static void draw_windows_borders (struct Win *, struct Win *, struct Corners *, uint16_t);
static void draw_window_borders (struct Win *, char);
static void draw_windows (struct Win *);
-static void draw_vertical_scroll_hint (struct WinMeta *, uint16_t, uint32_t, char);
extern struct WinMeta init_win_meta (WINDOW * screen) {
// Create and populate WinMeta struct with sane default values.
if (0 != win->next) {
draw_windows (win->next); } }
-static 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;
- 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->pad.size.y > (strlen(scrolldesc) + 1))
- offset = (win_meta->pad.size.y - strlen(scrolldesc)) / 2;
- for (y = 0; y < win_meta->pad.size.y; y++)
- if (y >= offset && y < strlen(scrolldesc) + offset)
- mvwaddch(win_meta->pad.curses_win, y, x, scrolldesc[y - offset] | A_REVERSE);
+extern void draw_scroll_hint (struct Frame * frame, uint16_t pos, uint32_t dist, char dir) {
+// Draw scroll hint into frame at pos (row or col dependend on dir), mark distance of dist cells into dir.
+ char more[] = "more";
+ char unit_cols[] = "columns";
+ char unit_rows[] = "lines";
+ uint16_t dsc_space = frame->size.x;
+ char * unit = unit_rows;
+ if ('<' == dir || '>' == dir) {
+ dsc_space = frame->size.y;
+ unit = unit_cols; }
+ char * scrolldsc = malloc((4 * sizeof(char)) + strlen(more) + strlen(unit) + 10); // 10: strlen for uint32_t
+ sprintf(scrolldsc, " %d %s %s ", dist, more, unit);
+ char offset = 1, q;
+ if (dsc_space > strlen(scrolldsc) + 1)
+ offset = (dsc_space - strlen(scrolldsc)) / 2;
+ chtype symbol;
+ for (q = 0; q < dsc_space; q++) {
+ if (q >= offset && q < strlen(scrolldsc) + offset)
+ symbol = scrolldsc[q - offset] | A_REVERSE;
else
- mvwaddch(win_meta->pad.curses_win, y, x, dir | A_REVERSE);
- free(scrolldesc); }
+ symbol = dir | A_REVERSE;
+ if ('<' == dir || '>' == dir)
+ mvwaddch(frame->curses_win, q, pos, symbol);
+ else
+ mvwaddch(frame->curses_win, pos, q, symbol); }
+ free(scrolldsc); }
extern void draw_all_windows (struct WinMeta * win_meta) {
// Draw pad with all windows and their borders, plus scrolling hints.
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_scroll_hint(&win_meta->pad, win_meta->pad_offset, win_meta->pad_offset + 1, '<');
if (win_meta->pad_offset + win_meta->pad.size.x < getmaxx(win_meta->pad.curses_win) - 1)
for (y = 0; y < win_meta->pad.size.y; y++)
- draw_vertical_scroll_hint(win_meta, win_meta->pad_offset + win_meta->pad.size.x - 1,
- getmaxx(win_meta->pad.curses_win) - (win_meta->pad_offset
- + win_meta->pad.size.x),
+ draw_scroll_hint(&win_meta->pad, win_meta->pad_offset + win_meta->pad.size.x - 1,
+ getmaxx(win_meta->pad.curses_win) - (win_meta->pad_offset + win_meta->pad.size.x),
'>');
pnoutrefresh(win_meta->pad.curses_win, 0, win_meta->pad_offset, 0, 0, win_meta->pad.size.y,
win_meta->pad.size.x - 1); }