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 #define tag_foreach(tag, dpy, col, row, win) \
79 for (list_t *dpy = tag ->dpys; dpy; dpy = dpy->next) \
80 for (list_t *col = DPY(dpy)->cols; col; col = col->next) \
81 for (list_t *row = COL(col)->rows; row; row = row->next) \
82 for (win_t *win = ROW(row)->win; win; win = NULL) \
84 /* Helper functions */
85 static int searchl(tag_t *tag, win_t *target,
86 list_t **_dpy, list_t **_col, list_t **_row)
88 tag_foreach(tag, dpy, col, row, win) {
90 if (_dpy) *_dpy = dpy;
91 if (_col) *_col = col;
92 if (_row) *_row = row;
99 static int search(tag_t *tag, win_t *target,
100 dpy_t **_dpy, col_t **_col, row_t **_row)
102 list_t *dpy, *col, *row;
103 if (searchl(tag, target, &dpy, &col, &row)) {
104 if (_dpy) *_dpy = DPY(dpy);
105 if (_col) *_col = COL(col);
106 if (_row) *_row = ROW(row);
112 static void set_mode(win_t *win, mode_t mode)
115 if (!search(wm_tag, win, NULL, &col, NULL))
117 printf("set_mode: %p, %d -> %d\n",
118 col, col->mode, mode);
120 if (col->mode == split)
121 for (list_t *cur = col->rows; cur; cur = cur->next) {
122 row_t *row = cur->data;
123 row->height = wm_dpy->geom->h;
128 static void set_focus(win_t *win)
130 if (win == NULL || win == wm->root) {
135 /* - Only grab mouse button on unfocused window,
136 * this prevents stealing all mouse clicks from client windows,
137 * - A better way may be to re-send mouse clicks to client windows
138 * using the return value from wm_handle_key */
139 for (int i = key_mouse1; i < key_mouse7; i++) {
141 sys_watch(wm_focus, i, MOD());
142 sys_unwatch(win, i, MOD());
145 dpy_t *dpy; col_t *col; row_t *row;
146 if (search(wm_tag, win, &dpy, &col, &row)) {
154 static void set_move(win_t *win, ptr_t ptr, drag_t drag)
156 printf("set_move: %d - %p@%d,%d\n",
157 drag, win, ptr.rx, ptr.ry);
159 if (drag == move || drag == resize) {
160 searchl(wm_tag, win, NULL, &move_lcol, &move_lrow);
162 int my = win->y + (win->h/2);
163 int mx = win->x + (win->w/2);
164 move_dir.v = ptr.ry < my ? -1 : +1;
165 move_dir.h = ptr.rx < mx ? -1 : +1;
169 static void print_txt(void)
171 for (list_t *ltag = wm->tags; ltag; ltag = ltag->next) {
172 tag_t *tag = ltag->data;
173 printf("tag: <%-9p [%p->%p] >%-9p !%-9p - %d\n",
174 ltag->prev, ltag, ltag->data, ltag->next,
175 tag->dpy, tag->name);
176 for (list_t *ldpy = tag->dpys; ldpy; ldpy = ldpy->next) {
177 dpy_t *dpy = ldpy->data;
178 win_t *geom = dpy->geom;
179 printf(" dpy: <%-9p [%p->%p] >%-9p !%-9p - %d,%d %dx%d\n",
180 ldpy->prev, ldpy, ldpy->data, ldpy->next,
181 dpy->col, geom->x, geom->y, geom->h, geom->w);
182 for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next) {
183 col_t *col = lcol->data;
184 printf(" col: <%-9p [%p->%p] >%-9p !%-9p - %dpx @ %d\n",
185 lcol->prev, lcol, lcol->data, lcol->next,
186 col->row, col->width, col->mode);
187 for (list_t *lrow = col->rows; lrow; lrow = lrow->next) {
188 row_t *row = lrow->data;
189 win_t *win = row->win;
190 printf(" win: <%-9p [%p>>%p] >%-9p !%-9p - %4dpx focus=%d%d\n",
191 lrow->prev, lrow, win, lrow->next,
192 win, win->h, col->row == row, wm_focus == win);
196 static void cut_win(tag_t *tag, win_t *win)
198 list_t *ldpy, *lcol, *lrow;
199 if (!searchl(tag, win, &ldpy, &lcol, &lrow))
201 col_t *col = COL(lcol);
202 dpy_t *dpy = DPY(ldpy);
204 col->row = lrow->prev ? lrow->prev->data :
205 lrow->next ? lrow->next->data : NULL;
206 col->rows = list_remove(col->rows, lrow);
208 if (col->rows == NULL && (lcol->next || lcol->prev)) {
209 dpy->col = lcol->prev ? lcol->prev->data :
210 lcol->next ? lcol->next->data : NULL;
211 dpy->cols = list_remove(dpy->cols, lcol);
215 static void put_win(win_t *win, tag_t *tag, dpy_t *dpy, col_t *col)
217 row_t *row = new0(row_t);
222 dpy->cols = list_insert(dpy->cols, col);
225 int nrows = list_length(col->rows);
227 list_t *prev = list_find(col->rows, col->row);
228 list_insert_after(prev, row);
230 col->rows = list_insert(col->rows, row);
234 tag->dpy->col->row = row;
236 row->height = dpy->geom->h / MAX(nrows,1);
238 int ncols = list_length(dpy->cols);
239 col->width = dpy->geom->w / MAX(ncols-1,1);
243 static void shift_window(win_t *win, int col, int row)
246 printf("shift_window: %p - %+d,%+d\n", win, col, row);
248 printf("shift_window: >>>\n");
249 list_t *ldpy, *lcol, *lrow;
250 if (!searchl(wm_tag, win, &ldpy, &lcol, &lrow))
252 dpy_t *dpy = ldpy->data;
254 list_t *src = lrow, *dst = NULL;
255 if (row < 0) dst = src->prev;
256 if (row > 0) dst = src->next;
258 printf("swap: %p <-> %p\n", src->data, dst->data);
259 row_t *tmp = src->data;
260 src->data = dst->data;
265 int onlyrow = !lrow->prev && !lrow->next;
266 list_t *src = lcol, *dst = NULL;
270 } else if (!onlyrow) {
271 dpy->cols = list_insert(dpy->cols, new0(col_t));
273 } else if (ldpy->prev) {
274 dpy = ldpy->prev->data;
275 dst = list_last(dpy->cols);
283 } else if (!onlyrow) {
284 dpy->cols = list_append(dpy->cols, new0(col_t));
286 } else if (ldpy->next) {
287 dpy = ldpy->next->data;
293 cut_win(wm_tag, win);
294 put_win(win, wm_tag, dpy, dst ? dst->data : NULL);
302 static list_t *get_next(list_t *list, int forward)
304 list_t *next = forward ? list->next : list->prev;
307 while ((list = forward ? next->prev : next->next))
312 static void shift_focus(int cols, int rows)
314 printf("shift_focus: %+d,%+d\n", cols, rows);
315 if (rows != 0 && wm_focus) {
316 list_t *dpy, *col, *row;
317 if (!searchl(wm_tag, wm_focus, &dpy, &col, &row))
319 row_t *next = get_next(row, rows > 0)->data;
320 set_focus(next->win);
321 if (COL(col)->mode != split)
325 list_t *dpy, *col, *row, *ndpy, *ncol = NULL;
327 if (!searchl(wm_tag, wm_focus, &dpy, &col, &row))
329 ncol = cols > 0 ? col->next : col->prev;
331 dpy = list_find(wm_tag->dpys, wm_dpy);
334 ndpy = get_next(dpy, cols > 0);
335 ncol = cols > 0 ? DPY(ndpy)->cols :
336 list_last(DPY(ndpy)->cols);
339 if (ncol && COL(ncol) && COL(ncol)->row)
340 set_focus(COL(ncol)->row->win);
346 static tag_t *tag_new(list_t *screens, int name)
348 tag_t *tag = new0(tag_t);
350 for (list_t *cur = screens; cur; cur = cur->next) {
351 dpy_t *dpy = new0(dpy_t);
352 dpy->geom = cur->data;
353 tag->dpys = list_append(tag->dpys, dpy);
355 tag->dpy = tag->dpys->data;
359 static tag_t *tag_find(int name)
362 for (list_t *cur = wm->tags; cur; cur = cur->next)
363 if (name == TAG(cur)->name) {
368 tag = tag_new(wm->screens, name);
369 wm->tags = list_append(wm->tags, tag);
374 static void tag_set(win_t *win, int name)
376 printf("tag_set: %p %d\n", win, name);
377 if (wm_tag->name == name)
379 tag_t *tag = tag_find(name);
380 cut_win(wm_tag, win);
381 put_win(win, tag, tag->dpy, tag->dpy->col);
385 static void tag_switch(int name)
387 printf("tag_switch: %d\n", name);
388 if (wm_col == NULL || wm_row == NULL)
389 wm->tags = list_remove(wm->tags,
390 list_find(wm->tags, wm_tag));
391 wm_tag = tag_find(name);
394 /* Window management functions */
395 void wm_update_dpy(dpy_t *dpy)
397 int x=0, y=0; // Current window top-left position
398 int tx=0, ty=0; // Total x/y size
399 int mx=0, my=0; // Maximum x/y size (screen size)
400 int sy=0; // Size of focused stack window
402 /* Scale horizontally */
404 mx = dpy->geom->w - (list_length(dpy->cols)+1)*MARGIN;
405 for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next)
406 tx += COL(lcol)->width;
407 for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next)
408 COL(lcol)->width *= (float)mx / tx;
410 /* Scale each column vertically */
411 for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next) {
412 col_t *col = lcol->data;
414 for (list_t *lrow = col->rows; lrow; lrow = lrow->next)
415 ty += ROW(lrow)->height;
417 my = dpy->geom->h - (list_length(col->rows)+1)*MARGIN;
418 sy = my - (list_length(col->rows)-1)*STACK;
419 for (list_t *lrow = col->rows; lrow; lrow = lrow->next) {
420 win_t *win = ROW(lrow)->win;
421 win->h = ROW(lrow)->height;
425 sys_move(win, x+MARGIN, y+MARGIN,
426 col->width, win->h * ((float)my / ty));
430 if (lrow->next && ROW(lrow->next)->win == col->row->win) {
431 /* Hack to prevent flashing */
432 win_t *next = ROW(lrow->next)->win;
433 sys_move(next, x+MARGIN, y+MARGIN+STACK+MARGIN,
436 height = win == col->row->win ? sy : STACK;
437 sys_move(win, x+MARGIN, y+MARGIN,
442 sys_move(win, x+MARGIN, 0+MARGIN,
443 col->width, dpy->geom->h-2*MARGIN);
444 if (col->row->win == win)
448 y += height + MARGIN;
449 ROW(lrow)->height = win->h;
451 x += col->width + MARGIN;
458 tag_foreach(wm_tag, dpy, col, row, win)
459 sys_show(win, st_show);
460 for (list_t *tag = wm ->tags; tag; tag = tag->next)
461 tag_foreach(TAG(tag), dpy, col, row, win)
462 if (tag->data != wm_tag)
463 sys_show(win, st_hide);
465 /* Refrsh the display */
466 for (list_t *ldpy = wm_tag->dpys; ldpy; ldpy = ldpy->next)
467 wm_update_dpy(ldpy->data);
472 int wm_handle_key(win_t *win, Key_t key, mod_t mod, ptr_t ptr)
474 if (!win || win == wm_dpy->geom) return 0;
475 //printf("wm_handle_key: %p - %x %c%c%c%c%c\n", win, key,
476 // mod.up ? '^' : 'v',
477 // mod.alt ? 'a' : '-',
478 // mod.ctrl ? 'c' : '-',
479 // mod.shift ? 's' : '-',
480 // mod.win ? 'w' : '-');
483 if (key_mouse0 <= key && key <= key_mouse7 && mod.up)
484 return set_move(win,ptr,none), 0;
485 else if (key == key_mouse1 && mod.MODKEY)
486 return set_move(win,ptr,move), 1;
487 else if (key == key_mouse3 && mod.MODKEY)
488 return set_move(win,ptr,resize), 1;
490 /* Only handle key-down */
497 if (key == key_f1) return sys_raise(win), 1;
498 if (key == key_f2) return set_focus(win), 1;
499 if (key == key_f3) return sys_show(win, st_show), 1;
500 if (key == key_f4) return sys_show(win, st_hide), 1;
502 if (key == key_f5) return wm_update(), 1;
503 if (key == key_f6) return print_txt(), 1;
505 if (key_mouse0 <= key && key <= key_mouse7)
508 /* Movement commands */
509 if (mod.MODKEY && mod.shift) {
511 case 'h': return shift_window(wm_focus,-1, 0), 1;
512 case 'j': return shift_window(wm_focus, 0,+1), 1;
513 case 'k': return shift_window(wm_focus, 0,-1), 1;
514 case 'l': return shift_window(wm_focus,+1, 0), 1;
518 else if (mod.MODKEY) {
520 case 'h': return shift_focus(-1, 0), 1;
521 case 'j': return shift_focus( 0,+1), 1;
522 case 'k': return shift_focus( 0,-1), 1;
523 case 'l': return shift_focus(+1, 0), 1;
528 /* Column mode commands */
531 case 'd': return set_mode(win, split), 1;
532 case 's': return set_mode(win, stack), 1;
533 case 'm': return set_mode(win, max), 1;
534 case 't': return set_mode(win, tab), 1;
540 if (mod.MODKEY && '0' <= key && key <= '9') {
541 int name = key - '0';
550 if (key == key_enter)
551 return set_focus(win), 1;
553 if (key_mouse0 <= key && key <= key_mouse7)
554 return set_focus(win), 0;
556 /* Reset focus after after focus change,
557 * not sure what is causing the focus change in the first place
558 * but preventing that would be a better solution */
559 if (key == key_focus)
560 sys_focus(wm_focus ?: wm->root);
565 int wm_handle_ptr(win_t *cwin, ptr_t ptr)
567 //printf("wm_handle_ptr: %p - %d,%d %d,%d (%d) -- \n",
568 // cwin, ptr.x, ptr.y, ptr.rx, ptr.ry, move_mode);
570 if (move_mode == none)
574 int dx = ptr.rx - move_prev.rx;
575 int dy = ptr.ry - move_prev.ry;
577 if (move_mode == resize) {
578 list_t *vert = move_dir.v < 0 ? move_lrow->prev : move_lrow->next;
579 list_t *horz = move_dir.h < 0 ? move_lcol->prev : move_lcol->next;
581 ROW(move_lrow)->height += move_dir.v * dy;
582 ROW(vert)->height -= move_dir.v * dy;
585 COL(move_lcol)->width += move_dir.h * dx;
586 COL(horz)->width -= move_dir.h * dx;
592 //win_t *mwin = move_win;
593 //int dx = ptr.rx - move_prev.rx;
594 //int dy = ptr.ry - move_prev.ry;
596 //if (move_mode == move)
597 // sys_move(mwin, mwin->x+dx, mwin->y+dy, mwin->w, mwin->h);
598 //else if (move_mode == resize)
599 // sys_move(mwin, mwin->x, mwin->y, mwin->w+dx, mwin->h+dy);
604 void wm_insert(win_t *win)
606 printf("wm_insert: %p\n", win);
609 /* Initialize window */
610 win->wm = new0(win_wm_t);
611 sys_watch(win, key_enter, MOD());
612 sys_watch(win, key_focus, MOD());
615 put_win(win, wm_tag, wm_dpy, wm_col);
623 void wm_remove(win_t *win)
625 printf("wm_remove: %p\n", win);
627 for (list_t *tag = wm->tags; tag; tag = tag->next)
628 cut_win(tag->data, win);
634 void wm_init(win_t *root)
636 printf("wm_init: %p\n", root);
638 /* Hack, fix screen order */
639 list_t *screens = sys_info(root);
640 list_t *left = screens;
641 list_t *right = screens->next;
642 if (left && right && WIN(left)->x > WIN(right)->x) {
643 void *tmp = left->data;
644 left->data = right->data;
650 wm->screens = screens;
651 wm->tag = tag_new(wm->screens, 1);
652 wm->tags = list_insert(NULL, wm->tag);
654 Key_t keys_e[] = {key_enter, key_focus};
655 Key_t keys_s[] = {'h', 'j', 'k', 'l',
656 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
657 Key_t keys_m[] = {'h', 'j', 'k', 'l', 'd', 's', 'm', 't',
658 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
659 key_f1, key_f2, key_f3, key_f4, key_f5, key_f6,
660 key_mouse1, key_mouse3};
661 for (int i = 0; i < countof(keys_e); i++)
662 sys_watch(root, keys_e[i], MOD());
663 for (int i = 0; i < countof(keys_m); i++)
664 sys_watch(root, keys_m[i], MOD(.MODKEY=1));
665 for (int i = 0; i < countof(keys_s); i++)
666 sys_watch(root, keys_s[i], MOD(.MODKEY=1,.shift=1));