Mercurial > aewl
annotate main.c @ 53:529901e6a227
added mini stuff
| author | Anselm R. Garbe <garbeam@wmii.de> |
|---|---|
| date | Thu, 13 Jul 2006 21:42:17 +0200 |
| parents | d18f6dd0cf23 |
| children | f005d46462e8 |
| 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 | |
| 6 #include <stdarg.h> | |
| 7 #include <stdio.h> | |
| 8 #include <stdlib.h> | |
| 9 | |
| 10 #include <X11/cursorfont.h> | |
| 11 #include <X11/Xatom.h> | |
| 12 #include <X11/Xproto.h> | |
| 13 | |
| 43 | 14 #include "dwm.h" |
| 0 | 15 |
| 31 | 16 /********** CUSTOMIZE **********/ |
| 17 | |
| 18 char *tags[TLast] = { | |
| 19 [Tscratch] = "scratch", | |
| 20 [Tdev] = "dev", | |
| 21 [Tirc] = "irc", | |
| 22 [Twww] = "www", | |
| 23 [Twork] = "work", | |
| 24 }; | |
| 25 | |
| 26 /********** CUSTOMIZE **********/ | |
| 27 | |
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28 /* X structs */ |
| 0 | 29 Display *dpy; |
| 5 | 30 Window root, barwin; |
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31 Atom wm_atom[WMLast], net_atom[NetLast]; |
| 0 | 32 Cursor cursor[CurLast]; |
| 5 | 33 Bool running = True; |
| 31 | 34 Bool issel; |
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35 |
| 31 | 36 int tsel = Tdev; /* default tag */ |
| 51 | 37 int screen, sx, sy, sw, sh, mw, th; |
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38 |
| 34 | 39 DC dc = {0}; |
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40 Client *clients = NULL; |
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41 Client *sel = NULL; |
| 0 | 42 |
| 43 static Bool other_wm_running; | |
| 31 | 44 static const char version[] = |
| 34 | 45 "dwm - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n"; |
| 0 | 46 static int (*x_error_handler) (Display *, XErrorEvent *); |
| 47 | |
| 48 static void | |
| 34 | 49 usage() { error("usage: dwm [-v]\n"); } |
| 0 | 50 |
| 51 static void | |
| 52 scan_wins() | |
| 53 { | |
| 54 unsigned int i, num; | |
| 55 Window *wins; | |
| 56 XWindowAttributes wa; | |
| 57 Window d1, d2; | |
| 58 | |
| 59 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { | |
| 60 for(i = 0; i < num; i++) { | |
| 61 if(!XGetWindowAttributes(dpy, wins[i], &wa)) | |
| 62 continue; | |
| 63 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) | |
| 64 continue; | |
| 65 if(wa.map_state == IsViewable) | |
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66 manage(wins[i], &wa); |
| 0 | 67 } |
| 68 } | |
| 69 if(wins) | |
| 70 XFree(wins); | |
| 71 } | |
| 72 | |
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73 static int |
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74 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) |
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75 { |
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76 Atom real; |
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77 int format; |
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78 unsigned long res, extra; |
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79 int status; |
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80 |
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81 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format, |
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82 &res, &extra, prop); |
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83 |
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84 if(status != Success || *prop == 0) { |
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85 return 0; |
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86 } |
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87 if(res == 0) { |
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88 free((void *) *prop); |
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89 } |
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90 return res; |
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91 } |
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92 |
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93 int |
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94 win_proto(Window w) |
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95 { |
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96 unsigned char *protocols; |
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97 long res; |
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98 int protos = 0; |
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99 int i; |
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100 |
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101 res = win_property(w, wm_atom[WMProtocols], XA_ATOM, 20L, &protocols); |
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102 if(res <= 0) { |
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103 return protos; |
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104 } |
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105 for(i = 0; i < res; i++) { |
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106 if(protocols[i] == wm_atom[WMDelete]) |
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107 protos |= WM_PROTOCOL_DELWIN; |
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108 } |
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109 free((char *) protocols); |
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110 return protos; |
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111 } |
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112 |
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113 void |
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114 send_message(Window w, Atom a, long value) |
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115 { |
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116 XEvent e; |
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117 |
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118 e.type = ClientMessage; |
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119 e.xclient.window = w; |
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120 e.xclient.message_type = a; |
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121 e.xclient.format = 32; |
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122 e.xclient.data.l[0] = value; |
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123 e.xclient.data.l[1] = CurrentTime; |
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124 XSendEvent(dpy, w, False, NoEventMask, &e); |
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125 XFlush(dpy); |
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126 } |
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127 |
| 0 | 128 /* |
| 129 * There's no way to check accesses to destroyed windows, thus | |
| 130 * those cases are ignored (especially on UnmapNotify's). | |
| 131 * Other types of errors call Xlib's default error handler, which | |
| 132 * calls exit(). | |
| 133 */ | |
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134 int |
| 0 | 135 error_handler(Display *dpy, XErrorEvent *error) |
| 136 { | |
| 137 if(error->error_code == BadWindow | |
| 138 || (error->request_code == X_SetInputFocus | |
| 139 && error->error_code == BadMatch) | |
| 140 || (error->request_code == X_PolyText8 | |
| 141 && error->error_code == BadDrawable) | |
| 142 || (error->request_code == X_PolyFillRectangle | |
| 143 && error->error_code == BadDrawable) | |
| 144 || (error->request_code == X_PolySegment | |
| 145 && error->error_code == BadDrawable) | |
| 146 || (error->request_code == X_ConfigureWindow | |
| 147 && error->error_code == BadMatch) | |
| 148 || (error->request_code == X_GrabKey | |
| 149 && error->error_code == BadAccess)) | |
| 150 return 0; | |
| 34 | 151 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", |
| 0 | 152 error->request_code, error->error_code); |
| 153 return x_error_handler(dpy, error); /* may call exit() */ | |
| 154 } | |
| 155 | |
| 156 /* | |
| 157 * Startup Error handler to check if another window manager | |
| 158 * is already running. | |
| 159 */ | |
| 160 static int | |
| 161 startup_error_handler(Display *dpy, XErrorEvent *error) | |
| 162 { | |
| 163 other_wm_running = True; | |
| 164 return -1; | |
| 165 } | |
| 166 | |
| 167 static void | |
| 168 cleanup() | |
| 169 { | |
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170 while(sel) { |
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171 resize(sel, True); |
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172 unmanage(sel); |
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173 } |
| 0 | 174 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); |
| 175 } | |
| 176 | |
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177 void |
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178 quit(Arg *arg) |
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179 { |
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180 running = False; |
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181 } |
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182 |
| 0 | 183 int |
| 184 main(int argc, char *argv[]) | |
| 185 { | |
| 186 int i; | |
| 187 XSetWindowAttributes wa; | |
| 188 unsigned int mask; | |
| 189 Window w; | |
| 5 | 190 XEvent ev; |
| 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) | |
| 34 | 207 error("dwm: cannot connect X server\n"); |
| 0 | 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) | |
| 34 | 220 error("dwm: another window manager is already running\n"); |
| 0 | 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); |
| 51 | 225 mw = (sw * MASTERW) / 100; |
| 31 | 226 issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); |
| 0 | 227 |
| 228 XSetErrorHandler(0); | |
| 229 x_error_handler = XSetErrorHandler(error_handler); | |
| 230 | |
| 231 /* init atoms */ | |
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232 wm_atom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); |
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233 wm_atom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); |
| 0 | 234 net_atom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); |
| 235 net_atom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); | |
| 236 | |
| 237 XChangeProperty(dpy, root, net_atom[NetSupported], XA_ATOM, 32, | |
| 238 PropModeReplace, (unsigned char *) net_atom, NetLast); | |
| 239 | |
| 240 | |
| 241 /* init cursors */ | |
| 242 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); | |
| 243 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); | |
| 244 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); | |
| 245 | |
| 8 | 246 update_keys(); |
| 0 | 247 |
| 5 | 248 /* style */ |
| 43 | 249 dc.bg = initcolor(BGCOLOR); |
| 250 dc.fg = initcolor(FGCOLOR); | |
| 251 dc.border = initcolor(BORDERCOLOR); | |
| 252 initfont(FONT); | |
| 5 | 253 |
| 43 | 254 th = dc.font.height + 4; |
| 5 | 255 |
| 34 | 256 dc.drawable = XCreatePixmap(dpy, root, sw, th, DefaultDepth(dpy, screen)); |
| 257 dc.gc = XCreateGC(dpy, root, 0, 0); | |
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258 |
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259 wa.event_mask = SubstructureRedirectMask | EnterWindowMask \ |
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260 | LeaveWindowMask; |
| 0 | 261 wa.cursor = cursor[CurNormal]; |
| 262 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); | |
| 263 | |
| 5 | 264 scan_wins(); |
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changeset
|
265 |
| 5 | 266 while(running) { |
| 32 | 267 XNextEvent(dpy, &ev); |
| 268 if(handler[ev.type]) | |
| 269 (handler[ev.type])(&ev); /* call handler */ | |
| 5 | 270 } |
| 0 | 271 |
| 272 cleanup(); | |
| 273 XCloseDisplay(dpy); | |
| 274 | |
| 275 return 0; | |
| 276 } |