ucsim-0.2.37-pre3 into cvs

[fw/sdcc] / sim / ucsim / gui.src / serio.src / frontend.cc

diff --git a/sim/ucsim/gui.src/serio.src/frontend.cc b/sim/ucsim/gui.src/serio.src/frontend.cc
new file mode 100644 (file)
index 0000000..e0cf78d
--- /dev/null
+++ b/sim/ucsim/gui.src/serio.src/frontend.cc
@@ -0,0 +1,162 @@
+/******************************************************************************
+ * to emulate the serial input and output of an 8051 controller               *
+ * frontend.cc - the ncurses frontend                                         *
+ ******************************************************************************/
+#include <sys/types.h>
+#include <iostream.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <curses.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include "frontend.hh"
+
+Viewer::Viewer()
+{
+       /* initalise the output screen */
+       initscr();
+       cbreak();
+       noecho();
+       nl();
+       intrflush(stdscr,FALSE);
+       keypad(stdscr, TRUE);
+       
+       /* clear the screen and off you go */
+       refresh();
+
+       // get the coordinates for the box
+       /* create the subwindow */
+       win_c.min_x = win_c.min_y = 0;
+       getmaxyx(stdscr, win_c.max_y, win_c.max_x);
+
+       /* define the boxed size */
+       topleft.x = win_c.min_x + 1;
+       bottomright.x = win_c.max_x - 2;
+       topleft.y = win_c.min_y + 1;
+       bottomright.y = win_c.max_y - 2;
+       middle_y = (int)((bottomright.y-topleft.y)/2)+1;
+       middle_x = (int)((bottomright.x-topleft.x)/2)+1;
+
+       // draw the two subwindows
+       inp_c.min_x = outp_c.min_x = topleft.x;
+       inp_c.max_x = outp_c.max_x = bottomright.x;
+       inp_c.min_y = topleft.y;
+       inp_c.max_y = middle_y-topleft.y;
+       outp_c.min_y = middle_y+1;
+       outp_c.max_y = bottomright.y-middle_y;
+       inp = subwin(stdscr, inp_c.max_y, inp_c.max_x, inp_c.min_y, inp_c.min_x);
+       outp = subwin(stdscr, outp_c.max_y, outp_c.max_x, outp_c.min_y,outp_c.min_x);
+
+       // initalise the windows
+       touchwin(inp);
+       werase(inp);
+       wrefresh(inp);
+       scrollok(inp, TRUE);
+
+       touchwin(outp);
+       werase(outp);
+       wrefresh(outp);
+       scrollok(outp, TRUE);
+       refresh();
+
+       nodelay(inp, TRUE);
+
+       // flush the input buffers
+       flushinp();
+       
+       move(topleft.x,topleft.y);
+       DrawBox();
+}
+
+Viewer::~Viewer()
+{
+       delwin(inp);
+       delwin(outp);
+       erase();
+       refresh();
+       endwin();
+}
+
+void Viewer::DrawBox(void)
+{
+       int height, width;
+       COORDINATES current;
+
+       // save the current position
+       getyx(stdscr, current.y, current.x);
+
+       height = (bottomright.y - topleft.y)+1;
+       width = (bottomright.x - topleft.y)+1;
+
+       mvaddch(topleft.y-1, topleft.x-1, ACS_ULCORNER);
+       mvaddch(topleft.y-1, bottomright.x+1, ACS_URCORNER);
+       mvaddch(bottomright.y+1, bottomright.x+1, ACS_LRCORNER);
+       mvaddch(bottomright.y+1, topleft.x-1, ACS_LLCORNER);
+
+       /* wmove (screen, y, x) */
+       /* top */
+       move(topleft.y-1, topleft.x);
+       hline(ACS_HLINE, width);
+       /* bottom */
+       move(bottomright.y+1, topleft.x);
+       hline(ACS_HLINE, width);
+       move(bottomright.y+1, topleft.x);
+       hline(ACS_HLINE, width);
+       
+       /* left */
+       move(topleft.y, topleft.x-1);
+       vline(ACS_VLINE, height);
+
+       /* right */
+       move(topleft.y, bottomright.x+1);
+       vline(ACS_VLINE, height);
+
+       /* the divider */
+       mvaddch(middle_y, bottomright.x+1, ACS_RTEE);
+       mvaddch(middle_y, topleft.x-1, ACS_LTEE);
+       hline(ACS_HLINE, width);
+
+       // the window titles
+       mvaddstr(inp_c.min_y-1, middle_x-(strlen("Input")/2), "Input");
+       mvaddstr(middle_y, middle_x-(strlen("Output")/2), "Output");
+       move(current.y, current.x);
+       refresh();
+}
+
+void Viewer::AddStrOutWin(char *string)
+{
+       waddstr(outp, string);
+       wrefresh(outp);
+}
+
+void Viewer::GetStrInWin(char *string)
+{
+       if(wgetstr(inp, string) == ERR) {
+               string[0] = 0;
+       } else {
+               waddstr(inp, string);
+               wrefresh(inp);
+       }
+}
+
+void Viewer::AddChOutWin(char b)
+{
+       waddch(outp, b);
+       wrefresh(outp);
+}
+
+char Viewer::GetChInWin(void)
+{
+       int b = wgetch(inp);
+
+       if(b==ERR) {
+               b=0;
+       } else {
+               waddch(inp, (chtype)b);
+               wrefresh(inp);
+       }
+
+       return((char)b);
+}