ncurses 5.5

[ncurses.git] / c++ / cursesw.cc

diff --git a/c++/cursesw.cc b/c++/cursesw.cc
index 905a7b52c20d9a5a0536af4fd9744efc0ddf3e30..106202a5379d6c24d855c9bd6abf5f51c71c04d2 100644 (file)
--- a/c++/cursesw.cc
+++ b/c++/cursesw.cc
@@ -20,13 +20,13 @@
           and Anatoly Ivasyuk (anatoly@nick.csh.rit.edu)
 
   modified by Juergen Pfeifer
-  Contact: http://www.familiepfeifer.de/Contact.aspx?Lang=en
+  and Thomas Dickey (noting that more than 70% of this file has been changed)
 */
 
 #include "internal.h"
 #include "cursesw.h"
 
-MODULE_ID("$Id: cursesw.cc,v 1.25 2002/07/06 15:47:52 juergen Exp $")
+MODULE_ID("$Id: cursesw.cc,v 1.32 2005/08/13 18:12:17 tom Exp $")
 
 #define COLORS_NEED_INITIALIZATION  -1
 #define COLORS_NOT_INITIALIZED       0
@@ -150,7 +150,8 @@ NCursesWindow::err_handler(const char *msg) const THROWS(NCursesException)
 }
 
 void
-NCursesWindow::initialize() {
+NCursesWindow::initialize()
+{
   if (!b_initialized) {
     ::initscr();
     b_initialized = TRUE;
@@ -163,21 +164,24 @@ NCursesWindow::initialize() {
   }
 }
 
-NCursesWindow::NCursesWindow() {
+NCursesWindow::NCursesWindow()
+  : w(0), alloced(0), par(0), subwins(0), sib(0)
+{
   initialize();
 
-  w = (WINDOW *)0;
+  w = static_cast<WINDOW *>(0);
   init();
   alloced = FALSE;
   subwins = par = sib = 0;
   count++;
 }
 
-NCursesWindow::NCursesWindow(int lines, int cols, int begin_y, int begin_x)
+NCursesWindow::NCursesWindow(int nlines, int ncols, int begin_y, int begin_x)
+  : w(0), alloced(0), par(0), subwins(0), sib(0)
 {
     initialize();
 
-    w = ::newwin(lines, cols, begin_y, begin_x);
+    w = ::newwin(nlines, ncols, begin_y, begin_x);
     if (w == 0) {
        err_handler("Cannot construct window");
     }
@@ -189,6 +193,7 @@ NCursesWindow::NCursesWindow(int lines, int cols, int begin_y, int begin_x)
 }
 
 NCursesWindow::NCursesWindow(WINDOW* &window)
+  : w(0), alloced(0), par(0), subwins(0), sib(0)
 {
     initialize();
 
@@ -201,6 +206,7 @@ NCursesWindow::NCursesWindow(WINDOW* &window)
 
 NCursesWindow::NCursesWindow(NCursesWindow& win, int l, int c,
                             int begin_y, int begin_x, char absrel)
+  : w(0), alloced(0), par(0), subwins(0), sib(0)
 {
     initialize();
     if (absrel == 'a') { // absolute origin
@@ -227,9 +233,12 @@ NCursesWindow::NCursesWindow(NCursesWindow& win, int l, int c,
 
 NCursesWindow::NCursesWindow(NCursesWindow& win,
                                bool do_box NCURSES_PARAM_INIT(TRUE))
+  : w(0), alloced(0), par(0), subwins(0), sib(0)
 {
   initialize();
-  w = :: derwin(win.w,win.height()-2,win.width()-2,1,1);
+  int myHeight = win.height();
+  int myWidth  = win.width();
+  w = :: derwin(win.w, myHeight - 2, myWidth - 2, 1, 1);
   if (w == 0) {
     err_handler("Cannot construct subwindow");
   }
@@ -247,7 +256,8 @@ NCursesWindow::NCursesWindow(NCursesWindow& win,
   }
 }
 
-NCursesWindow NCursesWindow::Clone() {
+NCursesWindow NCursesWindow::Clone()
+{
   WINDOW *d = ::dupwin(w);
   NCursesWindow W(d);
   W.subwins = subwins;
@@ -262,31 +272,32 @@ static RIPOFFINIT R_INIT[5];       // There can't be more
 static int r_init_idx   = 0;
 static RIPOFFINIT* prip = R_INIT;
 
-extern "C" int _nc_ripoffline(int,int (*init)(WINDOW*,int));
-
-NCursesWindow::NCursesWindow(WINDOW *win, int cols) {
+NCursesWindow::NCursesWindow(WINDOW *win, int ncols)
+  : w(0), alloced(0), par(0), subwins(0), sib(0)
+{
   initialize();
   w = win;
-  assert((w->_maxx+1)==cols);
+  assert((w->_maxx+1)==ncols);
   alloced = FALSE;
   subwins = par = sib = 0;
 }
 
-int NCursesWindow::ripoff_init(WINDOW *w, int cols)
+int _nc_xx_ripoff_init(WINDOW *w, int ncols)
 {
   int res = ERR;
 
   RIPOFFINIT init = *prip++;
   if (init) {
-    NCursesWindow* W = new NCursesWindow(w,cols);
+    NCursesWindow* W = new NCursesWindow(w,ncols);
     res = init(*W);
   }
   return res;
 }
 
 int NCursesWindow::ripoffline(int ripoff_lines,
-                             int (*init)(NCursesWindow& win)) {
-  int code = ::_nc_ripoffline(ripoff_lines,ripoff_init);
+                             int (*init)(NCursesWindow& win))
+{
+  int code = ::_nc_ripoffline(ripoff_lines,_nc_xx_ripoff_init);
   if (code==OK && init && ripoff_lines) {
     R_INIT[r_init_idx++] = init;
   }
@@ -294,7 +305,8 @@ int NCursesWindow::ripoffline(int ripoff_lines,
 }
 
 bool
-NCursesWindow::isDescendant(NCursesWindow& win) {
+NCursesWindow::isDescendant(NCursesWindow& win)
+{
   for (NCursesWindow* p = subwins; p != NULL; p = p->sib) {
     if (p==&win)
       return TRUE;
@@ -386,7 +398,7 @@ NCursesWindow::getcolor(int getback) const
     short fore, back;
 
     if (colorInitialized==COLORS_ARE_REALLY_THERE) {
-      if (::pair_content((short)PAIR_NUMBER(w->_attrs), &fore, &back))
+      if (::pair_content(static_cast<short>(PAIR_NUMBER(w->_attrs)), &fore, &back))
        err_handler("Can't get color pair");
     }
     else {
@@ -427,7 +439,7 @@ int
 NCursesWindow::setpalette(short fore, short back)
 {
   if (colorInitialized==COLORS_ARE_REALLY_THERE)
-    return setpalette(fore, back, (short)PAIR_NUMBER(w->_attrs));
+    return setpalette(fore, back, static_cast<short>(PAIR_NUMBER(w->_attrs)));
   else
     return OK;
 }
@@ -447,9 +459,8 @@ NCursesWindow::setcolor(short pair)
 }
 
 #if HAVE_HAS_KEY
-extern "C" int _nc_has_mouse(void);
-
-bool NCursesWindow::has_mouse() const {
+bool NCursesWindow::has_mouse() const
+{
   return ((::has_key(KEY_MOUSE) || ::_nc_has_mouse())
          ? TRUE : FALSE);
 }