aewl: 5b3e4cdb6674 client.c

aewl

view client.c @ 715:5b3e4cdb6674

implemented Sanders remarks

author	Anselm R. Garbe <arg@suckless.org>
date	Tue, 23 Jan 2007 13:10:35 +0100
parents	7034ee0f48d6
children	4ce65f61f01b

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 int

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

58 return 0;

59 }

61 /* extern functions */

63 void

64 configure(Client *c) {

65 XEvent synev;

67 synev.type = ConfigureNotify;

68 synev.xconfigure.display = dpy;

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

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

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

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

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

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

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

76 synev.xconfigure.above = None;

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

78 }

80 void

81 focus(Client *c) {

82 if(c && !isvisible(c))

83 return;

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

85 grabbuttons(sel, False);

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

87 }

88 if(c) {

89 detachstack(c);

90 c->snext = stack;

91 stack = c;

92 grabbuttons(c, True);

93 }

94 sel = c;

95 drawstatus();

96 if(!activescreen)

97 return;

98 if(c) {

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

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

101 }

102 else

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

104 }

105

106 Client *

107 getclient(Window w) {

108 Client *c;

109

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

111 if(c->win == w)

112 return c;

113 return NULL;

114 }

115

116 void

117 killclient(Arg *arg) {

118 if(!sel)

119 return;

120 if(sel->proto & PROTODELWIN)

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

122 else

123 XKillClient(dpy, sel->win);

124 }

125

126 void

127 manage(Window w, XWindowAttributes *wa) {

128 Client *c;

129 Window trans;

130

131 c = emallocz(sizeof(Client));

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

133 c->win = w;

134 c->x = wa->x;

135 c->y = wa->y;

136 c->w = wa->width;

137 c->h = wa->height;

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

139 c->border = 0;

140 c->x = sx;

141 c->y = sy;

142 }

143 else {

144 c->border = BORDERPX;

145 if(c->x < wax)

146 c->x = wax;

147 if(c->y < way)

148 c->y = way;

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

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

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

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

153 }

154 updatesizehints(c);

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

156 XSelectInput(dpy, c->win,

157 StructureNotifyMask | PropertyChangeMask | EnterWindowMask);

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

159 grabbuttons(c, False);

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

161 updatetitle(c);

162 settags(c, getclient(trans));

163 if(!c->isfloat)

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

165 if(clients)

166 clients->prev = c;

167 c->next = clients;

168 c->snext = stack;

169 stack = clients = c;

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

171 XMapWindow(dpy, c->win);

172 if(isvisible(c))

173 focus(c);

174 arrange();

175 }

176

177 void

178 resize(Client *c, Bool sizehints) {

179 XWindowChanges wc;

180

181 if(sizehints) {

182 if(c->incw)

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

184 if(c->inch)

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

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

187 c->w = c->minw;

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

189 c->h = c->minh;

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

191 c->w = c->maxw;

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

193 c->h = c->maxh;

194 }

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

196 c->border = 0;

197 else

198 c->border = BORDERPX;

199 /* offscreen appearance fixes */

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

201 c->x = sx;

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

203 c->y = sy;

204 if(c->x > sw)

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

206 if(c->y > sh)

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

208 wc.x = c->x;

209 wc.y = c->y;

210 wc.width = c->w;

211 wc.height = c->h;

212 wc.border_width = c->border;

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

214 configure(c);

215 XSync(dpy, False);

216 }

217

218 void

219 updatesizehints(Client *c) {

220 long msize;

221 XSizeHints size;

222

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

224 size.flags = PSize;

225 c->flags = size.flags;

226 if(c->flags & PBaseSize) {

227 c->basew = size.base_width;

228 c->baseh = size.base_height;

229 }

230 else

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

232 if(c->flags & PResizeInc) {

233 c->incw = size.width_inc;

234 c->inch = size.height_inc;

235 }

236 else

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

238 if(c->flags & PMaxSize) {

239 c->maxw = size.max_width;

240 c->maxh = size.max_height;

241 }

242 else

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

244 if(c->flags & PMinSize) {

245 c->minw = size.min_width;

246 c->minh = size.min_height;

247 }

248 else

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

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

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

252 }

253

254 void

255 updatetitle(Client *c) {

256 char **list = NULL;

257 int n;

258 XTextProperty name;

259

260 name.nitems = 0;

261 c->name[0] = 0;

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

263 if(!name.nitems)

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

265 if(!name.nitems)

266 return;

267 if(name.encoding == XA_STRING)

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

269 else {

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

271 && n > 0 && *list)

272 {

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

274 XFreeStringList(list);

275 }

276 }

277 XFree(name.value);

278 }

279

280 void

281 unmanage(Client *c) {

282 Client *nc;

283

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

285 XGrabServer(dpy);

286 XSetErrorHandler(xerrordummy);

287 detach(c);

288 detachstack(c);

289 if(sel == c) {

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

291 focus(nc);

292 }

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

294 free(c->tags);

295 free(c);

296 XSync(dpy, False);

297 XSetErrorHandler(xerror);

298 XUngrabServer(dpy);

299 arrange();

300 }