update

Refresh keyboard mapping uppon MappingNotify event

Makefile

@@ -1,21 +1,24 @@
-CFLAGS+= -std=c99 -Wall -Wextra -pedantic -Wno-deprecated-declarations
+CFLAGS += -std=c99 -Wall -Wextra -pedantic -Wold-style-declaration
-LDADD+= -lX11
+CFLAGS += -Wmissing-prototypes -Wno-unused-parameter
-LDFLAGS=
+PREFIX ?= /usr
-PREFIX?= /usr
+BINDIR ?= $(PREFIX)/bin
-BINDIR?= $(PREFIX)/bin
+CC     ?= gcc
 
-CC ?= gcc
+all: sowm
-
-all: config.h sowm
 
 config.h:
 	cp config.def.h config.h
 
-sowm: sowm.o
+sowm: sowm.c sowm.h config.h Makefile
-	$(CC) $(LDFLAGS) -O3 -o $@ $+ $(LDADD)
+	$(CC) -O3 $(CFLAGS) -o $@ $< -lX11 $(LDFLAGS)
 
 install: all
-	install -Dm 755 sowm $(DESTDIR)$(BINDIR)/sowm
+	install -Dm755 sowm $(DESTDIR)$(BINDIR)/sowm
+
+uninstall:
+	rm -f $(DESTDIR)$(BINDIR)/sowm
 
 clean:
 	rm -f sowm *.o
+
+.PHONY: all install uninstall clean

README.md

@@ -1,15 +1,16 @@
-# sowm
+# sowm (*~~Simple~~ Shitty Opinionated Window Manager*)
 
 <a href="https://user-images.githubusercontent.com/6799467/66687576-9747c200-ec72-11e9-947d-5b96753eab03.jpg"><img src="https://user-images.githubusercontent.com/6799467/66687576-9747c200-ec72-11e9-947d-5b96753eab03.jpg" width="43%" align="right"></a>
 
-An itsy bitsy floating window manager (*240~ sloc / 24kb compiled!*).
+An itsy bitsy floating window manager (*220~ sloc!*).
 
 - Floating only.
 - Fullscreen toggle.
 - Window centering.
 - Mix of mouse and keyboard workflow.
 - Focus with cursor.
-- Rounded corners (*[through patch](https://github.com/dylanaraps/sowm/blob/master/patches/sowm-rounded-corners.patch)*)
+- Rounded corners (*[through patch](https://github.com/dylanaraps/sowm/pull/58)*)
+- Titlebars (*[through patch](https://github.com/dylanaraps/sowm/pull/57)*)
 
 <a href="https://user-images.githubusercontent.com/6799467/66687814-8cd9f800-ec73-11e9-97b8-6ae77876bd1b.jpg"><img src="https://user-images.githubusercontent.com/6799467/66687814-8cd9f800-ec73-11e9-97b8-6ae77876bd1b.jpg" width="43%" align="right"></a>
 
@@ -17,12 +18,14 @@ An itsy bitsy floating window manager (*240~ sloc / 24kb compiled!*).
 - All windows die on exit.
 - No window borders.
 - [No ICCCM](https://web.archive.org/web/20190617214524/https://raw.githubusercontent.com/kfish/xsel/1a1c5edf0dc129055f7764c666da2dd468df6016/rant.txt).
-- No EMWH.
+- No EWMH.
 - etc etc etc
 
 
 <br>
 
+Patches available here: https://github.com/dylanaraps/sowm/pulls
+
 ## Default Keybindings
 
 **Window Management**
@@ -35,8 +38,8 @@ An itsy bitsy floating window manager (*240~ sloc / 24kb compiled!*).
 | `MOD4` + `f`               | maximize toggle        |
 | `MOD4` + `c`               | center window          |
 | `MOD4` + `q`               | kill window            |
-| `MOD4` + `1-9`             | desktop swap           |
+| `MOD4` + `1-6`             | desktop swap           |
-| `MOD4` + `Shift` +`1-9`    | send window to desktop |
+| `MOD4` + `Shift` +`1-6`    | send window to desktop |
 | `MOD1` + `TAB` (*alt-tab*) | focus cycle            |
 
 **Programs**
@@ -65,18 +68,31 @@ An itsy bitsy floating window manager (*240~ sloc / 24kb compiled!*).
 2) Run `make` to build `sowm`.
 3) Copy it to your path or run `make install`.
     - `DESTDIR` and `PREFIX` are supported.
+4) (Optional) Apply patch with `git apply patches/patch-name`
+    - In case of applying multiple patches, it has to be done **manually**.
+
+If you are using GDM, save the following to `/usr/share/xsessions/sowm.desktop`. It is still recommended to start `sowm` from `.xinitrc` or through
+[your own xinit implementation](https://github.com/dylanaraps/bin/blob/dfd9a9ff4555efb1cc966f8473339f37d13698ba/x).
+
+```
+[Desktop Entry]
+Name=sowm
+Comment=This session runs sowm as desktop manager
+Exec=sowm
+Type=Application
+```
 
 
 ## Thanks
 
-- 2bwm
+- [2bwm](https://github.com/venam/2bwm)
-- SmallWM
+- [SmallWM](https://github.com/adamnew123456/SmallWM)
-- berry
+- [berry](https://github.com/JLErvin/berry)
-- catwm
+- [catwm](https://github.com/pyknite/catwm)
-- dminiwm
+- [dminiwm](https://github.com/moetunes/dminiwm)
-- dwm
+- [dwm](https://dwm.suckless.org)
-- monsterwm
+- [monsterwm](https://github.com/c00kiemon5ter/monsterwm)
-- openbox
+- [openbox](https://github.com/danakj/openbox)
-- possumwm
+- [possum-wm](https://github.com/duckinator/possum-wm)
-- swm
+- [swm](https://github.com/dcat/swm)
-- tinywm
+- [tinywm](http://incise.org/tinywm.html)

config.def.h

@@ -15,9 +15,11 @@ const char* colors[]  = {"bud", "/home/goldie/Pictures/Wallpapers", 0};
 
 static struct key keys[] = {
     {MOD,      XK_q,   win_kill,   {0}},
-    {MOD,      XK_c,   win_center, {.w = 0}},
+    {MOD,      XK_c,   win_center, {0}},
     {MOD,      XK_f,   win_fs,     {0}},
-    {Mod1Mask, XK_Tab, win_next,   {0}},
+
+    {Mod1Mask,           XK_Tab, win_next,   {0}},
+    {Mod1Mask|ShiftMask, XK_Tab, win_prev,   {0}},
 
     {MOD, XK_d,      run, {.com = menu}},
     {MOD, XK_w,      run, {.com = colors}},

patches/sowm-normal-kill.patch

@@ -1,51 +0,0 @@
-diff --git a/patches/sowm-normal-kill.patch b/patches/sowm-normal-kill.patch
-index 4b11cd4..e69de29 100644
---- a/patches/sowm-normal-kill.patch
-+++ b/patches/sowm-normal-kill.patch
-@@ -1,23 +0,0 @@
--diff --git a/sowm.c b/sowm.c
--index 0d74d4b..ff70968 100644
----- a/sowm.c
--+++ b/sowm.c
--@@ -326,7 +326,17 @@ void win_del(Window w) {
--    "Shoot first and don't ask questions later?.."
-- */
-- void win_kill() {
---    if (win_current() != root) XKillClient(d, cur);
--+    if (win_current() == root) return;
--+
--+    XEvent ev = { .type = ClientMessage };
--+
--+    ev.xclient.window       = cur;
--+    ev.xclient.format       = 32;
--+    ev.xclient.message_type = XInternAtom(d, "WM_PROTOCOLS", True);
--+    ev.xclient.data.l[0]    = XInternAtom(d, "WM_DELETE_WINDOW", True);
--+    ev.xclient.data.l[1]    = CurrentTime;
--+
--+    XSendEvent(d, cur, False, NoEventMask, &ev);
-- }
--
-- /*
-diff --git a/sowm.c b/sowm.c
-index 126aca0..cd8af6f 100644
---- a/sowm.c
-+++ b/sowm.c
-@@ -180,7 +180,17 @@ void win_del(Window w) {
- }
- 
- void win_kill() {
--    if (win_current() ^ root) XKillClient(d, cur);
-+    if (win_current() == root) return;
-+
-+    XEvent ev = { .type = ClientMessage };
-+
-+    ev.xclient.window       = cur;
-+    ev.xclient.format       = 32;
-+    ev.xclient.message_type = XInternAtom(d, "WM_PROTOCOLS", True);
-+    ev.xclient.data.l[0]    = XInternAtom(d, "WM_DELETE_WINDOW", True);
-+    ev.xclient.data.l[1]    = CurrentTime;
-+
-+    XSendEvent(d, cur, False, NoEventMask, &ev);
- }
- 
- void win_center(const Arg arg) {

patches/sowm-rounded-corners.patch

@@ -1,106 +0,0 @@
-diff --git a/Makefile b/Makefile
-index 3154a2f..243b744 100644
---- a/Makefile
-+++ b/Makefile
-@@ -1,5 +1,5 @@
- CFLAGS+= -std=c99 -Wall -Wextra -pedantic -Wno-deprecated-declarations
--LDADD+= -lX11
-+LDADD+= -lX11 -lXext
- LDFLAGS=
- PREFIX?= /usr
- BINDIR?= $(PREFIX)/bin
-diff --git a/config.def.h b/config.def.h
-index 3cef34b..e7f1518 100644
---- a/config.def.h
-+++ b/config.def.h
-@@ -2,6 +2,7 @@
- #define CONFIG_H
- 
- #define MOD Mod4Mask
-+#define ROUND_CORNERS 20
- 
- const char* menu[]    = {"dmenu_run",      0};
- const char* term[]    = {"st",             0};
-diff --git a/sowm.c b/sowm.c
-index 126aca0..5c99c5c 100644
---- a/sowm.c
-+++ b/sowm.c
-@@ -3,6 +3,7 @@
- #include <X11/Xlib.h>
- #include <X11/XF86keysym.h>
- #include <X11/keysym.h>
-+#include <X11/extensions/shape.h>
- #include <stdlib.h>
- #include <signal.h>
- #include <unistd.h>
-@@ -41,6 +42,7 @@ static void win_del(Window w);
- static void win_fs();
- static void win_kill();
- static void win_next();
-+static void win_round_corners(Window w, int rad);
- static void win_to_ws(const Arg arg);
- static void ws_go(const Arg arg);
- static int  xerror() { return 0;}
-@@ -105,6 +107,9 @@ void notify_motion(XEvent *e) {
-         wy + (mouse.button == 1 ? yd : 0),
-         ww + (mouse.button == 3 ? xd : 0),
-         wh + (mouse.button == 3 ? yd : 0));
-+
-+    if (mouse.button == 3)
-+        win_round_corners(mouse.subwindow, ROUND_CORNERS);
- }
- 
- void key_press(XEvent *e) {
-@@ -201,9 +206,44 @@ void win_fs() {
- 
-         } else
-             XMoveResizeWindow(d, cur, c->wx, c->wy, c->ww, c->wh);
-+
-+        win_round_corners(cur, c->f ? 0 : ROUND_CORNERS);
-     }
- }
- 
-+void win_round_corners(Window w, int rad) {
-+    unsigned int ww, wh, dia = 2 * rad;
-+
-+    win_size(w, &(int){1}, &(int){1}, &ww, &wh);
-+
-+    if (ww < dia || wh < dia) return;
-+
-+    Pixmap mask = XCreatePixmap(d, w, ww, wh, 1);
-+
-+    if (!mask) return;
-+
-+    XGCValues xgcv;
-+    GC shape_gc = XCreateGC(d, mask, 0, &xgcv);
-+
-+    if (!shape_gc) {
-+        XFreePixmap(d, mask);
-+        return;
-+    }
-+
-+    XSetForeground(d, shape_gc, 0);
-+    XFillRectangle(d, mask, shape_gc, 0, 0, ww, wh);
-+    XSetForeground(d, shape_gc, 1);
-+    XFillArc(d, mask, shape_gc, 0, 0, dia, dia, 0, 23040);
-+    XFillArc(d, mask, shape_gc, ww-dia-1, 0, dia, dia, 0, 23040);
-+    XFillArc(d, mask, shape_gc, 0, wh-dia-1, dia, dia, 0, 23040);
-+    XFillArc(d, mask, shape_gc, ww-dia-1, wh-dia-1, dia, dia, 0, 23040);
-+    XFillRectangle(d, mask, shape_gc, rad, 0, ww-dia, wh);
-+    XFillRectangle(d, mask, shape_gc, 0, rad, ww, wh-dia);
-+    XShapeCombineMask(d, w, ShapeBounding, 0, 0, mask, ShapeSet);
-+    XFreePixmap(d, mask);
-+    XFreeGC(d, shape_gc);
-+}
-+
- void win_to_ws(const Arg arg) {
-     int tmp = ws;
-     win_current();
-@@ -275,6 +315,7 @@ void map_request(XEvent *e) {
-     if (wx == 0 && wy == 0) win_center((Arg){.i = w});
- 
-     XMapWindow(d, w);
-+    win_round_corners(w, ROUND_CORNERS);
-     win_focus(w);
-     win_add(w);
- }

sowm.c

@@ -3,55 +3,20 @@
 #include <X11/Xlib.h>
 #include <X11/XF86keysym.h>
 #include <X11/keysym.h>
+#include <X11/XKBlib.h>
 #include <stdlib.h>
 #include <signal.h>
 #include <unistd.h>
 
-typedef union {
+#include "sowm.h"
-    const char** com;
-    const int i;
-    const Window w;
-} Arg;
 
-struct key {
+static client       *list = {0}, *ws_list[10] = {0}, *cur;
-    unsigned int mod;
+static int          ws = 1, sw, sh, wx, wy, numlock = 0;
-    KeySym keysym;
-    void (*function)(const Arg arg);
-    const Arg arg;
-};
-
-typedef struct client {
-    struct client *next, *prev;
-    int f, wx, wy;
-    unsigned int w, ww, wh;
-} client;
-
-static void button_press(XEvent *e);
-static void button_release();
-static void configure_request(XEvent *e);
-static void key_press(XEvent *e);
-static void map_request(XEvent *e);
-static void notify_destroy(XEvent *e);
-static void notify_enter(XEvent *e);
-static void notify_motion(XEvent *e);
-static void run(const Arg arg);
-static void win_add(Window w);
-static void win_center(const Arg arg);
-static void win_del(Window w);
-static void win_fs();
-static void win_kill();
-static void win_next();
-static void win_to_ws(const Arg arg);
-static void ws_go(const Arg arg);
-static int  xerror() { return 0;}
-
-static client       *list = {0}, *ws_list[10] = {0};
-static int          ws = 1, sw, sh, wx, wy;
 static unsigned int ww, wh;
 
 static Display      *d;
-static Window       root, cur;
 static XButtonEvent mouse;
+static Window       root;
 
 static void (*events[LASTEvent])(XEvent *e) = {
     [ButtonPress]      = button_press,
@@ -59,6 +24,7 @@ static void (*events[LASTEvent])(XEvent *e) = {
     [ConfigureRequest] = configure_request,
     [KeyPress]         = key_press,
     [MapRequest]       = map_request,
+    [MappingNotify]    = mapping_notify,
     [DestroyNotify]    = notify_destroy,
     [EnterNotify]      = notify_enter,
     [MotionNotify]     = notify_motion
@@ -66,172 +32,148 @@ static void (*events[LASTEvent])(XEvent *e) = {
 
 #include "config.h"
 
-#define win          (client *c=list;c;c=c->next)
+void win_focus(client *c) {
-#define win_focus(W) XSetInputFocus(d, W, RevertToParent, CurrentTime)
+    cur = c;
-#define ws_save(W)   ws_list[W] = list
+    XSetInputFocus(d, cur->w, RevertToParent, CurrentTime);
-#define ws_sel(W)    list = ws_list[ws = W]
-
-#define win_size(W, gx, gy, gw, gh) \
-    XGetGeometry(d, W, &(Window){0}, gx, gy, gw, gh, \
-                 &(unsigned int){0}, &(unsigned int){0})
-
-Window win_current() {
-    XGetInputFocus(d, &cur, (int[]){1});
-    return cur;
 }
 
 void notify_destroy(XEvent *e) {
     win_del(e->xdestroywindow.window);
 
-    if (list) win_focus(win_current() == root ? list->w : cur);
+    if (list) win_focus(list->prev);
 }
 
 void notify_enter(XEvent *e) {
     while(XCheckTypedEvent(d, EnterNotify, e));
 
-    win_focus(e->xcrossing.window);
+    for win if (c->w == e->xcrossing.window) win_focus(c);
 }
 
 void notify_motion(XEvent *e) {
-    if (mouse.subwindow == 0) return;
+    if (!mouse.subwindow || cur->f) return;
+
+    while(XCheckTypedEvent(d, MotionNotify, e));
 
     int xd = e->xbutton.x_root - mouse.x_root;
     int yd = e->xbutton.y_root - mouse.y_root;
 
-    while(XCheckTypedEvent(d, MotionNotify, e));
-
     XMoveResizeWindow(d, mouse.subwindow,
         wx + (mouse.button == 1 ? xd : 0),
         wy + (mouse.button == 1 ? yd : 0),
-        ww + (mouse.button == 3 ? xd : 0),
+        MAX(1, ww + (mouse.button == 3 ? xd : 0)),
-        wh + (mouse.button == 3 ? yd : 0));
+        MAX(1, wh + (mouse.button == 3 ? yd : 0)));
 }
 
 void key_press(XEvent *e) {
-    KeySym keysym = XKeycodeToKeysym(d, e->xkey.keycode, 0);
+    KeySym keysym = XkbKeycodeToKeysym(d, e->xkey.keycode, 0, 0);
 
     for (unsigned int i=0; i < sizeof(keys)/sizeof(*keys); ++i)
-        if (keys[i].keysym == keysym && keys[i].mod == e->xkey.state)
+        if (keys[i].keysym == keysym &&
+            mod_clean(keys[i].mod) == mod_clean(e->xkey.state))
             keys[i].function(keys[i].arg);
 }
 
 void button_press(XEvent *e) {
-    if (e->xbutton.subwindow == 0) return;
+    if (!e->xbutton.subwindow) return;
 
     win_size(e->xbutton.subwindow, &wx, &wy, &ww, &wh);
     XRaiseWindow(d, e->xbutton.subwindow);
     mouse = e->xbutton;
 }
 
-void button_release() {
+void button_release(XEvent *e) {
-    for win if (c->w == mouse.subwindow) c->f = 0;
-
     mouse.subwindow = 0;
 }
 
 void win_add(Window w) {
-    client *c, *t;
+    client *c;
 
-    if (!(c = (client *)calloc(1, sizeof(client))))
+    if (!(c = (client *) calloc(1, sizeof(client))))
         exit(1);
 
-    if (!list) {
+    c->w = w;
-        c->next = c->prev = 0;
+
-        c->w    = w;
+    if (list) {
-        list    = c;
+        list->prev->next = c;
+        c->prev          = list->prev;
+        list->prev       = c;
+        c->next          = list;
 
     } else {
-        for (t=list;t->next;t=t->next);
+        list = c;
-
+        list->prev = list->next = list;
-        c->next = 0;
-        c->prev = t;
-        c->w    = w;
-        t->next = c;
     }
 
     ws_save(ws);
 }
 
 void win_del(Window w) {
-    for win if (c->w == w) {
+    client *x = 0;
-        if (!c->prev && !c->next) {
-            free(list);
-            list = 0;
-            ws_save(ws);
-            return;
-        }
 
-        if (!c->prev) {
+    for win if (c->w == w) x = c;
-            list = c->next;
-            c->next->prev = 0;
 
-        } else if (!c->next) {
+    if (!list || !x)  return;
-            c->prev->next = 0;
+    if (x->prev == x) list = 0;
+    if (list == x)    list = x->next;
+    if (x->next)      x->next->prev = x->prev;
+    if (x->prev)      x->prev->next = x->next;
 
-        } else {
+    free(x);
-            c->prev->next = c->next;
+    ws_save(ws);
-            c->next->prev = c->prev;
-        }
-
-        free(c);
-        ws_save(ws);
-        return;
-    }
 }
 
-void win_kill() {
+void win_kill(const Arg arg) {
-    if (win_current() ^ root) XKillClient(d, cur);
+    if (cur) XKillClient(d, cur->w);
 }
 
 void win_center(const Arg arg) {
-    Window w = arg.w ? arg.w : win_current();
+    if (!cur) return;
 
-    win_size(w, &(int){0}, &(int){0}, &ww, &wh);
+    win_size(cur->w, &(int){0}, &(int){0}, &ww, &wh);
-
+    XMoveWindow(d, cur->w, (sw - ww) / 2, (sh - wh) / 2);
-    XMoveWindow(d, w, (sw - ww) / 2, (sh - wh) / 2);
 }
 
-void win_fs() {
+void win_fs(const Arg arg) {
-    win_current();
+    if (!cur) return;
 
-    for win if (c->w == cur) {
+    if ((cur->f = cur->f ? 0 : 1)) {
-        if ((c->f = c->f == 0 ? 1 : 0)) {
+        win_size(cur->w, &cur->wx, &cur->wy, &cur->ww, &cur->wh);
-            win_size(cur, &c->wx, &c->wy, &c->ww, &c->wh);
+        XMoveResizeWindow(d, cur->w, 0, 0, sw, sh);
-            XMoveResizeWindow(d, cur, 0, 0, sw, sh);
 
-        } else
+    } else {
-            XMoveResizeWindow(d, cur, c->wx, c->wy, c->ww, c->wh);
+        XMoveResizeWindow(d, cur->w, cur->wx, cur->wy, cur->ww, cur->wh);
     }
 }
 
 void win_to_ws(const Arg arg) {
     int tmp = ws;
-    win_current();
 
     if (arg.i == tmp) return;
 
     ws_sel(arg.i);
-    win_add(cur);
+    win_add(cur->w);
     ws_save(arg.i);
 
     ws_sel(tmp);
-    win_del(cur);
+    win_del(cur->w);
-    XUnmapWindow(d, cur);
+    XUnmapWindow(d, cur->w);
     ws_save(tmp);
 
-    if (list) win_focus(list->w);
+    if (list) win_focus(list);
 }
 
-void win_next() {
+void win_prev(const Arg arg) {
-    win_current();
+    if (!cur) return;
 
-    for win if (c->w == cur) {
+    XRaiseWindow(d, cur->prev->w);
-        c = c->next ? c->next : list;
+    win_focus(cur->prev);
+}
 
-        win_focus(c->w);
+void win_next(const Arg arg) {
-        XRaiseWindow(d, c->w);
+    if (!cur) return;
-        return;
+
-    }
+    XRaiseWindow(d, cur->next->w);
+    win_focus(cur->next);
 }
 
 void ws_go(const Arg arg) {
@@ -242,15 +184,15 @@ void ws_go(const Arg arg) {
     ws_save(ws);
     ws_sel(arg.i);
 
-    if (list) for win XMapWindow(d, c->w);
+    for win XMapWindow(d, c->w);
 
     ws_sel(tmp);
 
-    if (list) for win XUnmapWindow(d, c->w);
+    for win XUnmapWindow(d, c->w);
 
     ws_sel(arg.i);
 
-    if (list) win_focus(list->w);
+    if (list) win_focus(list); else cur = 0;
 }
 
 void configure_request(XEvent *e) {
@@ -271,12 +213,22 @@ void map_request(XEvent *e) {
 
     XSelectInput(d, w, StructureNotifyMask|EnterWindowMask);
     win_size(w, &wx, &wy, &ww, &wh);
+    win_add(w);
+    cur = list->prev;
 
-    if (wx == 0 && wy == 0) win_center((Arg){.i = w});
+    if (wx + wy == 0) win_center((Arg){0});
 
     XMapWindow(d, w);
-    win_focus(w);
+    win_focus(list->prev);
-    win_add(w);
+}
+
+void mapping_notify(XEvent *e) {
+    XMappingEvent *ev = &e->xmapping;
+
+    if (ev->request == MappingKeyboard || ev->request == MappingModifier) {
+        XRefreshKeyboardMapping(ev);
+        input_grab(root);
+    }
 }
 
 void run(const Arg arg) {
@@ -287,6 +239,34 @@ void run(const Arg arg) {
     execvp((char*)arg.com[0], (char**)arg.com);
 }
 
+void input_grab(Window root) {
+    unsigned int i, j, modifiers[] = {0, LockMask, numlock, numlock|LockMask};
+    XModifierKeymap *modmap = XGetModifierMapping(d);
+    KeyCode code;
+
+    for (i = 0; i < 8; i++)
+        for (int k = 0; k < modmap->max_keypermod; k++)
+            if (modmap->modifiermap[i * modmap->max_keypermod + k]
+                == XKeysymToKeycode(d, 0xff7f))
+                numlock = (1 << i);
+
+    XUngrabKey(d, AnyKey, AnyModifier, root);
+
+    for (i = 0; i < sizeof(keys)/sizeof(*keys); i++)
+        if ((code = XKeysymToKeycode(d, keys[i].keysym)))
+            for (j = 0; j < sizeof(modifiers)/sizeof(*modifiers); j++)
+                XGrabKey(d, code, keys[i].mod | modifiers[j], root,
+                        True, GrabModeAsync, GrabModeAsync);
+
+    for (i = 1; i < 4; i += 2)
+        for (j = 0; j < sizeof(modifiers)/sizeof(*modifiers); j++)
+            XGrabButton(d, i, MOD | modifiers[j], root, True,
+                ButtonPressMask|ButtonReleaseMask|PointerMotionMask,
+                GrabModeAsync, GrabModeAsync, 0, 0);
+
+    XFreeModifiermap(modmap);
+}
+
 int main(void) {
     XEvent ev;
 
@@ -302,16 +282,8 @@ int main(void) {
 
     XSelectInput(d,  root, SubstructureRedirectMask);
     XDefineCursor(d, root, XCreateFontCursor(d, 68));
+    input_grab(root);
 
-    for (unsigned int i=0; i < sizeof(keys)/sizeof(*keys); ++i)
+    while (1 && !XNextEvent(d, &ev)) // 1 && will forever be here.
-        XGrabKey(d, XKeysymToKeycode(d, keys[i].keysym), keys[i].mod,
-                 root, True, GrabModeAsync, GrabModeAsync);
-
-    for (int i=1; i<4; i+=2)
-        XGrabButton(d, i, MOD, root, True,
-            ButtonPressMask|ButtonReleaseMask|PointerMotionMask,
-            GrabModeAsync, GrabModeAsync, 0, 0);
-
-    while (1 && !XNextEvent(d, &ev))
         if (events[ev.type]) events[ev.type](&ev);
 }

sowm.h

@@ -0,0 +1,58 @@
+#include <X11/Xlib.h>
+
+#define win        (client *t=0, *c=list; c && t!=list->prev; t=c, c=c->next)
+#define ws_save(W) ws_list[W] = list
+#define ws_sel(W)  list = ws_list[ws = W]
+#define MAX(a, b)  ((a) > (b) ? (a) : (b))
+
+#define win_size(W, gx, gy, gw, gh) \
+    XGetGeometry(d, W, &(Window){0}, gx, gy, gw, gh, \
+                 &(unsigned int){0}, &(unsigned int){0})
+
+// Taken from DWM. Many thanks. https://git.suckless.org/dwm
+#define mod_clean(mask) (mask & ~(numlock|LockMask) & \
+        (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
+
+typedef struct {
+    const char** com;
+    const int i;
+    const Window w;
+} Arg;
+
+struct key {
+    unsigned int mod;
+    KeySym keysym;
+    void (*function)(const Arg arg);
+    const Arg arg;
+};
+
+typedef struct client {
+    struct client *next, *prev;
+    int f, wx, wy;
+    unsigned int ww, wh;
+    Window w;
+} client;
+
+void button_press(XEvent *e);
+void button_release(XEvent *e);
+void configure_request(XEvent *e);
+void input_grab(Window root);
+void key_press(XEvent *e);
+void map_request(XEvent *e);
+void mapping_notify(XEvent *e);
+void notify_destroy(XEvent *e);
+void notify_enter(XEvent *e);
+void notify_motion(XEvent *e);
+void run(const Arg arg);
+void win_add(Window w);
+void win_center(const Arg arg);
+void win_del(Window w);
+void win_fs(const Arg arg);
+void win_focus(client *c);
+void win_kill(const Arg arg);
+void win_prev(const Arg arg);
+void win_next(const Arg arg);
+void win_to_ws(const Arg arg);
+void ws_go(const Arg arg);
+
+static int xerror() { return 0; }