*
* To understand everything else, start reading main().
*/
-#include "dwm.h"
-
#include <errno.h>
#include <locale.h>
#include <stdarg.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>
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];
regex_t *tagregex;
} Regs;
-/* forward declarations */
+/* function declarations */
void applyrules(Client *c);
void arrange(void);
void attach(Client *c);
/* 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};
+#define NTAGS (sizeof tags / sizeof tags[0])
+Bool seltags[NTAGS] = {[0] = True};
+Bool prevtags[NTAGS] = {[0] = True};
-/* functions*/
+/* function implementations */
void
applyrules(Client *c) {
static char buf[512];
for(i = 0; i < nrules; 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 < NTAGS; j++) {
if(!regexec(regs[i].tagregex, tags[j], 1, &tmp, 0)) {
matched = True;
c->tags[j] = True;
if(barwin == ev->window) {
x = 0;
- for(i = 0; i < ntags; i++) {
+ for(i = 0; i < NTAGS; i++) {
x += textw(tags[i]);
if(ev->x < x) {
if(ev->button == Button1) {
movemouse(c);
}
else if(ev->button == Button2) {
- if(ISTILE && !c->isfixed && c->isfloating)
+ if((ISTILE) && !c->isfixed && c->isfloating)
togglefloating(NULL);
else
zoom(NULL);
int i, x;
dc.x = dc.y = 0;
- for(i = 0; i < ntags; i++) {
+ for(i = 0; i < NTAGS; i++) {
dc.w = textw(tags[i]);
if(seltags[i]) {
drawtext(tags[i], dc.sel);
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 < NTAGS) && (tags[i] != tag); i++);
+ return (i < NTAGS) ? i : 0;
}
void
isvisible(Client *c) {
unsigned int i;
- for(i = 0; i < ntags; i++)
+ for(i = 0; i < NTAGS; i++)
if(c->tags[i] && seltags[i])
return True;
return False;
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:
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;
setmwfact(const char *arg) {
double delta;
- if(!ISTILE)
+ if(!(ISTILE))
return;
/* arg handling, manipulate mwfact */
if(arg == NULL)
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 < NTAGS; i++)
+ sel->tags[i] = (NULL == arg);
+ sel->tags[idxoftag(arg)] = True;
arrange();
}
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;
}
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 < NTAGS && !sel->tags[j]; j++);
+ if(j == NTAGS)
+ sel->tags[i] = True; /* at least one tag must be enabled */
arrange();
}
i = idxoftag(arg);
seltags[i] = !seltags[i];
- for(j = 0; j < ntags && !seltags[j]; j++);
- if(j == ntags)
+ for(j = 0; j < NTAGS && !seltags[j]; j++);
+ if(j == NTAGS)
seltags[i] = True; /* at least one tag must be viewed */
arrange();
}
unsigned int i;
memcpy(prevtags, seltags, sizeof seltags);
- for(i = 0; i < ntags; i++)
+ for(i = 0; i < NTAGS; i++)
seltags[i] = arg == NULL;
- i = idxoftag(arg);
- if(i >= 0 && i < ntags)
- seltags[i] = True;
+ seltags[idxoftag(arg)] = True;
arrange();
}
zoom(const char *arg) {
Client *c;
- if(!sel || !ISTILE || 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