aewl: 0f91934037b0 client.c

aewl

view client.c @ 726:0f91934037b0

applied Sander's drop_bh patch

author	Anselm R. Garbe <arg@suckless.org>
date	Wed, 31 Jan 2007 20:08:55 +0100
parents	d3876aa79292
children	8997e28553a8

line source

1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>

2 * See LICENSE file for license details.

3 */

4 #include "dwm.h"

5 #include <stdlib.h>

6 #include <string.h>

7 #include <X11/Xatom.h>

8 #include <X11/Xutil.h>

10 /* static functions */

12 static void

13 detachstack(Client *c) {

14 Client **tc;

15 for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);

16 *tc = c->snext;

17 }

19 static void

20 grabbuttons(Client *c, Bool focused) {

21 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);

23 if(focused) {

24 XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,

25 GrabModeAsync, GrabModeSync, None, None);

26 XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,

27 GrabModeAsync, GrabModeSync, None, None);

28 XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,

29 GrabModeAsync, GrabModeSync, None, None);

30 XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,

31 GrabModeAsync, GrabModeSync, None, None);

33 XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,

34 GrabModeAsync, GrabModeSync, None, None);

35 XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,

36 GrabModeAsync, GrabModeSync, None, None);

37 XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,

38 GrabModeAsync, GrabModeSync, None, None);

39 XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,

40 GrabModeAsync, GrabModeSync, None, None);

42 XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,

43 GrabModeAsync, GrabModeSync, None, None);

44 XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,

45 GrabModeAsync, GrabModeSync, None, None);

46 XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,

47 GrabModeAsync, GrabModeSync, None, None);

48 XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,

49 GrabModeAsync, GrabModeSync, None, None);

50 }

51 else

52 XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,

53 GrabModeAsync, GrabModeSync, None, None);

54 }

56 static void

57 setclientstate(Client *c, long state) {

58 long data[] = {state, None};

59 XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,

60 PropModeReplace, (unsigned char *)data, 2);

61 }

63 static int

64 xerrordummy(Display *dsply, XErrorEvent *ee) {

65 return 0;

66 }

68 /* extern functions */

70 void

71 configure(Client *c) {

72 XEvent synev;

74 synev.type = ConfigureNotify;

75 synev.xconfigure.display = dpy;

76 synev.xconfigure.event = c->win;

77 synev.xconfigure.window = c->win;

78 synev.xconfigure.x = c->x;

79 synev.xconfigure.y = c->y;

80 synev.xconfigure.width = c->w;

81 synev.xconfigure.height = c->h;

82 synev.xconfigure.border_width = c->border;

83 synev.xconfigure.above = None;

84 XSendEvent(dpy, c->win, True, NoEventMask, &synev);

85 }

87 void

88 focus(Client *c) {

89 if(c && !isvisible(c))

90 return;

91 if(sel && sel != c) {

92 grabbuttons(sel, False);

93 XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);

94 }

95 if(c) {

96 detachstack(c);

97 c->snext = stack;

98 stack = c;

99 grabbuttons(c, True);

100 }

101 sel = c;

102 drawstatus();

103 if(!selscreen)

104 return;

105 if(c) {

106 XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);

107 XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);

108 }

109 else

110 XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);

111 }

112

113 Client *

114 getclient(Window w) {

115 Client *c;

116

117 for(c = clients; c; c = c->next)

118 if(c->win == w)

119 return c;

120 return NULL;

121 }

122

123 void

124 killclient(Arg *arg) {

125 if(!sel)

126 return;

127 if(sel->proto & PROTODELWIN)

128 sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);

129 else

130 XKillClient(dpy, sel->win);

131 }

132

133 void

134 manage(Window w, XWindowAttributes *wa) {

135 Client *c;

136 Window trans;

137

138 c = emallocz(sizeof(Client));

139 c->tags = emallocz(ntags * sizeof(Bool));

140 c->win = w;

141 c->x = wa->x;

142 c->y = wa->y;

143 c->w = wa->width;

144 c->h = wa->height;

145 if(c->w == sw && c->h == sh) {

146 c->border = 0;

147 c->x = sx;

148 c->y = sy;

149 }

150 else {

151 c->border = BORDERPX;

152 if(c->x + c->w + 2 * c->border > wax + waw)

153 c->x = wax + waw - c->w - 2 * c->border;

154 if(c->y + c->h + 2 * c->border > way + wah)

155 c->y = way + wah - c->h - 2 * c->border;

156 if(c->x < wax)

157 c->x = wax;

158 if(c->y < way)

159 c->y = way;

160 }

161 updatesizehints(c);

162 c->proto = getproto(c->win);

163 XSelectInput(dpy, c->win,

164 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

165 XGetTransientForHint(dpy, c->win, &trans);

166 grabbuttons(c, False);

167 XSetWindowBorder(dpy, c->win, dc.norm[ColBorder]);

168 updatetitle(c);

169 settags(c, getclient(trans));

170 if(!c->isfloat)

171 c->isfloat = trans || c->isfixed;

172 if(clients)

173 clients->prev = c;

174 c->next = clients;

175 c->snext = stack;

176 stack = clients = c;

177 XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);

178 XMapWindow(dpy, c->win);

179 setclientstate(c, NormalState);

180 if(isvisible(c))

181 focus(c);

182 arrange();

183 }

184

185 void

186 resize(Client *c, Bool sizehints) {

187 XWindowChanges wc;

188

189 if(c->w <= 0 || c->h <= 0)

190 return;

191 if(sizehints) {

192 if(c->incw)

193 c->w -= (c->w - c->basew) % c->incw;

194 if(c->inch)

195 c->h -= (c->h - c->baseh) % c->inch;

196 if(c->minw && c->w < c->minw)

197 c->w = c->minw;

198 if(c->minh && c->h < c->minh)

199 c->h = c->minh;

200 if(c->maxw && c->w > c->maxw)

201 c->w = c->maxw;

202 if(c->maxh && c->h > c->maxh)

203 c->h = c->maxh;

204 }

205 if(c->w == sw && c->h == sh)

206 c->border = 0;

207 else

208 c->border = BORDERPX;

209 /* offscreen appearance fixes */

210 if(c->x > sw)

211 c->x = sw - c->w - 2 * c->border;

212 if(c->y > sh)

213 c->y = sh - c->h - 2 * c->border;

214 if(c->x + c->w + 2 * c->border < sx)

215 c->x = sx;

216 if(c->y + c->h + 2 * c->border < sy)

217 c->y = sy;

218 wc.x = c->x;

219 wc.y = c->y;

220 wc.width = c->w;

221 wc.height = c->h;

222 wc.border_width = c->border;

223 XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);

224 configure(c);

225 XSync(dpy, False);

226 }

227

228 void

229 updatesizehints(Client *c) {

230 long msize;

231 XSizeHints size;

232

233 if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)

234 size.flags = PSize;

235 c->flags = size.flags;

236 if(c->flags & PBaseSize) {

237 c->basew = size.base_width;

238 c->baseh = size.base_height;

239 }

240 else

241 c->basew = c->baseh = 0;

242 if(c->flags & PResizeInc) {

243 c->incw = size.width_inc;

244 c->inch = size.height_inc;

245 }

246 else

247 c->incw = c->inch = 0;

248 if(c->flags & PMaxSize) {

249 c->maxw = size.max_width;

250 c->maxh = size.max_height;

251 }

252 else

253 c->maxw = c->maxh = 0;

254 if(c->flags & PMinSize) {

255 c->minw = size.min_width;

256 c->minh = size.min_height;

257 }

258 else

259 c->minw = c->minh = 0;

260 c->isfixed = (c->maxw && c->minw && c->maxh && c->minh &&

261 c->maxw == c->minw && c->maxh == c->minh);

262 }

263

264 void

265 updatetitle(Client *c) {

266 char **list = NULL;

267 int n;

268 XTextProperty name;

269

270 name.nitems = 0;

271 c->name[0] = 0;

272 XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);

273 if(!name.nitems)

274 XGetWMName(dpy, c->win, &name);

275 if(!name.nitems)

276 return;

277 if(name.encoding == XA_STRING)

278 strncpy(c->name, (char *)name.value, sizeof c->name);

279 else {

280 if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success

281 && n > 0 && *list)

282 {

283 strncpy(c->name, *list, sizeof c->name);

284 XFreeStringList(list);

285 }

286 }

287 XFree(name.value);

288 }

289

290 void

291 unmanage(Client *c) {

292 Client *nc;

293

294 /* The server grab construct avoids race conditions. */

295 XGrabServer(dpy);

296 XSetErrorHandler(xerrordummy);

297 detach(c);

298 detachstack(c);

299 if(sel == c) {

300 for(nc = stack; nc && !isvisible(nc); nc = nc->snext);

301 focus(nc);

302 }

303 XUngrabButton(dpy, AnyButton, AnyModifier, c->win);

304 setclientstate(c, WithdrawnState);

305 free(c->tags);

306 free(c);

307 XSync(dpy, False);

308 XSetErrorHandler(xerror);

309 XUngrabServer(dpy);

310 arrange();

311 }