Mercurial > dwm-meillo
annotate wm.c @ 3:e969f3575b7a
several new changes, made gridmenu working
author | Anselm R. Garbe <garbeam@wmii.de> |
---|---|
date | Mon, 10 Jul 2006 19:46:24 +0200 |
parents | a79188fe4a40 |
children | e5018cae273f |
rev | line source |
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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 | |
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e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
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diff
changeset
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16 /* X structs */ |
0 | 17 Display *dpy; |
18 Window root; | |
19 XRectangle rect; | |
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e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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20 Pixmap pmap; |
0 | 21 Atom wm_atom[WMLast]; |
22 Atom net_atom[NetLast]; | |
23 Cursor cursor[CurLast]; | |
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several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
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24 |
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several new changes, made gridmenu working
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parents:
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25 int screen, sel_screen; |
0 | 26 unsigned int kmask, numlock_mask; |
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e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
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changeset
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27 |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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28 /* draw structs */ |
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
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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 } |