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cleaned up (removed space indentation). select/event bug fixed.
authorAurélien Aptel <aurelien.aptel@gmail.com>
Wed, 27 May 2009 23:33:01 +0000 (01:33 +0200)
committerAurélien Aptel <aurelien.aptel@gmail.com>
Wed, 27 May 2009 23:33:01 +0000 (01:33 +0200)
st.c

diff --git a/st.c b/st.c
index 8ddfa8b..9a8fa35 100644 (file)
--- a/st.c
+++ b/st.c
@@ -1,4 +1,4 @@
-/* See LICENSE for licence details.  */
+/* See LICENSE for licence details.     */
 #include "st.h"
 
 /* Globals */
@@ -27,11 +27,10 @@ execsh(void) {
 }
 
 void
-xbell(void) {   /* visual bell */
+xbell(void) {  /* visual bell */
        XRectangle r = { 0, 0, xw.w, xw.h };
        XSetForeground(xw.dis, dc.gc, dc.col[BellCol]);
        XFillRectangles(xw.dis, xw.win, dc.gc, &r, 1);
-       XFlush(xw.dis);
        usleep(30000);
        draw(SCredraw);
 }
@@ -127,7 +126,7 @@ escfinal(char c) {
                }
        else if(BETWEEN(c, 0x40, 0x7E))
                return 1;
-       return 0;     
+       return 0;         
 }
 
 void
@@ -168,7 +167,7 @@ tscroll(void) {
                term.line[i] = term.line[i+1];
        memset(temp, 0, sizeof(Glyph) * term.col);
        term.line[term.bot] = temp;
-       xscroll();    
+       xscroll();        
 }
 
 void
@@ -372,13 +371,13 @@ tsetattr(int *attr, int l) {
                                term.c.attr.bg = DefaultBG;
                                break;
                        case 1:
-                               term.c.attr.mode |= ATbold;  
+                               term.c.attr.mode |= ATbold;      
                                break;
                        case 4: 
                                term.c.attr.mode |= ATunderline;
                                break;
                        case 7: 
-                               term.c.attr.mode |= ATreverse;  
+                               term.c.attr.mode |= ATreverse;  
                                break;
                        case 8:
                                term.c.hidden = CShide;
@@ -390,7 +389,7 @@ tsetattr(int *attr, int l) {
                                term.c.attr.mode &= ~ATunderline;
                                break;
                        case 27: 
-                               term.c.attr.mode &= ~ATreverse;  
+                               term.c.attr.mode &= ~ATreverse;  
                                break;
                        case 39:
                                term.c.attr.fg = DefaultFG;
@@ -420,7 +419,7 @@ tsetscroll(int t, int b) {
                b = temp;
        }
        term.top = t;
-       term.bot = b;    
+       term.bot = b;    
 }
 
 
@@ -481,7 +480,7 @@ eschandle(void) {
                                break;
                        case 2: /* all */
                                tclearregion(0, 0, term.col-1, term.row-1);
-                               break;                
+                               break;                            
                        }
                        break;
                case 'K': /* Clear line */
@@ -501,6 +500,10 @@ eschandle(void) {
                        DEFAULT(escseq.arg[0], 1);
                        tinsertblankline(escseq.arg[0]);
                        break;
+               case 'l':
+                       if(escseq.priv && escseq.arg[0] == 25)
+                               term.c.hidden = 1;
+                       break;
                case 'M': /* Delete <n> lines */
                        DEFAULT(escseq.arg[0], 1);
                        tdeleteline(escseq.arg[0]);
@@ -514,6 +517,8 @@ eschandle(void) {
                        tmoveto(term.c.x, escseq.arg[0]-1);
                        break;
                case 'h': /* Set terminal mode */
+                       if(escseq.priv && escseq.arg[0] == 25)
+                               term.c.hidden = 0;
                        break;
                case 'm': /* Terminal attribute (color) */
                        tsetattr(escseq.arg, escseq.narg);
@@ -542,15 +547,15 @@ void
 escdump(void) { 
        int i;
        puts("------");
-       printf("rawbuf  : %s\n", escseq.buf);
+       printf("rawbuf  : %s\n", escseq.buf);
        printf("prechar : %c\n", escseq.pre);
        printf("private : %c\n", escseq.priv ? '?' : ' ');
-       printf("narg    : %d\n", escseq.narg);
+       printf("narg    : %d\n", escseq.narg);
        if(escseq.narg) {
                for(i = 0; i < escseq.narg; i++)
                        printf("\targ %d = %d\n", i, escseq.arg[i]);
        }
-       printf("mode    : %c\n", escseq.mode);
+       printf("mode    : %c\n", escseq.mode);
 }
 
 void
@@ -560,20 +565,21 @@ escreset(void) {
 
 void
 tputtab(void) {
-    int space = TAB - term.c.x % TAB;
-    
-    if(term.c.x + space >= term.col)
-        space--;
-    
-    for(; space > 0; space--)
-        tcursor(CSright);
+       int space = TAB - term.c.x % TAB;
+       
+       if(term.c.x + space >= term.col)
+               space--;
+       
+       for(; space > 0; space--)
+               tcursor(CSright);
 }
 
 void
 tputc(char c) {
        static int inesc = 0;
-
-       //dump(c);
+#if 0
+       dump(c);
+#endif 
        /* start of escseq */
        if(c == '\033')
                escreset(), inesc = 1;
@@ -585,9 +591,9 @@ tputc(char c) {
                        tsetchar(c);
                        tcursor(CSright);
                        break;
-        case '\t':
-            tputtab();
-            break;
+               case '\t':
+                       tputtab();
+                       break;
                case '\b':
                        tcursor(CSleft);
                        break;
@@ -636,24 +642,24 @@ tresize(int col, int row) {
 
        if(col < 1 || row < 1)
                return;
-    /* alloc */
+       /* alloc */
        line = calloc(row, sizeof(Line));
        for(i = 0 ; i < row; i++)
                line[i] = calloc(col, sizeof(Glyph));
-    /* copy */
-    for(i = 0 ; i < minrow; i++)
-        memcpy(line[i], term.line[i], mincol * sizeof(Glyph));
-    /* free */
-    for(i = 0; i < term.row; i++)
-        free(term.line[i]);
+       /* copy */
+       for(i = 0 ; i < minrow; i++)
+               memcpy(line[i], term.line[i], mincol * sizeof(Glyph));
+       /* free */
+       for(i = 0; i < term.row; i++)
+               free(term.line[i]);
        free(term.line);
-
+       
        LIMIT(term.c.x, 0, col-1);
        LIMIT(term.c.y, 0, row-1);
        LIMIT(term.top, 0, row-1);
        LIMIT(term.bot, 0, row-1);
-
-    term.bot = row-1;
+       
+       term.bot = row-1;
        term.line = line;
        term.col = col, term.row = row;
 }
@@ -706,12 +712,12 @@ xinit(void) {
 
        xw.dis = XOpenDisplay(NULL);
        xw.scr = XDefaultScreen(xw.dis);
-    if(!xw.dis)
-        die("can not open display");
-    
+       if(!xw.dis)
+               die("can not open display");
+       
        /* font */
        if(!(dc.font = XLoadQueryFont(xw.dis, FONT)))
-        die("can not find font " FONT);
+               die("can not find font " FONT);
 
        xw.cw = dc.font->max_bounds.rbearing - dc.font->min_bounds.lbearing;
        xw.ch = dc.font->ascent + dc.font->descent + LINESPACE;
@@ -724,7 +730,7 @@ xinit(void) {
        term.c.attr.bg = DefaultBG;
        term.c.attr.mode = ATnone;
        /* windows */
-    xw.h = term.row * xw.ch;
+       xw.h = term.row * xw.ch;
        xw.w = term.col * xw.cw;
        /* XXX: this BORDER is useless after the first resize, handle it in xdraws() */
        xw.win = XCreateSimpleWindow(xw.dis, XRootWindow(xw.dis, xw.scr), 0, 0,
@@ -746,7 +752,6 @@ xinit(void) {
        XSetWMProperties(xw.dis, xw.win, NULL, NULL, &args[0], 0, &shint, &wmhint, &chint);
        XStoreName(xw.dis, xw.win, TNAME);
        XSync(xw.dis, 0);
-    
 }
 
 void
@@ -765,7 +770,7 @@ xdrawc(int x, int y, Glyph g) {
        /* string */
        XSetForeground(xw.dis, dc.gc, xfg);
        XDrawString(xw.dis, xw.win, dc.gc, r.x, r.y+dc.font->ascent, &(g.c), 1);
-       if(g.mode & ATbold)  /* XXX: bold hack (draw again at x+1) */
+       if(g.mode & ATbold)      /* XXX: bold hack (draw again at x+1) */
                XDrawString(xw.dis, xw.win, dc.gc, r.x+1, r.y+dc.font->ascent, &(g.c), 1);
        /* underline */
        if(g.mode & ATunderline) {
@@ -779,10 +784,10 @@ xcursor(int mode) {
        static int oldx = 0;
        static int oldy = 0;
        Glyph g = {' ', ATnone, DefaultBG, DefaultCS, 0};
-    
-    LIMIT(oldx, 0, term.col-1);
+       
+       LIMIT(oldx, 0, term.col-1);
        LIMIT(oldy, 0, term.row-1);
-    
+       
        if(term.line[term.c.y][term.c.x].state & CRset)
                g.c = term.line[term.c.y][term.c.x].c;
        /* remove the old cursor */
@@ -825,7 +830,7 @@ kpress(XKeyEvent *e) {
        int meta;
        int shift;
 
-       meta  = e->state & Mod4Mask;
+       meta  = e->state & Mod1Mask;
        shift = e->state & ShiftMask;
        len = XLookupString(e, buf, sizeof(buf), &ksym, NULL);
        if(len > 0) {
@@ -836,11 +841,9 @@ kpress(XKeyEvent *e) {
                return;
        }
        switch(ksym) {
-#ifdef DEBUG1
        default:
-               printf("errkey: %d\n", (int)ksym);
+               fprintf(stderr, "errkey: %d\n", (int)ksym);
                break;
-#endif
        case XK_Up:
        case XK_Down:
        case XK_Left:
@@ -849,13 +852,14 @@ kpress(XKeyEvent *e) {
                ttywrite(buf, 3);
                break;
        case XK_Delete: ttywrite(KEYDELETE, sizeof(KEYDELETE)-1); break;
-       case XK_Home:   ttywrite(  KEYHOME, sizeof(  KEYHOME)-1); break;
-       case XK_End:    ttywrite(   KEYEND, sizeof(   KEYEND)-1); break;
-       case XK_Prior:  ttywrite(  KEYPREV, sizeof(  KEYPREV)-1); break;
-       case XK_Next:   ttywrite(  KEYNEXT, sizeof(  KEYNEXT)-1); break;
+       case XK_Home:  ttywrite(KEYHOME, sizeof(KEYHOME)-1); break;
+       case XK_End:   ttywrite(KEYEND,  sizeof(KEYEND) -1); break;
+       case XK_Prior: ttywrite(KEYPREV, sizeof(KEYPREV)-1); break;
+       case XK_Next:  ttywrite(KEYNEXT, sizeof(KEYNEXT)-1); break;
        case XK_Insert:
                /* XXX: paste X clipboard */
-               if(shift);
+               if(shift)
+                       ;
                break;
        }
 }
@@ -865,7 +869,7 @@ resize(XEvent *e) {
        int col, row;
        col = e->xconfigure.width / xw.cw;
        row = e->xconfigure.height / xw.ch;
-    
+       
        if(term.col != col || term.row != row) {
                tresize(col, row);
                ttyresize(col, row);
@@ -881,37 +885,42 @@ run(void) {
        int ret;
        XEvent ev;
        fd_set rfd;
-       struct timeval tv = {0, 10000};
+       int xfd = XConnectionNumber(xw.dis);
 
        running = 1;
        XSelectInput(xw.dis, xw.win, ExposureMask | KeyPressMask | StructureNotifyMask);
        XResizeWindow(xw.dis, xw.win, xw.w , xw.h); /* seems to fix the resize bug in wmii */
+       
        while(running) {
-               while(XPending(xw.dis)) {
-                       XNextEvent(xw.dis, &ev);
-                       switch (ev.type) {
-                       default:
-                               break;
-                       case KeyPress:
-                               kpress(&ev.xkey);
-                               break;
-                       case Expose:
-                               draw(SCredraw);
-                               break;
-                       case ConfigureNotify:
-                               resize(&ev);
-                               break;
-                       }
-               }
                FD_ZERO(&rfd);
                FD_SET(cmdfd, &rfd);
-               ret = select(cmdfd+1, &rfd, NULL, NULL, &tv);
+               FD_SET(xfd, &rfd);
+               XFlush(xw.dis);
+               ret = select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, NULL);
+
                if(ret < 0) {
                        fprintf(stderr, "select: %m\n");
                        running = 0;
                }
-               if(!ret)
-                       continue;
+               
+               if(FD_ISSET(xfd, &rfd)) {
+                       while(XPending(xw.dis)) {
+                               XNextEvent(xw.dis, &ev);
+                               switch (ev.type) {
+                               default:
+                                       break;
+                               case KeyPress:
+                                       kpress(&ev.xkey);
+                                       break;
+                               case Expose:
+                                       draw(SCredraw);
+                                       break;
+                               case ConfigureNotify:
+                                       resize(&ev);
+                                       break;
+                               }
+                       }
+               }
                if(FD_ISSET(cmdfd, &rfd)) {
                        ttyread();
                        draw(SCupdate);
@@ -926,9 +935,9 @@ main(int argc, char *argv[]) {
        else if(argc != 1)
                die("usage: st [-v]\n");
        setlocale(LC_CTYPE, "");
-    tnew(80, 24);
-    ttynew();
-    xinit();
-    run();
+       tnew(80, 24);
+       ttynew();
+       xinit();
+       run();
        return 0;
 }