Mercurial > dwm-meillo
annotate main.c @ 45:7943c72e34eb
added pointer warps on kb-driven/manage-driven focus
| author | Anselm R. Garbe <garbeam@wmii.de> |
|---|---|
| date | Thu, 13 Jul 2006 12:00:20 +0200 |
| parents | 989178822938 |
| children | 466591c2f967 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> | |
| 3 * See LICENSE file for license details. | |
| 4 */ | |
| 5 | |
| 6 #include <stdarg.h> | |
| 7 #include <stdio.h> | |
| 8 #include <stdlib.h> | |
| 9 | |
| 10 #include <X11/cursorfont.h> | |
| 11 #include <X11/Xatom.h> | |
| 12 #include <X11/Xproto.h> | |
| 13 | |
| 43 | 14 #include "dwm.h" |
| 0 | 15 |
| 31 | 16 /********** CUSTOMIZE **********/ |
| 17 | |
| 18 char *tags[TLast] = { | |
| 19 [Tscratch] = "scratch", | |
| 20 [Tdev] = "dev", | |
| 21 [Tirc] = "irc", | |
| 22 [Twww] = "www", | |
| 23 [Twork] = "work", | |
| 24 }; | |
| 25 | |
| 26 /********** CUSTOMIZE **********/ | |
| 27 | |
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28 /* X structs */ |
| 0 | 29 Display *dpy; |
| 5 | 30 Window root, barwin; |
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31 Atom wm_atom[WMLast], net_atom[NetLast]; |
| 0 | 32 Cursor cursor[CurLast]; |
| 5 | 33 Bool running = True; |
| 31 | 34 Bool issel; |
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35 |
| 31 | 36 char stext[1024]; |
| 37 int tsel = Tdev; /* default tag */ | |
| 32 | 38 int screen, sx, sy, sw, sh, th; |
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39 |
| 34 | 40 DC dc = {0}; |
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41 Client *clients = NULL; |
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42 Client *stack = NULL; |
| 0 | 43 |
| 44 static Bool other_wm_running; | |
| 31 | 45 static const char version[] = |
| 34 | 46 "dwm - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n"; |
| 0 | 47 static int (*x_error_handler) (Display *, XErrorEvent *); |
| 48 | |
| 49 static void | |
| 34 | 50 usage() { error("usage: dwm [-v]\n"); } |
| 0 | 51 |
| 52 static void | |
| 53 scan_wins() | |
| 54 { | |
| 55 unsigned int i, num; | |
| 56 Window *wins; | |
| 57 XWindowAttributes wa; | |
| 58 Window d1, d2; | |
| 59 | |
| 60 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { | |
| 61 for(i = 0; i < num; i++) { | |
| 62 if(!XGetWindowAttributes(dpy, wins[i], &wa)) | |
| 63 continue; | |
| 64 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) | |
| 65 continue; | |
| 66 if(wa.map_state == IsViewable) | |
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67 manage(wins[i], &wa); |
| 0 | 68 } |
| 69 } | |
| 70 if(wins) | |
| 71 XFree(wins); | |
| 72 } | |
| 73 | |
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74 static int |
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75 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) |
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76 { |
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77 Atom real; |
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78 int format; |
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79 unsigned long res, extra; |
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80 int status; |
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81 |
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82 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format, |
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83 &res, &extra, prop); |
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84 |
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85 if(status != Success || *prop == 0) { |
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86 return 0; |
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87 } |
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88 if(res == 0) { |
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89 free((void *) *prop); |
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90 } |
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91 return res; |
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92 } |
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93 |
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94 int |
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95 win_proto(Window w) |
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96 { |
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97 unsigned char *protocols; |
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98 long res; |
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99 int protos = 0; |
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100 int i; |
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101 |
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102 res = win_property(w, wm_atom[WMProtocols], XA_ATOM, 20L, &protocols); |
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103 if(res <= 0) { |
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104 return protos; |
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105 } |
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106 for(i = 0; i < res; i++) { |
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107 if(protocols[i] == wm_atom[WMDelete]) |
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108 protos |= WM_PROTOCOL_DELWIN; |
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109 } |
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110 free((char *) protocols); |
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111 return protos; |
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112 } |
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113 |
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114 void |
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115 send_message(Window w, Atom a, long value) |
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116 { |
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117 XEvent e; |
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118 |
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119 e.type = ClientMessage; |
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120 e.xclient.window = w; |
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121 e.xclient.message_type = a; |
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122 e.xclient.format = 32; |
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123 e.xclient.data.l[0] = value; |
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124 e.xclient.data.l[1] = CurrentTime; |
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125 XSendEvent(dpy, w, False, NoEventMask, &e); |
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126 XFlush(dpy); |
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127 } |
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128 |
| 0 | 129 /* |
| 130 * There's no way to check accesses to destroyed windows, thus | |
| 131 * those cases are ignored (especially on UnmapNotify's). | |
| 132 * Other types of errors call Xlib's default error handler, which | |
| 133 * calls exit(). | |
| 134 */ | |
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135 int |
| 0 | 136 error_handler(Display *dpy, XErrorEvent *error) |
| 137 { | |
| 138 if(error->error_code == BadWindow | |
| 139 || (error->request_code == X_SetInputFocus | |
| 140 && error->error_code == BadMatch) | |
| 141 || (error->request_code == X_PolyText8 | |
| 142 && error->error_code == BadDrawable) | |
| 143 || (error->request_code == X_PolyFillRectangle | |
| 144 && error->error_code == BadDrawable) | |
| 145 || (error->request_code == X_PolySegment | |
| 146 && error->error_code == BadDrawable) | |
| 147 || (error->request_code == X_ConfigureWindow | |
| 148 && error->error_code == BadMatch) | |
| 149 || (error->request_code == X_GrabKey | |
| 150 && error->error_code == BadAccess)) | |
| 151 return 0; | |
| 34 | 152 fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n", |
| 0 | 153 error->request_code, error->error_code); |
| 154 return x_error_handler(dpy, error); /* may call exit() */ | |
| 155 } | |
| 156 | |
| 157 /* | |
| 158 * Startup Error handler to check if another window manager | |
| 159 * is already running. | |
| 160 */ | |
| 161 static int | |
| 162 startup_error_handler(Display *dpy, XErrorEvent *error) | |
| 163 { | |
| 164 other_wm_running = True; | |
| 165 return -1; | |
| 166 } | |
| 167 | |
| 168 static void | |
| 169 cleanup() | |
| 170 { | |
| 14 | 171 while(clients) |
| 172 unmanage(clients); | |
| 0 | 173 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); |
| 174 } | |
| 175 | |
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176 void |
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177 quit(void *aux) |
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178 { |
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179 running = False; |
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180 } |
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181 |
| 0 | 182 int |
| 183 main(int argc, char *argv[]) | |
| 184 { | |
| 185 int i; | |
| 186 XSetWindowAttributes wa; | |
| 187 unsigned int mask; | |
| 188 Window w; | |
| 5 | 189 XEvent ev; |
| 0 | 190 |
| 191 /* command line args */ | |
| 192 for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) { | |
| 193 switch (argv[i][1]) { | |
| 194 case 'v': | |
| 195 fprintf(stdout, "%s", version); | |
| 196 exit(0); | |
| 197 break; | |
| 198 default: | |
| 199 usage(); | |
| 200 break; | |
| 201 } | |
| 202 } | |
| 203 | |
| 204 dpy = XOpenDisplay(0); | |
| 205 if(!dpy) | |
| 34 | 206 error("dwm: cannot connect X server\n"); |
| 0 | 207 |
| 208 screen = DefaultScreen(dpy); | |
| 209 root = RootWindow(dpy, screen); | |
| 210 | |
| 211 /* check if another WM is already running */ | |
| 212 other_wm_running = False; | |
| 213 XSetErrorHandler(startup_error_handler); | |
| 214 /* this causes an error if some other WM is running */ | |
| 215 XSelectInput(dpy, root, SubstructureRedirectMask); | |
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216 XFlush(dpy); |
| 0 | 217 |
| 218 if(other_wm_running) | |
| 34 | 219 error("dwm: another window manager is already running\n"); |
| 0 | 220 |
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221 sx = sy = 0; |
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222 sw = DisplayWidth(dpy, screen); |
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223 sh = DisplayHeight(dpy, screen); |
| 31 | 224 issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); |
| 0 | 225 |
| 226 XSetErrorHandler(0); | |
| 227 x_error_handler = XSetErrorHandler(error_handler); | |
| 228 | |
| 229 /* init atoms */ | |
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230 wm_atom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); |
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231 wm_atom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); |
| 0 | 232 net_atom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); |
| 233 net_atom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); | |
| 234 | |
| 235 XChangeProperty(dpy, root, net_atom[NetSupported], XA_ATOM, 32, | |
| 236 PropModeReplace, (unsigned char *) net_atom, NetLast); | |
| 237 | |
| 238 | |
| 239 /* init cursors */ | |
| 240 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); | |
| 241 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); | |
| 242 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); | |
| 243 | |
| 8 | 244 update_keys(); |
| 0 | 245 |
| 5 | 246 /* style */ |
| 43 | 247 dc.bg = initcolor(BGCOLOR); |
| 248 dc.fg = initcolor(FGCOLOR); | |
| 249 dc.border = initcolor(BORDERCOLOR); | |
| 250 initfont(FONT); | |
| 5 | 251 |
| 43 | 252 th = dc.font.height + 4; |
| 5 | 253 |
| 34 | 254 dc.drawable = XCreatePixmap(dpy, root, sw, th, DefaultDepth(dpy, screen)); |
| 255 dc.gc = XCreateGC(dpy, root, 0, 0); | |
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256 |
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257 wa.event_mask = SubstructureRedirectMask | EnterWindowMask \ |
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258 | LeaveWindowMask; |
| 0 | 259 wa.cursor = cursor[CurNormal]; |
| 260 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); | |
| 261 | |
| 5 | 262 scan_wins(); |
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263 |
| 5 | 264 while(running) { |
| 32 | 265 XNextEvent(dpy, &ev); |
| 266 if(handler[ev.type]) | |
| 267 (handler[ev.type])(&ev); /* call handler */ | |
| 5 | 268 } |
| 0 | 269 |
| 270 cleanup(); | |
| 271 XCloseDisplay(dpy); | |
| 272 | |
| 273 return 0; | |
| 274 } |