18 split, stack, max, tab
22 /* Window structure types */
31 list_t *rows; // of row_t
38 list_t *cols; // of col_t
44 list_t *dpys; // of dpy_t
50 list_t *tags; // of tag_t
57 static drag_t move_mode;
58 static list_t *move_lrow;
59 static list_t *move_lcol;
60 static ptr_t move_prev;
61 static struct { int v, h; } move_dir;
63 /* Window management data */
65 #define wm_win wm->tag->dpy->col->row->win
66 #define wm_row wm->tag->dpy->col->row
67 #define wm_col wm->tag->dpy->col
68 #define wm_dpy wm->tag->dpy
69 #define wm_tag wm->tag
70 #define wm_focus (wm_tag && wm_dpy && wm_col && wm_row ? wm_win : NULL)
72 #define WIN(l) ((win_t*)(l)->data)
73 #define ROW(l) ((row_t*)(l)->data)
74 #define COL(l) ((col_t*)(l)->data)
75 #define DPY(l) ((dpy_t*)(l)->data)
76 #define TAG(l) ((tag_t*)(l)->data)
78 /* Helper functions */
79 static int searchl(tag_t *tag, win_t *target,
80 list_t **_dpy, list_t **_col, list_t **_row)
82 for (list_t *dpy = tag ->dpys; dpy; dpy = dpy->next)
83 for (list_t *col = DPY(dpy)->cols; col; col = col->next)
84 for (list_t *row = COL(col)->rows; row; row = row->next) {
85 win_t *win = ROW(row)->win;
87 if (_dpy) *_dpy = dpy;
88 if (_col) *_col = col;
89 if (_row) *_row = row;
96 static int search(tag_t *tag, win_t *target,
97 dpy_t **_dpy, col_t **_col, row_t **_row)
99 list_t *dpy, *col, *row;
100 if (searchl(tag, target, &dpy, &col, &row)) {
101 if (_dpy) *_dpy = DPY(dpy);
102 if (_col) *_col = COL(col);
103 if (_row) *_row = ROW(row);
109 static void set_mode(win_t *win, mode_t mode)
112 if (!search(wm_tag, win, NULL, &col, NULL))
114 printf("set_mode: %p, %d -> %d\n",
115 col, col->mode, mode);
117 if (col->mode == split)
118 for (list_t *cur = col->rows; cur; cur = cur->next) {
119 row_t *row = cur->data;
120 row->height = wm_dpy->geom->h;
125 static void set_focus(win_t *win)
127 /* - Only grab mouse button on unfocused window,
128 * this prevents stealing all mouse clicks from client windows,
129 * - A better way may be to re-send mouse clicks to client windows
130 * using the return value from wm_handle_key */
131 for (int i = key_mouse1; i < key_mouse7; i++) {
133 sys_watch(wm_focus, i, MOD());
134 sys_unwatch(win, i, MOD());
137 dpy_t *dpy; col_t *col; row_t *row;
138 if (search(wm_tag, win, &dpy, &col, &row)) {
146 static void set_move(win_t *win, ptr_t ptr, drag_t drag)
148 printf("set_move: %d - %p@%d,%d\n",
149 drag, win, ptr.rx, ptr.ry);
151 if (drag == move || drag == resize) {
152 searchl(wm_tag, win, NULL, &move_lcol, &move_lrow);
154 int my = win->y + (win->h/2);
155 int mx = win->x + (win->w/2);
156 move_dir.v = ptr.ry < my ? -1 : +1;
157 move_dir.h = ptr.rx < mx ? -1 : +1;
161 static void print_txt(void)
163 for (list_t *ltag = wm->tags; ltag; ltag = ltag->next) {
164 tag_t *tag = ltag->data;
165 printf("tag: <%-9p [%p->%p] >%-9p - %d\n",
166 ltag->prev, ltag, ltag->data, ltag->next, tag->name);
167 for (list_t *ldpy = tag->dpys; ldpy; ldpy = ldpy->next) {
168 dpy_t *dpy = ldpy->data;
169 win_t *geom = dpy->geom;
170 printf(" dpy: <%-9p [%p->%p] >%-9p - %d,%d %dx%d\n",
171 ldpy->prev, ldpy, ldpy->data, ldpy->next,
172 geom->x, geom->y, geom->h, geom->w);
173 for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next) {
174 col_t *col = lcol->data;
175 printf(" col: <%-9p [%p->%p] >%-9p - %dpx @ %d !!%p\n",
176 lcol->prev, lcol, lcol->data, lcol->next,
177 col->width, col->mode, col->row);
178 for (list_t *lrow = col->rows; lrow; lrow = lrow->next) {
179 row_t *row = lrow->data;
180 win_t *win = row->win;
181 printf(" win: <%-9p [%p>>%p] >%-9p - %4dpx focus=%d%d\n",
182 lrow->prev, lrow, win, lrow->next,
183 win->h, col->row == row, wm_focus == win);
187 static void cut_win(tag_t *tag, win_t *win)
189 list_t *ldpy, *lcol, *lrow;
190 if (!searchl(tag, win, &ldpy, &lcol, &lrow))
192 col_t *col = COL(lcol);
193 dpy_t *dpy = DPY(ldpy);
195 col->row = lrow->prev ? lrow->prev->data :
196 lrow->next ? lrow->next->data : NULL;
197 col->rows = list_remove(col->rows, lrow);
199 if (col->rows == NULL && (lcol->next || lcol->prev)) {
200 dpy->col = lcol->prev ? lcol->prev->data :
201 lcol->next ? lcol->next->data : NULL;
202 dpy->cols = list_remove(dpy->cols, lcol);
206 static void put_win(win_t *win, dpy_t *dpy, col_t *col)
208 row_t *row = new0(row_t);
213 dpy->cols = list_insert(dpy->cols, col);
216 int nrows = list_length(col->rows);
218 list_t *prev = list_find(col->rows, col->row);
219 list_insert_after(prev, row);
221 col->rows = list_insert(col->rows, row);
224 wm_tag->dpy->col = col;
225 wm_tag->dpy->col->row = row;
227 row->height = dpy->geom->h / MAX(nrows,1);
229 int ncols = list_length(dpy->cols);
230 col->width = dpy->geom->w / MAX(ncols-1,1);
234 static void shift_window(win_t *win, int col, int row)
237 printf("shift_window: %p - %+d,%+d\n", win, col, row);
239 printf("shift_window: >>>\n");
240 list_t *ldpy, *lcol, *lrow;
241 if (!searchl(wm_tag, win, &ldpy, &lcol, &lrow))
243 dpy_t *dpy = ldpy->data;
245 list_t *src = lrow, *dst = NULL;
246 if (row < 0) dst = src->prev;
247 if (row > 0) dst = src->next;
249 printf("swap: %p <-> %p\n", src->data, dst->data);
250 row_t *tmp = src->data;
251 src->data = dst->data;
256 int onlyrow = !lrow->prev && !lrow->next;
257 list_t *src = lcol, *dst = NULL;
261 } else if (!onlyrow) {
262 dpy->cols = list_insert(dpy->cols, new0(col_t));
264 } else if (ldpy->prev) {
265 dpy = ldpy->prev->data;
266 dst = list_last(dpy->cols);
274 } else if (!onlyrow) {
275 dpy->cols = list_append(dpy->cols, new0(col_t));
277 } else if (ldpy->next) {
278 dpy = ldpy->next->data;
284 cut_win(wm_tag, win);
285 put_win(win, dpy, dst ? dst->data : NULL);
293 static list_t *get_next(list_t *list, int forward)
295 list_t *next = forward ? list->next : list->prev;
298 while ((list = forward ? next->prev : next->next))
303 static void shift_focus(int cols, int rows)
305 printf("shift_focus: %+d,%+d\n", cols, rows);
306 if (rows != 0 && wm_focus) {
307 list_t *dpy, *col, *row;
308 if (!searchl(wm_tag, wm_focus, &dpy, &col, &row))
310 row_t *next = get_next(row, rows > 0)->data;
311 set_focus(next->win);
312 if (COL(col)->mode != split)
316 list_t *dpy, *col, *row, *ndpy, *ncol = NULL;
318 if (!searchl(wm_tag, wm_focus, &dpy, &col, &row))
320 ncol = cols > 0 ? col->next : col->prev;
322 dpy = list_find(wm_tag->dpys, wm_dpy);
325 ndpy = get_next(dpy, cols > 0);
326 ncol = cols > 0 ? DPY(ndpy)->cols :
327 list_last(DPY(ndpy)->cols);
330 if (ncol && COL(ncol) && COL(ncol)->row)
331 set_focus(COL(ncol)->row->win);
337 static tag_t *tag_new(list_t *screens, int name)
339 tag_t *tag = new0(tag_t);
341 for (list_t *cur = screens; cur; cur = cur->next) {
342 dpy_t *dpy = new0(dpy_t);
343 dpy->geom = cur->data;
344 tag->dpys = list_append(tag->dpys, dpy);
346 tag->dpy = tag->dpys->data;
350 static tag_t *tag_find(int name)
353 for (list_t *cur = wm->tags; cur; cur = cur->next)
354 if (name == TAG(cur)->name) {
359 tag = tag_new(wm->screens, name);
360 wm->tags = list_insert(wm->tags, tag);
365 static void tag_set(win_t *win, int name)
367 printf("tag_set: %p %d\n", win, name);
368 if (wm_tag->name == name)
370 cut_win(wm_tag, win);
371 win_t *focus = wm_focus;
373 tag_t *tag = tag_find(name);
374 put_win(win, tag->dpy, tag->dpy->col);
378 /* Window management functions */
379 void wm_update_dpy(dpy_t *dpy)
381 int x=0, y=0; // Current window top-left position
382 int tx=0, ty=0; // Total x/y size
383 int mx=0, my=0; // Maximum x/y size (screen size)
384 int sy=0; // Size of focused stack window
386 /* Scale horizontally */
388 mx = dpy->geom->w - (list_length(dpy->cols)+1)*MARGIN;
389 for (list_t *lx = dpy->cols; lx; lx = lx->next)
390 tx += COL(lx)->width;
391 for (list_t *lx = dpy->cols; lx; lx = lx->next)
392 COL(lx)->width *= (float)mx / tx;
394 /* Scale each column vertically */
395 for (list_t *lx = dpy->cols; lx; lx = lx->next) {
396 col_t *col = lx->data;
398 for (list_t *ly = col->rows; ly; ly = ly->next)
399 ty += ROW(ly)->height;
401 my = dpy->geom->h - (list_length(col->rows)+1)*MARGIN;
402 sy = my - (list_length(col->rows)-1)*STACK;
403 for (list_t *ly = col->rows; ly; ly = ly->next) {
404 win_t *win = ROW(ly)->win;
405 win->h = ROW(ly)->height;
409 sys_move(win, x+MARGIN, y+MARGIN,
410 col->width, win->h * ((float)my / ty));
414 height = col->row->win == win ? sy : STACK;
415 sys_move(win, x+MARGIN, y+MARGIN,
420 sys_move(win, x+MARGIN, 0+MARGIN,
421 col->width, dpy->geom->h-2*MARGIN);
422 if (col->row->win == win)
426 y += height + MARGIN;
427 ROW(ly)->height = win->h;
429 x += col->width + MARGIN;
436 for (list_t *ltag = wm ->tags; ltag; ltag = ltag->next)
437 for (list_t *ldpy = TAG(ltag)->dpys; ldpy; ldpy = ldpy->next)
438 for (list_t *lcol = DPY(ldpy)->cols; lcol; lcol = lcol->next)
439 for (list_t *lrow = COL(lcol)->rows; lrow; lrow = lrow->next)
440 sys_show(ROW(lrow)->win,
441 ltag->data == wm_tag ? st_show : st_hide);
443 /* Refrsh the display */
444 for (list_t *ldpy = wm_tag->dpys; ldpy; ldpy = ldpy->next)
445 wm_update_dpy(ldpy->data);
450 int wm_handle_key(win_t *win, Key_t key, mod_t mod, ptr_t ptr)
452 if (!win || win == wm_dpy->geom) return 0;
453 //printf("wm_handle_key: %p - %x %c%c%c%c%c\n", win, key,
454 // mod.up ? '^' : 'v',
455 // mod.alt ? 'a' : '-',
456 // mod.ctrl ? 'c' : '-',
457 // mod.shift ? 's' : '-',
458 // mod.win ? 'w' : '-');
461 if (key_mouse0 <= key && key <= key_mouse7 && mod.up)
462 return set_move(win,ptr,none), 1;
463 else if (key == key_mouse1 && mod.MODKEY)
464 return set_move(win,ptr,move), 1;
465 else if (key == key_mouse3 && mod.MODKEY)
466 return set_move(win,ptr,resize), 1;
468 /* Only handle key-down */
474 if (key == key_f1) return sys_raise(win), 1;
475 if (key == key_f2) return set_focus(win), 1;
476 if (key == key_f3) return sys_show(win, st_show), 1;
477 if (key == key_f4) return sys_show(win, st_hide), 1;
478 if (key == key_f5) return wm_update(), 1;
479 if (key == key_f6) return print_txt(), 1;
481 if (key_mouse0 <= key && key <= key_mouse7)
484 /* Movement commands */
485 if (mod.MODKEY && mod.shift) {
487 case 'h': return shift_window(wm_focus,-1, 0), 1;
488 case 'j': return shift_window(wm_focus, 0,+1), 1;
489 case 'k': return shift_window(wm_focus, 0,-1), 1;
490 case 'l': return shift_window(wm_focus,+1, 0), 1;
494 else if (mod.MODKEY) {
496 case 'h': return shift_focus(-1, 0), 1;
497 case 'j': return shift_focus( 0,+1), 1;
498 case 'k': return shift_focus( 0,-1), 1;
499 case 'l': return shift_focus(+1, 0), 1;
504 /* Column mode commands */
507 case 'd': return set_mode(win, split), 1;
508 case 's': return set_mode(win, stack), 1;
509 case 'm': return set_mode(win, max), 1;
510 case 't': return set_mode(win, tab), 1;
516 if (mod.MODKEY && '0' <= key && key <= '9') {
517 int name = key - '0';
521 printf("tag_switch: %d\n", name);
522 wm_tag = tag_find(name);
528 if (key == key_enter)
529 return set_focus(win), 1;
531 if (key_mouse0 <= key && key <= key_mouse7)
532 return set_focus(win), 0;
534 /* Reset focus after after focus change,
535 * not sure what is causing the focus change in the first place
536 * but preventing that would be a better solution */
537 if (key == key_focus)
538 sys_focus(wm_focus ?: wm->root);
543 int wm_handle_ptr(win_t *cwin, ptr_t ptr)
545 //printf("wm_handle_ptr: %p - %d,%d %d,%d (%d) -- \n",
546 // cwin, ptr.x, ptr.y, ptr.rx, ptr.ry, move_mode);
548 if (move_mode == none)
552 int dx = ptr.rx - move_prev.rx;
553 int dy = ptr.ry - move_prev.ry;
555 if (move_mode == resize) {
556 list_t *vert = move_dir.v < 0 ? move_lrow->prev : move_lrow->next;
557 list_t *horz = move_dir.h < 0 ? move_lcol->prev : move_lcol->next;
559 ROW(move_lrow)->height += move_dir.v * dy;
560 ROW(vert)->height -= move_dir.v * dy;
563 COL(move_lcol)->width += move_dir.h * dx;
564 COL(horz)->width -= move_dir.h * dx;
570 //win_t *mwin = move_win;
571 //int dx = ptr.rx - move_prev.rx;
572 //int dy = ptr.ry - move_prev.ry;
574 //if (move_mode == move)
575 // sys_move(mwin, mwin->x+dx, mwin->y+dy, mwin->w, mwin->h);
576 //else if (move_mode == resize)
577 // sys_move(mwin, mwin->x, mwin->y, mwin->w+dx, mwin->h+dy);
582 void wm_insert(win_t *win)
584 printf("wm_insert: %p\n", win);
587 /* Initialize window */
588 win->wm = new0(win_wm_t);
589 sys_watch(win, key_enter, MOD());
590 sys_watch(win, key_focus, MOD());
593 put_win(win, wm_dpy, wm_col);
601 void wm_remove(win_t *win)
603 printf("wm_remove: %p\n", win);
605 for (list_t *tag = wm->tags; tag; tag = tag->next)
606 cut_win(tag->data, win);
615 void wm_init(win_t *root)
617 printf("wm_init: %p\n", root);
619 /* Hack, fix screen order */
620 list_t *screens = sys_info(root);
621 list_t *left = screens;
622 list_t *right = screens->next;
623 if (left && right && WIN(left)->x > WIN(right)->x) {
624 void *tmp = left->data;
625 left->data = right->data;
631 wm->screens = screens;
632 wm->tag = tag_new(wm->screens, 1);
633 wm->tags = list_insert(NULL, wm->tag);
635 Key_t keys_e[] = {key_enter, key_focus};
636 Key_t keys_s[] = {'h', 'j', 'k', 'l',
637 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
638 Key_t keys_m[] = {'h', 'j', 'k', 'l', 'd', 's', 'm', 't',
639 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
640 /*key_f1, key_f2, key_f3, key_f4,*/ key_f5, key_f6,
641 key_mouse1, key_mouse3};
642 for (int i = 0; i < countof(keys_e); i++)
643 sys_watch(root, keys_e[i], MOD());
644 for (int i = 0; i < countof(keys_m); i++)
645 sys_watch(root, keys_m[i], MOD(.MODKEY=1));
646 for (int i = 0; i < countof(keys_s); i++)
647 sys_watch(root, keys_s[i], MOD(.MODKEY=1,.shift=1));