// 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.chain_start = 0;
win_meta.chain_end = 0;
return win_meta; }
win.curses_win = 0;
win.title = title;
win.width = 20;
- win.height = win_meta->height;
+ win.height = win_meta->height - 1;
return win; }
void append_window (struct WinMeta * win_meta, struct Win * win) {
void 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 = 0;
+ win->start_y = 1;
if (0 != win->prev) {
- if (win->prev->height == win_meta->height) // if prev window fills entire column, place win
- win->start_x = win->prev->start_x + win->prev->width; // in new column next to it
+ 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
else {
struct Win * first_ceiling = win->prev; // first_ceiling determines column with;
- while (first_ceiling->start_y != 0) // default: place window in new column
+ 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;
+ 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 the end of the last
- win_p = win_p ->next; } // row of windows inside the column; if
- int lastcol_start = win->prev->start_x + win->prev->width; // that fails, try to open a new row below
+ 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)
+ 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; } } } } }
+ win->start_y = lastrow_startwin->start_y + lastrow_startwin->height + 1; } } } } }
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)
destroy_window (win);
place_window(win_meta, win);
- if (win->start_y + win->height < win_meta->height) // dependent on window position,
- win->border_down = 1; // append space for borders to be drawn
- else
- win->border_down = 0;
- if (win->start_x > 0)
- win->border_left = 1;
- else
- win->border_left = 0;
- win->curses_win = newwin(win->height + win->border_down, win->width + win->border_left, win->start_y, win->start_x - win->border_left);
+ win->curses_win = newwin(win->height, win->width, win->start_y, win->start_x);
if (0 != win->next)
update_windows (win_meta, win->next); }
void destroy_window (struct Win * win) {
// Undraw and delete window.
- undraw_window (win->curses_win);
delwin(win->curses_win);
win->curses_win = 0; }
-void draw_windows (struct WinMeta * win_meta, struct Win * win) {
-// Draw all windows from the current one on.
- draw_window(win_meta, win);
- if (0 != win->next)
- draw_windows (win_meta, win->next); }
-
-void draw_all_windows (struct WinMeta * win_meta) {
-// Draw all windows from the chain start on.
- if (win_meta->chain_start)
- draw_windows (win_meta, win_meta->chain_start); }
-
-void draw_window(struct WinMeta * win_meta, struct Win * win) {
-// Draw win's content, including border and title (the latter dependent on space available for it).
- char ls = '|';
- char rs = '|';
- char ts = '-';
- char bs = '-';
- char tl = '-';
- char tr = '+';
- char bl = '|';
- char br = '|';
- if (1 == win->border_down) {
- bl = '+';
- br = '+'; }
- if (1 == win->border_left)
- tl = '+';
- wborder(win->curses_win, ls, rs, ts, bs, tl, tr, bl, br);
+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) + win->border_left; // + 2 is for decoration
- if (title_offset < win->border_left)
- title_offset = win->border_left;
+ 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);
char title[length_visible + 3];
char decoration = ' ';
- if (win_meta->active == win)
+ if (1 == active)
decoration = '$';
memcpy(title + 1, win->title, length_visible);
title[0] = title[length_visible + 1] = decoration;
title[length_visible + 2] = '\0';
- mvwaddstr(win->curses_win, 0, title_offset, title); }
+ mvaddstr(win->start_y - 1, win->start_x + title_offset, title); }
+ refresh(); }
+
+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.
+ char active = 0;
+ 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;
+ 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);
+ 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, ' ');
+ if (win_meta->chain_start) {
+ int n_wins = 1;
+ struct Win * win_p = win_meta->chain_start;
+ while (0 != win_p->next) {
+ 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); }
-void undraw_window (WINDOW * win) {
-// Fill entire window with whitespace.
- int y, x;
- for (y = 0; y <= win->_maxy; y++)
- for (x = 0; x <= win->_maxx; x++)
- mvwaddch(win, y, x, ' ');
- wrefresh(win); }
-
void resize_window (struct WinMeta * win_meta, char change) {
// Grow or shrink currently active window. Correct its geometry and that of its followers.
- if (change == '-' && win_meta->active->height > 2)
+ if (change == '-' && win_meta->active->height > 1)
win_meta->active->height--;
- else if (change == '+' && win_meta->active->height < win_meta->height)
+ else if (change == '+' && win_meta->active->height < win_meta->height - 1)
win_meta->active->height++;
- else if (change == '_' && win_meta->active->width > 2)
+ else if (change == '_' && win_meta->active->width > 1)
win_meta->active->width--;
else if (change == '*')
win_meta->active->width++;
projects / plomrogue / blobdiff