// Create and populate WinMeta struct with sane default values.
struct WinMeta win_meta;
win_meta.screen = screen;
- win_meta.height = screen->_maxy + 1;
- win_meta.width = screen->_maxx + 1;
+ win_meta.height = getmaxy(screen);
+ win_meta.width = getmaxx(screen);
win_meta.chain_start = 0;
win_meta.chain_end = 0;
win_meta.pad_offset = 0;
start.x = 0; // if window is first in chain, place it on top-left corner
start.y = 1;
if (0 != win->prev) {
- if (win->prev->height == win_meta->height - 1) // if prev window fills entire column,
- start.x = win->prev->curses_win->_begx + win->prev->width + 1; // place win in new column next to it
+ struct Win * win_top = win->prev;
+ while (getbegy(win_top->curses_win) != 1)
+ win_top = win_top->prev; // else, default to placing window in new top
+ start.x = getbegx(win_top->curses_win) + win_top->width + 1; // column to the right of the last one
+ int winprev_maxy = getbegy(win->prev->curses_win) + getmaxy(win->prev->curses_win);
+ if (win->width <= win->prev->width && win->height < win_meta->height - winprev_maxy) {
+ start.x = getbegx(win->prev->curses_win); // place window below previous window if it fits
+ start.y = winprev_maxy + 1; } // vertically and is not wider than its predecessor
else {
- struct Win * first_ceiling = win->prev; // first_ceiling determines column with;
- while (first_ceiling->curses_win->_begy != 1) // default: place window in new column
- first_ceiling = first_ceiling->prev; // next to it
- start.x = first_ceiling->curses_win->_begx + first_ceiling->width + 1;
- if (first_ceiling->width >= win->width) { // only place wins in prev column that fit into its width
- struct Win * win_p = first_ceiling;
- struct Win * lastrow_startwin = win_p;
- while (win_p != win) {
- if (win_p->curses_win->_begx == first_ceiling->curses_win->_begx)
- lastrow_startwin = win_p; // try to fit window at the end of the last row of windows
- win_p = win_p ->next; } // inside column; if failure, try opening a new row below
- int lastcol_start = win->prev->curses_win->_begx + win->prev->width + 1;
- if (win->width <= first_ceiling->curses_win->_begx + first_ceiling->width - lastcol_start
- && win->height <= lastrow_startwin->height) {
- start.x = lastcol_start;
- start.y = lastrow_startwin->curses_win->_begy; }
- else if (win->height < win_meta->height - (lastrow_startwin->curses_win->_begy + lastrow_startwin->height)
- && win->width <= first_ceiling->width) {
- start.x = first_ceiling->curses_win->_begx;
- start.y = lastrow_startwin->curses_win->_begy + lastrow_startwin->height + 1; } } } }
+ struct Win * win_up = win->prev;
+ struct Win * win_upup = win_up;
+ int widthdiff;
+ while (win_up != win_top) {
+ win_upup = win_up->prev;
+ while (1) {
+ if (getbegy(win_up->curses_win) != getbegy(win_upup->curses_win))
+ break;
+ win_upup = win_upup->prev; }
+ winprev_maxy = getbegy(win_upup->curses_win) + getmaxy(win_upup->curses_win);
+ widthdiff = (getbegx(win_upup->curses_win) + win_upup->width) - (getbegx(win_up->curses_win) + win_up->width);
+ if (win->height < win_meta->height - winprev_maxy && win->width < widthdiff) {
+ start.x = getbegx(win_up->curses_win) + win_up->width + 1; // else try to open new sub column under
+ start.y = winprev_maxy + 1; // last window below which enough space
+ break; } // for current window remains
+ win_up = win_upup; } } }
return start; }
void update_windows (struct WinMeta * win_meta, struct Win * win) {
int lastwincol = 0;
struct Win * win_p = win_meta->chain_start;
while (win_p != 0) {
- if (win_p != win && win_p->curses_win->_begx + win_p->width > lastwincol + 1)
- lastwincol = win_p->curses_win->_begx + win_p->width - 1;
+ if (win_p != win && getbegx(win_p->curses_win) + win_p->width > lastwincol + 1)
+ lastwincol = getbegx(win_p->curses_win) + win_p->width - 1;
else if (win_p == win && startyx.x + win->width > lastwincol + 1)
lastwincol = startyx.x + win->width - 1;
win_p = win_p->next; }
- if (win_meta->pad->_maxx != lastwincol + 1) {
- wresize(win_meta->pad, win_meta->pad->_maxy + 1, lastwincol + 2); }
+ if (getmaxx(win_meta->pad) != lastwincol) {
+ wresize(win_meta->pad, getmaxy(win_meta->pad), lastwincol + 2); }
win->curses_win = subpad(win_meta->pad, win->height, win->width, startyx.y, startyx.x);
if (0 != win->next)
update_windows (win_meta, win->next); }
void draw_window_borders (struct Win * win, char active) {
// Draw borders of window win, including title. Decorate in a special way if window is marked as active.
int y, x;
- for (y = win->curses_win->_begy; y <= win->curses_win->_begy + win->height; y++) {
- mvwaddch(win->curses_win->_parent, y, win->curses_win->_begx - 1, '|');
- mvwaddch(win->curses_win->_parent, y, win->curses_win->_begx + win->width, '|'); }
- for (x = win->curses_win->_begx; x <= win->curses_win->_begx + win->width; x++) {
- mvwaddch(win->curses_win->_parent, win->curses_win->_begy - 1, x, '-');
- mvwaddch(win->curses_win->_parent, win->curses_win->_begy + win->height, x, '-'); }
+ for (y = getbegy(win->curses_win); y <= getbegy(win->curses_win) + win->height; y++) {
+ mvwaddch(wgetparent(win->curses_win), y, getbegx(win->curses_win) - 1, '|');
+ mvwaddch(wgetparent(win->curses_win), y, getbegx(win->curses_win) + win->width, '|'); }
+ for (x = getbegx(win->curses_win); x <= getbegx(win->curses_win) + win->width; x++) {
+ mvwaddch(wgetparent(win->curses_win), getbegy(win->curses_win) - 1, x, '-');
+ mvwaddch(wgetparent(win->curses_win), getbegy(win->curses_win) + win->height, x, '-'); }
char min_title_length_visible = 3; // 1 char minimal, plus 2 chars for decoration left/right of title
- if (win->width > min_title_length_visible) {
- int title_length = strlen(win->title);
- int title_offset = (((win->width) - (title_length + 2)) / 2); // + 2 is for decoration
- int length_visible = strnlen(win->title, win->width - min_title_length_visible);
+ if (win->width >= min_title_length_visible) {
+ int title_offset = 0;
+ if (win->width > strlen(win->title) + 2)
+ title_offset = (win->width - (strlen(win->title) + 2)) / 2; // + 2 is for decoration
+ int length_visible = strnlen(win->title, win->width - 2);
char title[length_visible + 3];
char decoration = ' ';
if (1 == active)
memcpy(title + 1, win->title, length_visible);
title[0] = title[length_visible + 1] = decoration;
title[length_visible + 2] = '\0';
- mvwaddstr(win->curses_win->_parent, win->curses_win->_begy - 1, win->curses_win->_begx + title_offset, title); } }
+ mvwaddstr(wgetparent(win->curses_win), getbegy(win->curses_win) - 1, getbegx(win->curses_win) + title_offset, title); } }
void draw_windows_borders (struct Win * win, struct Win * win_active, struct Corners * corners, int ccount) {
// Craw draw_window_borders() for all windows in chain from win on. Save current window's border corners.
if (win == win_active)
active = 1;
draw_window_borders(win, active);
- corners[ccount].tl.y = win->curses_win->_begy - 1;
- corners[ccount].tl.x = win->curses_win->_begx - 1;
- corners[ccount].tr.y = win->curses_win->_begy - 1;
- corners[ccount].tr.x = win->curses_win->_begx + win->width;
- corners[ccount].bl.y = win->curses_win->_begy + win->height;
- corners[ccount].bl.x = win->curses_win->_begx - 1;
- corners[ccount].br.y = win->curses_win->_begy + win->height;
- corners[ccount].br.x = win->curses_win->_begx + win->width;
+ corners[ccount].tl.y = getbegy(win->curses_win) - 1;
+ corners[ccount].tl.x = getbegx(win->curses_win) - 1;
+ corners[ccount].tr.y = getbegy(win->curses_win) - 1;
+ corners[ccount].tr.x = getbegx(win->curses_win) + win->width;
+ corners[ccount].bl.y = getbegy(win->curses_win) + win->height;
+ corners[ccount].bl.x = getbegx(win->curses_win) - 1;
+ corners[ccount].br.y = getbegy(win->curses_win) + win->height;
+ corners[ccount].br.x = getbegx(win->curses_win) + win->width;
if (0 != win->next) {
draw_windows_borders (win->next, win_active, corners, ccount + 1); } }
-void draw_window(struct Win * win) {
-// Draw window content if visible.
- if (win->height > 1 && win->width > 1) ;
- win->draw(win); }
-
void draw_windows (struct Win * win) {
// Draw contents of all windows in window chain from win on.
- draw_window(win);
+ win->draw(win);
if (0 != win->next) {
draw_windows (win->next); } }