author | Anselm R. Garbe <garbeam@wmii.de> |
Mon, 10 Jul 2006 19:46:24 +0200 | |
changeset 3 | e969f3575b7a |
parent 2 | a79188fe4a40 |
child 5 | e5018cae273f |
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 |
*/ |
|
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; |
18 |
Window root; |
|
19 |
XRectangle rect; |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
20 |
Pixmap pmap; |
0 | 21 |
Atom wm_atom[WMLast]; |
22 |
Atom net_atom[NetLast]; |
|
23 |
Cursor cursor[CurLast]; |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
24 |
|
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
25 |
int screen, sel_screen; |
0 | 26 |
unsigned int kmask, 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) |
|
59 |
/*manage*/; |
|
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 |
||
169 |
kmask = 255 & ~(numlock_mask | LockMask); |
|
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; |
|
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) |
|
206 |
error("gridwm: cannot connect X server\n"); |
|
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); |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
216 |
XFlush(dpy); |
0 | 217 |
|
218 |
if(other_wm_running) |
|
219 |
error("gridwm: another window manager is already running\n"); |
|
220 |
||
221 |
rect.x = rect.y = 0; |
|
222 |
rect.width = DisplayWidth(dpy, screen); |
|
223 |
rect.height = DisplayHeight(dpy, screen); |
|
224 |
sel_screen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); |
|
225 |
||
226 |
XSetErrorHandler(0); |
|
227 |
x_error_handler = XSetErrorHandler(error_handler); |
|
228 |
||
229 |
/* init atoms */ |
|
230 |
wm_atom[WMState] = XInternAtom(dpy, "WM_STATE", False); |
|
231 |
wm_atom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False); |
|
232 |
wm_atom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False); |
|
233 |
net_atom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); |
|
234 |
net_atom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); |
|
235 |
||
236 |
XChangeProperty(dpy, root, net_atom[NetSupported], XA_ATOM, 32, |
|
237 |
PropModeReplace, (unsigned char *) net_atom, NetLast); |
|
238 |
||
239 |
||
240 |
/* init cursors */ |
|
241 |
cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); |
|
242 |
cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); |
|
243 |
cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); |
|
244 |
||
245 |
init_lock_keys(); |
|
246 |
||
247 |
pmap = XCreatePixmap(dpy, root, rect.width, rect.height, |
|
248 |
DefaultDepth(dpy, screen)); |
|
249 |
||
250 |
wa.event_mask = SubstructureRedirectMask | EnterWindowMask | LeaveWindowMask; |
|
251 |
wa.cursor = cursor[CurNormal]; |
|
252 |
XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); |
|
253 |
||
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
254 |
/* style */ |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
255 |
loadcolors(dpy, screen, &brush, BGCOLOR, FGCOLOR, BORDERCOLOR); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
256 |
loadfont(dpy, &brush.font, FONT); |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
257 |
|
0 | 258 |
scan_wins(); |
259 |
||
260 |
cleanup(); |
|
261 |
XCloseDisplay(dpy); |
|
262 |
||
263 |
return 0; |
|
264 |
} |