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/* Copyright (c) 1992 Regents of the University of California */ |
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|
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#endif |
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|
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/* Copyright (c) 1989 Regents of the University of California */ |
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|
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/* |
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* x11.c - driver for X-windows version 11.3 |
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* x11.c - driver for X-windows version 11 |
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* |
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* Jan 1990 |
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*/ |
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#include "color.h" |
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#include "driver.h" |
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#include "x11twind.h" |
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#include "x11icon.h" |
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|
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#define GAMMA 2.2 /* exponent for color correction */ |
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|
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#define MINWIDTH (4*COMCW) /* minimum graphics window width */ |
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#define MINHEIGHT 16 /* minimum graphics window height */ |
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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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|
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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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|
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#define ourscreen DefaultScreen(ourdisplay) |
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#define ourroot RootWindow(ourdisplay,ourscreen) |
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#define ourwhite WhitePixel(ourdisplay,ourscreen) |
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#define ourblack BlackPixel(ourdisplay,ourscreen) |
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|
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#define levptr(etype) ((etype *)¤tevent) |
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|
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static XEvent currentevent; /* current event */ |
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|
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static int ncolors = 0; /* color table size */ |
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static int *pixval = NULL; /* allocated pixels */ |
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static unsigned long *pixval = NULL; /* allocated pixels */ |
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static unsigned long ourblack=0, ourwhite=1; |
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|
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static Display *ourdisplay = NULL; /* our display */ |
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|
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static XVisualInfo ourvinfo; /* our visual information */ |
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|
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static Window gwind = 0; /* our graphics window */ |
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|
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static Cursor pickcursor = 0; /* cursor used for picking */ |
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|
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static GC ourgc = 0; /* our graphics context for drawing */ |
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|
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static Colormap ourmap; /* our color map */ |
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static Colormap ourmap = 0; /* our color map */ |
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|
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extern char *malloc(); |
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extern char *malloc(), *getcombuf(); |
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|
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int x11_close(), x11_clear(), x11_paintr(), x11_errout(), |
72 |
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static int x11_close(), x11_clear(), x11_paintr(), x11_errout(), |
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x11_getcur(), x11_comout(), x11_comin(), x11_flush(); |
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|
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static struct driver x11_driver = { |
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x11_init(name, id) /* initialize driver */ |
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char *name, *id; |
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{ |
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int nplanes; |
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XSetWindowAttributes ourwinattr; |
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XWMHints ourxwmhints; |
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Pixmap bmCursorSrc, bmCursorMsk; |
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XSizeHints oursizhints; |
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|
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ourdisplay = XOpenDisplay(NULL); |
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if (ourdisplay == NULL) { |
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stderr_v("cannot open X-windows; DISPLAY variable set?\n"); |
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return(NULL); |
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} |
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if (DisplayPlanes(ourdisplay, ourscreen) < 4) { |
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stderr_v("not enough colors\n"); |
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return(NULL); |
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/* find a usable visual */ |
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nplanes = DisplayPlanes(ourdisplay, ourscreen); |
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if (XMatchVisualInfo(ourdisplay,ourscreen, |
98 |
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24,TrueColor,&ourvinfo) || |
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XMatchVisualInfo(ourdisplay,ourscreen, |
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24,DirectColor,&ourvinfo)) { |
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ourblack = 0; |
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ourwhite = ourvinfo.red_mask | |
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ourvinfo.green_mask | |
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ourvinfo.blue_mask ; |
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} else { |
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if (nplanes < 4) { |
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stderr_v("not enough colors\n"); |
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return(NULL); |
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} |
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if (!XMatchVisualInfo(ourdisplay,ourscreen, |
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nplanes,PseudoColor,&ourvinfo) && |
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!XMatchVisualInfo(ourdisplay,ourscreen, |
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nplanes,GrayScale,&ourvinfo)) { |
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stderr_v("unsupported visual type\n"); |
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return(NULL); |
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} |
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ourblack = BlackPixel(ourdisplay,ourscreen); |
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ourwhite = WhitePixel(ourdisplay,ourscreen); |
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} |
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ourmap = DefaultColormap(ourdisplay,ourscreen); |
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make_gmap(GAMMA); /* make color map */ |
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/* create a cursor */ |
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pickcursor = XCreateFontCursor (ourdisplay, XC_diamond_cross); |
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make_gmap(GAMMA); |
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/* open window */ |
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gwind = XCreateSimpleWindow(ourdisplay, ourroot, 0, 0, |
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ourwinattr.background_pixel = ourblack; |
123 |
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ourwinattr.border_pixel = ourblack; |
124 |
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/* this is stupid */ |
125 |
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ourwinattr.colormap = XCreateColormap(ourdisplay, ourroot, |
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ourvinfo.visual, AllocNone); |
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gwind = XCreateWindow(ourdisplay, ourroot, 0, 0, |
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DisplayWidth(ourdisplay,ourscreen)-2*BORWIDTH, |
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DisplayHeight(ourdisplay,ourscreen)-2*BORWIDTH, |
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BORWIDTH, ourblack, ourwhite); |
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BORWIDTH, ourvinfo.depth, InputOutput, ourvinfo.visual, |
131 |
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CWBackPixel|CWBorderPixel|CWColormap, &ourwinattr); |
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if (gwind == 0) { |
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stderr_v("cannot create window\n"); |
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return(NULL); |
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} |
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XStoreName(ourdisplay, gwind, id); |
136 |
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XFreeColormap(ourdisplay, ourwinattr.colormap); |
137 |
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XStoreName(ourdisplay, gwind, id); |
138 |
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/* create a cursor */ |
139 |
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pickcursor = XCreateFontCursor(ourdisplay, XC_diamond_cross); |
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ourgc = XCreateGC(ourdisplay, gwind, 0, NULL); |
141 |
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ourxwmhints.flags = InputHint; |
141 |
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ourxwmhints.flags = InputHint|IconPixmapHint; |
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ourxwmhints.input = True; |
143 |
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ourxwmhints.icon_pixmap = XCreateBitmapFromData(ourdisplay, |
144 |
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gwind, x11icon_bits, x11icon_width, x11icon_height); |
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XSetWMHints(ourdisplay, gwind, &ourxwmhints); |
146 |
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oursizhints.min_width = MINWIDTH; |
147 |
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oursizhints.min_height = MINHEIGHT+COMHEIGHT; |
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oursizhints.flags = PMinSize; |
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XSetNormalHints(ourdisplay, gwind, &oursizhints); |
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XSelectInput(ourdisplay, gwind, ExposureMask); |
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XMapWindow(ourdisplay, gwind); |
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XWindowEvent(ourdisplay, gwind, ExposureMask, levptr(XExposeEvent)); |
152 |
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XWindowEvent(ourdisplay, gwind, ExposureMask, levptr(XEvent)); |
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gwidth = levptr(XExposeEvent)->width; |
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gheight = levptr(XExposeEvent)->height - COMHEIGHT; |
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x11_driver.xsiz = gwidth < MINWIDTH ? MINWIDTH : gwidth; |
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xt_close(comline); |
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comline = NULL; |
176 |
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} |
140 |
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if (gwind != 0) { |
141 |
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XFreeGC(ourdisplay, ourgc); |
142 |
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XDestroyWindow(ourdisplay, gwind); |
143 |
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gwind = 0; |
144 |
– |
ourgc = 0; |
145 |
– |
} |
146 |
– |
XFreeCursor(ourdisplay, pickcursor); |
177 |
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freepixels(); |
178 |
+ |
XFreeGC(ourdisplay, ourgc); |
179 |
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XDestroyWindow(ourdisplay, gwind); |
180 |
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gwind = 0; |
181 |
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ourgc = 0; |
182 |
+ |
XFreeCursor(ourdisplay, pickcursor); |
183 |
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XCloseDisplay(ourdisplay); |
184 |
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ourdisplay = NULL; |
185 |
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} |
189 |
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x11_clear(xres, yres) /* clear our display */ |
190 |
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int xres, yres; |
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{ |
192 |
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if (xres != gwidth || yres != gheight) { /* change window */ |
193 |
< |
if (comline != NULL) |
194 |
< |
xt_close(comline); |
192 |
> |
/* check limits */ |
193 |
> |
if (xres < MINWIDTH) |
194 |
> |
xres = MINWIDTH; |
195 |
> |
if (yres < MINHEIGHT) |
196 |
> |
yres = MINHEIGHT; |
197 |
> |
/* resize window */ |
198 |
> |
if (xres != gwidth || yres != gheight) { |
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XSelectInput(ourdisplay, gwind, 0); |
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XResizeWindow(ourdisplay, gwind, xres, yres+COMHEIGHT); |
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comline = xt_open(ourdisplay, |
163 |
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DefaultGC(ourdisplay,ourscreen), |
164 |
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gwind, 0, yres, xres, COMHEIGHT, 0, COMFN); |
165 |
– |
if (comline == NULL) { |
166 |
– |
stderr_v("Cannot open command line window\n"); |
167 |
– |
quit(1); |
168 |
– |
} |
169 |
– |
XSelectInput(ourdisplay, comline->w, ExposureMask); |
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gwidth = xres; |
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gheight = yres; |
203 |
< |
XSync(ourdisplay, 1); /* discard input */ |
203 |
> |
XFlush(ourdisplay); |
204 |
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sleep(2); /* wait for window manager */ |
205 |
+ |
XSync(ourdisplay, 1); /* discard input */ |
206 |
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} |
207 |
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XClearWindow(ourdisplay, gwind); |
208 |
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/* reinitialize color table */ |
209 |
< |
if (getpixels() == 0) |
210 |
< |
stderr_v("cannot allocate colors\n"); |
211 |
< |
else |
212 |
< |
new_ctab(ncolors); |
213 |
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|
209 |
> |
if (ourvinfo.class == PseudoColor || ourvinfo.class == GrayScale) |
210 |
> |
if (getpixels() == 0) |
211 |
> |
stderr_v("cannot allocate colors\n"); |
212 |
> |
else |
213 |
> |
new_ctab(ncolors); |
214 |
> |
/* get new command line */ |
215 |
> |
if (comline != NULL) |
216 |
> |
xt_close(comline); |
217 |
> |
comline = xt_open(ourdisplay, gwind, 0, gheight, |
218 |
> |
gwidth, COMHEIGHT, 0, ourblack, ourwhite, COMFN); |
219 |
> |
if (comline == NULL) { |
220 |
> |
stderr_v("Cannot open command line window\n"); |
221 |
> |
quit(1); |
222 |
> |
} |
223 |
> |
XSelectInput(ourdisplay, comline->w, ExposureMask); |
224 |
> |
/* remove earmuffs */ |
225 |
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XSelectInput(ourdisplay, gwind, |
226 |
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StructureNotifyMask|ExposureMask|KeyPressMask|ButtonPressMask); |
227 |
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} |
233 |
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int xmin, ymin, xmax, ymax; |
234 |
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{ |
235 |
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extern int xnewcolr(); /* pixel assignment routine */ |
236 |
+ |
extern unsigned long true_pixel(); |
237 |
+ |
unsigned long pixel; |
238 |
|
|
239 |
< |
if (ncolors > 0) { |
240 |
< |
XSetForeground(ourdisplay, ourgc, |
241 |
< |
pixval[get_pixel(col, xnewcolr)]); |
242 |
< |
XFillRectangle(ourdisplay, gwind, |
243 |
< |
ourgc, xmin, gheight-ymax, xmax-xmin, ymax-ymin); |
244 |
< |
} |
239 |
> |
if (ncolors > 0) |
240 |
> |
pixel = pixval[get_pixel(col, xnewcolr)]; |
241 |
> |
else if (ourvinfo.class == TrueColor || ourvinfo.class == DirectColor) |
242 |
> |
pixel = true_pixel(col); |
243 |
> |
else |
244 |
> |
return; |
245 |
> |
XSetForeground(ourdisplay, ourgc, pixel); |
246 |
> |
XFillRectangle(ourdisplay, gwind, |
247 |
> |
ourgc, xmin, gheight-ymax, xmax-xmin, ymax-ymin); |
248 |
|
} |
249 |
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|
250 |
|
|
251 |
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static |
252 |
|
x11_flush() /* flush output */ |
253 |
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{ |
254 |
< |
if (ncolors <= 0) /* output necessary for death */ |
207 |
< |
XFillRectangle(ourdisplay, gwind, ourgc, 0, 0, 1 ,1); |
254 |
> |
XNoOp(ourdisplay); |
255 |
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while (XPending(ourdisplay) > 0) |
256 |
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getevent(); |
257 |
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} |
261 |
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x11_comin(inp, prompt) /* read in a command line */ |
262 |
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char *inp, *prompt; |
263 |
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{ |
264 |
< |
int x11_getc(), x11_comout(); |
264 |
> |
extern int x11_getc(); |
265 |
|
|
266 |
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if (prompt != NULL) |
267 |
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if (fromcombuf(inp, &x11_driver)) |
278 |
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x11_comout(out) /* output a string to command line */ |
279 |
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char *out; |
280 |
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{ |
281 |
< |
if (comline != NULL) |
282 |
< |
xt_puts(out, comline); |
283 |
< |
XFlush(ourdisplay); |
281 |
> |
if (comline == NULL) |
282 |
> |
return; |
283 |
> |
xt_puts(out, comline); |
284 |
> |
if (out[strlen(out)-1] == '\n') |
285 |
> |
XFlush(ourdisplay); |
286 |
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} |
287 |
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|
288 |
|
|
290 |
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x11_errout(msg) /* output an error message */ |
291 |
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char *msg; |
292 |
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{ |
244 |
– |
x11_comout(msg); |
293 |
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stderr_v(msg); /* send to stderr also! */ |
294 |
+ |
x11_comout(msg); |
295 |
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} |
296 |
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|
297 |
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|
346 |
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static int |
347 |
|
getpixels() /* get the color map */ |
348 |
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{ |
349 |
< |
Visual *ourvis = DefaultVisual(ourdisplay,ourscreen); |
349 |
> |
XColor thiscolor; |
350 |
> |
register int i, j; |
351 |
|
|
352 |
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if (ncolors > 0) |
353 |
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return(ncolors); |
354 |
< |
for (ncolors=(ourvis->map_entries)-3; ncolors>12; ncolors=ncolors*.937){ |
355 |
< |
pixval = (int *)malloc(ncolors*sizeof(int)); |
354 |
> |
if (ourvinfo.visual == DefaultVisual(ourdisplay,ourscreen)) { |
355 |
> |
ourmap = DefaultColormap(ourdisplay,ourscreen); |
356 |
> |
goto loop; |
357 |
> |
} |
358 |
> |
newmap: |
359 |
> |
ourmap = XCreateColormap(ourdisplay,gwind,ourvinfo.visual,AllocNone); |
360 |
> |
loop: |
361 |
> |
for (ncolors = ourvinfo.colormap_size; |
362 |
> |
ncolors > ourvinfo.colormap_size/3; |
363 |
> |
ncolors = ncolors*.937) { |
364 |
> |
pixval = (unsigned long *)malloc(ncolors*sizeof(unsigned long)); |
365 |
|
if (pixval == NULL) |
366 |
< |
break; |
366 |
> |
return(ncolors = 0); |
367 |
|
if (XAllocColorCells(ourdisplay,ourmap,0,NULL,0, |
368 |
|
pixval,ncolors) != 0) |
369 |
< |
return(ncolors); |
369 |
> |
break; |
370 |
|
free((char *)pixval); |
371 |
+ |
pixval = NULL; |
372 |
|
} |
373 |
< |
return(ncolors = 0); |
373 |
> |
if (pixval == NULL) { |
374 |
> |
if (ourmap == DefaultColormap(ourdisplay,ourscreen)) |
375 |
> |
goto newmap; /* try it with our map */ |
376 |
> |
else |
377 |
> |
return(ncolors = 0); /* failed */ |
378 |
> |
} |
379 |
> |
if (ourmap != DefaultColormap(ourdisplay,ourscreen)) |
380 |
> |
for (i = 0; i < ncolors; i++) { /* reset black and white */ |
381 |
> |
if (pixval[i] != ourblack && pixval[i] != ourwhite) |
382 |
> |
continue; |
383 |
> |
thiscolor.pixel = pixval[i]; |
384 |
> |
thiscolor.flags = DoRed|DoGreen|DoBlue; |
385 |
> |
XQueryColor(ourdisplay, |
386 |
> |
DefaultColormap(ourdisplay,ourscreen), |
387 |
> |
&thiscolor); |
388 |
> |
XStoreColor(ourdisplay, ourmap, &thiscolor); |
389 |
> |
for (j = i; j+1 < ncolors; j++) |
390 |
> |
pixval[j] = pixval[j+1]; |
391 |
> |
ncolors--; |
392 |
> |
i--; |
393 |
> |
} |
394 |
> |
XSetWindowColormap(ourdisplay, gwind, ourmap); |
395 |
> |
return(ncolors); |
396 |
|
} |
397 |
|
|
398 |
|
|
403 |
|
return; |
404 |
|
XFreeColors(ourdisplay,ourmap,pixval,ncolors,0L); |
405 |
|
ncolors = 0; |
406 |
+ |
if (ourmap != DefaultColormap(ourdisplay,ourscreen)) |
407 |
+ |
XFreeColormap(ourdisplay, ourmap); |
408 |
+ |
ourmap = 0; |
409 |
|
} |
410 |
|
|
411 |
|
|
412 |
+ |
static unsigned long |
413 |
+ |
true_pixel(col) /* return true pixel value for color */ |
414 |
+ |
COLOR col; |
415 |
+ |
{ |
416 |
+ |
unsigned long rval; |
417 |
+ |
BYTE rgb[3]; |
418 |
+ |
|
419 |
+ |
map_color(rgb, col); |
420 |
+ |
rval = ourvinfo.red_mask*rgb[RED]/255 & ourvinfo.red_mask; |
421 |
+ |
rval |= ourvinfo.green_mask*rgb[GRN]/255 & ourvinfo.green_mask; |
422 |
+ |
rval |= ourvinfo.blue_mask*rgb[BLU]/255 & ourvinfo.blue_mask; |
423 |
+ |
return(rval); |
424 |
+ |
} |
425 |
+ |
|
426 |
+ |
|
427 |
|
static int |
428 |
|
x11_getc() /* get a command character */ |
429 |
|
{ |
448 |
|
freepixels(); |
449 |
|
break; |
450 |
|
case MapNotify: |
451 |
< |
if (getpixels() == 0) |
452 |
< |
stderr_v("Cannot allocate colors\n"); |
453 |
< |
else |
454 |
< |
new_ctab(ncolors); |
451 |
> |
if (ourvinfo.class == PseudoColor || |
452 |
> |
ourvinfo.class == GrayScale) |
453 |
> |
if (getpixels() == 0) |
454 |
> |
stderr_v("Cannot allocate colors\n"); |
455 |
> |
else |
456 |
> |
new_ctab(ncolors); |
457 |
|
break; |
458 |
|
case Expose: |
459 |
|
fixwindow(levptr(XExposeEvent)); |
471 |
|
getkey(ekey) /* get input key */ |
472 |
|
register XKeyPressedEvent *ekey; |
473 |
|
{ |
474 |
< |
c_last += XLookupString(ekey, c_queue+c_last, sizeof(c_queue)-c_last, |
474 |
> |
register int n; |
475 |
> |
|
476 |
> |
n = XLookupString(ekey, c_queue+c_last, sizeof(c_queue)-c_last, |
477 |
|
NULL, NULL); |
478 |
< |
x11_driver.inpready = c_last-c_first; |
478 |
> |
c_last += n; |
479 |
> |
x11_driver.inpready += n; |
480 |
|
} |
481 |
|
|
482 |
|
|