struct WinMeta init_win_meta (WINDOW * screen) {
// Create and populate WinMeta struct with sane default values.
struct WinMeta win_meta;
- win_meta.height = screen->_maxy + 1;
- win_meta.width = screen->_maxx + 1;
+ win_meta.screen = screen;
+ 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;
+ win_meta.pad = newpad(win_meta.height, 1);
return win_meta; }
struct Win init_window (struct WinMeta * win_meta, char * title) {
struct Win win;
win.prev = 0;
win.next = 0;
- win.curses_win = 0;
+ win.curses = 0;
win.title = title;
win.width = 20;
win.height = win_meta->height - 1;
void suspend_window (struct WinMeta * win_meta, struct Win * win) {
// Destroy win, suspend from window chain. Update geometry of following rows, as well as activity selection.
destroy_window(win);
- if (win_meta->chain_start != win) // Give win's position in the chain to element next to it in the chain.
+ if (win_meta->chain_start != win) // Give win's position in the chain to element next to it in the chain.
win->prev->next = win->next;
else
win_meta->chain_start = win->next;
- if (win_meta->chain_end != win) { // Let chain element next to win know its new predecessor.
+ if (win_meta->chain_end != win) { // Let chain element next to win know its new predecessor.
win->next->prev = win->prev;
- if (win_meta->active == win) // If win was active, shift active window pointer to ...
- win_meta->active = win->next; // ... the next chain element, if that is a window ...
+ if (win_meta->active == win) // If win was active, shift active window pointer to
+ win_meta->active = win->next; // the next chain element, if that is a window ...
update_windows(win_meta, win->next); }
else {
win_meta->chain_end = win->prev;
- if (win_meta->active == win) // ... or else to the previous element.
+ if (win_meta->active == win) // ... or else to the previous element.
win_meta->active = win->prev; }
win->prev = 0;
win->next = 0; }
-void place_window (struct WinMeta * win_meta, struct Win * win) {
+struct yx place_window (struct WinMeta * win_meta, struct Win * win) {
// Based on position and sizes of previous window, find fitting place for current window.
- win->start_x = 0; // if window is first in chain, place it on top-left corner
- win->start_y = 1;
+ struct yx start;
+ 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, place win
- win->start_x = win->prev->start_x + win->prev->width + 1; // in new column next to it
+ struct Win * win_top = win->prev;
+ while (getbegy(win_top->curses) != 1)
+ win_top = win_top->prev; // else, default to placing window in new top
+ start.x = getbegx(win_top->curses) + win_top->width + 1; // column to the right of the last one
+ int winprev_maxy = getbegy(win->prev->curses) + getmaxy(win->prev->curses);
+ if (win->width <= win->prev->width && win->height < win_meta->height - winprev_maxy) {
+ start.x = getbegx(win->prev->curses); // 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->start_y != 1) // default: place window in new column
- first_ceiling = first_ceiling->prev; // next to it
- win->start_x = first_ceiling->start_x + first_ceiling->width + 1;
- if (first_ceiling->width >= win->width) { // only place windows 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->start_x == first_ceiling->start_x)
- lastrow_startwin = win_p; // try to fit window at end of last
- win_p = win_p ->next; } // row of windows inside column; if
- int lastcol_start = win->prev->start_x + win->prev->width + 1; // failure, try opening new row below
- if (win->width <= first_ceiling->start_x + first_ceiling->width - lastcol_start
- && win->height <= lastrow_startwin->height) {
- win->start_x = lastcol_start;
- win->start_y = lastrow_startwin->start_y; }
- else if (win->height < win_meta->height - (lastrow_startwin->start_y + lastrow_startwin->height)
- && win->width <= first_ceiling->width) {
- win->start_x = first_ceiling->start_x;
- win->start_y = lastrow_startwin->start_y + 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) != getbegy(win_upup->curses))
+ break;
+ win_upup = win_upup->prev; }
+ winprev_maxy = getbegy(win_upup->curses) + getmaxy(win_upup->curses);
+ widthdiff = (getbegx(win_upup->curses) + win_upup->width) - (getbegx(win_up->curses) + win_up->width);
+ if (win->height < win_meta->height - winprev_maxy && win->width < widthdiff) {
+ start.x = getbegx(win_up->curses) + win_up->width + 1; // else try to open new sub column under last
+ start.y = winprev_maxy + 1; // window below which enough space remains
+ break; }
+ win_up = win_upup; } } }
+ return start; }
void update_windows (struct WinMeta * win_meta, struct Win * win) {
-// Update geometry of win and its next of kin. Before, destroy window, if visible. After, (re-)build it.
- if (0 != win->curses_win)
+// Update geometry of win and its next of kin. Destroy (if visible), (re-)build window. If need, resize pad.
+ if (0 != win->curses)
destroy_window (win);
- place_window(win_meta, win);
- win->curses_win = newwin(win->height, win->width, win->start_y, win->start_x);
+ struct yx startyx = place_window(win_meta, win);
+ int lastwincol = 0;
+ struct Win * win_p = win_meta->chain_start;
+ while (win_p != 0) {
+ if (win_p != win && getbegx(win_p->curses) + win_p->width > lastwincol + 1)
+ lastwincol = getbegx(win_p->curses) + 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 (getmaxx(win_meta->pad) != lastwincol) {
+ wresize(win_meta->pad, getmaxy(win_meta->pad), lastwincol + 2); }
+ win->curses = subpad(win_meta->pad, win->height, win->width, startyx.y, startyx.x);
if (0 != win->next)
update_windows (win_meta, win->next); }
void destroy_window (struct Win * win) {
-// Undraw and delete window.
- delwin(win->curses_win);
- win->curses_win = 0; }
+// Delete window.
+ delwin(win->curses);
+ win->curses = 0; }
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->start_y; y <= win->start_y + win->height; y++) {
- mvaddch(y, win->start_x - 1, '|');
- mvaddch(y, win->start_x + win->width, '|'); }
- for (x = win->start_x; x <= win->start_x + win->width; x++) {
- mvaddch(win->start_y - 1, x, '-');
- mvaddch(win->start_y + 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);
+ for (y = getbegy(win->curses); y <= getbegy(win->curses) + win->height; y++) {
+ mvwaddch(wgetparent(win->curses), y, getbegx(win->curses) - 1, '|');
+ mvwaddch(wgetparent(win->curses), y, getbegx(win->curses) + win->width, '|'); }
+ for (x = getbegx(win->curses); x <= getbegx(win->curses) + win->width; x++) {
+ mvwaddch(wgetparent(win->curses), getbegy(win->curses) - 1, x, '-');
+ mvwaddch(wgetparent(win->curses), getbegy(win->curses) + 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_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';
- mvaddstr(win->start_y - 1, win->start_x + title_offset, title); }
- refresh(); }
+ mvwaddstr (wgetparent(win->curses), getbegy(win->curses)-1, getbegx(win->curses)+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->start_y - 1;
- corners[ccount].tl_x = win->start_x - 1;
- corners[ccount].tr_y = win->start_y - 1;
- corners[ccount].tr_x = win->start_x + win->width;
- corners[ccount].bl_y = win->start_y + win->height;
- corners[ccount].bl_x = win->start_x - 1;
- corners[ccount].br_y = win->start_y + win->height;
- corners[ccount].br_x = win->start_x + win->width;
+ corners[ccount].tl.y = getbegy(win->curses) - 1;
+ corners[ccount].tl.x = getbegx(win->curses) - 1;
+ corners[ccount].tr.y = getbegy(win->curses) - 1;
+ corners[ccount].tr.x = getbegx(win->curses) + win->width;
+ corners[ccount].bl.y = getbegy(win->curses) + win->height;
+ corners[ccount].bl.x = getbegx(win->curses) - 1;
+ corners[ccount].br.y = getbegy(win->curses) + win->height;
+ corners[ccount].br.x = getbegx(win->curses) + win->width;
if (0 != win->next) {
draw_windows_borders (win->next, win_active, corners, ccount + 1); } }
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); } }
void draw_all_windows (struct WinMeta * win_meta) {
// Draw all windows and their borders.
- int y, x;
- for (y = 0; y < win_meta->height; y++)
- for (x = 0; x < win_meta->width; x++)
- mvaddch(y, x, ' ');
+ erase();
+ wnoutrefresh(win_meta->screen);
+ werase(win_meta->pad);
if (win_meta->chain_start) {
int n_wins = 1;
struct Win * win_p = win_meta->chain_start;
win_p = win_p->next;
n_wins++; }
struct Corners * all_corners = malloc(sizeof(struct Corners) * n_wins);
- draw_windows_borders (win_meta->chain_start, win_meta->active, all_corners, 0);
draw_windows (win_meta->chain_start);
- for (y = 0; y < n_wins; y++) {
- mvaddch(all_corners[y].tl_y, all_corners[y].tl_x, 'o');
- mvaddch(all_corners[y].tr_y, all_corners[y].tr_x, 'o');
- mvaddch(all_corners[y].bl_y, all_corners[y].bl_x, 'o');
- mvaddch(all_corners[y].br_y, all_corners[y].br_x, 'o'); }
- free(all_corners); } }
-
-void draw_window(struct Win * win) {
-// Draw window content if visible.
- if (win->height > 1 && win->width > 1) ;
- win->draw(win);
- wrefresh(win->curses_win); }
+ draw_windows_borders (win_meta->chain_start, win_meta->active, all_corners, 0);
+ int i;
+ for (i = 0; i < n_wins; i++) {
+ mvwaddch(win_meta->pad, all_corners[i].tl.y, all_corners[i].tl.x, '+');
+ mvwaddch(win_meta->pad, all_corners[i].tr.y, all_corners[i].tr.x, '+');
+ mvwaddch(win_meta->pad, all_corners[i].bl.y, all_corners[i].bl.x, '+');
+ mvwaddch(win_meta->pad, all_corners[i].br.y, all_corners[i].br.x, '+'); }
+ pnoutrefresh(win_meta->pad, 0, win_meta->pad_offset, 0, 0, win_meta->height, win_meta->width - 1);
+ free(all_corners); }
+ doupdate(); }
void resize_window (struct WinMeta * win_meta, char change) {
// Grow or shrink currently active window. Correct its geometry and that of its followers.
|| (dir == 'b' && win_shift == win_meta->chain_start))
wrap = 1;
struct Win * win_p, * win_p_next;
- for (i_max = 1, win_p = win_meta->chain_start; win_p != win_meta->chain_end; i_max++, win_p = win_p->next);
+ for (i_max = 1, win_p = win_meta->chain_start; win_p != win_meta->chain_end; i_max++)
+ win_p = win_p->next;
struct Win ** wins = malloc(i_max * sizeof(struct Win *));
for (i = 0, win_p = win_meta->chain_start; i < i_max; i++) {
win_p_next = win_p->next;
projects / plomrogue / blobdiff