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diff --git a/config.def.h b/config.def.h
index 9efa774..95499bd 100644
--- a/config.def.h
+++ b/config.def.h
@@ -2,6 +2,8 @@
/* appearance */
static const unsigned int borderpx = 1; /* border pixel of windows */
+static const unsigned int tabModKey = 0x40;
+static const unsigned int tabCycleKey = 0x17;
static const unsigned int snap = 32; /* snap pixel */
static const int showbar = 1; /* 0 means no bar */
static const int topbar = 1; /* 0 means bottom bar */
@@ -95,6 +97,8 @@ static const Key keys[] = {
TAGKEYS( XK_8, 7)
TAGKEYS( XK_9, 8)
{ MODKEY|ShiftMask, XK_q, quit, {0} },
+ { MODKEY, XK_o, winview, {0} },
+ { Mod1Mask, XK_Tab, alttab, {0} },
};
/* button definitions */
diff --git a/dwm.1 b/dwm.1
index ddc8321..f8a809e 100644
--- a/dwm.1
+++ b/dwm.1
@@ -110,6 +110,9 @@ Increase master area size.
.B Mod1\-h
Decrease master area size.
.TP
+.B Mod1\-o
+Select view of the window in focus. The list of tags to be displayed is matched to the window tag list.
+.TP
.B Mod1\-Return
Zooms/cycles focused window to/from master area (tiled layouts only).
.TP
diff --git a/dwm.c b/dwm.c
index f1d86b2..71d0ebc 100644
--- a/dwm.c
+++ b/dwm.c
@@ -28,6 +28,7 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <X11/cursorfont.h>
@@ -142,6 +143,7 @@ typedef struct {
} Rule;
/* function declarations */
+static void alttab(const Arg *arg);
static void applyrules(Client *c);
static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
static void arrange(Monitor *m);
@@ -168,6 +170,7 @@ static void expose(XEvent *e);
static void focus(Client *c);
static void focusin(XEvent *e);
static void focusmon(const Arg *arg);
+static void focusnext(const Arg *arg);
static void focusstack(const Arg *arg);
static Atom getatomprop(Client *c, Atom prop);
static int getrootptr(int *x, int *y);
@@ -229,6 +232,7 @@ static void updatewmhints(Client *c);
static void view(const Arg *arg);
static Client *wintoclient(Window w);
static Monitor *wintomon(Window w);
+static void winview(const Arg* arg);
static int xerror(Display *dpy, XErrorEvent *ee);
static int xerrordummy(Display *dpy, XErrorEvent *ee);
static int xerrorstart(Display *dpy, XErrorEvent *ee);
@@ -268,6 +272,8 @@ static Drw *drw;
static Monitor *mons, *selmon;
static Window root, wmcheckwin;
+static int alt_tab_direction = 0;
+
/* configuration, allows nested code to access above variables */
#include "config.h"
@@ -275,6 +281,79 @@ static Window root, wmcheckwin;
struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
/* function implementations */
+
+static void
+alttab(const Arg *arg) {
+
+ view(&(Arg){ .ui = ~0 });
+ focusnext(&(Arg){ .i = alt_tab_direction });
+
+ int grabbed = 1;
+ int grabbed_keyboard = 1000;
+ for (int i = 0; i < 100; i += 1) {
+ struct timespec ts;
+ ts.tv_sec = 0;
+ ts.tv_nsec = 1000000;
+
+ if (grabbed_keyboard != GrabSuccess) {
+ grabbed_keyboard = XGrabKeyboard(dpy, DefaultRootWindow(dpy), True,
+ GrabModeAsync, GrabModeAsync, CurrentTime);
+ }
+ if (grabbed_keyboard == GrabSuccess) {
+ XGrabButton(dpy, AnyButton, AnyModifier, None, False,
+ BUTTONMASK, GrabModeAsync, GrabModeAsync,
+ None, None);
+ break;
+ }
+ nanosleep(&ts, NULL);
+ if (i == 100 - 1)
+ grabbed = 0;
+ }
+
+ XEvent event;
+ Client *c;
+ Monitor *m;
+ XButtonPressedEvent *ev;
+
+ while (grabbed) {
+ XNextEvent(dpy, &event);
+ switch (event.type) {
+ case KeyPress:
+ if (event.xkey.keycode == tabCycleKey)
+ focusnext(&(Arg){ .i = alt_tab_direction });
+ break;
+ case KeyRelease:
+ if (event.xkey.keycode == tabModKey) {
+ XUngrabKeyboard(dpy, CurrentTime);
+ XUngrabButton(dpy, AnyButton, AnyModifier, None);
+ grabbed = 0;
+ alt_tab_direction = !alt_tab_direction;
+ winview(0);
+ }
+ break;
+ case ButtonPress:
+ ev = &(event.xbutton);
+ if ((m = wintomon(ev->window)) && m != selmon) {
+ unfocus(selmon->sel, 1);
+ selmon = m;
+ focus(NULL);
+ }
+ if ((c = wintoclient(ev->window)))
+ focus(c);
+ XAllowEvents(dpy, AsyncBoth, CurrentTime);
+ break;
+ case ButtonRelease:
+ XUngrabKeyboard(dpy, CurrentTime);
+ XUngrabButton(dpy, AnyButton, AnyModifier, None);
+ grabbed = 0;
+ alt_tab_direction = !alt_tab_direction;
+ winview(0);
+ break;
+ }
+ }
+ return;
+}
+
void
applyrules(Client *c)
{
@@ -835,6 +914,28 @@ focusmon(const Arg *arg)
focus(NULL);
}
+static void
+focusnext(const Arg *arg) {
+ Monitor *m;
+ Client *c;
+ m = selmon;
+ c = m->sel;
+
+ if (arg->i) {
+ if (c->next)
+ c = c->next;
+ else
+ c = m->clients;
+ } else {
+ Client *last = c;
+ if (last == m->clients)
+ last = NULL;
+ for (c = m->clients; c->next != last; c = c->next);
+ }
+ focus(c);
+ return;
+}
+
void
focusstack(const Arg *arg)
{
@@ -2092,6 +2193,26 @@ wintomon(Window w)
return selmon;
}
+/* Selects for the view of the focused window. The list of tags */
+/* to be displayed is matched to the focused window tag list. */
+void
+winview(const Arg* arg){
+ Window win, win_r, win_p, *win_c;
+ unsigned nc;
+ int unused;
+ Client* c;
+ Arg a;
+
+ if (!XGetInputFocus(dpy, &win, &unused)) return;
+ while(XQueryTree(dpy, win, &win_r, &win_p, &win_c, &nc)
+ && win_p != win_r) win = win_p;
+
+ if (!(c = wintoclient(win))) return;
+
+ a.ui = c->tags;
+ view(&a);
+}
+
/* 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. */
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