Move win-agnostic parts of draw/drawregion to st.c
[st.git] / x.c
diff --git a/x.c b/x.c
index ddae6b6..96944ee 100644 (file)
--- a/x.c
+++ b/x.c
@@ -38,10 +38,9 @@ typedef struct {
        KeySym k;
        uint mask;
        char *s;
-       /* three valued logic variables: 0 indifferent, 1 on, -1 off */
+       /* three-valued logic variables: 0 indifferent, 1 on, -1 off */
        signed char appkey;    /* application keypad */
        signed char appcursor; /* application cursor */
-       signed char crlf;      /* crlf mode          */
 } Key;
 
 /* X modifiers */
@@ -52,6 +51,7 @@ typedef struct {
 /* function definitions used in config.h */
 static void clipcopy(const Arg *);
 static void clippaste(const Arg *);
+static void numlock(const Arg *);
 static void selpaste(const Arg *);
 static void zoom(const Arg *);
 static void zoomabs(const Arg *);
@@ -65,6 +65,7 @@ static void zoomreset(const Arg *);
 #define XEMBED_FOCUS_OUT 5
 
 /* macros */
+#define IS_SET(flag)           ((win.mode & (flag)) != 0)
 #define TRUERED(x)             (((x) & 0xff0000) >> 8)
 #define TRUEGREEN(x)           (((x) & 0xff00))
 #define TRUEBLUE(x)            (((x) & 0xff) << 8)
@@ -128,7 +129,6 @@ static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int)
 static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
 static void xdrawglyph(Glyph, int, int);
 static void xclear(int, int, int, int);
-static void xdrawcursor(void);
 static int xgeommasktogravity(int);
 static void xinit(void);
 static void cresize(int, int);
@@ -157,7 +157,7 @@ static void selnotify(XEvent *);
 static void selclear_(XEvent *);
 static void selrequest(XEvent *);
 static void setsel(char *, Time);
-static void mousesel(XEvent *);
+static void mousesel(XEvent *, int);
 static void mousereport(XEvent *);
 static char *kmap(KeySym, uint);
 static int match(uint, uint);
@@ -197,11 +197,6 @@ static XWindow xw;
 static XSelection xsel;
 static TermWindow win;
 
-enum window_state {
-       WIN_VISIBLE = 1,
-       WIN_FOCUSED = 2
-};
-
 /* Font Ring Cache */
 enum {
        FRC_NORMAL,
@@ -264,6 +259,12 @@ selpaste(const Arg *dummy)
                        xw.win, CurrentTime);
 }
 
+void
+numlock(const Arg *dummy)
+{
+       win.mode ^= MODE_NUMLOCK;
+}
+
 void
 zoom(const Arg *arg)
 {
@@ -313,7 +314,7 @@ y2row(int y)
 }
 
 void
-mousesel(XEvent *e)
+mousesel(XEvent *e, int done)
 {
        int type, seltype = SEL_REGULAR;
        uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
@@ -324,8 +325,9 @@ mousesel(XEvent *e)
                        break;
                }
        }
-
-       selextend(x2col(e->xbutton.x), y2row(e->xbutton.y), seltype);
+       selextend(x2col(e->xbutton.x), y2row(e->xbutton.y), seltype, done);
+       if (done)
+               setsel(getsel(), e->xbutton.time);
 }
 
 void
@@ -389,7 +391,7 @@ mousereport(XEvent *e)
                return;
        }
 
-       ttywrite(buf, len);
+       ttywrite(buf, len, 0);
 }
 
 void
@@ -407,7 +409,7 @@ bpress(XEvent *e)
        for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
                if (e->xbutton.button == ms->b
                                && match(ms->mask, e->xbutton.state)) {
-                       ttysend(ms->s, strlen(ms->s));
+                       ttywrite(ms->s, strlen(ms->s), 1);
                        return;
                }
        }
@@ -519,10 +521,10 @@ selnotify(XEvent *e)
                }
 
                if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
-                       ttywrite("\033[200~", 6);
-               ttysend((char *)data, nitems * format / 8);
+                       ttywrite("\033[200~", 6, 0);
+               ttywrite((char *)data, nitems * format / 8, 1);
                if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
-                       ttywrite("\033[201~", 6);
+                       ttywrite("\033[201~", 6, 0);
                XFree(data);
                /* number of 32-bit chunks returned */
                ofs += nitems * format / 32;
@@ -630,16 +632,10 @@ brelease(XEvent *e)
                return;
        }
 
-       if (e->xbutton.button == Button2) {
+       if (e->xbutton.button == Button2)
                selpaste(NULL);
-       } else if (e->xbutton.button == Button1) {
-               if (sel.mode == SEL_READY) {
-                       mousesel(e);
-                       setsel(getsel(), e->xbutton.time);
-               } else
-                       selclear_(NULL);
-               sel.mode = SEL_IDLE;
-       }
+       else if (e->xbutton.button == Button1)
+               mousesel(e, 1);
 }
 
 void
@@ -650,11 +646,7 @@ bmotion(XEvent *e)
                return;
        }
 
-       if (!sel.mode)
-               return;
-
-       sel.mode = SEL_READY;
-       mousesel(e);
+       mousesel(e, 0);
 }
 
 void
@@ -1100,6 +1092,7 @@ xinit(void)
        XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
                        PropModeReplace, (uchar *)&thispid, 1);
 
+       win.mode = MODE_NUMLOCK;
        resettitle();
        XMapWindow(xw.dpy, xw.win);
        xhints();
@@ -1329,14 +1322,13 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
                fg = &revfg;
        }
 
-
        if (base.mode & ATTR_REVERSE) {
                temp = fg;
                fg = bg;
                bg = temp;
        }
 
-       if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
+       if (base.mode & ATTR_BLINK && win.mode & MODE_BLINK)
                fg = bg;
 
        if (base.mode & ATTR_INVISIBLE)
@@ -1450,7 +1442,7 @@ xdrawcursor(void)
                return;
 
        /* draw the new one */
-       if (win.state & WIN_FOCUSED) {
+       if (IS_SET(MODE_FOCUSED)) {
                switch (win.cursor) {
                case 7: /* st extension: snowman */
                        utf8decode("☃", &g.u, UTF_SIZ);
@@ -1519,59 +1511,51 @@ xsettitle(char *p)
        XFree(prop.value);
 }
 
-void
-draw(void)
+int
+xstartdraw(void)
 {
-       drawregion(0, 0, term.col, term.row);
-       XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w,
-                       win.h, 0, 0);
-       XSetForeground(xw.dpy, dc.gc,
-                       dc.col[IS_SET(MODE_REVERSE)?
-                               defaultfg : defaultbg].pixel);
+       return IS_SET(MODE_VISIBLE);
 }
 
 void
-drawregion(int x1, int y1, int x2, int y2)
+xdrawline(Line line, int x1, int y1, int x2)
 {
-       int i, x, y, ox, numspecs;
+       int i, x, ox, numspecs;
        Glyph base, new;
-       XftGlyphFontSpec *specs;
+       XftGlyphFontSpec *specs = xw.specbuf;
 
-       if (!(win.state & WIN_VISIBLE))
-               return;
-
-       for (y = y1; y < y2; y++) {
-               if (!term.dirty[y])
+       numspecs = xmakeglyphfontspecs(specs, &line[x1], x2 - x1, x1, y1);
+       i = ox = 0;
+       for (x = x1; x < x2 && i < numspecs; x++) {
+               new = line[x];
+               if (new.mode == ATTR_WDUMMY)
                        continue;
-
-               term.dirty[y] = 0;
-
-               specs = xw.specbuf;
-               numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
-
-               i = ox = 0;
-               for (x = x1; x < x2 && i < numspecs; x++) {
-                       new = term.line[y][x];
-                       if (new.mode == ATTR_WDUMMY)
-                               continue;
-                       if (selected(x, y))
-                               new.mode ^= ATTR_REVERSE;
-                       if (i > 0 && ATTRCMP(base, new)) {
-                               xdrawglyphfontspecs(specs, base, i, ox, y);
-                               specs += i;
-                               numspecs -= i;
-                               i = 0;
-                       }
-                       if (i == 0) {
-                               ox = x;
-                               base = new;
-                       }
-                       i++;
+               if (selected(x, y1))
+                       new.mode ^= ATTR_REVERSE;
+               if (i > 0 && ATTRCMP(base, new)) {
+                       xdrawglyphfontspecs(specs, base, i, ox, y1);
+                       specs += i;
+                       numspecs -= i;
+                       i = 0;
                }
-               if (i > 0)
-                       xdrawglyphfontspecs(specs, base, i, ox, y);
+               if (i == 0) {
+                       ox = x;
+                       base = new;
+               }
+               i++;
        }
-       xdrawcursor();
+       if (i > 0)
+               xdrawglyphfontspecs(specs, base, i, ox, y1);
+}
+
+void
+xfinishdraw(void)
+{
+       XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w,
+                       win.h, 0, 0);
+       XSetForeground(xw.dpy, dc.gc,
+                       dc.col[IS_SET(MODE_REVERSE)?
+                               defaultfg : defaultbg].pixel);
 }
 
 void
@@ -1585,13 +1569,13 @@ visibility(XEvent *ev)
 {
        XVisibilityEvent *e = &ev->xvisibility;
 
-       MODBIT(win.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
+       MODBIT(win.mode, e->state != VisibilityFullyObscured, MODE_VISIBLE);
 }
 
 void
 unmap(XEvent *ev)
 {
-       win.state &= ~WIN_VISIBLE;
+       win.mode &= ~MODE_VISIBLE;
 }
 
 void
@@ -1601,6 +1585,15 @@ xsetpointermotion(int set)
        XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
 }
 
+void
+xsetmode(int set, unsigned int flags)
+{
+       int mode = win.mode;
+       MODBIT(win.mode, set, flags);
+       if ((win.mode & MODE_REVERSE) != (mode & MODE_REVERSE))
+               redraw();
+}
+
 int
 xsetcursor(int cursor)
 {
@@ -1624,7 +1617,7 @@ xseturgency(int add)
 void
 xbell(void)
 {
-       if (!(win.state & WIN_FOCUSED))
+       if (!(IS_SET(MODE_FOCUSED)))
                xseturgency(1);
        if (bellvolume)
                XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
@@ -1640,15 +1633,15 @@ focus(XEvent *ev)
 
        if (ev->type == FocusIn) {
                XSetICFocus(xw.xic);
-               win.state |= WIN_FOCUSED;
+               win.mode |= MODE_FOCUSED;
                xseturgency(0);
                if (IS_SET(MODE_FOCUS))
-                       ttywrite("\033[I", 3);
+                       ttywrite("\033[I", 3, 0);
        } else {
                XUnsetICFocus(xw.xic);
-               win.state &= ~WIN_FOCUSED;
+               win.mode &= ~MODE_FOCUSED;
                if (IS_SET(MODE_FOCUS))
-                       ttywrite("\033[O", 3);
+                       ttywrite("\033[O", 3, 0);
        }
 }
 
@@ -1683,15 +1676,12 @@ kmap(KeySym k, uint state)
 
                if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
                        continue;
-               if (term.numlock && kp->appkey == 2)
+               if (IS_SET(MODE_NUMLOCK) && kp->appkey == 2)
                        continue;
 
                if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
                        continue;
 
-               if (IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
-                       continue;
-
                return kp->s;
        }
 
@@ -1723,7 +1713,7 @@ kpress(XEvent *ev)
 
        /* 2. custom keys from config.h */
        if ((customkey = kmap(ksym, e->state))) {
-               ttysend(customkey, strlen(customkey));
+               ttywrite(customkey, strlen(customkey), 1);
                return;
        }
 
@@ -1742,7 +1732,7 @@ kpress(XEvent *ev)
                        len = 2;
                }
        }
-       ttysend(buf, len);
+       ttywrite(buf, len, 1);
 }
 
 
@@ -1755,10 +1745,10 @@ cmessage(XEvent *e)
         */
        if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
                if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
-                       win.state |= WIN_FOCUSED;
+                       win.mode |= MODE_FOCUSED;
                        xseturgency(0);
                } else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
-                       win.state &= ~WIN_FOCUSED;
+                       win.mode &= ~MODE_FOCUSED;
                }
        } else if (e->xclient.data.l[0] == xw.wmdeletewin) {
                /* Send SIGHUP to shell */
@@ -1823,7 +1813,7 @@ run(void)
                        if (blinktimeout) {
                                blinkset = tattrset(ATTR_BLINK);
                                if (!blinkset)
-                                       MODBIT(term.mode, 0, MODE_BLINK);
+                                       MODBIT(win.mode, 0, MODE_BLINK);
                        }
                }
 
@@ -1838,7 +1828,7 @@ run(void)
                dodraw = 0;
                if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
                        tsetdirtattr(ATTR_BLINK);
-                       term.mode ^= MODE_BLINK;
+                       win.mode ^= MODE_BLINK;
                        lastblink = now;
                        dodraw = 1;
                }