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_focus 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
71 #define ROW(l) ((row_t*)(l)->data)
72 #define COL(l) ((col_t*)(l)->data)
73 #define DPY(l) ((dpy_t*)(l)->data)
74 #define TAG(l) ((tag_t*)(l)->data)
76 /* Helper functions */
77 static int searchl(tag_t *tag, win_t *target,
78 list_t **_dpy, list_t **_col, list_t **_row)
80 for (list_t *dpy = tag ->dpys; dpy; dpy = dpy->next)
81 for (list_t *col = DPY(dpy)->cols; col; col = col->next)
82 for (list_t *row = COL(col)->rows; row; row = row->next) {
83 win_t *win = ROW(row)->win;
85 if (_dpy) *_dpy = dpy;
86 if (_col) *_col = col;
87 if (_row) *_row = row;
94 static int search(tag_t *tag, win_t *target,
95 dpy_t **_dpy, col_t **_col, row_t **_row)
97 list_t *dpy, *col, *row;
98 if (searchl(tag, target, &dpy, &col, &row)) {
99 if (_dpy) *_dpy = DPY(dpy);
100 if (_col) *_col = COL(col);
101 if (_row) *_row = ROW(row);
107 static void set_mode(win_t *win, mode_t mode)
110 search(wm_tag, win, NULL, &col, NULL);
111 printf("set_mode: %p, %d -> %d\n",
112 col, col->mode, mode);
114 if (col->mode == split)
115 for (list_t *cur = col->rows; cur; cur = cur->next) {
116 row_t *row = cur->data;
117 row->height = wm_dpy->geom->h;
122 static void set_focus(win_t *win)
124 /* - Only grab mouse button on unfocused window,
125 * this prevents stealing all mouse clicks from client windows,
126 * - A better way may be to re-send mouse clicks to client windows
127 * using the return value from wm_handle_key */
128 for (int i = key_mouse1; i < key_mouse7; i++) {
130 sys_watch(wm_focus, i, MOD());
131 sys_unwatch(win, i, MOD());
134 dpy_t *dpy; col_t *col; row_t *row;
135 if (search(wm_tag, win, &dpy, &col, &row)) {
143 static void set_move(win_t *win, ptr_t ptr, drag_t drag)
145 printf("set_move: %d - %p@%d,%d\n",
146 drag, win, ptr.rx, ptr.ry);
148 if (drag == move || drag == resize) {
149 searchl(wm_tag, win, NULL, &move_lcol, &move_lrow);
151 int my = win->y + (win->h/2);
152 int mx = win->x + (win->w/2);
153 move_dir.v = ptr.ry < my ? -1 : +1;
154 move_dir.h = ptr.rx < mx ? -1 : +1;
158 static void print_txt(list_t *cols)
160 for (list_t *lcol = cols; lcol; lcol = lcol->next) {
161 col_t *col = lcol->data;
162 printf("col:\t<%-9p [%-20p] >%-9p - %dpx @ %d !!%p\n",
163 ( lcol->prev ? lcol->prev->data : NULL ),
165 ( lcol->next ? lcol->next->data : NULL ),
166 col->width, col->mode, col->row);
167 for (list_t *lrow = col->rows; lrow; lrow = lrow->next) {
168 row_t *row = lrow->data;
169 win_t *win = row->win;
170 printf(" win:\t<%-9p [%p>>%p] >%-9p - %4dpx focus=%d%d\n",
171 lrow->prev, lrow, win, lrow->next,
172 win->h, col->row == row, wm_focus == win);
177 static void cut_win(win_t *win)
179 list_t *ldpy, *lcol, *lrow;
180 searchl(wm_tag, win, &ldpy, &lcol, &lrow);
181 col_t *col = COL(lcol);
182 dpy_t *dpy = DPY(ldpy);
184 col->row = lrow->prev ? lrow->prev->data :
185 lrow->next ? lrow->next->data : NULL;
186 col->rows = list_remove(col->rows, lrow);
188 if (col->rows == NULL && (lcol->next || lcol->prev)) {
189 dpy->col = lcol->prev ? lcol->prev->data :
190 lcol->next ? lcol->next->data : NULL;
191 dpy->cols = list_remove(wm_dpy->cols, lcol);
195 static void put_win(win_t *win, col_t *col)
197 row_t *row = new0(row_t);
202 wm_dpy->cols = list_insert(wm_dpy->cols, col);
205 int nrows = list_length(col->rows);
207 list_t *prev = list_find(col->rows, col->row);
208 list_insert_after(prev, row);
210 col->rows = list_insert(col->rows, row);
215 row->height = wm_dpy->geom->h / MAX(nrows,1);
217 int ncols = list_length(wm_dpy->cols);
218 col->width = wm_dpy->geom->w / MAX(ncols-1,1);
222 static void shift_window(win_t *win, int col, int row)
224 printf("shift_window: %p - %+d,%+d\n", win, col, row);
225 print_txt(wm_dpy->cols);
226 printf("shift_window: >>>\n");
227 list_t *ldpy, *lcol, *lrow;
228 searchl(wm_tag, win, &ldpy, &lcol, &lrow);
230 list_t *src = lrow, *dst = NULL;
231 if (row < 0) dst = src->prev;
232 if (row > 0) dst = src->next;
234 printf("swap: %p <-> %p\n", src->data, dst->data);
235 row_t *tmp = src->data;
236 src->data = dst->data;
241 int onlyrow = !lrow->prev && !lrow->next;
242 list_t *src = lcol, *dst = NULL;
244 if (!src->prev && !onlyrow)
245 wm_dpy->cols = list_insert(wm_dpy->cols, new0(col_t));
249 if (!src->next && !onlyrow)
250 wm_dpy->cols = list_append(wm_dpy->cols, new0(col_t));
255 put_win(win, COL(dst));
261 print_txt(wm_dpy->cols);
265 static list_t *get_next(list_t *list, int forward)
267 list_t *next = forward ? list->next : list->prev;
270 while ((list = forward ? next->prev : next->next))
275 static void shift_focus(win_t *win, int col, int row)
277 printf("shift_focus: %p - %+d,%+d\n", win, col, row);
278 list_t *ldpy, *lcol, *lrow;
279 searchl(wm_tag, win, &ldpy, &lcol, &lrow);
281 row_t *next = get_next(lrow, row > 0)->data;
282 set_focus(next->win);
283 if (COL(lcol)->mode != split)
287 col_t *next = get_next(lcol, col > 0)->data;
288 set_focus(next->row->win);
292 /* Window management functions */
295 int x=0, y=0; // Current window top-left position
296 int tx=0, ty=0; // Total x/y size
297 int mx=0, my=0; // Maximum x/y size (screen size)
298 int sy=0; // Size of focused stack window
300 /* Scale horizontally */
302 mx = wm_dpy->geom->w - (list_length(wm_dpy->cols)+1)*MARGIN;
303 for (list_t *lx = wm_dpy->cols; lx; lx = lx->next)
304 tx += COL(lx)->width;
305 for (list_t *lx = wm_dpy->cols; lx; lx = lx->next)
306 COL(lx)->width *= (float)mx / tx;
308 /* Scale each column vertically */
309 for (list_t *lx = wm_dpy->cols; lx; lx = lx->next) {
310 col_t *col = lx->data;
312 for (list_t *ly = col->rows; ly; ly = ly->next)
313 ty += ROW(ly)->height;
315 my = wm_dpy->geom->h - (list_length(col->rows)+1)*MARGIN;
316 sy = my - (list_length(col->rows)-1)*STACK;
317 for (list_t *ly = col->rows; ly; ly = ly->next) {
318 win_t *win = ROW(ly)->win;
319 win->h = ROW(ly)->height;
323 sys_move(win, x+MARGIN, y+MARGIN,
324 col->width, win->h * ((float)my / ty));
328 height = col->row->win == win ? sy : STACK;
329 sys_move(win, x+MARGIN, y+MARGIN,
334 sys_move(win, x+MARGIN, 0+MARGIN,
335 col->width, wm_dpy->geom->h-2*MARGIN);
336 if (col->row->win == win)
340 y += height + MARGIN;
341 ROW(ly)->height = win->h;
343 x += col->width + MARGIN;
347 int wm_handle_key(win_t *win, Key_t key, mod_t mod, ptr_t ptr)
349 if (!win || win == wm_dpy->geom) return 0;
350 //printf("wm_handle_key: %p - %x %c%c%c%c%c\n", win, key,
351 // mod.up ? '^' : 'v',
352 // mod.alt ? 'a' : '-',
353 // mod.ctrl ? 'c' : '-',
354 // mod.shift ? 's' : '-',
355 // mod.win ? 'w' : '-');
358 if (key_mouse0 <= key && key <= key_mouse7 && mod.up)
359 return set_move(win,ptr,none), 1;
360 else if (key == key_mouse1 && mod.MODKEY)
361 return set_move(win,ptr,move), 1;
362 else if (key == key_mouse3 && mod.MODKEY)
363 return set_move(win,ptr,resize), 1;
365 /* Only handle key-down */
371 if (key == key_f1) return sys_raise(win), 1;
372 if (key == key_f2) return set_focus(win), 1;
373 if (key == key_f5) return wm_update(), 1;
374 if (key == key_f6) return print_txt(wm_dpy->cols), 1;
376 if (key_mouse0 <= key && key <= key_mouse7)
379 /* Movement commands */
380 if (mod.MODKEY && mod.shift) {
382 case 'h': return shift_window(win,-1, 0), 1;
383 case 'j': return shift_window(win, 0,+1), 1;
384 case 'k': return shift_window(win, 0,-1), 1;
385 case 'l': return shift_window(win,+1, 0), 1;
389 else if (mod.MODKEY) {
391 case 'h': return shift_focus(win,-1, 0), 1;
392 case 'j': return shift_focus(win, 0,+1), 1;
393 case 'k': return shift_focus(win, 0,-1), 1;
394 case 'l': return shift_focus(win,+1, 0), 1;
399 /* Column mode commands */
402 case 'd': return set_mode(win, split), 1;
403 case 's': return set_mode(win, stack), 1;
404 case 'm': return set_mode(win, max), 1;
405 case 't': return set_mode(win, tab), 1;
411 if (key == key_enter)
412 return set_focus(win), 1;
414 if (key_mouse0 <= key && key <= key_mouse7)
415 return set_focus(win), 0;
417 /* Reset focus after after focus change,
418 * not sure what is causing the focus change in the first place
419 * but preventing that would be a better solution */
420 if (key == key_focus)
426 int wm_handle_ptr(win_t *cwin, ptr_t ptr)
428 //printf("wm_handle_ptr: %p - %d,%d %d,%d (%d) -- \n",
429 // cwin, ptr.x, ptr.y, ptr.rx, ptr.ry, move_mode);
431 if (move_mode == none)
435 int dx = ptr.rx - move_prev.rx;
436 int dy = ptr.ry - move_prev.ry;
438 if (move_mode == resize) {
439 list_t *vert = move_dir.v < 0 ? move_lrow->prev : move_lrow->next;
440 list_t *horz = move_dir.h < 0 ? move_lcol->prev : move_lcol->next;
442 ROW(move_lrow)->height += move_dir.v * dy;
443 ROW(vert)->height -= move_dir.v * dy;
446 COL(move_lcol)->width += move_dir.h * dx;
447 COL(horz)->width -= move_dir.h * dx;
453 //win_t *mwin = move_win;
454 //int dx = ptr.rx - move_prev.rx;
455 //int dy = ptr.ry - move_prev.ry;
457 //if (move_mode == move)
458 // sys_move(mwin, mwin->x+dx, mwin->y+dy, mwin->w, mwin->h);
459 //else if (move_mode == resize)
460 // sys_move(mwin, mwin->x, mwin->y, mwin->w+dx, mwin->h+dy);
465 void wm_insert(win_t *win)
467 printf("wm_insert: %p\n", win);
468 print_txt(wm_dpy->cols);
470 /* Initialize window */
471 win->wm = new0(win_wm_t);
472 sys_watch(win, key_enter, MOD());
473 sys_watch(win, key_focus, MOD());
476 put_win(win, wm_col);
481 print_txt(wm_dpy->cols);
484 void wm_remove(win_t *win)
486 printf("wm_remove: %p\n", win);
487 print_txt(wm_dpy->cols);
494 print_txt(wm_dpy->cols);
497 tag_t *tag_new(list_t *screens, int name)
499 tag_t *tag = new0(tag_t);
501 for (list_t *cur = screens; cur; cur = cur->next) {
502 dpy_t *dpy = new0(dpy_t);
503 dpy->geom = cur->data;
504 tag->dpys = list_append(tag->dpys, dpy);
506 tag->dpy = tag->dpys->data;
510 void wm_init(win_t *root)
512 printf("wm_init: %p\n", root);
516 wm->screens = sys_info(root);
517 wm->tag = tag_new(wm->screens, 1);
518 wm->tags = list_insert(NULL, wm->tag);
520 Key_t keys_e[] = {key_enter, key_focus};
521 Key_t keys_s[] = {'h', 'j', 'k', 'l'};
522 Key_t keys_m[] = {'h', 'j', 'k', 'l', 'd', 's', 'm', 't',
523 key_f1, key_f2, key_f5, key_f6, key_mouse1, key_mouse3};
524 for (int i = 0; i < countof(keys_e); i++)
525 sys_watch(root, keys_e[i], MOD());
526 for (int i = 0; i < countof(keys_m); i++)
527 sys_watch(root, keys_m[i], MOD(.MODKEY=1));
528 for (int i = 0; i < countof(keys_s); i++)
529 sys_watch(root, keys_s[i], MOD(.MODKEY=1,.shift=1));