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#include "copyright.h" |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <X11/Xlib.h> |
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#include "x11twind.h" |
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#ifndef BSD |
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#define bzero(d,n) (void)memset(d,0,n) |
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#endif |
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#define checkcurs(t) if ((t)->cursor) togglecurs(t) |
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#define restorecurs checkcurs |
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TEXTWIND * |
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xt_open(dpy, parent, x, y, width, height, bw, fore, back, fontname) |
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Display *dpy; |
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Window parent; |
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int x, y; |
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int width, height; |
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int bw; |
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unsigned long fore, back; |
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char *fontname; |
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xt_open( |
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Display *dpy, |
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Window parent, |
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int x, int y, |
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int width, int height, |
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int bw, |
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unsigned long fore, unsigned long back, |
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char *fontname |
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) |
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{ |
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register int i; |
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register TEXTWIND *t; |
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int i; |
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TEXTWIND *t; |
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if ((t = (TEXTWIND *)malloc(sizeof(TEXTWIND))) == NULL) |
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return(NULL); |
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void |
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xt_putc(c, t) /* output a character */ |
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int c; |
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register TEXTWIND *t; |
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xt_putc( /* output a character */ |
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int c, |
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TEXTWIND *t |
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) |
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{ |
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char ch[2]; |
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checkcurs(t); |
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switch (c) { |
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case '\n': |
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default: |
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if (t->c >= t->nc) |
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xt_putc('\n', t); |
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ch[0] = c; ch[1] = '\0'; |
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XDrawImageString(t->dpy, t->w, t->gc, LEFTMAR+t->c*Width(t->f), |
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YStart(t->f)+t->r*Height(t->f), &c, 1); |
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YStart(t->f)+t->r*Height(t->f), ch, 1); |
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t->lp[t->r][t->c++] = c; |
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break; |
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} |
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void |
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xt_puts(s, t) /* output a string */ |
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register char *s; |
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TEXTWIND *t; |
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xt_puts(const char *s, TEXTWIND *t) /* output a string */ |
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{ |
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int oldcurs; |
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void |
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xt_delete(t, r) /* delete a line */ |
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register TEXTWIND *t; |
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int r; |
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xt_delete( /* delete a line */ |
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TEXTWIND *t, |
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int r |
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) |
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{ |
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char *cp; |
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register int i; |
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int i; |
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if (r < 0 || r >= t->nr) |
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return; |
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XClearArea(t->dpy, t->w, LEFTMAR, (t->nr-1)*Height(t->f), |
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t->nc*Width(t->f), Height(t->f),(Bool) 0); |
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bzero(cp, t->nc); |
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memset(cp, '\0', t->nc); |
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restorecurs(t); /* should we reposition cursor? */ |
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} |
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void |
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xt_insert(t, r) /* insert a line */ |
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register TEXTWIND *t; |
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int r; |
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xt_insert( /* insert a line */ |
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TEXTWIND *t, |
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int r |
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) |
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{ |
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char *cp; |
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register int i; |
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int i; |
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if (r < 0 || r >= t->nr) |
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return; |
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/* clear new line */ |
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XClearArea(t->dpy, t->w, LEFTMAR, r*Height(t->f), |
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t->nc*Width(t->f), Height(t->f), (Bool) 0); |
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bzero(cp, t->nc); |
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memset(cp, '\0', t->nc); |
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restorecurs(t); /* should we reposition cursor? */ |
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} |
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void |
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xt_redraw(t) /* redraw text window */ |
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register TEXTWIND *t; |
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xt_redraw(TEXTWIND *t) /* redraw text window */ |
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{ |
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register int i; |
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int i; |
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XClearWindow(t->dpy, t->w); |
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for (i = 0; i < t->nr; i++) |
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void |
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xt_clear(t) /* clear text window */ |
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register TEXTWIND *t; |
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xt_clear(TEXTWIND *t) /* clear text window */ |
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{ |
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register int i; |
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int i; |
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XClearWindow(t->dpy, t->w); |
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for (i = 0; i < t->nr; i++) |
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bzero(t->lp[i], t->nc); |
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memset(t->lp[i], '\0', t->nc); |
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t->r = t->c = 0; |
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restorecurs(t); |
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} |
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void |
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xt_move(t, r, c) /* move to new position */ |
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register TEXTWIND *t; |
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int r, c; |
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xt_move( /* move to new position */ |
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TEXTWIND *t, |
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int r, int c |
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) |
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{ |
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if (r < 0 || c < 0 || r >= t->nr || c >= t->nc) |
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return; |
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int |
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xt_cursor(t, curs) /* change cursor */ |
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register TEXTWIND *t; |
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register int curs; |
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xt_cursor( /* change cursor */ |
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TEXTWIND *t, |
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int curs |
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) |
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{ |
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register int oldcurs; |
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int oldcurs; |
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if (curs != TNOCURS && curs != TBLKCURS) |
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return(-1); |
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void |
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xt_close(t) /* close text window */ |
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register TEXTWIND *t; |
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xt_close(TEXTWIND *t) /* close text window */ |
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{ |
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register int i; |
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int i; |
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XFreeFont(t->dpy, t->f); |
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XFreeGC(t->dpy,t->gc); |
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static void |
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togglecurs(t) |
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register TEXTWIND *t; |
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togglecurs(TEXTWIND *t) |
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{ |
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XSetFunction(t->dpy, t->gc, GXinvert); |
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XSetPlaneMask(t->dpy, t->gc, 1L); |