dwm-meillo

annotate main.c @ 164:21071ae1fe68

find changesets by author, revision, files, or words in the commit message
made fullscreen apps working fine in floating mode (there is no sane way to make them work in tiled mode, thus I switch to floating mode if I run such kind of app), also fixed the xterm issue reported by Sander
author arg@10ksloc.org
date Wed, 02 Aug 2006 16:32:05 +0200
parents a6a31e485fbd
children e848966a1ac6
rev   line source
garbeam@0 1 /*
garbeam@0 2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
garbeam@0 3 * See LICENSE file for license details.
garbeam@0 4 */
garbeam@0 5
garbeam@76 6 #include "dwm.h"
garbeam@59 7 #include <errno.h>
garbeam@0 8 #include <stdio.h>
garbeam@0 9 #include <stdlib.h>
garbeam@57 10 #include <string.h>
garbeam@59 11 #include <unistd.h>
arg@138 12 #include <sys/select.h>
garbeam@0 13 #include <X11/cursorfont.h>
garbeam@0 14 #include <X11/Xatom.h>
garbeam@0 15 #include <X11/Xproto.h>
garbeam@0 16
garbeam@84 17 /* static */
garbeam@0 18
arg@123 19 static int (*xerrorxlib)(Display *, XErrorEvent *);
garbeam@75 20 static Bool otherwm;
garbeam@0 21
garbeam@0 22 static void
garbeam@76 23 cleanup()
garbeam@76 24 {
garbeam@76 25 while(sel) {
arg@99 26 resize(sel, True, TopLeft);
garbeam@76 27 unmanage(sel);
garbeam@76 28 }
garbeam@76 29 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
garbeam@76 30 }
garbeam@0 31
garbeam@0 32 static void
garbeam@75 33 scan()
garbeam@0 34 {
garbeam@0 35 unsigned int i, num;
arg@123 36 Window *wins, d1, d2;
garbeam@0 37 XWindowAttributes wa;
garbeam@0 38
garbeam@0 39 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
garbeam@0 40 for(i = 0; i < num; i++) {
garbeam@0 41 if(!XGetWindowAttributes(dpy, wins[i], &wa))
garbeam@0 42 continue;
garbeam@0 43 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
garbeam@0 44 continue;
garbeam@0 45 if(wa.map_state == IsViewable)
garbeam@10 46 manage(wins[i], &wa);
garbeam@0 47 }
garbeam@0 48 }
garbeam@0 49 if(wins)
garbeam@0 50 XFree(wins);
garbeam@0 51 }
garbeam@0 52
garbeam@13 53 static int
garbeam@13 54 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop)
garbeam@13 55 {
arg@123 56 int status, format;
arg@123 57 unsigned long res, extra;
garbeam@13 58 Atom real;
garbeam@13 59
garbeam@13 60 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format,
garbeam@13 61 &res, &extra, prop);
garbeam@13 62
garbeam@13 63 if(status != Success || *prop == 0) {
garbeam@13 64 return 0;
garbeam@13 65 }
garbeam@13 66 if(res == 0) {
garbeam@13 67 free((void *) *prop);
garbeam@13 68 }
garbeam@13 69 return res;
garbeam@13 70 }
garbeam@13 71
garbeam@76 72 /*
garbeam@76 73 * Startup Error handler to check if another window manager
garbeam@76 74 * is already running.
garbeam@76 75 */
garbeam@76 76 static int
garbeam@76 77 xerrorstart(Display *dsply, XErrorEvent *ee)
garbeam@76 78 {
garbeam@76 79 otherwm = True;
garbeam@76 80 return -1;
garbeam@76 81 }
garbeam@76 82
garbeam@84 83 /* extern */
garbeam@84 84
garbeam@84 85 char stext[1024];
arg@146 86 int tsel = DEFTAG;
garbeam@84 87 int screen, sx, sy, sw, sh, bx, by, bw, bh, mw;
garbeam@84 88 Atom wmatom[WMLast], netatom[NetLast];
garbeam@84 89 Bool running = True;
garbeam@84 90 Bool issel = True;
garbeam@84 91 Client *clients = NULL;
garbeam@84 92 Client *sel = NULL;
garbeam@84 93 Cursor cursor[CurLast];
garbeam@84 94 Display *dpy;
garbeam@84 95 DC dc = {0};
garbeam@84 96 Window root, barwin;
garbeam@76 97
garbeam@13 98 int
garbeam@75 99 getproto(Window w)
garbeam@13 100 {
garbeam@13 101 int protos = 0;
garbeam@13 102 int i;
arg@123 103 long res;
arg@123 104 unsigned char *protocols;
garbeam@13 105
garbeam@77 106 res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, &protocols);
garbeam@13 107 if(res <= 0) {
garbeam@13 108 return protos;
garbeam@13 109 }
garbeam@13 110 for(i = 0; i < res; i++) {
garbeam@77 111 if(protocols[i] == wmatom[WMDelete])
arg@157 112 protos |= PROTODELWIN;
garbeam@13 113 }
garbeam@13 114 free((char *) protocols);
garbeam@13 115 return protos;
garbeam@13 116 }
garbeam@13 117
garbeam@13 118 void
garbeam@74 119 sendevent(Window w, Atom a, long value)
garbeam@13 120 {
garbeam@13 121 XEvent e;
garbeam@13 122
garbeam@13 123 e.type = ClientMessage;
garbeam@13 124 e.xclient.window = w;
garbeam@13 125 e.xclient.message_type = a;
garbeam@13 126 e.xclient.format = 32;
garbeam@13 127 e.xclient.data.l[0] = value;
garbeam@13 128 e.xclient.data.l[1] = CurrentTime;
garbeam@13 129 XSendEvent(dpy, w, False, NoEventMask, &e);
garbeam@79 130 XSync(dpy, False);
garbeam@13 131 }
garbeam@13 132
garbeam@76 133 void
garbeam@76 134 quit(Arg *arg)
garbeam@75 135 {
garbeam@76 136 running = False;
garbeam@75 137 }
garbeam@75 138
garbeam@75 139 /*
garbeam@84 140 * There's no way to check accesses to destroyed windows, thus those cases are
garbeam@84 141 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
garbeam@84 142 * default error handler, which calls exit().
garbeam@0 143 */
garbeam@10 144 int
garbeam@75 145 xerror(Display *dpy, XErrorEvent *ee)
garbeam@0 146 {
garbeam@75 147 if(ee->error_code == BadWindow
arg@123 148 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
arg@123 149 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
arg@123 150 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
arg@123 151 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
arg@123 152 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
arg@123 153 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess))
garbeam@0 154 return 0;
garbeam@34 155 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
arg@123 156 ee->request_code, ee->error_code);
garbeam@75 157 return xerrorxlib(dpy, ee); /* may call exit() */
garbeam@27 158 }
garbeam@27 159
garbeam@0 160 int
garbeam@0 161 main(int argc, char *argv[])
garbeam@0 162 {
arg@138 163 int i;
arg@123 164 unsigned int mask;
garbeam@59 165 fd_set rd;
arg@164 166 Bool readin = True;
garbeam@0 167 Window w;
garbeam@5 168 XEvent ev;
arg@123 169 XSetWindowAttributes wa;
garbeam@0 170
arg@137 171 if(argc == 2 && !strncmp("-v", argv[1], 3)) {
arg@137 172 fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
arg@137 173 exit(EXIT_SUCCESS);
garbeam@0 174 }
arg@137 175 else if(argc != 1)
arg@137 176 eprint("usage: dwm [-v]\n");
garbeam@0 177
garbeam@0 178 dpy = XOpenDisplay(0);
garbeam@0 179 if(!dpy)
garbeam@75 180 eprint("dwm: cannot connect X server\n");
garbeam@0 181
garbeam@0 182 screen = DefaultScreen(dpy);
garbeam@0 183 root = RootWindow(dpy, screen);
garbeam@0 184
garbeam@0 185 /* check if another WM is already running */
garbeam@75 186 otherwm = False;
garbeam@75 187 XSetErrorHandler(xerrorstart);
garbeam@0 188 /* this causes an error if some other WM is running */
garbeam@0 189 XSelectInput(dpy, root, SubstructureRedirectMask);
garbeam@78 190 XSync(dpy, False);
garbeam@0 191
garbeam@75 192 if(otherwm)
garbeam@75 193 eprint("dwm: another window manager is already running\n");
garbeam@0 194
garbeam@78 195 XSetErrorHandler(NULL);
garbeam@75 196 xerrorxlib = XSetErrorHandler(xerror);
garbeam@0 197
garbeam@0 198 /* init atoms */
garbeam@77 199 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
garbeam@77 200 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
garbeam@77 201 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
garbeam@77 202 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
garbeam@77 203 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
garbeam@77 204 PropModeReplace, (unsigned char *) netatom, NetLast);
garbeam@0 205
garbeam@0 206 /* init cursors */
garbeam@0 207 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
garbeam@0 208 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
garbeam@0 209 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
garbeam@0 210
garbeam@73 211 grabkeys();
garbeam@0 212
garbeam@5 213 /* style */
garbeam@74 214 dc.bg = getcolor(BGCOLOR);
garbeam@74 215 dc.fg = getcolor(FGCOLOR);
garbeam@74 216 dc.border = getcolor(BORDERCOLOR);
garbeam@74 217 setfont(FONT);
garbeam@5 218
garbeam@57 219 sx = sy = 0;
garbeam@57 220 sw = DisplayWidth(dpy, screen);
garbeam@57 221 sh = DisplayHeight(dpy, screen);
garbeam@57 222 mw = (sw * MASTERW) / 100;
garbeam@5 223
garbeam@57 224 wa.override_redirect = 1;
garbeam@57 225 wa.background_pixmap = ParentRelative;
garbeam@58 226 wa.event_mask = ButtonPressMask | ExposureMask;
garbeam@57 227
garbeam@57 228 bx = by = 0;
garbeam@57 229 bw = sw;
garbeam@57 230 dc.h = bh = dc.font.height + 4;
garbeam@57 231 barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen),
garbeam@57 232 CopyFromParent, DefaultVisual(dpy, screen),
garbeam@57 233 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
garbeam@57 234 XDefineCursor(dpy, barwin, cursor[CurNormal]);
garbeam@57 235 XMapRaised(dpy, barwin);
garbeam@57 236
garbeam@60 237 dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
garbeam@60 238 dc.gc = XCreateGC(dpy, root, 0, 0);
garbeam@74 239 drawstatus();
garbeam@60 240
garbeam@57 241 issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
garbeam@21 242
arg@123 243 wa.event_mask = SubstructureRedirectMask | EnterWindowMask | LeaveWindowMask;
garbeam@0 244 wa.cursor = cursor[CurNormal];
garbeam@0 245 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
garbeam@0 246
garbeam@57 247 strcpy(stext, "dwm-"VERSION);
garbeam@75 248 scan();
garbeam@3 249
garbeam@59 250 /* main event loop, reads status text from stdin as well */
garbeam@5 251 while(running) {
garbeam@59 252 FD_ZERO(&rd);
arg@164 253 if(readin)
arg@164 254 FD_SET(STDIN_FILENO, &rd);
garbeam@59 255 FD_SET(ConnectionNumber(dpy), &rd);
garbeam@59 256
garbeam@59 257 i = select(ConnectionNumber(dpy) + 1, &rd, 0, 0, 0);
garbeam@59 258 if(i == -1 && errno == EINTR)
garbeam@59 259 continue;
garbeam@59 260 if(i < 0)
garbeam@75 261 eprint("select failed\n");
garbeam@59 262 else if(i > 0) {
garbeam@64 263 if(FD_ISSET(ConnectionNumber(dpy), &rd)) {
garbeam@64 264 while(XPending(dpy)) {
garbeam@64 265 XNextEvent(dpy, &ev);
garbeam@64 266 if(handler[ev.type])
garbeam@64 267 (handler[ev.type])(&ev); /* call handler */
garbeam@64 268 }
garbeam@59 269 }
arg@164 270 if(readin && FD_ISSET(STDIN_FILENO, &rd)) {
arg@164 271 readin = NULL != fgets(stext, sizeof(stext), stdin);
arg@164 272 if(readin)
arg@164 273 stext[strlen(stext) - 1] = 0;
arg@162 274 else
arg@164 275 strcpy(stext, "broken pipe");
garbeam@74 276 drawstatus();
garbeam@59 277 }
garbeam@59 278 }
garbeam@5 279 }
garbeam@0 280
garbeam@0 281 cleanup();
garbeam@0 282 XCloseDisplay(dpy);
garbeam@0 283
garbeam@0 284 return 0;
garbeam@0 285 }