-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-
-#include <math.h>
+/* © 2006-2007 Anselm R. Garbe <garbeam at gmail dot com>
+ * © 2006-2007 Sander van Dijk <a dot h dot vandijk 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 "wm.h"
+/* static */
-void (*arrange)(void *aux);
+static void
+attachstack(Client *c) {
+ c->snext = stack;
+ stack = c;
+}
-void
-max(void *aux)
-{
- if(!stack)
- return;
- stack->x = sx;
- stack->y = sy;
- stack->w = sw - 2 * stack->border;
- stack->h = sh - 2 * stack->border;
- resize(stack);
- discard_events(EnterWindowMask);
+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 int
+xerrordummy(Display *dsply, XErrorEvent *ee) {
+ return 0;
+}
+
+/* extern */
+
void
-floating(void *aux)
-{
- Client *c;
-
- arrange = floating;
- for(c = stack; c; c = c->snext)
- resize(c);
- discard_events(EnterWindowMask);
+attach(Client *c) {
+ if(clients)
+ clients->prev = c;
+ c->next = clients;
+ clients = c;
}
void
-grid(void *aux)
-{
- Client *c;
- int n, cols, rows, gw, gh, i, j;
- float rt, fd;
-
- arrange = grid;
- if(!clients)
- return;
- for(n = 0, c = clients; c; c = c->next, n++);
- rt = sqrt(n);
- if(modff(rt, &fd) < 0.5)
- rows = floor(rt);
- else
- rows = ceil(rt);
- if(rows * rows < n)
- cols = rows + 1;
- else
- cols = rows;
-
- gw = (sw - 2) / cols;
- gh = (sh - 2) / rows;
-
- for(i = j = 0, c = clients; c; c = c->next) {
- c->x = i * gw;
- c->y = j * gh;
- c->w = gw;
- c->h = gh;
- resize(c);
- if(++i == cols) {
- j++;
- i = 0;
- }
- }
- discard_events(EnterWindowMask);
+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
-sel(void *aux)
-{
- const char *arg = aux;
- Client *c = NULL;
+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;
+}
- if(!arg || !stack)
+void
+focus(Client *c) {
+ if(c && !isvisible(c))
return;
- if(!strncmp(arg, "next", 5))
- c = stack->snext ? stack->snext : stack;
- else if(!strncmp(arg, "prev", 5))
- for(c = stack; c && c->snext; c = c->snext);
- if(!c)
- c = stack;
- craise(c);
- focus(c);
+ 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
-ckill(void *aux)
-{
- Client *c = stack;
+killclient(const char *arg) {
+ XEvent ev;
- if(!c)
+ if(!sel)
return;
- if(c->proto & WM_PROTOCOL_DELWIN)
- send_message(c->win, wm_atom[WMProtocols], wm_atom[WMDelete]);
+ if(isprotodel(sel)) {
+ ev.type = ClientMessage;
+ ev.xclient.window = sel->win;
+ ev.xclient.message_type = wmatom[WMProtocols];
+ ev.xclient.format = 32;
+ ev.xclient.data.l[0] = wmatom[WMDelete];
+ ev.xclient.data.l[1] = CurrentTime;
+ XSendEvent(dpy, sel->win, False, NoEventMask, &ev);
+ }
else
- XKillClient(dpy, c->win);
+ XKillClient(dpy, sel->win);
}
-static void
-resize_title(Client *c)
-{
- int i;
-
- c->tw = 0;
- for(i = 0; i < TLast; i++)
- if(c->tags[i])
- c->tw += textw(&brush.font, c->tags[i]) + brush.font.height;
- c->tw += textw(&brush.font, c->name) + brush.font.height;
- if(c->tw > c->w)
- c->tw = c->w + 2;
- c->tx = c->x + c->w - c->tw + 2;
- c->ty = c->y;
- XMoveResizeWindow(dpy, c->title, c->tx, c->ty, c->tw, c->th);
+void
+manage(Window w, XWindowAttributes *wa) {
+ Client *c, *t = NULL;
+ Window trans;
+ Status rettrans;
+ 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);
+ 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);
+ if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
+ for(t = clients; t && t->win != trans; t = t->next);
+ settags(c, t);
+ if(!c->isfloating)
+ c->isfloating = (rettrans == Success) || 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();
}
void
-update_name(Client *c)
-{
- XTextProperty name;
- int n;
- char **list = NULL;
+resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
+ float dx, dy, max, min, ratio;
+ XWindowChanges wc;
- name.nitems = 0;
- c->name[0] = 0;
- XGetTextProperty(dpy, c->win, &name, net_atom[NetWMName]);
- if(!name.nitems)
- XGetWMName(dpy, c->win, &name);
- if(!name.nitems)
+ if(w <= 0 || h <= 0)
return;
- if(name.encoding == XA_STRING)
- strncpy(c->name, (char *)name.value, sizeof(c->name));
- else {
- if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
- && n > 0 && *list)
- {
- strncpy(c->name, *list, sizeof(c->name));
- XFreeStringList(list);
+ if(sizehints) {
+ if(c->minay > 0 && c->maxay > 0 && (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);
+ ratio = dx / dy;
+ if(max > 0 && min > 0 && ratio > 0) {
+ if(ratio < min) {
+ dy = (dx * min + dy) / (min * min + 1);
+ dx = dy * min;
+ w = (int)dx + c->basew;
+ h = (int)dy + c->baseh;
+ }
+ else if(ratio > max) {
+ dy = (dx * min + dy) / (max * max + 1);
+ dx = dy * min;
+ w = (int)dx + c->basew;
+ h = (int)dy + c->baseh;
+ }
+ }
}
+ 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;
+ if(c->incw)
+ w -= (w - c->basew) % c->incw;
+ if(c->inch)
+ h -= (h - c->baseh) % c->inch;
+ }
+ if(w <= 0 || h <= 0)
+ return;
+ 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);
}
- XFree(name.value);
- resize_title(c);
}
void
-update_size(Client *c)
-{
- XSizeHints size;
+togglefloating(const char *arg) {
+ if(!sel || lt->arrange == floating)
+ return;
+ sel->isfloating = !sel->isfloating;
+ lt->arrange();
+}
+
+void
+updatesizehints(Client *c) {
long msize;
+ XSizeHints size;
+
if(!XGetWMNormalHints(dpy, c->win, &size, &msize) || !size.flags)
size.flags = PSize;
c->flags = size.flags;
c->basew = size.base_width;
c->baseh = size.base_height;
}
+ else if(c->flags & PMinSize) {
+ c->basew = size.min_width;
+ c->baseh = size.min_height;
+ }
else
c->basew = c->baseh = 0;
if(c->flags & PResizeInc) {
c->minw = size.min_width;
c->minh = size.min_height;
}
+ else if(c->flags & PBaseSize) {
+ c->minw = size.base_width;
+ c->minh = size.base_height;
+ }
else
c->minw = c->minh = 0;
- if(c->flags & PWinGravity)
- c->grav = size.win_gravity;
- else
- c->grav = NorthWestGravity;
-}
-
-void
-craise(Client *c)
-{
- XRaiseWindow(dpy, c->win);
- XRaiseWindow(dpy, c->title);
-}
-
-void
-lower(Client *c)
-{
- XLowerWindow(dpy, c->title);
- XLowerWindow(dpy, c->win);
-}
-
-void
-focus(Client *c)
-{
- Client **l, *old;
-
- old = stack;
- for(l = &stack; *l && *l != c; l = &(*l)->snext);
- if(*l)
- *l = c->snext;
- c->snext = stack;
- stack = c;
- if(old && old != c) {
- XMapWindow(dpy, old->title);
- draw_client(old);
+ if(c->flags & PAspect) {
+ c->minax = size.min_aspect.x;
+ c->maxax = size.max_aspect.x;
+ c->minay = size.min_aspect.y;
+ c->maxay = size.max_aspect.y;
}
- XUnmapWindow(dpy, c->title);
- draw_client(c);
- XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
- XFlush(dpy);
-}
-
-void
-manage(Window w, XWindowAttributes *wa)
-{
- Client *c, **l;
- XSetWindowAttributes twa;
-
- c = emallocz(sizeof(Client));
- c->win = w;
- c->tx = c->x = wa->x;
- c->ty = c->y = wa->y;
- c->tw = c->w = wa->width;
- c->h = wa->height;
- c->th = th;
- c->border = 1;
- update_size(c);
- XSetWindowBorderWidth(dpy, c->win, 1);
- XSetWindowBorder(dpy, c->win, brush.border);
- XSelectInput(dpy, c->win,
- StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
- XGetTransientForHint(dpy, c->win, &c->trans);
- twa.override_redirect = 1;
- twa.background_pixmap = ParentRelative;
- twa.event_mask = ExposureMask;
-
- c->tags[tsel] = tags[tsel];
- c->title = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
- 0, DefaultDepth(dpy, screen), CopyFromParent,
- DefaultVisual(dpy, screen),
- CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
-
- update_name(c);
- for(l=&clients; *l; l=&(*l)->next);
- c->next = *l; /* *l == nil */
- *l = c;
- XMapRaised(dpy, c->win);
- XMapRaised(dpy, c->title);
- XGrabButton(dpy, Button1, Mod1Mask, c->win, False, ButtonPressMask,
- GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(dpy, Button2, Mod1Mask, c->win, False, ButtonPressMask,
- GrabModeAsync, GrabModeSync, None, None);
- XGrabButton(dpy, Button3, Mod1Mask, c->win, False, ButtonPressMask,
- GrabModeAsync, GrabModeSync, None, None);
- arrange(NULL);
- focus(c);
+ else
+ c->minax = c->maxax = c->minay = c->maxay = 0;
+ c->isfixed = (c->maxw && c->minw && c->maxh && c->minh
+ && c->maxw == c->minw && c->maxh == c->minh);
}
void
-gravitate(Client *c, Bool invert)
-{
- int dx = 0, dy = 0;
-
- switch(c->grav) {
- case StaticGravity:
- case NorthWestGravity:
- case NorthGravity:
- case NorthEastGravity:
- dy = c->border;
- break;
- case EastGravity:
- case CenterGravity:
- case WestGravity:
- dy = -(c->h / 2) + c->border;
- break;
- case SouthEastGravity:
- case SouthGravity:
- case SouthWestGravity:
- dy = -c->h;
- break;
- default:
- break;
- }
-
- switch (c->grav) {
- case StaticGravity:
- case NorthWestGravity:
- case WestGravity:
- case SouthWestGravity:
- dx = c->border;
- break;
- case NorthGravity:
- case CenterGravity:
- case SouthGravity:
- dx = -(c->w / 2) + c->border;
- break;
- case NorthEastGravity:
- case EastGravity:
- case SouthEastGravity:
- dx = -(c->w + c->border);
- break;
- default:
- break;
- }
+updatetitle(Client *c) {
+ char **list = NULL;
+ int n;
+ XTextProperty name;
- if(invert) {
- dx = -dx;
- dy = -dy;
+ name.nitems = 0;
+ c->name[0] = 0;
+ 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);
+ else {
+ if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success
+ && n > 0 && *list)
+ {
+ strncpy(c->name, *list, sizeof c->name);
+ XFreeStringList(list);
+ }
}
- c->x += dx;
- c->y += dy;
-}
-
-
-void
-resize(Client *c)
-{
- XConfigureEvent e;
-
- if(c->incw)
- c->w -= (c->w - c->basew) % c->incw;
- if(c->inch)
- c->h -= (c->h - c->baseh) % c->inch;
- if(c->minw && c->w < c->minw)
- c->w = c->minw;
- if(c->minh && c->h < c->minh)
- c->h = c->minh;
- if(c->maxw && c->w > c->maxw)
- c->w = c->maxw;
- if(c->maxh && c->h > c->maxh)
- c->h = c->maxh;
- resize_title(c);
- XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
- e.type = ConfigureNotify;
- e.event = c->win;
- e.window = c->win;
- e.x = c->x;
- e.y = c->y;
- e.width = c->w;
- e.height = c->h;
- e.border_width = c->border;
- e.above = None;
- e.override_redirect = False;
- XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&e);
- XFlush(dpy);
-}
-
-static int
-dummy_error_handler(Display *dsply, XErrorEvent *err)
-{
- return 0;
+ XFree(name.value);
}
void
-unmanage(Client *c)
-{
- Client **l;
+unmanage(Client *c) {
+ Client *nc;
+ /* The server grab construct avoids race conditions. */
XGrabServer(dpy);
- XSetErrorHandler(dummy_error_handler);
-
+ 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);
- XDestroyWindow(dpy, c->title);
-
- for(l=&clients; *l && *l != c; l=&(*l)->next);
- *l = c->next;
- for(l=&stack; *l && *l != c; l=&(*l)->snext);
- *l = c->snext;
+ setclientstate(c, WithdrawnState);
+ free(c->tags);
free(c);
-
- XFlush(dpy);
- XSetErrorHandler(error_handler);
+ XSync(dpy, False);
+ XSetErrorHandler(xerror);
XUngrabServer(dpy);
- arrange(NULL);
- if(stack)
- focus(stack);
-}
-
-Client *
-gettitle(Window w)
-{
- Client *c;
- for(c = clients; c; c = c->next)
- if(c->title == w)
- return c;
- return NULL;
-}
-
-Client *
-getclient(Window w)
-{
- Client *c;
- for(c = clients; c; c = c->next)
- if(c->win == w)
- return c;
- return NULL;
-}
-
-void
-draw_client(Client *c)
-{
- int i;
- if(c == stack)
- return;
-
- brush.x = brush.y = 0;
- brush.h = c->th;
-
- brush.w = 0;
- for(i = 0; i < TLast; i++) {
- if(c->tags[i]) {
- brush.x += brush.w;
- brush.w = textw(&brush.font, c->tags[i]) + brush.font.height;
- draw(&brush, True, c->tags[i]);
- }
- }
- brush.x += brush.w;
- brush.w = textw(&brush.font, c->name) + brush.font.height;
- draw(&brush, True, c->name);
- XCopyArea(dpy, brush.drawable, c->title, brush.gc,
- 0, 0, c->tw, c->th, 0, 0);
- XFlush(dpy);
+ lt->arrange();
}