#include <string.h> /* for strlen() */
#include <ncurses.h> /* for mvwaddch() */
#include "windows.h" /* for structs Win, Frame, for draw_scroll_hint() */
-#include "misc.h" /* for center_offset() */
+#include "misc.h" /* for center_offset(), try_malloc() */
#include "keybindings.h" /* for struct KeyBinding, for get_name_to_keycode() */
#include "map_objects.h" /* for structs MapObj, Player */
#include "map.h" /* for Map struct */
static void draw_with_linebreaks(struct Win * win, char * text,
uint16_t start_y);
-/* Write "line" into window "win" at line "y" as far as it fits into it. */
-static void draw_line(struct Win * win, uint16_t y, char * line);
+/* Write "line" into window "win" at line "y" as far as it fits into it; apply
+ * ncurses attribute "attri" to all characters drawn; if "fill" is non-zero,
+ * fill the entire line with empty characters ("attri" also applied on these).
+ */
+static void draw_line(struct Win * win, uint16_t y, char * line, attr_t attri,
+ uint8_t fill);
/* Write "text" not starting from the top but from the bottom of "win". */
static void draw_text_from_bottom(struct Win * win, char * text);
static void draw_map_objects(struct World * world, struct MapObj * start,
struct Map * map, struct Win * win);
+/* Return keybinding list line via "kb_pp", iterate pointer pointed to by it. */
+static char * get_kb_line_and_iterate(struct World * world,
+ struct KeyBinding ** kb_pp);
+
/* Draw from line "start" on config view for keybindings defined at "kb". */
static void draw_kb_view(struct World * world, struct Win * win,
char * f_name, struct KeyBiData * kb, uint8_t start);
-static void draw_line(struct Win * win, uint16_t y, char * line)
+static void draw_line(struct Win * win, uint16_t y, char * line, attr_t attri,
+ uint8_t fill)
{
uint16_t x = 0;
for (; x < win->frame.size.x && x < strlen(line); x++)
{
- mvwaddch(win->frame.curses_win, y, x, line[x]);
+ mvwaddch(win->frame.curses_win, y, x, line[x] | attri);
+ }
+ if (0 != fill)
+ {
+ for (; x < win->frame.size.x; x++)
+ {
+ mvwaddch(win->frame.curses_win, y, x, ' ' | attri);
+ }
}
}
+static char * get_kb_line_and_iterate(struct World * world,
+ struct KeyBinding ** kb_pp)
+{
+ char * f_name = "get_kb_line_and_iterate()";
+ struct KeyBinding * kb_p = * kb_pp;
+ char * keyname = get_name_to_keycode(world, kb_p->key);
+ char * cmd_dsc = get_command_longdsc(world, kb_p->name);
+ uint16_t size = 9 + 1 + strlen(cmd_dsc) + 1;
+ char * line = try_malloc(size, world, f_name);
+ sprintf(line, "%-9s %s", keyname, cmd_dsc);
+ free(keyname);
+ * kb_pp = kb_p->next;
+ return line;
+}
+
+
+
static void draw_kb_view(struct World * world, struct Win * win,
char * f_name, struct KeyBiData * kb, uint8_t start)
{
+ if (0 == kb->kbs)
+ {
+ draw_line(win, start, "(none)", 0, 0);
+ }
char * err_hint = trouble_msg(world, f_name, "draw_scroll_hint()");
uint16_t kb_max = get_n_of_keybs(kb->kbs) - 1;
- uint16_t y, x, offset;
+ uint16_t y, offset;
offset = center_offset(kb->select, kb_max, win->frame.size.y - 1 - start);
- uint8_t keydescwidth = 9 + 1; /* get_name_to_keycode()'s max length + \0 */
- char keydesc[keydescwidth];
- uint16_t nav_max = kb_max + start;
uint16_t y_border = win->frame.size.y + offset - 1 - start;
- for (y = start; y <= nav_max && y < win->frame.size.y; y++)
+ struct KeyBinding * kb_p = get_keyb_of_n(kb->kbs, offset + (offset > 0));
+ for (y = start; 0 != kb_p && y < win->frame.size.y; y++)
{
-
if (start == y && offset > 0)
{
uint8_t test = draw_scroll_hint(&win->frame, y, offset + 1, '^');
exit_err(test, world, err_hint);
continue;
}
-
attr_t attri = 0;
if (y - start == kb->select - offset)
{
attri = attri | A_BLINK;
}
}
-
- struct KeyBinding * kb_p;
- kb_p = get_keyb_of_n(kb->kbs, (y - start) + offset);
- char * keyname = get_name_to_keycode(world, kb_p->key);
- snprintf(keydesc, keydescwidth, "%-9s", keyname);
- free(keyname);
- char * cmd_dsc = get_command_longdsc(world, kb_p->name);
- uint8_t dsclen = strlen(keydesc);
- for (x = 0; x < win->frame.size.x; x++)
- {
- if (x < dsclen)
- {
- mvwaddch(win->frame.curses_win, y, x, keydesc[x] | attri);
- continue;
- }
- else if (dsclen < x && x < strlen(cmd_dsc) + strlen(keydesc) + 1)
- {
- chtype ch = cmd_dsc[x - strlen(keydesc) - 1] | attri;
- mvwaddch(win->frame.curses_win, y, x, ch);
- continue;
- }
- mvwaddch(win->frame.curses_win, y, x, ' ' | attri);
- }
-
+ char * kb_line = get_kb_line_and_iterate(world, &kb_p);
+ draw_line(win, y, kb_line, attri, 1);
+ free(kb_line);
}
free(err_hint);
}
}
continue;
}
- char * keyname = get_name_to_keycode(world, kb_p->key);
- char * cmd_dsc = get_command_longdsc(world, kb_p->name);
- char line[9 + 1 + strlen(cmd_dsc) + 1];
- sprintf(line, "%-9s %s", keyname, cmd_dsc);
- free(keyname);
- kb_p = kb_p->next;
- draw_line(win, y, line);
+ char * kb_line = get_kb_line_and_iterate(world, &kb_p);
+ draw_line(win, y, kb_line, 0, 0);
+ free(kb_line);
}
if (2 == state)
{
- char * line = "(none)";
- draw_line(win, y, line);
+ draw_line(win, y, "(none)", 0, 0);
y++;
}
return y;