X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fclient%2Fwindows.c;h=fa626848aacfe5f3b0ff9e5abc8d41e3173176b4;hb=aa2ca997b919bee3cea9dfaed27e33fb0bc81728;hp=b0734dc5cca71989e1b7bc9137b0a5dd33f62952;hpb=6f98f0b029c3e84f1df0f2f3642f88e91b17cf33;p=plomrogue diff --git a/src/client/windows.c b/src/client/windows.c index b0734dc..fa62684 100644 --- a/src/client/windows.c +++ b/src/client/windows.c @@ -1,42 +1,35 @@ -/* src/client/windows.c */ +/* src/client/windows.c + * + * This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3 + * or any later version. For details on its copyright, license, and warranties, + * see the file NOTICE in the root directory of the PlomRogue source package. + */ +#define _POSIX_C_SOURCE 200809L /* strnlen() */ #include "windows.h" #include /* chtype, getmaxx(), getmaxy(), erase(), werase(), * endwin(), delwin(), wnoutrefresh(), pnoutrefresh(), * doupdate(), refresh(), delwin(), newpad(), mvwaddch(), - * mvwaddstr(), wresize() + * mvwaddstr() */ #include /* NULL */ -#include /* free(), atoi() */ #include /* uint8_t, uint16_t, uint32_t, UINT16_MAX */ #include /* sprintf() */ -#include /* memcpy(), strlen(), strnlen(), strchr(), memset() */ -#include "../common/err_try_fgets.h" /* err_try_fgets(), err_line() */ -#include "../common/readwrite.h" /* try_fputc(), try_write(), try_fgetc() */ +#include /* free() */ +#include /* memcpy(), strlen(), strnlen(), memset() */ #include "../common/rexit.h" /* exit_trouble(), exit_err() */ #include "../common/try_malloc.h" /* try_malloc() */ -#include "../common/yx_uint16.h" /* struct yx_uint16 */ #include "draw_wins.h" /* draw_winconf_geometry(), draw_winconf_keybindings(), * draw_win_inventory(), draw_win_info(), draw_win_log(), - * draw_win_available_keybindings(), draw_win_map(), * draw_win_keybindings_winconf_keybindings(), * draw_win_keybindings_winconf_geometry(), - * draw_win_keybindings_global() + * draw_win_keybindings_global(), draw_win_map(), + * draw_win_terrain_stack() */ -#include "keybindings.h" /* free_keybindings(), write_keybidings_to_file(), - * read_keybindings_from_file() - */ -#include "misc.h" /* array_append() */ -#include "world.h" /* global world */ - +#include "wincontrol.h" /* toggle_window() */ +#include "world.h" /* world */ -/* Get position of id "c" in world.winDB.order or return Win before/after (or - * NULL if there is no window before/after). - */ -static uint8_t get_pos_in_order(char c); -static struct Win * get_win_after(char c); -static struct Win * get_win_before(char c); /* Calculate "id"'s window's size from v_screen size and .target_(height/width). * A .target_width == 0 makes the window as wide as .t_screen. .target_height == @@ -51,23 +44,11 @@ static void init_win_size_from_winconf_and_v_screen_size(char id); * match_func() is just a little helper to it. */ static uint8_t match_func(char c, void (** f) (), char c_m, void (* f_m) ()); -static void * get_drawfunc_by_char(char c); - -/* Write "win"'s size back to .target_(height/width) as per .target_*_type. */ -static void set_win_target_size(struct Win * win); +static void (* get_drawfunc_by_char(char c)) (); /* Iterate over chars of world.winDB.ids array / string. Restart after \0.*/ static char get_next_win_id(); -/* Make .v_screen just wide enough to contain all visible windows. */ -static void refit_v_screen(); - -/* Update geometry (sizes, positions) of window "w" and its successors in the - * window chain. Use place_win() for the positioning algorithm. - */ -static void update_wins(struct Win * w); -static void place_win(struct Win * w); - /* Draw scroll hint (a line saying that there are "dist" more elements of "unit" * further into the direction symbolized by "dir") into .v_screen, onto an * appropriate edge of a window or .v_screen; the left/right edge if "dir" is @@ -92,42 +73,6 @@ static void draw_wins_bordercorners(struct Win * w); /* Draw contents of all windows in window chain from window "w" onwards. */ static void draw_wins(struct Win * w); -/* Append/suspend window "w" to/from chain of visible windows. Appended windows - * will become active. Suspended active windows will move the active window - * selection to their successor in the window chain or, failing that, their - * predecessor, or, failing that, to 0 (no window active). - */ -static void append_win(struct Win * w); -static void suspend_win(struct Win * w); - - - -static uint8_t get_pos_in_order(char c) -{ - uint8_t i; - for (i = 0; c != world.winDB.order[i]; i++); - return i; -} - - - -static struct Win * get_win_after(char c) -{ - return get_win_by_id(world.winDB.order[get_pos_in_order(c) + 1]); -} - - - -static struct Win * get_win_before(char c) -{ - uint8_t i = get_pos_in_order(c); - if (i > 0) - { - return get_win_by_id(world.winDB.order[i - 1]); - } - return NULL; -} - static void init_win_size_from_winconf_and_v_screen_size(char id) @@ -170,40 +115,21 @@ static uint8_t match_func(char c, void (** f) (), char c_m, void (* f_m) ()) -static void * get_drawfunc_by_char(char c) +static void (* get_drawfunc_by_char(char c)) () { void (* f) (struct Win *) = NULL; if ( match_func(c, &f, 'c', draw_win_inventory) + || match_func(c, &f, 's', draw_win_terrain_stack) || match_func(c, &f, 'i', draw_win_info) || match_func(c, &f, 'l', draw_win_log) - || match_func(c, &f, 'k', draw_win_available_keybindings) || match_func(c, &f, 'm', draw_win_map) || match_func(c, &f, '0', draw_win_keybindings_global) || match_func(c, &f, '1', draw_win_keybindings_winconf_geometry) - || match_func(c, &f, '2', draw_win_keybindings_winconf_keybindings)); - return f; -} - - - -static void set_win_target_size(struct Win * wcp) -{ - if (0 == wcp->target_height_type) - { - wcp->target_height = wcp->frame_size.y; - } - else if (1 == wcp->target_height_type) - { - wcp->target_height = wcp->frame_size.y - world.winDB.v_screen_size.y +1; - } - if (0 == wcp->target_width_type) - { - wcp->target_width = wcp->frame_size.x; - } - else if (1 == wcp->target_width_type) + || match_func(c, &f, '2', draw_win_keybindings_winconf_keybindings)) { - wcp->target_width = wcp->frame_size.x - world.winDB.v_screen_size.x; + ; } + return f; } @@ -223,104 +149,6 @@ static char get_next_win_id() -static void refit_v_screen() -{ - /* Determine rightmost window column. */ - uint32_t lastwcol = 0; - struct Win * wp = get_win_by_id(world.winDB.order[0]); - while (wp != 0) - { - if ((uint32_t) wp->start.x + (uint32_t) wp->frame_size.x > lastwcol + 1) - { - lastwcol = (uint32_t) wp->start.x + (uint32_t) wp->frame_size.x - 1; - } - wp = get_win_after(wp->id); - } - - /* Only resize .v_screen if the rightmost window column has changed. */ - char * err_s = "refit_v_screen() grows virtual screen beyond legal sizes."; - char * err_m = "refit_v_screen() triggers memory alloc error in wresize()."; - if (getmaxx(world.winDB.v_screen) + 1 != lastwcol) - { - uint8_t t = (lastwcol + 2 > UINT16_MAX); - exit_err(t, err_s); - t = wresize(world.winDB.v_screen, getmaxy(world.winDB.v_screen), - lastwcol + 2); - exit_err(t, err_m); - } -} - - - -static void update_wins(struct Win * w) -{ - place_win(w); - refit_v_screen(); - struct Win * next = get_win_after(w->id); - if (next) - { - update_wins(next); - } -} - - - -static void place_win(struct Win * w) -{ - /* If w is first window, it goes into the top left corner. */ - w->start.x = 0; - w->start.y = 1; /* Leave space for title bar. */ - struct Win * w_prev = get_win_before(w->id); - if (w_prev) - { - - /* If not, fit w's top left to top right of last top predecessor. */ - struct Win * w_top = w_prev; - for (; - w_top->start.y != 1; - w_top = get_win_before(w_top->id)); - w->start.x = w_top->start.x + w_top->frame_size.x + 1; - - /* Fit w's top left to bottom left of its ->prev if enough space. */ - uint16_t w_prev_maxy = w_prev->start.y + w_prev->frame_size.y; - if ( w->frame_size.x <= w_prev->frame_size.x - && w->frame_size.y < world.winDB.v_screen_size.y - w_prev_maxy) - { - w->start.x = w_prev->start.x; - w->start.y = w_prev_maxy + 1; - return; - } - - /* Failing that, try to fit w' top left to the top right of the last - * predecessor w_test 1) not followed by windows with a left corner - * further rightwards than its own 2) with enough space rightwards for w - * until the bottom right of w_thr directly throning over it 3) and with - * this same space extending far enough to the bottom for fitting in w. - */ - struct Win * w_test = w_prev; - struct Win * w_thr; - while (w_test != w_top) - { - for (w_thr = get_win_before(w_test->id); - w_test->start.y <= w_thr->start.y; - w_thr = get_win_before(w_thr->id)); - uint16_t w_thr_bottom = w_thr->start.y + w_thr->frame_size.y; - uint16_t free_width = (w_thr->start.x + w_thr->frame_size.x) - - (w_test->start.x + w_test->frame_size.x); - if ( w->frame_size.y < world.winDB.v_screen_size.y - w_thr_bottom - && w->frame_size.x < free_width) - { - w->start.x = w_test->start.x + w_test->frame_size.x + 1; - w->start.y = w_thr_bottom + 1; - break; - } - w_test = w_thr; - } - } -} - - - static void scroll_hint(struct yx_uint16 fsize, char dir, uint16_t dist, char * unit, struct yx_uint16 start) { @@ -331,8 +159,10 @@ static void scroll_hint(struct yx_uint16 fsize, char dir, uint16_t dist, { dsc_space = fsize.y; } /* vv-- 10 = max strlen for uint16_t */ - char scrolldsc[1 + strlen(more) + 1 + 10 + 1 + strlen(unit) + 1 + 1]; - sprintf(scrolldsc, " %d %s %s ", dist, more, unit); + uint16_t size = 1 + strlen(more) + 1 + 10 + 1 + strlen(unit) + 1 + 1; + char * scrolldsc = try_malloc(size, __func__); + int test = sprintf(scrolldsc, " %d %s %s ", dist, more, unit); + exit_trouble(test < 0, __func__, "sprintf"); /* Decide on offset of the description text inside the scroll hint line. */ uint16_t dsc_offset = 1; @@ -366,6 +196,7 @@ static void scroll_hint(struct yx_uint16 fsize, char dir, uint16_t dist, } mvwaddch(world.winDB.v_screen, start.y + draw_offset, start.x + q, c); } + free(scrolldsc); } @@ -408,7 +239,7 @@ static void draw_win_borderlines(struct Win * w) offset = (w->frame_size.x - (strlen(w->title) + 2)) / 2; } /* +2 is for padding/decoration */ uint16_t length_visible = strnlen(w->title, w->frame_size.x - 2); - char title[length_visible + 3]; + char * title = try_malloc(length_visible + 3, "draw_win_borderlines"); char decoration = ' '; if (w->id == world.winDB.active) { @@ -418,6 +249,7 @@ static void draw_win_borderlines(struct Win * w) title[0] = title[length_visible + 1] = decoration; title[length_visible + 2] = '\0'; mvwaddstr(world.winDB.v_screen, w->start.y-1, w->start.x+offset, title); + free(title); } } @@ -477,7 +309,7 @@ static void draw_wins(struct Win * w) { chtype ch = w->winmap[(y * w->winmap_size.x) + x]; mvwaddch(world.winDB.v_screen, w->start.y + (y - offset_y), - w->start.x + (x - offset_x), ch); + w->start.x + (x - offset_x), ch); } } free(w->winmap); /* NULL so draw_wins.c's try_resize_winmap() may always */ @@ -502,57 +334,30 @@ static void draw_wins(struct Win * w) struct Win * next = get_win_after(w->id); if (next) { - return draw_wins(next); + draw_wins(next); } } -static void append_win(struct Win * w) +extern uint8_t get_win_pos_in_order(char c) { - char * f_name = "append_win()"; - uint8_t old_size = strlen(world.winDB.order) + 1; - char * new_order = try_malloc(old_size + 1, f_name); - memcpy(new_order, world.winDB.order, old_size - 1); - new_order[old_size - 1] = w->id; - new_order[old_size] = '\0'; - free(world.winDB.order); - world.winDB.order = new_order; - world.winDB.active = w->id; - update_wins(w); + uint8_t i; + for (i = 0; c != world.winDB.order[i]; i++); + return i; } -static void suspend_win(struct Win * w) +extern struct Win * get_win_after(char c) { - char * f_name = "suspend_win()"; - uint8_t new_size = strlen(world.winDB.order); - char * new_order = try_malloc(new_size, f_name); - uint8_t i = get_pos_in_order(w->id); - char next_char = world.winDB.order[i + 1]; - world.winDB.order[i] = '\0'; - char * second_part = &world.winDB.order[i + 1]; - sprintf(new_order, "%s%s", world.winDB.order, second_part); - free(world.winDB.order); - world.winDB.order = new_order; - world.winDB.active = world.winDB.order[i]; - if (!world.winDB.order[i] && 0 < i) - { - world.winDB.active = world.winDB.order[i - 1]; - } - if (world.winDB.order[i]) - { - update_wins(get_win_by_id(next_char)); /* Already calls */ - return; /* refit_v_screen(), so leave. */ - } - refit_v_screen(); + return get_win_by_id(world.winDB.order[get_win_pos_in_order(c) + 1]); } -extern uint16_t center_offset(uint16_t position, uint16_t mapsize, - uint16_t frame_size) +extern uint16_t center_offset(uint16_t position, uint32_t mapsize, + uint32_t frame_size) { uint16_t offset = 0; if (mapsize > frame_size) @@ -590,139 +395,17 @@ extern struct Win * get_win_by_id(char id) -extern uint8_t read_winconf_from_file(char * line, uint32_t linemax, - FILE * file) -{ - char * f_name = "read_winconf_from_file()"; - char * context = "Failed reading individual window's configuration from " - "interface config file. "; - char * err_id = "Illegal ID(s) selected."; - char * err_2 = "Double-initialized window."; - int test_for_end = try_fgetc(file, f_name); - if (EOF == test_for_end || '\n' == test_for_end) - { - return 0; - } - exit_trouble(EOF == ungetc(test_for_end, file), f_name, "ungetc()"); - err_try_fgets(line, linemax, file, context, "ns"); - err_line(NULL == strchr(world.winDB.legal_ids, line[0]), line, context, - err_id); - exit_err(world.winDB.ids && NULL!=strchr(world.winDB.ids, line[0]), err_2); - struct Win win; - memset(&win, 0, sizeof(struct Win)); - win.id = (char) line[0]; - err_try_fgets(line, linemax, file, context, "0n"); - win.title = try_malloc(strlen(line), f_name); - memcpy(win.title, line, strlen(line) - 1); /* Eliminate newline char */ - win.title[strlen(line) - 1] = '\0'; /* char at end of string. */ - err_try_fgets(line, linemax, file, context, "0ni"); - win.target_height = atoi(line); - win.target_height_type = (0 >= win.target_height); - err_try_fgets(line, linemax, file, context, "0ni"); - win.target_width = atoi(line); - win.target_width_type = (0 >= win.target_width); - read_keybindings_from_file(line, linemax, file, &win.kb); - if (world.winDB.ids) - { - uint8_t old_ids_size = strlen(world.winDB.ids); - char * new_ids = try_malloc(old_ids_size + 1 + 1, f_name); - sprintf(new_ids, "%s%c", world.winDB.ids, win.id); - free(world.winDB.ids); - world.winDB.ids = new_ids; - array_append(old_ids_size, sizeof(struct Win), (void *) &win, - (void **) &world.winDB.wins); - return 1; - } - world.winDB.ids = try_malloc(2, f_name); - sprintf(world.winDB.ids, "%c", win.id); - world.winDB.wins = try_malloc(sizeof(struct Win), f_name); - world.winDB.wins[0] = win; - return 1; -} - - - -extern void write_winconf_of_id_to_file(FILE * file, char c) -{ - char * f_name = "write_winconf_of_id_to_file()"; - struct Win * wc = get_win_by_id(c); - uint8_t size = strlen(wc->title) + 2; - if (size < 7) /* Ensure that at least 5 + 2 char fit into line so that */ - { /* the digit representation of any uint16_t may be stored. */ - size = 7; - } - char line[size]; - sprintf(line, "%c\n", wc->id); - try_fwrite(line, sizeof(char), strlen(line), file, f_name); - sprintf(line, "%s\n", wc->title); - try_fwrite(line, sizeof(char), strlen(line), file, f_name); - sprintf(line, "%d\n", wc->target_height); - try_fwrite(line, sizeof(char), strlen(line), file, f_name); - sprintf(line, "%d\n", wc->target_width); - try_fwrite(line, sizeof(char), strlen(line), file, f_name); - write_keybindings_to_file(file, &wc->kb); -} - - - -extern void read_order_wins_visible_active(char * line, uint32_t linemax, - FILE * file, char ** tmp_order, - char * tmp_active) -{ - char * f_name = "read_order_wins_visible_active()"; - char * context = "Failed reading order and activation of visible windows " - "from interface config file. "; - char * err_id = "Illegal ID(s) selected."; - err_try_fgets(line, linemax, file, context, "01"); - uint32_t i = 0; - for (; i < strlen(line) - 1; i++) - { - char * test = strchr(world.winDB.legal_ids, line[i]); - err_line(!test, line, context, err_id); - } - line[strlen(line) - 1] = '\0'; - *tmp_order = try_malloc(strlen(line) + 1, f_name); - sprintf(*tmp_order, "%s", line); - if (*tmp_order[0]) - { - err_try_fgets(line, linemax, file, context, "0nfs"); - err_line(NULL == strchr(*tmp_order, line[0]), line, context, err_id); - *tmp_active = line[0]; - } - else - { - err_try_fgets(line, linemax, file, context, "0ne"); - *tmp_active = '\0'; - } - err_try_fgets(line, linemax, file, context, "d"); -} - - - -extern void write_order_wins_visible_active(FILE * file) -{ - char * f_name = "write_order_wins_visible_active()"; - try_fwrite(world.winDB.order, strlen(world.winDB.order), 1, file, f_name); - try_fputc('\n', file, f_name); - try_fputc(world.winDB.active, file, f_name); - try_fputc('\n', file, f_name); - try_fwrite(world.delim, strlen(world.delim), 1, file, f_name); -} - - - extern void make_v_screen_and_init_win_sizes() { - char * f_name = "make_v_screen_and_init_win_sizes()"; char * err_s = "creating an illegaly large virtual screen"; - char * err_m = "triggering a memory allocation error via newpad()"; + char * err_m = "triggering a memory allocation error via newpad"; uint32_t maxy_test = getmaxy(world.winDB.t_screen); uint32_t maxx_test = getmaxx(world.winDB.t_screen); - exit_trouble(maxy_test>UINT16_MAX || maxx_test>UINT16_MAX, f_name, err_s); + exit_trouble(maxy_test>UINT16_MAX || maxx_test>UINT16_MAX, __func__, err_s); world.winDB.v_screen_size.y = maxy_test; world.winDB.v_screen_size.x = maxx_test; world.winDB.v_screen = newpad(world.winDB.v_screen_size.y, 1); - exit_trouble(NULL == world.winDB.v_screen, f_name, err_m); + exit_trouble(!world.winDB.v_screen, __func__, err_m); char id; while (0 != (id = get_next_win_id())) { @@ -739,17 +422,16 @@ extern void free_winDB() { struct Win * wc = get_win_by_id(id); free(wc->title); - free_keybindings(wc->kb.kbs); + free(wc->kb.kbs); } - free(world.winDB.ids); /* NULL this too since add_win_to_winDB() checks */ - world.winDB.ids = NULL; /* for it to detect its first post-DB-purge round.*/ + free(world.winDB.ids); free(world.winDB.wins); free(world.winDB.order); } -extern void winch_called(int signal) +extern void winch_called() { world.winch = 1; } @@ -760,14 +442,16 @@ extern void reset_windows_on_winch() { endwin(); /* "[S]tandard way" to recalibrate ncurses post SIGWINCH, says */ refresh(); /* . */ - char tmp_order[strlen(world.winDB.order) + 1]; - sprintf(tmp_order, "%s", world.winDB.order); + char * tmp_order = try_malloc(strlen(world.winDB.order) + 1, __func__); + int test = sprintf(tmp_order, "%s", world.winDB.order); + exit_trouble(test < 0, __func__, "sprintf"); uint8_t i; char tmp_active = world.winDB.active; for (i = 0; i < strlen(tmp_order); toggle_window(tmp_order[i]), i++); delwin(world.winDB.v_screen); make_v_screen_and_init_win_sizes(); for (i = 0; i < strlen(tmp_order); toggle_window(tmp_order[i]), i++); + free(tmp_order); world.winDB.active = tmp_active; } @@ -815,177 +499,3 @@ extern void draw_all_wins() /* Only at the end write accumulated changes to .t_screen. */ doupdate(); } - - - -extern void toggle_window(char id) -{ - struct Win * win = get_win_by_id(id); - if (NULL == strchr(world.winDB.order, id)) - { - append_win(win); - return; - } - suspend_win(win); -} - - - -extern void toggle_winconfig() -{ - if (!world.winDB.active) - { - return; - } - struct Win * w = get_win_by_id(world.winDB.active); - if (0 == w->view) - { - w->view = 1; - w->target_center = w->center; - memset(&w->center, 0, sizeof(struct yx_uint16)); - return; - } - else if (1 == w->view) - { - w->view = 2; - w->center.x = 0; - return; - } - w->view = 0; - w->center = w->target_center; -} - - - -extern void toggle_win_size_type(char axis) -{ - struct Win * w = get_win_by_id(world.winDB.active); - if ('y' == axis) - { - w->target_height_type = (0 == w->target_height_type); - set_win_target_size(w); - return; - } - w->target_width_type = ( 0 == w->target_width_type - && w->frame_size.x <= world.winDB.v_screen_size.x); - set_win_target_size(w); -} - - - -extern void resize_active_win(char change) -{ - if (world.winDB.active) - { - struct Win * w = get_win_by_id(world.winDB.active); - if (change == '-' && w->frame_size.y > 1) - { - w->frame_size.y--; - } - else if (change == '_' && w->frame_size.y > 1) - { - w->frame_size.x--; - } - else if ( change == '+' - && w->frame_size.y < world.winDB.v_screen_size.y - 1) - { - w->frame_size.y++; - } - else if (change == '*' && w->frame_size.y < UINT16_MAX) - { - w->frame_size.x++; - } - if ( 1 == w->target_width_type - && w->frame_size.x > world.winDB.v_screen_size.x) - { - w->target_width_type = 0; - } - set_win_target_size(w); - update_wins(w); - } -} - - - -extern void shift_active_win(char dir) -{ - uint8_t len_order = strlen(world.winDB.order); - if (1 < len_order) - { - char tmp[len_order + 1]; - tmp[len_order] = '\0'; - uint8_t pos = get_pos_in_order(world.winDB.active); - if ('f' == dir) - { - if (pos == len_order - 1) - { - memcpy(tmp + 1, world.winDB.order, len_order - 1); - tmp[0] = world.winDB.active; - memcpy(world.winDB.order, tmp, len_order + 1); - } - else - { - world.winDB.order[pos] = world.winDB.order[pos + 1]; - world.winDB.order[pos + 1] = world.winDB.active; - } - } - else - { - if (pos == 0) - { - memcpy(tmp, world.winDB.order + 1, len_order - 1); - tmp[len_order - 1] = world.winDB.active; - memcpy(world.winDB.order, tmp, len_order + 1); - } - else - { - world.winDB.order[pos] = world.winDB.order[pos - 1]; - world.winDB.order[pos - 1] = world.winDB.active; - } - } - update_wins(get_win_by_id(world.winDB.order[0])); - } -} - - - -extern void scroll_v_screen(char dir) -{ - if ( '+' == dir - && world.winDB.v_screen_offset + world.winDB.v_screen_size.x + 1 - < getmaxx(world.winDB.v_screen)) - { - world.winDB.v_screen_offset++; - } - else if ( '-' == dir - && world.winDB.v_screen_offset > 0) - { - world.winDB.v_screen_offset--; - } -} - - - -extern void cycle_active_win(char dir) -{ - uint8_t len_order = strlen(world.winDB.order); - if (1 < len_order) - { - uint8_t pos = get_pos_in_order(world.winDB.active); - if ('f' == dir) - { - world.winDB.active = world.winDB.order[pos + 1]; - if ('\0' == world.winDB.active) - { - world.winDB.active = world.winDB.order[0]; - } - return; - } - if (pos > 0) - { - world.winDB.active = world.winDB.order[pos - 1]; - return; - } - world.winDB.active = world.winDB.order[len_order - 1]; - } -}