2 c66b5250 2006-06-25 devnull * Some of the stuff in this file is not X-dependent and should be elsewhere.
4 c66b5250 2006-06-25 devnull #include <u.h>
5 c66b5250 2006-06-25 devnull #include "x11-inc.h"
6 c66b5250 2006-06-25 devnull #include <libc.h>
7 c66b5250 2006-06-25 devnull #include <draw.h>
8 c66b5250 2006-06-25 devnull #include <memdraw.h>
9 c66b5250 2006-06-25 devnull #include <keyboard.h>
10 c66b5250 2006-06-25 devnull #include <mouse.h>
11 c66b5250 2006-06-25 devnull #include <cursor.h>
12 c66b5250 2006-06-25 devnull #include "x11-memdraw.h"
14 c66b5250 2006-06-25 devnull static int parsewinsize(char*, Rectangle*, int*);
16 c66b5250 2006-06-25 devnull static void plan9cmap(void);
17 c66b5250 2006-06-25 devnull static int setupcmap(XWindow);
18 c66b5250 2006-06-25 devnull static XGC xgc(XDrawable, int, int);
20 c66b5250 2006-06-25 devnull Xprivate _x;
22 c66b5250 2006-06-25 devnull static int
23 c66b5250 2006-06-25 devnull xerror(XDisplay *d, XErrorEvent *e)
25 c66b5250 2006-06-25 devnull char buf[200];
27 c66b5250 2006-06-25 devnull if(e->request_code == 42) /* XSetInputFocus */
28 c66b5250 2006-06-25 devnull return 0;
29 c66b5250 2006-06-25 devnull if(e->request_code == 18) /* XChangeProperty */
30 c66b5250 2006-06-25 devnull return 0;
32 2bdefab1 2006-07-05 devnull * BadDrawable happens in apps that get resized a LOT,
33 2bdefab1 2006-07-05 devnull * e.g. when KDE is configured to resize continuously
34 2bdefab1 2006-07-05 devnull * during a window drag.
36 2bdefab1 2006-07-05 devnull if(e->error_code == 9) /* BadDrawable */
37 2bdefab1 2006-07-05 devnull return 0;
39 2bdefab1 2006-07-05 devnull fprint(2, "X error: error_code=%d, request_code=%d, minor=%d disp=%p\n",
40 c66b5250 2006-06-25 devnull e->error_code, e->request_code, e->minor_code, d);
41 c66b5250 2006-06-25 devnull XGetErrorText(d, e->error_code, buf, sizeof buf);
42 2bdefab1 2006-07-05 devnull fprint(2, "%s\n", buf);
43 c66b5250 2006-06-25 devnull return 0;
46 c66b5250 2006-06-25 devnull static int
47 c66b5250 2006-06-25 devnull xioerror(XDisplay *d)
49 c66b5250 2006-06-25 devnull /*print("X I/O error\n"); */
50 c66b5250 2006-06-25 devnull sysfatal("X I/O error\n");
52 c66b5250 2006-06-25 devnull return -1;
56 c66b5250 2006-06-25 devnull Memimage*
57 c66b5250 2006-06-25 devnull _xattach(char *label, char *winsize)
59 c66b5250 2006-06-25 devnull char *argv[2], *disp;
60 c66b5250 2006-06-25 devnull int i, havemin, height, mask, n, width, x, xrootid, y;
61 c66b5250 2006-06-25 devnull Rectangle r;
62 c66b5250 2006-06-25 devnull XClassHint classhint;
63 c66b5250 2006-06-25 devnull XDrawable pmid;
64 c66b5250 2006-06-25 devnull XPixmapFormatValues *pfmt;
65 c66b5250 2006-06-25 devnull XScreen *xscreen;
66 c66b5250 2006-06-25 devnull XSetWindowAttributes attr;
67 c66b5250 2006-06-25 devnull XSizeHints normalhint;
68 c66b5250 2006-06-25 devnull XTextProperty name;
69 c66b5250 2006-06-25 devnull XVisualInfo xvi;
70 c66b5250 2006-06-25 devnull XWindow xrootwin;
71 c66b5250 2006-06-25 devnull XWindowAttributes wattr;
72 c66b5250 2006-06-25 devnull XWMHints hint;
73 c66b5250 2006-06-25 devnull Atom atoms[2];
76 c66b5250 2006-06-25 devnull if(XInitThreads() == 0){
77 c66b5250 2006-06-25 devnull fprint(2, "XInitThreads failed\n");
83 c66b5250 2006-06-25 devnull * Connect to X server.
85 c66b5250 2006-06-25 devnull _x.display = XOpenDisplay(NULL);
86 c66b5250 2006-06-25 devnull if(_x.display == nil){
87 c66b5250 2006-06-25 devnull disp = getenv("DISPLAY");
88 c66b5250 2006-06-25 devnull werrstr("XOpenDisplay %s: %r", disp ? disp : ":0");
89 c66b5250 2006-06-25 devnull free(disp);
90 c66b5250 2006-06-25 devnull return nil;
92 c66b5250 2006-06-25 devnull _x.fd = ConnectionNumber(_x.display);
93 c66b5250 2006-06-25 devnull XSetErrorHandler(xerror);
94 c66b5250 2006-06-25 devnull XSetIOErrorHandler(xioerror);
95 c66b5250 2006-06-25 devnull xrootid = DefaultScreen(_x.display);
96 c66b5250 2006-06-25 devnull xrootwin = DefaultRootWindow(_x.display);
99 c66b5250 2006-06-25 devnull * Figure out underlying screen format.
101 c66b5250 2006-06-25 devnull if(XMatchVisualInfo(_x.display, xrootid, 16, TrueColor, &xvi)
102 c66b5250 2006-06-25 devnull || XMatchVisualInfo(_x.display, xrootid, 16, DirectColor, &xvi)){
103 c66b5250 2006-06-25 devnull _x.vis = xvi.visual;
104 c66b5250 2006-06-25 devnull _x.depth = 16;
107 c66b5250 2006-06-25 devnull if(XMatchVisualInfo(_x.display, xrootid, 15, TrueColor, &xvi)
108 c66b5250 2006-06-25 devnull || XMatchVisualInfo(_x.display, xrootid, 15, DirectColor, &xvi)){
109 c66b5250 2006-06-25 devnull _x.vis = xvi.visual;
110 c66b5250 2006-06-25 devnull _x.depth = 15;
113 c66b5250 2006-06-25 devnull if(XMatchVisualInfo(_x.display, xrootid, 24, TrueColor, &xvi)
114 c66b5250 2006-06-25 devnull || XMatchVisualInfo(_x.display, xrootid, 24, DirectColor, &xvi)){
115 c66b5250 2006-06-25 devnull _x.vis = xvi.visual;
116 c66b5250 2006-06-25 devnull _x.depth = 24;
119 c66b5250 2006-06-25 devnull if(XMatchVisualInfo(_x.display, xrootid, 8, PseudoColor, &xvi)
120 c66b5250 2006-06-25 devnull || XMatchVisualInfo(_x.display, xrootid, 8, StaticColor, &xvi)){
121 c66b5250 2006-06-25 devnull if(_x.depth > 8){
122 c66b5250 2006-06-25 devnull werrstr("can't deal with colormapped depth %d screens",
123 c66b5250 2006-06-25 devnull _x.depth);
124 c66b5250 2006-06-25 devnull goto err0;
126 c66b5250 2006-06-25 devnull _x.vis = xvi.visual;
127 c66b5250 2006-06-25 devnull _x.depth = 8;
130 c66b5250 2006-06-25 devnull _x.depth = DefaultDepth(_x.display, xrootid);
131 c66b5250 2006-06-25 devnull if(_x.depth != 8){
132 c66b5250 2006-06-25 devnull werrstr("can't understand depth %d screen", _x.depth);
133 c66b5250 2006-06-25 devnull goto err0;
135 c66b5250 2006-06-25 devnull _x.vis = DefaultVisual(_x.display, xrootid);
138 c66b5250 2006-06-25 devnull if(DefaultDepth(_x.display, xrootid) == _x.depth)
139 c66b5250 2006-06-25 devnull _x.usetable = 1;
142 c66b5250 2006-06-25 devnull * _x.depth is only the number of significant pixel bits,
143 c66b5250 2006-06-25 devnull * not the total number of pixel bits. We need to walk the
144 c66b5250 2006-06-25 devnull * display list to find how many actual bits are used
145 c66b5250 2006-06-25 devnull * per pixel.
147 c66b5250 2006-06-25 devnull _x.chan = 0;
148 c66b5250 2006-06-25 devnull pfmt = XListPixmapFormats(_x.display, &n);
149 c66b5250 2006-06-25 devnull for(i=0; i<n; i++){
150 c66b5250 2006-06-25 devnull if(pfmt[i].depth == _x.depth){
151 c66b5250 2006-06-25 devnull switch(pfmt[i].bits_per_pixel){
152 c66b5250 2006-06-25 devnull case 1: /* untested */
153 c66b5250 2006-06-25 devnull _x.chan = GREY1;
155 c66b5250 2006-06-25 devnull case 2: /* untested */
156 c66b5250 2006-06-25 devnull _x.chan = GREY2;
158 c66b5250 2006-06-25 devnull case 4: /* untested */
159 c66b5250 2006-06-25 devnull _x.chan = GREY4;
162 c66b5250 2006-06-25 devnull _x.chan = CMAP8;
164 c66b5250 2006-06-25 devnull case 15:
165 c66b5250 2006-06-25 devnull _x.chan = RGB15;
167 c66b5250 2006-06-25 devnull case 16: /* how to tell RGB15? */
168 c66b5250 2006-06-25 devnull _x.chan = RGB16;
170 c66b5250 2006-06-25 devnull case 24: /* untested (impossible?) */
171 c66b5250 2006-06-25 devnull _x.chan = RGB24;
173 c66b5250 2006-06-25 devnull case 32:
174 c66b5250 2006-06-25 devnull _x.chan = XRGB32;
179 c66b5250 2006-06-25 devnull if(_x.chan == 0){
180 c66b5250 2006-06-25 devnull werrstr("could not determine screen pixel format");
181 c66b5250 2006-06-25 devnull goto err0;
185 c66b5250 2006-06-25 devnull * Set up color map if necessary.
187 c66b5250 2006-06-25 devnull xscreen = DefaultScreenOfDisplay(_x.display);
188 c66b5250 2006-06-25 devnull _x.cmap = DefaultColormapOfScreen(xscreen);
189 c66b5250 2006-06-25 devnull if(_x.vis->class != StaticColor){
190 c66b5250 2006-06-25 devnull plan9cmap();
191 c66b5250 2006-06-25 devnull setupcmap(xrootwin);
195 c66b5250 2006-06-25 devnull * We get to choose the initial rectangle size.
196 c66b5250 2006-06-25 devnull * This is arbitrary. In theory we should read the
197 c66b5250 2006-06-25 devnull * command line and allow the traditional X options.
199 c66b5250 2006-06-25 devnull mask = 0;
202 c66b5250 2006-06-25 devnull if(winsize && winsize[0]){
203 c66b5250 2006-06-25 devnull if(parsewinsize(winsize, &r, &havemin) < 0)
204 c66b5250 2006-06-25 devnull sysfatal("%r");
207 c66b5250 2006-06-25 devnull * Parse the various X resources. Thanks to Peter Canning.
209 c66b5250 2006-06-25 devnull char *screen_resources, *display_resources, *geom,
210 c66b5250 2006-06-25 devnull *geomrestype, *home, *file;
211 c66b5250 2006-06-25 devnull XrmDatabase database;
212 c66b5250 2006-06-25 devnull XrmValue geomres;
214 c66b5250 2006-06-25 devnull database = XrmGetDatabase(_x.display);
215 c66b5250 2006-06-25 devnull screen_resources = XScreenResourceString(xscreen);
216 c66b5250 2006-06-25 devnull if(screen_resources != nil){
217 c66b5250 2006-06-25 devnull XrmCombineDatabase(XrmGetStringDatabase(screen_resources), &database, False);
218 c66b5250 2006-06-25 devnull XFree(screen_resources);
221 c66b5250 2006-06-25 devnull display_resources = XResourceManagerString(_x.display);
222 c66b5250 2006-06-25 devnull if(display_resources == nil){
223 c66b5250 2006-06-25 devnull home = getenv("HOME");
224 c66b5250 2006-06-25 devnull if(home!=nil && (file=smprint("%s/.Xdefaults", home)) != nil){
225 c66b5250 2006-06-25 devnull XrmCombineFileDatabase(file, &database, False);
226 c66b5250 2006-06-25 devnull free(file);
228 c66b5250 2006-06-25 devnull free(home);
230 c66b5250 2006-06-25 devnull XrmCombineDatabase(XrmGetStringDatabase(display_resources), &database, False);
232 c66b5250 2006-06-25 devnull geom = smprint("%s.geometry", label);
233 c66b5250 2006-06-25 devnull if(geom && XrmGetResource(database, geom, nil, &geomrestype, &geomres))
234 c66b5250 2006-06-25 devnull mask = XParseGeometry(geomres.addr, &x, &y, (uint*)&width, (uint*)&height);
235 c66b5250 2006-06-25 devnull free(geom);
237 c66b5250 2006-06-25 devnull if((mask & WidthValue) && (mask & HeightValue)){
238 c66b5250 2006-06-25 devnull r = Rect(0, 0, width, height);
240 c66b5250 2006-06-25 devnull r = Rect(0, 0, WidthOfScreen(xscreen)*3/4,
241 c66b5250 2006-06-25 devnull HeightOfScreen(xscreen)*3/4);
242 c66b5250 2006-06-25 devnull if(Dx(r) > Dy(r)*3/2)
243 c66b5250 2006-06-25 devnull r.max.x = r.min.x + Dy(r)*3/2;
244 c66b5250 2006-06-25 devnull if(Dy(r) > Dx(r)*3/2)
245 c66b5250 2006-06-25 devnull r.max.y = r.min.y + Dx(r)*3/2;
247 c66b5250 2006-06-25 devnull if(mask & XNegative){
248 c66b5250 2006-06-25 devnull x += WidthOfScreen(xscreen);
250 c66b5250 2006-06-25 devnull if(mask & YNegative){
251 c66b5250 2006-06-25 devnull y += HeightOfScreen(xscreen);
253 c66b5250 2006-06-25 devnull havemin = 0;
256 c66b5250 2006-06-25 devnull memset(&attr, 0, sizeof attr);
257 c66b5250 2006-06-25 devnull attr.colormap = _x.cmap;
258 c66b5250 2006-06-25 devnull attr.background_pixel = ~0;
259 c66b5250 2006-06-25 devnull attr.border_pixel = 0;
260 c66b5250 2006-06-25 devnull _x.drawable = XCreateWindow(
261 c66b5250 2006-06-25 devnull _x.display, /* display */
262 c66b5250 2006-06-25 devnull xrootwin, /* parent */
263 c66b5250 2006-06-25 devnull x, /* x */
264 c66b5250 2006-06-25 devnull y, /* y */
265 c66b5250 2006-06-25 devnull Dx(r), /* width */
266 c66b5250 2006-06-25 devnull Dy(r), /* height */
267 c66b5250 2006-06-25 devnull 0, /* border width */
268 c66b5250 2006-06-25 devnull _x.depth, /* depth */
269 c66b5250 2006-06-25 devnull InputOutput, /* class */
270 c66b5250 2006-06-25 devnull _x.vis, /* visual */
271 c66b5250 2006-06-25 devnull /* valuemask */
272 c66b5250 2006-06-25 devnull CWBackPixel|CWBorderPixel|CWColormap,
273 c66b5250 2006-06-25 devnull &attr /* attributes (the above aren't?!) */
277 c66b5250 2006-06-25 devnull * Label and other properties required by ICCCCM.
279 c66b5250 2006-06-25 devnull memset(&name, 0, sizeof name);
280 c66b5250 2006-06-25 devnull if(label == nil)
281 c66b5250 2006-06-25 devnull label = "pjw-face-here";
282 c66b5250 2006-06-25 devnull name.value = (uchar*)label;
283 c66b5250 2006-06-25 devnull name.encoding = XA_STRING;
284 c66b5250 2006-06-25 devnull name.format = 8;
285 c66b5250 2006-06-25 devnull name.nitems = strlen((char*)name.value);
287 c66b5250 2006-06-25 devnull memset(&normalhint, 0, sizeof normalhint);
288 c66b5250 2006-06-25 devnull normalhint.flags = PSize|PMaxSize;
289 c66b5250 2006-06-25 devnull if(winsize && winsize[0]){
290 c66b5250 2006-06-25 devnull normalhint.flags &= ~PSize;
291 c66b5250 2006-06-25 devnull normalhint.flags |= USSize;
292 c66b5250 2006-06-25 devnull normalhint.width = Dx(r);
293 c66b5250 2006-06-25 devnull normalhint.height = Dy(r);
295 c66b5250 2006-06-25 devnull if((mask & WidthValue) && (mask & HeightValue)){
296 c66b5250 2006-06-25 devnull normalhint.flags &= ~PSize;
297 c66b5250 2006-06-25 devnull normalhint.flags |= USSize;
298 c66b5250 2006-06-25 devnull normalhint.width = width;
299 c66b5250 2006-06-25 devnull normalhint.height = height;
301 c66b5250 2006-06-25 devnull if((mask & WidthValue) && (mask & HeightValue)){
302 c66b5250 2006-06-25 devnull normalhint.flags |= USPosition;
303 c66b5250 2006-06-25 devnull normalhint.x = x;
304 c66b5250 2006-06-25 devnull normalhint.y = y;
308 c66b5250 2006-06-25 devnull normalhint.max_width = WidthOfScreen(xscreen);
309 c66b5250 2006-06-25 devnull normalhint.max_height = HeightOfScreen(xscreen);
311 c66b5250 2006-06-25 devnull memset(&hint, 0, sizeof hint);
312 c66b5250 2006-06-25 devnull hint.flags = InputHint|StateHint;
313 c66b5250 2006-06-25 devnull hint.input = 1;
314 c66b5250 2006-06-25 devnull hint.initial_state = NormalState;
316 c66b5250 2006-06-25 devnull memset(&classhint, 0, sizeof classhint);
317 c66b5250 2006-06-25 devnull classhint.res_name = label;
318 c66b5250 2006-06-25 devnull classhint.res_class = label;
320 c66b5250 2006-06-25 devnull argv[0] = label;
321 c66b5250 2006-06-25 devnull argv[1] = nil;
323 c66b5250 2006-06-25 devnull XSetWMProperties(
324 c66b5250 2006-06-25 devnull _x.display, /* display */
325 c66b5250 2006-06-25 devnull _x.drawable, /* window */
326 c66b5250 2006-06-25 devnull &name, /* XA_WM_NAME property */
327 c66b5250 2006-06-25 devnull &name, /* XA_WM_ICON_NAME property */
328 c66b5250 2006-06-25 devnull argv, /* XA_WM_COMMAND */
329 c66b5250 2006-06-25 devnull 1, /* argc */
330 c66b5250 2006-06-25 devnull &normalhint, /* XA_WM_NORMAL_HINTS */
331 c66b5250 2006-06-25 devnull &hint, /* XA_WM_HINTS */
332 c66b5250 2006-06-25 devnull &classhint /* XA_WM_CLASSHINTS */
334 c66b5250 2006-06-25 devnull XFlush(_x.display);
336 c66b5250 2006-06-25 devnull if(havemin){
337 c66b5250 2006-06-25 devnull XWindowChanges ch;
339 c66b5250 2006-06-25 devnull memset(&ch, 0, sizeof ch);
340 c66b5250 2006-06-25 devnull ch.x = r.min.x;
341 c66b5250 2006-06-25 devnull ch.y = r.min.y;
342 c66b5250 2006-06-25 devnull XConfigureWindow(_x.display, _x.drawable, CWX|CWY, &ch);
344 c66b5250 2006-06-25 devnull * Must pretend origin is 0,0 for X.
346 c66b5250 2006-06-25 devnull r = Rect(0,0,Dx(r),Dy(r));
349 c66b5250 2006-06-25 devnull * Look up clipboard atom.
351 c66b5250 2006-06-25 devnull _x.clipboard = XInternAtom(_x.display, "CLIPBOARD", False);
352 c66b5250 2006-06-25 devnull _x.utf8string = XInternAtom(_x.display, "UTF8_STRING", False);
353 c66b5250 2006-06-25 devnull _x.targets = XInternAtom(_x.display, "TARGETS", False);
354 c66b5250 2006-06-25 devnull _x.text = XInternAtom(_x.display, "TEXT", False);
355 c66b5250 2006-06-25 devnull _x.compoundtext = XInternAtom(_x.display, "COMPOUND_TEXT", False);
356 c66b5250 2006-06-25 devnull _x.takefocus = XInternAtom(_x.display, "WM_TAKE_FOCUS", False);
357 c66b5250 2006-06-25 devnull _x.losefocus = XInternAtom(_x.display, "_9WM_LOSE_FOCUS", False);
358 c66b5250 2006-06-25 devnull _x.wmprotos = XInternAtom(_x.display, "WM_PROTOCOLS", False);
360 c66b5250 2006-06-25 devnull atoms[0] = _x.takefocus;
361 c66b5250 2006-06-25 devnull atoms[1] = _x.losefocus;
362 c66b5250 2006-06-25 devnull XChangeProperty(_x.display, _x.drawable, _x.wmprotos, XA_ATOM, 32,
363 c66b5250 2006-06-25 devnull PropModeReplace, (uchar*)atoms, 2);
366 c66b5250 2006-06-25 devnull * Put the window on the screen, check to see what size we actually got.
368 c66b5250 2006-06-25 devnull XMapWindow(_x.display, _x.drawable);
369 c66b5250 2006-06-25 devnull XSync(_x.display, False);
371 c66b5250 2006-06-25 devnull if(!XGetWindowAttributes(_x.display, _x.drawable, &wattr))
372 c66b5250 2006-06-25 devnull fprint(2, "XGetWindowAttributes failed\n");
373 c66b5250 2006-06-25 devnull else if(wattr.width && wattr.height){
374 c66b5250 2006-06-25 devnull if(wattr.width != Dx(r) || wattr.height != Dy(r)){
375 c66b5250 2006-06-25 devnull r.max.x = wattr.width;
376 c66b5250 2006-06-25 devnull r.max.y = wattr.height;
379 c66b5250 2006-06-25 devnull fprint(2, "XGetWindowAttributes: bad attrs\n");
382 c66b5250 2006-06-25 devnull * Allocate our local backing store.
384 c66b5250 2006-06-25 devnull _x.screenr = r;
385 c66b5250 2006-06-25 devnull _x.screenpm = XCreatePixmap(_x.display, _x.drawable, Dx(r), Dy(r), _x.depth);
386 c66b5250 2006-06-25 devnull _x.nextscreenpm = _x.screenpm;
387 c66b5250 2006-06-25 devnull _x.screenimage = _xallocmemimage(r, _x.chan, _x.screenpm);
390 c66b5250 2006-06-25 devnull * Allocate some useful graphics contexts for the future.
392 c66b5250 2006-06-25 devnull _x.gcfill = xgc(_x.screenpm, FillSolid, -1);
393 c66b5250 2006-06-25 devnull _x.gccopy = xgc(_x.screenpm, -1, -1);
394 c66b5250 2006-06-25 devnull _x.gcsimplesrc = xgc(_x.screenpm, FillStippled, -1);
395 c66b5250 2006-06-25 devnull _x.gczero = xgc(_x.screenpm, -1, -1);
396 c66b5250 2006-06-25 devnull _x.gcreplsrc = xgc(_x.screenpm, FillTiled, -1);
398 c66b5250 2006-06-25 devnull pmid = XCreatePixmap(_x.display, _x.drawable, 1, 1, 1);
399 c66b5250 2006-06-25 devnull _x.gcfill0 = xgc(pmid, FillSolid, 0);
400 c66b5250 2006-06-25 devnull _x.gccopy0 = xgc(pmid, -1, -1);
401 c66b5250 2006-06-25 devnull _x.gcsimplesrc0 = xgc(pmid, FillStippled, -1);
402 c66b5250 2006-06-25 devnull _x.gczero0 = xgc(pmid, -1, -1);
403 c66b5250 2006-06-25 devnull _x.gcreplsrc0 = xgc(pmid, FillTiled, -1);
404 c66b5250 2006-06-25 devnull XFreePixmap(_x.display, pmid);
406 c66b5250 2006-06-25 devnull return _x.screenimage;
410 c66b5250 2006-06-25 devnull * Should do a better job of cleaning up here.
412 c66b5250 2006-06-25 devnull XCloseDisplay(_x.display);
413 c66b5250 2006-06-25 devnull return nil;
417 c66b5250 2006-06-25 devnull _xsetlabel(char *label)
419 c66b5250 2006-06-25 devnull XTextProperty name;
422 c66b5250 2006-06-25 devnull * Label and other properties required by ICCCCM.
424 c66b5250 2006-06-25 devnull memset(&name, 0, sizeof name);
425 c66b5250 2006-06-25 devnull if(label == nil)
426 c66b5250 2006-06-25 devnull label = "pjw-face-here";
427 c66b5250 2006-06-25 devnull name.value = (uchar*)label;
428 c66b5250 2006-06-25 devnull name.encoding = XA_STRING;
429 c66b5250 2006-06-25 devnull name.format = 8;
430 c66b5250 2006-06-25 devnull name.nitems = strlen((char*)name.value);
432 c66b5250 2006-06-25 devnull XSetWMProperties(
433 c66b5250 2006-06-25 devnull _x.display, /* display */
434 c66b5250 2006-06-25 devnull _x.drawable, /* window */
435 c66b5250 2006-06-25 devnull &name, /* XA_WM_NAME property */
436 c66b5250 2006-06-25 devnull &name, /* XA_WM_ICON_NAME property */
437 c66b5250 2006-06-25 devnull nil, /* XA_WM_COMMAND */
438 c66b5250 2006-06-25 devnull 0, /* argc */
439 c66b5250 2006-06-25 devnull nil, /* XA_WM_NORMAL_HINTS */
440 c66b5250 2006-06-25 devnull nil, /* XA_WM_HINTS */
441 c66b5250 2006-06-25 devnull nil /* XA_WM_CLASSHINTS */
443 c66b5250 2006-06-25 devnull XFlush(_x.display);
444 c66b5250 2006-06-25 devnull return 0;
448 c66b5250 2006-06-25 devnull * Create a GC with a particular fill style and XXX.
449 c66b5250 2006-06-25 devnull * Disable generation of GraphicsExpose/NoExpose events in the GC.
451 c66b5250 2006-06-25 devnull static XGC
452 c66b5250 2006-06-25 devnull xgc(XDrawable d, int fillstyle, int foreground)
455 c66b5250 2006-06-25 devnull XGCValues v;
457 c66b5250 2006-06-25 devnull memset(&v, 0, sizeof v);
458 c66b5250 2006-06-25 devnull v.function = GXcopy;
459 c66b5250 2006-06-25 devnull v.graphics_exposures = False;
460 c66b5250 2006-06-25 devnull gc = XCreateGC(_x.display, d, GCFunction|GCGraphicsExposures, &v);
461 c66b5250 2006-06-25 devnull if(fillstyle != -1)
462 c66b5250 2006-06-25 devnull XSetFillStyle(_x.display, gc, fillstyle);
463 c66b5250 2006-06-25 devnull if(foreground != -1)
464 c66b5250 2006-06-25 devnull XSetForeground(_x.display, gc, 0);
465 c66b5250 2006-06-25 devnull return gc;
470 c66b5250 2006-06-25 devnull * Initialize map with the Plan 9 rgbv color map.
472 c66b5250 2006-06-25 devnull static void
473 c66b5250 2006-06-25 devnull plan9cmap(void)
475 c66b5250 2006-06-25 devnull int r, g, b, cr, cg, cb, v, num, den, idx, v7, idx7;
476 c66b5250 2006-06-25 devnull static int once;
478 c66b5250 2006-06-25 devnull if(once)
480 c66b5250 2006-06-25 devnull once = 1;
482 c66b5250 2006-06-25 devnull for(r=0; r!=4; r++)
483 c66b5250 2006-06-25 devnull for(g = 0; g != 4; g++)
484 c66b5250 2006-06-25 devnull for(b = 0; b!=4; b++)
485 c66b5250 2006-06-25 devnull for(v = 0; v!=4; v++){
487 c66b5250 2006-06-25 devnull if(g > den)
489 c66b5250 2006-06-25 devnull if(b > den)
491 c66b5250 2006-06-25 devnull /* divide check -- pick grey shades */
492 c66b5250 2006-06-25 devnull if(den==0)
493 c66b5250 2006-06-25 devnull cr=cg=cb=v*17;
495 c66b5250 2006-06-25 devnull num=17*(4*den+v);
496 c66b5250 2006-06-25 devnull cr=r*num/den;
497 c66b5250 2006-06-25 devnull cg=g*num/den;
498 c66b5250 2006-06-25 devnull cb=b*num/den;
500 c66b5250 2006-06-25 devnull idx = r*64 + v*16 + ((g*4 + b + v - r) & 15);
501 c66b5250 2006-06-25 devnull _x.map[idx].red = cr*0x0101;
502 c66b5250 2006-06-25 devnull _x.map[idx].green = cg*0x0101;
503 c66b5250 2006-06-25 devnull _x.map[idx].blue = cb*0x0101;
504 c66b5250 2006-06-25 devnull _x.map[idx].pixel = idx;
505 c66b5250 2006-06-25 devnull _x.map[idx].flags = DoRed|DoGreen|DoBlue;
507 c66b5250 2006-06-25 devnull v7 = v >> 1;
508 c66b5250 2006-06-25 devnull idx7 = r*32 + v7*16 + g*4 + b;
509 c66b5250 2006-06-25 devnull if((v & 1) == v7){
510 c66b5250 2006-06-25 devnull _x.map7to8[idx7][0] = idx;
511 c66b5250 2006-06-25 devnull if(den == 0) { /* divide check -- pick grey shades */
512 c66b5250 2006-06-25 devnull cr = ((255.0/7.0)*v7)+0.5;
513 c66b5250 2006-06-25 devnull cg = cr;
514 c66b5250 2006-06-25 devnull cb = cr;
517 c66b5250 2006-06-25 devnull num=17*15*(4*den+v7*2)/14;
518 c66b5250 2006-06-25 devnull cr=r*num/den;
519 c66b5250 2006-06-25 devnull cg=g*num/den;
520 c66b5250 2006-06-25 devnull cb=b*num/den;
522 c66b5250 2006-06-25 devnull _x.map7[idx7].red = cr*0x0101;
523 c66b5250 2006-06-25 devnull _x.map7[idx7].green = cg*0x0101;
524 c66b5250 2006-06-25 devnull _x.map7[idx7].blue = cb*0x0101;
525 c66b5250 2006-06-25 devnull _x.map7[idx7].pixel = idx7;
526 c66b5250 2006-06-25 devnull _x.map7[idx7].flags = DoRed|DoGreen|DoBlue;
529 c66b5250 2006-06-25 devnull _x.map7to8[idx7][1] = idx;
534 c66b5250 2006-06-25 devnull * Initialize and install the rgbv color map as a private color map
535 c66b5250 2006-06-25 devnull * for this application. It gets the best colors when it has the
536 c66b5250 2006-06-25 devnull * cursor focus.
538 c66b5250 2006-06-25 devnull * We always choose the best depth possible, but that might not
539 c66b5250 2006-06-25 devnull * be the default depth. On such "suboptimal" systems, we have to allocate an
540 c66b5250 2006-06-25 devnull * empty color map anyway, according to Axel Belinfante.
542 c66b5250 2006-06-25 devnull static int
543 c66b5250 2006-06-25 devnull setupcmap(XWindow w)
545 c66b5250 2006-06-25 devnull char buf[30];
547 c66b5250 2006-06-25 devnull u32int p, pp;
548 c66b5250 2006-06-25 devnull XColor c;
550 c66b5250 2006-06-25 devnull if(_x.depth <= 1)
551 c66b5250 2006-06-25 devnull return 0;
553 c66b5250 2006-06-25 devnull if(_x.depth >= 24) {
554 c66b5250 2006-06-25 devnull if(_x.usetable == 0)
555 c66b5250 2006-06-25 devnull _x.cmap = XCreateColormap(_x.display, w, _x.vis, AllocNone);
558 c66b5250 2006-06-25 devnull * The pixel value returned from XGetPixel needs to
559 c66b5250 2006-06-25 devnull * be converted to RGB so we can call rgb2cmap()
560 c66b5250 2006-06-25 devnull * to translate between 24 bit X and our color. Unfortunately,
561 c66b5250 2006-06-25 devnull * the return value appears to be display server endian
562 c66b5250 2006-06-25 devnull * dependant. Therefore, we run some heuristics to later
563 c66b5250 2006-06-25 devnull * determine how to mask the int value correctly.
564 c66b5250 2006-06-25 devnull * Yeah, I know we can look at _x.vis->byte_order but
565 c66b5250 2006-06-25 devnull * some displays say MSB even though they run on LSB.
566 c66b5250 2006-06-25 devnull * Besides, this is more anal.
568 c66b5250 2006-06-25 devnull c = _x.map[19]; /* known to have different R, G, B values */
569 c66b5250 2006-06-25 devnull if(!XAllocColor(_x.display, _x.cmap, &c)){
570 c66b5250 2006-06-25 devnull werrstr("XAllocColor: %r");
571 c66b5250 2006-06-25 devnull return -1;
573 c66b5250 2006-06-25 devnull p = c.pixel;
574 c66b5250 2006-06-25 devnull pp = rgb2cmap((p>>16)&0xff,(p>>8)&0xff,p&0xff);
575 c66b5250 2006-06-25 devnull if(pp != _x.map[19].pixel) {
576 c66b5250 2006-06-25 devnull /* check if endian is other way */
577 c66b5250 2006-06-25 devnull pp = rgb2cmap(p&0xff,(p>>8)&0xff,(p>>16)&0xff);
578 c66b5250 2006-06-25 devnull if(pp != _x.map[19].pixel){
579 c66b5250 2006-06-25 devnull werrstr("cannot detect X server byte order");
580 c66b5250 2006-06-25 devnull return -1;
583 c66b5250 2006-06-25 devnull switch(_x.chan){
584 c66b5250 2006-06-25 devnull case RGB24:
585 c66b5250 2006-06-25 devnull _x.chan = BGR24;
587 c66b5250 2006-06-25 devnull case XRGB32:
588 c66b5250 2006-06-25 devnull _x.chan = XBGR32;
590 c66b5250 2006-06-25 devnull default:
591 c66b5250 2006-06-25 devnull werrstr("cannot byteswap channel %s",
592 c66b5250 2006-06-25 devnull chantostr(buf, _x.chan));
596 c66b5250 2006-06-25 devnull }else if(_x.vis->class == TrueColor || _x.vis->class == DirectColor){
598 c66b5250 2006-06-25 devnull * Do nothing. We have no way to express a
599 c66b5250 2006-06-25 devnull * mixed-endian 16-bit screen, so pretend they don't exist.
601 c66b5250 2006-06-25 devnull if(_x.usetable == 0)
602 c66b5250 2006-06-25 devnull _x.cmap = XCreateColormap(_x.display, w, _x.vis, AllocNone);
603 c66b5250 2006-06-25 devnull }else if(_x.vis->class == PseudoColor){
604 c66b5250 2006-06-25 devnull if(_x.usetable == 0){
605 c66b5250 2006-06-25 devnull _x.cmap = XCreateColormap(_x.display, w, _x.vis, AllocAll);
606 c66b5250 2006-06-25 devnull XStoreColors(_x.display, _x.cmap, _x.map, 256);
607 c66b5250 2006-06-25 devnull for(i = 0; i < 256; i++){
608 c66b5250 2006-06-25 devnull _x.tox11[i] = i;
609 c66b5250 2006-06-25 devnull _x.toplan9[i] = i;
612 c66b5250 2006-06-25 devnull for(i = 0; i < 128; i++){
613 c66b5250 2006-06-25 devnull c = _x.map7[i];
614 c66b5250 2006-06-25 devnull if(!XAllocColor(_x.display, _x.cmap, &c)){
615 c66b5250 2006-06-25 devnull werrstr("can't allocate colors in 7-bit map");
616 c66b5250 2006-06-25 devnull return -1;
618 c66b5250 2006-06-25 devnull _x.tox11[_x.map7to8[i][0]] = c.pixel;
619 c66b5250 2006-06-25 devnull _x.tox11[_x.map7to8[i][1]] = c.pixel;
620 c66b5250 2006-06-25 devnull _x.toplan9[c.pixel] = _x.map7to8[i][0];
624 c66b5250 2006-06-25 devnull werrstr("unsupported visual class %d", _x.vis->class);
625 c66b5250 2006-06-25 devnull return -1;
627 c66b5250 2006-06-25 devnull return 0;
631 c66b5250 2006-06-25 devnull _flushmemscreen(Rectangle r)
633 c66b5250 2006-06-25 devnull if(_x.nextscreenpm != _x.screenpm){
634 c66b5250 2006-06-25 devnull qlock(&_x.screenlock);
635 c66b5250 2006-06-25 devnull XSync(_x.display, False);
636 c66b5250 2006-06-25 devnull XFreePixmap(_x.display, _x.screenpm);
637 c66b5250 2006-06-25 devnull _x.screenpm = _x.nextscreenpm;
638 c66b5250 2006-06-25 devnull qunlock(&_x.screenlock);
641 c66b5250 2006-06-25 devnull if(r.min.x >= r.max.x || r.min.y >= r.max.y)
643 c66b5250 2006-06-25 devnull XCopyArea(_x.display, _x.screenpm, _x.drawable, _x.gccopy, r.min.x, r.min.y,
644 c66b5250 2006-06-25 devnull Dx(r), Dy(r), r.min.x, r.min.y);
645 c66b5250 2006-06-25 devnull XFlush(_x.display);
649 c66b5250 2006-06-25 devnull _xexpose(XEvent *e)
651 c66b5250 2006-06-25 devnull XExposeEvent *xe;
652 c66b5250 2006-06-25 devnull Rectangle r;
654 c66b5250 2006-06-25 devnull qlock(&_x.screenlock);
655 c66b5250 2006-06-25 devnull if(_x.screenpm != _x.nextscreenpm){
656 c66b5250 2006-06-25 devnull qunlock(&_x.screenlock);
659 c66b5250 2006-06-25 devnull xe = (XExposeEvent*)e;
660 c66b5250 2006-06-25 devnull r.min.x = xe->x;
661 c66b5250 2006-06-25 devnull r.min.y = xe->y;
662 c66b5250 2006-06-25 devnull r.max.x = xe->x+xe->width;
663 c66b5250 2006-06-25 devnull r.max.y = xe->y+xe->height;
664 c66b5250 2006-06-25 devnull XCopyArea(_x.display, _x.screenpm, _x.drawable, _x.gccopy, r.min.x, r.min.y,
665 c66b5250 2006-06-25 devnull Dx(r), Dy(r), r.min.x, r.min.y);
666 c66b5250 2006-06-25 devnull XSync(_x.display, False);
667 c66b5250 2006-06-25 devnull qunlock(&_x.screenlock);
671 c66b5250 2006-06-25 devnull _xdestroy(XEvent *e)
673 c66b5250 2006-06-25 devnull XDestroyWindowEvent *xe;
675 c66b5250 2006-06-25 devnull xe = (XDestroyWindowEvent*)e;
676 c66b5250 2006-06-25 devnull if(xe->window == _x.drawable){
677 c66b5250 2006-06-25 devnull _x.destroyed = 1;
678 c66b5250 2006-06-25 devnull return 1;
680 c66b5250 2006-06-25 devnull return 0;
684 c66b5250 2006-06-25 devnull _xconfigure(XEvent *e)
686 c66b5250 2006-06-25 devnull Rectangle r;
687 c66b5250 2006-06-25 devnull XConfigureEvent *xe = (XConfigureEvent*)e;
689 c66b5250 2006-06-25 devnull if(xe->width == Dx(_x.screenr) && xe->height == Dy(_x.screenr))
690 c66b5250 2006-06-25 devnull return 0;
691 c66b5250 2006-06-25 devnull r = Rect(0, 0, xe->width, xe->height);
692 c66b5250 2006-06-25 devnull qlock(&_x.screenlock);
693 c66b5250 2006-06-25 devnull if(_x.screenpm != _x.nextscreenpm){
694 c66b5250 2006-06-25 devnull XCopyArea(_x.display, _x.screenpm, _x.drawable, _x.gccopy, r.min.x, r.min.y,
695 c66b5250 2006-06-25 devnull Dx(r), Dy(r), r.min.x, r.min.y);
696 c66b5250 2006-06-25 devnull XSync(_x.display, False);
698 c66b5250 2006-06-25 devnull qunlock(&_x.screenlock);
699 c66b5250 2006-06-25 devnull _x.newscreenr = r;
700 c66b5250 2006-06-25 devnull return 1;
704 c66b5250 2006-06-25 devnull _xreplacescreenimage(void)
706 c66b5250 2006-06-25 devnull Memimage *m;
707 c66b5250 2006-06-25 devnull XDrawable pixmap;
708 c66b5250 2006-06-25 devnull Rectangle r;
710 c66b5250 2006-06-25 devnull r = _x.newscreenr;
711 c66b5250 2006-06-25 devnull if(eqrect(_x.screenr, r))
712 c66b5250 2006-06-25 devnull return 0;
714 c66b5250 2006-06-25 devnull pixmap = XCreatePixmap(_x.display, _x.drawable, Dx(r), Dy(r), _x.depth);
715 c66b5250 2006-06-25 devnull m = _xallocmemimage(r, _x.chan, pixmap);
716 c66b5250 2006-06-25 devnull if(_x.nextscreenpm != _x.screenpm)
717 c66b5250 2006-06-25 devnull XFreePixmap(_x.display, _x.nextscreenpm);
718 c66b5250 2006-06-25 devnull _x.nextscreenpm = pixmap;
719 c66b5250 2006-06-25 devnull _x.screenr = r;
720 c66b5250 2006-06-25 devnull _drawreplacescreenimage(m);
721 c66b5250 2006-06-25 devnull return 1;
724 c66b5250 2006-06-25 devnull static int
725 c66b5250 2006-06-25 devnull parsewinsize(char *s, Rectangle *r, int *havemin)
727 c66b5250 2006-06-25 devnull char c, *os;
728 c66b5250 2006-06-25 devnull int i, j, k, l;
731 c66b5250 2006-06-25 devnull *havemin = 0;
732 c66b5250 2006-06-25 devnull *r = Rect(0,0,0,0);
733 c66b5250 2006-06-25 devnull if(!isdigit((uchar)*s))
734 c66b5250 2006-06-25 devnull goto oops;
735 c66b5250 2006-06-25 devnull i = strtol(s, &s, 0);
736 c66b5250 2006-06-25 devnull if(*s == 'x'){
738 c66b5250 2006-06-25 devnull if(!isdigit((uchar)*s))
739 c66b5250 2006-06-25 devnull goto oops;
740 c66b5250 2006-06-25 devnull j = strtol(s, &s, 0);
741 c66b5250 2006-06-25 devnull r->max.x = i;
742 c66b5250 2006-06-25 devnull r->max.y = j;
743 c66b5250 2006-06-25 devnull if(*s == 0)
744 c66b5250 2006-06-25 devnull return 0;
745 c66b5250 2006-06-25 devnull if(*s != '@')
746 c66b5250 2006-06-25 devnull goto oops;
749 c66b5250 2006-06-25 devnull if(!isdigit((uchar)*s))
750 c66b5250 2006-06-25 devnull goto oops;
751 c66b5250 2006-06-25 devnull i = strtol(s, &s, 0);
752 c66b5250 2006-06-25 devnull if(*s != ',' && *s != ' ')
753 c66b5250 2006-06-25 devnull goto oops;
755 c66b5250 2006-06-25 devnull if(!isdigit((uchar)*s))
756 c66b5250 2006-06-25 devnull goto oops;
757 c66b5250 2006-06-25 devnull j = strtol(s, &s, 0);
758 c66b5250 2006-06-25 devnull if(*s != 0)
759 c66b5250 2006-06-25 devnull goto oops;
760 c66b5250 2006-06-25 devnull *r = rectaddpt(*r, Pt(i,j));
761 c66b5250 2006-06-25 devnull *havemin = 1;
762 c66b5250 2006-06-25 devnull return 0;
766 c66b5250 2006-06-25 devnull if(c != ' ' && c != ',')
767 c66b5250 2006-06-25 devnull goto oops;
769 c66b5250 2006-06-25 devnull if(!isdigit((uchar)*s))
770 c66b5250 2006-06-25 devnull goto oops;
771 c66b5250 2006-06-25 devnull j = strtol(s, &s, 0);
772 c66b5250 2006-06-25 devnull if(*s != c)
773 c66b5250 2006-06-25 devnull goto oops;
775 c66b5250 2006-06-25 devnull if(!isdigit((uchar)*s))
776 c66b5250 2006-06-25 devnull goto oops;
777 c66b5250 2006-06-25 devnull k = strtol(s, &s, 0);
778 c66b5250 2006-06-25 devnull if(*s != c)
779 c66b5250 2006-06-25 devnull goto oops;
781 c66b5250 2006-06-25 devnull if(!isdigit((uchar)*s))
782 c66b5250 2006-06-25 devnull goto oops;
783 c66b5250 2006-06-25 devnull l = strtol(s, &s, 0);
784 c66b5250 2006-06-25 devnull if(*s != 0)
785 c66b5250 2006-06-25 devnull goto oops;
786 c66b5250 2006-06-25 devnull *r = Rect(i,j,k,l);
787 c66b5250 2006-06-25 devnull *havemin = 1;
788 c66b5250 2006-06-25 devnull return 0;
791 c66b5250 2006-06-25 devnull werrstr("bad syntax in window size '%s'", os);
792 c66b5250 2006-06-25 devnull return -1;
