Handle SIGWINCH signals via reset_windows().

[plomrogue] / src / client / misc.c

diff --git a/src/client/misc.c b/src/client/misc.c
index be6faeb9c7a0e5e5ddf2a4ce21e998d97bb53df9..7022c6f25c751945dc9b0ea746e16212d49c8767 100644 (file)
--- a/src/client/misc.c
+++ b/src/client/misc.c
@@ -1,18 +1,19 @@
 /* src/client/misc.c */
 
 #include "misc.h"
-#include <ncurses.h> /* delwin(), getmaxy(), getmaxx(), newpad() */
-#include <stdint.h> /* uint8_t, uint16_t, uint32_t */
-#include "../common/rexit.h" /* exit_err() */
+#include <ncurses.h> /* delwin(), endwin(), refresh() */
+#include <stdint.h> /* uint8_t, uint16_t */
+#include <string.h> /* memset(), strlen() */
 #include "cleanup.h" /* for set_cleanup_flag() */
 #include "keybindings.h" /* init_keybindings(), free_keybindings(),
                           * save_keybindings()
                           */
 #include "map_window.h" /* for map_center() */
-#include "wincontrol.h" /* init_winconfs(), init_wins(),
-                         * sorted_wintoggle_and_activate()
+#include "wincontrol.h" /* struct WinConf, init_winconfs(), init_wins(),
+                         * sorted_wintoggle_and_activate(), get_win_by_id(),
+                         * get_winconf_by_win(), toggle_window()
                          */
-#include "windows.h" /* suspend_win() */
+#include "windows.h" /* struct Win, make_pad(), suspend_win(), free_win() */
 #include "world.h" /* global world */
 
 
@@ -33,15 +34,7 @@ extern void load_interface_conf()
     init_keybindings("confclient/keybindings_wingeom", &world.kb_wingeom);
     init_keybindings("confclient/keybindings_winkeys", &world.kb_winkeys);
     init_winconfs();
-    char * err_s = "load_interface_conf() makes illegaly large virtual screen.";
-    char * err_m = "load_interface_conf(): memory alloc error via newpad().";
-    uint32_t maxy_test = getmaxy(world.wmeta.screen);
-    uint32_t maxx_test = getmaxx(world.wmeta.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);
+    make_pad();
     init_wins();
     sorted_wintoggle_and_activate();
     set_cleanup_flag(CLEANUP_INTERFACE);
@@ -64,6 +57,56 @@ extern void unload_interface_conf()
 
 
 
+extern void winch_called(int signal)
+{
+    world.winch = 1;
+}
+
+
+
+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.winconf_ids) + 1];
+    memset(win_ids, '\0', strlen(world.winconf_db.winconf_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)
+        {
+            active = wc_p->id;
+        }
+    }
+    while (0 != world.wmeta.active)
+    {
+        w_p = world.wmeta.active;
+        suspend_win(w_p);
+        free_win(w_p);
+    }
+    delwin(world.wmeta.pad);
+    make_pad();
+    init_wins();
+    if (strlen(win_ids) < 1)
+    {
+        return;
+    }
+    for (i = 0; i < strlen(win_ids); i++)
+    {
+        toggle_window(win_ids[i]);
+        if (active == win_ids[i])
+        {
+            world.wmeta.active = get_win_by_id(win_ids[i]);
+        }
+    }
+}
+
+
+
 extern void reload_interface_conf()
 {
     unload_interface_conf();