Merge branch 'master' of git://git.ucc.asn.au/tpg/acess2

[tpg/acess2.git] / Usermode / Applications / irc_src / pseudo_curses.c

diff --git a/Usermode/Applications/irc_src/pseudo_curses.c b/Usermode/Applications/irc_src/pseudo_curses.c
new file mode 100644 (file)
index 0000000..23ee137
--- /dev/null
+++ b/Usermode/Applications/irc_src/pseudo_curses.c
@@ -0,0 +1,75 @@
+/*
+ */
+#include "pseudo_curses.h"
+#include <stdbool.h>
+#include <acess/sys.h>
+#include <acess/devices/pty.h>
+#include <stdio.h>
+
+// === PROTOTYPES ===
+bool   ACurses_GetDims_Acess(void);
+bool   ACurses_GetDims_SerialTermHack(void);
+
+// === GLOBALS ===
+ int   giTerminal_Width = 80;
+ int   giTerminal_Height = 25;
+
+// === CODE ===
+void ACurses_Init(void)
+{
+       if( ACurses_GetDims_Acess() ) {
+       }
+       else if( ACurses_GetDims_SerialTermHack() ) {
+       }
+       else {
+               _SysDebug("note: assuming 80x25, can't get terminal dimensions");
+               giTerminal_Width = 80;
+               giTerminal_Height = 25;
+       }
+}
+
+bool ACurses_GetDims_Acess(void)
+{
+       if( _SysIOCtl(1, DRV_IOCTL_TYPE, NULL) != DRV_TYPE_TERMINAL )
+               return false;
+       
+       struct ptydims  dims;
+       if( _SysIOCtl(1, PTY_IOCTL_GETDIMS, &dims) == -1 )
+               return false;
+       giTerminal_Width = dims.W;
+       giTerminal_Height = dims.H;
+       return true;
+}
+
+bool ACurses_GetDims_SerialTermHack(void)
+{
+       _SysDebug("ACurses_GetDims_SerialTermHack: Trying");
+       // Set cursor to 1000,1000 , request cursor position, reset cursor to 0,0
+       static const char req[] = "\033[1000;1000H\033[6n\033[H";
+       fflush(stdin);
+       _SysWrite(1, req, sizeof(req));
+       int64_t timeout = 1000;
+       fd_set fds;
+       FD_ZERO(&fds);
+       FD_SET(0, &fds);
+       _SysSelect(1, &fds, NULL, NULL, &timeout, 0);
+       if( !FD_ISSET(0, &fds) )
+               return false;
+       
+       if( fgetc(stdin) != '\x1b' )
+               return false;
+       if( fgetc(stdin) != '[' )
+               return false;
+       if( fscanf(stdin, "%i;%i", &giTerminal_Width, &giTerminal_Height) != 2 )
+               return false;
+       if( fgetc(stdin) != 'R' )
+               return false;
+       
+       return true;
+}
+
+void SetCursorPos(int Row, int Col)
+{
+       printf("\x1B[%i;%iH", Row, Col);
+}
+