new colorscheme (16-bit compliant)

[dwm.git] / main.c

diff --git a/main.c b/main.c
index 07e12aa..1e1ad4c 100644 (file)
--- a/main.c
+++ b/main.c
@@ -1,69 +1,101 @@
-/*
- * (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 <stdio.h>
 #include <stdlib.h>

-
+#include <string.h>
+#include <unistd.h>
+#include <sys/select.h>

 #include <X11/cursorfont.h>
 #include <X11/cursorfont.h>

+#include <X11/keysym.h>

 #include <X11/Xatom.h>
 #include <X11/Xproto.h>
 #include <X11/Xatom.h>
 #include <X11/Xproto.h>

+#include <X11/Xutil.h>

 
 

-#include "dwm.h"
-
-/********** CUSTOMIZE **********/
+/* extern */

 
 

-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;
-
-char stext[1024];
-int tsel = Tdev; /* default tag */
-int screen, sx, sy, sw, sh, th;
-
-DC dc = {0};
+char stext[256];
+int screen, sx, sy, sw, sh, wax, way, waw, wah;
+unsigned int ntags;
+unsigned int numlockmask = 0;
+Atom wmatom[WMLast], netatom[NetLast];
+Bool *seltags;
+Bool selscreen = True;

 Client *clients = NULL;
 Client *sel = NULL;
 Client *clients = NULL;
 Client *sel = NULL;

+Client *stack = NULL;
+Cursor cursor[CurLast];
+Display *dpy;
+Window root;
+
+/* static */

 
 

-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, readin;
+static Bool running = True;

 
 static void
 
 static void

-usage() {      error("usage: dwm [-v]\n"); }
+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(seltags);
+}
+
+static long
+getstate(Window w) {
+       int format, status;
+       long result = -1;
+       unsigned char *p = NULL;
+       unsigned long n, extra;
+       Atom real;
+
+       status = XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
+                       &real, &format, &n, &extra, (unsigned char **)&p);
+       if(status != Success)
+               return -1;
+       if(n != 0)
+               result = *p;
+       XFree(p);
+       return result;
+}

 
 static void
 
 static void

-scan_wins()
-{
+scan(void) {

        unsigned int i, num;
        unsigned int i, num;

-       Window *wins;
+       Window *wins, d1, d2;

        XWindowAttributes wa;
        XWindowAttributes wa;

-       Window d1, d2;

 
 

+       wins = NULL;

        if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
                for(i = 0; i < num; i++) {
        if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
                for(i = 0; i < num; i++) {

-                       if(!XGetWindowAttributes(dpy, wins[i], &wa))
+                       if(!XGetWindowAttributes(dpy, wins[i], &wa)
+                       || wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))

                                continue;
                                continue;

-                       if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
+                       if(wa.map_state == IsViewable || getstate(wins[i]) == IconicState)
+                               manage(wins[i], &wa);
+               }
+               for(i = 0; i < num; i++) { /* now the transients */
+                       if(!XGetWindowAttributes(dpy, wins[i], &wa))

                                continue;
                                continue;

-                       if(wa.map_state == IsViewable)
+                       if(XGetTransientForHint(dpy, wins[i], &d1)
+                       && (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))

                                manage(wins[i], &wa);
                }
        }
                                manage(wins[i], &wa);
                }
        }


@@ -71,87 +103,56 @@ scan_wins()
                XFree(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[WMName] = XInternAtom(dpy, "WM_NAME", 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++);
+       seltags = emallocz(sizeof(Bool) * ntags);
+       seltags[0] = True;
+       /* geometry */
+       sx = sy = 0;
+       sw = DisplayWidth(dpy, screen);
+       sh = DisplayHeight(dpy, screen);
+       initstyle();
+       initlayouts();
+       initbar();
+       /* multihead support */
+       selscreen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);

 }
 
 /*
 }
 
 /*


@@ -159,118 +160,137 @@ error_handler(Display *dpy, XErrorEvent *error)
  * is already running.
  */
 static int
  * 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;
 }
 
        return -1;
 }
 

-static void
-cleanup()
-{
-       while(sel) {
-               resize(sel);
-               unmanage(sel);
+/* extern */
+
+Bool
+gettextprop(Window w, Atom atom, char *text, unsigned int size) {
+       char **list = NULL;
+       int n;
+       XTextProperty name;
+
+       if(!text || size == 0)
+               return False;
+       text[0] = '\0';
+       XGetTextProperty(dpy, w, &name, atom);
+       if(!name.nitems)
+               return False;
+       if(name.encoding == XA_STRING)
+               strncpy(text, (char *)name.value, size - 1);
+       else {
+               if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
+               && n > 0 && *list)
+               {
+                       strncpy(text, *list, size - 1);
+                       XFreeStringList(list);
+               }

        }
        }

-       XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
+       text[size - 1] = '\0';
+       XFree(name.value);
+       return True;

 }
 
 void
 }
 
 void

-quit(Arg *arg)
-{
-       running = False;
+quit(const char *arg) {
+       readin = running = 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 Xlibs
+ * default error handler, which may call exit.
+ */

 int
 int

-main(int argc, char *argv[])
-{
-       int i;
-       XSetWindowAttributes wa;
-       unsigned int mask;
-       Window w;
-       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;
-               }
-       }
+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 */
+}

 
 

-       dpy = XOpenDisplay(0);
-       if(!dpy)
-               error("dwm: cannot connect X server\n");
+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);
        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);
        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();
+       drawbar();
+       scan();
+
+       /* main event loop, also reads status text from stdin */
+       XSync(dpy, False);
+       readin = True;

        while(running) {
        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);
+                       }
+                       drawbar();
+               }
+               while(XPending(dpy)) {
+                       XNextEvent(dpy, &ev);
+                       if(handler[ev.type])
+                               (handler[ev.type])(&ev); /* call handler */
+               }

        }
        }

-

        cleanup();
        XCloseDisplay(dpy);
        cleanup();
        XCloseDisplay(dpy);

-

        return 0;
 }
        return 0;
 }