*
* To understand everything else, start reading main().
*/
+#include "dwm.h"
+
#include <errno.h>
#include <locale.h>
-#include <regex.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/select.h>
+#include <sys/types.h>
#include <sys/wait.h>
+#include <regex.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
-#include <X11/Xlib.h>
#include <X11/Xproto.h>
#include <X11/Xutil.h>
#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
#define MOUSEMASK (BUTTONMASK | PointerMotionMask)
-/* enums */
-enum { BarTop, BarBot, BarOff }; /* bar position */
-enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
-enum { ColBorder, ColFG, ColBG, ColLast }; /* color */
-enum { NetSupported, NetWMName, NetLast }; /* EWMH atoms */
-enum { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */
-
-/* typedefs */
-typedef struct Client Client;
-struct Client {
- char name[256];
- int x, y, w, h;
- int rx, ry, rw, rh; /* revert geometry */
- int basew, baseh, incw, inch, maxw, maxh, minw, minh;
- int minax, maxax, minay, maxay;
- long flags;
- unsigned int border, oldborder;
- Bool isbanned, isfixed, ismax, isfloating, wasfloating;
- Bool *tags;
- Client *next;
- Client *prev;
- Client *snext;
- Window win;
-};
-
-typedef struct {
- int x, y, w, h;
- unsigned long norm[ColLast];
- unsigned long sel[ColLast];
- Drawable drawable;
- GC gc;
- struct {
- int ascent;
- int descent;
- int height;
- XFontSet set;
- XFontStruct *xfont;
- } font;
-} DC; /* draw context */
-
-typedef struct {
- unsigned long mod;
- KeySym keysym;
- void (*func)(const char *arg);
- const char *arg;
-} Key;
-
-typedef struct {
- const char *symbol;
- void (*arrange)(void);
-} Layout;
-
+/* local typedefs */
typedef struct {
const char *prop;
const char *tags;
regex_t *tagregex;
} Regs;
-/* forward declarations */
-void applyrules(Client *c);
-void arrange(void);
-void attach(Client *c);
-void attachstack(Client *c);
-void ban(Client *c);
-void buttonpress(XEvent *e);
-void checkotherwm(void);
-void cleanup(void);
-void compileregs(void);
-void configure(Client *c);
-void configurenotify(XEvent *e);
-void configurerequest(XEvent *e);
-void destroynotify(XEvent *e);
-void detach(Client *c);
-void detachstack(Client *c);
-void drawbar(void);
-void drawsquare(Bool filled, Bool empty, unsigned long col[ColLast]);
-void drawtext(const char *text, unsigned long col[ColLast]);
-void *emallocz(unsigned int size);
-void enternotify(XEvent *e);
-void eprint(const char *errstr, ...);
-void expose(XEvent *e);
-void floating(void); /* default floating layout */
-void focus(Client *c);
-void focusnext(const char *arg);
-void focusprev(const char *arg);
-Client *getclient(Window w);
-unsigned long getcolor(const char *colstr);
-long getstate(Window w);
-Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
-void grabbuttons(Client *c, Bool focused);
-unsigned int idxoftag(const char *tag);
-void initfont(const char *fontstr);
-Bool isarrange(void (*func)());
-Bool isoccupied(unsigned int t);
-Bool isprotodel(Client *c);
-Bool isvisible(Client *c);
-void keypress(XEvent *e);
-void killclient(const char *arg);
-void leavenotify(XEvent *e);
-void manage(Window w, XWindowAttributes *wa);
-void mappingnotify(XEvent *e);
-void maprequest(XEvent *e);
-void movemouse(Client *c);
-Client *nexttiled(Client *c);
-void propertynotify(XEvent *e);
-void quit(const char *arg);
-void resize(Client *c, int x, int y, int w, int h, Bool sizehints);
-void resizemouse(Client *c);
-void restack(void);
-void run(void);
-void scan(void);
-void setclientstate(Client *c, long state);
-void setlayout(const char *arg);
-void setmwfact(const char *arg);
-void setup(void);
-void spawn(const char *arg);
-void tag(const char *arg);
-unsigned int textnw(const char *text, unsigned int len);
-unsigned int textw(const char *text);
-void tile(void);
-void togglebar(const char *arg);
-void togglefloating(const char *arg);
-void togglemax(const char *arg);
-void toggletag(const char *arg);
-void toggleview(const char *arg);
-void unban(Client *c);
-void unmanage(Client *c);
-void unmapnotify(XEvent *e);
-void updatebarpos(void);
-void updatesizehints(Client *c);
-void updatetitle(Client *c);
-void view(const char *arg);
-int xerror(Display *dpy, XErrorEvent *ee);
-int xerrordummy(Display *dsply, XErrorEvent *ee);
-int xerrorstart(Display *dsply, XErrorEvent *ee);
-void zoom(const char *arg);
-
/* variables */
char stext[256];
double mwfact;
int screen, sx, sy, sw, sh, wax, way, waw, wah;
int (*xerrorxlib)(Display *, XErrorEvent *);
-unsigned int bh, bpos, ntags;
+unsigned int bh, bpos;
unsigned int blw = 0;
unsigned int ltidx = 0; /* default */
unsigned int nlayouts = 0;
Atom wmatom[WMLast], netatom[NetLast];
Bool otherwm, readin;
Bool running = True;
-Bool *seltags;
Bool selscreen = True;
Client *clients = NULL;
Client *sel = NULL;
/* configuration, allows nested code to access above variables */
#include "config.h"
+/* Statically define the number of tags. */
+unsigned int ntags = sizeof tags / sizeof tags[0];
+Bool seltags[sizeof tags / sizeof tags[0]] = {[0] = True};
+Bool prevtags[sizeof tags / sizeof tags[0]] = {[0] = True};
+
/* functions*/
void
applyrules(Client *c) {
if(ch.res_name)
XFree(ch.res_name);
if(!matched)
- for(i = 0; i < ntags; i++)
- c->tags[i] = seltags[i];
+ memcpy(c->tags, seltags, sizeof seltags);
}
void
movemouse(c);
}
else if(ev->button == Button2) {
- if(isarrange(tile) && !c->isfixed && c->isfloating)
+ if(ISTILE && !c->isfixed && c->isfloating)
togglefloating(NULL);
else
zoom(NULL);
XFreeCursor(dpy, cursor[CurMove]);
XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
XSync(dpy, False);
- free(seltags);
}
void
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->tags = emallocz(sizeof seltags);
c->win = w;
c->x = wa->x;
c->y = wa->y;
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];
+ memcpy(c->tags, t->tags, sizeof seltags);
applyrules(c);
if(!c->isfloating)
c->isfloating = (rettrans == Success) || c->isfixed;
void
resize(Client *c, int x, int y, int w, int h, Bool sizehints) {
double dx, dy, max, min, ratio;
- XWindowChanges wc;
+ 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;
- }
- }
+ /* set minimum possible */
+ if (w < 1)
+ w = 1;
+ if (h < 1)
+ h = 1;
+
+ /* temporarily remove base dimensions */
+ w -= c->basew;
+ h -= c->baseh;
+
+ /* adjust for aspect limits */
+ if (c->minay > 0 && c->maxay > 0 && c->minax > 0 && c->maxax > 0) {
+ if (w * c->maxay > h * c->maxax)
+ w = h * c->maxax / c->maxay;
+ else if (w * c->minay < h * c->minax)
+ h = w * c->minay / c->minax;
}
- if(c->minw && w < c->minw)
+
+ /* adjust for increment value */
+ if(c->incw)
+ w -= w % c->incw;
+ if(c->inch)
+ h -= h % c->inch;
+
+ /* restore base dimensions */
+ w += c->basew;
+ h += c->baseh;
+
+ if(c->minw > 0 && w < c->minw)
w = c->minw;
- if(c->minh && h < c->minh)
+ if(c->minh > 0 && h < c->minh)
h = c->minh;
- if(c->maxw && w > c->maxw)
+ if(c->maxw > 0 && w > c->maxw)
w = c->maxw;
- if(c->maxh && h > c->maxh)
+ if(c->maxh > 0 && 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;
setmwfact(const char *arg) {
double delta;
- if(!isarrange(tile))
+ if(!ISTILE)
return;
/* arg handling, manipulate mwfact */
if(arg == NULL)
void
setup(void) {
+ int d;
unsigned int i, j, mask;
Window w;
XModifierKeymap *modmap;
/* init tags */
compileregs();
- for(ntags = 0; tags[ntags]; ntags++);
- seltags = emallocz(sizeof(Bool) * ntags);
- seltags[0] = True;
/* init appearance */
dc.norm[ColBorder] = getcolor(NORMBORDERCOLOR);
XSetFont(dpy, dc.gc, dc.font.xfont->fid);
/* multihead support */
- selscreen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
+ selscreen = XQueryPointer(dpy, root, &w, &w, &d, &d, &d, &d, &mask);
}
void
void
tile(void) {
unsigned int i, n, nx, ny, nw, nh, mw, th;
- Client *c;
+ Client *c, *mc;
for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
n++;
nx = wax;
ny = way;
- for(i = 0, c = nexttiled(clients); c; c = nexttiled(c->next), i++) {
+ nw = 0; /* gcc stupidity requires this */
+ for(i = 0, c = mc = nexttiled(clients); c; c = nexttiled(c->next), i++) {
c->ismax = False;
if(i == 0) { /* master */
nw = mw - 2 * c->border;
else { /* tile window */
if(i == 1) {
ny = way;
- nx += mw;
+ nx += mc->w + 2 * mc->border;
+ nw = waw - nx - 2 * c->border;
}
- nw = waw - mw - 2 * c->border;
if(i + 1 == n) /* remainder */
nh = (way + wah) - ny - 2 * c->border;
else
}
resize(c, nx, ny, nw, nh, RESIZEHINTS);
if(n > 1 && th != wah)
- ny += nh + 2 * c->border;
+ ny = c->y + c->h + 2 * c->border;
}
}
seltags[i] = !seltags[i];
for(j = 0; j < ntags && !seltags[j]; j++);
if(j == ntags)
- seltags[i] = True; /* cannot toggle last view */
+ seltags[i] = True; /* at least one tag must be viewed */
arrange();
}
view(const char *arg) {
unsigned int i;
+ memcpy(prevtags, seltags, sizeof seltags);
for(i = 0; i < ntags; i++)
seltags[i] = arg == NULL;
i = idxoftag(arg);
}
void
+viewprevtag(const char *arg) {
+ static Bool tmptags[sizeof tags / sizeof tags[0]];
+
+ memcpy(tmptags, seltags, sizeof seltags);
+ memcpy(seltags, prevtags, sizeof seltags);
+ memcpy(prevtags, tmptags, sizeof seltags);
+ arrange();
+}
+
+void
zoom(const char *arg) {
Client *c;
- if(!sel || !isarrange(tile) || sel->isfloating)
+ if(!sel || !ISTILE || sel->isfloating)
return;
if((c = sel) == nexttiled(clients))
if(!(c = nexttiled(c->next)))
Got questions, comments, patches, etc.? Contact Jason Woofenden