-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
-
+#include "dwm.h"
+#include <stdlib.h>
#include <string.h>
#include <X11/Xatom.h>
+#include <X11/Xutil.h>
-#include "util.h"
-#include "wm.h"
+/* static */
static void
-update_client_name(Client *c)
-{
- XTextProperty name;
- int n;
+attachstack(Client *c) {
+ c->snext = stack;
+ stack = c;
+}
+
+static void
+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(focused) {
+ XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button1, MODKEY | LockMask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button1, MODKEY | numlockmask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button1, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+
+ XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button2, MODKEY | LockMask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button2, MODKEY | numlockmask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button2, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+
+ XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button3, MODKEY | LockMask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button3, MODKEY | numlockmask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ XGrabButton(dpy, Button3, MODKEY | numlockmask | LockMask, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+ }
+ else
+ XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
+}
+
+static Bool
+isprotodel(Client *c) {
+ int i, n;
+ Atom *protocols;
+ Bool ret = False;
+
+ if(XGetWMProtocols(dpy, c->win, &protocols, &n)) {
+ for(i = 0; !ret && i < n; i++)
+ if(protocols[i] == wmatom[WMDelete])
+ ret = True;
+ XFree(protocols);
+ }
+ return ret;
+}
+
+static void
+setclientstate(Client *c, long state) {
+ long data[] = {state, None};
+
+ XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
+ PropModeReplace, (unsigned char *)data, 2);
+}
+
+static void
+togglemax(Client *c) {
+ XEvent ev;
+
+ if(c->isfixed)
+ return;
+ if((c->ismax = !c->ismax)) {
+ c->rx = c->x;
+ c->ry = c->y;
+ c->rw = c->w;
+ c->rh = c->h;
+ resize(c, wax, way, waw - 2 * BORDERPX, wah - 2 * BORDERPX, True);
+ }
+ else
+ resize(c, c->rx, c->ry, c->rw, c->rh, True);
+ while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+}
+
+static int
+xerrordummy(Display *dsply, XErrorEvent *ee) {
+ return 0;
+}
+
+/* extern */
+
+void
+attach(Client *c) {
+ if(clients)
+ clients->prev = c;
+ c->next = clients;
+ clients = c;
+}
+
+void
+configure(Client *c) {
+ XConfigureEvent ce;
+
+ ce.type = ConfigureNotify;
+ ce.display = dpy;
+ ce.event = c->win;
+ ce.window = c->win;
+ ce.x = c->x;
+ ce.y = c->y;
+ ce.width = c->w;
+ ce.height = c->h;
+ ce.border_width = c->border;
+ ce.above = None;
+ ce.override_redirect = False;
+ XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
+}
+
+void
+detach(Client *c) {
+ if(c->prev)
+ c->prev->next = c->next;
+ if(c->next)
+ c->next->prev = c->prev;
+ if(c == clients)
+ clients = c->next;
+ c->next = c->prev = NULL;
+}
+
+void
+focus(Client *c) {
+ if(c && !isvisible(c))
+ return;
+ if(sel && sel != c) {
+ grabbuttons(sel, False);
+ XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
+ }
+ if(c) {
+ detachstack(c);
+ attachstack(c);
+ grabbuttons(c, True);
+ }
+ sel = c;
+ drawstatus();
+ if(!selscreen)
+ return;
+ if(c) {
+ XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
+ XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
+ }
+ else
+ XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
+}
+
+void
+focusnext(Arg *arg) {
+ Client *c;
+
+ if(!sel)
+ return;
+ for(c = sel->next; c && !isvisible(c); c = c->next);
+ if(!c)
+ for(c = clients; c && !isvisible(c); c = c->next);
+ if(c) {
+ focus(c);
+ restack();
+ }
+}
+
+void
+focusprev(Arg *arg) {
+ Client *c;
+
+ if(!sel)
+ return;
+ for(c = sel->prev; c && !isvisible(c); c = c->prev);
+ if(!c) {
+ for(c = clients; c && c->next; c = c->next);
+ for(; c && !isvisible(c); c = c->prev);
+ }
+ if(c) {
+ focus(c);
+ restack();
+ }
+}
+
+void
+killclient(Arg *arg) {
+ if(!sel)
+ return;
+ if(isprotodel(sel))
+ sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
+ else
+ XKillClient(dpy, sel->win);
+}
+
+void
+manage(Window w, XWindowAttributes *wa) {
+ Client *c, *t;
+ Window trans;
+ XWindowChanges wc;
+
+ c = emallocz(sizeof(Client));
+ c->tags = emallocz(ntags * sizeof(Bool));
+ c->win = w;
+ c->x = wa->x;
+ c->y = wa->y;
+ c->w = wa->width;
+ c->h = wa->height;
+ if(c->w == sw && c->h == sh) {
+ c->border = 0;
+ c->x = sx;
+ c->y = sy;
+ }
+ else {
+ c->border = BORDERPX;
+ if(c->x + c->w + 2 * c->border > wax + waw)
+ c->x = wax + waw - c->w - 2 * c->border;
+ if(c->y + c->h + 2 * c->border > way + wah)
+ c->y = way + wah - c->h - 2 * c->border;
+ if(c->x < wax)
+ c->x = wax;
+ if(c->y < way)
+ c->y = way;
+ }
+ updatesizehints(c);
+ XSelectInput(dpy, w,
+ StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
+ XGetTransientForHint(dpy, w, &trans);
+ grabbuttons(c, False);
+ wc.border_width = c->border;
+ XConfigureWindow(dpy, w, CWBorderWidth, &wc);
+ XSetWindowBorder(dpy, w, dc.norm[ColBorder]);
+ configure(c); /* propagates border_width, if size doesn't change */
+ updatetitle(c);
+ for(t = clients; t && t->win != trans; t = t->next);
+ settags(c, t);
+ if(!c->versatile)
+ c->versatile = (t != NULL) || c->isfixed;
+ attach(c);
+ attachstack(c);
+ c->isbanned = True;
+ XMoveWindow(dpy, w, c->x + 2 * sw, c->y);
+ XMapWindow(dpy, w);
+ setclientstate(c, NormalState);
+ if(isvisible(c))
+ focus(c);
+ lt->arrange();
+}
+
+Client *
+nexttiled(Client *c) {
+ for(; c && (c->versatile || !isvisible(c)); c = c->next);
+ return c;
+}
+
+void
+resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
+ float actual, dx, dy, max, min;
+ XWindowChanges wc;
+
+ if(w <= 0 || h <= 0)
+ return;
+ if(sizehints) {
+ if(c->minw && w < c->minw)
+ w = c->minw;
+ if(c->minh && h < c->minh)
+ h = c->minh;
+ if(c->maxw && w > c->maxw)
+ w = c->maxw;
+ if(c->maxh && h > c->maxh)
+ h = c->maxh;
+ /* inspired by algorithm from fluxbox */
+ if(c->minay > 0 && c->maxay && (h - c->baseh) > 0) {
+ dx = (float)(w - c->basew);
+ dy = (float)(h - c->baseh);
+ min = (float)(c->minax) / (float)(c->minay);
+ max = (float)(c->maxax) / (float)(c->maxay);
+ actual = dx / dy;
+ if(max > 0 && min > 0 && actual > 0) {
+ if(actual < min) {
+ dy = (dx * min + dy) / (min * min + 1);
+ dx = dy * min;
+ w = (int)dx + c->basew;
+ h = (int)dy + c->baseh;
+ }
+ else if(actual > max) {
+ dy = (dx * min + dy) / (max * max + 1);
+ dx = dy * min;
+ w = (int)dx + c->basew;
+ h = (int)dy + c->baseh;
+ }
+ }
+ }
+ if(c->incw)
+ w -= (w - c->basew) % c->incw;
+ if(c->inch)
+ h -= (h - c->baseh) % c->inch;
+ }
+ if(w == sw && h == sh)
+ c->border = 0;
+ else
+ c->border = BORDERPX;
+ /* offscreen appearance fixes */
+ if(x > sw)
+ x = sw - w - 2 * c->border;
+ if(y > sh)
+ y = sh - h - 2 * c->border;
+ if(x + w + 2 * c->border < sx)
+ x = sx;
+ if(y + h + 2 * c->border < sy)
+ y = sy;
+ if(c->x != x || c->y != y || c->w != w || c->h != h) {
+ c->x = wc.x = x;
+ c->y = wc.y = y;
+ c->w = wc.width = w;
+ c->h = wc.height = h;
+ wc.border_width = c->border;
+ XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
+ configure(c);
+ XSync(dpy, False);
+ }
+}
+
+void
+updatesizehints(Client *c) {
+ long msize;
+ XSizeHints size;
+
+ if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
+ size.flags = PSize;
+ c->flags = size.flags;
+ if(c->flags & PBaseSize) {
+ c->basew = size.base_width;
+ c->baseh = size.base_height;
+ }
+ else
+ c->basew = c->baseh = 0;
+ if(c->flags & PResizeInc) {
+ c->incw = size.width_inc;
+ c->inch = size.height_inc;
+ }
+ else
+ c->incw = c->inch = 0;
+ if(c->flags & PMaxSize) {
+ c->maxw = size.max_width;
+ c->maxh = size.max_height;
+ }
+ else
+ c->maxw = c->maxh = 0;
+ if(c->flags & PMinSize) {
+ c->minw = size.min_width;
+ c->minh = size.min_height;
+ }
+ else
+ c->minw = c->minh = 0;
+ if(c->flags & PAspect) {
+ c->minax = size.min_aspect.x;
+ c->minay = size.min_aspect.y;
+ c->maxax = size.max_aspect.x;
+ c->maxay = size.max_aspect.y;
+ }
+ else
+ c->minax = c->minay = c->maxax = c->maxay = 0;
+ c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
+ && c->maxw == c->minw && c->maxh == c->minh);
+}
+
+void
+updatetitle(Client *c) {
char **list = NULL;
+ int n;
+ XTextProperty name;
name.nitems = 0;
c->name[0] = 0;
- XGetTextProperty(dpy, c->win, &name, net_atom[NetWMName]);
+ XGetTextProperty(dpy, c->win, &name, netatom[NetWMName]);
if(!name.nitems)
XGetWMName(dpy, c->win, &name);
if(!name.nitems)
return;
if(name.encoding == XA_STRING)
- strncpy(c->name, (char *)name.value, sizeof(c->name));
+ strncpy(c->name, (char *)name.value, sizeof c->name);
else {
if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
- && n > 0 && *list)
+ && n > 0 && *list)
{
- strncpy(c->name, *list, sizeof(c->name));
+ strncpy(c->name, *list, sizeof c->name);
XFreeStringList(list);
}
}
XFree(name.value);
}
-Client *
-create_client(Window w, XWindowAttributes *wa)
-{
- Client *c;
- XSetWindowAttributes twa;
- long msize;
+void
+unmanage(Client *c) {
+ Client *nc;
- c = emallocz(sizeof(Client));
- c->win = w;
- c->r[RFloat].x = wa->x;
- c->r[RFloat].y = wa->y;
- c->r[RFloat].width = wa->width;
- c->r[RFloat].height = wa->height;
- c->border = wa->border_width;
- XSetWindowBorderWidth(dpy, c->win, 0);
- c->proto = win_proto(c->win);
- XGetTransientForHint(dpy, c->win, &c->trans);
- if(!XGetWMNormalHints(dpy, c->win, &c->size, &msize) || !c->size.flags)
- c->size.flags = PSize;
- c->fixedsize =
- (c->size.flags & PMinSize && c->size.flags & PMaxSize
- && c->size.min_width == c->size.max_width
- && c->size.min_height == c->size.max_height);
- XAddToSaveSet(dpy, c->win);
- update_client_name(c);
- twa.override_redirect = 1;
- twa.background_pixmap = ParentRelative;
- twa.event_mask = ExposureMask;
-
- c->title = XCreateWindow(dpy, root, c->r[RFloat].x, c->r[RFloat].y,
- c->r[RFloat].width, barrect.height, 0,
- DefaultDepth(dpy, screen), CopyFromParent,
- DefaultVisual(dpy, screen),
- CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
- XFlush(dpy);
-
-#if 0
- for(t=&client, i=0; *t; t=&(*t)->next, i++);
- c->next = *t; /* *t == nil */
- *t = c;
-#endif
- return c;
+ /* The server grab construct avoids race conditions. */
+ XGrabServer(dpy);
+ XSetErrorHandler(xerrordummy);
+ detach(c);
+ detachstack(c);
+ if(sel == c) {
+ for(nc = stack; nc && !isvisible(nc); nc = nc->snext);
+ focus(nc);
+ }
+ XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
+ setclientstate(c, WithdrawnState);
+ free(c->tags);
+ free(c);
+ XSync(dpy, False);
+ XSetErrorHandler(xerror);
+ XUngrabServer(dpy);
+ lt->arrange();
}
void
-manage(Client *c)
-{
- XMapRaised(dpy, c->win);
- XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
- XFlush(dpy);
+zoom(Arg *arg) {
+ unsigned int n;
+ Client *c;
+
+ if(!sel)
+ return;
+ if(sel->versatile || (lt->arrange == versatile)) {
+ togglemax(sel);
+ return;
+ }
+ for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
+ n++;
+ if((c = sel) == nexttiled(clients))
+ if(!(c = nexttiled(c->next)))
+ return;
+ detach(c);
+ attach(c);
+ focus(c);
+ lt->arrange();
}
Got questions, comments, patches, etc.? Contact Jason Woofenden