq.priv ? "? " : "");
        if(escseq.narg)
        int i;
        printf("ESC [ %s", escseq.priv ? "? " : "");
        if(escseq.narg)
@@ -1226,7 +1263,7 @@ tputc(char *c) {
                                csiparse(), csihandle();
                        }
                        /* TODO: handle other OSC */
                                csiparse(), csihandle();
                        }
                        /* TODO: handle other OSC */
-               } else if(term.esc & ESC_OSC) { 
+               } else if(term.esc & ESC_OSC) {
                        if(ascii == ';') {
                                term.titlelen = 0;
                                term.esc = ESC_START | ESC_TITLE;
                        if(ascii == ';') {
                                term.titlelen = 0;
                                term.esc = ESC_START | ESC_TITLE;
@@ -1550,7 +1587,7 @@ xinit(void) {
        initfonts(FONT, BOLDFONT);
 
        /* XXX: Assuming same size for bold font */
        initfonts(FONT, BOLDFONT);
 
        /* XXX: Assuming same size for bold font */
-       xw.cw = dc.font.rbearing - dc.font.lbearing;
+       xw.cw = dc.font.rbearing - dc.font.lbearing;
        xw.ch = dc.font.ascent + dc.font.descent;
 
        /* colors */
        xw.ch = dc.font.ascent + dc.font.descent;
 
        /* colors */
@@ -1582,8 +1619,8 @@ xinit(void) {
 
        /* input methods */
        xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
 
        /* input methods */
        xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
-       xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing 
-                                          | XIMStatusNothing, XNClientWindow, xw.win, 
+       xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
+                                          | XIMStatusNothing, XNClientWindow, xw.win,
                                           XNFocusWindow, xw.win, NULL);
        /* gc */
        dc.gc = XCreateGC(xw.dpy, xw.win, 0, NULL);
                                           XNFocusWindow, xw.win, NULL);
        /* gc */
        dc.gc = XCreateGC(xw.dpy, xw.win, 0, NULL);
@@ -1591,7 +1628,7 @@ xinit(void) {
        /* white cursor, black outline */
        cursor = XCreateFontCursor(xw.dpy, XC_xterm);
        XDefineCursor(xw.dpy, xw.win, cursor);
        /* white cursor, black outline */
        cursor = XCreateFontCursor(xw.dpy, XC_xterm);
        XDefineCursor(xw.dpy, xw.win, cursor);
-       XRecolorCursor(xw.dpy, cursor, 
+       XRecolorCursor(xw.dpy, cursor,
                &(XColor){.red = 0xffff, .green = 0xffff, .blue = 0xffff},
                &(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000});
 
                &(XColor){.red = 0xffff, .green = 0xffff, .blue = 0xffff},
                &(XColor){.red = 0x0000, .green = 0x0000, .blue = 0x0000});
 
@@ -1626,7 +1663,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
        }
 
        XmbDrawImageString(xw.dpy, xw.buf, base.mode & ATTR_BOLD ? dc.bfont.set : dc.font.set,
        }
 
        XmbDrawImageString(xw.dpy, xw.buf, base.mode & ATTR_BOLD ? dc.bfont.set : dc.font.set,
-           dc.gc, winx, winy, s, bytelen);
+               dc.gc, winx, winy, s, bytelen);
        
        if(base.mode & ATTR_UNDERLINE)
                XDrawLine(xw.dpy, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1);
        
        if(base.mode & ATTR_UNDERLINE)
                XDrawLine(xw.dpy, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1);
@@ -1660,7 +1697,7 @@ xdrawcursor(void) {
        }
 }
 
        }
 }
 
-void 
+void
 draw() {
        drawregion(0, 0, term.col, term.row);
 }
 draw() {
        drawregion(0, 0, term.col, term.row);
 }
@@ -1846,7 +1883,7 @@ run(void) {
                }
                if(FD_ISSET(cmdfd, &rfd)) {
                        ttyread();
                }
                if(FD_ISSET(cmdfd, &rfd)) {
                        ttyread();
-                       draw(); 
+                       draw();
                }
                while(XPending(xw.dpy)) {
                        XNextEvent(xw.dpy, &ev);
                }
                while(XPending(xw.dpy)) {
                        XNextEvent(xw.dpy, &ev);