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*/ |
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#include <stdio.h> |
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#include <math.h> |
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#include <sys/ioctl.h> |
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#include <X11/Xlib.h> |
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#define GAMMA 2.2 /* default exponent correction */ |
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#define MINWIDTH (32*COMCW) /* minimum graphics window width */ |
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#define MINHEIGHT MINWIDTH /* minimum graphics window height */ |
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#define MINHEIGHT (MINWIDTH/2) /* minimum graphics window height */ |
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#define BORWIDTH 5 /* border width */ |
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#define COMHEIGHT (COMLH*COMCH) /* command line height (pixels) */ |
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x11_comout, x11_comin, x11_flush, 1.0 |
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}; |
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static int getpixels(), xnewcolr(), freepixels(), resizewindow(), |
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getevent(), getkey(), fixwindow(), x11_getc(); |
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static unsigned long true_pixel(); |
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struct driver * |
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x11_init(name, id) /* initialize driver */ |
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char *name, *id; |
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ourwhite = WhitePixel(ourdisplay,ourscreen); |
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} |
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/* set gamma */ |
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if ((gv = getenv("GAMMA")) != NULL) |
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if ((gv = XGetDefault(ourdisplay, "radiance", "gamma")) != NULL |
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|| (gv = getenv("GAMMA")) != NULL) |
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make_gmap(atof(gv)); |
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else |
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make_gmap(GAMMA); |
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COLOR col; |
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int xmin, ymin, xmax, ymax; |
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{ |
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extern int xnewcolr(); /* pixel assignment routine */ |
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extern unsigned long true_pixel(); |
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unsigned long pixel; |
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if (!mapped) |
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static |
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x11_flush() /* flush output */ |
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{ |
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int n; |
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register char *buf; |
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|
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XNoOp(ourdisplay); |
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while (XPending(ourdisplay) > 0) |
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getevent(); |
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#ifdef FIONREAD |
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if (ioctl(0, FIONREAD, &n) == 0 && n) { /* from stdin */ |
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buf = getcombuf(&x11_driver); |
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n = read(0, buf, n); |
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buf[n] = '\0'; |
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} |
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#endif |
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} |
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x11_comin(inp, prompt) /* read in a command line */ |
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char *inp, *prompt; |
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{ |
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extern int x11_getc(); |
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if (prompt != NULL) |
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if (prompt != NULL) { |
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x11_flush(); /* make sure we get everything */ |
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if (fromcombuf(inp, &x11_driver)) |
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return; |
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else |
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xt_puts(prompt, comline); |
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xt_puts(prompt, comline); |
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} |
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xt_cursor(comline, TBLKCURS); |
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editline(inp, x11_getc, x11_comout); |
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xt_cursor(comline, TNOCURS); |
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if (c_last > c_first) /* key pressed */ |
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return(x11_getc()); |
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/* button pressed */ |
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if (levptr(XButtonPressedEvent)->button & Button1) |
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if (levptr(XButtonPressedEvent)->button == Button1) |
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return(MB1); |
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if (levptr(XButtonPressedEvent)->button & Button2) |
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if (levptr(XButtonPressedEvent)->button == Button2) |
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return(MB2); |
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< |
if (levptr(XButtonPressedEvent)->button & Button3) |
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> |
if (levptr(XButtonPressedEvent)->button == Button3) |
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return(MB3); |
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if (levptr(XButtonPressedEvent)->button & (Button4|Button5)) |
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return(MB1); |
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return(ABORT); |
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} |
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