From 934bc40ed94856798b5be30b345c6b2038cc0d2b Mon Sep 17 00:00:00 2001
From: GiorgosXou <gxousos@gmail.com>
Date: Sun, 21 Nov 2021 08:49:45 +0200
Subject: [PATCH] FIXED: pads with panels

---
 curses.h           | 11 ++++++++++
 pdcurses/pad.c     | 52 ++++++++++++++++++++--------------------------
 pdcurses/refresh.c | 10 ++++++++-
 pdcurses/window.c  |  9 ++++++++
 4 files changed, 52 insertions(+), 30 deletions(-)

diff --git a/curses.h b/curses.h
index 7a148d48..fa6c6c66 100644
--- a/curses.h
+++ b/curses.h
@@ -300,6 +300,17 @@ typedef struct _win       /* definition of a window */
     int   _delayms;       /* milliseconds of delay for getch() */
     int   _parx, _pary;   /* coords relative to parent (0,0) */
     struct _win *_parent; /* subwin's pointer to parent win */
+
+    /* these are used only if this is a pad */
+    struct pdat           
+    {
+        int _pad_y;         
+        int _pad_x;
+        int _pad_top;
+        int _pad_left;
+        int _pad_bottom;
+        int _pad_right;
+    } _pad;               /* Pad-properties structure */
 } WINDOW;
 
 /* Color pair structure */
diff --git a/pdcurses/pad.c b/pdcurses/pad.c
index da8e968c..77c233a8 100644
--- a/pdcurses/pad.c
+++ b/pdcurses/pad.c
@@ -75,11 +75,6 @@ pad
 
 #include <string.h>
 
-/* save values for pechochar() */
-
-static int save_pminrow, save_pmincol;
-static int save_sminrow, save_smincol, save_smaxrow, save_smaxcol;
-
 WINDOW *newpad(int nlines, int ncols)
 {
     WINDOW *win;
@@ -96,16 +91,12 @@ WINDOW *newpad(int nlines, int ncols)
     werase(win);
 
     win->_flags = _PAD;
-
-    /* save default values in case pechochar() is the first call to
-       prefresh(). */
-
-    save_pminrow = 0;
-    save_pmincol = 0;
-    save_sminrow = 0;
-    save_smincol = 0;
-    save_smaxrow = min(LINES, nlines) - 1;
-    save_smaxcol = min(COLS, ncols) - 1;
+    win->_pad._pad_y = 0;
+    win->_pad._pad_x = 0;
+    win->_pad._pad_top = 0;
+    win->_pad._pad_left = 0;
+    win->_pad._pad_bottom = min(LINES, nlines) - 1;
+    win->_pad._pad_right = min(COLS, ncols) - 1;
 
     return win;
 }
@@ -151,16 +142,12 @@ WINDOW *subpad(WINDOW *orig, int nlines, int ncols, int begy, int begx)
         win->_y[i] = orig->_y[begy + i] + begx;
 
     win->_flags = _SUBPAD;
-
-    /* save default values in case pechochar() is the first call
-       to prefresh(). */
-
-    save_pminrow = 0;
-    save_pmincol = 0;
-    save_sminrow = 0;
-    save_smincol = 0;
-    save_smaxrow = min(LINES, nlines) - 1;
-    save_smaxcol = min(COLS, ncols) - 1;
+    win->_pad._pad_y = 0;
+    win->_pad._pad_x = 0;
+    win->_pad._pad_top = 0;
+    win->_pad._pad_left = 0;
+    win->_pad._pad_bottom = min(LINES, nlines) - 1;
+    win->_pad._pad_right = min(COLS, ncols) - 1;
 
     return win;
 }
@@ -242,6 +229,13 @@ int pnoutrefresh(WINDOW *w, int py, int px, int sy1, int sx1, int sy2, int sx2)
         curscr->_curx = (w->_curx - px) + sx1;
     }
 
+    w->_pad._pad_y = py;
+    w->_pad._pad_x = px;
+    w->_pad._pad_top = sy1;
+    w->_pad._pad_left = sx1;
+    w->_pad._pad_bottom = sy2;
+    w->_pad._pad_right = sx2;
+
     return OK;
 }
 
@@ -252,8 +246,8 @@ int pechochar(WINDOW *pad, chtype ch)
     if (waddch(pad, ch) == ERR)
         return ERR;
 
-    return prefresh(pad, save_pminrow, save_pmincol, save_sminrow,
-                    save_smincol, save_smaxrow, save_smaxcol);
+    return prefresh(pad, pad->_pad._pad_y, pad->_pad._pad_x, pad->_pad._pad_top,
+                    pad->_pad._pad_left, pad->_pad._pad_bottom, pad->_pad._pad_right);
 }
 
 #ifdef PDC_WIDE
@@ -264,8 +258,8 @@ int pecho_wchar(WINDOW *pad, const cchar_t *wch)
     if (!wch || (waddch(pad, *wch) == ERR))
         return ERR;
 
-    return prefresh(pad, save_pminrow, save_pmincol, save_sminrow,
-                    save_smincol, save_smaxrow, save_smaxcol);
+    return prefresh(pad, pad->_pad._pad_y, pad->_pad._pad_x, pad->_pad._pad_top,
+                    pad->_pad._pad_left, pad->_pad._pad_bottom, pad->_pad._pad_right);
 }
 #endif
 
diff --git a/pdcurses/refresh.c b/pdcurses/refresh.c
index cc0a25d9..5b36d0fa 100644
--- a/pdcurses/refresh.c
+++ b/pdcurses/refresh.c
@@ -64,8 +64,16 @@ int wnoutrefresh(WINDOW *win)
 
     PDC_LOG(("wnoutrefresh() - called: win=%p\n", win));
 
-    if ( !win || (win->_flags & (_PAD|_SUBPAD)) )
+    if (!win)
         return ERR;
+    if (is_pad(win))
+        return pnoutrefresh(win,
+				win->_pad._pad_y,
+				win->_pad._pad_x,
+				win->_pad._pad_top,
+				win->_pad._pad_left,
+				win->_pad._pad_bottom,
+				win->_pad._pad_right);
 
     begy = win->_begy;
     begx = win->_begx;
diff --git a/pdcurses/window.c b/pdcurses/window.c
index 2eb294e8..bdeb0d79 100644
--- a/pdcurses/window.c
+++ b/pdcurses/window.c
@@ -185,6 +185,15 @@ WINDOW *PDC_makenew(int nlines, int ncols, int begy, int begx)
     win->_bmarg = nlines - 1;
     win->_parx = win->_pary = -1;
 
+    /* initialize pad variables*/
+
+    win->_pad._pad_y = -1;
+    win->_pad._pad_x = -1;
+    win->_pad._pad_top = -1;
+    win->_pad._pad_left = -1;
+    win->_pad._pad_bottom = -1;
+    win->_pad._pad_right = -1;
+
     /* init to say window all changed */
 
     touchwin(win);