- w = 0;
- olen = len = strlen(text);
- if(len >= sizeof buf)
- len = sizeof buf - 1;
- memcpy(buf, text, len);
- buf[len] = 0;
- h = dc.font.ascent + dc.font.descent;
- y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
- x = dc.x + (h / 2);
- /* shorten text if necessary */
- while(len && (w = textnw(buf, len)) > dc.w - h)
- buf[--len] = 0;
- if(len < olen) {
- if(len > 1)
- buf[len - 1] = '.';
- if(len > 2)
- buf[len - 2] = '.';
- if(len > 3)
- buf[len - 3] = '.';
- }
- if(w > dc.w)
- return; /* too long */
- XSetForeground(dpy, dc.gc, col[ColFG]);
- if(dc.font.set)
- XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
- else
- XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
-}
-
-static void
-drawbar(void) {
- int i, x;
-
- dc.x = dc.y = 0;
- for(i = 0; i < ntags; i++) {
- dc.w = textw(tags[i]);
- if(seltags[i]) {
- drawtext(tags[i], dc.sel);
- drawsquare(sel && sel->tags[i], isoccupied(i), dc.sel);
- }
- else {
- drawtext(tags[i], dc.norm);
- drawsquare(sel && sel->tags[i], isoccupied(i), dc.norm);
- }
- dc.x += dc.w;
- }
- dc.w = blw;
- drawtext(layouts[ltidx].symbol, dc.norm);
- x = dc.x + dc.w;
- dc.w = textw(stext);
- dc.x = sw - dc.w;
- if(dc.x < x) {
- dc.x = x;
- dc.w = sw - x;
- }
- drawtext(stext, dc.norm);
- if((dc.w = dc.x - x) > bh) {
- dc.x = x;
- if(sel) {
- drawtext(sel->name, dc.sel);
- drawsquare(sel->ismax, sel->isfloating, dc.sel);
- }
- else
- drawtext(NULL, dc.norm);
- }
- XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0);
- XSync(dpy, False);
-}
-
-static void
-initstyle(void) {
- dc.norm[ColBorder] = initcolor(NORMBORDERCOLOR);
- dc.norm[ColBG] = initcolor(NORMBGCOLOR);
- dc.norm[ColFG] = initcolor(NORMFGCOLOR);
- dc.sel[ColBorder] = initcolor(SELBORDERCOLOR);
- dc.sel[ColBG] = initcolor(SELBGCOLOR);
- dc.sel[ColFG] = initcolor(SELFGCOLOR);
- initfont(FONT);
- dc.h = bh = dc.font.height + 2;
-}
-
-static void
-initbar(void) {
- XSetWindowAttributes wa;
-
- wa.override_redirect = 1;
- wa.background_pixmap = ParentRelative;
- wa.event_mask = ButtonPressMask | ExposureMask;
- barwin = XCreateWindow(dpy, root, sx, sy, sw, bh, 0,
- DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen),
- CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
- XDefineCursor(dpy, barwin, cursor[CurNormal]);
- updatebarpos();
- XMapRaised(dpy, barwin);
- strcpy(stext, "dwm-"VERSION);
- dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
- dc.gc = XCreateGC(dpy, root, 0, 0);
- XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
- if(!dc.font.set)
- XSetFont(dpy, dc.gc, dc.font.xfont->fid);
-}
-
-static unsigned int
-textw(const char *text) {
- return textnw(text, strlen(text)) + dc.font.height;
-}
-
-static void
-togglebar(const char *arg) {
- if(bpos == BarOff)
- bpos = (BARPOS == BarOff) ? BarTop : BARPOS;
- else
- bpos = BarOff;
- updatebarpos();
- arrange();
-}
-
-static void
-updatebarpos(void) {
- XEvent ev;
-
- wax = sx;
- way = sy;
- wah = sh;
- waw = sw;
- switch(bpos) {
- default:
- wah -= bh;
- way += bh;
- XMoveWindow(dpy, barwin, sx, sy);
- break;
- case BarBot:
- wah -= bh;
- XMoveWindow(dpy, barwin, sx, sy + wah);
- break;
- case BarOff:
- XMoveWindow(dpy, barwin, sx, sy - bh);
- break;
- }
- XSync(dpy, False);
- while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
-}
-
-static void
-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 int
-xerrordummy(Display *dsply, XErrorEvent *ee) {
- return 0;
-}
-
-static void
-ban(Client *c) {
- if(c->isbanned)
- return;
- XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y);
- c->isbanned = True;
-}
-
-static 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);
-}
-
-static void
-killclient(const char *arg) {
- XEvent ev;
-
- if(!sel)
- return;
- 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, sel->win);
-}
-
-static void
-manage(Window w, XWindowAttributes *wa) {
- unsigned int i;
- 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;
- c->oldborder = wa->border_width;
- if(c->w == sw && c->h == sh) {
- c->x = sx;
- c->y = sy;
- c->border = wa->border_width;
- }
- else {
- 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;
- c->border = BORDERPX;
- }
- 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 */
- updatesizehints(c);
- XSelectInput(dpy, w,
- StructureNotifyMask | PropertyChangeMask | EnterWindowMask);
- grabbuttons(c, False);
- updatetitle(c);
- if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
- for(t = clients; t && t->win != trans; t = t->next);
- if(t)
- for(i = 0; i < ntags; i++)
- c->tags[i] = t->tags[i];
- applyrules(c);
- if(!c->isfloating)
- c->isfloating = (rettrans == Success) || c->isfixed;
- attach(c);
- attachstack(c);
- XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h); /* some windows require this */
- ban(c);
- XMapWindow(dpy, c->win);
- setclientstate(c, NormalState);
- arrange();
-}
-
-static void
-resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
- double dx, dy, max, min, ratio;
- XWindowChanges wc;
-
- if(sizehints) {
- if(c->minay > 0 && c->maxay > 0 && (h - c->baseh) > 0 && (w - c->basew) > 0) {
- dx = (double)(w - c->basew);
- dy = (double)(h - c->baseh);
- min = (double)(c->minax) / (double)(c->minay);
- max = (double)(c->maxax) / (double)(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;
- /* 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);
- }
-}
-
-static void
-unban(Client *c) {
- if(!c->isbanned)
- return;
- XMoveWindow(dpy, c->win, c->x, c->y);
- c->isbanned = False;
-}
-
-static void
-unmanage(Client *c) {
- XWindowChanges wc;
-
- wc.border_width = c->oldborder;
- /* The server grab construct avoids race conditions. */
- XGrabServer(dpy);
- XSetErrorHandler(xerrordummy);
- XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
- detach(c);
- detachstack(c);
- if(sel == c)
- focus(NULL);
- XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
- setclientstate(c, WithdrawnState);
- free(c->tags);
- free(c);
- XSync(dpy, False);
- XSetErrorHandler(xerror);
- XUngrabServer(dpy);
- arrange();
-}
-
-static 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 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->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 if(c->flags & PBaseSize) {
- c->minw = size.base_width;
- c->minh = size.base_height;
- }
- else
- c->minw = c->minh = 0;
- 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;
- }
- 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);
-}
-
-static void
-updatetitle(Client *c) {
- if(!gettextprop(c->win, netatom[NetWMName], c->name, sizeof c->name))
- gettextprop(c->win, wmatom[WMName], c->name, sizeof c->name);
-}
-
-static Client *
-getclient(Window w) {
- Client *c;
-
- for(c = clients; c && c->win != w; c = c->next);
- return c;
-}
-
-static void
-movemouse(Client *c) {
- int x1, y1, ocx, ocy, di, nx, ny;
- unsigned int dui;
- Window dummy;
- XEvent ev;
-
- ocx = nx = c->x;
- ocy = ny = c->y;
- if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
- None, cursor[CurMove], CurrentTime) != GrabSuccess)
- return;
- c->ismax = False;
- XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
- for(;;) {
- XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
- switch (ev.type) {
- case ButtonRelease:
- XUngrabPointer(dpy, CurrentTime);
- return;
- case ConfigureRequest:
- case Expose:
- case MapRequest:
- handler[ev.type](&ev);
- break;
- case MotionNotify:
- XSync(dpy, False);
- nx = ocx + (ev.xmotion.x - x1);
- ny = ocy + (ev.xmotion.y - y1);
- if(abs(wax + nx) < SNAP)
- nx = wax;
- else if(abs((wax + waw) - (nx + c->w + 2 * c->border)) < SNAP)
- nx = wax + waw - c->w - 2 * c->border;
- if(abs(way - ny) < SNAP)
- ny = way;
- else if(abs((way + wah) - (ny + c->h + 2 * c->border)) < SNAP)
- ny = way + wah - c->h - 2 * c->border;
- resize(c, nx, ny, c->w, c->h, False);
- break;
Got questions, comments, patches, etc.? Contact Jason Woofenden