X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/c47da143bdf5b4e3924a411f42648d4b3e86ff00..f6e41b0bc3a00a2c48a996e2da4ad84be9a719f7:/main.c
diff --git a/main.c b/main.c
index 543d156..d72f13d 100644
--- a/main.c
+++ b/main.c
@@ -1,68 +1,126 @@
-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-
-#include <stdarg.h>
+/* See LICENSE file for copyright and license details. */
+#include "dwm.h"
+#include <errno.h>
+#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
-
+#include <string.h>
+#include <unistd.h>
+#include <sys/select.h>
#include <X11/cursorfont.h>
+#include <X11/keysym.h>
#include <X11/Xatom.h>
#include <X11/Xproto.h>
-#include "dwm.h"
-
-/********** CUSTOMIZE **********/
-
-char *tags[TLast] = {
- [Tscratch] = "scratch",
- [Tdev] = "dev",
- [Tirc] = "irc",
- [Twww] = "www",
- [Twork] = "work",
-};
-
-/********** CUSTOMIZE **********/
-
-/* X structs */
+/* extern */
+
+char stext[256];
+int screen, sx, sy, sw, sh, wax, way, waw, wah;
+unsigned int bh, ntags;
+unsigned int bpos = BARPOS;
+unsigned int numlockmask = 0;
+Atom wmatom[WMLast], netatom[NetLast];
+Bool *seltag;
+Bool selscreen = True;
+Client *clients = NULL;
+Client *sel = NULL;
+Client *stack = NULL;
+Cursor cursor[CurLast];
Display *dpy;
+DC dc = {0};
Window root, barwin;
-Atom wm_atom[WMLast], net_atom[NetLast];
-Cursor cursor[CurLast];
-Bool running = True;
-Bool issel;
-char stext[1024];
-int tsel = Tdev; /* default tag */
-int screen, sx, sy, sw, sh, th;
+/* static */
-DC dc = {0};
-Client *cstart = NULL;
-Client *cend = NULL;
-Client *csel = NULL;
+static int (*xerrorxlib)(Display *, XErrorEvent *);
+static Bool otherwm, readin;
+static Bool running = True;
+
+static void
+cleanup(void) {
+ close(STDIN_FILENO);
+ while(stack) {
+ unban(stack);
+ unmanage(stack);
+ }
+ if(dc.font.set)
+ XFreeFontSet(dpy, dc.font.set);
+ else
+ XFreeFont(dpy, dc.font.xfont);
+ XUngrabKey(dpy, AnyKey, AnyModifier, root);
+ XFreePixmap(dpy, dc.drawable);
+ XFreeGC(dpy, dc.gc);
+ XDestroyWindow(dpy, barwin);
+ XFreeCursor(dpy, cursor[CurNormal]);
+ XFreeCursor(dpy, cursor[CurResize]);
+ XFreeCursor(dpy, cursor[CurMove]);
+ XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
+ XSync(dpy, False);
+ free(seltag);
+}
-static Bool other_wm_running;
-static const char version[] =
- "dwm - " VERSION ", (C)opyright MMVI Anselm R. Garbe\n";
-static int (*x_error_handler) (Display *, XErrorEvent *);
+static unsigned long
+initcolor(const char *colstr) {
+ Colormap cmap = DefaultColormap(dpy, screen);
+ XColor color;
+
+ if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+ eprint("error, cannot allocate color '%s'\n", colstr);
+ return color.pixel;
+}
static void
-usage() { error("usage: dwm [-v]\n"); }
+initfont(const char *fontstr) {
+ char *def, **missing;
+ int i, n;
+
+ missing = NULL;
+ if(dc.font.set)
+ XFreeFontSet(dpy, dc.font.set);
+ dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+ if(missing) {
+ while(n--)
+ fprintf(stderr, "dwm: missing fontset: %s\n", missing[n]);
+ XFreeStringList(missing);
+ }
+ if(dc.font.set) {
+ XFontSetExtents *font_extents;
+ XFontStruct **xfonts;
+ char **font_names;
+ dc.font.ascent = dc.font.descent = 0;
+ font_extents = XExtentsOfFontSet(dc.font.set);
+ n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+ for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
+ if(dc.font.ascent < (*xfonts)->ascent)
+ dc.font.ascent = (*xfonts)->ascent;
+ if(dc.font.descent < (*xfonts)->descent)
+ dc.font.descent = (*xfonts)->descent;
+ xfonts++;
+ }
+ }
+ else {
+ if(dc.font.xfont)
+ XFreeFont(dpy, dc.font.xfont);
+ dc.font.xfont = NULL;
+ if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
+ eprint("error, cannot load font: '%s'\n", fontstr);
+ dc.font.ascent = dc.font.xfont->ascent;
+ dc.font.descent = dc.font.xfont->descent;
+ }
+ dc.font.height = dc.font.ascent + dc.font.descent;
+}
static void
-scan_wins()
-{
+scan(void) {
unsigned int i, num;
- Window *wins;
+ Window *wins, d1, d2;
XWindowAttributes wa;
- Window d1, d2;
+ wins = NULL;
if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
for(i = 0; i < num; i++) {
- if(!XGetWindowAttributes(dpy, wins[i], &wa))
- continue;
- if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
+ if(!XGetWindowAttributes(dpy, wins[i], &wa)
+ || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
continue;
if(wa.map_state == IsViewable)
manage(wins[i], &wa);
@@ -72,87 +130,79 @@ scan_wins()
XFree(wins);
}
-static int
-win_property(Window w, Atom a, Atom t, long l, unsigned char **prop)
-{
- Atom real;
- int format;
- unsigned long res, extra;
- int status;
-
- status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format,
- &res, &extra, prop);
-
- if(status != Success || *prop == 0) {
- return 0;
- }
- if(res == 0) {
- free((void *) *prop);
- }
- return res;
-}
-
-int
-win_proto(Window w)
-{
- unsigned char *protocols;
- long res;
- int protos = 0;
- int i;
-
- res = win_property(w, wm_atom[WMProtocols], XA_ATOM, 20L, &protocols);
- if(res <= 0) {
- return protos;
- }
- for(i = 0; i < res; i++) {
- if(protocols[i] == wm_atom[WMDelete])
- protos |= WM_PROTOCOL_DELWIN;
- }
- free((char *) protocols);
- return protos;
-}
-
-void
-send_message(Window w, Atom a, long value)
-{
- XEvent e;
-
- e.type = ClientMessage;
- e.xclient.window = w;
- e.xclient.message_type = a;
- e.xclient.format = 32;
- e.xclient.data.l[0] = value;
- e.xclient.data.l[1] = CurrentTime;
- XSendEvent(dpy, w, False, NoEventMask, &e);
- XFlush(dpy);
-}
+static void
+setup(void) {
+ int i, j;
+ unsigned int mask;
+ Window w;
+ XModifierKeymap *modmap;
+ XSetWindowAttributes wa;
-/*
- * There's no way to check accesses to destroyed windows, thus
- * those cases are ignored (especially on UnmapNotify's).
- * Other types of errors call Xlib's default error handler, which
- * calls exit().
- */
-int
-error_handler(Display *dpy, XErrorEvent *error)
-{
- if(error->error_code == BadWindow
- || (error->request_code == X_SetInputFocus
- && error->error_code == BadMatch)
- || (error->request_code == X_PolyText8
- && error->error_code == BadDrawable)
- || (error->request_code == X_PolyFillRectangle
- && error->error_code == BadDrawable)
- || (error->request_code == X_PolySegment
- && error->error_code == BadDrawable)
- || (error->request_code == X_ConfigureWindow
- && error->error_code == BadMatch)
- || (error->request_code == X_GrabKey
- && error->error_code == BadAccess))
- return 0;
- fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
- error->request_code, error->error_code);
- return x_error_handler(dpy, error); /* may call exit() */
+ /* init atoms */
+ wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
+ wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
+ wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
+ netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
+ netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
+ XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
+ PropModeReplace, (unsigned char *) netatom, NetLast);
+ /* init cursors */
+ cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
+ cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
+ cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
+ /* init modifier map */
+ modmap = XGetModifierMapping(dpy);
+ for (i = 0; i < 8; i++)
+ for (j = 0; j < modmap->max_keypermod; j++) {
+ if(modmap->modifiermap[i * modmap->max_keypermod + j]
+ == XKeysymToKeycode(dpy, XK_Num_Lock))
+ numlockmask = (1 << i);
+ }
+ XFreeModifiermap(modmap);
+ /* select for events */
+ wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
+ | EnterWindowMask | LeaveWindowMask | StructureNotifyMask;
+ wa.cursor = cursor[CurNormal];
+ XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
+ XSelectInput(dpy, root, wa.event_mask);
+ grabkeys();
+ compileregs();
+ for(ntags = 0; tags[ntags]; ntags++);
+ seltag = emallocz(sizeof(Bool) * ntags);
+ seltag[0] = True;
+ /* style */
+ dc.norm[ColBorder] = initcolor(NORMBORDERCOLOR);
+ dc.norm[ColBG] = initcolor(NORMBGCOLOR);
+ dc.norm[ColFG] = initcolor(NORMFGCOLOR);
+ dc.sel[ColBorder] = initcolor(SELBORDERCOLOR);
+ dc.sel[ColBG] = initcolor(SELBGCOLOR);
+ dc.sel[ColFG] = initcolor(SELFGCOLOR);
+ initfont(FONT);
+ /* geometry */
+ sx = sy = 0;
+ sw = DisplayWidth(dpy, screen);
+ sh = DisplayHeight(dpy, screen);
+ initlayouts();
+ /* bar */
+ dc.h = bh = dc.font.height + 2;
+ wa.override_redirect = 1;
+ wa.background_pixmap = ParentRelative;
+ wa.event_mask = ButtonPressMask | ExposureMask;
+ barwin = XCreateWindow(dpy, root, sx, sy, sw, bh, 0,
+ DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen),
+ CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
+ XDefineCursor(dpy, barwin, cursor[CurNormal]);
+ updatebarpos();
+ XMapRaised(dpy, barwin);
+ strcpy(stext, "dwm-"VERSION);
+ /* pixmap for everything */
+ dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
+ dc.gc = XCreateGC(dpy, root, 0, 0);
+ XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
+ if(!dc.font.set)
+ XSetFont(dpy, dc.gc, dc.font.xfont->fid);
+ /* multihead support */
+ selscreen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
}
/*
@@ -160,116 +210,136 @@ error_handler(Display *dpy, XErrorEvent *error)
* is already running.
*/
static int
-startup_error_handler(Display *dpy, XErrorEvent *error)
-{
- other_wm_running = True;
+xerrorstart(Display *dsply, XErrorEvent *ee) {
+ otherwm = True;
return -1;
}
-static void
-cleanup()
-{
- while(csel)
- unmanage(csel);
- XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
-}
+/* extern */
void
-quit(Arg *arg)
-{
- running = False;
+quit(const char *arg) {
+ readin = running = False;
}
-int
-main(int argc, char *argv[])
-{
- int i;
- XSetWindowAttributes wa;
- unsigned int mask;
- Window w;
+void
+updatebarpos(void) {
XEvent ev;
- /* command line args */
- for(i = 1; (i < argc) && (argv[i][0] == '-'); i++) {
- switch (argv[i][1]) {
- case 'v':
- fprintf(stdout, "%s", version);
- exit(0);
- break;
- default:
- usage();
- break;
- }
+ wax = sx;
+ way = sy;
+ wah = sh;
+ waw = sw;
+ switch(bpos) {
+ default:
+ wah -= bh;
+ way += bh;
+ XMoveWindow(dpy, barwin, sx, sy);
+ break;
+ case BarBot:
+ wah -= bh;
+ XMoveWindow(dpy, barwin, sx, sy + wah);
+ break;
+ case BarOff:
+ XMoveWindow(dpy, barwin, sx, sy - bh);
+ break;
}
+ XSync(dpy, False);
+ while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
- dpy = XOpenDisplay(0);
- if(!dpy)
- error("dwm: cannot connect X server\n");
+/* There's no way to check accesses to destroyed windows, thus those cases are
+ * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
+ * default error handler, which may call exit.
+ */
+int
+xerror(Display *dpy, XErrorEvent *ee) {
+ if(ee->error_code == BadWindow
+ || (ee->request_code == X_SetInputFocus && ee->error_code == BadMatch)
+ || (ee->request_code == X_PolyText8 && ee->error_code == BadDrawable)
+ || (ee->request_code == X_PolyFillRectangle && ee->error_code == BadDrawable)
+ || (ee->request_code == X_PolySegment && ee->error_code == BadDrawable)
+ || (ee->request_code == X_ConfigureWindow && ee->error_code == BadMatch)
+ || (ee->request_code == X_GrabKey && ee->error_code == BadAccess)
+ || (ee->request_code == X_CopyArea && ee->error_code == BadDrawable))
+ return 0;
+ fprintf(stderr, "dwm: fatal error: request code=%d, error code=%d\n",
+ ee->request_code, ee->error_code);
+ return xerrorxlib(dpy, ee); /* may call exit */
+}
+int
+main(int argc, char *argv[]) {
+ char *p;
+ int r, xfd;
+ fd_set rd;
+ XEvent ev;
+
+ if(argc == 2 && !strcmp("-v", argv[1]))
+ eprint("dwm-"VERSION", © 2006-2007 A. R. Garbe, S. van Dijk, J. Salmi, P. Hruby, S. Nagy\n");
+ else if(argc != 1)
+ eprint("usage: dwm [-v]\n");
+ setlocale(LC_CTYPE, "");
+ if(!(dpy = XOpenDisplay(0)))
+ eprint("dwm: cannot open display\n");
+ xfd = ConnectionNumber(dpy);
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
-
- /* check if another WM is already running */
- other_wm_running = False;
- XSetErrorHandler(startup_error_handler);
- /* this causes an error if some other WM is running */
+ otherwm = False;
+ XSetErrorHandler(xerrorstart);
+ /* this causes an error if some other window manager is running */
XSelectInput(dpy, root, SubstructureRedirectMask);
- XFlush(dpy);
-
- if(other_wm_running)
- error("dwm: another window manager is already running\n");
-
- sx = sy = 0;
- sw = DisplayWidth(dpy, screen);
- sh = DisplayHeight(dpy, screen);
- issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
-
- XSetErrorHandler(0);
- x_error_handler = XSetErrorHandler(error_handler);
-
- /* init atoms */
- wm_atom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
- wm_atom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
- net_atom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
- net_atom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
-
- XChangeProperty(dpy, root, net_atom[NetSupported], XA_ATOM, 32,
- PropModeReplace, (unsigned char *) net_atom, NetLast);
-
-
- /* init cursors */
- cursor[CurNormal] = XCreateFontCursor(dpy, XC_left_ptr);
- cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
- cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
-
- update_keys();
-
- /* style */
- dc.bg = initcolor(BGCOLOR);
- dc.fg = initcolor(FGCOLOR);
- dc.border = initcolor(BORDERCOLOR);
- initfont(FONT);
-
- th = dc.font.height + 4;
-
- dc.drawable = XCreatePixmap(dpy, root, sw, th, DefaultDepth(dpy, screen));
- dc.gc = XCreateGC(dpy, root, 0, 0);
-
- wa.event_mask = SubstructureRedirectMask | EnterWindowMask \
- | LeaveWindowMask;
- wa.cursor = cursor[CurNormal];
- XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
-
- scan_wins();
-
+ XSync(dpy, False);
+ if(otherwm)
+ eprint("dwm: another window manager is already running\n");
+
+ XSync(dpy, False);
+ XSetErrorHandler(NULL);
+ xerrorxlib = XSetErrorHandler(xerror);
+ XSync(dpy, False);
+ setup();
+ drawstatus();
+ scan();
+
+ /* main event loop, also reads status text from stdin */
+ XSync(dpy, False);
+ readin = True;
while(running) {
- XNextEvent(dpy, &ev);
- if(handler[ev.type])
- (handler[ev.type])(&ev); /* call handler */
+ FD_ZERO(&rd);
+ if(readin)
+ FD_SET(STDIN_FILENO, &rd);
+ FD_SET(xfd, &rd);
+ if(select(xfd + 1, &rd, NULL, NULL, NULL) == -1) {
+ if(errno == EINTR)
+ continue;
+ eprint("select failed\n");
+ }
+ if(FD_ISSET(STDIN_FILENO, &rd)) {
+ switch(r = read(STDIN_FILENO, stext, sizeof stext - 1)) {
+ case -1:
+ strncpy(stext, strerror(errno), sizeof stext - 1);
+ stext[sizeof stext - 1] = '\0';
+ readin = False;
+ break;
+ case 0:
+ strncpy(stext, "EOF", 4);
+ readin = False;
+ break;
+ default:
+ for(stext[r] = '\0', p = stext + strlen(stext) - 1; p >= stext && *p == '\n'; *p-- = '\0');
+ for(; p >= stext && *p != '\n'; --p);
+ if(p > stext)
+ strncpy(stext, p + 1, sizeof stext);
+ }
+ drawstatus();
+ }
+ while(XPending(dpy)) {
+ XNextEvent(dpy, &ev);
+ if(handler[ev.type])
+ (handler[ev.type])(&ev); /* call handler */
+ }
}
-
cleanup();
XCloseDisplay(dpy);
-
return 0;
}