From: Christian Heller <c.heller@plomlompom.de>
Date: Thu, 23 Jan 2014 21:50:54 +0000 (+0100)
Subject: Merged world.wmeta and world.winconf_db into world.wins.
X-Git-Tag: tce~868
X-Git-Url: https://plomlompom.com/repos/do_todos?a=commitdiff_plain;h=fb9b40f0535b28b37b64983240c4b78e74ee9a2c;p=plomrogue

Merged world.wmeta and world.winconf_db into world.wins.
---

diff --git a/src/client/command_db.h b/src/client/command_db.h
index 9f82062..a3fbd6c 100644
--- a/src/client/command_db.h
+++ b/src/client/command_db.h
@@ -16,7 +16,7 @@ struct Command
 {
     char * dsc_short; /* short name of command to be used internally */
     char * dsc_long; /* long description of command to be shown to the user */
-    char * server_msg; /* optionally start string of message to send to server */
+    char * server_msg; /* optionally start string of message to send to server*/
     char arg; /* defines server message suffix by player_control() convention */
 };
 
diff --git a/src/client/control.c b/src/client/control.c
index a58c35c..6059096 100644
--- a/src/client/control.c
+++ b/src/client/control.c
@@ -151,9 +151,9 @@ static uint8_t try_server_commands(struct Command * command)
 extern uint8_t try_key(uint16_t key)
 {
     struct Command * command = get_command_to_keycode(world.kb_global.kbs, key);
-    if (!command && world.wmeta.active)
+    if (!command && world.wins.win_active)
     {
-        struct WinConf * wc = get_winconf_by_win(world.wmeta.active);
+        struct WinConf * wc = get_winconf_by_win(world.wins.win_active);
         if      (0 == wc->view)
         {
             command = get_command_to_keycode(wc->kb.kbs, key);
diff --git a/src/client/draw_wins.c b/src/client/draw_wins.c
index 1df666b..8e792ca 100644
--- a/src/client/draw_wins.c
+++ b/src/client/draw_wins.c
@@ -385,7 +385,7 @@ extern void draw_win_available_keybindings(struct Win * win)
 {
     char * title = "Active window's keybindings:";
     struct KeyBinding * kb_p;
-    struct WinConf * wc = get_winconf_by_win(world.wmeta.active);
+    struct WinConf * wc = get_winconf_by_win(world.wins.win_active);
     if     (0 == wc->view)
     {
         kb_p = wc->kb.kbs;
diff --git a/src/client/keybindings.c b/src/client/keybindings.c
index e57e361..7207641 100644
--- a/src/client/keybindings.c
+++ b/src/client/keybindings.c
@@ -82,7 +82,7 @@ static struct KeyBindingDB * char_selected_kb_db(char c)
     }
     else if ('w' == c)
     {
-        struct WinConf * wc = get_winconf_by_win(world.wmeta.active);
+        struct WinConf * wc = get_winconf_by_win(world.wins.win_active);
         kbd = &wc->kb;
     }
     return kbd;
diff --git a/src/client/main.c b/src/client/main.c
index 473228c..61c53b8 100644
--- a/src/client/main.c
+++ b/src/client/main.c
@@ -1,14 +1,14 @@
 /* main.c */
 
+#include <ncurses.h> /* keypad() */
 #include <signal.h> /* struct sigaction, sigaction() */
 #include <stdlib.h> /* exit() */
 #include <string.h> /* memset() */
 #include "../common/rexit.h" /* set_cleanup_func(), exit_trouble() */
-#include "cleanup.h" /* cleanup() */
+#include "cleanup.h" /* cleanup(), set_cleanup_flag() */
 #include "command_db.h" /* init_command_db() */
 #include "io.h" /* io_loop(), try_send() */
 #include "misc.h" /* load_interface_conf(), winch_called() */
-#include "windows.h" /* init_wmeta_and_ncurses(); */
 #include "world.h" /* struct World */
 
 
@@ -32,8 +32,11 @@ int main(int argc, char * argv[])
     set_cleanup_func(cleanup);
 
     /* Initialize the whole interface. */
-    init_wmeta_and_ncurses();
-    keypad(world.wmeta.screen, TRUE);
+    world.wins.screen = initscr();
+    set_cleanup_flag(CLEANUP_NCURSES);
+    noecho();
+    curs_set(0);
+    keypad(world.wins.screen, TRUE);
     init_command_db();      /* The command DB needs to be initialized before  */
     load_interface_conf();  /* the interface, whose keybindings depend on it. */
 
diff --git a/src/client/misc.c b/src/client/misc.c
index ff1600c..a37155b 100644
--- a/src/client/misc.c
+++ b/src/client/misc.c
@@ -58,9 +58,9 @@ extern void save_interface_conf()
     write_keybindings_to_file(file, &world.kb_winkeys, delim);
     write_order_wins_visible_active(file, delim);
     uint8_t i;
-    for (i = 0; i < strlen(world.winconf_db.ids); i++)
+    for (i = 0; i < strlen(world.wins.ids); i++)
     {
-        write_winconf_of_id_to_file(file, world.winconf_db.ids[i], delim);
+        write_winconf_of_id_to_file(file, world.wins.ids[i], delim);
     }
     try_fclose_unlink_rename(file, path_tmp, path, f_name);
 }
@@ -101,12 +101,12 @@ extern void unload_interface_conf()
     world.kb_wingeom.kbs = NULL;
     free_keybindings(world.kb_winkeys.kbs);
     world.kb_winkeys.kbs = NULL;
-    while (0 != world.wmeta.active)
+    while (0 != world.wins.win_active)
     {
-        suspend_win(world.wmeta.active);
+        suspend_win(world.wins.win_active);
     }
     free_winconfs();
-    delwin(world.wmeta.pad);
+    delwin(world.wins.pad);
 }
 
 
@@ -122,23 +122,23 @@ extern void reset_windows()
 {
     endwin();  /* "[S]tandard way" to recalibrate ncurses post SIGWINCH, says */
     refresh(); /* <http://invisible-island.net/ncurses/ncurses-intro.html>.   */
-    struct Win * w_p = world.wmeta.chain_start;
-    char win_ids[strlen(world.winconf_db.ids) + 1];
-    memset(win_ids, '\0', strlen(world.winconf_db.ids) + 1);
+    struct Win * w_p = world.wins.chain_start;
+    char win_ids[strlen(world.wins.ids) + 1];
+    memset(win_ids, '\0', strlen(world.wins.ids) + 1);
     uint8_t i = 0;
     char active = '\0';
     for (; NULL != w_p; w_p = w_p->next, i++)
     {
         struct WinConf * wc_p = get_winconf_by_win(w_p);
         win_ids[i] = wc_p->id;
-        if (w_p == world.wmeta.active)
+        if (w_p == world.wins.win_active)
         {
             active = wc_p->id;
         }
     }
-    while (0 != world.wmeta.active)
+    while (0 != world.wins.win_active)
     {
-        w_p = world.wmeta.active;
+        w_p = world.wins.win_active;
         suspend_win(w_p);
     }
     char id;
@@ -146,7 +146,7 @@ extern void reset_windows()
     {
         free_win(get_win_by_id(id));
     }
-    delwin(world.wmeta.pad);
+    delwin(world.wins.pad);
     make_pad();
     init_wins();
     if (strlen(win_ids) < 1)
@@ -158,7 +158,7 @@ extern void reset_windows()
         toggle_window(win_ids[i]);
         if (active == win_ids[i])
         {
-            world.wmeta.active = get_win_by_id(win_ids[i]);
+            world.wins.win_active = get_win_by_id(win_ids[i]);
         }
     }
 }
diff --git a/src/client/misc.h b/src/client/misc.h
index e849703..01e2488 100644
--- a/src/client/misc.h
+++ b/src/client/misc.h
@@ -15,8 +15,8 @@
 extern void obey_argv(int argc, char * argv[]);
 
 /* Save / load (init) / unload (free/dissolve) / reload interface configuration
- * data, world.wmeta.pad (initialized before opening any windows to the height
- * of the terminal screen and a width of 1) and window chains.
+ * data, world.wins.pad (initialized before opening any windows to the height of
+ * the terminal screen and a width of 1) and window chains.
  *
  * Note that reload_interface_conf() also calls map_center().
  */
diff --git a/src/client/wincontrol.c b/src/client/wincontrol.c
index fcf3e86..5b82053 100644
--- a/src/client/wincontrol.c
+++ b/src/client/wincontrol.c
@@ -66,7 +66,7 @@ static void set_winconf_geometry(char id)
     }
     else if (1 == wcp->height_type)
     {
-        wcp->height = wcp->win->framesize.y - world.wmeta.padsize.y + 1;
+        wcp->height = wcp->win->framesize.y - world.wins.padsize.y + 1;
     }
     if      (0 == wcp->width_type)
     {
@@ -74,7 +74,7 @@ static void set_winconf_geometry(char id)
     }
     else if (1 == wcp->width_type)
     {
-        wcp->width = wcp->win->framesize.x - world.wmeta.padsize.x;
+        wcp->width = wcp->win->framesize.x - world.wins.padsize.x;
     }
 }
 
@@ -136,9 +136,9 @@ static struct WinConf * get_winconf_by_id(char id)
     uint8_t i = 0;
     while (1)
     {
-        if (id == world.winconf_db.winconfs[i].id)
+        if (id == world.wins.winconfs[i].id)
         {
-            return &world.winconf_db.winconfs[i];
+            return &world.wins.winconfs[i];
         }
         i++;
     }
@@ -151,9 +151,9 @@ extern struct WinConf * get_winconf_by_win(struct Win * win)
     uint8_t i = 0;
     while (1)
     {
-        if (win == world.winconf_db.winconfs[i].win)
+        if (win == world.wins.winconfs[i].win)
         {
-            return &world.winconf_db.winconfs[i];
+            return &world.wins.winconfs[i];
         }
         i++;
     }
@@ -169,7 +169,8 @@ extern struct Win * get_win_by_id(char id)
 
 
 
-extern uint8_t read_winconf_from_file(char * line, uint32_t linemax, FILE * file)
+extern uint8_t read_winconf_from_file(char * line, uint32_t linemax,
+                                      FILE * file)
 {
     char * f_name = "read_winconf_from_file()";
     int test = try_fgetc(file, f_name);
@@ -195,27 +196,27 @@ extern uint8_t read_winconf_from_file(char * line, uint32_t linemax, FILE * file
     winconf.view = 0;
     winconf.center.y = 0;
     winconf.center.x = 0;
-    if (world.winconf_db.ids)
+    if (world.wins.ids)
     {
-        uint8_t old_ids_size = strlen(world.winconf_db.ids);
+        uint8_t old_ids_size = strlen(world.wins.ids);
         char * new_ids = try_malloc(old_ids_size + 1 + 1, f_name);
-        sprintf(new_ids, "%s%c", world.winconf_db.ids, winconf.id);
-        free(world.winconf_db.ids);
-        world.winconf_db.ids = new_ids;
+        sprintf(new_ids, "%s%c", world.wins.ids, winconf.id);
+        free(world.wins.ids);
+        world.wins.ids = new_ids;
         uint16_t old_winconfs_size = old_ids_size * sizeof(struct WinConf);
         uint16_t new_winconfs_size = old_winconfs_size + sizeof(struct WinConf);
         struct WinConf * new_winconfs = try_malloc(new_winconfs_size, f_name);
-        memcpy(new_winconfs, world.winconf_db.winconfs, old_winconfs_size);
+        memcpy(new_winconfs, world.wins.winconfs, old_winconfs_size);
         new_winconfs[old_ids_size] = winconf;
-        free(world.winconf_db.winconfs);
-        world.winconf_db.winconfs = new_winconfs;
+        free(world.wins.winconfs);
+        world.wins.winconfs = new_winconfs;
     }
     else
     {
-        world.winconf_db.ids = try_malloc(2, f_name);
-        sprintf(world.winconf_db.ids, "%c", winconf.id);
-        world.winconf_db.winconfs = try_malloc(sizeof(struct WinConf), f_name);
-        *world.winconf_db.winconfs = winconf;
+        world.wins.ids = try_malloc(2, f_name);
+        sprintf(world.wins.ids, "%c", winconf.id);
+        world.wins.winconfs = try_malloc(sizeof(struct WinConf), f_name);
+        *world.wins.winconfs = winconf;
     }
     return 1;
 }
@@ -245,18 +246,19 @@ extern void write_winconf_of_id_to_file(FILE * file, char c, char * delim)
 
 
 
-extern void read_order_wins_visible_active(char * line, uint32_t linemax, FILE * file)
+extern void read_order_wins_visible_active(char * line, uint32_t linemax,
+                                           FILE * file)
 {
     char * f_name = "read_order_wins_visible_active()";
     char win_order[linemax + 1];
     try_fgets(win_order, linemax + 1, file, f_name);
-    world.winconf_db.order = try_malloc(linemax, f_name);
+    world.wins.order = try_malloc(linemax, f_name);
     win_order[strlen(win_order) - 1] = '\0';
-    sprintf(world.winconf_db.order, "%s", win_order);
+    sprintf(world.wins.order, "%s", win_order);
     int char_or_eof = try_fgetc(file, f_name);
     char * err_eof = "fgetc() unexpectedly hitting EOF";
     exit_trouble(EOF == char_or_eof, f_name, err_eof);
-    world.winconf_db.active = (uint8_t) char_or_eof;
+    world.wins.id_active = (uint8_t) char_or_eof;
     exit_trouble(EOF == try_fgetc(file, f_name), f_name, err_eof);
     try_fgets(line, linemax + 1, file, f_name);
 }
@@ -266,15 +268,15 @@ extern void read_order_wins_visible_active(char * line, uint32_t linemax, FILE *
 extern void write_order_wins_visible_active(FILE * file, char * delim)
 {
     char * f_name = "write_order_wins_visible_active()";
-    char line[strlen(world.winconf_db.ids) + 2];
-    struct Win * w_p = world.wmeta.chain_start;
+    char line[strlen(world.wins.ids) + 2];
+    struct Win * w_p = world.wins.chain_start;
     char active = ' ';
     uint8_t i;
     for (; NULL != w_p; w_p = w_p->next, i++)
     {
         struct WinConf * wc_p = get_winconf_by_win(w_p);
         line[i] = wc_p->id;
-        if (w_p == world.wmeta.active)
+        if (w_p == world.wins.win_active)
         {
             active = wc_p->id;
         }
@@ -296,12 +298,12 @@ extern void free_winconfs()
     {
         free_winconf_data(id);
     }
-    free(world.winconf_db.ids);
-    world.winconf_db.ids = NULL;
-    free(world.winconf_db.winconfs);
-    world.winconf_db.winconfs = NULL;
-    free(world.winconf_db.order);
-    world.winconf_db.order = NULL;
+    free(world.wins.ids);
+    world.wins.ids = NULL;
+    free(world.wins.winconfs);
+    world.wins.winconfs = NULL;
+    free(world.wins.order);
+    world.wins.order = NULL;
 }
 
 
@@ -320,16 +322,16 @@ extern void init_wins()
 extern void sorted_win_toggle_and_activate()
 {
     uint8_t i = 0;
-    for (; i < strlen(world.winconf_db.order); i++)
+    for (; i < strlen(world.wins.order); i++)
     {
-        if (NULL == strchr(world.winconf_db.ids, world.winconf_db.order[i]))
+        if (NULL == strchr(world.wins.ids, world.wins.order[i]))
         {
             continue;
         }
-        toggle_window(world.winconf_db.order[i]);
-        if (world.winconf_db.active == (uint8_t) world.winconf_db.order[i])
+        toggle_window(world.wins.order[i]);
+        if (world.wins.id_active == (uint8_t) world.wins.order[i])
         {
-            world.wmeta.active = get_win_by_id(world.winconf_db.order[i]);
+            world.wins.win_active = get_win_by_id(world.wins.order[i]);
         }
     }
 }
@@ -338,7 +340,7 @@ extern void sorted_win_toggle_and_activate()
 extern char get_next_winconf_id()
 {
     static uint8_t i = 0;
-    char c = world.winconf_db.ids[i];
+    char c = world.wins.ids[i];
     if (0 == c)
     {
         i = 0;
@@ -353,7 +355,7 @@ extern char get_next_winconf_id()
 extern void toggle_window(char id)
 {
     struct Win * win = get_win_by_id(id);
-    if (0 == win->prev && world.wmeta.chain_start != win)   /* Win struct is  */
+    if (0 == win->prev && world.wins.chain_start != win)    /* Win struct is  */
     {                                                       /* outside chain? */
         append_win(win);
     }
@@ -367,7 +369,7 @@ extern void toggle_window(char id)
 
 extern void toggle_winconfig()
 {
-   struct Win * win = world.wmeta.active;
+   struct Win * win = world.wins.win_active;
    struct WinConf * wcp = get_winconf_by_win(win);
     if      (0 == wcp->view)
     {
@@ -395,7 +397,7 @@ extern void toggle_winconfig()
 
 extern void toggle_win_size_type(char axis)
 {
-    struct Win * win = world.wmeta.active;
+    struct Win * win = world.wins.win_active;
     struct WinConf * wcp = get_winconf_by_win(win);
     if ('y' == axis)
     {
@@ -404,7 +406,7 @@ extern void toggle_win_size_type(char axis)
         return;
     }
     wcp->width_type = (   0 == wcp->width_type
-                       && win->framesize.x <= world.wmeta.padsize.x);
+                       && win->framesize.x <= world.wins.padsize.x);
     set_winconf_geometry(wcp->id);
 }
 
@@ -414,11 +416,11 @@ extern void scroll_pad(char dir)
 {
     if      ('+' == dir)
     {
-        reset_pad_offset(world.wmeta.pad_offset + 1);
+        reset_pad_offset(world.wins.pad_offset + 1);
     }
     else if ('-' == dir)
     {
-        reset_pad_offset(world.wmeta.pad_offset - 1);
+        reset_pad_offset(world.wins.pad_offset - 1);
     }
 }
 
@@ -426,9 +428,9 @@ extern void scroll_pad(char dir)
 
 extern void growshrink_active_window(char change)
 {
-    if (0 != world.wmeta.active)
+    if (0 != world.wins.win_active)
     {
-        struct yx_uint16 size = world.wmeta.active->framesize;
+        struct yx_uint16 size = world.wins.win_active->framesize;
         if      (change == '-')
         {
             size.y--;
@@ -446,9 +448,9 @@ extern void growshrink_active_window(char change)
             size.x++;
         }
         resize_active_win(size);
-        struct WinConf * wcp = get_winconf_by_win(world.wmeta.active);
+        struct WinConf * wcp = get_winconf_by_win(world.wins.win_active);
         if (   1 == wcp->width_type
-            && world.wmeta.active->framesize.x > world.wmeta.padsize.x)
+            && world.wins.win_active->framesize.x > world.wins.padsize.x)
         {
             wcp->width_type = 0;
         }
diff --git a/src/client/wincontrol.h b/src/client/wincontrol.h
index 2ecb4be..9e7de86 100644
--- a/src/client/wincontrol.h
+++ b/src/client/wincontrol.h
@@ -12,14 +12,22 @@
 #include "../common/yx_uint16.h" /* yx_uint16 struct */
 struct Win;
 
+#include <ncurses.h>
 
 
 struct WinConfDB
 {
+    WINDOW * screen;           /* ncurses' pointer to the terminal screen */
+    WINDOW * pad;              /* ncurses pad of virtual screen */
     struct WinConf * winconfs;
-    char * ids;
-    char * order; /* order of visible windows (identified by IDs) */
-    char active; /* id of window selected as active */
+    struct Win * chain_start; /* first Win in chain; its .prev == 0 */
+    struct Win * chain_end;   /* last Win in chain; its .next == 0 */
+    struct Win * win_active;  /* Win highlighted / selected for manipulation */
+    struct yx_uint16 padsize; /* virtual screen size */
+    char * ids;               /* all windows' ids */
+    char * order;             /* order of visible windows (identified by IDs) */
+    uint16_t pad_offset;      /* number of cells view is moved to the right */
+    char id_active;           /* id of window selected as active */
 };
 
 /* Window's configuration (like geometry, keybindings) and the Win itself. */
@@ -50,19 +58,21 @@ extern void free_winconfs();
 extern void init_wins();
 
 /* Toggle windows in order set by world.win_order. Point active window selection
- * to window identified by world.winconf_db.active.
+ * to window identified by world.wins.win_active.
  */
 extern void sorted_win_toggle_and_activate();
 
-/* Read/write world.win_order and world.winconf_db.active from/to "file". */
-extern void read_order_wins_visible_active(char * line, uint32_t linemax, FILE * file);
+/* Read/write world.win_order and world.wins.win_active from/to "file". */
+extern void read_order_wins_visible_active(char * line, uint32_t linemax,
+                                           FILE * file);
 extern void write_order_wins_visible_active(FILE * file, char * delim);
 
-/* Iterate over chars of world.winconf_db.winconf_ids array. Restart after \0.*/
+/* Iterate over chars of world.wins.winconf_ids array. Restart after \0.*/
 extern char get_next_winconf_id();
 
 /* Read/write individual WinConf (identified by "c") from/to file. */
-extern uint8_t read_winconf_from_file(char * line, uint32_t linemax, FILE * file);
+extern uint8_t read_winconf_from_file(char * line, uint32_t linemax,
+                                      FILE * file);
 extern void write_winconf_of_id_to_file(FILE * file, char c, char * delim);
 
 /* Toggle "window configuration" view for active window. Sets sensible
@@ -73,7 +83,7 @@ extern void toggle_winconfig();
 
 /* Toggle WinConf.(height/width)_type ("axis" = "y": height; else: width). Avoid
  * positive diff to screen width (value would be wrongly read as a non-diff),
- * width_type toggles to 1 only if world.wmeta->screen's width >= WinConf.width.
+ * width_type toggles to 1 only if world.wins.screen's width >= WinConf.width.
  */
 extern void toggle_win_size_type(char axis);
 
diff --git a/src/client/windows.c b/src/client/windows.c
index 1459ec2..c69ee7d 100644
--- a/src/client/windows.c
+++ b/src/client/windows.c
@@ -7,14 +7,12 @@
 #include <stdlib.h> /* free() */
 #include <string.h> /* strlen(), memcpy(), strnlen() */
 #include <ncurses.h> /* chtype, pnoutrefresh(), doupdate(), werase(), erase(),
-                      * wnoutrefresh(), getmaxx(), getmaxy(), initscr(),
-                      * noecho(), curs_set(), newpad(), mvwaddch(), mvwaddstr(),
-                      * wresize()
+                      * wnoutrefresh(), getmaxx(), getmaxy(), mvwaddstr(),
+                      * mvwaddch(), mvwaddstr(), wresize()
                       */
 #include "../common/rexit.h" /* for exit_err() */
 #include "../common/try_malloc.h" /* for try_malloc() */
 #include "../common/yx_uint16.h" /* for struct yx_uint16 */
-#include "cleanup.h" /* for set_cleanup_flag() */
 #include "misc.h" /* for center_offset() */
 #include "world.h" /* for world global */
 
@@ -65,7 +63,7 @@ static void refit_pad()
 {
     /* Determine rightmost window column. */
     uint32_t lastwcol = 0;
-    struct Win * wp = world.wmeta.chain_start;
+    struct Win * wp = world.wins.chain_start;
     while (wp != 0)
     {
         if ((uint32_t) wp->start.x + (uint32_t) wp->framesize.x > lastwcol + 1)
@@ -78,11 +76,11 @@ static void refit_pad()
     /* Only resize the pad if the rightmost window column has changed. */
     char * err_s = "refit_pad() extends virtual screen beyond legal sizes.";
     char * err_m = "refit_pad() triggers memory alloc error via wresize().";
-    if (getmaxx(world.wmeta.pad) + 1 != lastwcol)
+    if (getmaxx(world.wins.pad) + 1 != lastwcol)
     {
         uint8_t t = (lastwcol + 2 > UINT16_MAX);
         exit_err(t, err_s);
-        t = wresize(world.wmeta.pad, getmaxy(world.wmeta.pad), lastwcol + 2);
+        t = wresize(world.wins.pad, getmaxy(world.wins.pad), lastwcol + 2);
         exit_err(t, err_m);
     }
 }
@@ -120,7 +118,7 @@ static void place_win(struct Win * w)
         /* 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->framesize.y;
         if (   w->framesize.x <= w->prev->framesize.x
-            && w->framesize.y <  world.wmeta.padsize.y - w_prev_maxy)
+            && w->framesize.y <  world.wins.padsize.y - w_prev_maxy)
         {
             w->start.x = w->prev->start.x;
             w->start.y = w_prev_maxy + 1;
@@ -143,7 +141,7 @@ static void place_win(struct Win * w)
                 uint16_t w_thr_bottom = w_thr->start.y + w_thr->framesize.y;
                 uint16_t free_width = (w_thr->start.x + w_thr->framesize.x)
                                       - (w_test->start.x + w_test->framesize.x);
-                if (   w->framesize.y < world.wmeta.padsize.y - w_thr_bottom
+                if (   w->framesize.y < world.wins.padsize.y - w_thr_bottom
                     && w->framesize.x < free_width)
                 {
                     w->start.x = w_test->start.x + w_test->framesize.x + 1;
@@ -198,10 +196,10 @@ static void scroll_hint(struct yx_uint16 fsize, char dir, uint16_t dist,
         }
         if ('<' == dir || '>' == dir)
         {
-            mvwaddch(world.wmeta.pad, start.y + q, start.x + draw_offset, c);
+            mvwaddch(world.wins.pad, start.y + q, start.x + draw_offset, c);
             continue;
         }
-        mvwaddch(world.wmeta.pad, start.y + draw_offset, start.x + q, c);
+        mvwaddch(world.wins.pad, start.y + draw_offset, start.x + q, c);
     }
 }
 
@@ -210,8 +208,8 @@ static void padscroll_hint(char dir, uint16_t dist)
 {
     struct yx_uint16 start;
     start.y = 0;
-    start.x = world.wmeta.pad_offset;
-    scroll_hint(world.wmeta.padsize, dir, dist, "columns", start);
+    start.x = world.wins.pad_offset;
+    scroll_hint(world.wins.padsize, dir, dist, "columns", start);
 }
 
 
@@ -242,8 +240,8 @@ static void draw_wins(struct Win * w)
         for (x = offset_x; x < w->framesize.x + offset_x && x < size_x; x++)
         {
             chtype ch = w->winmap[(y * w->winmapsize.x) + x];
-            mvwaddch(world.wmeta.pad, w->start.y + (y - offset_y),
-                                       w->start.x + (x - offset_x), ch);
+            mvwaddch(world.wins.pad, w->start.y + (y - offset_y),
+                                     w->start.x + (x - offset_x), ch);
         }
     }
     free(w->winmap);
@@ -280,13 +278,13 @@ static void draw_win_borderlines(struct Win * w)
     uint16_t y, x;
     for (y = w->start.y; y <= w->start.y + w->framesize.y; y++)
     {
-        mvwaddch(world.wmeta.pad, y, w->start.x - 1,              '|');
-        mvwaddch(world.wmeta.pad, y, w->start.x + w->framesize.x, '|');
+        mvwaddch(world.wins.pad, y, w->start.x - 1,              '|');
+        mvwaddch(world.wins.pad, y, w->start.x + w->framesize.x, '|');
     }
     for (x = w->start.x; x <= w->start.x + w->framesize.x; x++)
     {
-        mvwaddch(world.wmeta.pad, w->start.y - 1,              x, '-');
-        mvwaddch(world.wmeta.pad, w->start.y + w->framesize.y, x, '-');
+        mvwaddch(world.wins.pad, w->start.y - 1,              x, '-');
+        mvwaddch(world.wins.pad, w->start.y + w->framesize.y, x, '-');
     }
 
     /* Draw as much as possible of the title into center of top border line. */
@@ -301,14 +299,14 @@ static void draw_win_borderlines(struct Win * w)
         uint16_t length_visible = strnlen(w->title, w->framesize.x - 2);
         char title[length_visible + 3];
         char decoration = ' ';
-        if (w == world.wmeta.active)
+        if (w == world.wins.win_active)
         {
             decoration = '$';
         }
         memcpy(title + 1, w->title, length_visible);
         title[0] = title[length_visible + 1] = decoration;
         title[length_visible + 2] = '\0';
-        mvwaddstr(world.wmeta.pad,
+        mvwaddstr(world.wins.pad,
                   w->start.y - 1, w->start.x + title_offset, title);
     }
 }
@@ -328,10 +326,10 @@ static void draw_wins_borderlines(struct Win * w)
 
 static void draw_wins_bordercorners(struct Win * w)
 {
-    mvwaddch(world.wmeta.pad, w->start.y - 1, w->start.x - 1, '+');
-    mvwaddch(world.wmeta.pad, w->start.y - 1, w->start.x + w->framesize.x,'+');
-    mvwaddch(world.wmeta.pad, w->start.y + w->framesize.y, w->start.x - 1,'+');
-    mvwaddch(world.wmeta.pad, w->start.y + w->framesize.y,
+    mvwaddch(world.wins.pad, w->start.y - 1, w->start.x - 1, '+');
+    mvwaddch(world.wins.pad, w->start.y - 1, w->start.x + w->framesize.x, '+');
+    mvwaddch(world.wins.pad, w->start.y + w->framesize.y, w->start.x - 1, '+');
+    mvwaddch(world.wins.pad, w->start.y + w->framesize.y,
              w->start.x + w->framesize.x, '+');
     if (0 != w->next)
     {
@@ -343,40 +341,40 @@ static void draw_wins_bordercorners(struct Win * w)
 
 static void shift_win_forward()
 {
-    if (world.wmeta.active == world.wmeta.chain_end)
+    if (world.wins.win_active == world.wins.chain_end)
     {
-        world.wmeta.chain_end = world.wmeta.active->prev;
-        world.wmeta.chain_end->next = 0;
-        world.wmeta.active->next = world.wmeta.chain_start;
-        world.wmeta.active->next->prev = world.wmeta.active;
-        world.wmeta.chain_start = world.wmeta.active;
-        world.wmeta.chain_start->prev = 0;
+        world.wins.chain_end = world.wins.win_active->prev;
+        world.wins.chain_end->next = 0;
+        world.wins.win_active->next = world.wins.chain_start;
+        world.wins.win_active->next->prev = world.wins.win_active;
+        world.wins.chain_start = world.wins.win_active;
+        world.wins.chain_start->prev = 0;
     }
     else
     {
-        struct Win * old_prev = world.wmeta.active->prev;
-        struct Win * old_next = world.wmeta.active->next;
-        if (world.wmeta.chain_end == world.wmeta.active->next)
+        struct Win * old_prev = world.wins.win_active->prev;
+        struct Win * old_next = world.wins.win_active->next;
+        if (world.wins.chain_end == world.wins.win_active->next)
         {
-            world.wmeta.chain_end = world.wmeta.active;
-            world.wmeta.active->next = 0;
+            world.wins.chain_end = world.wins.win_active;
+            world.wins.win_active->next = 0;
         }
         else
         {
-            world.wmeta.active->next = old_next->next;
-            world.wmeta.active->next->prev = world.wmeta.active;
+            world.wins.win_active->next = old_next->next;
+            world.wins.win_active->next->prev = world.wins.win_active;
         }
-        if (world.wmeta.chain_start == world.wmeta.active)
+        if (world.wins.chain_start == world.wins.win_active)
         {
-            world.wmeta.chain_start = old_next;
+            world.wins.chain_start = old_next;
         }
         else
         {
             old_prev->next = old_next;
         }
         old_next->prev = old_prev;
-        old_next->next = world.wmeta.active;
-        world.wmeta.active->prev = old_next;
+        old_next->next = world.wins.win_active;
+        world.wins.win_active->prev = old_next;
     }
 }
 
@@ -384,73 +382,56 @@ static void shift_win_forward()
 
 static void shift_win_backward()
 {
-    if (world.wmeta.active == world.wmeta.chain_start)
+    if (world.wins.win_active == world.wins.chain_start)
     {
-        world.wmeta.chain_start = world.wmeta.active->next;
-        world.wmeta.chain_start->prev = 0;
-        world.wmeta.active->prev = world.wmeta.chain_end;
-        world.wmeta.active->prev->next = world.wmeta.active;
-        world.wmeta.chain_end = world.wmeta.active;
-        world.wmeta.chain_end->next = 0;
+        world.wins.chain_start = world.wins.win_active->next;
+        world.wins.chain_start->prev = 0;
+        world.wins.win_active->prev = world.wins.chain_end;
+        world.wins.win_active->prev->next = world.wins.win_active;
+        world.wins.chain_end = world.wins.win_active;
+        world.wins.chain_end->next = 0;
     }
     else
     {
-        struct Win * old_prev = world.wmeta.active->prev;
-        struct Win * old_next = world.wmeta.active->next;
-        if (world.wmeta.chain_start == world.wmeta.active->prev)
+        struct Win * old_prev = world.wins.win_active->prev;
+        struct Win * old_next = world.wins.win_active->next;
+        if (world.wins.chain_start == world.wins.win_active->prev)
         {
-            world.wmeta.chain_start = world.wmeta.active;
-            world.wmeta.active->prev = 0;
+            world.wins.chain_start = world.wins.win_active;
+            world.wins.win_active->prev = 0;
         }
         else
         {
-            world.wmeta.active->prev = old_prev->prev;
-            world.wmeta.active->prev->next = world.wmeta.active;
+            world.wins.win_active->prev = old_prev->prev;
+            world.wins.win_active->prev->next = world.wins.win_active;
         }
-        if (world.wmeta.chain_end == world.wmeta.active)
+        if (world.wins.chain_end == world.wins.win_active)
         {
-            world.wmeta.chain_end = old_prev;
+            world.wins.chain_end = old_prev;
         }
         else
         {
             old_next->prev = old_prev;
         }
         old_prev->next = old_next;
-        old_prev->prev = world.wmeta.active;
-        world.wmeta.active->next = old_prev;
+        old_prev->prev = world.wins.win_active;
+        world.wins.win_active->next = old_prev;
     }
 }
 
 
 
-extern void init_wmeta_and_ncurses()
-{
-    world.wmeta.screen = initscr();
-    set_cleanup_flag(CLEANUP_NCURSES);
-    noecho();
-    curs_set(0);
-    world.wmeta.padsize.y   = 0;
-    world.wmeta.padsize.x   = 0;
-    world.wmeta.chain_start = 0;
-    world.wmeta.chain_end   = 0;
-    world.wmeta.pad_offset  = 0;
-    world.wmeta.pad         = NULL;
-    world.wmeta.active      = 0;
-}
-
-
-
 extern void make_pad()
 {
     char * err_s = "make_pad() creates an illegaly large virtual screen.";
     char * err_m = "make_pad() triggers memory allocation error via newpad().";
-    uint32_t maxy_test = getmaxy(world.wmeta.screen);
-    uint32_t maxx_test = getmaxx(world.wmeta.screen);
+    uint32_t maxy_test = getmaxy(world.wins.screen);
+    uint32_t maxx_test = getmaxx(world.wins.screen);
     exit_err(maxy_test > UINT16_MAX || maxx_test > UINT16_MAX, err_s);
-    world.wmeta.padsize.y = maxy_test;
-    world.wmeta.padsize.x = maxx_test;
-    world.wmeta.pad = newpad(world.wmeta.padsize.y, 1);
-    exit_err(NULL == world.wmeta.pad, err_m);
+    world.wins.padsize.y = maxy_test;
+    world.wins.padsize.x = maxx_test;
+    world.wins.pad = newpad(world.wins.padsize.y, 1);
+    exit_err(NULL == world.wins.pad, err_m);
 }
 
 
@@ -470,23 +451,23 @@ extern void init_win(struct Win ** wp, char * title, int16_t height,
     w->draw         = func;
     w->center.y     = 0;
     w->center.x     = 0;
-    w->framesize.y  = world.wmeta.padsize.y - 1;
-    if      (0 < height && height <= world.wmeta.padsize.y - 1)
+    w->framesize.y  = world.wins.padsize.y - 1;
+    if      (0 < height && height <= world.wins.padsize.y - 1)
     {
         w->framesize.y = height;
     }
-    else if (0 > height && world.wmeta.padsize.y + (height - 1) > 0)
+    else if (0 > height && world.wins.padsize.y + (height - 1) > 0)
     {
-        w->framesize.y = world.wmeta.padsize.y + (height - 1);
+        w->framesize.y = world.wins.padsize.y + (height - 1);
     }
-    w->framesize.x  = world.wmeta.padsize.x;
+    w->framesize.x  = world.wins.padsize.x;
     if      (0 < width)
     {
         w->framesize.x = width;
     }
-    else if (0 > width && world.wmeta.padsize.x + width > 0)
+    else if (0 > width && world.wins.padsize.x + width > 0)
     {
-        w->framesize.x = world.wmeta.padsize.x + width;
+        w->framesize.x = world.wins.padsize.x + width;
     }
     *wp = w;
 }
@@ -503,17 +484,17 @@ extern void free_win(struct Win * win)
 
 extern void append_win(struct Win * w)
 {
-    if (0 != world.wmeta.chain_start)
+    if (0 != world.wins.chain_start)
     {
-        w->prev = world.wmeta.chain_end;
-        world.wmeta.chain_end->next = w;
+        w->prev = world.wins.chain_end;
+        world.wins.chain_end->next = w;
     }
     else
     {
-        world.wmeta.active = w;
-        world.wmeta.chain_start = w;
+        world.wins.win_active = w;
+        world.wins.chain_start = w;
     }
-    world.wmeta.chain_end = w;
+    world.wins.chain_end = w;
     update_wins(w);
 }
 
@@ -521,31 +502,31 @@ extern void append_win(struct Win * w)
 
 extern void suspend_win(struct Win * w)
 {
-    if (world.wmeta.chain_start != w)
+    if (world.wins.chain_start != w)
     {
         w->prev->next = w->next;
     }
     else
     {
-        world.wmeta.chain_start = w->next;
+        world.wins.chain_start = w->next;
     }
     uint8_t pad_refitted = 0;
-    if (world.wmeta.chain_end != w)
+    if (world.wins.chain_end != w)
     {
         w->next->prev = w->prev;
-        if (world.wmeta.active == w)
+        if (world.wins.win_active == w)
         {
-            world.wmeta.active = w->next;
+            world.wins.win_active = w->next;
         }
         update_wins(w->next);      /* Positioning of successor windows may be */
         pad_refitted = 1;          /* affected / need correction. Note that   */
     }                              /* update_wins() already refits the pad,   */
     else                           /* voiding later need for that.            */
     {
-        world.wmeta.chain_end = w->prev;
-        if (world.wmeta.active == w)
+        world.wins.chain_end = w->prev;
+        if (world.wins.win_active == w)
         {
-            world.wmeta.active = w->prev;
+            world.wins.win_active = w->prev;
         }
     }
     w->prev = 0;
@@ -561,10 +542,10 @@ extern void suspend_win(struct Win * w)
 extern void reset_pad_offset(uint16_t new_offset)
 {
     if (new_offset >= 0
-        && (new_offset < world.wmeta.pad_offset
-            || new_offset + world.wmeta.padsize.x < getmaxx(world.wmeta.pad)))
+        && (new_offset < world.wins.pad_offset
+            || new_offset + world.wins.padsize.x < getmaxx(world.wins.pad)))
     {
-        world.wmeta.pad_offset = new_offset;
+        world.wins.pad_offset = new_offset;
     }
 }
 
@@ -572,11 +553,11 @@ extern void reset_pad_offset(uint16_t new_offset)
 
 extern void resize_active_win(struct yx_uint16 size)
 {
-    if (0 != world.wmeta.active
-        && size.x > 0 && size.y > 0 && size.y < world.wmeta.padsize.y)
+    if (0 != world.wins.win_active
+        && size.x > 0 && size.y > 0 && size.y < world.wins.padsize.y)
     {
-        world.wmeta.active->framesize = size;
-        update_wins(world.wmeta.active);          /* Positioning of following */
+        world.wins.win_active->framesize = size;
+        update_wins(world.wins.win_active);       /* Positioning of following */
     }                                             /* windows may be affected. */
 }
 
@@ -584,28 +565,28 @@ extern void resize_active_win(struct yx_uint16 size)
 
 extern void cycle_active_win(char dir)
 {
-    if (0 != world.wmeta.active)
+    if (0 != world.wins.win_active)
     {
         if ('f' == dir)
         {
-            if (world.wmeta.active->next != 0)
+            if (world.wins.win_active->next != 0)
             {
-                world.wmeta.active = world.wmeta.active->next;
+                world.wins.win_active = world.wins.win_active->next;
             }
             else
             {
-                world.wmeta.active = world.wmeta.chain_start;
+                world.wins.win_active = world.wins.chain_start;
             }
         }
         else
         {
-            if (world.wmeta.active->prev != 0)
+            if (world.wins.win_active->prev != 0)
             {
-                world.wmeta.active = world.wmeta.active->prev;
+                world.wins.win_active = world.wins.win_active->prev;
             }
             else
             {
-                world.wmeta.active = world.wmeta.chain_end;
+                world.wins.win_active = world.wins.chain_end;
             }
         }
     }
@@ -615,19 +596,19 @@ extern void cycle_active_win(char dir)
 
 extern void shift_active_win(char dir)
 {
-    if (   0 == world.wmeta.active  /* No shifting with < 2 windows visible. */
-        || world.wmeta.chain_start == world.wmeta.chain_end)
+    if (   0 == world.wins.win_active /* No shifting with <2 windows visible. */
+        || world.wins.chain_start == world.wins.chain_end)
     {
         return;
     }
     if ('f' == dir)
     {
         shift_win_forward();
-        update_wins(world.wmeta.chain_start);
+        update_wins(world.wins.chain_start);
         return;
     }
     shift_win_backward();
-    update_wins(world.wmeta.chain_start);
+    update_wins(world.wins.chain_start);
 }
 
 
@@ -636,31 +617,31 @@ extern void draw_all_wins()
 {
     /* Empty everything before filling it a-new. */
     erase();
-    wnoutrefresh(world.wmeta.screen);
-    werase(world.wmeta.pad);
-    if (world.wmeta.chain_start)
+    wnoutrefresh(world.wins.screen);
+    werase(world.wins.pad);
+    if (world.wins.chain_start)
     {
 
         /* Draw windows' borders first, then windows. */
-        draw_wins_borderlines(world.wmeta.chain_start);
-        draw_wins_bordercorners(world.wmeta.chain_start);
-        draw_wins(world.wmeta.chain_start);
+        draw_wins_borderlines(world.wins.chain_start);
+        draw_wins_bordercorners(world.wins.chain_start);
+        draw_wins(world.wins.chain_start);
 
         /* Draw virtual screen scroll hints. */
-        if (world.wmeta.pad_offset > 0)
+        if (world.wins.pad_offset > 0)
         {
-            padscroll_hint('<', world.wmeta.pad_offset + 1);
+            padscroll_hint('<', world.wins.pad_offset + 1);
         }
-        uint16_t size_x = getmaxx(world.wmeta.pad);
-        uint16_t right_edge = world.wmeta.pad_offset + world.wmeta.padsize.x;
+        uint16_t size_x = getmaxx(world.wins.pad);
+        uint16_t right_edge = world.wins.pad_offset + world.wins.padsize.x;
         if (right_edge < size_x - 1)
         {
             padscroll_hint('>', size_x - right_edge);
         }
 
         /* Write pad segment to be shown on physical screen to screen buffer. */
-        pnoutrefresh(world.wmeta.pad, 0, world.wmeta.pad_offset, 0, 0,
-                     world.wmeta.padsize.y, world.wmeta.padsize.x - 1);
+        pnoutrefresh(world.wins.pad, 0, world.wins.pad_offset, 0, 0,
+                     world.wins.padsize.y, world.wins.padsize.x - 1);
     }
 
     /* Only at the end write accumulated changes to the physical screen. */
diff --git a/src/client/windows.h b/src/client/windows.h
index 3b3a7ee..2f82667 100644
--- a/src/client/windows.h
+++ b/src/client/windows.h
@@ -24,7 +24,7 @@
 #ifndef WINDOWS_H
 #define WINDOWS_H
 
-#include <ncurses.h> /* WINDOW, chtype */
+#include <ncurses.h> /* chtype */
 #include <stdint.h> /* uint16_t, int16_t */
 #include "../common/yx_uint16.h" /* yx_uint16 struct */
 
@@ -50,32 +50,13 @@ struct Win
     struct yx_uint16 winmapsize;  /* ... with these geometry infos */
 };
 
-/* The window manager's parent struct WinMeta contains the virtual screen,
- * relates it to the terminal screen and anchors the chain of visible windows.
- */
-struct WinMeta
-{
-    struct yx_uint16 padsize; /* virtual screen size */
-    WINDOW * screen;          /* ncurses' pointer to the terminal screen */
-    WINDOW * pad;             /* ncurses pad of virtual screen */
-    struct Win * chain_start; /* first Win in chain; its _prev == 0 */
-    struct Win * chain_end;   /* last Win in chain; its _next == 0 */
-    struct Win * active;      /* Win highlighted/selected for manipulation */
-    uint16_t pad_offset;      /* number of cells view is moved to the right */
-};
 
 
-
-/* Initialize world.wmeta and ncurses on terminal screen. All struct members
- * initialize to 0 (.pad = NULL), except for .screen (= initscr()).
- */
-extern void init_wmeta_and_ncurses();
-
-/* Builds world.wmeta.pad from the sizes of the current terminal screen. */
+/* Builds world.wins.pad from the sizes of the current terminal screen. */
 extern void make_pad();
 
-/* Initialize a Win child "wp" of "wmeta" to "title", "height" and "width" and
- * appoint "func"() as its .draw. Initialize other members to 0.
+/* Initialize a Win at "wp" to "title", "height" and "width" and appoint
+ * "func"() as its .draw. Initialize other members to 0.
  *
  * Pass 0 for "width" to make the window as wide as the terminal screen. Pass 0
  * for "height" for the maximum allowed height: one cell smaller than that of
@@ -90,10 +71,10 @@ extern void init_win(struct Win ** wp, char * title, int16_t height,
 /* Free memory initianized Win structs. */
 extern void free_win(struct Win * win);
 
-/* Append/suspend window "w" to/from chain of visible windows below "wmeta".
- * 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).
+/* 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).
  */
 extern void append_win(struct Win * w);
 extern void suspend_win(struct Win * w);
diff --git a/src/client/world.h b/src/client/world.h
index 4e92bb2..fb8ae4d 100644
--- a/src/client/world.h
+++ b/src/client/world.h
@@ -12,15 +12,13 @@
 #include "../common/yx_uint16.h" /* struct yx_uint16 */
 #include "keybindings.h" /* stuct KeyBindingDB */
 #include "command_db.h" /* struct CommandDB */
-#include "windows.h" /* struct WinMeta */
 #include "wincontrol.h" /* WinConfDB */
 
 
 
 struct World
 {
-    struct WinMeta wmeta;
-    struct WinConfDB winconf_db;
+    struct WinConfDB wins;
     struct CommandDB cmd_db;        /* Command database. */
     struct KeyBindingDB kb_global;    /* Global keybindings. */
     struct KeyBindingDB kb_wingeom;   /* Window geometry config keybindings. */