dwm-meillo: 898c54484cb2 main.c

dwm-meillo

view main.c @ 475:898c54484cb2

slight change to config.arg.h (I use ff floating)

author	arg@mmvi
date	Fri, 22 Sep 2006 08:22:39 +0200
parents	9d23330a5268
children	be4f90c03582

line source

1 /*

2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>

3 * See LICENSE file for license details.

4 */

6 #include "dwm.h"

7 #include <errno.h>

8 #include <stdio.h>

9 #include <stdlib.h>

10 #include <string.h>

11 #include <unistd.h>

12 #include <sys/select.h>

13 #include <X11/cursorfont.h>

14 #include <X11/keysym.h>

15 #include <X11/Xatom.h>

16 #include <X11/Xproto.h>

18 /* extern */

20 char stext[1024];

21 Bool *seltag;

22 int bx, by, bw, bh, bmw, mw, screen, sx, sy, sw, sh;

23 unsigned int ntags, numlockmask;

24 Atom wmatom[WMLast], netatom[NetLast];

25 Bool running = True;

26 Bool issel = True;

27 Client *clients = NULL;

28 Client *sel = NULL;

29 Client *stack = NULL;

30 Cursor cursor[CurLast];

31 Display *dpy;

32 DC dc = {0};

33 Window root, barwin;

35 /* static */

37 static int (*xerrorxlib)(Display *, XErrorEvent *);

38 static Bool otherwm, readin;

40 static void

41 cleanup() {

42 close(STDIN_FILENO);

43 while(sel) {

44 resize(sel, True, TopLeft);

45 unmanage(sel);

46 }

47 if(dc.font.set)

48 XFreeFontSet(dpy, dc.font.set);

49 else

50 XFreeFont(dpy, dc.font.xfont);

51 XUngrabKey(dpy, AnyKey, AnyModifier, root);

52 XFreePixmap(dpy, dc.drawable);

53 XFreeGC(dpy, dc.gc);

54 XDestroyWindow(dpy, barwin);

55 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);

56 XSync(dpy, False);

57 free(seltag);

58 }

60 static void

61 scan() {

62 unsigned int i, num;

63 Window *wins, d1, d2;

64 XWindowAttributes wa;

66 wins = NULL;

67 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {

68 for(i = 0; i < num; i++) {

69 if(!XGetWindowAttributes(dpy, wins[i], &wa))

70 continue;

71 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))

72 continue;

73 if(wa.map_state == IsViewable)

74 manage(wins[i], &wa);

75 }

76 }

77 if(wins)

78 XFree(wins);

79 }

81 static void

82 setup() {

83 int i, j;

84 unsigned int mask;

85 Window w;

86 XModifierKeymap *modmap;

87 XSetWindowAttributes wa;

89 /* init atoms */

90 wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);

91 wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);

92 netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);

93 netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);

94 XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,

95 PropModeReplace, (unsigned char *) netatom, NetLast);

97 /* init cursors */

98 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);

99 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);

100 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);

101

102 modmap = XGetModifierMapping(dpy);

103 for (i = 0; i < 8; i++) {

104 for (j = 0; j < modmap->max_keypermod; j++) {

105 if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock))

106 numlockmask = (1 << i);

107 }

108 }

109 XFree(modmap);

110

111 wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask

112 | EnterWindowMask | LeaveWindowMask;

113 wa.cursor = cursor[CurNormal];

114 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);

115

116 grabkeys();

117 initrregs();

118

119 for(ntags = 0; tags[ntags]; ntags++);

120 seltag = emallocz(sizeof(Bool) * ntags);

121 seltag[0] = True;

122

123 /* style */

124 dc.norm[ColBG] = getcolor(NORMBGCOLOR);

125 dc.norm[ColFG] = getcolor(NORMFGCOLOR);

126 dc.sel[ColBG] = getcolor(SELBGCOLOR);

127 dc.sel[ColFG] = getcolor(SELFGCOLOR);

128 dc.status[ColBG] = getcolor(STATUSBGCOLOR);

129 dc.status[ColFG] = getcolor(STATUSFGCOLOR);

130 setfont(FONT);

131

132 bmw = textw(FLOATSYMBOL) > textw(TILESYMBOL) ? textw(FLOATSYMBOL) : textw(TILESYMBOL);

133 sx = sy = 0;

134 sw = DisplayWidth(dpy, screen);

135 sh = DisplayHeight(dpy, screen);

136 mw = (sw * MASTERW) / 100;

137

138 bx = by = 0;

139 bw = sw;

140 dc.h = bh = dc.font.height + 2;

141 wa.override_redirect = 1;

142 wa.background_pixmap = ParentRelative;

143 wa.event_mask = ButtonPressMask | ExposureMask;

144 barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen),

145 CopyFromParent, DefaultVisual(dpy, screen),

146 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);

147 XDefineCursor(dpy, barwin, cursor[CurNormal]);

148 XMapRaised(dpy, barwin);

149

150 dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));

151 dc.gc = XCreateGC(dpy, root, 0, 0);

152 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);

153

154 issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);

155 strcpy(stext, "dwm-"VERSION);

156 }

157

158 /*

159 * Startup Error handler to check if another window manager

160 * is already running.

161 */

162 static int

163 xerrorstart(Display *dsply, XErrorEvent *ee) {

164 otherwm = True;

165 return -1;

166 }

167

168 /* extern */

169

170 int

171 getproto(Window w) {

172 int i, format, protos, status;

173 unsigned long extra, res;

174 Atom *protocols, real;

175

176 protos = 0;

177 status = XGetWindowProperty(dpy, w, wmatom[WMProtocols], 0L, 20L, False,

178 XA_ATOM, &real, &format, &res, &extra, (unsigned char **)&protocols);

179 if(status != Success || protocols == 0)

180 return protos;

181 for(i = 0; i < res; i++)

182 if(protocols[i] == wmatom[WMDelete])

183 protos |= PROTODELWIN;

184 free(protocols);

185 return protos;

186 }

187

188 void

189 sendevent(Window w, Atom a, long value) {

190 XEvent e;

191

192 e.type = ClientMessage;

193 e.xclient.window = w;

194 e.xclient.message_type = a;

195 e.xclient.format = 32;

196 e.xclient.data.l[0] = value;

197 e.xclient.data.l[1] = CurrentTime;

198 XSendEvent(dpy, w, False, NoEventMask, &e);

199 XSync(dpy, False);

200 }

201

202 void

203 quit(Arg *arg) {

204 readin = running = False;

205 }

206

207 /*

208 * There's no way to check accesses to destroyed windows, thus those cases are

209 * ignored (especially on UnmapNotify's). Other types of errors call Xlibs

210 * default error handler, which may call exit.

211 */

212 int

213 xerror(Display *dpy, XErrorEvent *ee) {

214 if(ee->error_code == BadWindow

215 || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)

216 || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)

217 || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)

218 || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)

219 || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)

220 || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)

221 || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))

222 return 0;

223 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",

224 ee->request_code, ee->error_code);

225 return xerrorxlib(dpy, ee); /* may call exit */

226 }

227

228 int

229 main(int argc, char *argv[]) {

230 int r, xfd;

231 fd_set rd;

232

233 if(argc == 2 && !strncmp("-v", argv[1], 3)) {

234 fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);

235 exit(EXIT_SUCCESS);

236 }

237 else if(argc != 1)

238 eprint("usage: dwm [-v]\n");

239

240 dpy = XOpenDisplay(0);

241 if(!dpy)

242 eprint("dwm: cannot open display\n");

243

244 xfd = ConnectionNumber(dpy);

245 screen = DefaultScreen(dpy);

246 root = RootWindow(dpy, screen);

247

248 otherwm = False;

249 XSetErrorHandler(xerrorstart);

250 /* this causes an error if some other window manager is running */

251 XSelectInput(dpy, root, SubstructureRedirectMask);

252 XSync(dpy, False);

253

254 if(otherwm)

255 eprint("dwm: another window manager is already running\n");

256

257 XSync(dpy, False);

258 XSetErrorHandler(NULL);

259 xerrorxlib = XSetErrorHandler(xerror);

260 XSync(dpy, False);

261

262 setup();

263 drawstatus();

264 scan();

265

266 /* main event loop, also reads status text from stdin */

267 XSync(dpy, False);

268 procevent();

269 readin = True;

270 while(running) {

271 FD_ZERO(&rd);

272 if(readin)

273 FD_SET(STDIN_FILENO, &rd);

274 FD_SET(xfd, &rd);

275 r = select(xfd + 1, &rd, NULL, NULL, NULL);

276 if((r == -1) && (errno == EINTR))

277 continue;

278 if(r > 0) {

279 if(readin && FD_ISSET(STDIN_FILENO, &rd)) {

280 readin = NULL != fgets(stext, sizeof(stext), stdin);

281 if(readin)

282 stext[strlen(stext) - 1] = 0;

283 else

284 strcpy(stext, "broken pipe");

285 drawstatus();

286 }

287 }

288 else if(r < 0)

289 eprint("select failed\n");

290 procevent();

291 }

292 cleanup();

293 XCloseDisplay(dpy);

294

295 return 0;

296 }