#define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
#define MOUSEMASK (BUTTONMASK|PointerMotionMask)
#define SWM_PROPLEN (16)
-#define X(r) (r)->g.x
+#define X(r) (r)->g.x
#define Y(r) (r)->g.y
-#define WIDTH(r) (r)->g.w
+#define WIDTH(r) (r)->g.w
#define HEIGHT(r) (r)->g.h
#ifndef SWM_LIB
int other_wm;
int running = 1;
int ss_enabled = 0;
+int xrandr_support;
int xrandr_eventbase;
int ignore_enter = 0;
unsigned int numlockmask = 0;
struct swm_screen {
int idx; /* screen index */
struct swm_region_list rl; /* list of regions on this screen */
+ struct swm_region_list orl; /* list of old regions */
Window root;
- int xrandr_support;
struct workspace ws[SWM_WS_MAX];
/* colors */
i, ScreenCount(display));
}
-void new_region(struct swm_screen *, struct workspace *,
- int, int, int, int);
+void new_region(struct swm_screen *, int, int, int, int);
void
custom_region(char *val)
"(%ux%u)\n", w, h, x, y,
DisplayWidth(display, sidx), DisplayHeight(display, sidx));
- new_region(&screens[sidx], NULL, x, y, w, h);
+ new_region(&screens[sidx], x, y, w, h);
}
int
h_inc = win->sh.width_inc;
h_base = win->sh.base_width;
} else {
- h_inc = win->sh.height_inc;
+ h_inc = win->sh.height_inc;
h_base = win->sh.base_height;
}
if (j == colno - 1) {
DNPRINTF(SWM_D_MISC, "manage_window: win %u transient %u\n",
(unsigned)win->id, win->transient);
}
-
+
/*
* Figure out where to put the window. If it was previously assigned to
* a workspace (either by spawn() or manually moving), and isn't
}
void
-remove_region(struct swm_region *r)
-{
- struct swm_screen *s = r->s;
- struct ws_win *win;
-
- DNPRINTF(SWM_D_MISC, "removing region: screen[%d]:%dx%d+%d+%d\n",
- s->idx, WIDTH(r), HEIGHT(r), X(r), Y(r));
-
- TAILQ_FOREACH(win, &r->ws->winlist, entry)
- XUnmapWindow(display, win->id);
- r->ws->r = NULL;
-
- XDestroyWindow(display, r->bar_window);
- TAILQ_REMOVE(&s->rl, r, entry);
- free(r);
-}
-
-void
-new_region(struct swm_screen *s, struct workspace *ws,
- int x, int y, int w, int h)
+new_region(struct swm_screen *s, int x, int y, int w, int h)
{
struct swm_region *r, *n;
+ struct workspace *ws;
int i;
DNPRINTF(SWM_D_MISC, "new region: screen[%d]:%dx%d+%d+%d\n",
(X(r) + WIDTH(r)) > x &&
Y(r) < (y + h) &&
(Y(r) + HEIGHT(r)) > y) {
- if (ws == NULL)
- ws = r->ws;
- remove_region(r);
+ r->ws->r = NULL;
+ XDestroyWindow(display, r->bar_window);
+ TAILQ_REMOVE(&s->rl, r, entry);
+ TAILQ_INSERT_TAIL(&s->orl, r, entry);
}
}
- /* pick an appropriate workspace */
+ /* search old regions for one to reuse */
+
+ /* size + location match */
+ TAILQ_FOREACH(r, &s->orl, entry)
+ if (X(r) == x && Y(r) == y &&
+ HEIGHT(r) == h && WIDTH(r) == w)
+ break;
+
+ /* size match */
+ TAILQ_FOREACH(r, &s->orl, entry)
+ if (HEIGHT(r) == h && WIDTH(r) == w)
+ break;
+
+ if (r != NULL) {
+ TAILQ_REMOVE(&s->orl, r, entry);
+ /* try to use old region's workspace */
+ if (r->ws->r == NULL)
+ ws = r->ws;
+ } else
+ if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
+ errx(1, "calloc: failed to allocate memory for screen");
+
+ /* if we don't have a workspace already, find one */
if (ws == NULL) {
for (i = 0; i < SWM_WS_MAX; i++)
if (s->ws[i].r == NULL) {
ws = &s->ws[i];
break;
}
-
if (ws == NULL)
- errx(1, "no free regions\n");
+ errx(1, "no free workspaces\n");
}
- if ((r = calloc(1, sizeof(struct swm_region))) == NULL)
- errx(1, "calloc: failed to allocate memory for screen");
-
X(r) = x;
Y(r) = y;
WIDTH(r) = w;
}
void
-setup_screens(void)
+scan_xrandr(int i)
{
#ifdef SWM_XRR_HAS_CRTC
XRRCrtcInfo *ci;
XRRScreenResources *sr;
int c;
#endif /* SWM_XRR_HAS_CRTC */
+ struct swm_region *r;
+ int ncrtc = 0;
+
+ /* remove any old regions */
+
+ while ((r = TAILQ_FIRST(&screens[i].rl)) != NULL) {
+ r->ws->r = NULL;
+ XDestroyWindow(display, r->bar_window);
+ TAILQ_REMOVE(&screens[i].rl, r, entry);
+ TAILQ_INSERT_TAIL(&screens[i].orl, r, entry);
+ }
+
+ /* map virtual screens onto physical screens */
+#ifdef SWM_XRR_HAS_CRTC
+ if (xrandr_support) {
+ sr = XRRGetScreenResources(display, screens[i].root);
+ if (sr == NULL)
+ new_region(&screens[i], 0, 0,
+ DisplayWidth(display, i),
+ DisplayHeight(display, i));
+ else
+ ncrtc = sr->ncrtc;
+
+ for (c = 0, ci = NULL; c < ncrtc; c++) {
+ ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
+ if (ci->noutput == 0)
+ continue;
+
+ if (ci != NULL && ci->mode == None)
+ new_region(&screens[i], 0, 0,
+ DisplayWidth(display, i),
+ DisplayHeight(display, i));
+ else
+ new_region(&screens[i],
+ ci->x, ci->y, ci->width, ci->height);
+ }
+ if (ci)
+ XRRFreeCrtcInfo(ci);
+ XRRFreeScreenResources(sr);
+ } else
+#endif /* SWM_XRR_HAS_CRTC */
+ {
+ new_region(&screens[i], 0, 0, DisplayWidth(display, i),
+ DisplayHeight(display, i));
+ }
+}
+
+void
+screenchange(XEvent *e)
+{
+ XRRScreenChangeNotifyEvent *xe = (XRRScreenChangeNotifyEvent *)e;
+ struct swm_region *r;
+ struct ws_win *win;
+ int i;
+
+ DNPRINTF(SWM_D_EVENT, "screenchange: %d\n", xe->root);
+
+ if (!XRRUpdateConfiguration(e))
+ return;
+
+ /* silly event doesn't include the screen index */
+ for (i = 0; i < ScreenCount(display); i++)
+ if (screens[i].root == xe->root)
+ break;
+ if (i >= ScreenCount(display))
+ errx(1, "screenchange: screen not found\n");
+
+ /* brute force for now, just re-enumerate the regions */
+ scan_xrandr(i);
+
+ /* hide any windows that went away */
+ TAILQ_FOREACH(r, &screens[i].rl, entry)
+ TAILQ_FOREACH(win, &r->ws->winlist, entry)
+ XUnmapWindow(display, win->id);
+ stack();
+}
+
+void
+setup_screens(void)
+{
Window d1, d2, *wins = NULL;
XWindowAttributes wa;
struct swm_region *r;
unsigned int no;
- int errorbase, major, minor;
- int ncrtc = 0, w = 0;
int i, j, k;
+ int errorbase, major, minor;
struct workspace *ws;
int ws_idx_atom;
errx(1, "calloc: screens");
ws_idx_atom = XInternAtom(display, "_SWM_WS", False);
-
+
+ /* initial Xrandr setup */
+ xrandr_support = XRRQueryExtension(display,
+ &xrandr_eventbase, &errorbase);
+ if (xrandr_support)
+ if (XRRQueryVersion(display, &major, &minor) && major < 1)
+ xrandr_support = 0;
/* map physical screens */
for (i = 0; i < ScreenCount(display); i++) {
DNPRINTF(SWM_D_WS, "setup_screens: init screen %d\n", i);
screens[i].idx = i;
TAILQ_INIT(&screens[i].rl);
+ TAILQ_INIT(&screens[i].orl);
screens[i].root = RootWindow(display, i);
/* set default colors */
setscreencolor("rgb:a0/a0/a0", i + 1, SWM_S_COLOR_BAR_FONT);
/* init all workspaces */
+ /* XXX these should be dynamically allocated too */
for (j = 0; j < SWM_WS_MAX; j++) {
ws = &screens[i].ws[j];
ws->idx = j;
SWM_ARG_ID_STACKINIT);
ws->cur_layout = &layouts[0];
}
-
- /* map virtual screens onto physical screens */
- screens[i].xrandr_support = XRRQueryExtension(display,
- &xrandr_eventbase, &errorbase);
- if (screens[i].xrandr_support)
- if (XRRQueryVersion(display, &major, &minor) &&
- major < 1)
- screens[i].xrandr_support = 0;
-
-#if 0 /* not ready for dynamic screen changes */
- if (screens[i].xrandr_support)
- XRRSelectInput(display,
- screens[r->s].root,
- RRScreenChangeNotifyMask);
-#endif
-
/* grab existing windows (before we build the bars)*/
if (!XQueryTree(display, screens[i].root, &d1, &d2, &wins, &no))
continue;
-#ifdef SWM_XRR_HAS_CRTC
- sr = XRRGetScreenResources(display, screens[i].root);
- if (sr == NULL)
- new_region(&screens[i], &screens[i].ws[w],
- 0, 0, DisplayWidth(display, i),
- DisplayHeight(display, i));
- else
- ncrtc = sr->ncrtc;
-
- for (c = 0, ci = NULL; c < ncrtc; c++) {
- ci = XRRGetCrtcInfo(display, sr, sr->crtcs[c]);
- if (ci->noutput == 0)
- continue;
+ if (xrandr_support)
+ XRRSelectInput(display, screens[i].root,
+ RRScreenChangeNotifyMask);
- if (ci != NULL && ci->mode == None)
- new_region(&screens[i], &screens[i].ws[w], 0, 0,
- DisplayWidth(display, i),
- DisplayHeight(display, i));
- else
- new_region(&screens[i], &screens[i].ws[w],
- ci->x, ci->y, ci->width, ci->height);
- w++;
- }
- if (ci)
- XRRFreeCrtcInfo(ci);
- XRRFreeScreenResources(sr);
-#else
- new_region(&screens[i], &screens[i].ws[w], 0, 0,
- DisplayWidth(display, i),
- DisplayHeight(display, i));
-#endif /* SWM_XRR_HAS_CRTC */
+ scan_xrandr(i);
/* attach windows to a region */
/* normal windows */
}
while(XPending(display)) {
XNextEvent(display, &e);
- if (handler[e.type])
- handler[e.type](&e);
+ if (e.type < LASTEvent) {
+ if (handler[e.type])
+ handler[e.type](&e);
+ else
+ DNPRINTF(SWM_D_EVENT,
+ "unkown event: %d\n", e.type);
+ } else {
+ switch (e.type - xrandr_eventbase) {
+ case RRNotify:
+ case RRScreenChangeNotify:
+ screenchange(&e);
+ break;
+ default:
+ DNPRINTF(SWM_D_EVENT,
+ "unkown event: %d\n", e.type);
+ break;
+ }
+ }
}
}
Got questions, comments, patches, etc.? Contact Jason Woofenden