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(), exit_trouble() */
12 #include "../common/try_malloc.h" /* try_malloc() */
13 #include "keybindings.h" /* struct KeyBindingDB, get_keyname_to_keycode() */
14 #include "windows.h" /* yx_uint16, Win, get_win_by_id() */
15 #include "world.h" /* global world */
19 /* Apply to the winmap of Win "w" the new sizes "new_size_y" and "new_size_x"
20 * to the degree that they extend it. Re-shape the window content accordingly.
22 static void try_resize_winmap(struct Win * w, int new_size_y, int new_size_x);
24 /* In Win "w", write "ch" to coordinate "y"/"x". */
25 static void set_ch_on_yx(struct Win * w, int y, int x, chtype ch);
27 /* Add "line" into window "w" with "attri" set on all chars. add_line() selects
28 * one of the other three functions based on the "win"->linebreak mode.
30 * "wide" writes lines to full width without in-between breaks. "long" breaks
31 * lines on the right window border. "compact" replaces newlines with printable
32 * separator characters. "offset" and "last" are only relevant to the "compact"
33 * mode. "offset" reports the horizontal offset at which the line is drawn from
34 * the lowest existing winmap line on; it is updated to the next offset after
35 * the new line, to be used by the next add_line_compact() call. "last" marks
36 * the line to add as the last in the window, so no further separator is added.
38 static void add_line(struct Win * win, char * line, attr_t attri,
39 uint16_t * offset, uint8_t last);
40 static void add_line_wide(struct Win * win, char * line, attr_t attri);
41 static void add_line_long(struct Win * win, char * line, attr_t attri);
42 static void add_line_compact(struct Win * win, char * line, attr_t attri,
43 uint16_t * offset, uint8_t last);
45 /* Add linebreaks-containing "text" to "win", formatted as per "win"->linebreak.
47 * draw_text_from_bottom() prepends empty lines to "text" to push its last line
48 * to the low frame edge when the frame is of greater height than the winmap
49 * would be otherwise; else, set "win"->center.y to the winmap's lowest line.
51 static void add_text_with_linebreaks(struct Win * win, char * text);
52 static void draw_text_from_bottom(struct Win * win, char * text);
54 /* Return a properly formatted keybinding list line for "kb". */
55 static char * get_kb_line(struct KeyBinding * kb);
57 /* Draw from line "start" on config view for keybindings defined at "kb". */
58 static void draw_keybinding_config(struct Win * win, struct KeyBindingDB * kbdb,
61 /* Draw into window "w" from line "start" on a "title" followed by an empty
62 * line followed by a list of all keybindings starting in "kbdb".
64 static void draw_titled_keybinding_list(char * title, struct Win * win,
65 uint16_t * offset, uint8_t last,
66 struct KeyBindingDB * kbdb);
70 static void try_resize_winmap(struct Win * win, int new_size_y, int new_size_x)
72 char * f_name = "try_resize_winmap()";
73 if (win->winmap_size.y >= new_size_y && win->winmap_size.x >= new_size_x)
77 if (win->winmap_size.y > new_size_y)
79 new_size_y = win->winmap_size.y;
81 else if (win->winmap_size.x > new_size_x)
83 new_size_x = win->winmap_size.x;
85 chtype * old_winmap = win->winmap;
86 uint32_t new_size = sizeof(chtype) * new_size_y * new_size_x;
87 win->winmap = try_malloc(new_size, f_name);
89 for (y = 0; y < new_size_y; y++)
91 for (x = 0; y < win->winmap_size.y && x < win->winmap_size.x; x++)
93 chtype ch = old_winmap[(y * win->winmap_size.x) + x];
94 win->winmap[(y * new_size_x) + x] = ch;
96 for (; x < new_size_x; x++)
98 win->winmap[(y * new_size_x) + x] = ' ';
102 win->winmap_size.y = new_size_y;
103 win->winmap_size.x = new_size_x;
108 static void set_ch_on_yx(struct Win * win, int y, int x, chtype ch)
110 win->winmap[(y * win->winmap_size.x) + x] = ch;
115 static void add_line(struct Win * win, char * line, attr_t attri,
116 uint16_t * offset, uint8_t last)
118 exit_err(strlen(line) > UINT16_MAX, "Line in add_line() too big.");
119 if (0 == win->linebreak)
121 add_line_long(win, line, attri);
123 else if (1 == win->linebreak)
125 add_line_wide(win, line, attri);
127 else if (2 == win->linebreak)
129 add_line_compact(win, line, attri, offset, last);
135 static void add_line_wide(struct Win * win, char * line, attr_t attri)
137 uint16_t y_start = win->winmap_size.y;
138 uint16_t len_line = strlen(line);
139 try_resize_winmap(win, y_start + 1, win->frame_size.x);
140 try_resize_winmap(win, y_start + 1, len_line);
142 for (x = 0; x < len_line; x++)
144 set_ch_on_yx(win, y_start, x, line[x] | attri);
148 for (; x < win->frame_size.x; x++)
150 set_ch_on_yx(win, y_start, x, ' ' | attri);
157 static void add_line_long(struct Win * win, char * line, attr_t attri)
159 uint16_t y_start = win->winmap_size.y;
160 uint16_t len_line = strlen(line);
161 try_resize_winmap(win, y_start + 1, win->frame_size.x);
163 for (z = 0, y = y_start; z < len_line; y++)
165 for (x = 0; x < win->winmap_size.x && z < len_line; x++, z++)
167 set_ch_on_yx(win, y, x, line[z] | attri);
171 try_resize_winmap(win, y + 1 + 1, win->winmap_size.x);
178 static void add_line_compact(struct Win * win, char * line, attr_t attri,
179 uint16_t * offset, uint8_t last)
181 char * f_name = "add_line_compact()";
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 = try_malloc(len_line_new, f_name);
188 int test = sprintf(line_new, "%s%s", line, separator);
189 exit_trouble(test < 0, f_name, "sprintf()");
193 for (z = 0, y = y_start; z < len_line_new; y++)
195 for (x = * offset; x < win->winmap_size.x && z < len_line_new; x++, z++)
197 set_ch_on_yx(win, y, x, line_new[z] | attri);
198 if (z + 1 == (uint32_t) len_line)
204 if (z < len_line_new)
206 try_resize_winmap(win, y + 1 + 1, win->winmap_size.x);
215 static void add_text_with_linebreaks(struct Win * win, char * text)
219 char * text_copy = strdup(text);
220 char * start = text_copy;
221 while (NULL != (limit = strchr(start, '\n')))
224 add_line(win, start, 0, &offset, 0);
227 add_line(win, start, 0, &offset, 1);
233 static void draw_text_from_bottom(struct Win * win, char * text)
235 add_text_with_linebreaks(win, text);
236 if (win->winmap_size.y > win->frame_size.y)
238 win->center.y = win->winmap_size.y - 1;
240 else if (win->winmap_size.y < win->frame_size.y)
242 uint16_t new_y_start = win->frame_size.y - win->winmap_size.y;
243 memset(&win->winmap_size, 0, sizeof(struct yx_uint16));
248 add_line_wide(win, " ", 0);
250 while (new_y_start > win->winmap_size.y);
251 if (2 == win->linebreak) /* add_text_with_linebreaks() will start not */
252 { /* not after, but within the last line then. */
253 add_line_wide(win, " ", 0);
255 add_text_with_linebreaks(win, text);
261 static char * get_kb_line(struct KeyBinding * kb)
263 char * f_name = "get_kb_line()";
264 char * keyname = get_keyname_to_keycode(kb->keycode);
265 uint16_t size = strlen(keyname) + 3 + strlen(kb->command->dsc_long) + 1;
266 char * kb_line = try_malloc(size, f_name);
267 int test = sprintf(kb_line, "%s - %s", keyname, kb->command->dsc_long);
268 exit_trouble(test < 0, f_name, "sprintf()");
275 static void draw_keybinding_config(struct Win * win, struct KeyBindingDB * kbdb,
278 if (0 == kbdb->n_of_kbs)
280 add_line(win, "(none)", 0, &offset, 0);
284 for (kb_n = 0; kb_n < kbdb->n_of_kbs; kb_n++)
287 if (kb_n == kbdb->select)
292 attri = attri | A_BLINK;
294 win->center.y = win->winmap_size.y;
296 char * kb_line = get_kb_line(&kbdb->kbs[kb_n]);
297 add_line(win, kb_line, attri, &offset, (kbdb->n_of_kbs == kb_n + 1));
304 static void draw_titled_keybinding_list(char * title, struct Win * win,
305 uint16_t * offset, uint8_t last,
306 struct KeyBindingDB * kbdb)
310 while (0 == state || kb_n < kbdb->n_of_kbs)
314 add_line(win, title, 0, offset, 0);
315 add_line(win, " ", 0, offset, 0);
316 state = 1 + (0 == kbdb->n_of_kbs);
319 char * kb_line = get_kb_line(&kbdb->kbs[kb_n]);
320 add_line(win, kb_line, 0, offset, (last * kbdb->n_of_kbs == kb_n + 1));
326 add_line(win, "(none)", 0, offset, last);
332 extern void draw_win_log(struct Win * win)
338 draw_text_from_bottom(win, world.log);
343 extern void draw_win_map(struct Win * win)
345 try_resize_winmap(win, world.map.length, world.map.length * 2);
348 for (y = 0; y < world.map.length; y++)
350 for (x = 0; x < world.map.length; x++)
352 set_ch_on_yx(win, y, x * 2 + (y % 2), world.map.cells[z]);
360 extern void draw_win_info(struct Win * win)
362 char * f_name = "draw_win_info()";
363 char * dsc_turn = "Turn: ";
364 char * dsc_hitpoints = "\nHitpoints: ";
365 uint16_t maxl = strlen(dsc_turn) + 5 + strlen(dsc_hitpoints) + 3;
366 char * text = try_malloc(maxl + 1, f_name);
367 int test = sprintf(text, "%s%d%s%d", dsc_turn, world.turn, dsc_hitpoints,
368 world.player_lifepoints);
369 exit_trouble(test < 0, f_name, "sprintf()");
370 add_text_with_linebreaks(win, text);
376 extern void draw_win_inventory(struct Win * win)
379 char * text_copy = strdup(world.player_inventory);
380 char * start = text_copy;
382 uint8_t found_selection = 0;
384 while (NULL != (limit = strchr(start, '\n')))
388 if (i == world.player_inventory_select)
392 win->center.y = win->winmap_size.y;
394 add_line(win, start, attri, &offset, 0);
398 win->center.y = !found_selection ? win->winmap_size.y : win->center.y;
399 add_line(win, start, !found_selection * A_REVERSE, &offset, 1);
405 extern void draw_win_available_keybindings(struct Win * win)
407 char * title = "Active window's keys:";
408 struct Win * win_active = get_win_by_id(world.winDB.active);
409 struct KeyBindingDB * kbdb = &win_active->kb;
410 if (1 == win_active->view)
412 kbdb = &world.kb_wingeom;
414 else if (2 == win_active->view)
416 kbdb = &world.kb_winkeys;
419 draw_titled_keybinding_list(title, win, &offset, 0, kbdb);
420 add_line(win, " ", 0, &offset, 0);
421 title = "Global keys:";
422 draw_titled_keybinding_list(title, win, &offset, 1, &world.kb_global);
428 extern void draw_win_keybindings_global(struct Win * win)
430 win->center.y = world.kb_global.select;
431 draw_keybinding_config(win, &world.kb_global, 0);
436 extern void draw_win_keybindings_winconf_geometry(struct Win * win)
438 win->center.y = world.kb_wingeom.select;
439 draw_keybinding_config(win, &world.kb_wingeom, 0);
444 extern void draw_win_keybindings_winconf_keybindings(struct Win * win)
446 win->center.y = world.kb_winkeys.select;
447 draw_keybinding_config(win, &world.kb_winkeys, 0);
452 extern void draw_winconf_keybindings(struct Win * win)
454 char * title = "Window's keys:";
456 add_line(win, title, 0, &offset, 0);
457 add_line(win, " ", 0, &offset, 0);
458 draw_keybinding_config(win, &win->kb, offset);
463 extern void draw_winconf_geometry(struct Win * win)
465 char * f_name = "draw_winconf_geometry()";
466 char * title = "Window's geometry:\n\n";
467 char * h_title = "Height to save: ";
468 char h_value[6 + 1]; /* 6: int16_t value max strlen */
469 int test = sprintf(h_value, "%d", win->target_height);
470 exit_trouble(test < 0, f_name, "sprintf()");
471 char * h_plus = " (width in cells)\n\n";
472 char * h_minus = " (negative diff: cells to screen width)\n\n";
473 char * h_type = (1 == win->target_height_type) ? h_minus : h_plus;
474 char * w_title = "Width to save: ";
476 test = sprintf(w_value, "%d", win->target_width);
477 exit_trouble(test < 0, f_name, "sprintf()");
478 char * w_plus = "(height in cells)\n\n";
479 char * w_minus = " (negative diff: cells to screen height)\n\n";
480 char * w_type = (1 == win->target_width_type) ? w_minus : w_plus;
481 char * breaks_title = "Linebreak type: ";
482 char * breaks_type = (1 == win->linebreak) ? "wide" : "long";
483 breaks_type = (2 == win->linebreak) ? "compact" : breaks_type;
484 uint16_t text_size = strlen(title)
485 + strlen(h_title) + strlen(h_value) + strlen(h_type)
486 + strlen(w_title) + strlen(w_value) + strlen(w_type)
487 + strlen(breaks_title) + strlen(breaks_type);
488 char * text = try_malloc(text_size + 1, f_name);
489 test = sprintf(text, "%s%s%s%s%s%s%s%s%s", title, h_title, h_value, h_type,
490 w_title, w_value, w_type, breaks_title, breaks_type);
491 exit_trouble(test < 0, f_name, "sprintf()");
492 add_text_with_linebreaks(win, text);