14 list_t *col; // node in wm_cols
15 list_t *row; // node in col->rows
23 split, stack, max, tab
34 static drag_t move_mode;
35 static win_t *move_win;
36 static ptr_t move_prev;
37 static struct { int v, h; } move_dir;
39 /* Window management data */
40 static win_t *wm_focus;
41 static list_t *wm_cols;
42 static win_t *wm_root;
44 /* Helper functions */
45 static void set_mode(win_t *win, mode_t mode)
47 if (!win->wm || !win->wm->col)
49 col_t *col = win->wm->col->data;
50 printf("set_mode: %p (%p), %d -> %d\n",
51 win, col, col->mode, mode);
53 if (col->mode == split)
54 for (list_t *cur = col->rows; cur; cur = cur->next) {
55 win_t *row = cur->data;
61 static void set_focus(win_t *win)
63 if (win->wm && win->wm->col)
64 ((col_t*)win->wm->col->data)->focus = win;
66 /* - Only grab mouse button on unfocused window,
67 * this prevents stealing all mouse clicks from client windows,
68 * - A better way may be to re-send mouse clicks to client windows
69 * using the return value from wm_handle_key */
70 for (int i = key_mouse1; i < key_mouse7; i++) {
72 sys_watch(wm_focus, i, MOD());
73 sys_unwatch(win, i, MOD());
80 static void set_move(win_t *win, ptr_t ptr, drag_t drag)
82 printf("set_move: %d - %p@%d,%d\n",
83 drag, win, ptr.rx, ptr.ry);
85 if (drag == move || drag == resize) {
88 int my = win->y + (win->h/2);
89 int mx = win->x + (win->w/2);
90 move_dir.v = ptr.ry < my ? -1 : +1;
91 move_dir.h = ptr.rx < mx ? -1 : +1;
95 static void print_txt(list_t *cols)
97 for (list_t *lcol = cols; lcol; lcol = lcol->next) {
98 col_t *col = lcol->data;
99 printf("col:\t <%-9p [%-19p] >%-9p - %dpx @ %d !!%p\n",
100 ( lcol->prev ? lcol->prev->data : NULL ),
102 ( lcol->next ? lcol->next->data : NULL ),
103 col->width, col->mode, col->focus);
104 for (list_t *lrow = col->rows; lrow; lrow = lrow->next) {
105 win_t *win = lrow->data;
106 printf(" win:\t^%-9p <%-9p [%p=%p] >%-9p - %4dpx focus=%d%d\n",
108 (win->wm->row->prev ? win->wm->row->prev->data : NULL),
109 win->wm->row->data, win,
110 (win->wm->row->next ? win->wm->row->next->data : NULL),
111 win->h, col->focus == win, wm_focus == win);
116 static void cut_window(win_t *win)
118 list_t *lrow = win->wm->row;
119 list_t *lcol = win->wm->col;
120 col_t *col = lcol->data;
122 col->focus = lrow->prev ? lrow->prev->data :
123 lrow->next ? lrow->next->data : NULL;
125 wm_focus = col->focus ? col->focus :
126 lcol->prev ? ((col_t*)lcol->prev->data)->focus :
127 lcol->next ? ((col_t*)lcol->next->data)->focus : NULL;
129 col->rows = list_remove(col->rows, lrow);
130 if (col->rows == NULL && (lcol->next || lcol->prev))
131 wm_cols = list_remove(wm_cols, lcol);
134 static void put_window(win_t *win, list_t *lcol)
137 lcol = wm_cols = list_insert(wm_cols, new0(col_t));
139 col_t *col = lcol->data;
140 int nrows = list_length(col->rows);
142 list_insert_after(col->focus->wm->row, win);
143 win->wm->row = col->focus->wm->row->next;
145 col->rows = list_insert(col->rows, win);
146 win->wm->row = col->rows;
152 win->h = wm_root->h / MAX(nrows,1);
154 int ncols = list_length(wm_cols);
155 col->width = wm_root->w / MAX(ncols-1,1);
159 static void shift_window(win_t *win, int col, int row)
161 printf("shift_window: %p - %+d,%+d\n", win, col, row);
163 printf("shift_window: >>>\n");
165 list_t *src = win->wm->row, *dst = NULL;
166 if (row < 0) dst = src->prev;
167 if (row > 0) dst = src->next;
169 printf("swap: %p <-> %p\n", src->data, dst->data);
170 src->data = dst->data;
172 ((win_t*)src->data)->wm->row = src;
173 ((win_t*)dst->data)->wm->row = dst;
177 int onlyrow = !win->wm->row->prev && !win->wm->row->next;
178 list_t *src = win->wm->col, *dst = NULL;
180 if (!src->prev && !onlyrow)
181 wm_cols = list_insert(wm_cols, new0(col_t));
185 if (!src->next && !onlyrow)
186 wm_cols = list_append(wm_cols, new0(col_t));
191 put_window(win, dst);
198 static list_t *get_next(list_t *list, int forward)
200 list_t *next = forward ? list->next : list->prev;
203 while ((list = forward ? next->prev : next->next))
208 static void shift_focus(win_t *win, int col, int row)
210 printf("shift_focus: %p - %+d,%+d\n", win, col, row);
212 set_focus(get_next(win->wm->row, row > 0)->data);
213 if (((col_t*)win->wm->col->data)->mode != split)
217 col_t *next = get_next(win->wm->col, col > 0)->data;
218 set_focus(next->focus->wm->row->data);
222 /* Window management functions */
225 int x=0, y=0; // Current window top-left position
226 int tx=0, ty=0; // Total x/y size
227 int mx=0, my=0; // Maximum x/y size (screen size)
228 int sy=0; // Size of focused stack window
230 /* Scale horizontally */
232 mx = wm_root->w - (list_length(wm_cols)+1)*MARGIN;
233 for (list_t *lx = wm_cols; lx; lx = lx->next)
234 tx += ((col_t*)lx->data)->width;
235 for (list_t *lx = wm_cols; lx; lx = lx->next)
236 ((col_t*)lx->data)->width *= (float)mx / tx;
238 /* Scale each column vertically */
239 for (list_t *lx = wm_cols; lx; lx = lx->next) {
240 col_t *col = lx->data;
242 for (list_t *ly = col->rows; ly; ly = ly->next)
243 ty += ((win_t*)ly->data)->h;
245 my = wm_root->h - (list_length(col->rows)+1)*MARGIN;
246 sy = my - (list_length(col->rows)-1)*STACK;
247 for (list_t *ly = col->rows; ly; ly = ly->next) {
248 win_t *win = ly->data;
252 sys_move(win, x+MARGIN, y+MARGIN,
253 col->width, win->h * ((float)my / ty));
257 height = col->focus == win ? sy : STACK;
258 sys_move(win, x+MARGIN, y+MARGIN,
263 sys_move(win, x+MARGIN, 0+MARGIN,
264 col->width, wm_root->h-2*MARGIN);
265 if (col->focus == win)
269 y += height + MARGIN;
271 x += col->width + MARGIN;
275 int wm_handle_key(win_t *win, Key_t key, mod_t mod, ptr_t ptr)
277 if (!win || win == wm_root) return 0;
278 //printf("wm_handle_key: %p - %x %c%c%c%c%c\n", win, key,
279 // mod.up ? '^' : 'v',
280 // mod.alt ? 'a' : '-',
281 // mod.ctrl ? 'c' : '-',
282 // mod.shift ? 's' : '-',
283 // mod.win ? 'w' : '-');
286 if (key_mouse0 <= key && key <= key_mouse7 && mod.up)
287 return set_move(win,ptr,none), 1;
288 else if (key == key_mouse1 && mod.MODKEY)
289 return set_move(win,ptr,move), 1;
290 else if (key == key_mouse3 && mod.MODKEY)
291 return set_move(win,ptr,resize), 1;
293 /* Only handle key-down */
299 if (key == key_f1) return sys_raise(win), 1;
300 if (key == key_f2) return set_focus(win), 1;
301 if (key == key_f5) return wm_update(), 1;
302 if (key == key_f6) return print_txt(wm_cols), 1;
304 if (key_mouse0 <= key && key <= key_mouse7)
307 /* Movement commands */
308 if (mod.MODKEY && mod.shift) {
310 case 'h': return shift_window(win,-1, 0), 1;
311 case 'j': return shift_window(win, 0,+1), 1;
312 case 'k': return shift_window(win, 0,-1), 1;
313 case 'l': return shift_window(win,+1, 0), 1;
317 else if (mod.MODKEY) {
319 case 'h': return shift_focus(win,-1, 0), 1;
320 case 'j': return shift_focus(win, 0,+1), 1;
321 case 'k': return shift_focus(win, 0,-1), 1;
322 case 'l': return shift_focus(win,+1, 0), 1;
327 /* Column mode commands */
330 case 'd': return set_mode(win, split), 1;
331 case 's': return set_mode(win, stack), 1;
332 case 'm': return set_mode(win, max), 1;
333 case 't': return set_mode(win, tab), 1;
339 if (key == key_enter)
340 return set_focus(win), 1;
342 if (key_mouse0 <= key && key <= key_mouse7)
343 return set_focus(win), 0;
345 /* Reset focus after after focus change,
346 * not sure what is causing the focus change in the first place
347 * but preventing that would be a better solution */
348 if (key == key_focus)
354 int wm_handle_ptr(win_t *cwin, ptr_t ptr)
356 //printf("wm_handle_ptr: %p - %d,%d %d,%d (%d) -- \n",
357 // cwin, ptr.x, ptr.y, ptr.rx, ptr.ry, move_mode);
359 if (move_mode == none)
363 int dx = ptr.rx - move_prev.rx;
364 int dy = ptr.ry - move_prev.ry;
366 if (move_mode == resize) {
367 list_t *row = move_win->wm->row;
368 list_t *col = move_win->wm->col;
369 list_t *vert = move_dir.v < 0 ? row->prev : row->next;
370 list_t *horz = move_dir.h < 0 ? col->prev : col->next;
372 ((win_t*)row->data)->h += move_dir.v * dy;
373 ((win_t*)vert->data)->h -= move_dir.v * dy;
376 ((col_t*)col->data)->width += move_dir.h * dx;
377 ((col_t*)horz->data)->width -= move_dir.h * dx;
383 //win_t *mwin = move_win;
384 //int dx = ptr.rx - move_prev.rx;
385 //int dy = ptr.ry - move_prev.ry;
387 //if (move_mode == move)
388 // sys_move(mwin, mwin->x+dx, mwin->y+dy, mwin->w, mwin->h);
389 //else if (move_mode == resize)
390 // sys_move(mwin, mwin->x, mwin->y, mwin->w+dx, mwin->h+dy);
395 void wm_insert(win_t *win)
397 printf("wm_insert: %p\n", win);
400 /* Initialize window */
401 win->wm = new0(win_wm_t);
402 sys_watch(win, key_enter, MOD());
403 sys_watch(win, key_focus, MOD());
406 list_t *lcol = wm_focus && wm_focus->wm ?
407 wm_focus->wm->col : wm_cols;
408 put_window(win, lcol);
416 void wm_remove(win_t *win)
418 printf("wm_remove: %p - (%p,%p)\n", win,
419 win->wm->col, win->wm->row);
430 void wm_init(win_t *root)
432 printf("wm_init: %p\n", root);
434 Key_t keys_e[] = {key_enter, key_focus};
435 Key_t keys_s[] = {'h', 'j', 'k', 'l'};
436 Key_t keys_m[] = {'h', 'j', 'k', 'l', 'd', 's', 'm', 't',
437 key_f1, key_f2, key_f5, key_f6, key_mouse1, key_mouse3};
438 for (int i = 0; i < countof(keys_e); i++)
439 sys_watch(root, keys_e[i], MOD());
440 for (int i = 0; i < countof(keys_m); i++)
441 sys_watch(root, keys_m[i], MOD(.MODKEY=1));
442 for (int i = 0; i < countof(keys_s); i++)
443 sys_watch(root, keys_s[i], MOD(.MODKEY=1,.shift=1));