1 /* src/client/draw_wins.c */
3 #define _POSIX_C_SOURCE 200809L /* strdup() */
5 #include <ncurses.h> /* typedefs attr_t, chtype, define A_REVERSE */
6 #include <stddef.h> /* NULL */
7 #include <stdint.h> /* uint8_t, uint16_t, uint32_t, UINT16_MAX */
8 #include <stdio.h> /* sprintf() */
9 #include <stdlib.h> /* free() */
10 #include <string.h> /* memset(), strchr(), strdup/(), strlen() */
11 #include "../common/rexit.h" /* exit_err() */
12 #include "../common/try_malloc.h" /* try_malloc() */
13 #include "../common/yx_uint16.h" /* struct yx_uint16 */
14 #include "keybindings.h" /* struct KeyBindingDB, get_keyname_to_keycode() */
15 #include "windows.h" /* struct Win, get_win_by_id() */
16 #include "world.h" /* global world */
20 /* Apply to the winmap of Win "w" the new sizes "new_size_y" and "new_size_x"
21 * to the degree that they extend it. Re-shape the window content accordingly.
23 static void try_resize_winmap(struct Win * w, int new_size_y, int new_size_x);
25 /* In Win "w", write "ch" to coordinate "y"/"x". */
26 static void set_ch_on_yx(struct Win * w, int y, int x, chtype ch);
28 /* Add "line" into window "w" with "attri" set on all chars. add_line() selects
29 * one of the other three functions based on the "win"->linebreak mode.
31 * "wide" writes lines to full width without in-between breaks. "long" breaks
32 * lines on the right window border. "compact" replaces newlines with printable
33 * separator characters. "offset" and "last" are only relevant to the "compact"
34 * mode. "offset" reports the horizontal offset at which the line is drawn from
35 * the lowest existing winmap line on; it is updated to the next offset after
36 * the new line, to be used by the next add_line_compact() call. "last" marks
37 * the line to add as the last in the window, so no further separator is added.
39 static void add_line(struct Win * win, char * line, attr_t attri,
40 uint16_t * offset, uint8_t last);
41 static void add_line_wide(struct Win * win, char * line, attr_t attri);
42 static void add_line_long(struct Win * win, char * line, attr_t attri);
43 static void add_line_compact(struct Win * win, char * line, attr_t attri,
44 uint16_t * offset, uint8_t last);
46 /* Add linebreaks-containing "text" to "win", formatted as per "win"->linebreak.
48 * draw_text_from_bottom() prepends empty lines to "text" to push its last line
49 * to the low frame edge when the frame is of greater height than the winmap
50 * would be otherwise; else, set "win"->center.y to the winmap's lowest line.
52 static void add_text_with_linebreaks(struct Win * win, char * text);
53 static void draw_text_from_bottom(struct Win * win, char * text);
55 /* Return a properly formatted keybinding list line for "kb". */
56 static char * get_kb_line(struct KeyBinding * kb);
58 /* Draw from line "start" on config view for keybindings defined at "kb". */
59 static void draw_keybinding_config(struct Win * win, struct KeyBindingDB * kbdb,
62 /* Draw into window "w" from line "start" on a "title" followed by an empty
63 * line followed by a list of all keybindings starting in "kbdb".
65 static void draw_titled_keybinding_list(char * title, struct Win * win,
66 uint16_t * offset, uint8_t last,
67 struct KeyBindingDB * kbdb);
71 static void try_resize_winmap(struct Win * win, int new_size_y, int new_size_x)
73 char * f_name = "try_resize_winmap()";
74 if (win->winmap_size.y >= new_size_y && win->winmap_size.x >= new_size_x)
78 if (win->winmap_size.y > new_size_y)
80 new_size_y = win->winmap_size.y;
82 else if (win->winmap_size.x > new_size_x)
84 new_size_x = win->winmap_size.x;
86 chtype * old_winmap = win->winmap;
87 uint32_t new_size = sizeof(chtype) * new_size_y * new_size_x;
88 win->winmap = try_malloc(new_size, f_name);
90 for (y = 0; y < new_size_y; y++)
92 for (x = 0; y < win->winmap_size.y && x < win->winmap_size.x; x++)
94 chtype ch = old_winmap[(y * win->winmap_size.x) + x];
95 win->winmap[(y * new_size_x) + x] = ch;
97 for (; x < new_size_x; x++)
99 win->winmap[(y * new_size_x) + x] = ' ';
103 win->winmap_size.y = new_size_y;
104 win->winmap_size.x = new_size_x;
109 static void set_ch_on_yx(struct Win * win, int y, int x, chtype ch)
111 win->winmap[(y * win->winmap_size.x) + x] = ch;
116 static void add_line(struct Win * win, char * line, attr_t attri,
117 uint16_t * offset, uint8_t last)
119 exit_err(strlen(line) > UINT16_MAX, "Line in add_line() too big.");
120 if (0 == win->linebreak)
122 add_line_long(win, line, attri);
124 else if (1 == win->linebreak)
126 add_line_wide(win, line, attri);
128 else if (2 == win->linebreak)
130 add_line_compact(win, line, attri, offset, last);
136 static void add_line_wide(struct Win * win, char * line, attr_t attri)
138 uint16_t y_start = win->winmap_size.y;
139 uint16_t len_line = strlen(line);
140 try_resize_winmap(win, y_start + 1, win->frame_size.x);
141 try_resize_winmap(win, y_start + 1, len_line);
143 for (x = 0; x < len_line; x++)
145 set_ch_on_yx(win, y_start, x, line[x] | attri);
149 for (; x < win->frame_size.x; x++)
151 set_ch_on_yx(win, y_start, x, ' ' | attri);
158 static void add_line_long(struct Win * win, char * line, attr_t attri)
160 uint16_t y_start = win->winmap_size.y;
161 uint16_t len_line = strlen(line);
162 try_resize_winmap(win, y_start + 1, win->frame_size.x);
164 for (z = 0, y = y_start; z < len_line; y++)
166 for (x = 0; x < win->winmap_size.x && z < len_line; x++, z++)
168 set_ch_on_yx(win, y, x, line[z] | attri);
172 try_resize_winmap(win, y + 1 + 1, win->winmap_size.x);
179 static void add_line_compact(struct Win * win, char * line, attr_t attri,
180 uint16_t * offset, uint8_t last)
182 uint16_t y_start = win->winmap_size.y - (win->winmap_size.y > 0);
183 try_resize_winmap(win, y_start + 1, win->frame_size.x);
184 uint16_t len_line = strlen(line);
185 char * separator = last ? "" : " / ";
186 uint32_t len_line_new = len_line + strlen(separator);
187 char line_new[len_line_new];
188 sprintf(line_new, "%s%s", line, separator);
191 for (z = 0, y = y_start; z < len_line_new; y++)
193 for (x = * offset; x < win->winmap_size.x && z < len_line_new; x++, z++)
195 set_ch_on_yx(win, y, x, line_new[z] | attri);
196 if (z + 1 == (uint32_t) len_line)
202 if (z < len_line_new)
204 try_resize_winmap(win, y + 1 + 1, win->winmap_size.x);
212 static void add_text_with_linebreaks(struct Win * win, char * text)
216 char * text_copy = strdup(text);
217 char * start = text_copy;
218 while (NULL != (limit = strchr(start, '\n')))
221 add_line(win, start, 0, &offset, 0);
224 add_line(win, start, 0, &offset, 1);
230 static void draw_text_from_bottom(struct Win * win, char * text)
232 add_text_with_linebreaks(win, text);
233 if (win->winmap_size.y > win->frame_size.y)
235 win->center.y = win->winmap_size.y - 1;
237 else if (win->winmap_size.y < win->frame_size.y)
239 uint16_t new_y_start = win->frame_size.y - win->winmap_size.y;
240 memset(&win->winmap_size, 0, sizeof(struct yx_uint16));
245 add_line_wide(win, " ", 0);
247 while (new_y_start > win->winmap_size.y);
248 if (2 == win->linebreak) /* add_text_with_linebreaks() will start not */
249 { /* not after, but within the last line then. */
250 add_line_wide(win, " ", 0);
252 add_text_with_linebreaks(win, text);
258 static char * get_kb_line(struct KeyBinding * kb)
260 char * f_name = "get_kb_line()";
261 char * keyname = get_keyname_to_keycode(kb->keycode);
262 uint16_t size = strlen(keyname) + 3 + strlen(kb->command->dsc_long) + 1;
263 char * kb_line = try_malloc(size, f_name);
264 sprintf(kb_line, "%s - %s", keyname, kb->command->dsc_long);
271 static void draw_keybinding_config(struct Win * win, struct KeyBindingDB * kbdb,
274 if (0 == kbdb->n_of_kbs)
276 add_line(win, "(none)", 0, &offset, 0);
280 for (kb_n = 0; kb_n < kbdb->n_of_kbs; kb_n++)
283 if (kb_n == kbdb->select)
288 attri = attri | A_BLINK;
290 win->center.y = win->winmap_size.y;
292 char * kb_line = get_kb_line(&kbdb->kbs[kb_n]);
293 add_line(win, kb_line, attri, &offset, (kbdb->n_of_kbs == kb_n + 1));
300 static void draw_titled_keybinding_list(char * title, struct Win * win,
301 uint16_t * offset, uint8_t last,
302 struct KeyBindingDB * kbdb)
306 while (0 == state || kb_n < kbdb->n_of_kbs)
310 add_line(win, title, 0, offset, 0);
311 add_line(win, " ", 0, offset, 0);
312 state = 1 + (0 == kbdb->n_of_kbs);
315 char * kb_line = get_kb_line(&kbdb->kbs[kb_n]);
316 add_line(win, kb_line, 0, offset, (last * kbdb->n_of_kbs == kb_n + 1));
322 add_line(win, "(none)", 0, offset, last);
328 extern void draw_win_log(struct Win * win)
334 draw_text_from_bottom(win, world.log);
339 extern void draw_win_map(struct Win * win)
341 try_resize_winmap(win, world.map.size.y, world.map.size.x);
344 for (y = 0; y < world.map.size.y; y++)
346 for (x = 0; x < world.map.size.x; x++)
348 set_ch_on_yx(win, y, x, world.map.cells[z]);
356 extern void draw_win_info(struct Win * win)
358 char * dsc_turn = "Turn: ";
359 char * dsc_hitpoints = "\nHitpoints: ";
360 uint16_t maxl = strlen(dsc_turn) + 5 + strlen(dsc_hitpoints) + 3;
362 sprintf(text, "%s%d%s%d",
363 dsc_turn, world.turn, dsc_hitpoints, world.player_lifepoints);
364 add_text_with_linebreaks(win, text);
369 extern void draw_win_inventory(struct Win * win)
372 char * text_copy = strdup(world.player_inventory);
373 char * start = text_copy;
375 uint8_t found_selection = 0;
377 while (NULL != (limit = strchr(start, '\n')))
381 if (i == world.player_inventory_select)
385 win->center.y = win->winmap_size.y;
387 add_line(win, start, attri, &offset, 0);
391 win->center.y = !found_selection ? win->winmap_size.y : win->center.y;
392 add_line(win, start, !found_selection * A_REVERSE, &offset, 1);
398 extern void draw_win_available_keybindings(struct Win * win)
400 char * title = "Active window's keys:";
401 struct Win * win_active = get_win_by_id(world.winDB.active);
402 struct KeyBindingDB * kbdb = &win_active->kb;
403 if (1 == win_active->view)
405 kbdb = &world.kb_wingeom;
407 else if (2 == win_active->view)
409 kbdb = &world.kb_winkeys;
412 draw_titled_keybinding_list(title, win, &offset, 0, kbdb);
413 add_line(win, " ", 0, &offset, 0);
414 title = "Global keys:";
415 draw_titled_keybinding_list(title, win, &offset, 1, &world.kb_global);
421 extern void draw_win_keybindings_global(struct Win * win)
423 win->center.y = world.kb_global.select;
424 draw_keybinding_config(win, &world.kb_global, 0);
429 extern void draw_win_keybindings_winconf_geometry(struct Win * win)
431 win->center.y = world.kb_wingeom.select;
432 draw_keybinding_config(win, &world.kb_wingeom, 0);
437 extern void draw_win_keybindings_winconf_keybindings(struct Win * win)
439 win->center.y = world.kb_winkeys.select;
440 draw_keybinding_config(win, &world.kb_winkeys, 0);
445 extern void draw_winconf_keybindings(struct Win * win)
447 char * title = "Window's keys:";
449 add_line(win, title, 0, &offset, 0);
450 add_line(win, " ", 0, &offset, 0);
451 draw_keybinding_config(win, &win->kb, offset);
456 extern void draw_winconf_geometry(struct Win * win)
458 char * title = "Window's geometry:\n\n";
459 char * h_title = "Height to save: ";
460 char h_value[6 + 1]; /* 6: int16_t value max strlen */
461 sprintf(h_value, "%d", win->target_height);
462 char * h_plus = " (width in cells)\n\n";
463 char * h_minus = " (negative diff: cells to screen width)\n\n";
464 char * h_type = (1 == win->target_height_type) ? h_minus : h_plus;
465 char * w_title = "Width to save: ";
467 sprintf(w_value, "%d", win->target_width);
468 char * w_plus = "(height in cells)\n\n";
469 char * w_minus = " (negative diff: cells to screen height)\n\n";
470 char * w_type = (1 == win->target_width_type) ? w_minus : w_plus;
471 char * breaks_title = "Linebreak type: ";
472 char * breaks_type = (1 == win->linebreak) ? "wide" : "long";
473 breaks_type = (2 == win->linebreak) ? "compact" : breaks_type;
474 uint16_t text_size = strlen(title)
475 + strlen(h_title) + strlen(h_value) + strlen(h_type)
476 + strlen(w_title) + strlen(w_value) + strlen(w_type)
477 + strlen(breaks_title) + strlen(breaks_type);
478 char text[text_size + 1];
479 sprintf(text, "%s%s%s%s%s%s%s%s%s", title, h_title, h_value, h_type,
480 w_title, w_value, w_type, breaks_title, breaks_type);
481 add_text_with_linebreaks(win, text);