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 if (win == NULL || win == wm->root) {
132 /* - Only grab mouse button on unfocused window,
133 * this prevents stealing all mouse clicks from client windows,
134 * - A better way may be to re-send mouse clicks to client windows
135 * using the return value from wm_handle_key */
136 for (int i = key_mouse1; i < key_mouse7; i++) {
138 sys_watch(wm_focus, i, MOD());
139 sys_unwatch(win, i, MOD());
142 dpy_t *dpy; col_t *col; row_t *row;
143 if (search(wm_tag, win, &dpy, &col, &row)) {
151 static void set_move(win_t *win, ptr_t ptr, drag_t drag)
153 printf("set_move: %d - %p@%d,%d\n",
154 drag, win, ptr.rx, ptr.ry);
156 if (drag == move || drag == resize) {
157 searchl(wm_tag, win, NULL, &move_lcol, &move_lrow);
159 int my = win->y + (win->h/2);
160 int mx = win->x + (win->w/2);
161 move_dir.v = ptr.ry < my ? -1 : +1;
162 move_dir.h = ptr.rx < mx ? -1 : +1;
166 static void print_txt(void)
168 for (list_t *ltag = wm->tags; ltag; ltag = ltag->next) {
169 tag_t *tag = ltag->data;
170 printf("tag: <%-9p [%p->%p] >%-9p !%-9p - %d\n",
171 ltag->prev, ltag, ltag->data, ltag->next,
172 tag->dpy, tag->name);
173 for (list_t *ldpy = tag->dpys; ldpy; ldpy = ldpy->next) {
174 dpy_t *dpy = ldpy->data;
175 win_t *geom = dpy->geom;
176 printf(" dpy: <%-9p [%p->%p] >%-9p !%-9p - %d,%d %dx%d\n",
177 ldpy->prev, ldpy, ldpy->data, ldpy->next,
178 dpy->col, geom->x, geom->y, geom->h, geom->w);
179 for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next) {
180 col_t *col = lcol->data;
181 printf(" col: <%-9p [%p->%p] >%-9p !%-9p - %dpx @ %d\n",
182 lcol->prev, lcol, lcol->data, lcol->next,
183 col->row, col->width, col->mode);
184 for (list_t *lrow = col->rows; lrow; lrow = lrow->next) {
185 row_t *row = lrow->data;
186 win_t *win = row->win;
187 printf(" win: <%-9p [%p>>%p] >%-9p !%-9p - %4dpx focus=%d%d\n",
188 lrow->prev, lrow, win, lrow->next,
189 win, win->h, col->row == row, wm_focus == win);
193 static void cut_win(tag_t *tag, win_t *win)
195 list_t *ldpy, *lcol, *lrow;
196 if (!searchl(tag, win, &ldpy, &lcol, &lrow))
198 col_t *col = COL(lcol);
199 dpy_t *dpy = DPY(ldpy);
201 col->row = lrow->prev ? lrow->prev->data :
202 lrow->next ? lrow->next->data : NULL;
203 col->rows = list_remove(col->rows, lrow);
205 if (col->rows == NULL && (lcol->next || lcol->prev)) {
206 dpy->col = lcol->prev ? lcol->prev->data :
207 lcol->next ? lcol->next->data : NULL;
208 dpy->cols = list_remove(dpy->cols, lcol);
212 static void put_win(win_t *win, tag_t *tag, dpy_t *dpy, col_t *col)
214 row_t *row = new0(row_t);
219 dpy->cols = list_insert(dpy->cols, col);
222 int nrows = list_length(col->rows);
224 list_t *prev = list_find(col->rows, col->row);
225 list_insert_after(prev, row);
227 col->rows = list_insert(col->rows, row);
231 tag->dpy->col->row = row;
233 row->height = dpy->geom->h / MAX(nrows,1);
235 int ncols = list_length(dpy->cols);
236 col->width = dpy->geom->w / MAX(ncols-1,1);
240 static void shift_window(win_t *win, int col, int row)
243 printf("shift_window: %p - %+d,%+d\n", win, col, row);
245 printf("shift_window: >>>\n");
246 list_t *ldpy, *lcol, *lrow;
247 if (!searchl(wm_tag, win, &ldpy, &lcol, &lrow))
249 dpy_t *dpy = ldpy->data;
251 list_t *src = lrow, *dst = NULL;
252 if (row < 0) dst = src->prev;
253 if (row > 0) dst = src->next;
255 printf("swap: %p <-> %p\n", src->data, dst->data);
256 row_t *tmp = src->data;
257 src->data = dst->data;
262 int onlyrow = !lrow->prev && !lrow->next;
263 list_t *src = lcol, *dst = NULL;
267 } else if (!onlyrow) {
268 dpy->cols = list_insert(dpy->cols, new0(col_t));
270 } else if (ldpy->prev) {
271 dpy = ldpy->prev->data;
272 dst = list_last(dpy->cols);
280 } else if (!onlyrow) {
281 dpy->cols = list_append(dpy->cols, new0(col_t));
283 } else if (ldpy->next) {
284 dpy = ldpy->next->data;
290 cut_win(wm_tag, win);
291 put_win(win, wm_tag, dpy, dst ? dst->data : NULL);
299 static list_t *get_next(list_t *list, int forward)
301 list_t *next = forward ? list->next : list->prev;
304 while ((list = forward ? next->prev : next->next))
309 static void shift_focus(int cols, int rows)
311 printf("shift_focus: %+d,%+d\n", cols, rows);
312 if (rows != 0 && wm_focus) {
313 list_t *dpy, *col, *row;
314 if (!searchl(wm_tag, wm_focus, &dpy, &col, &row))
316 row_t *next = get_next(row, rows > 0)->data;
317 set_focus(next->win);
318 if (COL(col)->mode != split)
322 list_t *dpy, *col, *row, *ndpy, *ncol = NULL;
324 if (!searchl(wm_tag, wm_focus, &dpy, &col, &row))
326 ncol = cols > 0 ? col->next : col->prev;
328 dpy = list_find(wm_tag->dpys, wm_dpy);
331 ndpy = get_next(dpy, cols > 0);
332 ncol = cols > 0 ? DPY(ndpy)->cols :
333 list_last(DPY(ndpy)->cols);
336 if (ncol && COL(ncol) && COL(ncol)->row)
337 set_focus(COL(ncol)->row->win);
343 static tag_t *tag_new(list_t *screens, int name)
345 tag_t *tag = new0(tag_t);
347 for (list_t *cur = screens; cur; cur = cur->next) {
348 dpy_t *dpy = new0(dpy_t);
349 dpy->geom = cur->data;
350 tag->dpys = list_append(tag->dpys, dpy);
352 tag->dpy = tag->dpys->data;
356 static tag_t *tag_find(int name)
359 for (list_t *cur = wm->tags; cur; cur = cur->next)
360 if (name == TAG(cur)->name) {
365 tag = tag_new(wm->screens, name);
366 wm->tags = list_append(wm->tags, tag);
371 static void tag_set(win_t *win, int name)
373 printf("tag_set: %p %d\n", win, name);
374 if (wm_tag->name == name)
376 tag_t *tag = tag_find(name);
377 cut_win(wm_tag, win);
378 put_win(win, tag, tag->dpy, tag->dpy->col);
382 static void tag_switch(int name)
384 printf("tag_switch: %d\n", name);
385 if (wm_col->rows == NULL)
386 wm->tags = list_remove(wm->tags,
387 list_find(wm->tags, wm_tag));
388 wm_tag = tag_find(name);
391 /* Window management functions */
392 void wm_update_dpy(dpy_t *dpy)
394 int x=0, y=0; // Current window top-left position
395 int tx=0, ty=0; // Total x/y size
396 int mx=0, my=0; // Maximum x/y size (screen size)
397 int sy=0; // Size of focused stack window
399 /* Scale horizontally */
401 mx = dpy->geom->w - (list_length(dpy->cols)+1)*MARGIN;
402 for (list_t *lx = dpy->cols; lx; lx = lx->next)
403 tx += COL(lx)->width;
404 for (list_t *lx = dpy->cols; lx; lx = lx->next)
405 COL(lx)->width *= (float)mx / tx;
407 /* Scale each column vertically */
408 for (list_t *lx = dpy->cols; lx; lx = lx->next) {
409 col_t *col = lx->data;
411 for (list_t *ly = col->rows; ly; ly = ly->next)
412 ty += ROW(ly)->height;
414 my = dpy->geom->h - (list_length(col->rows)+1)*MARGIN;
415 sy = my - (list_length(col->rows)-1)*STACK;
416 for (list_t *ly = col->rows; ly; ly = ly->next) {
417 win_t *win = ROW(ly)->win;
418 win->h = ROW(ly)->height;
422 sys_move(win, x+MARGIN, y+MARGIN,
423 col->width, win->h * ((float)my / ty));
427 height = col->row->win == win ? sy : STACK;
428 sys_move(win, x+MARGIN, y+MARGIN,
433 sys_move(win, x+MARGIN, 0+MARGIN,
434 col->width, dpy->geom->h-2*MARGIN);
435 if (col->row->win == win)
439 y += height + MARGIN;
440 ROW(ly)->height = win->h;
442 x += col->width + MARGIN;
449 for (list_t *ltag = wm ->tags; ltag; ltag = ltag->next)
450 for (list_t *ldpy = TAG(ltag)->dpys; ldpy; ldpy = ldpy->next)
451 for (list_t *lcol = DPY(ldpy)->cols; lcol; lcol = lcol->next)
452 for (list_t *lrow = COL(lcol)->rows; lrow; lrow = lrow->next)
453 sys_show(ROW(lrow)->win,
454 ltag->data == wm_tag ? st_show : st_hide);
456 /* Refrsh the display */
457 for (list_t *ldpy = wm_tag->dpys; ldpy; ldpy = ldpy->next)
458 wm_update_dpy(ldpy->data);
463 int wm_handle_key(win_t *win, Key_t key, mod_t mod, ptr_t ptr)
465 if (!win || win == wm_dpy->geom) return 0;
466 //printf("wm_handle_key: %p - %x %c%c%c%c%c\n", win, key,
467 // mod.up ? '^' : 'v',
468 // mod.alt ? 'a' : '-',
469 // mod.ctrl ? 'c' : '-',
470 // mod.shift ? 's' : '-',
471 // mod.win ? 'w' : '-');
474 if (key_mouse0 <= key && key <= key_mouse7 && mod.up)
475 return set_move(win,ptr,none), 1;
476 else if (key == key_mouse1 && mod.MODKEY)
477 return set_move(win,ptr,move), 1;
478 else if (key == key_mouse3 && mod.MODKEY)
479 return set_move(win,ptr,resize), 1;
481 /* Only handle key-down */
487 if (key == key_f1) return sys_raise(win), 1;
488 if (key == key_f2) return set_focus(win), 1;
489 if (key == key_f3) return sys_show(win, st_show), 1;
490 if (key == key_f4) return sys_show(win, st_hide), 1;
491 if (key == key_f5) return wm_update(), 1;
492 if (key == key_f6) return print_txt(), 1;
494 if (key_mouse0 <= key && key <= key_mouse7)
497 /* Movement commands */
498 if (mod.MODKEY && mod.shift) {
500 case 'h': return shift_window(wm_focus,-1, 0), 1;
501 case 'j': return shift_window(wm_focus, 0,+1), 1;
502 case 'k': return shift_window(wm_focus, 0,-1), 1;
503 case 'l': return shift_window(wm_focus,+1, 0), 1;
507 else if (mod.MODKEY) {
509 case 'h': return shift_focus(-1, 0), 1;
510 case 'j': return shift_focus( 0,+1), 1;
511 case 'k': return shift_focus( 0,-1), 1;
512 case 'l': return shift_focus(+1, 0), 1;
517 /* Column mode commands */
520 case 'd': return set_mode(win, split), 1;
521 case 's': return set_mode(win, stack), 1;
522 case 'm': return set_mode(win, max), 1;
523 case 't': return set_mode(win, tab), 1;
529 if (mod.MODKEY && '0' <= key && key <= '9') {
530 int name = key - '0';
539 if (key == key_enter)
540 return set_focus(win), 1;
542 if (key_mouse0 <= key && key <= key_mouse7)
543 return set_focus(win), 0;
545 /* Reset focus after after focus change,
546 * not sure what is causing the focus change in the first place
547 * but preventing that would be a better solution */
548 if (key == key_focus)
549 sys_focus(wm_focus ?: wm->root);
554 int wm_handle_ptr(win_t *cwin, ptr_t ptr)
556 //printf("wm_handle_ptr: %p - %d,%d %d,%d (%d) -- \n",
557 // cwin, ptr.x, ptr.y, ptr.rx, ptr.ry, move_mode);
559 if (move_mode == none)
563 int dx = ptr.rx - move_prev.rx;
564 int dy = ptr.ry - move_prev.ry;
566 if (move_mode == resize) {
567 list_t *vert = move_dir.v < 0 ? move_lrow->prev : move_lrow->next;
568 list_t *horz = move_dir.h < 0 ? move_lcol->prev : move_lcol->next;
570 ROW(move_lrow)->height += move_dir.v * dy;
571 ROW(vert)->height -= move_dir.v * dy;
574 COL(move_lcol)->width += move_dir.h * dx;
575 COL(horz)->width -= move_dir.h * dx;
581 //win_t *mwin = move_win;
582 //int dx = ptr.rx - move_prev.rx;
583 //int dy = ptr.ry - move_prev.ry;
585 //if (move_mode == move)
586 // sys_move(mwin, mwin->x+dx, mwin->y+dy, mwin->w, mwin->h);
587 //else if (move_mode == resize)
588 // sys_move(mwin, mwin->x, mwin->y, mwin->w+dx, mwin->h+dy);
593 void wm_insert(win_t *win)
595 printf("wm_insert: %p\n", win);
598 /* Initialize window */
599 win->wm = new0(win_wm_t);
600 sys_watch(win, key_enter, MOD());
601 sys_watch(win, key_focus, MOD());
604 put_win(win, wm_tag, wm_dpy, wm_col);
612 void wm_remove(win_t *win)
614 printf("wm_remove: %p\n", win);
616 for (list_t *tag = wm->tags; tag; tag = tag->next)
617 cut_win(tag->data, win);
623 void wm_init(win_t *root)
625 printf("wm_init: %p\n", root);
627 /* Hack, fix screen order */
628 list_t *screens = sys_info(root);
629 list_t *left = screens;
630 list_t *right = screens->next;
631 if (left && right && WIN(left)->x > WIN(right)->x) {
632 void *tmp = left->data;
633 left->data = right->data;
639 wm->screens = screens;
640 wm->tag = tag_new(wm->screens, 1);
641 wm->tags = list_insert(NULL, wm->tag);
643 Key_t keys_e[] = {key_enter, key_focus};
644 Key_t keys_s[] = {'h', 'j', 'k', 'l',
645 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
646 Key_t keys_m[] = {'h', 'j', 'k', 'l', 'd', 's', 'm', 't',
647 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
648 /*key_f1, key_f2, key_f3, key_f4,*/ key_f5, key_f6,
649 key_mouse1, key_mouse3};
650 for (int i = 0; i < countof(keys_e); i++)
651 sys_watch(root, keys_e[i], MOD());
652 for (int i = 0; i < countof(keys_m); i++)
653 sys_watch(root, keys_m[i], MOD(.MODKEY=1));
654 for (int i = 0; i < countof(keys_s); i++)
655 sys_watch(root, keys_s[i], MOD(.MODKEY=1,.shift=1));