Mercurial > dwm-meillo
annotate main.c @ 77:38c8f7f7d401
sanitized other stuff
| author | Anselm R. Garbe <garbeam@wmii.de> |
|---|---|
| date | Sat, 15 Jul 2006 17:19:19 +0200 |
| parents | 4bd49f404f10 |
| children | 0d71fb80b592 |
| 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 | |
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6 #include "dwm.h" |
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7 |
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8 #include <errno.h> |
| 0 | 9 #include <stdio.h> |
| 10 #include <stdlib.h> | |
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11 #include <string.h> |
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12 #include <unistd.h> |
| 0 | 13 #include <X11/cursorfont.h> |
| 14 #include <X11/Xatom.h> | |
| 15 #include <X11/Xproto.h> | |
| 16 | |
| 17 Display *dpy; | |
| 5 | 18 Window root, barwin; |
| 77 | 19 Atom wmatom[WMLast], netatom[NetLast]; |
| 0 | 20 Cursor cursor[CurLast]; |
| 5 | 21 Bool running = True; |
| 77 | 22 Bool issel = True; |
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23 |
| 31 | 24 int tsel = Tdev; /* default tag */ |
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25 int screen, sx, sy, sw, sh, bx, by, bw, bh, mw; |
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26 char stext[1024]; |
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27 |
| 34 | 28 DC dc = {0}; |
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29 Client *clients = NULL; |
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30 Client *sel = NULL; |
| 0 | 31 |
| 75 | 32 static Bool otherwm; |
| 33 static int (*xerrorxlib)(Display *, XErrorEvent *); | |
| 0 | 34 |
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35 /* static functions */ |
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36 |
| 0 | 37 static void |
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38 cleanup() |
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39 { |
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40 while(sel) { |
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41 resize(sel, True); |
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42 unmanage(sel); |
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43 } |
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44 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); |
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45 } |
| 0 | 46 |
| 47 static void | |
| 75 | 48 scan() |
| 0 | 49 { |
| 50 unsigned int i, num; | |
| 51 Window *wins; | |
| 52 XWindowAttributes wa; | |
| 53 Window d1, d2; | |
| 54 | |
| 55 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { | |
| 56 for(i = 0; i < num; i++) { | |
| 57 if(!XGetWindowAttributes(dpy, wins[i], &wa)) | |
| 58 continue; | |
| 59 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) | |
| 60 continue; | |
| 61 if(wa.map_state == IsViewable) | |
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62 manage(wins[i], &wa); |
| 0 | 63 } |
| 64 } | |
| 65 if(wins) | |
| 66 XFree(wins); | |
| 67 } | |
| 68 | |
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69 static int |
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70 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) |
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71 { |
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72 Atom real; |
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73 int format; |
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74 unsigned long res, extra; |
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75 int status; |
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76 |
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77 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format, |
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78 &res, &extra, prop); |
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79 |
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80 if(status != Success || *prop == 0) { |
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81 return 0; |
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82 } |
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83 if(res == 0) { |
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84 free((void *) *prop); |
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85 } |
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86 return res; |
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87 } |
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88 |
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89 /* |
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90 * Startup Error handler to check if another window manager |
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91 * is already running. |
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92 */ |
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93 static int |
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94 xerrorstart(Display *dsply, XErrorEvent *ee) |
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95 { |
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96 otherwm = True; |
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97 return -1; |
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98 } |
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99 |
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100 /* extern functions */ |
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101 |
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102 int |
| 75 | 103 getproto(Window w) |
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104 { |
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105 unsigned char *protocols; |
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106 long res; |
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107 int protos = 0; |
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108 int i; |
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109 |
| 77 | 110 res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, &protocols); |
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111 if(res <= 0) { |
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112 return protos; |
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113 } |
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114 for(i = 0; i < res; i++) { |
| 77 | 115 if(protocols[i] == wmatom[WMDelete]) |
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116 protos |= WM_PROTOCOL_DELWIN; |
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117 } |
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118 free((char *) protocols); |
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119 return protos; |
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120 } |
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121 |
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122 void |
| 74 | 123 sendevent(Window w, Atom a, long value) |
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124 { |
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125 XEvent e; |
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126 |
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127 e.type = ClientMessage; |
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128 e.xclient.window = w; |
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129 e.xclient.message_type = a; |
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130 e.xclient.format = 32; |
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131 e.xclient.data.l[0] = value; |
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132 e.xclient.data.l[1] = CurrentTime; |
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133 XSendEvent(dpy, w, False, NoEventMask, &e); |
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134 XFlush(dpy); |
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135 } |
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136 |
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137 void |
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138 quit(Arg *arg) |
| 75 | 139 { |
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140 running = False; |
| 75 | 141 } |
| 142 | |
| 143 /* | |
| 0 | 144 * There's no way to check accesses to destroyed windows, thus |
| 145 * those cases are ignored (especially on UnmapNotify's). | |
| 146 * Other types of errors call Xlib's default error handler, which | |
| 147 * calls exit(). | |
| 148 */ | |
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149 int |
| 75 | 150 xerror(Display *dpy, XErrorEvent *ee) |
| 0 | 151 { |
| 75 | 152 if(ee->error_code == BadWindow |
| 153 || (ee->request_code == X_SetInputFocus | |
| 154 && ee->error_code == BadMatch) | |
| 155 || (ee->request_code == X_PolyText8 | |
| 156 && ee->error_code == BadDrawable) | |
| 157 || (ee->request_code == X_PolyFillRectangle | |
| 158 && ee->error_code == BadDrawable) | |
| 159 || (ee->request_code == X_PolySegment | |
| 160 && ee->error_code == BadDrawable) | |
| 161 || (ee->request_code == X_ConfigureWindow | |
| 162 && ee->error_code == BadMatch) | |
| 163 || (ee->request_code == X_GrabKey | |
| 164 && ee->error_code == BadAccess)) | |
| 0 | 165 return 0; |
| 34 | 166 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", |
| 75 | 167 ee->request_code, ee->error_code); |
| 168 return xerrorxlib(dpy, ee); /* may call exit() */ | |
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169 } |
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170 |
| 0 | 171 int |
| 172 main(int argc, char *argv[]) | |
| 173 { | |
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174 int i, n; |
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175 fd_set rd; |
| 0 | 176 XSetWindowAttributes wa; |
| 177 unsigned int mask; | |
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178 Bool readstdin = True; |
| 0 | 179 Window w; |
| 5 | 180 XEvent ev; |
| 0 | 181 |
| 182 for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) { | |
| 183 switch (argv[i][1]) { | |
| 184 case 'v': | |
| 77 | 185 fprintf(stdout, "%s", |
| 186 "dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n"); | |
| 0 | 187 exit(0); |
| 188 break; | |
| 189 default: | |
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190 eprint("usage: dwm [-v]\n"); |
| 0 | 191 break; |
| 192 } | |
| 193 } | |
| 194 | |
| 195 dpy = XOpenDisplay(0); | |
| 196 if(!dpy) | |
| 75 | 197 eprint("dwm: cannot connect X server\n"); |
| 0 | 198 |
| 199 screen = DefaultScreen(dpy); | |
| 200 root = RootWindow(dpy, screen); | |
| 201 | |
| 202 /* check if another WM is already running */ | |
| 75 | 203 otherwm = False; |
| 204 XSetErrorHandler(xerrorstart); | |
| 0 | 205 /* this causes an error if some other WM is running */ |
| 206 XSelectInput(dpy, root, SubstructureRedirectMask); | |
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207 XFlush(dpy); |
| 0 | 208 |
| 75 | 209 if(otherwm) |
| 210 eprint("dwm: another window manager is already running\n"); | |
| 0 | 211 |
| 212 XSetErrorHandler(0); | |
| 75 | 213 xerrorxlib = XSetErrorHandler(xerror); |
| 0 | 214 |
| 215 /* init atoms */ | |
| 77 | 216 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); |
| 217 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); | |
| 218 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); | |
| 219 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); | |
| 220 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32, | |
| 221 PropModeReplace, (unsigned char *) netatom, NetLast); | |
| 0 | 222 |
| 223 /* init cursors */ | |
| 224 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); | |
| 225 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); | |
| 226 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); | |
| 227 | |
| 73 | 228 grabkeys(); |
| 0 | 229 |
| 5 | 230 /* style */ |
| 74 | 231 dc.bg = getcolor(BGCOLOR); |
| 232 dc.fg = getcolor(FGCOLOR); | |
| 233 dc.border = getcolor(BORDERCOLOR); | |
| 234 setfont(FONT); | |
| 5 | 235 |
|
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236 sx = sy = 0; |
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237 sw = DisplayWidth(dpy, screen); |
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238 sh = DisplayHeight(dpy, screen); |
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239 mw = (sw * MASTERW) / 100; |
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240 |
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241 wa.override_redirect = 1; |
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242 wa.background_pixmap = ParentRelative; |
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243 wa.event_mask = ButtonPressMask | ExposureMask; |
| 5 | 244 |
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245 bx = by = 0; |
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246 bw = sw; |
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247 dc.h = bh = dc.font.height + 4; |
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248 barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen), |
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249 CopyFromParent, DefaultVisual(dpy, screen), |
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250 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); |
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251 XDefineCursor(dpy, barwin, cursor[CurNormal]); |
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252 XMapRaised(dpy, barwin); |
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253 |
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254 dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); |
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255 dc.gc = XCreateGC(dpy, root, 0, 0); |
| 74 | 256 drawstatus(); |
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257 |
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258 issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); |
|
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259 |
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260 wa.event_mask = SubstructureRedirectMask | EnterWindowMask \ |
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261 | LeaveWindowMask; |
| 0 | 262 wa.cursor = cursor[CurNormal]; |
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263 |
| 0 | 264 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); |
| 265 | |
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266 strcpy(stext, "dwm-"VERSION); |
| 75 | 267 scan(); |
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268 |
|
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269 /* main event loop, reads status text from stdin as well */ |
| 61 | 270 Mainloop: |
| 5 | 271 while(running) { |
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272 FD_ZERO(&rd); |
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273 if(readstdin) |
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274 FD_SET(STDIN_FILENO, &rd); |
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275 FD_SET(ConnectionNumber(dpy), &rd); |
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276 |
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277 i = select(ConnectionNumber(dpy) + 1, &rd, 0, 0, 0); |
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278 if(i == -1 && errno == EINTR) |
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279 continue; |
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280 if(i < 0) |
| 75 | 281 eprint("select failed\n"); |
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282 else if(i > 0) { |
| 64 | 283 if(FD_ISSET(ConnectionNumber(dpy), &rd)) { |
| 284 while(XPending(dpy)) { | |
| 285 XNextEvent(dpy, &ev); | |
| 286 if(handler[ev.type]) | |
| 287 (handler[ev.type])(&ev); /* call handler */ | |
| 288 } | |
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289 } |
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290 if(readstdin && FD_ISSET(STDIN_FILENO, &rd)) { |
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291 i = n = 0; |
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292 for(;;) { |
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293 if((i = getchar()) == EOF) { |
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294 /* broken pipe/end of producer */ |
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295 readstdin = False; |
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296 strcpy(stext, "broken pipe"); |
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297 goto Mainloop; |
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298 } |
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299 if(i == '\n' || n >= sizeof(stext) - 1) |
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300 break; |
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301 stext[n++] = i; |
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302 } |
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303 stext[n] = 0; |
| 74 | 304 drawstatus(); |
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305 } |
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306 } |
| 5 | 307 } |
| 0 | 308 |
| 309 cleanup(); | |
| 310 XCloseDisplay(dpy); | |
| 311 | |
| 312 return 0; | |
| 313 } |