X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/0453c1d180ca868a740bcc032d2dac1f120f6c7e..3033d45d1c6d6f6c1a3fdfa546399f7f02f4a3e0:/dwm.c?ds=sidebyside
diff --git a/dwm.c b/dwm.c
index cce68cb..e07574a 100644
--- a/dwm.c
+++ b/dwm.c
@@ -25,8 +25,6 @@
*
* To understand everything else, start reading main().
*/
-#include "dwm.h"
-
#include <errno.h>
#include <locale.h>
#include <stdarg.h>
@@ -41,6 +39,7 @@
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
+#include <X11/Xlib.h>
#include <X11/Xproto.h>
#include <X11/Xutil.h>
@@ -56,6 +55,24 @@ 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];
@@ -94,7 +111,7 @@ typedef struct {
regex_t *tagregex;
} Regs;
-/* forward declarations */
+/* function declarations */
void applyrules(Client *c);
void arrange(void);
void attach(Client *c);
@@ -128,7 +145,6 @@ 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);
@@ -181,9 +197,6 @@ int screen, sx, sy, sw, sh, wax, way, waw, wah;
int (*xerrorxlib)(Display *, XErrorEvent *);
unsigned int bh, bpos;
unsigned int blw = 0;
-unsigned int ltidx = 0; /* default */
-unsigned int nlayouts = 0;
-unsigned int nrules = 0;
unsigned int numlockmask = 0;
void (*handler[LASTEvent]) (XEvent *) = {
[ButtonPress] = buttonpress,
@@ -200,6 +213,8 @@ void (*handler[LASTEvent]) (XEvent *) = {
[UnmapNotify] = unmapnotify
};
Atom wmatom[WMLast], netatom[NetLast];
+Bool domwfact = True;
+Bool dozoom = True;
Bool otherwm, readin;
Bool running = True;
Bool selscreen = True;
@@ -209,18 +224,14 @@ Client *stack = NULL;
Cursor cursor[CurLast];
Display *dpy;
DC dc = {0};
+Layout *layout = NULL;
Window barwin, root;
Regs *regs = 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*/
+/* function implementations */
void
applyrules(Client *c) {
static char buf[512];
@@ -234,10 +245,10 @@ applyrules(Client *c) {
snprintf(buf, sizeof buf, "%s:%s:%s",
ch.res_class ? ch.res_class : "",
ch.res_name ? ch.res_name : "", c->name);
- for(i = 0; i < nrules; i++)
+ for(i = 0; i < LENGTH(rules); i++)
if(regs[i].propregex && !regexec(regs[i].propregex, buf, 1, &tmp, 0)) {
c->isfloating = rules[i].isfloating;
- for(j = 0; regs[i].tagregex && j < ntags; j++) {
+ for(j = 0; regs[i].tagregex && j < LENGTH(tags); j++) {
if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
matched = True;
c->tags[j] = True;
@@ -261,7 +272,7 @@ arrange(void) {
unban(c);
else
ban(c);
- layouts[ltidx].arrange();
+ layout->arrange();
focus(NULL);
restack();
}
@@ -296,7 +307,7 @@ buttonpress(XEvent *e) {
if(barwin == ev->window) {
x = 0;
- for(i = 0; i < ntags; i++) {
+ for(i = 0; i < LENGTH(tags); i++) {
x += textw(tags[i]);
if(ev->x < x) {
if(ev->button == Button1) {
@@ -322,20 +333,20 @@ buttonpress(XEvent *e) {
if(CLEANMASK(ev->state) != MODKEY)
return;
if(ev->button == Button1) {
- if(isarrange(floating) || c->isfloating)
+ if((floating == layout->arrange) || c->isfloating)
restack();
else
togglefloating(NULL);
movemouse(c);
}
else if(ev->button == Button2) {
- if(ISTILE && !c->isfixed && c->isfloating)
+ if((floating != layout->arrange) && c->isfloating)
togglefloating(NULL);
else
zoom(NULL);
}
else if(ev->button == Button3 && !c->isfixed) {
- if(isarrange(floating) || c->isfloating)
+ if((floating == layout->arrange) || c->isfloating)
restack();
else
togglefloating(NULL);
@@ -389,9 +400,8 @@ compileregs(void) {
if(regs)
return;
- nrules = sizeof rules / sizeof rules[0];
- regs = emallocz(nrules * sizeof(Regs));
- for(i = 0; i < nrules; i++) {
+ regs = emallocz(LENGTH(rules) * sizeof(Regs));
+ for(i = 0; i < LENGTH(rules); i++) {
if(rules[i].prop) {
reg = emallocz(sizeof(regex_t));
if(regcomp(reg, rules[i].prop, REG_EXTENDED))
@@ -452,7 +462,7 @@ configurerequest(XEvent *e) {
c->ismax = False;
if(ev->value_mask & CWBorderWidth)
c->border = ev->border_width;
- if(c->isfixed || c->isfloating || isarrange(floating)) {
+ if(c->isfixed || c->isfloating || (floating == layout->arrange)) {
if(ev->value_mask & CWX)
c->x = ev->x;
if(ev->value_mask & CWY)
@@ -520,7 +530,7 @@ drawbar(void) {
int i, x;
dc.x = dc.y = 0;
- for(i = 0; i < ntags; i++) {
+ for(i = 0; i < LENGTH(tags); i++) {
dc.w = textw(tags[i]);
if(seltags[i]) {
drawtext(tags[i], dc.sel);
@@ -533,7 +543,7 @@ drawbar(void) {
dc.x += dc.w;
}
dc.w = blw;
- drawtext(layouts[ltidx].symbol, dc.norm);
+ drawtext(layout->symbol, dc.norm);
x = dc.x + dc.w;
dc.w = textw(stext);
dc.x = sw - dc.w;
@@ -654,7 +664,7 @@ void
expose(XEvent *e) {
XExposeEvent *ev = &e->xexpose;
- if(ev->count == 0) {
+ if(0 == ev->count) {
if(barwin == ev->window)
drawbar();
}
@@ -664,6 +674,7 @@ void
floating(void) { /* default floating layout */
Client *c;
+ domwfact = dozoom = False;
for(c = clients; c; c = c->next)
if(isvisible(c))
resize(c, c->x, c->y, c->w, c->h, True);
@@ -768,7 +779,7 @@ gettextprop(Window w, Atom atom, char *text, unsigned int size) {
int n;
XTextProperty name;
- if(!text || size == 0)
+ if(!text || 0 == size)
return False;
text[0] = '\0';
XGetTextProperty(dpy, w, &name, atom);
@@ -830,10 +841,8 @@ unsigned int
idxoftag(const char *tag) {
unsigned int i;
- for(i = 0; i < ntags; i++)
- if(tags[i] == tag)
- return i;
- return 0;
+ for(i = 0; (i < LENGTH(tags)) && (tags[i] != tag); i++);
+ return (i < LENGTH(tags)) ? i : 0;
}
void
@@ -878,12 +887,6 @@ initfont(const char *fontstr) {
dc.font.height = dc.font.ascent + dc.font.descent;
}
-Bool
-isarrange(void (*func)())
-{
- return func == layouts[ltidx].arrange;
-}
-
Bool
isoccupied(unsigned int t) {
Client *c;
@@ -913,7 +916,7 @@ Bool
isvisible(Client *c) {
unsigned int i;
- for(i = 0; i < ntags; i++)
+ for(i = 0; i < LENGTH(tags); i++)
if(c->tags[i] && seltags[i])
return True;
return False;
@@ -922,7 +925,6 @@ isvisible(Client *c) {
void
keypress(XEvent *e) {
KEYS
- unsigned int len = sizeof keys / sizeof keys[0];
unsigned int i;
KeyCode code;
KeySym keysym;
@@ -930,7 +932,7 @@ keypress(XEvent *e) {
if(!e) { /* grabkeys */
XUngrabKey(dpy, AnyKey, AnyModifier, root);
- for(i = 0; i < len; i++) {
+ for(i = 0; i < LENGTH(keys); i++) {
code = XKeysymToKeycode(dpy, keys[i].keysym);
XGrabKey(dpy, code, keys[i].mod, root, True,
GrabModeAsync, GrabModeAsync);
@@ -945,7 +947,7 @@ keypress(XEvent *e) {
}
ev = &e->xkey;
keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
- for(i = 0; i < len; i++)
+ for(i = 0; i < LENGTH(keys); i++)
if(keysym == keys[i].keysym
&& CLEANMASK(keys[i].mod) == CLEANMASK(ev->state))
{
@@ -1123,7 +1125,7 @@ propertynotify(XEvent *e) {
default: break;
case XA_WM_TRANSIENT_FOR:
XGetTransientForHint(dpy, c->win, &trans);
- if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL)))
+ if(!c->isfloating && (c->isfloating = (NULL != getclient(trans))))
arrange();
break;
case XA_WM_NORMAL_HINTS:
@@ -1145,43 +1147,45 @@ quit(const char *arg) {
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;
- }
- }
+ /* 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;
@@ -1254,9 +1258,9 @@ restack(void) {
drawbar();
if(!sel)
return;
- if(sel->isfloating || isarrange(floating))
+ if(sel->isfloating || (floating == layout->arrange))
XRaiseWindow(dpy, sel->win);
- if(!isarrange(floating)) {
+ if(floating != layout->arrange) {
wc.stack_mode = Below;
wc.sibling = barwin;
if(!sel->isfloating) {
@@ -1362,16 +1366,16 @@ setlayout(const char *arg) {
unsigned int i;
if(!arg) {
- if(++ltidx == nlayouts)
- ltidx = 0;;
+ if(++layout == &layouts[LENGTH(layouts)])
+ layout = &layouts[0];
}
else {
- for(i = 0; i < nlayouts; i++)
+ for(i = 0; i < LENGTH(layouts); i++)
if(!strcmp(arg, layouts[i].symbol))
break;
- if(i == nlayouts)
+ if(i == LENGTH(layouts))
return;
- ltidx = i;
+ layout = &layouts[i];
}
if(sel)
arrange();
@@ -1383,10 +1387,10 @@ void
setmwfact(const char *arg) {
double delta;
- if(!ISTILE)
+ if(!domwfact)
return;
/* arg handling, manipulate mwfact */
- if(arg == NULL)
+ if(NULL == arg)
mwfact = MWFACT;
else if(1 == sscanf(arg, "%lf", &delta)) {
if(arg[0] == '+' || arg[0] == '-')
@@ -1464,8 +1468,8 @@ setup(void) {
/* init layouts */
mwfact = MWFACT;
- nlayouts = sizeof layouts / sizeof layouts[0];
- for(blw = i = 0; i < nlayouts; i++) {
+ layout = &layouts[0];
+ for(blw = i = 0; i < LENGTH(layouts); i++) {
j = textw(layouts[i].symbol);
if(j > blw)
blw = j;
@@ -1503,8 +1507,8 @@ spawn(const char *arg) {
return;
/* The double-fork construct avoids zombie processes and keeps the code
* clean from stupid signal handlers. */
- if(fork() == 0) {
- if(fork() == 0) {
+ if(0 == fork()) {
+ if(0 == fork()) {
if(dpy)
close(ConnectionNumber(dpy));
setsid();
@@ -1523,11 +1527,9 @@ tag(const char *arg) {
if(!sel)
return;
- for(i = 0; i < ntags; i++)
- sel->tags[i] = arg == NULL;
- i = idxoftag(arg);
- if(i >= 0 && i < ntags)
- sel->tags[i] = True;
+ for(i = 0; i < LENGTH(tags); i++)
+ sel->tags[i] = (NULL == arg);
+ sel->tags[idxoftag(arg)] = True;
arrange();
}
@@ -1552,6 +1554,7 @@ tile(void) {
unsigned int i, n, nx, ny, nw, nh, mw, th;
Client *c, *mc;
+ domwfact = dozoom = True;
for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next))
n++;
@@ -1566,7 +1569,7 @@ tile(void) {
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 */
+ if(0 == i) { /* master */
nw = mw - 2 * c->border;
nh = wah - 2 * c->border;
}
@@ -1581,7 +1584,10 @@ tile(void) {
else
nh = th - 2 * c->border;
}
- resize(c, nx, ny, nw, nh, RESIZEHINTS);
+ resize(c, nx, ny, nw, nh, True);
+ if((c->h < bh) || (c->h > nh) || (c->w < bh) || (c->w > nw))
+ /* client doesn't accept size constraints */
+ resize(c, nx, ny, nw, nh, False);
if(n > 1 && th != wah)
ny = c->y + c->h + 2 * c->border;
}
@@ -1614,7 +1620,7 @@ togglemax(const char *arg) {
if(!sel || sel->isfixed)
return;
if((sel->ismax = !sel->ismax)) {
- if(isarrange(floating) || sel->isfloating)
+ if((floating == layout->arrange) || sel->isfloating)
sel->wasfloating = True;
else {
togglefloating(NULL);
@@ -1643,9 +1649,9 @@ toggletag(const char *arg) {
return;
i = idxoftag(arg);
sel->tags[i] = !sel->tags[i];
- for(j = 0; j < ntags && !sel->tags[j]; j++);
- if(j == ntags)
- sel->tags[i] = True;
+ for(j = 0; j < LENGTH(tags) && !sel->tags[j]; j++);
+ if(j == LENGTH(tags))
+ sel->tags[i] = True; /* at least one tag must be enabled */
arrange();
}
@@ -1655,8 +1661,8 @@ toggleview(const char *arg) {
i = idxoftag(arg);
seltags[i] = !seltags[i];
- for(j = 0; j < ntags && !seltags[j]; j++);
- if(j == ntags)
+ for(j = 0; j < LENGTH(tags) && !seltags[j]; j++);
+ if(j == LENGTH(tags))
seltags[i] = True; /* at least one tag must be viewed */
arrange();
}
@@ -1822,11 +1828,9 @@ 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);
- if(i >= 0 && i < ntags)
- seltags[i] = True;
+ for(i = 0; i < LENGTH(tags); i++)
+ seltags[i] = (NULL == arg);
+ seltags[idxoftag(arg)] = True;
arrange();
}
@@ -1844,7 +1848,7 @@ void
zoom(const char *arg) {
Client *c;
- if(!sel || !ISTILE || sel->isfloating)
+ if(!sel || !dozoom || sel->isfloating)
return;
if((c = sel) == nexttiled(clients))
if(!(c = nexttiled(c->next)))