aewl: 126e78129f1d main.c

aewl

view main.c @ 384:126e78129f1d

configurenotify remembers max geom now, and restores this if necessary, however it accepts to touch the max size on configurerequest, this shouldn't break fillscreen apps (tested with mplayer)

author	Anselm R. Garbe <arg@10kloc.org>
date	Tue, 29 Aug 2006 17:31:55 +0200
parents	175045ce7537
children	052657ff2e7b

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 Cursor cursor[CurLast];

30 Display *dpy;

31 DC dc = {0};

32 Window root, barwin;

34 /* static */

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

37 static Bool otherwm, readin;

39 static void

40 cleanup()

41 {

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 }

59 static void

60 scan()

61 {

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 {

84 int i, j;

85 unsigned int mask;

86 Window w;

87 XModifierKeymap *modmap;

88 XSetWindowAttributes wa;

90 /* init atoms */

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

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

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

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

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

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

98 /* init cursors */

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

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

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

102

103 modmap = XGetModifierMapping(dpy);

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

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

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

107 numlockmask = (1 << i);

108 }

109 }

110 XFree(modmap);

111

112 wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask | 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 {

165 otherwm = True;

166 return -1;

167 }

168

169 /* extern */

170

171 int

172 getproto(Window w)

173 {

174 int i, format, protos, status;

175 unsigned long extra, res;

176 Atom *protocols, real;

177

178 protos = 0;

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

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

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

182 return protos;

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

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

185 protos |= PROTODELWIN;

186 free(protocols);

187 return protos;

188 }

189

190 void

191 sendevent(Window w, Atom a, long value)

192 {

193 XEvent e;

194

195 e.type = ClientMessage;

196 e.xclient.window = w;

197 e.xclient.message_type = a;

198 e.xclient.format = 32;

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

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

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

202 XSync(dpy, False);

203 }

204

205 void

206 quit(Arg *arg)

207 {

208 readin = running = False;

209 }

210

211 /*

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

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

214 * default error handler, which calls exit().

215 */

216 int

217 xerror(Display *dpy, XErrorEvent *ee)

218 {

219 if(ee->error_code == BadWindow

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

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

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

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

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

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

226 return 0;

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

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

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

230 }

231

232 int

233 main(int argc, char *argv[])

234 {

235 int r, xfd;

236 fd_set rd;

237

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

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

240 exit(EXIT_SUCCESS);

241 }

242 else if(argc != 1)

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

244

245 dpy = XOpenDisplay(0);

246 if(!dpy)

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

248

249 xfd = ConnectionNumber(dpy);

250 screen = DefaultScreen(dpy);

251 root = RootWindow(dpy, screen);

252

253 otherwm = False;

254 XSetErrorHandler(xerrorstart);

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

256 XSelectInput(dpy, root, SubstructureRedirectMask);

257 XSync(dpy, False);

258

259 if(otherwm)

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

261

262 XSync(dpy, False);

263 XSetErrorHandler(NULL);

264 xerrorxlib = XSetErrorHandler(xerror);

265 XSync(dpy, False);

266

267 setup();

268 drawstatus();

269 scan();

270

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

272 XSync(dpy, False);

273 procevent();

274 readin = True;

275 while(running) {

276 FD_ZERO(&rd);

277 if(readin)

278 FD_SET(STDIN_FILENO, &rd);

279 FD_SET(xfd, &rd);

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

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

282 continue;

283 if(r > 0) {

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

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

286 if(readin)

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

288 else

289 strcpy(stext, "broken pipe");

290 drawstatus();

291 }

292 }

293 else if(r < 0)

294 eprint("select failed\n");

295 procevent();

296 }

297 cleanup();

298 XCloseDisplay(dpy);

299

300 return 0;

301 }