man page fix

[dwm.git] / client.c

diff --git a/client.c b/client.c
index 8a8a99e..d5bc30e 100644 (file)
--- a/client.c
+++ b/client.c
@@ -11,11 +11,17 @@
 /* static functions */
 
 static void
-grabbuttons(Client *c, Bool focus)
-{
+detachstack(Client *c) {
+       Client **tc;
+       for(tc=&stack; *tc && *tc != c; tc=&(*tc)->snext);
+       *tc = c->snext;
+}
+
+static void
+grabbuttons(Client *c, Bool focused) {
        XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
 
-       if(focus) {
+       if(focused) {
                XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
                                GrabModeAsync, GrabModeSync, None, None);
                XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
@@ -46,12 +52,10 @@ grabbuttons(Client *c, Bool focus)
        else
                XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
                                GrabModeAsync, GrabModeSync, None, None);
-
 }
 
 static void
-resizetitle(Client *c)
-{
+resizetitle(Client *c) {
        c->tw = textw(c->name);
        if(c->tw > c->w)
                c->tw = c->w + 2;
@@ -61,36 +65,30 @@ resizetitle(Client *c)
                XMoveResizeWindow(dpy, c->twin, c->tx, c->ty, c->tw, c->th);
        else
                XMoveResizeWindow(dpy, c->twin, c->tx + 2 * sw, c->ty, c->tw, c->th);
-
 }
 
 static int
-xerrordummy(Display *dsply, XErrorEvent *ee)
-{
+xerrordummy(Display *dsply, XErrorEvent *ee) {
        return 0;
 }
 
 /* extern functions */
 
 void
-ban(Client *c)
-{
+ban(Client *c) {
        XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
        XMoveWindow(dpy, c->twin, c->tx + 2 * sw, c->ty);
 }
 
 void
-focus(Client *c)
-{
+focus(Client *c) {
        Client *old;
 
-       if(!issel)
+       if(!issel || (c && !isvisible(c)))
                return;
        if(!sel)
                sel = c;
        else if(sel != c) {
-               if(maximized)
-                       togglemax(NULL);
                old = sel;
                sel = c;
                if(old) {
@@ -99,6 +97,9 @@ focus(Client *c)
                }
        }
        if(c) {
+               detachstack(c);
+               c->snext = stack;
+               stack = c;
                grabbuttons(c, True);
                drawtitle(c);
                XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
@@ -108,8 +109,7 @@ focus(Client *c)
 }
 
 Client *
-getclient(Window w)
-{
+getclient(Window w) {
        Client *c;
 
        for(c = clients; c; c = c->next)
@@ -119,8 +119,7 @@ getclient(Window w)
 }
 
 Client *
-getctitle(Window w)
-{
+getctitle(Window w) {
        Client *c;
 
        for(c = clients; c; c = c->next)
@@ -130,8 +129,7 @@ getctitle(Window w)
 }
 
 void
-gravitate(Client *c, Bool invert)
-{
+gravitate(Client *c, Bool invert) {
        int dx = 0, dy = 0;
 
        switch(c->grav) {
@@ -185,8 +183,7 @@ gravitate(Client *c, Bool invert)
 }
 
 void
-killclient(Arg *arg)
-{
+killclient(Arg *arg) {
        if(!sel)
                return;
        if(sel->proto & PROTODELWIN)
@@ -196,10 +193,8 @@ killclient(Arg *arg)
 }
 
 void
-manage(Window w, XWindowAttributes *wa)
-{
-       unsigned int i;
-       Client *c, *tc;
+manage(Window w, XWindowAttributes *wa) {
+       Client *c;
        Window trans;
        XSetWindowAttributes twa;
 
@@ -213,7 +208,7 @@ manage(Window w, XWindowAttributes *wa)
        c->th = bh;
 
        c->border = 0;
-       setsize(c);
+       updatesize(c);
 
        if(c->x + c->w + 2 > sw)
                c->x = sw - c->w - 2;
@@ -238,11 +233,7 @@ manage(Window w, XWindowAttributes *wa)
                        CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
 
        grabbuttons(c, False);
-       if((tc = getclient(trans))) /* inherit tags */
-               for(i = 0; i < ntags; i++)
-                       c->tags[i] = tc->tags[i];
-       else
-               settags(c);
+       settags(c, getclient(trans));
        if(!c->isfloat)
                c->isfloat = trans
                        || (c->maxw && c->minw &&
@@ -251,19 +242,20 @@ manage(Window w, XWindowAttributes *wa)
        if(clients)
                clients->prev = c;
        c->next = clients;
-       clients = c;
+       c->snext = stack;
+       stack = clients = c;
 
-       settitle(c);
-       arrange(NULL);
+       updatetitle(c);
+       ban(c);
        XMapWindow(dpy, c->win);
        XMapWindow(dpy, c->twin);
        if(isvisible(c))
                focus(c);
+       arrange(NULL);
 }
 
 void
-resize(Client *c, Bool sizehints, Corner sticky)
-{
+resize(Client *c, Bool sizehints, Corner sticky) {
        int bottom = c->y + c->h;
        int right = c->x + c->w;
        XWindowChanges wc;
@@ -287,6 +279,16 @@ resize(Client *c, Bool sizehints, Corner sticky)
        if(sticky == BotLeft || sticky == BotRight)
                c->y = bottom - c->h;
 
+       /* offscreen appearance fixes */
+       if(c->x + c->w < 0)
+               c->x = 0;
+       if(c->y + c->h < bh)
+               c->y = bh;
+       if(c->x > sw)
+               c->x = sw - c->w;
+       if(c->y > sh)
+               c->y = sh - c->h;
+
        resizetitle(c);
        wc.x = c->x;
        wc.y = c->y;
@@ -296,13 +298,12 @@ resize(Client *c, Bool sizehints, Corner sticky)
                wc.border_width = 0;
        else
                wc.border_width = 1;
-       XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
+       XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
        XSync(dpy, False);
 }
 
 void
-setsize(Client *c)
-{
+updatesize(Client *c) {
        long msize;
        XSizeHints size;
 
@@ -340,8 +341,7 @@ setsize(Client *c)
 }
 
 void
-settitle(Client *c)
-{
+updatetitle(Client *c) {
        char **list = NULL;
        int n;
        XTextProperty name;
@@ -368,57 +368,18 @@ settitle(Client *c)
 }
 
 void
-togglemax(Arg *arg)
-{
-       int ox, oy, ow, oh;
-       Client *c;
-       XEvent ev;
-
-       if(!sel)
-               return;
+unmanage(Client *c) {
+       Client *nc;
 
-       if((maximized = !maximized)) {
-               ox = sel->x;
-               oy = sel->y;
-               ow = sel->w;
-               oh = sel->h;
-               sel->x = sx;
-               sel->y = sy + bh;
-               sel->w = sw - 2;
-               sel->h = sh - 2 - bh;
-
-               restack();
-               for(c = getnext(clients); c; c = getnext(c->next))
-                       if(c != sel)
-                               ban(c);
-               resize(sel, arrange == dofloat, TopLeft);
-
-               sel->x = ox;
-               sel->y = oy;
-               sel->w = ow;
-               sel->h = oh;
-       }
-       else
-               arrange(NULL);
-       while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
-}
-
-void
-unmanage(Client *c)
-{
-       Client *tc, *fc;
-       Window trans;
+       /* The server grab construct avoids race conditions. */
        XGrabServer(dpy);
        XSetErrorHandler(xerrordummy);
 
        detach(c);
+       detachstack(c);
        if(sel == c) {
-               XGetTransientForHint(dpy, c->win, &trans);
-               if(trans && (tc = getclient(trans)) && isvisible(tc))
-                       fc = tc;
-               else
-                       fc = getnext(clients);
-               focus(fc);
+               for(nc = stack; nc && !isvisible(nc); nc = nc->snext);
+               focus(nc);
        }
 
        XUngrabButton(dpy, AnyButton, AnyModifier, c->win);