24 split, stack, max, tab
28 /* Window structure types */
37 list_t *rows; // of row_t
44 list_t *cols; // of col_t
50 list_t *dpys; // of dpy_t
56 list_t *tags; // of tag_t
63 static drag_t move_mode;
64 static list_t *move_lrow;
65 static list_t *move_lcol;
66 static ptr_t move_prev;
67 static struct { int v, h; } move_dir;
69 /* Window management data */
71 #define wm_win wm->tag->dpy->col->row->win
72 #define wm_row wm->tag->dpy->col->row
73 #define wm_col wm->tag->dpy->col
74 #define wm_dpy wm->tag->dpy
75 #define wm_tag wm->tag
76 #define wm_focus (wm_tag && wm_dpy && wm_col && wm_row ? wm_win : NULL)
78 #define WIN(l) ((win_t*)(l)->data)
79 #define ROW(l) ((row_t*)(l)->data)
80 #define COL(l) ((col_t*)(l)->data)
81 #define DPY(l) ((dpy_t*)(l)->data)
82 #define TAG(l) ((tag_t*)(l)->data)
84 #define tag_foreach(tag, dpy, col, row, win) \
85 for (list_t *dpy = tag ->dpys; dpy; dpy = dpy->next) \
86 for (list_t *col = DPY(dpy)->cols; col; col = col->next) \
87 for (list_t *row = COL(col)->rows; row; row = row->next) \
88 for (win_t *win = ROW(row)->win; win; win = NULL) \
90 /* Helper functions */
91 static int searchl(tag_t *tag, win_t *target,
92 list_t **_dpy, list_t **_col, list_t **_row)
94 tag_foreach(tag, dpy, col, row, win) {
96 if (_dpy) *_dpy = dpy;
97 if (_col) *_col = col;
98 if (_row) *_row = row;
105 static int search(tag_t *tag, win_t *target,
106 dpy_t **_dpy, col_t **_col, row_t **_row)
108 list_t *dpy, *col, *row;
109 if (searchl(tag, target, &dpy, &col, &row)) {
110 if (_dpy) *_dpy = DPY(dpy);
111 if (_col) *_col = COL(col);
112 if (_row) *_row = ROW(row);
118 static void set_mode(win_t *win, mode_t mode)
121 if (!search(wm_tag, win, NULL, &col, NULL))
123 printf("set_mode: %p, %d -> %d\n",
124 col, col->mode, mode);
126 if (col->mode == split)
127 for (list_t *cur = col->rows; cur; cur = cur->next) {
128 row_t *row = cur->data;
129 row->height = wm_dpy->geom->h;
134 static void set_focus(win_t *win)
136 if (win == NULL || win == wm->root) {
141 /* - Only grab mouse button on unfocused window,
142 * this prevents stealing all mouse clicks from client windows,
143 * - A better way may be to re-send mouse clicks to client windows
144 * using the return value from wm_handle_key */
145 for (int i = key_mouse1; i < key_mouse7; i++) {
147 sys_watch(wm_focus, i, MOD());
148 sys_unwatch(win, i, MOD());
151 dpy_t *dpy; col_t *col; row_t *row;
152 if (search(wm_tag, win, &dpy, &col, &row)) {
160 static void set_move(win_t *win, ptr_t ptr, drag_t drag)
162 printf("set_move: %d - %p@%d,%d\n",
163 drag, win, ptr.rx, ptr.ry);
165 if (drag == move || drag == resize) {
166 searchl(wm_tag, win, NULL, &move_lcol, &move_lrow);
168 int my = win->y + (win->h/2);
169 int mx = win->x + (win->w/2);
170 move_dir.v = ptr.ry < my ? -1 : +1;
171 move_dir.h = ptr.rx < mx ? -1 : +1;
175 static void print_txt(void)
177 for (list_t *ltag = wm->tags; ltag; ltag = ltag->next) {
178 tag_t *tag = ltag->data;
179 printf("tag: <%-9p [%p->%p] >%-9p !%-9p - %d\n",
180 ltag->prev, ltag, ltag->data, ltag->next,
181 tag->dpy, tag->name);
182 for (list_t *ldpy = tag->dpys; ldpy; ldpy = ldpy->next) {
183 dpy_t *dpy = ldpy->data;
184 win_t *geom = dpy->geom;
185 printf(" dpy: <%-9p [%p->%p] >%-9p !%-9p - %d,%d %dx%d\n",
186 ldpy->prev, ldpy, ldpy->data, ldpy->next,
187 dpy->col, geom->x, geom->y, geom->h, geom->w);
188 for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next) {
189 col_t *col = lcol->data;
190 printf(" col: <%-9p [%p->%p] >%-9p !%-9p - %dpx @ %d\n",
191 lcol->prev, lcol, lcol->data, lcol->next,
192 col->row, col->width, col->mode);
193 for (list_t *lrow = col->rows; lrow; lrow = lrow->next) {
194 row_t *row = lrow->data;
195 win_t *win = row->win;
196 printf(" win: <%-9p [%p>>%p] >%-9p !%-9p - %4dpx focus=%d%d\n",
197 lrow->prev, lrow, win, lrow->next,
198 win, win->h, col->row == row, wm_focus == win);
202 static void cut_win(tag_t *tag, win_t *win)
204 list_t *ldpy, *lcol, *lrow;
205 if (!searchl(tag, win, &ldpy, &lcol, &lrow))
207 col_t *col = COL(lcol);
208 dpy_t *dpy = DPY(ldpy);
210 col->row = lrow->prev ? lrow->prev->data :
211 lrow->next ? lrow->next->data : NULL;
212 col->rows = list_remove(col->rows, lrow);
214 if (col->rows == NULL && (lcol->next || lcol->prev)) {
215 dpy->col = lcol->prev ? lcol->prev->data :
216 lcol->next ? lcol->next->data : NULL;
217 dpy->cols = list_remove(dpy->cols, lcol);
221 static void put_win(win_t *win, tag_t *tag, dpy_t *dpy, col_t *col)
223 row_t *row = new0(row_t);
228 dpy->cols = list_insert(dpy->cols, col);
231 int nrows = list_length(col->rows);
233 list_t *prev = list_find(col->rows, col->row);
234 list_insert_after(prev, row);
236 col->rows = list_insert(col->rows, row);
240 tag->dpy->col->row = row;
242 row->height = dpy->geom->h / MAX(nrows,1);
244 int ncols = list_length(dpy->cols);
245 col->width = dpy->geom->w / MAX(ncols-1,1);
249 static void shift_window(win_t *win, int col, int row)
252 printf("shift_window: %p - %+d,%+d\n", win, col, row);
254 printf("shift_window: >>>\n");
255 list_t *ldpy, *lcol, *lrow;
256 if (!searchl(wm_tag, win, &ldpy, &lcol, &lrow))
258 dpy_t *dpy = ldpy->data;
260 list_t *src = lrow, *dst = NULL;
261 if (row < 0) dst = src->prev;
262 if (row > 0) dst = src->next;
264 printf("swap: %p <-> %p\n", src->data, dst->data);
265 row_t *tmp = src->data;
266 src->data = dst->data;
271 int onlyrow = !lrow->prev && !lrow->next;
272 list_t *src = lcol, *dst = NULL;
276 } else if (!onlyrow) {
277 dpy->cols = list_insert(dpy->cols, new0(col_t));
279 } else if (ldpy->prev) {
280 dpy = ldpy->prev->data;
281 dst = list_last(dpy->cols);
289 } else if (!onlyrow) {
290 dpy->cols = list_append(dpy->cols, new0(col_t));
292 } else if (ldpy->next) {
293 dpy = ldpy->next->data;
299 cut_win(wm_tag, win);
300 put_win(win, wm_tag, dpy, dst ? dst->data : NULL);
308 static list_t *get_next(list_t *list, int forward)
310 list_t *next = forward ? list->next : list->prev;
313 while ((list = forward ? next->prev : next->next))
318 static void shift_focus(int cols, int rows)
320 printf("shift_focus: %+d,%+d\n", cols, rows);
321 if (rows != 0 && wm_focus) {
322 list_t *dpy, *col, *row;
323 if (!searchl(wm_tag, wm_focus, &dpy, &col, &row))
325 row_t *next = get_next(row, rows > 0)->data;
326 set_focus(next->win);
327 if (COL(col)->mode != split)
331 list_t *dpy, *col, *row, *ndpy, *ncol = NULL;
333 if (!searchl(wm_tag, wm_focus, &dpy, &col, &row))
335 ncol = cols > 0 ? col->next : col->prev;
337 dpy = list_find(wm_tag->dpys, wm_dpy);
340 ndpy = get_next(dpy, cols > 0);
341 ncol = cols > 0 ? DPY(ndpy)->cols :
342 list_last(DPY(ndpy)->cols);
345 if (ncol && COL(ncol) && COL(ncol)->row)
346 set_focus(COL(ncol)->row->win);
352 static tag_t *tag_new(list_t *screens, int name)
354 tag_t *tag = new0(tag_t);
356 for (list_t *cur = screens; cur; cur = cur->next) {
357 dpy_t *dpy = new0(dpy_t);
358 dpy->geom = cur->data;
359 tag->dpys = list_append(tag->dpys, dpy);
361 tag->dpy = tag->dpys->data;
365 static tag_t *tag_find(int name)
368 for (list_t *cur = wm->tags; cur; cur = cur->next)
369 if (name == TAG(cur)->name) {
374 tag = tag_new(wm->screens, name);
375 wm->tags = list_append(wm->tags, tag);
380 static void tag_set(win_t *win, int name)
382 printf("tag_set: %p %d\n", win, name);
383 if (wm_tag->name == name)
385 tag_t *tag = tag_find(name);
386 cut_win(wm_tag, win);
387 put_win(win, tag, tag->dpy, tag->dpy->col);
391 static void tag_switch(int name)
393 printf("tag_switch: %d\n", name);
394 if (wm_col == NULL || wm_row == NULL)
395 wm->tags = list_remove(wm->tags,
396 list_find(wm->tags, wm_tag));
397 wm_tag = tag_find(name);
400 /* Window management functions */
401 void wm_update_dpy(dpy_t *dpy)
403 int x=0, y=0; // Current window top-left position
404 int tx=0, ty=0; // Total x/y size
405 int mx=0, my=0; // Maximum x/y size (screen size)
406 int sy=0; // Size of focused stack window
408 /* Scale horizontally */
410 mx = dpy->geom->w - (list_length(dpy->cols)+1)*MARGIN;
411 for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next)
412 tx += COL(lcol)->width;
413 for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next)
414 COL(lcol)->width *= (float)mx / tx;
416 /* Scale each column vertically */
417 for (list_t *lcol = dpy->cols; lcol; lcol = lcol->next) {
418 col_t *col = lcol->data;
420 for (list_t *lrow = col->rows; lrow; lrow = lrow->next)
421 ty += ROW(lrow)->height;
423 my = dpy->geom->h - (list_length(col->rows)+1)*MARGIN;
424 sy = my - (list_length(col->rows)-1)*STACK;
425 for (list_t *lrow = col->rows; lrow; lrow = lrow->next) {
426 win_t *win = ROW(lrow)->win;
427 win->h = ROW(lrow)->height;
431 sys_move(win, x+MARGIN, y+MARGIN,
432 col->width, win->h * ((float)my / ty));
436 if (lrow->next && ROW(lrow->next)->win == col->row->win) {
437 /* Hack to prevent flashing */
438 win_t *next = ROW(lrow->next)->win;
439 sys_move(next, x+MARGIN, y+MARGIN+STACK+MARGIN,
442 height = win == col->row->win ? sy : STACK;
443 sys_move(win, x+MARGIN, y+MARGIN,
448 sys_move(win, x+MARGIN, 0+MARGIN,
449 col->width, dpy->geom->h-2*MARGIN);
450 if (col->row->win == win)
454 y += height + MARGIN;
455 ROW(lrow)->height = win->h;
457 x += col->width + MARGIN;
464 tag_foreach(wm_tag, dpy, col, row, win)
465 sys_show(win, st_show);
466 for (list_t *tag = wm ->tags; tag; tag = tag->next)
467 tag_foreach(TAG(tag), dpy, col, row, win)
468 if (tag->data != wm_tag)
469 sys_show(win, st_hide);
471 /* Refrsh the display */
472 for (list_t *ldpy = wm_tag->dpys; ldpy; ldpy = ldpy->next)
473 wm_update_dpy(ldpy->data);
478 int wm_handle_key(win_t *win, Key_t key, mod_t mod, ptr_t ptr)
480 if (!win || win == wm_dpy->geom) return 0;
481 //printf("wm_handle_key: %p - %x %c%c%c%c%c\n", win, key,
482 // mod.up ? '^' : 'v',
483 // mod.alt ? 'a' : '-',
484 // mod.ctrl ? 'c' : '-',
485 // mod.shift ? 's' : '-',
486 // mod.win ? 'w' : '-');
489 if (key_mouse0 <= key && key <= key_mouse7 && mod.up)
490 return set_move(win,ptr,none), 0;
491 else if (key == key_mouse1 && mod.MODKEY)
492 return set_move(win,ptr,move), 1;
493 else if (key == key_mouse3 && mod.MODKEY)
494 return set_move(win,ptr,resize), 1;
496 /* Only handle key-down */
503 if (key == key_f1) return sys_raise(win), 1;
504 if (key == key_f2) return set_focus(win), 1;
505 if (key == key_f3) return sys_show(win, st_show), 1;
506 if (key == key_f4) return sys_show(win, st_hide), 1;
508 if (key == key_f5) return wm_update(), 1;
509 if (key == key_f6) return print_txt(), 1;
511 if (key_mouse0 <= key && key <= key_mouse7)
514 /* Movement commands */
515 if (mod.MODKEY && mod.shift) {
517 case 'h': return shift_window(wm_focus,-1, 0), 1;
518 case 'j': return shift_window(wm_focus, 0,+1), 1;
519 case 'k': return shift_window(wm_focus, 0,-1), 1;
520 case 'l': return shift_window(wm_focus,+1, 0), 1;
524 else if (mod.MODKEY) {
526 case 'h': return shift_focus(-1, 0), 1;
527 case 'j': return shift_focus( 0,+1), 1;
528 case 'k': return shift_focus( 0,-1), 1;
529 case 'l': return shift_focus(+1, 0), 1;
534 /* Column mode commands */
537 case 'd': return set_mode(win, split), 1;
538 case 's': return set_mode(win, stack), 1;
539 case 'm': return set_mode(win, max), 1;
540 case 't': return set_mode(win, tab), 1;
546 if (mod.MODKEY && '0' <= key && key <= '9') {
547 int name = key - '0';
556 if (key == key_enter)
557 return set_focus(win), 1;
559 if (key_mouse0 <= key && key <= key_mouse7)
560 return set_focus(win), 0;
562 /* Reset focus after after focus change,
563 * not sure what is causing the focus change in the first place
564 * but preventing that would be a better solution */
565 if (key == key_focus)
566 sys_focus(wm_focus ?: wm->root);
571 int wm_handle_ptr(win_t *cwin, ptr_t ptr)
573 //printf("wm_handle_ptr: %p - %d,%d %d,%d (%d) -- \n",
574 // cwin, ptr.x, ptr.y, ptr.rx, ptr.ry, move_mode);
576 if (move_mode == none)
580 int dx = ptr.rx - move_prev.rx;
581 int dy = ptr.ry - move_prev.ry;
583 if (move_mode == resize) {
584 list_t *vert = move_dir.v < 0 ? move_lrow->prev : move_lrow->next;
585 list_t *horz = move_dir.h < 0 ? move_lcol->prev : move_lcol->next;
587 ROW(move_lrow)->height += move_dir.v * dy;
588 ROW(vert)->height -= move_dir.v * dy;
591 COL(move_lcol)->width += move_dir.h * dx;
592 COL(horz)->width -= move_dir.h * dx;
598 //win_t *mwin = move_win;
599 //int dx = ptr.rx - move_prev.rx;
600 //int dy = ptr.ry - move_prev.ry;
602 //if (move_mode == move)
603 // sys_move(mwin, mwin->x+dx, mwin->y+dy, mwin->w, mwin->h);
604 //else if (move_mode == resize)
605 // sys_move(mwin, mwin->x, mwin->y, mwin->w+dx, mwin->h+dy);
610 void wm_insert(win_t *win)
612 printf("wm_insert: %p\n", win);
615 /* Initialize window */
616 win->wm = new0(win_wm_t);
617 sys_watch(win, key_enter, MOD());
618 sys_watch(win, key_focus, MOD());
621 put_win(win, wm_tag, wm_dpy, wm_col);
629 void wm_remove(win_t *win)
631 printf("wm_remove: %p\n", win);
633 for (list_t *tag = wm->tags; tag; tag = tag->next)
634 cut_win(tag->data, win);
640 void wm_init(win_t *root)
642 printf("wm_init: %p\n", root);
644 /* Hack, fix screen order */
645 list_t *screens = sys_info(root);
646 list_t *left = screens;
647 list_t *right = screens->next;
648 if (left && right && WIN(left)->x > WIN(right)->x) {
649 void *tmp = left->data;
650 left->data = right->data;
656 wm->screens = screens;
657 wm->tag = tag_new(wm->screens, 1);
658 wm->tags = list_insert(NULL, wm->tag);
660 Key_t keys_e[] = {key_enter, key_focus};
661 Key_t keys_s[] = {'h', 'j', 'k', 'l',
662 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
663 Key_t keys_m[] = {'h', 'j', 'k', 'l', 'd', 's', 'm', 't',
664 '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
665 key_f1, key_f2, key_f3, key_f4, key_f5, key_f6,
666 key_mouse1, key_mouse3};
667 for (int i = 0; i < countof(keys_e); i++)
668 sys_watch(root, keys_e[i], MOD());
669 for (int i = 0; i < countof(keys_m); i++)
670 sys_watch(root, keys_m[i], MOD(.MODKEY=1));
671 for (int i = 0; i < countof(keys_s); i++)
672 sys_watch(root, keys_s[i], MOD(.MODKEY=1,.shift=1));