if (0 != win->next) {
draw_windows (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);
+ offset = 1;
+ if (win_meta->height > (strlen(scrolldesc) + 1))
+ offset = (win_meta->height - strlen(scrolldesc)) / 2;
+ for (y = 0; y < win_meta->height; y++)
+ if (y >= offset && y < strlen(scrolldesc) + offset)
+ mvwaddch(win_meta->pad, y, x, scrolldesc[y - offset] | A_REVERSE);
+ else
+ mvwaddch(win_meta->pad, y, x, dir | A_REVERSE);
+ free(scrolldesc); }
+
void draw_all_windows (struct WinMeta * win_meta) {
// Draw pad with all windows and their borders, plus scrolling hints.
erase();
free(all_corners);
uint16_t y;
if (win_meta->pad_offset > 0)
- for (y = 0; y < win_meta->height; y++)
- mvwaddch(win_meta->pad, y, win_meta->pad_offset, '<' | A_REVERSE);
+ 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++)
- mvwaddch(win_meta->pad, y, win_meta->pad_offset + win_meta->width - 1, '>' | A_REVERSE);
+ draw_vertical_scroll_hint(win_meta, win_meta->pad_offset + win_meta->width - 1,
+ getmaxx(win_meta->pad) - (win_meta->pad_offset + win_meta->width + 1), '>');
pnoutrefresh(win_meta->pad, 0, win_meta->pad_offset, 0, 0, win_meta->height, win_meta->width - 1); }
doupdate(); }