X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/7fe717c29f9dafc4fc38313adbbb7c85619dec69..00255728aae0dcbb657e8a4e145515c673b546a4:/main.c
diff --git a/main.c b/main.c
index 7b150f6..5efe599 100644
--- a/main.c
+++ b/main.c
@@ -3,58 +3,38 @@
* See LICENSE file for license details.
*/
-#include <stdarg.h>
+#include "dwm.h"
+#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
-
+#include <string.h>
+#include <unistd.h>
+#include <sys/select.h>
#include <X11/cursorfont.h>
#include <X11/Xatom.h>
#include <X11/Xproto.h>
-#include "dwm.h"
-
-/********** CUSTOMIZE **********/
+/* static */
-char *tags[TLast] = {
- [Tscratch] = "scratch",
- [Tdev] = "dev",
- [Tirc] = "irc",
- [Twww] = "www",
- [Twork] = "work",
-};
-
-/********** CUSTOMIZE **********/
-
-/* X structs */
-Display *dpy;
-Window root, barwin;
-Atom wm_atom[WMLast], net_atom[NetLast];
-Cursor cursor[CurLast];
-Bool running = True;
-Bool issel;
-
-int tsel = Tdev; /* default tag */
-int screen, sx, sy, sw, sh, mw, th;
-
-DC dc = {0};
-Client *clients = NULL;
-Client *sel = NULL;
-
-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 int (*xerrorxlib)(Display *, XErrorEvent *);
+static Bool otherwm;
static void
-usage() { error("usage: dwm [-v]\n"); }
+cleanup()
+{
+ while(sel) {
+ resize(sel, True, TopLeft);
+ unmanage(sel);
+ }
+ XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
+}
static void
-scan_wins()
+scan()
{
unsigned int i, num;
- Window *wins;
+ Window *wins, d1, d2;
XWindowAttributes wa;
- Window d1, d2;
if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
for(i = 0; i < num; i++) {
@@ -73,10 +53,9 @@ scan_wins()
static int
win_property(Window w, Atom a, Atom t, long l, unsigned char **prop)
{
- Atom real;
- int format;
+ int status, format;
unsigned long res, extra;
- int status;
+ Atom real;
status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format,
&res, &extra, prop);
@@ -90,28 +69,56 @@ win_property(Window w, Atom a, Atom t, long l, unsigned char **prop)
return res;
}
+/*
+ * Startup Error handler to check if another window manager
+ * is already running.
+ */
+static int
+xerrorstart(Display *dsply, XErrorEvent *ee)
+{
+ otherwm = True;
+ return -1;
+}
+
+/* extern */
+
+char stext[1024];
+int tsel = DEFTAG;
+int screen, sx, sy, sw, sh, bx, by, bw, bh, mw;
+unsigned int ntags;
+Atom wmatom[WMLast], netatom[NetLast];
+Bool running = True;
+Bool issel = True;
+Client *clients = NULL;
+Client *sel = NULL;
+Cursor cursor[CurLast];
+Display *dpy;
+DC dc = {0};
+Window root, barwin;
+
int
-win_proto(Window w)
+getproto(Window w)
{
- unsigned char *protocols;
- long res;
int protos = 0;
int i;
+ long res;
+ Atom *protocols;
- res = win_property(w, wm_atom[WMProtocols], XA_ATOM, 20L, &protocols);
+ res = win_property(w, wmatom[WMProtocols], XA_ATOM, 20L,
+ ((unsigned char **)&protocols));
if(res <= 0) {
return protos;
}
for(i = 0; i < res; i++) {
- if(protocols[i] == wm_atom[WMDelete])
- protos |= WM_PROTOCOL_DELWIN;
+ if(protocols[i] == wmatom[WMDelete])
+ protos |= PROTODELWIN;
}
free((char *) protocols);
return protos;
}
void
-send_message(Window w, Atom a, long value)
+sendevent(Window w, Atom a, long value)
{
XEvent e;
@@ -122,151 +129,158 @@ send_message(Window w, Atom a, long value)
e.xclient.data.l[0] = value;
e.xclient.data.l[1] = CurrentTime;
XSendEvent(dpy, w, False, NoEventMask, &e);
- XFlush(dpy);
+ XSync(dpy, False);
}
-/*
- * 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)
+void
+quit(Arg *arg)
{
- 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() */
+ running = False;
}
/*
- * Startup Error handler to check if another window manager
- * is already running.
+ * 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 calls exit().
*/
-static int
-startup_error_handler(Display *dpy, XErrorEvent *error)
-{
- other_wm_running = True;
- return -1;
-}
-
-static void
-cleanup()
-{
- while(sel) {
- resize(sel, True);
- unmanage(sel);
- }
- XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
-}
-
-void
-quit(Arg *arg)
+int
+xerror(Display *dpy, XErrorEvent *ee)
{
- running = False;
+ 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))
+ 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[])
{
int i;
- XSetWindowAttributes wa;
unsigned int mask;
+ fd_set rd;
+ Bool readin = True;
Window w;
XEvent ev;
+ XSetWindowAttributes wa;
- /* 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;
- }
+ if(argc == 2 && !strncmp("-v", argv[1], 3)) {
+ fputs("dwm-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
+ exit(EXIT_SUCCESS);
}
+ else if(argc != 1)
+ eprint("usage: dwm [-v]\n");
dpy = XOpenDisplay(0);
if(!dpy)
- error("dwm: cannot connect X server\n");
+ eprint("dwm: cannot open display\n");
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");
+ XSync(dpy, False);
- sx = sy = 0;
- sw = DisplayWidth(dpy, screen);
- sh = DisplayHeight(dpy, screen);
- mw = (sw * MASTERW) / 100;
- issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
+ if(otherwm)
+ eprint("dwm: another window manager is already running\n");
- XSetErrorHandler(0);
- x_error_handler = XSetErrorHandler(error_handler);
+ XSetErrorHandler(NULL);
+ xerrorxlib = XSetErrorHandler(xerror);
/* 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);
-
+ wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
+ wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", 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);
- update_keys();
+ grabkeys();
+ initrregs();
+
+ for(ntags = 0; tags[ntags]; ntags++);
/* style */
- dc.bg = initcolor(BGCOLOR);
- dc.fg = initcolor(FGCOLOR);
- dc.border = initcolor(BORDERCOLOR);
- initfont(FONT);
+ dc.bg = getcolor(BGCOLOR);
+ dc.fg = getcolor(FGCOLOR);
+ dc.border = getcolor(BORDERCOLOR);
+ setfont(FONT);
+
+ sx = sy = 0;
+ sw = DisplayWidth(dpy, screen);
+ sh = DisplayHeight(dpy, screen);
+ mw = (sw * MASTERW) / 100;
+
+ wa.override_redirect = 1;
+ wa.background_pixmap = ParentRelative;
+ wa.event_mask = ButtonPressMask | ExposureMask;
- th = dc.font.height + 4;
+ bx = by = 0;
+ bw = sw;
+ dc.h = bh = dc.font.height + 4;
+ barwin = XCreateWindow(dpy, root, bx, by, bw, bh, 0, DefaultDepth(dpy, screen),
+ CopyFromParent, DefaultVisual(dpy, screen),
+ CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
+ XDefineCursor(dpy, barwin, cursor[CurNormal]);
+ XMapRaised(dpy, barwin);
- dc.drawable = XCreatePixmap(dpy, root, sw, th, DefaultDepth(dpy, screen));
+ dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
dc.gc = XCreateGC(dpy, root, 0, 0);
- wa.event_mask = SubstructureRedirectMask | EnterWindowMask \
- | LeaveWindowMask;
+ strcpy(stext, "dwm-"VERSION);
+ drawstatus();
+
+ issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
+
+ wa.event_mask = SubstructureRedirectMask | EnterWindowMask | LeaveWindowMask;
wa.cursor = cursor[CurNormal];
XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
- scan_wins();
+ scan();
+ /* main event loop, also reads status text from stdin */
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(ConnectionNumber(dpy), &rd);
+
+ i = select(ConnectionNumber(dpy) + 1, &rd, 0, 0, 0);
+ if(i == -1 && errno == EINTR)
+ continue;
+ if(i < 0)
+ eprint("select failed\n");
+ else if(i > 0) {
+ if(FD_ISSET(ConnectionNumber(dpy), &rd)) {
+ while(XPending(dpy)) {
+ XNextEvent(dpy, &ev);
+ if(handler[ev.type])
+ (handler[ev.type])(&ev); /* call handler */
+ }
+ }
+ if(readin && FD_ISSET(STDIN_FILENO, &rd)) {
+ readin = NULL != fgets(stext, sizeof(stext), stdin);
+ if(readin)
+ stext[strlen(stext) - 1] = 0;
+ else
+ strcpy(stext, "broken pipe");
+ drawstatus();
+ }
+ }
}
cleanup();