dwm-meillo: 5370ef170cc9 event.c

dwm-meillo

view event.c @ 74:5370ef170cc9

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author	Anselm R. Garbe <garbeam@wmii.de>
date	Fri, 14 Jul 2006 22:54:09 +0200
parents	c2ddb9dbbd10
children	f08271b7cb20

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 <fcntl.h>

7 #include <stdio.h>

8 #include <stdlib.h>

9 #include <string.h>

10 #include <unistd.h>

11 #include <X11/keysym.h>

12 #include <X11/Xatom.h>

14 #include "dwm.h"

16 #define ButtonMask (ButtonPressMask | ButtonReleaseMask)

17 #define MouseMask (ButtonMask | PointerMotionMask)

19 /* local functions */

20 static void buttonpress(XEvent *e);

21 static void configurerequest(XEvent *e);

22 static void destroynotify(XEvent *e);

23 static void enternotify(XEvent *e);

24 static void leavenotify(XEvent *e);

25 static void expose(XEvent *e);

26 static void maprequest(XEvent *e);

27 static void propertynotify(XEvent *e);

28 static void unmapnotify(XEvent *e);

30 void (*handler[LASTEvent]) (XEvent *) = {

31 [ButtonPress] = buttonpress,

32 [ConfigureRequest] = configurerequest,

33 [DestroyNotify] = destroynotify,

34 [EnterNotify] = enternotify,

35 [LeaveNotify] = leavenotify,

36 [Expose] = expose,

37 [KeyPress] = keypress,

38 [MapRequest] = maprequest,

39 [PropertyNotify] = propertynotify,

40 [UnmapNotify] = unmapnotify

41 };

43 static void

44 mresize(Client *c)

45 {

46 XEvent ev;

47 int ocx, ocy;

49 ocx = c->x;

50 ocy = c->y;

51 if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,

52 None, cursor[CurResize], CurrentTime) != GrabSuccess)

53 return;

54 XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);

55 for(;;) {

56 XMaskEvent(dpy, MouseMask | ExposureMask, &ev);

57 switch(ev.type) {

58 default: break;

59 case Expose:

60 handler[Expose](&ev);

61 break;

62 case MotionNotify:

63 XFlush(dpy);

64 c->w = abs(ocx - ev.xmotion.x);

65 c->h = abs(ocy - ev.xmotion.y);

66 c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w;

67 c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h;

68 resize(c, True);

69 break;

70 case ButtonRelease:

71 XUngrabPointer(dpy, CurrentTime);

72 return;

73 }

74 }

75 }

77 static void

78 mmove(Client *c)

79 {

80 XEvent ev;

81 int x1, y1, ocx, ocy, di;

82 unsigned int dui;

83 Window dummy;

85 ocx = c->x;

86 ocy = c->y;

87 if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,

88 None, cursor[CurMove], CurrentTime) != GrabSuccess)

89 return;

90 XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);

91 for(;;) {

92 XMaskEvent(dpy, MouseMask | ExposureMask, &ev);

93 switch (ev.type) {

94 default: break;

95 case Expose:

96 handler[Expose](&ev);

97 break;

98 case MotionNotify:

99 XFlush(dpy);

100 c->x = ocx + (ev.xmotion.x - x1);

101 c->y = ocy + (ev.xmotion.y - y1);

102 resize(c, False);

103 break;

104 case ButtonRelease:

105 XUngrabPointer(dpy, CurrentTime);

106 return;

107 }

108 }

109 }

110

111 static void

112 buttonpress(XEvent *e)

113 {

114 int x;

115 Arg a;

116 XButtonPressedEvent *ev = &e->xbutton;

117 Client *c;

118

119 if(barwin == ev->window) {

120 x = (arrange == floating) ? textw("~") : 0;

121 for(a.i = 0; a.i < TLast; a.i++) {

122 x += textw(tags[a.i]);

123 if(ev->x < x) {

124 view(&a);

125 break;

126 }

127 }

128 }

129 else if((c = getclient(ev->window))) {

130 if(arrange == tiling && !c->floating)

131 return;

132 higher(c);

133 switch(ev->button) {

134 default:

135 break;

136 case Button1:

137 mmove(c);

138 break;

139 case Button2:

140 lower(c);

141 break;

142 case Button3:

143 mresize(c);

144 break;

145 }

146 }

147 }

148

149 static void

150 configurerequest(XEvent *e)

151 {

152 XConfigureRequestEvent *ev = &e->xconfigurerequest;

153 XWindowChanges wc;

154 Client *c;

155

156 ev->value_mask &= ~CWSibling;

157 if((c = getclient(ev->window))) {

158 gravitate(c, True);

159 if(ev->value_mask & CWX)

160 c->x = ev->x;

161 if(ev->value_mask & CWY)

162 c->y = ev->y;

163 if(ev->value_mask & CWWidth)

164 c->w = ev->width;

165 if(ev->value_mask & CWHeight)

166 c->h = ev->height;

167 if(ev->value_mask & CWBorderWidth)

168 c->border = 1;

169 gravitate(c, False);

170 resize(c, True);

171 }

172

173 wc.x = ev->x;

174 wc.y = ev->y;

175 wc.width = ev->width;

176 wc.height = ev->height;

177 wc.border_width = 1;

178 wc.sibling = None;

179 wc.stack_mode = Above;

180 ev->value_mask &= ~CWStackMode;

181 ev->value_mask |= CWBorderWidth;

182 XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);

183 XFlush(dpy);

184 }

185

186 static void

187 destroynotify(XEvent *e)

188 {

189 Client *c;

190 XDestroyWindowEvent *ev = &e->xdestroywindow;

191

192 if((c = getclient(ev->window)))

193 unmanage(c);

194 }

195

196 static void

197 enternotify(XEvent *e)

198 {

199 XCrossingEvent *ev = &e->xcrossing;

200 Client *c;

201

202 if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)

203 return;

204

205 if((c = getclient(ev->window)))

206 focus(c);

207 else if(ev->window == root)

208 issel = True;

209 }

210

211 static void

212 leavenotify(XEvent *e)

213 {

214 XCrossingEvent *ev = &e->xcrossing;

215

216 if((ev->window == root) && !ev->same_screen)

217 issel = True;

218 }

219

220 static void

221 expose(XEvent *e)

222 {

223 XExposeEvent *ev = &e->xexpose;

224 Client *c;

225

226 if(ev->count == 0) {

227 if(barwin == ev->window)

228 drawstatus();

229 else if((c = gettitle(ev->window)))

230 drawtitle(c);

231 }

232 }

233

234 static void

235 maprequest(XEvent *e)

236 {

237 XMapRequestEvent *ev = &e->xmaprequest;

238 static XWindowAttributes wa;

239

240 if(!XGetWindowAttributes(dpy, ev->window, &wa))

241 return;

242

243 if(wa.override_redirect) {

244 XSelectInput(dpy, ev->window,

245 (StructureNotifyMask | PropertyChangeMask));

246 return;

247 }

248

249 if(!getclient(ev->window))

250 manage(ev->window, &wa);

251 }

252

253 static void

254 propertynotify(XEvent *e)

255 {

256 XPropertyEvent *ev = &e->xproperty;

257 Window trans;

258 Client *c;

259

260 if(ev->state == PropertyDelete)

261 return; /* ignore */

262

263 if((c = getclient(ev->window))) {

264 if(ev->atom == wm_atom[WMProtocols]) {

265 c->proto = proto(c->win);

266 return;

267 }

268 switch (ev->atom) {

269 default: break;

270 case XA_WM_TRANSIENT_FOR:

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

272 if(!c->floating && (c->floating = (trans != 0)))

273 arrange(NULL);

274 break;

275 case XA_WM_NORMAL_HINTS:

276 setsize(c);

277 break;

278 }

279 if(ev->atom == XA_WM_NAME || ev->atom == net_atom[NetWMName]) {

280 settitle(c);

281 drawtitle(c);

282 }

283 }

284 }

285

286 static void

287 unmapnotify(XEvent *e)

288 {

289 Client *c;

290 XUnmapEvent *ev = &e->xunmap;

291

292 if((c = getclient(ev->window)))

293 unmanage(c);

294 }