/* src/client/windows.c */
+#define _POSIX_C_SOURCE 200809L /* strnlen() */
#include "windows.h"
#include <ncurses.h> /* chtype, getmaxx(), getmaxy(), erase(), werase(),
* endwin(), delwin(), wnoutrefresh(), pnoutrefresh(),
* doupdate(), refresh(), delwin(), newpad(), mvwaddch(),
- * mvwaddstr(), wresize()
+ * mvwaddstr()
*/
#include <stddef.h> /* NULL */
-#include <stdlib.h> /* free(), atoi() */
#include <stdint.h> /* uint8_t, uint16_t, uint32_t, UINT16_MAX */
#include <stdio.h> /* sprintf() */
-#include <string.h> /* memcpy(), strlen(), strnlen(), strchr(), memset() */
-#include "../common/err_try_fgets.h" /* err_try_fgets(), err_line() */
-#include "../common/readwrite.h" /* try_fputc(), try_write(), try_fgetc() */
+#include <stdlib.h> /* free() */
+#include <string.h> /* memcpy(), strlen(), strnlen(), memset() */
#include "../common/rexit.h" /* exit_trouble(), exit_err() */
#include "../common/try_malloc.h" /* try_malloc() */
-#include "../common/yx_uint16.h" /* struct yx_uint16 */
#include "draw_wins.h" /* draw_winconf_geometry(), draw_winconf_keybindings(),
* draw_win_inventory(), draw_win_info(), draw_win_log(),
* draw_win_available_keybindings(), draw_win_map(),
* draw_win_keybindings_winconf_geometry(),
* draw_win_keybindings_global()
*/
-#include "keybindings.h" /* write_keybidings_to_file(),
- * read_keybindings_from_file()
- */
-#include "misc.h" /* array_append() */
-#include "world.h" /* global world */
+#include "wincontrol.h" /* toggle_window() */
+#include "world.h" /* world */
-/* Get position of id "c" in world.winDB.order or return Win before/after (or
- * NULL if there is no window before/after).
- */
-static uint8_t get_pos_in_order(char c);
-static struct Win * get_win_after(char c);
-static struct Win * get_win_before(char c);
-
/* Calculate "id"'s window's size from v_screen size and .target_(height/width).
* A .target_width == 0 makes the window as wide as .t_screen. .target_height ==
* 0 sets the maximum allowed height: one cell smaller than that of .v_screen.
static uint8_t match_func(char c, void (** f) (), char c_m, void (* f_m) ());
static void (* get_drawfunc_by_char(char c)) ();
-/* Write "win"'s size back to .target_(height/width) as per .target_*_type. */
-static void set_win_target_size(struct Win * win);
-
/* Iterate over chars of world.winDB.ids array / string. Restart after \0.*/
static char get_next_win_id();
-/* Make .v_screen just wide enough to contain all visible windows. */
-static void refit_v_screen();
-
-/* Update geometry (sizes, positions) of window "w" and its successors in the
- * window chain. Use place_win() for the positioning algorithm.
- */
-static void update_wins(struct Win * w);
-static void place_win(struct Win * w);
-
/* Draw scroll hint (a line saying that there are "dist" more elements of "unit"
* further into the direction symbolized by "dir") into .v_screen, onto an
* appropriate edge of a window or .v_screen; the left/right edge if "dir" is
/* Draw contents of all windows in window chain from window "w" onwards. */
static void draw_wins(struct Win * w);
-/* Append/suspend window "w" to/from chain of visible windows. Appended windows
- * will become active. Suspended active windows will move the active window
- * selection to their successor in the window chain or, failing that, their
- * predecessor, or, failing that, to 0 (no window active).
- */
-static void append_win(struct Win * w);
-static void suspend_win(struct Win * w);
-
-
-
-static uint8_t get_pos_in_order(char c)
-{
- uint8_t i;
- for (i = 0; c != world.winDB.order[i]; i++);
- return i;
-}
-
-
-
-static struct Win * get_win_after(char c)
-{
- return get_win_by_id(world.winDB.order[get_pos_in_order(c) + 1]);
-}
-
-
-
-static struct Win * get_win_before(char c)
-{
- uint8_t i = get_pos_in_order(c);
- if (i > 0)
- {
- return get_win_by_id(world.winDB.order[i - 1]);
- }
- return NULL;
-}
-
static void init_win_size_from_winconf_and_v_screen_size(char id)
-static void set_win_target_size(struct Win * wcp)
-{
- if (0 == wcp->target_height_type)
- {
- wcp->target_height = wcp->frame_size.y;
- }
- else if (1 == wcp->target_height_type)
- {
- wcp->target_height = wcp->frame_size.y - world.winDB.v_screen_size.y +1;
- }
- if (0 == wcp->target_width_type)
- {
- wcp->target_width = wcp->frame_size.x;
- }
- else if (1 == wcp->target_width_type)
- {
- wcp->target_width = wcp->frame_size.x - world.winDB.v_screen_size.x;
- }
-}
-
-
-
static char get_next_win_id()
{
static uint8_t i = 0;
-static void refit_v_screen()
-{
- /* Determine rightmost window column. */
- uint32_t lastwcol = 0;
- struct Win * wp = get_win_by_id(world.winDB.order[0]);
- while (wp != 0)
- {
- if ((uint32_t) wp->start.x + (uint32_t) wp->frame_size.x > lastwcol + 1)
- {
- lastwcol = (uint32_t) wp->start.x + (uint32_t) wp->frame_size.x - 1;
- }
- wp = get_win_after(wp->id);
- }
-
- /* Only resize .v_screen if the rightmost window column has changed. */
- char * err_s = "refit_v_screen() grows virtual screen beyond legal sizes.";
- char * err_m = "refit_v_screen() triggers memory alloc error in wresize().";
- if ((uint32_t) getmaxx(world.winDB.v_screen) + 1 != lastwcol)
- {
- uint8_t t = (lastwcol + 2 > UINT16_MAX);
- exit_err(t, err_s);
- t = wresize(world.winDB.v_screen, getmaxy(world.winDB.v_screen),
- lastwcol + 2);
- exit_err(t, err_m);
- }
-}
-
-
-
-static void update_wins(struct Win * w)
-{
- place_win(w);
- refit_v_screen();
- struct Win * next = get_win_after(w->id);
- if (next)
- {
- update_wins(next);
- }
-}
-
-
-
-static void place_win(struct Win * w)
-{
- /* If w is first window, it goes into the top left corner. */
- w->start.x = 0;
- w->start.y = 1; /* Leave space for title bar. */
- struct Win * w_prev = get_win_before(w->id);
- if (w_prev)
- {
-
- /* If not, fit w's top left to top right of last top predecessor. */
- struct Win * w_top = w_prev;
- for (;
- w_top->start.y != 1;
- w_top = get_win_before(w_top->id));
- w->start.x = w_top->start.x + w_top->frame_size.x + 1;
-
- /* Fit w's top left to bottom left of its ->prev if enough space. */
- uint16_t w_prev_maxy = w_prev->start.y + w_prev->frame_size.y;
- if ( w->frame_size.x <= w_prev->frame_size.x
- && w->frame_size.y < world.winDB.v_screen_size.y - w_prev_maxy)
- {
- w->start.x = w_prev->start.x;
- w->start.y = w_prev_maxy + 1;
- return;
- }
-
- /* Failing that, try to fit w' top left to the top right of the last
- * predecessor w_test 1) not followed by windows with a left corner
- * further rightwards than its own 2) with enough space rightwards for w
- * until the bottom right of w_thr directly throning over it 3) and with
- * this same space extending far enough to the bottom for fitting in w.
- */
- struct Win * w_test = w_prev;
- struct Win * w_thr;
- while (w_test != w_top)
- {
- for (w_thr = get_win_before(w_test->id);
- w_test->start.y <= w_thr->start.y;
- w_thr = get_win_before(w_thr->id));
- uint16_t w_thr_bottom = w_thr->start.y + w_thr->frame_size.y;
- uint16_t free_width = (w_thr->start.x + w_thr->frame_size.x)
- - (w_test->start.x + w_test->frame_size.x);
- if ( w->frame_size.y < world.winDB.v_screen_size.y - w_thr_bottom
- && w->frame_size.x < free_width)
- {
- w->start.x = w_test->start.x + w_test->frame_size.x + 1;
- w->start.y = w_thr_bottom + 1;
- break;
- }
- w_test = w_thr;
- }
- }
-}
-
-
-
static void scroll_hint(struct yx_uint16 fsize, char dir, uint16_t dist,
char * unit, struct yx_uint16 start)
{
+ char * f_name = "sprintf()";
+
/* Decide on alignment (vertical/horizontal?), thereby hint text space. */
char * more = "more";
uint16_t dsc_space = fsize.x;
{
dsc_space = fsize.y;
} /* vv-- 10 = max strlen for uint16_t */
- char scrolldsc[1 + strlen(more) + 1 + 10 + 1 + strlen(unit) + 1 + 1];
- sprintf(scrolldsc, " %d %s %s ", dist, more, unit);
+ uint16_t size = 1 + strlen(more) + 1 + 10 + 1 + strlen(unit) + 1 + 1;
+ char * scrolldsc = try_malloc(size, f_name);
+ int test = sprintf(scrolldsc, " %d %s %s ", dist, more, unit);
+ exit_trouble(test < 0, f_name, "sprintf()");
/* Decide on offset of the description text inside the scroll hint line. */
uint16_t dsc_offset = 1;
}
mvwaddch(world.winDB.v_screen, start.y + draw_offset, start.x + q, c);
}
+ free(scrolldsc);
}
offset = (w->frame_size.x - (strlen(w->title) + 2)) / 2;
} /* +2 is for padding/decoration */
uint16_t length_visible = strnlen(w->title, w->frame_size.x - 2);
- char title[length_visible + 3];
+ char * title = try_malloc(length_visible + 3, "draw_win_borderlines()");
char decoration = ' ';
if (w->id == world.winDB.active)
{
title[0] = title[length_visible + 1] = decoration;
title[length_visible + 2] = '\0';
mvwaddstr(world.winDB.v_screen, w->start.y-1, w->start.x+offset, title);
+ free(title);
}
}
-static void append_win(struct Win * w)
+extern uint8_t get_win_pos_in_order(char c)
{
- char * f_name = "append_win()";
- uint8_t old_size = strlen(world.winDB.order) + 1;
- char * new_order = try_malloc(old_size + 1, f_name);
- memcpy(new_order, world.winDB.order, old_size - 1);
- new_order[old_size - 1] = w->id;
- new_order[old_size] = '\0';
- free(world.winDB.order);
- world.winDB.order = new_order;
- world.winDB.active = w->id;
- update_wins(w);
+ uint8_t i;
+ for (i = 0; c != world.winDB.order[i]; i++);
+ return i;
}
-static void suspend_win(struct Win * w)
+extern struct Win * get_win_after(char c)
{
- char * f_name = "suspend_win()";
- uint8_t new_size = strlen(world.winDB.order);
- char * new_order = try_malloc(new_size, f_name);
- uint8_t i = get_pos_in_order(w->id);
- char next_char = world.winDB.order[i + 1];
- world.winDB.order[i] = '\0';
- char * second_part = &world.winDB.order[i + 1];
- sprintf(new_order, "%s%s", world.winDB.order, second_part);
- free(world.winDB.order);
- world.winDB.order = new_order;
- world.winDB.active = world.winDB.order[i];
- if (!world.winDB.order[i] && 0 < i)
- {
- world.winDB.active = world.winDB.order[i - 1];
- }
- if (world.winDB.order[i])
- {
- update_wins(get_win_by_id(next_char)); /* Already calls */
- return; /* refit_v_screen(), so leave. */
- }
- refit_v_screen();
+ return get_win_by_id(world.winDB.order[get_win_pos_in_order(c) + 1]);
}
-extern uint8_t read_winconf_from_file(char * line, uint32_t linemax,
- FILE * file)
-{
- char * f_name = "read_winconf_from_file()";
- char * context = "Failed reading individual window's configuration from "
- "interface config file. ";
- char * err_id = "Illegal ID(s) selected.";
- char * err_2 = "Double-initialized window.";
- char * err_brk = "Illegal line break type index.";
- int test_for_end = try_fgetc(file, f_name);
- if (EOF == test_for_end || '\n' == test_for_end)
- {
- return 0;
- }
- exit_trouble(EOF == ungetc(test_for_end, file), f_name, "ungetc()");
- err_try_fgets(line, linemax, file, context, "ns");
- err_line(NULL == strchr(world.winDB.legal_ids, line[0]), line, context,
- err_id);
- exit_err(world.winDB.ids && NULL!=strchr(world.winDB.ids, line[0]), err_2);
- struct Win win;
- memset(&win, 0, sizeof(struct Win));
- win.id = (char) line[0];
- err_try_fgets(line, linemax, file, context, "0n");
- win.title = try_malloc(strlen(line), f_name);
- memcpy(win.title, line, strlen(line) - 1); /* Eliminate newline char */
- win.title[strlen(line) - 1] = '\0'; /* char at end of string. */
- err_try_fgets(line, linemax, file, context, "0nsi");
- err_line(atoi(line) > 2, line, context, err_brk);
- win.linebreak = atoi(line);
- err_try_fgets(line, linemax, file, context, "0ni");
- win.target_height = atoi(line);
- win.target_height_type = (0 >= win.target_height);
- err_try_fgets(line, linemax, file, context, "0ni");
- win.target_width = atoi(line);
- win.target_width_type = (0 >= win.target_width);
- read_keybindings_from_file(line, linemax, file, &win.kb);
- if (world.winDB.ids)
- {
- uint8_t old_ids_size = strlen(world.winDB.ids);
- char * new_ids = try_malloc(old_ids_size + 1 + 1, f_name);
- sprintf(new_ids, "%s%c", world.winDB.ids, win.id);
- free(world.winDB.ids);
- world.winDB.ids = new_ids;
- array_append(old_ids_size, sizeof(struct Win), (void *) &win,
- (void **) &world.winDB.wins);
- return 1;
- }
- world.winDB.ids = try_malloc(2, f_name);
- sprintf(world.winDB.ids, "%c", win.id);
- world.winDB.wins = try_malloc(sizeof(struct Win), f_name);
- world.winDB.wins[0] = win;
- return 1;
-}
-
-
-
-extern void write_winconf_of_id_to_file(FILE * file, char c)
-{
- char * f_name = "write_winconf_of_id_to_file()";
- struct Win * wc = get_win_by_id(c);
- uint8_t size = strlen(wc->title) + 2;
- if (size < 7) /* Ensure that at least 5 + 2 char fit into line so that */
- { /* the digit representation of any uint16_t may be stored. */
- size = 7;
- }
- char line[size];
- sprintf(line, "%c\n", wc->id);
- try_fwrite(line, sizeof(char), strlen(line), file, f_name);
- sprintf(line, "%s\n", wc->title);
- try_fwrite(line, sizeof(char), strlen(line), file, f_name);
- sprintf(line, "%d\n", wc->linebreak);
- try_fwrite(line, sizeof(char), strlen(line), file, f_name);
- sprintf(line, "%d\n", wc->target_height);
- try_fwrite(line, sizeof(char), strlen(line), file, f_name);
- sprintf(line, "%d\n", wc->target_width);
- try_fwrite(line, sizeof(char), strlen(line), file, f_name);
- write_keybindings_to_file(file, &wc->kb);
-}
-
-
-
-extern void read_order_wins_visible_active(char * line, uint32_t linemax,
- FILE * file, char ** tmp_order,
- char * tmp_active)
-{
- char * f_name = "read_order_wins_visible_active()";
- char * context = "Failed reading order and activation of visible windows "
- "from interface config file. ";
- char * err_id = "Illegal ID(s) selected.";
- err_try_fgets(line, linemax, file, context, "01");
- uint32_t i = 0;
- for (; i < strlen(line) - 1; i++)
- {
- char * test = strchr(world.winDB.legal_ids, line[i]);
- err_line(!test, line, context, err_id);
- }
- line[strlen(line) - 1] = '\0';
- *tmp_order = try_malloc(strlen(line) + 1, f_name);
- sprintf(*tmp_order, "%s", line);
- if (*tmp_order[0])
- {
- err_try_fgets(line, linemax, file, context, "0nfs");
- err_line(NULL == strchr(*tmp_order, line[0]), line, context, err_id);
- *tmp_active = line[0];
- }
- else
- {
- err_try_fgets(line, linemax, file, context, "0ne");
- *tmp_active = '\0';
- }
- err_try_fgets(line, linemax, file, context, "d");
-}
-
-
-
-extern void write_order_wins_visible_active(FILE * file)
-{
- char * f_name = "write_order_wins_visible_active()";
- try_fwrite(world.winDB.order, strlen(world.winDB.order), 1, file, f_name);
- try_fputc('\n', file, f_name);
- try_fputc(world.winDB.active, file, f_name);
- try_fputc('\n', file, f_name);
- try_fwrite(world.delim, strlen(world.delim), 1, file, f_name);
-}
-
-
-
extern void make_v_screen_and_init_win_sizes()
{
char * f_name = "make_v_screen_and_init_win_sizes()";
struct Win * wc = get_win_by_id(id);
free(wc->title);
free(wc->kb.kbs);
- wc->kb.kbs = NULL;
}
- free(world.winDB.ids); /* NULL this too since add_win_to_winDB() checks */
- world.winDB.ids = NULL; /* for it to detect its first post-DB-purge round.*/
+ free(world.winDB.ids);
free(world.winDB.wins);
free(world.winDB.order);
}
extern void reset_windows_on_winch()
{
+ char * f_name = "reset_windows_on_winch()";
endwin(); /* "[S]tandard way" to recalibrate ncurses post SIGWINCH, says */
refresh(); /* <http://invisible-island.net/ncurses/ncurses-intro.html>. */
- char tmp_order[strlen(world.winDB.order) + 1];
- sprintf(tmp_order, "%s", world.winDB.order);
+ char * tmp_order = try_malloc(strlen(world.winDB.order) + 1, f_name);
+ int test = sprintf(tmp_order, "%s", world.winDB.order);
+ exit_trouble(test < 0, f_name, "sprintf()");
uint8_t i;
char tmp_active = world.winDB.active;
for (i = 0; i < strlen(tmp_order); toggle_window(tmp_order[i]), i++);
delwin(world.winDB.v_screen);
make_v_screen_and_init_win_sizes();
for (i = 0; i < strlen(tmp_order); toggle_window(tmp_order[i]), i++);
+ free(tmp_order);
world.winDB.active = tmp_active;
}
/* Only at the end write accumulated changes to .t_screen. */
doupdate();
}
-
-
-
-extern void toggle_window(char id)
-{
- struct Win * win = get_win_by_id(id);
- if (NULL == strchr(world.winDB.order, id))
- {
- append_win(win);
- return;
- }
- suspend_win(win);
-}
-
-
-
-extern void toggle_winconfig()
-{
- if (!world.winDB.active)
- {
- return;
- }
- struct Win * w = get_win_by_id(world.winDB.active);
- if (0 == w->view)
- {
- w->view = 1;
- w->target_center = w->center;
- memset(&w->center, 0, sizeof(struct yx_uint16));
- return;
- }
- else if (1 == w->view)
- {
- w->view = 2;
- w->center.x = 0;
- return;
- }
- w->view = 0;
- w->center = w->target_center;
-}
-
-
-
-extern void toggle_win_size_type(char axis)
-{
- struct Win * w = get_win_by_id(world.winDB.active);
- if ('y' == axis)
- {
- w->target_height_type = (0 == w->target_height_type);
- set_win_target_size(w);
- return;
- }
- w->target_width_type = ( 0 == w->target_width_type
- && w->frame_size.x <= world.winDB.v_screen_size.x);
- set_win_target_size(w);
-}
-
-
-
-extern void toggle_linebreak_type()
-{
- struct Win * w = get_win_by_id(world.winDB.active);
- if (0 == w->linebreak)
- {
- w->linebreak = 1;
- }
- else if (1 == w->linebreak)
- {
- w->linebreak = 2;
- }
- else if (2 == w->linebreak)
- {
- w->linebreak = 0;
- }
-}
-
-
-
-extern void resize_active_win(char change)
-{
- if (world.winDB.active)
- {
- struct Win * w = get_win_by_id(world.winDB.active);
- if (change == '-' && w->frame_size.y > 1)
- {
- w->frame_size.y--;
- }
- else if (change == '_' && w->frame_size.y > 1)
- {
- w->frame_size.x--;
- }
- else if ( change == '+'
- && w->frame_size.y < world.winDB.v_screen_size.y - 1)
- {
- w->frame_size.y++;
- }
- else if (change == '*' && w->frame_size.y < UINT16_MAX)
- {
- w->frame_size.x++;
- }
- if ( 1 == w->target_width_type
- && w->frame_size.x > world.winDB.v_screen_size.x)
- {
- w->target_width_type = 0;
- }
- set_win_target_size(w);
- update_wins(w);
- }
-}
-
-
-
-extern void shift_active_win(char dir)
-{
- uint8_t len_order = strlen(world.winDB.order);
- if (1 < len_order)
- {
- char tmp[len_order + 1];
- tmp[len_order] = '\0';
- uint8_t pos = get_pos_in_order(world.winDB.active);
- if ('f' == dir)
- {
- if (pos == len_order - 1)
- {
- memcpy(tmp + 1, world.winDB.order, len_order - 1);
- tmp[0] = world.winDB.active;
- memcpy(world.winDB.order, tmp, len_order + 1);
- }
- else
- {
- world.winDB.order[pos] = world.winDB.order[pos + 1];
- world.winDB.order[pos + 1] = world.winDB.active;
- }
- }
- else
- {
- if (pos == 0)
- {
- memcpy(tmp, world.winDB.order + 1, len_order - 1);
- tmp[len_order - 1] = world.winDB.active;
- memcpy(world.winDB.order, tmp, len_order + 1);
- }
- else
- {
- world.winDB.order[pos] = world.winDB.order[pos - 1];
- world.winDB.order[pos - 1] = world.winDB.active;
- }
- }
- update_wins(get_win_by_id(world.winDB.order[0]));
- }
-}
-
-
-
-extern void scroll_v_screen(char dir)
-{
- if ( '+' == dir
- && world.winDB.v_screen_offset + world.winDB.v_screen_size.x + 1
- < getmaxx(world.winDB.v_screen))
- {
- world.winDB.v_screen_offset++;
- }
- else if ( '-' == dir
- && world.winDB.v_screen_offset > 0)
- {
- world.winDB.v_screen_offset--;
- }
-}
-
-
-
-extern void cycle_active_win(char dir)
-{
- uint8_t len_order = strlen(world.winDB.order);
- if (1 < len_order)
- {
- uint8_t pos = get_pos_in_order(world.winDB.active);
- if ('f' == dir)
- {
- world.winDB.active = world.winDB.order[pos + 1];
- if ('\0' == world.winDB.active)
- {
- world.winDB.active = world.winDB.order[0];
- }
- return;
- }
- if (pos > 0)
- {
- world.winDB.active = world.winDB.order[pos - 1];
- return;
- }
- world.winDB.active = world.winDB.order[len_order - 1];
- }
-}
projects / plomrogue / blobdiff