Mercurial > dwm-meillo
annotate main.c @ 144:e61447a7f249
applied Jukkas prev/next patch with XK_{h,l}
| author | arg@10ksloc.org |
|---|---|
| date | Tue, 01 Aug 2006 12:39:14 +0200 |
| parents | c1185dc7a36e |
| children | f328ce9c558c |
| 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> |
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13 #include <sys/select.h> |
| 0 | 14 #include <X11/cursorfont.h> |
| 15 #include <X11/Xatom.h> | |
| 16 #include <X11/Xproto.h> | |
| 17 | |
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18 |
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19 /* static */ |
| 0 | 20 |
| 123 | 21 static int (*xerrorxlib)(Display *, XErrorEvent *); |
| 75 | 22 static Bool otherwm; |
| 0 | 23 |
| 24 static void | |
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25 cleanup() |
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26 { |
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27 while(sel) { |
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28 resize(sel, True, TopLeft); |
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29 unmanage(sel); |
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30 } |
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31 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); |
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32 } |
| 0 | 33 |
| 34 static void | |
| 75 | 35 scan() |
| 0 | 36 { |
| 37 unsigned int i, num; | |
| 123 | 38 Window *wins, d1, d2; |
| 0 | 39 XWindowAttributes wa; |
| 40 | |
| 41 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { | |
| 42 for(i = 0; i < num; i++) { | |
| 43 if(!XGetWindowAttributes(dpy, wins[i], &wa)) | |
| 44 continue; | |
| 45 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) | |
| 46 continue; | |
| 47 if(wa.map_state == IsViewable) | |
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48 manage(wins[i], &wa); |
| 0 | 49 } |
| 50 } | |
| 51 if(wins) | |
| 52 XFree(wins); | |
| 53 } | |
| 54 | |
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55 static int |
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56 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) |
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57 { |
| 123 | 58 int status, format; |
| 59 unsigned long res, extra; | |
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60 Atom real; |
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61 |
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62 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format, |
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63 &res, &extra, prop); |
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64 |
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65 if(status != Success || *prop == 0) { |
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66 return 0; |
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67 } |
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68 if(res == 0) { |
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69 free((void *) *prop); |
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70 } |
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71 return res; |
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72 } |
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73 |
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74 /* |
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75 * Startup Error handler to check if another window manager |
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76 * is already running. |
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77 */ |
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78 static int |
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79 xerrorstart(Display *dsply, XErrorEvent *ee) |
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80 { |
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81 otherwm = True; |
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82 return -1; |
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83 } |
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84 |
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85 /* extern */ |
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86 |
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87 char stext[1024]; |
| 126 | 88 /* CUSTOMIZE */ |
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89 int tsel = Tdev; /* default tag */ |
| 126 | 90 /* END CUSTOMIZE */ |
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91 int screen, sx, sy, sw, sh, bx, by, bw, bh, mw; |
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92 Atom wmatom[WMLast], netatom[NetLast]; |
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93 Bool running = True; |
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94 Bool issel = True; |
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95 Client *clients = NULL; |
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96 Client *sel = NULL; |
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97 Cursor cursor[CurLast]; |
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98 Display *dpy; |
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99 DC dc = {0}; |
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100 Window root, barwin; |
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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 int protos = 0; |
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106 int i; |
| 123 | 107 long res; |
| 108 unsigned char *protocols; | |
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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 XSync(dpy, False); |
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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 /* | |
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144 * There's no way to check accesses to destroyed windows, thus those cases are |
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145 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs |
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146 * default error handler, which calls exit(). |
| 0 | 147 */ |
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148 int |
| 75 | 149 xerror(Display *dpy, XErrorEvent *ee) |
| 0 | 150 { |
| 75 | 151 if(ee->error_code == BadWindow |
| 123 | 152 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch) |
| 153 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable) | |
| 154 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable) | |
| 155 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable) | |
| 156 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch) | |
| 157 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)) | |
| 0 | 158 return 0; |
| 34 | 159 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", |
| 123 | 160 ee->request_code, ee->error_code); |
| 75 | 161 return xerrorxlib(dpy, ee); /* may call exit() */ |
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162 } |
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163 |
| 0 | 164 int |
| 165 main(int argc, char *argv[]) | |
| 166 { | |
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167 int i; |
| 123 | 168 unsigned int mask; |
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169 fd_set rd; |
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170 Bool readin = True; |
| 0 | 171 Window w; |
| 5 | 172 XEvent ev; |
| 123 | 173 XSetWindowAttributes wa; |
| 0 | 174 |
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175 if(argc == 2 && !strncmp("-v", argv[1], 3)) { |
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176 fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout); |
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177 exit(EXIT_SUCCESS); |
| 0 | 178 } |
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179 else if(argc != 1) |
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180 eprint("usage: dwm [-v]\n"); |
| 0 | 181 |
| 182 dpy = XOpenDisplay(0); | |
| 183 if(!dpy) | |
| 75 | 184 eprint("dwm: cannot connect X server\n"); |
| 0 | 185 |
| 186 screen = DefaultScreen(dpy); | |
| 187 root = RootWindow(dpy, screen); | |
| 188 | |
| 189 /* check if another WM is already running */ | |
| 75 | 190 otherwm = False; |
| 191 XSetErrorHandler(xerrorstart); | |
| 0 | 192 /* this causes an error if some other WM is running */ |
| 193 XSelectInput(dpy, root, SubstructureRedirectMask); | |
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194 XSync(dpy, False); |
| 0 | 195 |
| 75 | 196 if(otherwm) |
| 197 eprint("dwm: another window manager is already running\n"); | |
| 0 | 198 |
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199 XSetErrorHandler(NULL); |
| 75 | 200 xerrorxlib = XSetErrorHandler(xerror); |
| 0 | 201 |
| 202 /* init atoms */ | |
| 77 | 203 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); |
| 204 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); | |
| 205 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); | |
| 206 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); | |
| 207 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32, | |
| 208 PropModeReplace, (unsigned char *) netatom, NetLast); | |
| 0 | 209 |
| 210 /* init cursors */ | |
| 211 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); | |
| 212 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); | |
| 213 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); | |
| 214 | |
| 73 | 215 grabkeys(); |
| 0 | 216 |
| 5 | 217 /* style */ |
| 74 | 218 dc.bg = getcolor(BGCOLOR); |
| 219 dc.fg = getcolor(FGCOLOR); | |
| 220 dc.border = getcolor(BORDERCOLOR); | |
| 221 setfont(FONT); | |
| 5 | 222 |
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223 sx = sy = 0; |
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224 sw = DisplayWidth(dpy, screen); |
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225 sh = DisplayHeight(dpy, screen); |
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226 mw = (sw * MASTERW) / 100; |
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227 |
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228 wa.override_redirect = 1; |
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229 wa.background_pixmap = ParentRelative; |
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230 wa.event_mask = ButtonPressMask | ExposureMask; |
| 5 | 231 |
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232 bx = by = 0; |
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233 bw = sw; |
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234 dc.h = bh = dc.font.height + 4; |
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235 barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen), |
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236 CopyFromParent, DefaultVisual(dpy, screen), |
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237 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); |
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238 XDefineCursor(dpy, barwin, cursor[CurNormal]); |
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239 XMapRaised(dpy, barwin); |
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240 |
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241 dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); |
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242 dc.gc = XCreateGC(dpy, root, 0, 0); |
| 74 | 243 drawstatus(); |
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244 |
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245 issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); |
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246 |
| 123 | 247 wa.event_mask = SubstructureRedirectMask | EnterWindowMask | LeaveWindowMask; |
| 0 | 248 wa.cursor = cursor[CurNormal]; |
| 249 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); | |
| 250 | |
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251 strcpy(stext, "dwm-"VERSION); |
| 75 | 252 scan(); |
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253 |
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254 /* main event loop, reads status text from stdin as well */ |
| 5 | 255 while(running) { |
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256 FD_ZERO(&rd); |
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257 if(readin) |
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258 FD_SET(STDIN_FILENO, &rd); |
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259 FD_SET(ConnectionNumber(dpy), &rd); |
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260 |
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261 i = select(ConnectionNumber(dpy) + 1, &rd, 0, 0, 0); |
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262 if(i == -1 && errno == EINTR) |
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263 continue; |
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264 if(i < 0) |
| 75 | 265 eprint("select failed\n"); |
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266 else if(i > 0) { |
| 64 | 267 if(FD_ISSET(ConnectionNumber(dpy), &rd)) { |
| 268 while(XPending(dpy)) { | |
| 269 XNextEvent(dpy, &ev); | |
| 270 if(handler[ev.type]) | |
| 271 (handler[ev.type])(&ev); /* call handler */ | |
| 272 } | |
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273 } |
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274 if(readin && FD_ISSET(STDIN_FILENO, &rd)) { |
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275 readin = NULL != fgets(stext, sizeof(stext), stdin); |
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276 if(readin) |
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277 stext[strlen(stext) - 1] = 0; |
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278 else |
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279 strcpy(stext, "broken pipe"); |
| 74 | 280 drawstatus(); |
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281 } |
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282 } |
| 5 | 283 } |
| 0 | 284 |
| 285 cleanup(); | |
| 286 XCloseDisplay(dpy); | |
| 287 | |
| 288 return 0; | |
| 289 } |