Mercurial > aewl
annotate wm.c @ 6:e0cefb3981c8
implemented pipe_spawn
| author | Anselm R. Garbe <garbeam@wmii.de> |
|---|---|
| date | Tue, 11 Jul 2006 11:10:05 +0200 |
| parents | e5018cae273f |
| children | 49e2fc9fb94f |
| 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 | |
| 14 #include "wm.h" | |
| 15 | |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
16 /* X structs */ |
| 0 | 17 Display *dpy; |
| 5 | 18 Window root, barwin; |
| 19 Atom wm_atom[WMLast], net_atom[NetLast]; | |
| 0 | 20 Cursor cursor[CurLast]; |
| 5 | 21 XRectangle rect, barrect; |
| 22 Bool running = True; | |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
23 |
| 6 | 24 char *bartext; |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
25 int screen, sel_screen; |
| 5 | 26 unsigned int lock_mask, numlock_mask; |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
27 |
|
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
28 /* draw structs */ |
|
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
29 Brush brush = {0}; |
| 0 | 30 |
| 31 enum { WM_PROTOCOL_DELWIN = 1 }; | |
| 32 | |
| 33 static Bool other_wm_running; | |
| 34 static int (*x_error_handler) (Display *, XErrorEvent *); | |
| 35 static char version[] = "gridwm - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n"; | |
| 36 | |
| 37 static void | |
| 38 usage() | |
| 39 { | |
| 40 fputs("usage: gridwm [-v]\n", stderr); | |
| 41 exit(1); | |
| 42 } | |
| 43 | |
| 44 static void | |
| 45 scan_wins() | |
| 46 { | |
| 47 unsigned int i, num; | |
| 48 Window *wins; | |
| 49 XWindowAttributes wa; | |
| 50 Window d1, d2; | |
| 51 | |
| 52 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { | |
| 53 for(i = 0; i < num; i++) { | |
| 54 if(!XGetWindowAttributes(dpy, wins[i], &wa)) | |
| 55 continue; | |
| 56 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) | |
| 57 continue; | |
| 58 if(wa.map_state == IsViewable) | |
| 6 | 59 manage(create_client(wins[i], &wa)); |
| 0 | 60 } |
| 61 } | |
| 62 if(wins) | |
| 63 XFree(wins); | |
| 64 } | |
| 65 | |
| 66 static int | |
| 67 win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) | |
| 68 { | |
| 69 Atom real; | |
| 70 int format; | |
| 71 unsigned long res, extra; | |
| 72 int status; | |
| 73 | |
| 74 status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format, | |
| 75 &res, &extra, prop); | |
| 76 | |
| 77 if(status != Success || *prop == 0) { | |
| 78 return 0; | |
| 79 } | |
| 80 if(res == 0) { | |
| 81 free((void *) *prop); | |
| 82 } | |
| 83 return res; | |
| 84 } | |
| 85 | |
| 86 int | |
| 87 win_proto(Window w) | |
| 88 { | |
| 89 Atom *protocols; | |
| 90 long res; | |
| 91 int protos = 0; | |
| 92 int i; | |
| 93 | |
| 94 res = win_property(w, wm_atom[WMProtocols], XA_ATOM, 20L, | |
| 95 ((unsigned char **) &protocols)); | |
| 96 if(res <= 0) { | |
| 97 return protos; | |
| 98 } | |
| 99 for(i = 0; i < res; i++) { | |
| 100 if(protocols[i] == wm_atom[WMDelete]) | |
| 101 protos |= WM_PROTOCOL_DELWIN; | |
| 102 } | |
| 103 free((char *) protocols); | |
| 104 return protos; | |
| 105 } | |
| 106 | |
| 107 /* | |
| 108 * There's no way to check accesses to destroyed windows, thus | |
| 109 * those cases are ignored (especially on UnmapNotify's). | |
| 110 * Other types of errors call Xlib's default error handler, which | |
| 111 * calls exit(). | |
| 112 */ | |
| 113 static int | |
| 114 error_handler(Display *dpy, XErrorEvent *error) | |
| 115 { | |
| 116 if(error->error_code == BadWindow | |
| 117 || (error->request_code == X_SetInputFocus | |
| 118 && error->error_code == BadMatch) | |
| 119 || (error->request_code == X_PolyText8 | |
| 120 && error->error_code == BadDrawable) | |
| 121 || (error->request_code == X_PolyFillRectangle | |
| 122 && error->error_code == BadDrawable) | |
| 123 || (error->request_code == X_PolySegment | |
| 124 && error->error_code == BadDrawable) | |
| 125 || (error->request_code == X_ConfigureWindow | |
| 126 && error->error_code == BadMatch) | |
| 127 || (error->request_code == X_GrabKey | |
| 128 && error->error_code == BadAccess)) | |
| 129 return 0; | |
| 130 fprintf(stderr, "gridwm: fatal error: request code=%d, error code=%d\n", | |
| 131 error->request_code, error->error_code); | |
| 132 return x_error_handler(dpy, error); /* may call exit() */ | |
| 133 } | |
| 134 | |
| 135 /* | |
| 136 * Startup Error handler to check if another window manager | |
| 137 * is already running. | |
| 138 */ | |
| 139 static int | |
| 140 startup_error_handler(Display *dpy, XErrorEvent *error) | |
| 141 { | |
| 142 other_wm_running = True; | |
| 143 return -1; | |
| 144 } | |
| 145 | |
| 146 static void | |
| 147 init_lock_keys() | |
| 148 { | |
| 149 XModifierKeymap *modmap; | |
| 150 KeyCode numlock; | |
| 151 int i; | |
| 152 static int masks[] = { | |
| 153 ShiftMask, LockMask, ControlMask, Mod1Mask, | |
| 154 Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask | |
| 155 }; | |
| 156 | |
| 157 numlock_mask = 0; | |
| 158 modmap = XGetModifierMapping(dpy); | |
| 159 numlock = XKeysymToKeycode(dpy, XStringToKeysym("Num_Lock")); | |
| 160 | |
| 161 if(modmap && modmap->max_keypermod > 0) { | |
| 162 int max = (sizeof(masks) / sizeof(int)) * modmap->max_keypermod; | |
| 163 for(i = 0; i < max; i++) | |
| 164 if(numlock && (modmap->modifiermap[i] == numlock)) | |
| 165 numlock_mask = masks[i / modmap->max_keypermod]; | |
| 166 } | |
| 167 XFreeModifiermap(modmap); | |
| 168 | |
| 5 | 169 lock_mask = 255 & ~(numlock_mask | LockMask); |
| 0 | 170 } |
| 171 | |
| 172 static void | |
| 173 cleanup() | |
| 174 { | |
| 175 /* | |
| 176 Client *c; | |
| 177 for(c=client; c; c=c->next) | |
| 178 reparent_client(c, root, c->sel->rect.x, c->sel->rect.y); | |
| 179 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); | |
| 180 */ | |
| 181 } | |
| 182 | |
| 183 int | |
| 184 main(int argc, char *argv[]) | |
| 185 { | |
| 186 int i; | |
| 187 XSetWindowAttributes wa; | |
| 188 unsigned int mask; | |
| 189 Window w; | |
| 5 | 190 XEvent ev; |
| 0 | 191 |
| 192 /* command line args */ | |
| 193 for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) { | |
| 194 switch (argv[i][1]) { | |
| 195 case 'v': | |
| 196 fprintf(stdout, "%s", version); | |
| 197 exit(0); | |
| 198 break; | |
| 199 default: | |
| 200 usage(); | |
| 201 break; | |
| 202 } | |
| 203 } | |
| 204 | |
| 205 dpy = XOpenDisplay(0); | |
| 206 if(!dpy) | |
| 207 error("gridwm: cannot connect X server\n"); | |
| 208 | |
| 209 screen = DefaultScreen(dpy); | |
| 210 root = RootWindow(dpy, screen); | |
| 211 | |
| 212 /* check if another WM is already running */ | |
| 213 other_wm_running = False; | |
| 214 XSetErrorHandler(startup_error_handler); | |
| 215 /* this causes an error if some other WM is running */ | |
| 216 XSelectInput(dpy, root, SubstructureRedirectMask); | |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
217 XFlush(dpy); |
| 0 | 218 |
| 219 if(other_wm_running) | |
| 220 error("gridwm: another window manager is already running\n"); | |
| 221 | |
| 222 rect.x = rect.y = 0; | |
| 223 rect.width = DisplayWidth(dpy, screen); | |
| 224 rect.height = DisplayHeight(dpy, screen); | |
| 225 sel_screen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); | |
| 226 | |
| 227 XSetErrorHandler(0); | |
| 228 x_error_handler = XSetErrorHandler(error_handler); | |
| 229 | |
| 230 /* init atoms */ | |
| 231 wm_atom[WMState] = XInternAtom(dpy, "WM_STATE", False); | |
| 232 wm_atom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); | |
| 233 wm_atom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); | |
| 234 net_atom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); | |
| 235 net_atom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); | |
| 236 | |
| 237 XChangeProperty(dpy, root, net_atom[NetSupported], XA_ATOM, 32, | |
| 238 PropModeReplace, (unsigned char *) net_atom, NetLast); | |
| 239 | |
| 240 | |
| 241 /* init cursors */ | |
| 242 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); | |
| 243 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); | |
| 244 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); | |
| 245 | |
| 246 init_lock_keys(); | |
| 247 | |
| 5 | 248 brush.drawable = XCreatePixmap(dpy, root, rect.width, rect.height, |
| 0 | 249 DefaultDepth(dpy, screen)); |
| 5 | 250 brush.gc = XCreateGC(dpy, root, 0, 0); |
| 251 | |
| 252 /* style */ | |
| 253 loadcolors(dpy, screen, &brush, BGCOLOR, FGCOLOR, BORDERCOLOR); | |
| 254 loadfont(dpy, &brush.font, FONT); | |
| 255 | |
| 256 wa.override_redirect = 1; | |
| 257 wa.background_pixmap = ParentRelative; | |
| 258 wa.event_mask = ExposureMask; | |
| 259 | |
| 260 barrect = rect; | |
| 261 barrect.height = labelheight(&brush.font); | |
| 262 barrect.y = rect.height - barrect.height; | |
| 263 barwin = XCreateWindow(dpy, root, barrect.x, barrect.y, | |
| 264 barrect.width, barrect.height, 0, DefaultDepth(dpy, screen), | |
| 265 CopyFromParent, DefaultVisual(dpy, screen), | |
| 266 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); | |
| 267 bartext = 0; | |
| 268 XDefineCursor(dpy, barwin, cursor[CurNormal]); | |
| 269 XMapRaised(dpy, barwin); | |
| 270 draw_bar(); | |
| 0 | 271 |
| 272 wa.event_mask = SubstructureRedirectMask | EnterWindowMask | LeaveWindowMask; | |
| 273 wa.cursor = cursor[CurNormal]; | |
| 274 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); | |
| 275 | |
| 5 | 276 scan_wins(); |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
277 |
| 5 | 278 while(running) { |
| 279 XNextEvent(dpy, &ev); | |
| 280 if(handler[ev.type]) | |
| 281 (handler[ev.type]) (&ev); /* call handler */ | |
| 282 } | |
| 0 | 283 |
| 284 cleanup(); | |
| 285 XCloseDisplay(dpy); | |
| 286 | |
| 287 return 0; | |
| 288 } |