Mercurial > dwm-meillo
annotate main.c @ 167:c11f86db4550 0.6
removed config.h (stupid hg)
author | arg@10ksloc.org |
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date | Wed, 02 Aug 2006 16:52:02 +0200 |
parents | 21071ae1fe68 |
children | e848966a1ac6 |
rev | line source |
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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 #include <errno.h> |
0 | 8 #include <stdio.h> |
9 #include <stdlib.h> | |
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10 #include <string.h> |
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11 #include <unistd.h> |
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12 #include <sys/select.h> |
0 | 13 #include <X11/cursorfont.h> |
14 #include <X11/Xatom.h> | |
15 #include <X11/Xproto.h> | |
16 | |
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17 /* static */ |
0 | 18 |
123 | 19 static int (*xerrorxlib)(Display *, XErrorEvent *); |
75 | 20 static Bool otherwm; |
0 | 21 |
22 static void | |
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23 cleanup() |
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24 { |
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25 while(sel) { |
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26 resize(sel, True, TopLeft); |
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27 unmanage(sel); |
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28 } |
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29 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); |
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30 } |
0 | 31 |
32 static void | |
75 | 33 scan() |
0 | 34 { |
35 unsigned int i, num; | |
123 | 36 Window *wins, d1, d2; |
0 | 37 XWindowAttributes wa; |
38 | |
39 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { | |
40 for(i = 0; i < num; i++) { | |
41 if(!XGetWindowAttributes(dpy, wins[i], &wa)) | |
42 continue; | |
43 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) | |
44 continue; | |
45 if(wa.map_state == IsViewable) | |
10
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46 manage(wins[i], &wa); |
0 | 47 } |
48 } | |
49 if(wins) | |
50 XFree(wins); | |
51 } | |
52 | |
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53 static int |
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54 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) |
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55 { |
123 | 56 int status, format; |
57 unsigned long res, extra; | |
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58 Atom real; |
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59 |
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60 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format, |
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61 &res, &extra, prop); |
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62 |
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63 if(status != Success || *prop == 0) { |
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64 return 0; |
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65 } |
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66 if(res == 0) { |
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67 free((void *) *prop); |
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68 } |
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69 return res; |
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70 } |
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71 |
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72 /* |
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73 * Startup Error handler to check if another window manager |
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74 * is already running. |
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75 */ |
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76 static int |
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77 xerrorstart(Display *dsply, XErrorEvent *ee) |
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78 { |
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79 otherwm = True; |
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80 return -1; |
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81 } |
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82 |
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83 /* extern */ |
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84 |
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85 char stext[1024]; |
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86 int tsel = DEFTAG; |
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87 int screen, sx, sy, sw, sh, bx, by, bw, bh, mw; |
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88 Atom wmatom[WMLast], netatom[NetLast]; |
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89 Bool running = True; |
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90 Bool issel = True; |
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91 Client *clients = NULL; |
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92 Client *sel = NULL; |
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93 Cursor cursor[CurLast]; |
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94 Display *dpy; |
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95 DC dc = {0}; |
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96 Window root, barwin; |
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97 |
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98 int |
75 | 99 getproto(Window w) |
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100 { |
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101 int protos = 0; |
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102 int i; |
123 | 103 long res; |
104 unsigned char *protocols; | |
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105 |
77 | 106 res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L, &protocols); |
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107 if(res <= 0) { |
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108 return protos; |
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109 } |
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110 for(i = 0; i < res; i++) { |
77 | 111 if(protocols[i] == wmatom[WMDelete]) |
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112 protos |= PROTODELWIN; |
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113 } |
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114 free((char *) protocols); |
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115 return protos; |
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116 } |
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117 |
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118 void |
74 | 119 sendevent(Window w, Atom a, long value) |
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120 { |
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121 XEvent e; |
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122 |
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123 e.type = ClientMessage; |
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124 e.xclient.window = w; |
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125 e.xclient.message_type = a; |
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126 e.xclient.format = 32; |
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127 e.xclient.data.l[0] = value; |
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128 e.xclient.data.l[1] = CurrentTime; |
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129 XSendEvent(dpy, w, False, NoEventMask, &e); |
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130 XSync(dpy, False); |
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131 } |
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132 |
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133 void |
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134 quit(Arg *arg) |
75 | 135 { |
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136 running = False; |
75 | 137 } |
138 | |
139 /* | |
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140 * There's no way to check accesses to destroyed windows, thus those cases are |
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141 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs |
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142 * default error handler, which calls exit(). |
0 | 143 */ |
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144 int |
75 | 145 xerror(Display *dpy, XErrorEvent *ee) |
0 | 146 { |
75 | 147 if(ee->error_code == BadWindow |
123 | 148 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch) |
149 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable) | |
150 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable) | |
151 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable) | |
152 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch) | |
153 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)) | |
0 | 154 return 0; |
34 | 155 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", |
123 | 156 ee->request_code, ee->error_code); |
75 | 157 return xerrorxlib(dpy, ee); /* may call exit() */ |
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158 } |
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159 |
0 | 160 int |
161 main(int argc, char *argv[]) | |
162 { | |
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163 int i; |
123 | 164 unsigned int mask; |
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165 fd_set rd; |
164
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166 Bool readin = True; |
0 | 167 Window w; |
5 | 168 XEvent ev; |
123 | 169 XSetWindowAttributes wa; |
0 | 170 |
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171 if(argc == 2 && !strncmp("-v", argv[1], 3)) { |
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172 fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout); |
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173 exit(EXIT_SUCCESS); |
0 | 174 } |
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175 else if(argc != 1) |
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176 eprint("usage: dwm [-v]\n"); |
0 | 177 |
178 dpy = XOpenDisplay(0); | |
179 if(!dpy) | |
75 | 180 eprint("dwm: cannot connect X server\n"); |
0 | 181 |
182 screen = DefaultScreen(dpy); | |
183 root = RootWindow(dpy, screen); | |
184 | |
185 /* check if another WM is already running */ | |
75 | 186 otherwm = False; |
187 XSetErrorHandler(xerrorstart); | |
0 | 188 /* this causes an error if some other WM is running */ |
189 XSelectInput(dpy, root, SubstructureRedirectMask); | |
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190 XSync(dpy, False); |
0 | 191 |
75 | 192 if(otherwm) |
193 eprint("dwm: another window manager is already running\n"); | |
0 | 194 |
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195 XSetErrorHandler(NULL); |
75 | 196 xerrorxlib = XSetErrorHandler(xerror); |
0 | 197 |
198 /* init atoms */ | |
77 | 199 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); |
200 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); | |
201 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); | |
202 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); | |
203 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32, | |
204 PropModeReplace, (unsigned char *) netatom, NetLast); | |
0 | 205 |
206 /* init cursors */ | |
207 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); | |
208 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); | |
209 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); | |
210 | |
73 | 211 grabkeys(); |
0 | 212 |
5 | 213 /* style */ |
74 | 214 dc.bg = getcolor(BGCOLOR); |
215 dc.fg = getcolor(FGCOLOR); | |
216 dc.border = getcolor(BORDERCOLOR); | |
217 setfont(FONT); | |
5 | 218 |
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219 sx = sy = 0; |
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220 sw = DisplayWidth(dpy, screen); |
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221 sh = DisplayHeight(dpy, screen); |
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222 mw = (sw * MASTERW) / 100; |
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223 |
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224 wa.override_redirect = 1; |
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225 wa.background_pixmap = ParentRelative; |
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226 wa.event_mask = ButtonPressMask | ExposureMask; |
5 | 227 |
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228 bx = by = 0; |
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229 bw = sw; |
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230 dc.h = bh = dc.font.height + 4; |
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231 barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen), |
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232 CopyFromParent, DefaultVisual(dpy, screen), |
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233 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); |
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234 XDefineCursor(dpy, barwin, cursor[CurNormal]); |
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235 XMapRaised(dpy, barwin); |
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236 |
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237 dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); |
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238 dc.gc = XCreateGC(dpy, root, 0, 0); |
74 | 239 drawstatus(); |
60
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240 |
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241 issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); |
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242 |
123 | 243 wa.event_mask = SubstructureRedirectMask | EnterWindowMask | LeaveWindowMask; |
0 | 244 wa.cursor = cursor[CurNormal]; |
245 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); | |
246 | |
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247 strcpy(stext, "dwm-"VERSION); |
75 | 248 scan(); |
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249 |
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250 /* main event loop, reads status text from stdin as well */ |
5 | 251 while(running) { |
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252 FD_ZERO(&rd); |
164
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253 if(readin) |
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254 FD_SET(STDIN_FILENO, &rd); |
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255 FD_SET(ConnectionNumber(dpy), &rd); |
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256 |
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257 i = select(ConnectionNumber(dpy) + 1, &rd, 0, 0, 0); |
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258 if(i == -1 && errno == EINTR) |
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259 continue; |
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260 if(i < 0) |
75 | 261 eprint("select failed\n"); |
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262 else if(i > 0) { |
64 | 263 if(FD_ISSET(ConnectionNumber(dpy), &rd)) { |
264 while(XPending(dpy)) { | |
265 XNextEvent(dpy, &ev); | |
266 if(handler[ev.type]) | |
267 (handler[ev.type])(&ev); /* call handler */ | |
268 } | |
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269 } |
164
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270 if(readin && FD_ISSET(STDIN_FILENO, &rd)) { |
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271 readin = NULL != fgets(stext, sizeof(stext), stdin); |
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272 if(readin) |
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273 stext[strlen(stext) - 1] = 0; |
162
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274 else |
164
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275 strcpy(stext, "broken pipe"); |
74 | 276 drawstatus(); |
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277 } |
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278 } |
5 | 279 } |
0 | 280 |
281 cleanup(); | |
282 XCloseDisplay(dpy); | |
283 | |
284 return 0; | |
285 } |