add support for pdcurses

configure.in

@@ -13,6 +13,7 @@ AC_ARG_ENABLE(clock, AS_HELP_STRING([--enable-clock], [Enable clock screen]), [c
 AC_ARG_ENABLE(unicode, AS_HELP_STRING([--enable-unicode], [Enable utf8 support]), [unicode=$enableval], [unicode=yes])
 AC_ARG_WITH(taglib, AS_HELP_STRING([--with-taglib], [Enable tag editor]), [taglib=$withval], [taglib=no])
 AC_ARG_WITH(curl, AS_HELP_STRING([--with-curl], [Enable fetching lyrics from the Internet]), [curl=$withval], [curl=no])
+AC_ARG_WITH(pdcurses, AS_HELP_STRING([--with-pdcurses], [Link against pdcurses instead of ncurses]), [pdcurses=$withval], [pdcurses=no])
 
 if test "$clock" = "yes"; then
 	AC_DEFINE([ENABLE_CLOCK], [1], [enables clock screen])
@@ -32,23 +33,29 @@ AC_CHECK_HEADERS([iconv.h], , AC_MSG_NOTICE(cannot find iconv.h header, iconv su
 dnl ========================
 dnl = checking for ncurses =
 dnl ========================
-if test "$unicode" = "yes" ; then
-	ncurses_config_bin=ncursesw5-config
-	ncurses_lib=ncursesw
-	CPPFLAGS="$CPPFLAGS -D_UTF8"
+if test "$pdcurses" = "no" ; then
+	if test "$unicode" = "yes" ; then
+		curses_config_bin=ncursesw5-config
+		curses_lib=ncursesw
+		AC_DEFINE([_UTF8], [1], [enables unicode support])
+	else
+		curses_config_bin=ncurses5-config
+		curses_lib=ncurses
+	fi
 else
-	ncurses_config_bin=ncurses5-config
-	ncurses_lib=ncurses
+	curses_config_bin=xcurses-config
+	curses_lib=XCurses
+	AC_DEFINE([USE_PDCURSES], [1], [enables pdcurses support])
 fi
-AC_PATH_PROG(NCURSES_CONFIG, $ncurses_config_bin)
-if test "$NCURSES_CONFIG" != "" ; then
-	CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
-	LDFLAGS="$LDFLAGS `$NCURSES_CONFIG --libs`"
-	AC_CHECK_LIB($ncurses_lib, initscr, , AC_MSG_ERROR([$ncurses_lib library is required]))
+AC_PATH_PROG(CURSES_CONFIG, $curses_config_bin)
+if test "$CURSES_CONFIG" != "" ; then
+	CPPFLAGS="$CPPFLAGS `$CURSES_CONFIG --cflags`"
+	LDFLAGS="$LDFLAGS `$CURSES_CONFIG --libs`"
+	AC_CHECK_LIB($curses_lib, initscr, , AC_MSG_ERROR([$curses_lib library is required]))
 else
-	AC_CHECK_LIB($ncurses_lib, initscr, LDFLAGS="$LDFLAGS -l$ncurses_lib", AC_MSG_ERROR([$ncurses_lib library is required]))
+	AC_CHECK_LIB($curses_lib, initscr, LDFLAGS="$LDFLAGS -l$curses_lib", AC_MSG_ERROR([$ncurses_lib library is required]))
 fi
-AC_CHECK_HEADERS([ncurses.h], , AC_MSG_ERROR([missing ncurses.h header]))
+AC_CHECK_HEADERS([curses.h], , AC_MSG_ERROR([missing ncurses.h header]))
 
 dnl =================================
 dnl = checking for curl and pthread =

src/ncmpcpp.cpp

@@ -117,7 +117,7 @@ int main(int argc, char *argv[])
 	std::streambuf *cerr_buffer = std::cerr.rdbuf();
 	std::cerr.rdbuf(errorlog.rdbuf());
 	
-	InitScreen(Config.colors_enabled);
+	InitScreen("ncmpc++ ver. "VERSION, Config.colors_enabled);
 	init_current_locale();
 	
 	MainStartY = 2;
@@ -325,6 +325,10 @@ int main(int argc, char *argv[])
 		}
 		else if (input == KEY_RESIZE)
 		{
+#			ifdef USE_PDCURSES
+			resize_term(0, 0);
+#			endif // USE_PDCURSES
+			
 			RedrawHeader = 1;
 			
 			if (COLS < 20 || LINES < 5)

src/status.cpp

@@ -51,10 +51,14 @@ namespace
 	
 	void WindowTitle(const string &status)
 	{
+#		ifndef USE_PDCURSES
 		static const string term_type = getenv("TERM") ? getenv("TERM") : "";
 		
 		if (term_type != "linux" && Config.set_window_title)
 			std::cout << "\033]0;" << status << "\7";
+#		else
+		(void)status;
+#		endif // USE_PDCURSES
 	}
 }
 

src/window.cpp

@@ -28,18 +28,33 @@ using namespace NCurses;
 using std::string;
 using std::wstring;
 
-void NCurses::InitScreen(bool enable_colors)
+void NCurses::InitScreen(const char *window_title, bool enable_colors)
 {
+	const int ColorsTable[] =
+	{
+		COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_YELLOW,
+		COLOR_BLUE, COLOR_MAGENTA, COLOR_CYAN, COLOR_WHITE
+	};
 	setlocale(LC_ALL, "");
+#	if defined(USE_PDCURSES) && defined(XCURSES)
+	Xinitscr(1, const_cast<char **>(&window_title));
+#	else
+	window_title = 0; // silence compiler
 	initscr();
+#	endif // USE_PDCURSES && XCURSES
 	if (has_colors() && enable_colors)
 	{
 		start_color();
 		use_default_colors();
 		int num = 1;
-		for (int i = -1; i < 8; i++)
+#		ifdef USE_PDCURSES
+		int i = 0;
+#		else
+		int i = -1;
+#		endif // USE_PDCURSES
+		for (; i < 8; i++)
 			for (int j = 0; j < 8; j++)
-				init_pair(num++, j, i);
+				init_pair(num++, ColorsTable[j], i < 0 ? i : ColorsTable[i]);
 	}
 	noecho();
 	cbreak();
@@ -424,7 +439,12 @@ string Window::GetString(const string &base, size_t length, size_t width, bool e
 		input = wgetch(itsWindow);
 		
 		// these key codes are special and should be ignored
-		if (input < 10 || (input > 10 && input < 32))
+		if ((input < 10 || (input > 10 && input < 32))
+#		ifdef USE_PDCURSES
+		&&   input != 8) // backspace key in pdcurses
+#		else
+		)
+#		endif // USE_PDCURSES
 			continue;
 		
 		switch (input)
@@ -445,6 +465,9 @@ string Window::GetString(const string &base, size_t length, size_t width, bool e
 				break;
 			}
 			case KEY_BACKSPACE: case 127:
+#			ifdef USE_PDCURSES
+			case 8: // backspace key in pdcurses
+#			endif // USE_PDCURSES
 			{
 				if (x <= minx && !beginning)
 					break;
@@ -458,7 +481,11 @@ string Window::GetString(const string &base, size_t length, size_t width, bool e
 				}
 				else if (beginning > 0)
 					beginning--;
-				if (input != KEY_BACKSPACE && input != 127)
+				if (input != KEY_BACKSPACE && input != 127
+#				ifdef USE_PDCURSES
+				&&  input != 8 // backspace key in pdcurses
+#				endif // USE_PDCURSES
+				   )
 					break; // backspace = left & delete.
 			}
 			case KEY_DC:

src/window.h

@@ -25,7 +25,11 @@
 #include <config.h>
 #endif
 
-#include "ncurses.h"
+#ifdef USE_PDCURSES
+# define XCURSES
+#endif
+
+#include "curses.h"
 
 #include <stack>
 #include <vector>
@@ -55,7 +59,7 @@ namespace NCurses
 	
 	typedef void (*GetStringHelper)(const std::wstring &);
 	
-	void InitScreen(bool);
+	void InitScreen(const char *, bool);
 	void DestroyScreen();
 	
 	struct Colors