* To understand everything else, start reading main().
*/
#include <errno.h>
-#include <locale.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
static void grabbuttons(Client *c, Bool focused);
static void grabkeys(void);
static void initfont(const char *fontstr);
-static Bool isoccupied(unsigned int t);
static Bool isprotodel(Client *c);
-static Bool isurgent(unsigned int t);
static void keypress(XEvent *e);
static void killclient(const Arg *arg);
static void manage(Window w, XWindowAttributes *wa);
/* variables */
static char stext[256];
-static int screen, sx, sy, sw, sh;
-static int by, bh, blw, wx, wy, ww, wh;
+static int screen;
+static int sx, sy, sw, sh; /* X display screen geometry x, y, width, height */
+static int by, bh, blw; /* bar geometry y, height and layout symbol width */
+static int wx, wy, ww, wh; /* window area geometry x, y, width, height, bar excluded */
static unsigned int seltags = 0, sellt = 0;
static int (*xerrorxlib)(Display *, XErrorEvent *);
static unsigned int numlockmask = 0;
[UnmapNotify] = unmapnotify
};
static Atom wmatom[WMLast], netatom[NetLast];
-static Bool otherwm, readin;
+static Bool otherwm;
static Bool running = True;
static unsigned int tagset[] = {1, 1}; /* after start, first tag is selected */
static Client *clients = NULL;
void
cleanup(void) {
- Arg a = {.i = ~0};
+ Arg a = {.ui = ~0};
Layout foo = { "", NULL };
close(STDIN_FILENO);
void
drawbar(void) {
- int i, x;
+ int x;
+ unsigned int i, occ = 0, urg = 0;
+ unsigned long *col;
+ Client *c;
+
+ for(c = clients; c; c = c->next) {
+ occ |= c->tags;
+ if(c->isurgent)
+ urg |= c->tags;
+ }
dc.x = 0;
for(i = 0; i < LENGTH(tags); i++) {
dc.w = TEXTW(tags[i]);
- if(tagset[seltags] & 1 << i) {
- drawtext(tags[i], dc.sel, isurgent(i));
- drawsquare(sel && sel->tags & 1 << i, isoccupied(i), isurgent(i), dc.sel);
- }
- else {
- drawtext(tags[i], dc.norm, isurgent(i));
- drawsquare(sel && sel->tags & 1 << i, isoccupied(i), isurgent(i), dc.norm);
- }
+ col = tagset[seltags] & 1 << i ? dc.sel : dc.norm;
+ drawtext(tags[i], col, urg & 1 << i);
+ drawsquare(sel && sel->tags & 1 << i, occ & 1 << i, urg & 1 << i, col);
dc.x += dc.w;
}
if(blw > 0) {
void
drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
+ char buf[256];
int i, x, y, h, len, olen;
XRectangle r = { dc.x, dc.y, dc.w, dc.h };
- char buf[256];
XSetForeground(dpy, dc.gc, col[invert ? ColFG : ColBG]);
XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
if(!text)
return;
olen = strlen(text);
- len = MIN(olen, sizeof buf);
- memcpy(buf, text, len);
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 */
- for(; len && (i = textnw(buf, len)) > dc.w - h; len--);
+ for(len = MIN(olen, sizeof buf); len && textnw(text, len) > dc.w - h; len--);
if(!len)
return;
+ memcpy(buf, text, len);
if(len < olen)
for(i = len; i && i > len - 3; buf[--i] = '.');
XSetForeground(dpy, dc.gc, col[invert ? ColBG : ColFG]);
if(buttons[i].click == ClkClientWin)
for(j = 0; j < LENGTH(modifiers); j++)
XGrabButton(dpy, buttons[i].button, buttons[i].mask | modifiers[j], c->win, False, BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
- } else
+ } else
XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
}
void
grabkeys(void) {
unsigned int i, j;
- KeyCode code;
XModifierKeymap *modmap;
- /* init modifier map */
+ /* update modifier map */
modmap = XGetModifierMapping(dpy);
for(i = 0; i < 8; i++)
- for(j = 0; j < modmap->max_keypermod; j++) {
+ for(j = 0; j < modmap->max_keypermod; j++)
if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock))
numlockmask = (1 << i);
- }
XFreeModifiermap(modmap);
- XUngrabKey(dpy, AnyKey, AnyModifier, root);
- for(i = 0; i < LENGTH(keys); i++) {
- code = XKeysymToKeycode(dpy, keys[i].keysym);
- XGrabKey(dpy, code, keys[i].mod, root, True,
- GrabModeAsync, GrabModeAsync);
- XGrabKey(dpy, code, keys[i].mod|LockMask, root, True,
- GrabModeAsync, GrabModeAsync);
- XGrabKey(dpy, code, keys[i].mod|numlockmask, root, True,
- GrabModeAsync, GrabModeAsync);
- XGrabKey(dpy, code, keys[i].mod|numlockmask|LockMask, root, True,
- GrabModeAsync, GrabModeAsync);
+ { /* grab keys */
+ unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
+ KeyCode code;
+
+ XUngrabKey(dpy, AnyKey, AnyModifier, root);
+ for(i = 0; i < LENGTH(keys); i++) {
+ code = XKeysymToKeycode(dpy, keys[i].keysym);
+ for(j = 0; j < LENGTH(modifiers); j++)
+ XGrabKey(dpy, code, keys[i].mod | modifiers[j], root, True,
+ GrabModeAsync, GrabModeAsync);
+ }
}
}
int i, n;
missing = NULL;
- if(dc.font.set)
- XFreeFontSet(dpy, dc.font.set);
dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
if(missing) {
while(n--)
dc.font.height = dc.font.ascent + dc.font.descent;
}
-Bool
-isoccupied(unsigned int t) {
- Client *c;
-
- for(c = clients; c; c = c->next)
- if(c->tags & 1 << t)
- return True;
- return False;
-}
-
Bool
isprotodel(Client *c) {
int i, n;
return ret;
}
-Bool
-isurgent(unsigned int t) {
- Client *c;
-
- for(c = clients; c; c = c->next)
- if(c->isurgent && c->tags & 1 << t)
- return True;
- return False;
-}
-
void
keypress(XEvent *e) {
unsigned int i;
void
manage(Window w, XWindowAttributes *wa) {
Client *c, *t = NULL;
- Status rettrans;
- Window trans;
+ Window trans = None;
XWindowChanges wc;
if(!(c = calloc(1, sizeof(Client))))
if(c->w == sw && c->h == sh) {
c->x = sx;
c->y = sy;
- c->bw = wa->border_width;
+ c->bw = 0;
}
else {
if(c->x + c->w + 2 * c->bw > sx + sw)
XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
grabbuttons(c, False);
updatetitle(c);
- if((rettrans = XGetTransientForHint(dpy, w, &trans) == Success))
- for(t = clients; t && t->win != trans; t = t->next);
+ if(XGetTransientForHint(dpy, w, &trans))
+ t = getclient(trans);
if(t)
c->tags = t->tags;
else
applyrules(c);
if(!c->isfloating)
- c->isfloating = (rettrans == Success) || c->isfixed;
+ c->isfloating = trans != None || c->isfixed;
if(c->isfloating)
XRaiseWindow(dpy, c->win);
attach(c);
if(!(c = sel))
return;
restack();
- ocx = nx = c->x;
- ocy = ny = c->y;
+ ocx = c->x;
+ ocy = c->y;
if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
None, cursor[CurMove], CurrentTime) != GrabSuccess)
return;
XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui);
- for(;;) {
+ do {
XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
switch (ev.type) {
- case ButtonRelease:
- XUngrabPointer(dpy, CurrentTime);
- return;
case ConfigureRequest:
case Expose:
case MapRequest:
break;
}
}
+ while(ev.type != ButtonRelease);
+ XUngrabPointer(dpy, CurrentTime);
}
Client *
None, cursor[CurResize], CurrentTime) != GrabSuccess)
return;
XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
- for(;;) {
- XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask , &ev);
+ do {
+ XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
switch(ev.type) {
- case ButtonRelease:
- XWarpPointer(dpy, None, c->win, 0, 0, 0, 0,
- c->w + c->bw - 1, c->h + c->bw - 1);
- XUngrabPointer(dpy, CurrentTime);
- while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
- return;
case ConfigureRequest:
case Expose:
case MapRequest:
break;
}
}
+ while(ev.type != ButtonRelease);
+ XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
+ XUngrabPointer(dpy, CurrentTime);
+ while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}
void
/* main event loop, also reads status text from stdin */
XSync(dpy, False);
xfd = ConnectionNumber(dpy);
- readin = True;
offset = 0;
len = sizeof stext - 1;
sbuf[len] = stext[len] = '\0'; /* 0-terminator is never touched */
void
scan(void) {
unsigned int i, num;
- Window *wins, d1, d2;
+ Window d1, d2, *wins = NULL;
XWindowAttributes wa;
- wins = NULL;
if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
for(i = 0; i < num; i++) {
if(!XGetWindowAttributes(dpy, wins[i], &wa)
&& (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))
manage(wins[i], &wa);
}
+ if(wins)
+ XFree(wins);
}
- if(wins)
- XFree(wins);
}
void
XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
XSelectInput(dpy, root, wa.event_mask);
-
- /* grab keys */
grabkeys();
}
void
toggletag(const Arg *arg) {
- unsigned int mask = sel->tags ^ (arg->ui & TAGMASK);
+ unsigned int mask;
+ if (!sel)
+ return;
+
+ mask = sel->tags ^ (arg->ui & TAGMASK);
if(sel && mask) {
sel->tags = mask;
arrange();
void
updategeom(void) {
#ifdef XINERAMA
- int n;
- unsigned int xidx = 0;
+ int n, i = 0;
XineramaScreenInfo *info = NULL;
/* window area geometry */
- if(XineramaIsActive(dpy)) {
- info = XineramaQueryScreens(dpy, &n);
+ if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
if(n > 1) {
- int di, i, x, y;
+ int di, x, y;
unsigned int dui;
Window dummy;
if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
for(i = 0; i < n; i++)
- if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height)) {
- xidx = i;
+ if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
break;
- }
}
- wx = info[xidx].x_org;
- wy = showbar && topbar ? info[xidx].y_org + bh : info[xidx].y_org;
- ww = info[xidx].width;
- wh = showbar ? info[xidx].height - bh : info[xidx].height;
+ wx = info[i].x_org;
+ wy = showbar && topbar ? info[i].y_org + bh : info[i].y_org;
+ ww = info[i].width;
+ wh = showbar ? info[i].height - bh : info[i].height;
XFree(info);
}
else
void
view(const Arg *arg) {
- if(arg && (arg->i & TAGMASK) == tagset[seltags])
+ if((arg->ui & TAGMASK) == tagset[seltags])
return;
seltags ^= 1; /* toggle sel tagset */
- if(arg && (arg->ui & TAGMASK))
- tagset[seltags] = arg->i & TAGMASK;
+ if(arg->ui & TAGMASK)
+ tagset[seltags] = arg->ui & TAGMASK;
clearurgent();
arrange();
}
else if(argc != 1)
die("usage: dwm [-v]\n");
- if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
+ if(!XSupportsLocale())
fprintf(stderr, "warning: no locale support\n");
if(!(dpy = XOpenDisplay(0)))