Mercurial > dwm-meillo
annotate wm.c @ 26:e8f627998d6f
simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
| author | Anselm R. Garbe <garbeam@wmii.de> |
|---|---|
| date | Wed, 12 Jul 2006 15:17:22 +0200 |
| parents | 3ef108a5ca0a |
| children | f96fb3fd8203 |
| 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 | |
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21 /* X structs */ |
| 0 | 22 Display *dpy; |
| 5 | 23 Window root, barwin; |
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24 Atom wm_atom[WMLast], net_atom[NetLast]; |
| 0 | 25 Cursor cursor[CurLast]; |
| 5 | 26 Bool running = True; |
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27 Bool sel_screen; |
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28 |
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29 char statustext[1024], tag[256]; |
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30 int screen, sx, sy, sw, sh, bx, by, bw, bh; |
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31 |
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32 Brush brush = {0}; |
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33 Client *clients = NULL; |
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34 Client *stack = NULL; |
| 0 | 35 |
| 36 static Bool other_wm_running; | |
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37 static const char version[] = "gridwm - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n"; |
| 0 | 38 static int (*x_error_handler) (Display *, XErrorEvent *); |
| 39 | |
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40 static const char *status[] = { |
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41 "sh", "-c", "echo -n `date '+%Y-%m-%d %H:%M'`" |
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42 " `uptime | sed 's/.*://; s/,//g'`" |
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43 " `acpi | awk '{print $4}' | sed 's/,//'`", 0 |
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44 }; |
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45 |
| 0 | 46 static void |
| 47 usage() | |
| 48 { | |
| 49 fputs("usage: gridwm [-v]\n", stderr); | |
| 50 exit(1); | |
| 51 } | |
| 52 | |
| 53 static void | |
| 54 scan_wins() | |
| 55 { | |
| 56 unsigned int i, num; | |
| 57 Window *wins; | |
| 58 XWindowAttributes wa; | |
| 59 Window d1, d2; | |
| 60 | |
| 61 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { | |
| 62 for(i = 0; i < num; i++) { | |
| 63 if(!XGetWindowAttributes(dpy, wins[i], &wa)) | |
| 64 continue; | |
| 65 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) | |
| 66 continue; | |
| 67 if(wa.map_state == IsViewable) | |
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68 manage(wins[i], &wa); |
| 0 | 69 } |
| 70 } | |
| 71 if(wins) | |
| 72 XFree(wins); | |
| 73 } | |
| 74 | |
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75 static int |
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76 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) |
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77 { |
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78 Atom real; |
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79 int format; |
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80 unsigned long res, extra; |
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81 int status; |
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82 |
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83 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format, |
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84 &res, &extra, prop); |
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85 |
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86 if(status != Success || *prop == 0) { |
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87 return 0; |
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88 } |
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89 if(res == 0) { |
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90 free((void *) *prop); |
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91 } |
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92 return res; |
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93 } |
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94 |
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95 int |
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96 win_proto(Window w) |
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97 { |
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98 Atom *protocols; |
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99 long res; |
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100 int protos = 0; |
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101 int i; |
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102 |
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103 res = win_property(w, wm_atom[WMProtocols], XA_ATOM, 20L, |
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104 ((unsigned char **) &protocols)); |
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105 if(res <= 0) { |
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106 return protos; |
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107 } |
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108 for(i = 0; i < res; i++) { |
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109 if(protocols[i] == wm_atom[WMDelete]) |
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110 protos |= WM_PROTOCOL_DELWIN; |
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111 } |
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112 free((char *) protocols); |
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113 return protos; |
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114 } |
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115 |
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116 void |
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117 send_message(Window w, Atom a, long value) |
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118 { |
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119 XEvent e; |
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120 |
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121 e.type = ClientMessage; |
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122 e.xclient.window = w; |
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123 e.xclient.message_type = a; |
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124 e.xclient.format = 32; |
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125 e.xclient.data.l[0] = value; |
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126 e.xclient.data.l[1] = CurrentTime; |
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127 XSendEvent(dpy, w, False, NoEventMask, &e); |
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128 XFlush(dpy); |
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129 } |
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130 |
| 0 | 131 /* |
| 132 * There's no way to check accesses to destroyed windows, thus | |
| 133 * those cases are ignored (especially on UnmapNotify's). | |
| 134 * Other types of errors call Xlib's default error handler, which | |
| 135 * calls exit(). | |
| 136 */ | |
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137 int |
| 0 | 138 error_handler(Display *dpy, XErrorEvent *error) |
| 139 { | |
| 140 if(error->error_code == BadWindow | |
| 141 || (error->request_code == X_SetInputFocus | |
| 142 && error->error_code == BadMatch) | |
| 143 || (error->request_code == X_PolyText8 | |
| 144 && error->error_code == BadDrawable) | |
| 145 || (error->request_code == X_PolyFillRectangle | |
| 146 && error->error_code == BadDrawable) | |
| 147 || (error->request_code == X_PolySegment | |
| 148 && error->error_code == BadDrawable) | |
| 149 || (error->request_code == X_ConfigureWindow | |
| 150 && error->error_code == BadMatch) | |
| 151 || (error->request_code == X_GrabKey | |
| 152 && error->error_code == BadAccess)) | |
| 153 return 0; | |
| 154 fprintf(stderr, "gridwm: fatal error: request code=%d, error code=%d\n", | |
| 155 error->request_code, error->error_code); | |
| 156 return x_error_handler(dpy, error); /* may call exit() */ | |
| 157 } | |
| 158 | |
| 159 /* | |
| 160 * Startup Error handler to check if another window manager | |
| 161 * is already running. | |
| 162 */ | |
| 163 static int | |
| 164 startup_error_handler(Display *dpy, XErrorEvent *error) | |
| 165 { | |
| 166 other_wm_running = True; | |
| 167 return -1; | |
| 168 } | |
| 169 | |
| 170 static void | |
| 171 cleanup() | |
| 172 { | |
| 14 | 173 while(clients) |
| 174 unmanage(clients); | |
| 0 | 175 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); |
| 176 } | |
| 177 | |
| 178 int | |
| 179 main(int argc, char *argv[]) | |
| 180 { | |
| 181 int i; | |
| 182 XSetWindowAttributes wa; | |
| 183 unsigned int mask; | |
| 184 Window w; | |
| 5 | 185 XEvent ev; |
| 14 | 186 fd_set fds; |
| 187 struct timeval t, timeout = { | |
| 188 .tv_usec = 0, | |
| 189 .tv_sec = STATUSDELAY, | |
| 190 }; | |
| 0 | 191 |
| 192 /* command line args */ | |
| 193 for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) { | |
| 194 switch (argv[i][1]) { | |
| 195 case 'v': | |
| 196 fprintf(stdout, "%s", version); | |
| 197 exit(0); | |
| 198 break; | |
| 199 default: | |
| 200 usage(); | |
| 201 break; | |
| 202 } | |
| 203 } | |
| 204 | |
| 205 dpy = XOpenDisplay(0); | |
| 206 if(!dpy) | |
| 207 error("gridwm: cannot connect X server\n"); | |
| 208 | |
| 209 screen = DefaultScreen(dpy); | |
| 210 root = RootWindow(dpy, screen); | |
| 211 | |
| 212 /* check if another WM is already running */ | |
| 213 other_wm_running = False; | |
| 214 XSetErrorHandler(startup_error_handler); | |
| 215 /* this causes an error if some other WM is running */ | |
| 216 XSelectInput(dpy, root, SubstructureRedirectMask); | |
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217 XFlush(dpy); |
| 0 | 218 |
| 219 if(other_wm_running) | |
| 220 error("gridwm: another window manager is already running\n"); | |
| 221 | |
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222 sx = sy = 0; |
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223 sw = DisplayWidth(dpy, screen); |
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224 sh = DisplayHeight(dpy, screen); |
| 0 | 225 sel_screen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); |
| 226 | |
| 227 XSetErrorHandler(0); | |
| 228 x_error_handler = XSetErrorHandler(error_handler); | |
| 229 | |
| 230 /* init atoms */ | |
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231 wm_atom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); |
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232 wm_atom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); |
| 0 | 233 net_atom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); |
| 234 net_atom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); | |
| 235 | |
| 236 XChangeProperty(dpy, root, net_atom[NetSupported], XA_ATOM, 32, | |
| 237 PropModeReplace, (unsigned char *) net_atom, NetLast); | |
| 238 | |
| 239 | |
| 240 /* init cursors */ | |
| 241 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); | |
| 242 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); | |
| 243 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); | |
| 244 | |
| 8 | 245 update_keys(); |
| 0 | 246 |
| 5 | 247 /* style */ |
| 248 loadcolors(dpy, screen, &brush, BGCOLOR, FGCOLOR, BORDERCOLOR); | |
| 249 loadfont(dpy, &brush.font, FONT); | |
| 250 | |
| 251 wa.override_redirect = 1; | |
| 252 wa.background_pixmap = ParentRelative; | |
| 253 wa.event_mask = ExposureMask; | |
| 254 | |
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255 bx = by = 0; |
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256 bw = sw; |
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257 bh = texth(&brush.font); |
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simplified several portions of code through replacing rect structs with x,y,h,w counterparts (much more readable)
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258 barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen), |
| 5 | 259 CopyFromParent, DefaultVisual(dpy, screen), |
| 260 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); | |
| 261 XDefineCursor(dpy, barwin, cursor[CurNormal]); | |
| 262 XMapRaised(dpy, barwin); | |
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263 |
|
26
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parents:
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264 brush.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen)); |
|
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265 brush.gc = XCreateGC(dpy, root, 0, 0); |
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implemented draw_client stuff
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266 |
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several changes, new stuff
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267 pipe_spawn(statustext, sizeof(statustext), dpy, (char **)status); |
| 5 | 268 draw_bar(); |
| 0 | 269 |
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fixed several stuff (gridwm gets better and better)
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270 wa.event_mask = SubstructureRedirectMask | EnterWindowMask \ |
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fixed several stuff (gridwm gets better and better)
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271 | LeaveWindowMask; |
| 0 | 272 wa.cursor = cursor[CurNormal]; |
| 273 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); | |
| 274 | |
| 5 | 275 scan_wins(); |
|
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several new changes, made gridmenu working
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parents:
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276 |
| 5 | 277 while(running) { |
| 14 | 278 if(XPending(dpy) > 0) { |
| 279 XNextEvent(dpy, &ev); | |
| 280 if(handler[ev.type]) | |
| 281 (handler[ev.type]) (&ev); /* call handler */ | |
| 282 continue; | |
| 283 } | |
| 284 FD_ZERO(&fds); | |
| 285 FD_SET(ConnectionNumber(dpy), &fds); | |
| 286 t = timeout; | |
| 287 if(select(ConnectionNumber(dpy) + 1, &fds, NULL, NULL, &t) > 0) | |
| 288 continue; | |
|
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289 else if(errno != EINTR) { |
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290 pipe_spawn(statustext, sizeof(statustext), dpy, (char **)status); |
| 14 | 291 draw_bar(); |
|
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292 } |
| 5 | 293 } |
| 0 | 294 |
| 295 cleanup(); | |
| 296 XCloseDisplay(dpy); | |
| 297 | |
| 298 return 0; | |
| 299 } |