Mercurial > dwm-meillo
annotate wm.c @ 10:703255003abb
changed how manage client works
| author | Anselm R. Garbe <garbeam@wmii.de> |
|---|---|
| date | Tue, 11 Jul 2006 13:02:22 +0200 |
| parents | d567f430a81d |
| children | 5cc5e55a132d |
| 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 | |
|
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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; |
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d567f430a81d
fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents:
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diff
changeset
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19 Atom net_atom[NetLast]; |
| 0 | 20 Cursor cursor[CurLast]; |
| 5 | 21 XRectangle rect, barrect; |
| 22 Bool running = True; | |
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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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23 |
| 7 | 24 char *bartext, tag[256]; |
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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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25 int screen, sel_screen; |
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e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
26 |
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e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
27 Brush brush = {0}; |
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10
703255003abb
changed how manage client works
Anselm R. Garbe <garbeam@wmii.de>
parents:
9
diff
changeset
|
28 Client *clients = NULL; |
| 0 | 29 |
| 30 enum { WM_PROTOCOL_DELWIN = 1 }; | |
| 31 | |
| 32 static Bool other_wm_running; | |
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10
703255003abb
changed how manage client works
Anselm R. Garbe <garbeam@wmii.de>
parents:
9
diff
changeset
|
33 static char version[] = "gridwm - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n"; |
| 0 | 34 static int (*x_error_handler) (Display *, XErrorEvent *); |
| 35 | |
| 36 static void | |
| 37 usage() | |
| 38 { | |
| 39 fputs("usage: gridwm [-v]\n", stderr); | |
| 40 exit(1); | |
| 41 } | |
| 42 | |
| 43 static void | |
| 44 scan_wins() | |
| 45 { | |
| 46 unsigned int i, num; | |
| 47 Window *wins; | |
| 48 XWindowAttributes wa; | |
| 49 Window d1, d2; | |
| 50 | |
| 51 if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) { | |
| 52 for(i = 0; i < num; i++) { | |
| 53 if(!XGetWindowAttributes(dpy, wins[i], &wa)) | |
| 54 continue; | |
| 55 if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1)) | |
| 56 continue; | |
| 57 if(wa.map_state == IsViewable) | |
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10
703255003abb
changed how manage client works
Anselm R. Garbe <garbeam@wmii.de>
parents:
9
diff
changeset
|
58 manage(wins[i], &wa); |
| 0 | 59 } |
| 60 } | |
| 61 if(wins) | |
| 62 XFree(wins); | |
| 63 } | |
| 64 | |
| 65 /* | |
| 66 * There's no way to check accesses to destroyed windows, thus | |
| 67 * those cases are ignored (especially on UnmapNotify's). | |
| 68 * Other types of errors call Xlib's default error handler, which | |
| 69 * calls exit(). | |
| 70 */ | |
|
10
703255003abb
changed how manage client works
Anselm R. Garbe <garbeam@wmii.de>
parents:
9
diff
changeset
|
71 int |
| 0 | 72 error_handler(Display *dpy, XErrorEvent *error) |
| 73 { | |
| 74 if(error->error_code == BadWindow | |
| 75 || (error->request_code == X_SetInputFocus | |
| 76 && error->error_code == BadMatch) | |
| 77 || (error->request_code == X_PolyText8 | |
| 78 && error->error_code == BadDrawable) | |
| 79 || (error->request_code == X_PolyFillRectangle | |
| 80 && error->error_code == BadDrawable) | |
| 81 || (error->request_code == X_PolySegment | |
| 82 && error->error_code == BadDrawable) | |
| 83 || (error->request_code == X_ConfigureWindow | |
| 84 && error->error_code == BadMatch) | |
| 85 || (error->request_code == X_GrabKey | |
| 86 && error->error_code == BadAccess)) | |
| 87 return 0; | |
| 88 fprintf(stderr, "gridwm: fatal error: request code=%d, error code=%d\n", | |
| 89 error->request_code, error->error_code); | |
| 90 return x_error_handler(dpy, error); /* may call exit() */ | |
| 91 } | |
| 92 | |
| 93 /* | |
| 94 * Startup Error handler to check if another window manager | |
| 95 * is already running. | |
| 96 */ | |
| 97 static int | |
| 98 startup_error_handler(Display *dpy, XErrorEvent *error) | |
| 99 { | |
| 100 other_wm_running = True; | |
| 101 return -1; | |
| 102 } | |
| 103 | |
| 104 static void | |
| 105 cleanup() | |
| 106 { | |
| 107 /* | |
| 108 Client *c; | |
| 109 for(c=client; c; c=c->next) | |
| 110 reparent_client(c, root, c->sel->rect.x, c->sel->rect.y); | |
| 111 XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime); | |
| 112 */ | |
| 113 } | |
| 114 | |
| 115 int | |
| 116 main(int argc, char *argv[]) | |
| 117 { | |
| 118 int i; | |
| 119 XSetWindowAttributes wa; | |
| 120 unsigned int mask; | |
| 121 Window w; | |
| 5 | 122 XEvent ev; |
| 0 | 123 |
| 124 /* command line args */ | |
| 125 for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) { | |
| 126 switch (argv[i][1]) { | |
| 127 case 'v': | |
| 128 fprintf(stdout, "%s", version); | |
| 129 exit(0); | |
| 130 break; | |
| 131 default: | |
| 132 usage(); | |
| 133 break; | |
| 134 } | |
| 135 } | |
| 136 | |
| 137 dpy = XOpenDisplay(0); | |
| 138 if(!dpy) | |
| 139 error("gridwm: cannot connect X server\n"); | |
| 140 | |
| 141 screen = DefaultScreen(dpy); | |
| 142 root = RootWindow(dpy, screen); | |
| 143 | |
| 144 /* check if another WM is already running */ | |
| 145 other_wm_running = False; | |
| 146 XSetErrorHandler(startup_error_handler); | |
| 147 /* this causes an error if some other WM is running */ | |
| 148 XSelectInput(dpy, root, SubstructureRedirectMask); | |
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3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
149 XFlush(dpy); |
| 0 | 150 |
| 151 if(other_wm_running) | |
| 152 error("gridwm: another window manager is already running\n"); | |
| 153 | |
| 154 rect.x = rect.y = 0; | |
| 155 rect.width = DisplayWidth(dpy, screen); | |
| 156 rect.height = DisplayHeight(dpy, screen); | |
| 157 sel_screen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask); | |
| 158 | |
| 159 XSetErrorHandler(0); | |
| 160 x_error_handler = XSetErrorHandler(error_handler); | |
| 161 | |
| 162 /* init atoms */ | |
| 163 net_atom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False); | |
| 164 net_atom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False); | |
| 165 | |
| 166 XChangeProperty(dpy, root, net_atom[NetSupported], XA_ATOM, 32, | |
| 167 PropModeReplace, (unsigned char *) net_atom, NetLast); | |
| 168 | |
| 169 | |
| 170 /* init cursors */ | |
| 171 cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr); | |
| 172 cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing); | |
| 173 cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur); | |
| 174 | |
| 8 | 175 update_keys(); |
| 0 | 176 |
| 5 | 177 brush.drawable = XCreatePixmap(dpy, root, rect.width, rect.height, |
| 0 | 178 DefaultDepth(dpy, screen)); |
| 5 | 179 brush.gc = XCreateGC(dpy, root, 0, 0); |
| 180 | |
| 181 /* style */ | |
| 182 loadcolors(dpy, screen, &brush, BGCOLOR, FGCOLOR, BORDERCOLOR); | |
| 183 loadfont(dpy, &brush.font, FONT); | |
| 184 | |
| 185 wa.override_redirect = 1; | |
| 186 wa.background_pixmap = ParentRelative; | |
| 187 wa.event_mask = ExposureMask; | |
| 188 | |
| 189 barrect = rect; | |
| 190 barrect.height = labelheight(&brush.font); | |
| 191 barrect.y = rect.height - barrect.height; | |
| 192 barwin = XCreateWindow(dpy, root, barrect.x, barrect.y, | |
| 193 barrect.width, barrect.height, 0, DefaultDepth(dpy, screen), | |
| 194 CopyFromParent, DefaultVisual(dpy, screen), | |
| 195 CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); | |
| 7 | 196 bartext = NULL; |
| 5 | 197 XDefineCursor(dpy, barwin, cursor[CurNormal]); |
| 198 XMapRaised(dpy, barwin); | |
| 199 draw_bar(); | |
| 0 | 200 |
|
9
d567f430a81d
fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents:
8
diff
changeset
|
201 wa.event_mask = SubstructureRedirectMask | EnterWindowMask \ |
|
d567f430a81d
fixed several stuff (gridwm gets better and better)
Anselm R. Garbe <garbeam@wmii.de>
parents:
8
diff
changeset
|
202 | LeaveWindowMask; |
| 0 | 203 wa.cursor = cursor[CurNormal]; |
| 204 XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa); | |
| 205 | |
| 5 | 206 scan_wins(); |
|
3
e969f3575b7a
several new changes, made gridmenu working
Anselm R. Garbe <garbeam@wmii.de>
parents:
2
diff
changeset
|
207 |
| 5 | 208 while(running) { |
| 209 XNextEvent(dpy, &ev); | |
| 210 if(handler[ev.type]) | |
| 211 (handler[ev.type]) (&ev); /* call handler */ | |
| 212 } | |
| 0 | 213 |
| 214 cleanup(); | |
| 215 XCloseDisplay(dpy); | |
| 216 | |
| 217 return 0; | |
| 218 } |