author | Anselm R. Garbe <garbeam@wmii.de> |
Tue, 11 Jul 2006 21:24:10 +0200 | |
changeset 18 | 1efa34c6e1b6 |
parent 16 | 359b6e563b95 |
child 21 | 3ef108a5ca0a |
permissions | -rw-r--r-- |
0 | 1 |
/* |
2 |
* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com> |
|
3 |
* See LICENSE file for license details. |
|
4 |
*/ |
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14 | 6 |
#include <errno.h> |
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#include <stdarg.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <sys/types.h> |
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#include <sys/time.h> |
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#include <X11/cursorfont.h> |
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#include <X11/Xatom.h> |
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17 |
#include <X11/Xproto.h> |
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18 |
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19 |
#include "wm.h" |
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/* X structs */ |
0 | 22 |
Display *dpy; |
5 | 23 |
Window root, barwin; |
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Atom wm_atom[WMLast], net_atom[NetLast]; |
0 | 25 |
Cursor cursor[CurLast]; |
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XRectangle rect, barrect; |
27 |
Bool running = True; |
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Bool sel_screen; |
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char statustext[1024], tag[256]; |
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int screen; |
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Brush brush = {0}; |
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Client *clients = NULL; |
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Client *stack = NULL; |
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37 |
static Bool other_wm_running; |
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38 |
static const char version[] = "gridwm - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n"; |
0 | 39 |
static int (*x_error_handler) (Display *, XErrorEvent *); |
40 |
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41 |
static const char *status[] = { |
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42 |
"sh", "-c", "echo -n `date '+%Y/%m/%d %H:%M'`" |
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" `uptime | sed 's/.*://; s/,//g'`" |
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44 |
" `acpi | awk '{print $4}' | sed 's/,//'`", 0 |
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45 |
}; |
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46 |
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0 | 47 |
static void |
48 |
usage() |
|
49 |
{ |
|
50 |
fputs("usage: gridwm [-v]\n", stderr); |
|
51 |
exit(1); |
|
52 |
} |
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53 |
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54 |
static void |
|
55 |
scan_wins() |
|
56 |
{ |
|
57 |
unsigned int i, num; |
|
58 |
Window *wins; |
|
59 |
XWindowAttributes wa; |
|
60 |
Window d1, d2; |
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61 |
||
62 |
if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { |
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63 |
for(i = 0; i < num; i++) { |
|
64 |
if(!XGetWindowAttributes(dpy, wins[i], &wa)) |
|
65 |
continue; |
|
66 |
if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) |
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67 |
continue; |
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68 |
if(wa.map_state == IsViewable) |
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manage(wins[i], &wa); |
0 | 70 |
} |
71 |
} |
|
72 |
if(wins) |
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73 |
XFree(wins); |
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74 |
} |
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75 |
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static int |
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77 |
win_property(Window w, Atom a, Atom t, long l, unsigned char **prop) |
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{ |
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Atom real; |
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int format; |
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unsigned long res, extra; |
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int status; |
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status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format, |
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&res, &extra, prop); |
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if(status != Success || *prop == 0) { |
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return 0; |
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} |
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if(res == 0) { |
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free((void *) *prop); |
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} |
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return res; |
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} |
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|
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int |
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win_proto(Window w) |
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{ |
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Atom *protocols; |
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long res; |
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int protos = 0; |
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int i; |
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103 |
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res = win_property(w, wm_atom[WMProtocols], XA_ATOM, 20L, |
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((unsigned char **) &protocols)); |
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if(res <= 0) { |
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return protos; |
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} |
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for(i = 0; i < res; i++) { |
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if(protocols[i] == wm_atom[WMDelete]) |
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protos |= WM_PROTOCOL_DELWIN; |
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112 |
} |
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free((char *) protocols); |
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114 |
return protos; |
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115 |
} |
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116 |
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117 |
void |
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118 |
send_message(Window w, Atom a, long value) |
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{ |
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120 |
XEvent e; |
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121 |
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122 |
e.type = ClientMessage; |
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123 |
e.xclient.window = w; |
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124 |
e.xclient.message_type = a; |
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125 |
e.xclient.format = 32; |
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126 |
e.xclient.data.l[0] = value; |
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127 |
e.xclient.data.l[1] = CurrentTime; |
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128 |
XSendEvent(dpy, w, False, NoEventMask, &e); |
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129 |
XFlush(dpy); |
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130 |
} |
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131 |
|
0 | 132 |
/* |
133 |
* There's no way to check accesses to destroyed windows, thus |
|
134 |
* those cases are ignored (especially on UnmapNotify's). |
|
135 |
* Other types of errors call Xlib's default error handler, which |
|
136 |
* calls exit(). |
|
137 |
*/ |
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138 |
int |
0 | 139 |
error_handler(Display *dpy, XErrorEvent *error) |
140 |
{ |
|
141 |
if(error->error_code == BadWindow |
|
142 |
|| (error->request_code == X_SetInputFocus |
|
143 |
&& error->error_code == BadMatch) |
|
144 |
|| (error->request_code == X_PolyText8 |
|
145 |
&& error->error_code == BadDrawable) |
|
146 |
|| (error->request_code == X_PolyFillRectangle |
|
147 |
&& error->error_code == BadDrawable) |
|
148 |
|| (error->request_code == X_PolySegment |
|
149 |
&& error->error_code == BadDrawable) |
|
150 |
|| (error->request_code == X_ConfigureWindow |
|
151 |
&& error->error_code == BadMatch) |
|
152 |
|| (error->request_code == X_GrabKey |
|
153 |
&& error->error_code == BadAccess)) |
|
154 |
return 0; |
|
155 |
fprintf(stderr, "gridwm: fatal error: request code=%d, error code=%d\n", |
|
156 |
error->request_code, error->error_code); |
|
157 |
return x_error_handler(dpy, error); /* may call exit() */ |
|
158 |
} |
|
159 |
||
160 |
/* |
|
161 |
* Startup Error handler to check if another window manager |
|
162 |
* is already running. |
|
163 |
*/ |
|
164 |
static int |
|
165 |
startup_error_handler(Display *dpy, XErrorEvent *error) |
|
166 |
{ |
|
167 |
other_wm_running = True; |
|
168 |
return -1; |
|
169 |
} |
|
170 |
||
171 |
static void |
|
172 |
cleanup() |
|
173 |
{ |
|
14 | 174 |
while(clients) |
175 |
unmanage(clients); |
|
0 | 176 |
XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); |
177 |
} |
|
178 |
||
179 |
int |
|
180 |
main(int argc, char *argv[]) |
|
181 |
{ |
|
182 |
int i; |
|
183 |
XSetWindowAttributes wa; |
|
184 |
unsigned int mask; |
|
185 |
Window w; |
|
5 | 186 |
XEvent ev; |
14 | 187 |
fd_set fds; |
188 |
struct timeval t, timeout = { |
|
189 |
.tv_usec = 0, |
|
190 |
.tv_sec = STATUSDELAY, |
|
191 |
}; |
|
0 | 192 |
|
193 |
/* command line args */ |
|
194 |
for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) { |
|
195 |
switch (argv[i][1]) { |
|
196 |
case 'v': |
|
197 |
fprintf(stdout, "%s", version); |
|
198 |
exit(0); |
|
199 |
break; |
|
200 |
default: |
|
201 |
usage(); |
|
202 |
break; |
|
203 |
} |
|
204 |
} |
|
205 |
||
206 |
dpy = XOpenDisplay(0); |
|
207 |
if(!dpy) |
|
208 |
error("gridwm: cannot connect X server\n"); |
|
209 |
||
210 |
screen = DefaultScreen(dpy); |
|
211 |
root = RootWindow(dpy, screen); |
|
212 |
||
213 |
/* check if another WM is already running */ |
|
214 |
other_wm_running = False; |
|
215 |
XSetErrorHandler(startup_error_handler); |
|
216 |
/* this causes an error if some other WM is running */ |
|
217 |
XSelectInput(dpy, root, SubstructureRedirectMask); |
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218 |
XFlush(dpy); |
0 | 219 |
|
220 |
if(other_wm_running) |
|
221 |
error("gridwm: another window manager is already running\n"); |
|
222 |
||
223 |
rect.x = rect.y = 0; |
|
224 |
rect.width = DisplayWidth(dpy, screen); |
|
225 |
rect.height = DisplayHeight(dpy, screen); |
|
226 |
sel_screen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); |
|
227 |
||
228 |
XSetErrorHandler(0); |
|
229 |
x_error_handler = XSetErrorHandler(error_handler); |
|
230 |
||
231 |
/* init atoms */ |
|
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232 |
wm_atom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); |
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233 |
wm_atom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); |
0 | 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 |
||
8 | 246 |
update_keys(); |
0 | 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 |
XDefineCursor(dpy, barwin, cursor[CurNormal]); |
|
268 |
XMapRaised(dpy, barwin); |
|
16
359b6e563b95
several changes, new stuff
Anselm R. Garbe <garbeam@wmii.de>
parents:
14
diff
changeset
|
269 |
pipe_spawn(statustext, sizeof(statustext), dpy, (char **)status); |
5 | 270 |
draw_bar(); |
0 | 271 |
|
9
d567f430a81d
fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents:
8
diff
changeset
|
272 |
wa.event_mask = SubstructureRedirectMask | EnterWindowMask \ |
d567f430a81d
fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents:
8
diff
changeset
|
273 |
| LeaveWindowMask; |
0 | 274 |
wa.cursor = cursor[CurNormal]; |
275 |
XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); |
|
276 |
||
5 | 277 |
scan_wins(); |
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
278 |
|
5 | 279 |
while(running) { |
14 | 280 |
if(XPending(dpy) > 0) { |
281 |
XNextEvent(dpy, &ev); |
|
282 |
if(handler[ev.type]) |
|
283 |
(handler[ev.type]) (&ev); /* call handler */ |
|
284 |
continue; |
|
285 |
} |
|
286 |
FD_ZERO(&fds); |
|
287 |
FD_SET(ConnectionNumber(dpy), &fds); |
|
288 |
t = timeout; |
|
289 |
if(select(ConnectionNumber(dpy) + 1, &fds, NULL, NULL, &t) > 0) |
|
290 |
continue; |
|
16
359b6e563b95
several changes, new stuff
Anselm R. Garbe <garbeam@wmii.de>
parents:
14
diff
changeset
|
291 |
else if(errno != EINTR) { |
359b6e563b95
several changes, new stuff
Anselm R. Garbe <garbeam@wmii.de>
parents:
14
diff
changeset
|
292 |
pipe_spawn(statustext, sizeof(statustext), dpy, (char **)status); |
14 | 293 |
draw_bar(); |
16
359b6e563b95
several changes, new stuff
Anselm R. Garbe <garbeam@wmii.de>
parents:
14
diff
changeset
|
294 |
} |
5 | 295 |
} |
0 | 296 |
|
297 |
cleanup(); |
|
298 |
XCloseDisplay(dpy); |
|
299 |
||
300 |
return 0; |
|
301 |
} |