Added winsz() function

Author: jheinen

src/console.jl

@@ -52,4 +52,15 @@ function cls()
 end
 export cls
 
+function winsz()
+    lines = Cint[0]
+    columns = Cint[0]
+    ccall((:winsz, libconsole),
+          Nothing,
+          (Ptr{Cint}, Ptr{Cint}),
+          lines, columns)
+    return lines[1], columns[1]
+end
+export winsz
+
 end

src/dialog.jl

@@ -34,8 +34,9 @@ function openfiledialog(path)
     if length(songs) > 0
         settty()
         cls()
+        lines, colums = winsz()
         while true
-            last = first + min(23, length(songs) - 1)
+            last = first + min(lines-1, length(songs) - 1)
             for index in first:last
                 outtextxy(1, index - scrolled, rpad(songs[index][1], 80))
             end

src/lib/libconsole.dll

@@ -3,7 +3,7 @@
    cc -shared -arch arm64 -arch x86_64 -o libconsole.dylib libconsole.c
  Windows:
    cl /c libconsole.c
-   link /out:libconsole.dll libconsole.obj
+   link /dll /out:libconsole.dll libconsole.obj
  Linux:
    cc -shared -fPIC -o libconsole.so libconsole.c
  */
@@ -17,6 +17,7 @@
 #include <termios.h>
 #include <signal.h>
 #include <sys/time.h>
+#include <sys/ioctl.h>
 typedef void (*sighandler_t)(int);
 #endif
 
@@ -238,3 +239,22 @@ void cls(void)
     fflush(stdout);
 #endif
 }
+
+void winsz(int *lines, int *columns)
+{
+#if defined(_WIN32)
+    CONSOLE_SCREEN_BUFFER_INFO csbi;
+
+    GetConsoleScreenBufferInfo(std_output, &csbi);
+
+    *lines = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
+    *columns = csbi.srWindow.Right - csbi.srWindow.Left + 1;
+#else
+    struct winsize w;
+    ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
+
+    *lines = w.ws_row;
+    *columns = w.ws_col;
+#endif
+}
+