-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+/* (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
* See LICENSE file for license details.
*/
-
-#include <math.h>
+#include "dwm.h"
#include <stdlib.h>
#include <string.h>
#include <X11/Xatom.h>
+#include <X11/Xutil.h>
-#include "util.h"
-#include "wm.h"
+/* static functions */
-void
-max(void *aux)
-{
- if(!stack)
- return;
- stack->x = sx;
- stack->y = bh;
- stack->w = sw - 2 * stack->border;
- stack->h = sh - bh - 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;
}
-void
-arrange(void *aux)
-{
- Client *c;
- int n, cols, rows, gw, gh, i, j;
- float rt, fd;
-
- 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 * c->border) / cols;
- gh = (sh - bh - 2 * c->border) / rows;
+static void
+grabbuttons(Client *c, Bool focused) {
+ XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
- for(i = j = 0, c = clients; c; c = c->next) {
- c->x = i * gw;
- c->y = j * gh + bh;
- c->w = gw;
- c->h = gh;
- resize(c);
- if(++i == cols) {
- j++;
- i = 0;
- }
+ 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);
}
- discard_events(EnterWindowMask);
+ else
+ XGrabButton(dpy, AnyButton, AnyModifier, c->win, False, BUTTONMASK,
+ GrabModeAsync, GrabModeSync, None, None);
}
-void
-sel(void *aux)
-{
- const char *arg = aux;
- Client *c = NULL;
-
- if(!arg || !stack)
- 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;
- raise(c);
- focus(c);
+static int
+xerrordummy(Display *dsply, XErrorEvent *ee) {
+ return 0;
}
-void
-kill(void *aux)
-{
- Client *c = stack;
+/* extern functions */
- if(!c)
- return;
- if(c->proto & WM_PROTOCOL_DELWIN)
- send_message(c->win, wm_atom[WMProtocols], wm_atom[WMDelete]);
- else
- XKillClient(dpy, c->win);
+void
+ban(Client *c) {
+ XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
+ XMoveWindow(dpy, c->twin, c->tx + 2 * sw, c->ty);
}
-static void
-resize_title(Client *c)
-{
- c->tw = textw(&brush.font, c->name) + bh;
- 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
+configure(Client *c) {
+ XEvent synev;
+
+ synev.type = ConfigureNotify;
+ synev.xconfigure.display = dpy;
+ synev.xconfigure.event = c->win;
+ synev.xconfigure.window = c->win;
+ synev.xconfigure.x = c->x;
+ synev.xconfigure.y = c->y;
+ synev.xconfigure.width = c->w;
+ synev.xconfigure.height = c->h;
+ synev.xconfigure.border_width = c->border;
+ synev.xconfigure.above = None;
+ XSendEvent(dpy, c->win, True, NoEventMask, &synev);
}
void
-update_name(Client *c)
-{
- XTextProperty name;
- int n;
- char **list = NULL;
+focus(Client *c) {
+ Client *old;
- 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(!issel || (c && !isvisible(c)))
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(!sel)
+ sel = c;
+ else if(sel != c) {
+ old = sel;
+ sel = c;
+ if(old) {
+ grabbuttons(old, False);
+ drawtitle(old);
}
}
- XFree(name.value);
- resize_title(c);
-}
-
-void
-update_size(Client *c)
-{
- XSizeHints size;
- long msize;
- 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;
+ if(c) {
+ detachstack(c);
+ c->snext = stack;
+ stack = c;
+ grabbuttons(c, True);
+ drawtitle(c);
+ XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
}
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 & PWinGravity)
- c->grav = size.win_gravity;
- else
- c->grav = NorthWestGravity;
-}
-
-void
-raise(Client *c)
-{
- XRaiseWindow(dpy, c->win);
- XRaiseWindow(dpy, c->title);
+ XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
}
-void
-lower(Client *c)
-{
- XLowerWindow(dpy, c->title);
- XLowerWindow(dpy, c->win);
-}
-
-void
-focus(Client *c)
-{
- Client **l, *old;
+Client *
+getclient(Window w) {
+ Client *c;
- old = stack;
- for(l = &stack; *l && *l != c; l = &(*l)->snext);
- eassert(*l == c);
- *l = c->snext;
- c->snext = stack;
- stack = c;
- if(old && old != c) {
- XMapWindow(dpy, old->title);
- draw_client(old);
- }
- XUnmapWindow(dpy, c->title);
- draw_client(c);
- XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
- XFlush(dpy);
+ for(c = clients; c; c = c->next)
+ if(c->win == w)
+ return c;
+ return NULL;
}
-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;
- if(c->y < bh)
- c->ty = c->y += bh;
- c->tw = c->w = wa->width;
- c->h = wa->height;
- c->th = bh;
- 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->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);
+Client *
+getctitle(Window w) {
+ Client *c;
- for(l=&clients; *l; l=&(*l)->next);
- c->next = *l; /* *l == nil */
- *l = c;
- c->snext = stack;
- stack = 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);
- resize(c);
- focus(c);
+ for(c = clients; c; c = c->next)
+ if(c->twin == w)
+ return c;
+ return NULL;
}
void
-gravitate(Client *c, Bool invert)
-{
+gravitate(Client *c, Bool invert) {
int dx = 0, dy = 0;
switch(c->grav) {
+ default:
+ break;
case StaticGravity:
case NorthWestGravity:
case NorthGravity:
case SouthEastGravity:
case SouthGravity:
case SouthWestGravity:
- dy = -c->h;
- break;
- default:
+ dy = -(c->h);
break;
}
-
switch (c->grav) {
+ default:
+ break;
case StaticGravity:
case NorthWestGravity:
case WestGravity:
case SouthEastGravity:
dx = -(c->w + c->border);
break;
- default:
- break;
}
-
if(invert) {
dx = -dx;
dy = -dy;
}
void
-resize(Client *c)
-{
- XConfigureEvent e;
-
- 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 *dpy, XErrorEvent *error)
-{
- return 0;
+killclient(Arg *arg) {
+ if(!sel)
+ return;
+ if(sel->proto & PROTODELWIN)
+ sendevent(sel->win, wmatom[WMProtocols], wmatom[WMDelete]);
+ else
+ XKillClient(dpy, sel->win);
}
void
-unmanage(Client *c)
-{
- Client **l;
-
- XGrabServer(dpy);
- XSetErrorHandler(dummy_error_handler);
-
- XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
- XDestroyWindow(dpy, c->title);
+manage(Window w, XWindowAttributes *wa) {
+ Client *c;
+ Window trans;
+ XSetWindowAttributes twa;
- for(l=&clients; *l && *l != c; l=&(*l)->next);
- eassert(*l == c);
- *l = c->next;
- for(l=&stack; *l && *l != c; l=&(*l)->snext);
- eassert(*l == c);
- *l = c->snext;
- free(c);
+ c = emallocz(sizeof(Client));
+ c->tags = emallocz(ntags * sizeof(Bool));
+ c->win = w;
+ c->border = 0;
+ c->x = c->tx = wa->x;
+ c->y = c->ty = wa->y;
+ c->w = c->tw = wa->width;
+ c->h = wa->height;
+ c->th = bh;
+ updatesize(c);
+ if(c->x + c->w + 2 * BORDERPX > sw)
+ c->x = sw - c->w - 2 * BORDERPX;
+ if(c->x < sx)
+ c->x = sx;
+ if(c->y + c->h + 2 * BORDERPX > sh)
+ c->y = sh - c->h - 2 * BORDERPX;
+ if(c->h != sh && c->y < bh)
+ c->y = bh;
+ c->proto = getproto(c->win);
+ XSelectInput(dpy, c->win,
+ StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
+ XGetTransientForHint(dpy, c->win, &trans);
+ twa.override_redirect = 1;
+ twa.background_pixmap = ParentRelative;
+ twa.event_mask = ExposureMask | EnterWindowMask;
+ c->twin = XCreateWindow(dpy, root, c->tx, c->ty, c->tw, c->th,
+ 0, DefaultDepth(dpy, screen), CopyFromParent,
+ DefaultVisual(dpy, screen),
+ CWOverrideRedirect | CWBackPixmap | CWEventMask, &twa);
+ grabbuttons(c, False);
+ updatetitle(c);
+ settags(c, getclient(trans));
+ if(!c->isfloat)
+ c->isfloat = trans || c->isfixed;
+ resizetitle(c);
+ if(clients)
+ clients->prev = c;
+ c->next = clients;
+ c->snext = stack;
+ stack = clients = c;
+ ban(c);
+ XMapWindow(dpy, c->win);
+ XMapWindow(dpy, c->twin);
+ if(isvisible(c))
+ focus(c);
+ arrange();
+}
- XFlush(dpy);
- XSetErrorHandler(error_handler);
- XUngrabServer(dpy);
- if(stack)
- focus(stack);
+void
+resize(Client *c, Bool sizehints, Corner sticky) {
+ int bottom = c->y + c->h;
+ int right = c->x + c->w;
+ XWindowChanges wc;
+
+ if(sizehints) {
+ 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;
+ }
+ if(sticky == TopRight || sticky == BotRight)
+ c->x = right - c->w;
+ if(sticky == BotLeft || sticky == BotRight)
+ c->y = bottom - c->h;
+ /* offscreen appearance fixes */
+ if(c->x + c->w < sx)
+ c->x = sx;
+ 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;
+ wc.width = c->w;
+ wc.height = c->h;
+ if(c->w == sw && c->h == sh)
+ wc.border_width = 0;
+ else
+ wc.border_width = BORDERPX;
+ XConfigureWindow(dpy, c->win, CWX | CWY | CWWidth | CWHeight | CWBorderWidth, &wc);
+ configure(c);
+ XSync(dpy, False);
}
-Client *
-gettitle(Window w)
-{
- Client *c;
- for(c = clients; c; c = c->next)
- if(c->title == w)
- return c;
- return NULL;
+void
+resizetitle(Client *c) {
+ c->tw = textw(c->name);
+ if(c->tw > c->w)
+ c->tw = c->w + 2 * BORDERPX;
+ c->tx = c->x + c->w - c->tw + 2 * BORDERPX;
+ c->ty = c->y;
+ if(isvisible(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);
}
-Client *
-getclient(Window w)
-{
- Client *c;
- for(c = clients; c; c = c->next)
- if(c->win == w)
- return c;
- return NULL;
+void
+updatesize(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;
+ c->isfixed = (c->maxw && c->minw && c->maxh && c->minh &&
+ c->maxw == c->minw && c->maxh == c->minh);
+ if(c->flags & PWinGravity)
+ c->grav = size.win_gravity;
+ else
+ c->grav = NorthWestGravity;
}
void
-draw_client(Client *c)
-{
- if(c == stack) {
- draw_bar();
+updatetitle(Client *c) {
+ char **list = NULL;
+ int n;
+ XTextProperty name;
+
+ 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);
+ }
}
+ XFree(name.value);
+}
- brush.x = brush.y = 0;
- brush.w = c->tw;
- brush.h = c->th;
+void
+unmanage(Client *c) {
+ Client *nc;
- draw(dpy, &brush, True, c->name);
- XCopyArea(dpy, brush.drawable, c->title, brush.gc,
- 0, 0, c->tw, c->th, 0, 0);
- XFlush(dpy);
+ /* 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);
+ XDestroyWindow(dpy, c->twin);
+ free(c->tags);
+ free(c);
+ XSync(dpy, False);
+ XSetErrorHandler(xerror);
+ XUngrabServer(dpy);
+ arrange();
}