Mercurial > dwm-meillo
annotate wm.c @ 31:386649deb651
before leaning things up
| author | Anselm R. Garbe <garbeam@wmii.de> |
|---|---|
| date | Thu, 13 Jul 2006 01:04:38 +0200 |
| parents | 2e0fb4130bfb |
| children | 082c75b937b5 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> | |
| 3 * See LICENSE file for license details. | |
| 4 */ | |
| 5 | |
| 14 | 6 #include <errno.h> |
| 7 | |
| 0 | 8 #include <stdarg.h> |
| 9 #include <stdio.h> | |
| 10 #include <stdlib.h> | |
| 11 | |
| 14 | 12 #include <sys/types.h> |
| 13 #include <sys/time.h> | |
| 14 | |
| 0 | 15 #include <X11/cursorfont.h> |
| 16 #include <X11/Xatom.h> | |
| 17 #include <X11/Xproto.h> | |
| 18 | |
| 19 #include "wm.h" | |
| 20 | |
| 31 | 21 /********** CUSTOMIZE **********/ |
| 22 | |
| 23 char *tags[TLast] = { | |
| 24 [Tscratch] = "scratch", | |
| 25 [Tdev] = "dev", | |
| 26 [Tirc] = "irc", | |
| 27 [Twww] = "www", | |
| 28 [Twork] = "work", | |
| 29 }; | |
| 30 | |
| 31 /* commands */ | |
| 32 static char *cmdwallpaper[] = { | |
| 33 "feh", "--bg-scale", "/home/garbeam/wallpaper/bg.jpg", NULL | |
| 34 }; | |
| 35 | |
| 36 static char *cmdstatus[] = { | |
| 37 "sh", "-c", "echo -n `date '+%Y-%m-%d %H:%M'`" | |
| 38 " `uptime | sed 's/.*://; s/,//g'`" | |
| 39 " `acpi | awk '{print $4}' | sed 's/,//'`", NULL | |
| 40 }; | |
| 41 | |
| 42 /********** CUSTOMIZE **********/ | |
| 43 | |
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44 /* X structs */ |
| 0 | 45 Display *dpy; |
| 5 | 46 Window root, barwin; |
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47 Atom wm_atom[WMLast], net_atom[NetLast]; |
| 0 | 48 Cursor cursor[CurLast]; |
| 5 | 49 Bool running = True; |
| 31 | 50 Bool issel; |
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51 |
| 31 | 52 char stext[1024]; |
| 53 int tsel = Tdev; /* default tag */ | |
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54 int screen, sx, sy, sw, sh, bx, by, bw, bh; |
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55 |
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56 Brush brush = {0}; |
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57 Client *clients = NULL; |
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58 Client *stack = NULL; |
| 0 | 59 |
| 60 static Bool other_wm_running; | |
| 31 | 61 static const char version[] = |
| 62 "gridwm - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n"; | |
| 0 | 63 static int (*x_error_handler) (Display *, XErrorEvent *); |
| 64 | |
| 65 static void | |
| 31 | 66 usage() { error("usage: gridwm [-v]\n"); } |
| 0 | 67 |
| 68 static void | |
| 69 scan_wins() | |
| 70 { | |
| 71 unsigned int i, num; | |
| 72 Window *wins; | |
| 73 XWindowAttributes wa; | |
| 74 Window d1, d2; | |
| 75 | |
| 76 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { | |
| 77 for(i = 0; i < num; i++) { | |
| 78 if(!XGetWindowAttributes(dpy, wins[i], &wa)) | |
| 79 continue; | |
| 80 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) | |
| 81 continue; | |
| 82 if(wa.map_state == IsViewable) | |
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83 manage(wins[i], &wa); |
| 0 | 84 } |
| 85 } | |
| 86 if(wins) | |
| 87 XFree(wins); | |
| 88 } | |
| 89 | |
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90 static int |
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91 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) |
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92 { |
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93 Atom real; |
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94 int format; |
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95 unsigned long res, extra; |
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96 int status; |
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97 |
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98 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format, |
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99 &res, &extra, prop); |
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100 |
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101 if(status != Success || *prop == 0) { |
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102 return 0; |
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103 } |
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104 if(res == 0) { |
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105 free((void *) *prop); |
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106 } |
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107 return res; |
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108 } |
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109 |
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110 int |
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111 win_proto(Window w) |
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112 { |
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113 unsigned char *protocols; |
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114 long res; |
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115 int protos = 0; |
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116 int i; |
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117 |
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118 res = win_property(w, wm_atom[WMProtocols], XA_ATOM, 20L, &protocols); |
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119 if(res <= 0) { |
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120 return protos; |
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121 } |
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122 for(i = 0; i < res; i++) { |
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123 if(protocols[i] == wm_atom[WMDelete]) |
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124 protos |= WM_PROTOCOL_DELWIN; |
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125 } |
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126 free((char *) protocols); |
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127 return protos; |
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128 } |
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129 |
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130 void |
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131 send_message(Window w, Atom a, long value) |
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132 { |
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133 XEvent e; |
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134 |
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135 e.type = ClientMessage; |
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136 e.xclient.window = w; |
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137 e.xclient.message_type = a; |
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138 e.xclient.format = 32; |
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139 e.xclient.data.l[0] = value; |
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140 e.xclient.data.l[1] = CurrentTime; |
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141 XSendEvent(dpy, w, False, NoEventMask, &e); |
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142 XFlush(dpy); |
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143 } |
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144 |
| 0 | 145 /* |
| 146 * There's no way to check accesses to destroyed windows, thus | |
| 147 * those cases are ignored (especially on UnmapNotify's). | |
| 148 * Other types of errors call Xlib's default error handler, which | |
| 149 * calls exit(). | |
| 150 */ | |
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151 int |
| 0 | 152 error_handler(Display *dpy, XErrorEvent *error) |
| 153 { | |
| 154 if(error->error_code == BadWindow | |
| 155 || (error->request_code == X_SetInputFocus | |
| 156 && error->error_code == BadMatch) | |
| 157 || (error->request_code == X_PolyText8 | |
| 158 && error->error_code == BadDrawable) | |
| 159 || (error->request_code == X_PolyFillRectangle | |
| 160 && error->error_code == BadDrawable) | |
| 161 || (error->request_code == X_PolySegment | |
| 162 && error->error_code == BadDrawable) | |
| 163 || (error->request_code == X_ConfigureWindow | |
| 164 && error->error_code == BadMatch) | |
| 165 || (error->request_code == X_GrabKey | |
| 166 && error->error_code == BadAccess)) | |
| 167 return 0; | |
| 168 fprintf(stderr, "gridwm: fatal error: request code=%d, error code=%d\n", | |
| 169 error->request_code, error->error_code); | |
| 170 return x_error_handler(dpy, error); /* may call exit() */ | |
| 171 } | |
| 172 | |
| 173 /* | |
| 174 * Startup Error handler to check if another window manager | |
| 175 * is already running. | |
| 176 */ | |
| 177 static int | |
| 178 startup_error_handler(Display *dpy, XErrorEvent *error) | |
| 179 { | |
| 180 other_wm_running = True; | |
| 181 return -1; | |
| 182 } | |
| 183 | |
| 184 static void | |
| 185 cleanup() | |
| 186 { | |
| 14 | 187 while(clients) |
| 188 unmanage(clients); | |
| 0 | 189 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); |
| 190 } | |
| 191 | |
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192 void |
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193 run(void *aux) |
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194 { |
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195 spawn(dpy, aux); |
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196 } |
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197 |
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198 void |
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199 quit(void *aux) |
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200 { |
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201 running = False; |
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202 } |
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203 |
| 0 | 204 int |
| 205 main(int argc, char *argv[]) | |
| 206 { | |
| 207 int i; | |
| 208 XSetWindowAttributes wa; | |
| 209 unsigned int mask; | |
| 210 Window w; | |
| 5 | 211 XEvent ev; |
| 14 | 212 fd_set fds; |
| 213 struct timeval t, timeout = { | |
| 214 .tv_usec = 0, | |
| 215 .tv_sec = STATUSDELAY, | |
| 216 }; | |
| 0 | 217 |
| 218 /* command line args */ | |
| 219 for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) { | |
| 220 switch (argv[i][1]) { | |
| 221 case 'v': | |
| 222 fprintf(stdout, "%s", version); | |
| 223 exit(0); | |
| 224 break; | |
| 225 default: | |
| 226 usage(); | |
| 227 break; | |
| 228 } | |
| 229 } | |
| 230 | |
| 231 dpy = XOpenDisplay(0); | |
| 232 if(!dpy) | |
| 233 error("gridwm: cannot connect X server\n"); | |
| 234 | |
| 235 screen = DefaultScreen(dpy); | |
| 236 root = RootWindow(dpy, screen); | |
| 237 | |
| 238 /* check if another WM is already running */ | |
| 239 other_wm_running = False; | |
| 240 XSetErrorHandler(startup_error_handler); | |
| 241 /* this causes an error if some other WM is running */ | |
| 242 XSelectInput(dpy, root, SubstructureRedirectMask); | |
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243 XFlush(dpy); |
| 0 | 244 |
| 245 if(other_wm_running) | |
| 246 error("gridwm: another window manager is already running\n"); | |
| 247 | |
| 31 | 248 spawn(dpy, cmdwallpaper); |
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249 sx = sy = 0; |
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250 sw = DisplayWidth(dpy, screen); |
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251 sh = DisplayHeight(dpy, screen); |
| 31 | 252 issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); |
| 0 | 253 |
| 254 XSetErrorHandler(0); | |
| 255 x_error_handler = XSetErrorHandler(error_handler); | |
| 256 | |
| 257 /* init atoms */ | |
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258 wm_atom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); |
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259 wm_atom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); |
| 0 | 260 net_atom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); |
| 261 net_atom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); | |
| 262 | |
| 263 XChangeProperty(dpy, root, net_atom[NetSupported], XA_ATOM, 32, | |
| 264 PropModeReplace, (unsigned char *) net_atom, NetLast); | |
| 265 | |
| 266 | |
| 267 /* init cursors */ | |
| 268 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); | |
| 269 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); | |
| 270 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); | |
| 271 | |
| 8 | 272 update_keys(); |
| 0 | 273 |
| 5 | 274 /* style */ |
| 275 loadcolors(dpy, screen, &brush, BGCOLOR, FGCOLOR, BORDERCOLOR); | |
| 276 loadfont(dpy, &brush.font, FONT); | |
| 277 | |
| 278 wa.override_redirect = 1; | |
| 279 wa.background_pixmap = ParentRelative; | |
| 280 wa.event_mask = ExposureMask; | |
| 281 | |
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282 bx = by = 0; |
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283 bw = sw; |
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284 bh = texth(&brush.font); |
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285 barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen), |
| 5 | 286 CopyFromParent, DefaultVisual(dpy, screen), |
| 287 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); | |
| 288 XDefineCursor(dpy, barwin, cursor[CurNormal]); | |
| 289 XMapRaised(dpy, barwin); | |
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290 |
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291 brush.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); |
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292 brush.gc = XCreateGC(dpy, root, 0, 0); |
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293 |
| 31 | 294 pipe_spawn(stext, sizeof(stext), dpy, cmdstatus); |
| 5 | 295 draw_bar(); |
| 0 | 296 |
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297 wa.event_mask = SubstructureRedirectMask | EnterWindowMask \ |
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298 | LeaveWindowMask; |
| 0 | 299 wa.cursor = cursor[CurNormal]; |
| 300 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); | |
| 301 | |
| 31 | 302 arrange = grid; |
| 5 | 303 scan_wins(); |
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304 |
| 5 | 305 while(running) { |
| 14 | 306 if(XPending(dpy) > 0) { |
| 307 XNextEvent(dpy, &ev); | |
| 308 if(handler[ev.type]) | |
| 309 (handler[ev.type]) (&ev); /* call handler */ | |
| 310 continue; | |
| 311 } | |
| 312 FD_ZERO(&fds); | |
| 313 FD_SET(ConnectionNumber(dpy), &fds); | |
| 314 t = timeout; | |
| 315 if(select(ConnectionNumber(dpy) + 1, &fds, NULL, NULL, &t) > 0) | |
| 316 continue; | |
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317 else if(errno != EINTR) { |
| 31 | 318 pipe_spawn(stext, sizeof(stext), dpy, cmdstatus); |
| 14 | 319 draw_bar(); |
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320 } |
| 5 | 321 } |
| 0 | 322 |
| 323 cleanup(); | |
| 324 XCloseDisplay(dpy); | |
| 325 | |
| 326 return 0; | |
| 327 } |