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-rw-r--r--tabbed.c263
1 files changed, 249 insertions, 14 deletions
diff --git a/tabbed.c b/tabbed.c
index 836b5b7..d809fe0 100644
--- a/tabbed.c
+++ b/tabbed.c
@@ -12,13 +12,17 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.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>
#include <errno.h>
/* macros */
#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define LENGTH(x) (sizeof x / sizeof x[0])
#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask))
#define TEXTW(x) (textnw(x, strlen(x)) + dc.font.height)
@@ -40,6 +44,11 @@ typedef struct {
} Key;
typedef struct {
+ void (*func)(const Arg *);
+ const Arg arg;
+} Autostart;
+
+typedef struct {
int x, y, w, h;
unsigned long norm[ColLast];
unsigned long sel[ColLast];
@@ -66,30 +75,39 @@ typedef struct Listener {
} Listener;
/* function declarations */
+static void autostart(void);
static void cleanup(void);
static void configurenotify(XEvent *e);
-static void unmapnotify(XEvent *e);
static void die(const char *errstr, ...);
+static void drawbar();
+static void drawtext(const char *text, unsigned long col[ColLast]);
static void expose(XEvent *e);
static unsigned long getcolor(const char *colstr);
+static Client *getclient(Window w);
+static Client *getfirsttab();
+static Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
static void initfont(const char *fontstr);
static void keypress(XEvent *e);
static void killclient(const Arg *arg);
static void move(const Arg *arg);
static void spawntab(const Arg *arg);
-static void reparent(Window win);
+static void manage(Window win);
+static void propertynotify(XEvent *e);
+static void resize(Client *c, int w, int h);
static void rotate(const Arg *arg);
static void run(void);
static void setup(void);
static int textnw(const char *text, unsigned int len);
+static void unmapnotify(XEvent *e);
static void updatenumlockmask(void);
+static void updatetitle(Client *c);
static int xerror(Display *dpy, XErrorEvent *ee);
/* variables */
static int screen;
-static int wx, wy, ww, wh;
static void (*handler[LASTEvent]) (XEvent *) = {
[ConfigureNotify] = configurenotify,
+ [PropertyNotify] = propertynotify,
[UnmapNotify] = unmapnotify,
[KeyPress] = keypress,
[Expose] = expose,
@@ -99,12 +117,22 @@ static DC dc;
static Window root, win;
static Bool running = True;
static unsigned int numlockmask = 0;
-Client *clients, *sel;
-Listener *listeners;
+static unsigned bh, wx, wy, ww, wh;
+static Client *clients, *sel;
+static Listener *listeners;
+static Bool badwindow = False;
/* configuration, allows nested code to access above variables */
#include "config.h"
void
+autostart() {
+ int i;
+
+ for(i = 0; i < LENGTH(autostarts); i++)
+ autostarts[i].func(&(autostarts[i].arg));
+}
+
+void
cleanup(void) {
if(dc.font.set)
XFreeFontSet(dpy, dc.font.set);
@@ -114,18 +142,21 @@ cleanup(void) {
XFreeGC(dpy, dc.gc);
XDestroyWindow(dpy, win);
XSync(dpy, False);
- XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
}
void
configurenotify(XEvent *e) {
XConfigureEvent *ev = &e->xconfigure;
+ Client *c;
if(ev->window == win && (ev->width != ww || ev->height != wh)) {
ww = ev->width;
wh = ev->height;
XFreePixmap(dpy, dc.drawable);
dc.drawable = XCreatePixmap(dpy, root, ww, wh, DefaultDepth(dpy, screen));
+ for(c = clients; c; c = c->next)
+ resize(c, ww, wh - bh);
+ XSync(dpy, False);
}
}
@@ -139,6 +170,58 @@ die(const char *errstr, ...) {
exit(EXIT_FAILURE);
}
+void
+drawbar() {
+ unsigned long *col;
+ unsigned int n;
+ Client *c, *fc;
+
+ dc.x = 0;
+ drawtext("", dc.norm);
+ for(fc = c = getfirsttab(); c; c = c->next, n++);
+ for(c = fc; c && dc.x < ww; c = c->next) {
+ dc.w = tabwidth;
+ if(c == sel) {
+ col = dc.sel;
+ }
+ else {
+ col = dc.norm;
+ }
+ drawtext(c->name, col);
+ dc.x += dc.w;
+ }
+ XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, ww, bh, 0, 0);
+ XSync(dpy, False);
+}
+
+void
+drawtext(const char *text, unsigned long col[ColLast]) {
+ char buf[256];
+ int i, x, y, h, len, olen;
+ XRectangle r = { dc.x, dc.y, dc.w, dc.h };
+
+ XSetForeground(dpy, dc.gc, col[ColBG]);
+ XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+ if(!text)
+ return;
+ olen = strlen(text);
+ 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 = 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[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);
+}
+
void *
emallocz(size_t size) {
void *p;
@@ -150,7 +233,21 @@ emallocz(size_t size) {
void
expose(XEvent *e) {
- /*XExposeEvent *ev = &e->xexpose;*/
+ XExposeEvent *ev = &e->xexpose;
+
+ if(ev->count == 0 && win == ev->window)
+ drawbar();
+}
+
+void
+focus(Client *c) {
+ if(!c || !clients)
+ return;
+ XRaiseWindow(dpy, c->win);
+ XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
+ XSelectInput(dpy, c->win, PropertyChangeMask);
+ sel = c;
+ drawbar();
}
unsigned long
@@ -163,6 +260,57 @@ getcolor(const char *colstr) {
return color.pixel;
}
+Client *
+getclient(Window w) {
+ Client *c;
+
+ for(c = clients; c; c = c->next)
+ if(c->win == w)
+ return c;
+ return NULL;
+}
+
+Client *
+getfirsttab() {
+ unsigned int n, seli;
+ Client *c, *fc;
+
+ return clients;
+ c = fc = clients;
+ for(n = 0; c; c = c->next, n++);
+ if(n * tabwidth > ww) {
+ for(seli = 0, c = clients; c && c != sel; c = c->next, seli++);
+ for(; seli * tabwidth > ww / 2 && n * tabwidth > ww;
+ fc = fc->next, seli--, n--);
+ }
+ return fc;
+}
+
+Bool
+gettextprop(Window w, Atom atom, char *text, unsigned int size) {
+ char **list = NULL;
+ int n;
+ XTextProperty name;
+
+ if(!text || size == 0)
+ return False;
+ text[0] = '\0';
+ XGetTextProperty(dpy, w, &name, atom);
+ if(!name.nitems)
+ return False;
+ if(name.encoding == XA_STRING)
+ strncpy(text, (char *)name.value, size - 1);
+ else {
+ if(XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) {
+ strncpy(text, *list, size - 1);
+ XFreeStringList(list);
+ }
+ }
+ text[size - 1] = '\0';
+ XFree(name.value);
+ return True;
+}
+
void
initfont(const char *fontstr) {
char *def, **missing;
@@ -225,7 +373,13 @@ killclient(const Arg *arg) {
void
move(const Arg *arg) {
- puts("move to nth tab");
+ int i;
+ Client *c;
+
+ for(i = 0, c = clients; c; c = c->next, i++) {
+ if(arg->i == i)
+ focus(c);
+ }
}
void
@@ -262,14 +416,84 @@ spawntab(const Arg *arg) {
}
void
-reparent(Window w) {
+manage(Window w) {
+ updatenumlockmask();
+ {
+ int i, j;
+ unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
+ KeyCode code;
+ Client *c;
+
+ XSync(dpy, False);
+ XReparentWindow(dpy, w, win, 0, bh);
+ if(badwindow) {
+ badwindow = False;
+ return;
+ }
+ for(i = 0; i < LENGTH(keys); i++) {
+ if((code = XKeysymToKeycode(dpy, keys[i].keysym)))
+ for(j = 0; j < LENGTH(modifiers); j++)
+ XGrabKey(dpy, code, keys[i].mod | modifiers[j], w,
+ True, GrabModeAsync, GrabModeAsync);
+ }
+ c = emallocz(sizeof(Client));
+ c->next = clients;
+ c->win = w;
+ clients = c;
+ focus(c);
+ updatetitle(c);
+ resize(c, ww, wh - bh);
+ drawbar();
+ }
+}
+
+void
+propertynotify(XEvent *e) {
+ Client *c;
+ XPropertyEvent *ev = &e->xproperty;
+
+ if(ev->state != PropertyDelete && ev->atom == XA_WM_NAME
+ && (c = getclient(ev->window))) {
+ updatetitle(c);
+ }
+}
+
+void
+resize(Client *c, int w, int h) {
+ XConfigureEvent ce;
+ XWindowChanges wc;
+
+ ce.x = 0;
+ ce.y = bh;
+ ce.width = wc.width = w;
+ ce.height = wc.height = h;
+ ce.type = ConfigureNotify;
+ ce.display = dpy;
+ ce.event = c->win;
+ ce.window = c->win;
+ ce.above = None;
+ ce.override_redirect = False;
+ ce.border_width = 0;
+ XConfigureWindow(dpy, c->win, CWWidth|CWHeight, &wc);
+ XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
XSync(dpy, False);
- XReparentWindow(dpy, w, win, 0, 0);
}
void
rotate(const Arg *arg) {
- puts("next/prev tab");
+ Client *c;
+
+ if(arg->i > 0) {
+ if(sel && sel->next)
+ focus(sel->next);
+ else
+ focus(clients);
+ }
+ else {
+ for(c = clients; c && c->next && c->next != sel; c = c->next);
+ if(c)
+ focus(c);
+ }
}
void
@@ -281,7 +505,7 @@ run(void) {
XEvent ev;
Listener *l, *pl;
- /* main event loop, also reads status text from stdin */
+ /* main event loop, also reads xids from stdin */
XSync(dpy, False);
xfd = ConnectionNumber(dpy);
buf[LENGTH(buf) - 1] = '\0'; /* 0-terminator is never touched */
@@ -318,7 +542,7 @@ run(void) {
if(*p == '\n' || *p == '\0') {
*p = '\0';
if((wid = atoi(buf)))
- reparent((Window)wid);
+ manage((Window)wid);
p += r - 1; /* p is buf + offset + r - 1 */
for(r = 0; *(p - r) && *(p - r) != '\n'; r++);
offset = r;
@@ -343,6 +567,7 @@ setup(void) {
screen = DefaultScreen(dpy);
root = RootWindow(dpy, screen);
initfont(font);
+ bh = dc.h = dc.font.height + 2;
/* init appearance */
wx = 0;
@@ -397,13 +622,22 @@ updatenumlockmask(void) {
XFreeModifiermap(modmap);
}
+void
+updatetitle(Client *c) {
+ gettextprop(c->win, XA_WM_NAME, c->name, sizeof c->name);
+ drawbar();
+}
+
/* There's no way to check accesses to destroyed windows, thus those cases are
* ignored (especially on UnmapNotify's). Other types of errors call Xlibs
* default error handler, which may call exit. */
int
xerror(Display *dpy, XErrorEvent *ee) {
- if(ee->error_code == BadWindow)
+ if(ee->error_code == BadWindow) {
+ badwindow = True;
+ puts("badwindow");
return 0;
+ }
die("dwm: fatal error: request code=%d, error code=%d\n",
ee->request_code, ee->error_code);
return 1;
@@ -420,6 +654,7 @@ main(int argc, char *argv[]) {
if(!(dpy = XOpenDisplay(0)))
die("tabbed: cannot open display\n");
setup();
+ autostart();
run();
/*dummys*/
cleanup();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 22:22:54 +0000