win_meta.active = 0;
return win_meta; }
-void scroll_pad (struct WinMeta * win_meta, char dir) {
-// Scroll pad left or right (if possible).
- if ('+' == dir && win_meta->pad_offset + win_meta->width < getmaxx(win_meta->pad) - 1)
- win_meta->pad_offset++;
- else if ('-' == dir && win_meta->pad_offset > 0)
- win_meta->pad_offset--; }
-
struct Win init_window (struct WinMeta * win_meta, char * title, void * data, void * func) {
// Create and populate Win struct with sane default values.
struct Win win;
update_windows(win_meta, win); }
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 win, suspend from chain. Update geometry of following rows and pad, 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.
win->prev->next = win->next;
else
win_meta->chain_start = win->next;
+ char pad_refitted = 0;
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 ...
+ win_meta->active = win->next; // the next chain element, if that is a window ...
+ update_windows(win_meta, win->next);
+ pad_refitted = 1; }
else {
win_meta->chain_end = win->prev;
if (win_meta->active == win) // ... or else to the previous element.
win_meta->active = win->prev; }
- if (0 != win->prev)
- update_windows(win_meta, win->prev);
- else if (0 != win->next)
- update_windows(win_meta, win->next);
win->prev = 0;
- win->next = 0; }
+ win->next = 0;
+ if (0 == pad_refitted) { // Refit pad if necessary.
+ uint16_t lastwincol = 0;
+ struct Win * win_p = win_meta->chain_start;
+ while (win_p != 0) {
+ if (getbegx(win_p->curses) + win_p->width > lastwincol + 1)
+ lastwincol = getbegx(win_p->curses) + win_p->width - 1;
+ win_p = win_p->next; }
+ if (getmaxx(win_meta->pad) != lastwincol)
+ wresize(win_meta->pad, getmaxy(win_meta->pad), lastwincol + 2); } }
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.
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); }
+ 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 draw_vertical_scroll_hint (struct WinMeta * win_meta, uint16_t x, uint32_t more_cols, char dir) {
// Draw scroll hint line in win at col x of pad display, announce more_cols more columns in direction dir.
uint16_t y, offset;
- offset = 0;
char phrase[] = "more columns";
char * scrolldesc = malloc((3 * sizeof(char)) + strlen(phrase) + 10); // 10 = max chars for uint32_t string
sprintf(scrolldesc, " %d %s ", more_cols, phrase);
free(all_corners);
uint16_t y;
if (win_meta->pad_offset > 0)
- draw_vertical_scroll_hint(win_meta, win_meta->pad_offset, win_meta->pad_offset + 1, '<');
+ draw_vertical_scroll_hint(win_meta, win_meta->pad_offset, win_meta->pad_offset + 1, '<');
if (win_meta->pad_offset + win_meta->width < getmaxx(win_meta->pad) - 1)
for (y = 0; y < win_meta->height; y++)
draw_vertical_scroll_hint(win_meta, win_meta->pad_offset + win_meta->width - 1,
append_window(win_meta, wins[i]);
free(wins);
win_meta->active = win_shift; } }
+
+void reset_pad_offset(struct WinMeta * win_meta, uint16_t new_offset) {
+// Apply new_offset to windows pad, if it proves to be sane.
+ if (new_offset >= 0 && new_offset + win_meta->width < getmaxx(win_meta->pad))
+ win_meta->pad_offset = new_offset; }