From 65bc2cee989ecfc722cf4419f6aa52965011e305 Mon Sep 17 00:00:00 2001
From: Pasi Kallinen <paxed@alt.org>
Date: Sun, 18 Oct 2009 00:17:50 +0000
Subject: [PATCH] Handle screen size changes.

git-svn-id: svn://katsu.triplehelix.org/dgamelaunch/trunk@471 db0b04b0-f4d1-0310-9a6d-de3e77497b0e
---
 dgamelaunch.c | 28 ++++++++++++++++++----------
 dgamelaunch.h |  6 ++++++
 dgl-common.c  | 23 +++++++++++++++++++++++
 mygetnstr.c   |  2 +-
 4 files changed, 48 insertions(+), 11 deletions(-)

diff --git a/dgamelaunch.c b/dgamelaunch.c
index 2cb8b34..b5c443b 100644
--- a/dgamelaunch.c
+++ b/dgamelaunch.c
@@ -379,6 +379,7 @@ inprogressmenu (int gameid)
   int is_nhext[14];
   sigset_t oldmask, toblock;
   int idx = -1;
+  int max_height = -1;
 
   if (sortmode == NUM_SORTMODES)
       sortmode = globalconfig.sortmode;
@@ -388,12 +389,16 @@ inprogressmenu (int gameid)
 
   while (1)
     {
+	term_resize_check();
+	max_height = local_LINES - 10;
+	if (max_height < 2) return;
+
       if (len == 0)
         offset = 0;
       else
         {
-	  while (offset >= len && offset >= 14)
-	    offset -= 14;
+	  while (offset >= len && offset >= max_height)
+	    offset -= max_height;
 	}
 
       erase ();
@@ -408,7 +413,7 @@ inprogressmenu (int gameid)
       /* clean old games and list good ones */
       i = 0;
 
-      for (i = 0; i < 14; i++)
+      for (i = 0; i < max_height; i++)
         {
           if (i + offset >= len)
             break;
@@ -428,12 +433,13 @@ inprogressmenu (int gameid)
                     (time (&ctime) - games[i + offset]->idle_time) % 60);
         }
 
-      mvprintw (22, 1, "'s' and 'S' change sort mode (current: %s)", SORTMODE_NAME[sortmode]);
+      mvprintw ((local_LINES-2), 1, "'s' and 'S' change sort mode (current: %s)", SORTMODE_NAME[sortmode]);
 
       if (len > 0)
-        mvprintw (21, 1, "(%d-%d of %d)", offset + 1, offset + i, len);
-      mvaddstr (23, 1,
+	  mvprintw ((local_LINES-3), 1, "(%d-%d of %d)", offset + 1, offset + i, len);
+      mvaddstr ((local_LINES-1), 1,
                 "Watch which game? (any key refreshes, 'q' quits, '>'/'<' for more/less) => ");
+
       refresh ();
 
       switch ((menuchoice = getch ()))
@@ -458,17 +464,17 @@ inprogressmenu (int gameid)
            }
            break;
         case '>':
-          if ((offset + 14) >= len)
+          if ((offset + max_height) >= len)
             break;
           else
-            offset += 14;
+            offset += max_height;
           break;
 
         case '<':
-          if ((offset - 14) < 0)
+          if ((offset - max_height) < 0)
             break;
           else
-            offset -= 14;
+            offset -= max_height;
           break;
 
 	case ERR:
@@ -1968,6 +1974,7 @@ main (int argc, char** argv)
 
   /* signal handlers */
   signal (SIGHUP, catch_sighup);
+  signal(SIGWINCH, sigwinch_func);
 
   (void) tcgetattr (0, &tt);
   if (-1 == ioctl (0, TIOCGWINSZ, (char *) &win) || win.ws_row < 4 ||
@@ -2081,6 +2088,7 @@ main (int argc, char** argv)
   }
 
   initcurses ();
+  term_resize_check();
 
   while (1) {
       if (runmenuloop(dgl_find_menu(loggedin ? "mainmenu_user" : "mainmenu_anon")))
diff --git a/dgamelaunch.h b/dgamelaunch.h
index 7872fc9..290634c 100644
--- a/dgamelaunch.h
+++ b/dgamelaunch.h
@@ -174,6 +174,9 @@ extern int num_games;
 
 extern mode_t default_fmode;
 
+extern int local_COLS;
+extern int local_LINES;
+
 /* dgamelaunch.c */
 extern void create_config(void);
 extern void ttyrec_getmaster(void);
@@ -185,6 +188,9 @@ extern void drawbanner(struct dg_banner *ban, unsigned int start_line, unsigned
 extern int check_retard(int reset);
 extern char *dgl_format_str(int game, struct dg_user *me, char *str, char *plrname);
 
+extern void term_resize_check();
+extern void sigwinch_func(int sig);
+
 extern struct dg_menu *dgl_find_menu(char *menuname);
 
 extern int dgl_exec_cmdqueue(struct dg_cmdpart *queue, int game, struct dg_user *me);
diff --git a/dgl-common.c b/dgl-common.c
index b4aca6d..85614a6 100644
--- a/dgl-common.c
+++ b/dgl-common.c
@@ -54,6 +54,9 @@ int loggedin = 0;
 char *chosen_name;
 int num_games = 0;
 
+int local_COLS = -1, local_LINES = -1;
+int curses_resize = 0;
+
 int selected_game = 0;
 int return_from_submenu = 0;
 
@@ -61,6 +64,26 @@ mode_t default_fmode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH
 
 struct dg_globalconfig globalconfig;
 
+void
+sigwinch_func(int sig)
+{
+    signal(SIGWINCH, sigwinch_func);
+    curses_resize = 1;
+    term_resize_check();
+}
+
+void
+term_resize_check()
+{
+    if ((COLS == local_COLS) && (LINES == local_LINES) && !curses_resize) return;
+
+    endwin();
+    initcurses();
+    refresh();
+    local_COLS = COLS;
+    local_LINES = LINES;
+    curses_resize = 0;
+}
 
 int
 check_retard(int reset)
diff --git a/mygetnstr.c b/mygetnstr.c
index 61b820a..38e479a 100644
--- a/mygetnstr.c
+++ b/mygetnstr.c
@@ -93,7 +93,7 @@ mygetnstr(char *buf, int maxlen, int doecho)
 	    else
 		beep();
 	}
-	else if (c == 10 || c == 13 || c == KEY_ENTER)
+	else if (c == 10 || c == 13 || c == KEY_ENTER || c == KEY_RESIZE)
 	    break;
 	else if (c == ERR)
 	{