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Bochs/bochs/gui/term.cc

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/////////////////////////////////////////////////////////////////////////
// $Id: term.cc,v 1.42 2008-12-18 15:37:25 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2000 MandrakeSoft S.A.
//
// MandrakeSoft S.A.
// 43, rue d'Aboukir
// 75002 Paris - France
// http://www.linux-mandrake.com/
// http://www.mandrakesoft.com/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// Define BX_PLUGGABLE in files that can be compiled into plugins. For
// platforms that require a special tag on exported symbols, BX_PLUGGABLE
// is used to know when we are exporting symbols and when we are importing.
#define BX_PLUGGABLE
#include "bochs.h"
#include "iodev.h"
#if BX_WITH_TERM
extern "C" {
#include <curses.h>
#include <signal.h>
};
class bx_term_gui_c : public bx_gui_c {
public:
bx_term_gui_c(void) {}
DECLARE_GUI_VIRTUAL_METHODS()
#if BX_USE_IDLE_HACK
virtual void sim_is_idle(void);
#endif
virtual Bit32u get_sighandler_mask();
// called when registered signal arrives
virtual void sighandler(int sig);
};
// declare one instance of the gui object and call macro to insert the
// plugin code
static bx_term_gui_c *theGui = NULL;
IMPLEMENT_GUI_PLUGIN_CODE(term)
#define LOG_THIS theGui->
bx_bool initialized = 0;
static unsigned int text_rows = 25, text_cols = 80;
static short curses_color[8] = {
/* 0 */ COLOR_BLACK,
/* 1 */ COLOR_BLUE,
/* 2 */ COLOR_GREEN,
/* 3 */ COLOR_CYAN,
/* 4 */ COLOR_RED,
/* 5 */ COLOR_MAGENTA,
/* 6 */ COLOR_YELLOW,
/* 7 */ COLOR_WHITE
};
static chtype vga_to_term[128] = {
0xc7, 0xfc, 0xe9, 0xe2, 0xe4, 0xe0, 0xe5, 0xe7,
0xea, 0xeb, 0xe8, 0xef, 0xee, 0xec, 0xc4, 0xc5,
0xc9, 0xe6, 0xc6, 0xf4, 0xf6, 0xf2, 0xfb, 0xf9,
0xff, 0xd6, 0xdc, 0xe7, 0xa3, 0xa5, ' ', ' ',
0xe1, 0xed, 0xf3, 0xfa, 0xf1, 0xd1, 0xaa, 0xba,
0xbf, ' ', 0xac, ' ', ' ', 0xa1, 0xab, 0xbb,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, ' ', ' ', ' ', ' ',
' ', ' ', ' ', ' ', ' ', ' ', 0xb5, ' ',
' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
' ', 0xb1, ' ', ' ', ' ', ' ', 0xf7, ' ',
0xb0, ' ', ' ', ' ', ' ', 0xb2, ' ', ' '
};
static void do_scan(int key_event, int shift, int ctrl, int alt)
{
/* At some point, cache alt/ctrl/shift so only when the state
changes do we simulate a press or release, to cut down on
keyboard input to the simulated machine */
BX_DEBUG(("key_event %d/0x%x %s%s%s", key_event, key_event,
shift ? "(shift)" : "",
ctrl ? "(ctrl)" : "",
alt ? "(alt)" : ""));
if(shift)
DEV_kbd_gen_scancode(BX_KEY_SHIFT_L);
if(ctrl)
DEV_kbd_gen_scancode(BX_KEY_CTRL_L);
if(alt)
DEV_kbd_gen_scancode(BX_KEY_ALT_L);
DEV_kbd_gen_scancode(key_event);
key_event |= BX_KEY_RELEASED;
DEV_kbd_gen_scancode(key_event);
if(alt)
DEV_kbd_gen_scancode(BX_KEY_ALT_L|BX_KEY_RELEASED);
if(ctrl)
DEV_kbd_gen_scancode(BX_KEY_CTRL_L|BX_KEY_RELEASED);
if(shift)
DEV_kbd_gen_scancode(BX_KEY_SHIFT_L|BX_KEY_RELEASED);
}
Bit32u bx_term_gui_c::get_sighandler_mask()
{
return 0
#ifdef SIGHUP
| (1<<SIGHUP)
#endif
| (1<<SIGINT)
#ifdef SIGQUIT
| (1<<SIGQUIT)
#endif
#ifdef SIGSTOP
| (1<<SIGSTOP)
#endif
#ifdef SIGTSTP
| (1<<SIGTSTP)
#endif
| (1<<SIGTERM);
}
void bx_term_gui_c::sighandler(int signo)
{
switch(signo) {
case SIGINT:
do_scan(BX_KEY_C,0,1,0);
break;
#ifdef SIGSTOP
case SIGSTOP:
do_scan(BX_KEY_S,0,1,0);
break;
#endif
#ifdef SIGTSTP
case SIGTSTP:
do_scan(BX_KEY_Z,0,1,0);
break;
#endif
#ifdef SIGHUP
case SIGHUP:
BX_PANIC(("Received SIGHUP: quit simulation"));
break;
#endif
default:
BX_INFO(("sig %d caught",signo));
break;
}
}
// ::SPECIFIC_INIT()
//
// Called from gui.cc, once upon program startup, to allow for the
// specific GUI code (X11, BeOS, ...) to be initialized.
//
// argc, argv: not used right now, but the intention is to pass native GUI
// specific options from the command line. (X11 options, BeOS options,...)
//
// tilewidth, tileheight: for optimization, graphics_tile_update() passes
// only updated regions of the screen to the gui code to be redrawn.
// These define the dimensions of a region (tile).
// headerbar_y: A headerbar (toolbar) is display on the top of the
// VGA window, showing floppy status, and other information. It
// always assumes the width of the current VGA mode width, but
// it's height is defined by this parameter.
void bx_term_gui_c::specific_init(int argc, char **argv, unsigned tilewidth, unsigned tileheight, unsigned headerbar_y)
{
put("TGUI");
// the ask menu causes trouble
io->set_log_action(LOGLEV_PANIC, ACT_FATAL);
// logfile should be different from stderr, otherwise terminal mode
// really ends up having fun
if (!strcmp(SIM->get_param_string(BXPN_LOG_FILENAME)->getptr(), "-"))
BX_PANIC(("cannot log to stderr in term mode"));
initscr();
start_color();
cbreak();
curs_set(2);
keypad(stdscr,TRUE);
nodelay(stdscr, TRUE);
noecho();
#if BX_HAVE_COLOR_SET
if (has_colors()) {
for (int i=0; i<8; i++) {
for (int j=0; j<8; j++) {
if ((i!=0)||(j!=0)) init_pair(i * 8 + j, j, i);
}
}
}
#endif
if (SIM->get_param_bool(BXPN_PRIVATE_COLORMAP)->get())
BX_ERROR(("WARNING: private_colormap option ignored."));
initialized = 1;
}
void do_char(int character, int alt)
{
switch (character) {
// control keys
case 0x9: do_scan(BX_KEY_TAB,0,0,alt); break;
case 0xa: do_scan(BX_KEY_KP_ENTER,0,0,alt); break;
case 0xd: do_scan(BX_KEY_KP_DELETE,0,0,alt); break;
case 0x1: do_scan(BX_KEY_A,0,1,alt); break;
case 0x2: do_scan(BX_KEY_B,0,1,alt); break;
case 0x3: do_scan(BX_KEY_C,0,1,alt); break;
case 0x4: do_scan(BX_KEY_D,0,1,alt); break;
case 0x5: do_scan(BX_KEY_E,0,1,alt); break;
case 0x6: do_scan(BX_KEY_F,0,1,alt); break;
case 0x7: do_scan(BX_KEY_G,0,1,alt); break;
case 0x8: do_scan(BX_KEY_H,0,1,alt); break;
case 0xb: do_scan(BX_KEY_K,0,1,alt); break;
case 0xc: do_scan(BX_KEY_L,0,1,alt); break;
case 0xe: do_scan(BX_KEY_N,0,1,alt); break;
case 0xf: do_scan(BX_KEY_O,0,1,alt); break;
case 0x10: do_scan(BX_KEY_P,0,1,alt); break;
case 0x11: do_scan(BX_KEY_Q,0,1,alt); break;
case 0x12: do_scan(BX_KEY_R,0,1,alt); break;
case 0x13: do_scan(BX_KEY_S,0,1,alt); break;
case 0x14: do_scan(BX_KEY_T,0,1,alt); break;
case 0x15: do_scan(BX_KEY_U,0,1,alt); break;
case 0x16: do_scan(BX_KEY_V,0,1,alt); break;
case 0x17: do_scan(BX_KEY_W,0,1,alt); break;
case 0x18: do_scan(BX_KEY_X,0,1,alt); break;
case 0x19: do_scan(BX_KEY_Y,0,1,alt); break;
case 0x1a: do_scan(BX_KEY_Z,0,1,alt); break;
case 0x20: do_scan(BX_KEY_SPACE,0,0,alt); break;
case 0x107: do_scan(BX_KEY_BACKSPACE,0,0,alt); break;
case 0x102: do_scan(BX_KEY_DOWN,0,0,alt); break;
case 0x103: do_scan(BX_KEY_UP,0,0,alt); break;
case 0x104: do_scan(BX_KEY_LEFT,0,0,alt); break;
case 0x105: do_scan(BX_KEY_RIGHT,0,0,alt); break;
case 0x152: do_scan(BX_KEY_PAGE_DOWN,0,0,alt); break;
case 0x153: do_scan(BX_KEY_PAGE_UP,0,0,alt); break;
case 0x106: do_scan(BX_KEY_HOME,0,0,alt); break;
case 0x168: do_scan(BX_KEY_END,0,0,alt); break;
case 0x14b: do_scan(BX_KEY_INSERT,0,0,alt); break;
case 0x7f: do_scan(BX_KEY_DELETE,0,0,alt); break;
case 0x1b: do_scan(BX_KEY_ESC,0,0,alt); break;
case '!': do_scan(BX_KEY_1,1,0,alt); break;
case '\'': do_scan(BX_KEY_SINGLE_QUOTE,0,0,alt); break;
case '#': do_scan(BX_KEY_3,1,0,alt); break;
case '$': do_scan(BX_KEY_4,1,0,alt); break;
case '%': do_scan(BX_KEY_5,1,0,alt); break;
case '^': do_scan(BX_KEY_6,1,0,alt); break;
case '&': do_scan(BX_KEY_7,1,0,alt); break;
case '"': do_scan(BX_KEY_SINGLE_QUOTE,1,0,alt); break;
// ()*+,-./
case '(': do_scan(BX_KEY_9,1,0,alt); break;
case ')': do_scan(BX_KEY_0,1,0,alt); break;
case '*': do_scan(BX_KEY_8,1,0,alt); break;
case '+': do_scan(BX_KEY_EQUALS,1,0,alt); break;
case ',': do_scan(BX_KEY_COMMA,0,0,alt); break;
case '-': do_scan(BX_KEY_MINUS,0,0,alt); break;
case '.': do_scan(BX_KEY_PERIOD,0,0,alt); break;
case '/': do_scan(BX_KEY_SLASH,0,0,alt); break;
// 01234567
case '0': do_scan(BX_KEY_0,0,0,alt); break;
case '1': do_scan(BX_KEY_1,0,0,alt); break;
case '2': do_scan(BX_KEY_2,0,0,alt); break;
case '3': do_scan(BX_KEY_3,0,0,alt); break;
case '4': do_scan(BX_KEY_4,0,0,alt); break;
case '5': do_scan(BX_KEY_5,0,0,alt); break;
case '6': do_scan(BX_KEY_6,0,0,alt); break;
case '7': do_scan(BX_KEY_7,0,0,alt); break;
// 89:;<=>?
case '8': do_scan(BX_KEY_8,0,0,alt); break;
case '9': do_scan(BX_KEY_9,0,0,alt); break;
case ':': do_scan(BX_KEY_SEMICOLON,1,0,alt); break;
case ';': do_scan(BX_KEY_SEMICOLON,0,0,alt); break;
case '<': do_scan(BX_KEY_COMMA,1,0,alt); break;
case '=': do_scan(BX_KEY_EQUALS,0,0,alt); break;
case '>': do_scan(BX_KEY_PERIOD,1,0,alt); break;
case '?': do_scan(BX_KEY_SLASH,1,0,alt); break;
// @ABCDEFG
case '@': do_scan(BX_KEY_2,1,0,alt); break;
case 'A': do_scan(BX_KEY_A,1,0,alt); break;
case 'B': do_scan(BX_KEY_B,1,0,alt); break;
case 'C': do_scan(BX_KEY_C,1,0,alt); break;
case 'D': do_scan(BX_KEY_D,1,0,alt); break;
case 'E': do_scan(BX_KEY_E,1,0,alt); break;
case 'F': do_scan(BX_KEY_F,1,0,alt); break;
case 'G': do_scan(BX_KEY_G,1,0,alt); break;
// HIJKLMNO
case 'H': do_scan(BX_KEY_H,1,0,alt); break;
case 'I': do_scan(BX_KEY_I,1,0,alt); break;
case 'J': do_scan(BX_KEY_J,1,0,alt); break;
case 'K': do_scan(BX_KEY_K,1,0,alt); break;
case 'L': do_scan(BX_KEY_L,1,0,alt); break;
case 'M': do_scan(BX_KEY_M,1,0,alt); break;
case 'N': do_scan(BX_KEY_N,1,0,alt); break;
case 'O': do_scan(BX_KEY_O,1,0,alt); break;
// PQRSTUVW
case 'P': do_scan(BX_KEY_P,1,0,alt); break;
case 'Q': do_scan(BX_KEY_Q,1,0,alt); break;
case 'R': do_scan(BX_KEY_R,1,0,alt); break;
case 'S': do_scan(BX_KEY_S,1,0,alt); break;
case 'T': do_scan(BX_KEY_T,1,0,alt); break;
case 'U': do_scan(BX_KEY_U,1,0,alt); break;
case 'V': do_scan(BX_KEY_V,1,0,alt); break;
case 'W': do_scan(BX_KEY_W,1,0,alt); break;
// XYZ[\]^_
case 'X': do_scan(BX_KEY_X,1,0,alt); break;
case 'Y': do_scan(BX_KEY_Y,1,0,alt); break;
case 'Z': do_scan(BX_KEY_Z,1,0,alt); break;
case '{': do_scan(BX_KEY_LEFT_BRACKET,1,0,alt); break;
case '|': do_scan(BX_KEY_BACKSLASH,1,0,alt); break;
case '}': do_scan(BX_KEY_RIGHT_BRACKET,1,0,alt); break;
case '_': do_scan(BX_KEY_MINUS,1,0,alt); break;
// `abcdefg
case '`': do_scan(BX_KEY_GRAVE,0,0,alt); break;
case 'a': do_scan(BX_KEY_A,0,0,alt); break;
case 'b': do_scan(BX_KEY_B,0,0,alt); break;
case 'c': do_scan(BX_KEY_C,0,0,alt); break;
case 'd': do_scan(BX_KEY_D,0,0,alt); break;
case 'e': do_scan(BX_KEY_E,0,0,alt); break;
case 'f': do_scan(BX_KEY_F,0,0,alt); break;
case 'g': do_scan(BX_KEY_G,0,0,alt); break;
// hijklmno
case 'h': do_scan(BX_KEY_H,0,0,alt); break;
case 'i': do_scan(BX_KEY_I,0,0,alt); break;
case 'j': do_scan(BX_KEY_J,0,0,alt); break;
case 'k': do_scan(BX_KEY_K,0,0,alt); break;
case 'l': do_scan(BX_KEY_L,0,0,alt); break;
case 'm': do_scan(BX_KEY_M,0,0,alt); break;
case 'n': do_scan(BX_KEY_N,0,0,alt); break;
case 'o': do_scan(BX_KEY_O,0,0,alt); break;
// pqrstuvw
case 'p': do_scan(BX_KEY_P,0,0,alt); break;
case 'q': do_scan(BX_KEY_Q,0,0,alt); break;
case 'r': do_scan(BX_KEY_R,0,0,alt); break;
case 's': do_scan(BX_KEY_S,0,0,alt); break;
case 't': do_scan(BX_KEY_T,0,0,alt); break;
case 'u': do_scan(BX_KEY_U,0,0,alt); break;
case 'v': do_scan(BX_KEY_V,0,0,alt); break;
case 'w': do_scan(BX_KEY_W,0,0,alt); break;
// xyz{|}~
case 'x': do_scan(BX_KEY_X,0,0,alt); break;
case 'y': do_scan(BX_KEY_Y,0,0,alt); break;
case 'z': do_scan(BX_KEY_Z,0,0,alt); break;
case '[': do_scan(BX_KEY_LEFT_BRACKET,0,0,alt); break;
case '\\': do_scan(BX_KEY_BACKSLASH,0,0,alt); break;
case ']': do_scan(BX_KEY_RIGHT_BRACKET,0,0,alt); break;
case '~': do_scan(BX_KEY_GRAVE,1,0,alt); break;
// function keys
case KEY_F(1): do_scan(BX_KEY_F1,0,0,alt); break;
case KEY_F(2): do_scan(BX_KEY_F2,0,0,alt); break;
case KEY_F(3): do_scan(BX_KEY_F3,0,0,alt); break;
case KEY_F(4): do_scan(BX_KEY_F4,0,0,alt); break;
case KEY_F(5): do_scan(BX_KEY_F5,0,0,alt); break;
case KEY_F(6): do_scan(BX_KEY_F6,0,0,alt); break;
case KEY_F(7): do_scan(BX_KEY_F7,0,0,alt); break;
case KEY_F(8): do_scan(BX_KEY_F8,0,0,alt); break;
case KEY_F(9): do_scan(BX_KEY_F9,0,0,alt); break;
case KEY_F(10): do_scan(BX_KEY_F10,0,0,alt); break;
case KEY_F(11): do_scan(BX_KEY_F11,0,0,alt); break;
case KEY_F(12): do_scan(BX_KEY_F12,0,0,alt); break;
// shifted function keys
case KEY_F(13): do_scan(BX_KEY_F1,1,0,alt); break;
case KEY_F(14): do_scan(BX_KEY_F2,1,0,alt); break;
case KEY_F(15): do_scan(BX_KEY_F3,1,0,alt); break;
case KEY_F(16): do_scan(BX_KEY_F4,1,0,alt); break;
case KEY_F(17): do_scan(BX_KEY_F5,1,0,alt); break;
case KEY_F(18): do_scan(BX_KEY_F6,1,0,alt); break;
case KEY_F(19): do_scan(BX_KEY_F7,1,0,alt); break;
case KEY_F(20): do_scan(BX_KEY_F8,1,0,alt); break;
default:
if(character > 0x79) {
do_char(character - 0x80,1);
break;
}
BX_INFO(("character unhandled: 0x%x",character));
break;
}
}
// ::HANDLE_EVENTS()
//
// Called periodically (vga_update_interval in .bochsrc) so the
// the gui code can poll for keyboard, mouse, and other
// relevant events.
void bx_term_gui_c::handle_events(void)
{
int character;
while((character = getch()) != ERR) {
BX_DEBUG(("scancode(0x%x)",character));
do_char(character,0);
}
}
// ::FLUSH()
//
// Called periodically, requesting that the gui code flush all pending
// screen update requests.
void bx_term_gui_c::flush(void)
{
if (initialized) refresh();
}
// ::CLEAR_SCREEN()
//
// Called to request that the VGA region is cleared. Don't
// clear the area that defines the headerbar.
void bx_term_gui_c::clear_screen(void)
{
clear();
#if BX_HAVE_COLOR_SET
color_set(7, NULL);
#endif
#if BX_HAVE_MVHLINE
if (LINES > (int)text_rows) {
mvhline(text_rows, 0, ACS_HLINE, text_cols);
}
#endif
#if BX_HAVE_MVVLINE
if (COLS > (int)text_cols) {
mvvline(0, text_cols, ACS_VLINE, text_rows);
}
#endif
if ((LINES > (int)text_rows) && (COLS > (int)text_cols)) {
mvaddch(text_rows, text_cols, ACS_LRCORNER);
}
}
int get_color_pair(Bit8u vga_attr)
{
int term_attr = curses_color[vga_attr & 0x07];
term_attr |= (curses_color[(vga_attr & 0x70) >> 4] << 3);
return term_attr;
}
chtype get_term_char(Bit8u vga_char[])
{
int term_char;
if ((vga_char[1] & 0x0f) == ((vga_char[1] >> 4) & 0x0f)) {
return ' ';
}
switch (vga_char[0]) {
case 0x04: term_char = ACS_DIAMOND; break;
case 0x18: term_char = ACS_UARROW; break;
case 0x19: term_char = ACS_DARROW; break;
case 0x1a: term_char = ACS_RARROW; break;
case 0x1b: term_char = ACS_LARROW; break;
case 0xc4:
case 0xcd: term_char = ACS_HLINE; break;
case 0xb3:
case 0xba: term_char = ACS_VLINE; break;
case 0xc9:
case 0xd5:
case 0xd6:
case 0xda: term_char = ACS_ULCORNER; break;
case 0xb7:
case 0xb8:
case 0xbb:
case 0xbf: term_char = ACS_URCORNER; break;
case 0xc0:
case 0xc8:
case 0xd3:
case 0xd4: term_char = ACS_LLCORNER; break;
case 0xbc:
case 0xbd:
case 0xbe:
case 0xd9: term_char = ACS_LRCORNER; break;
case 0xc3:
case 0xc6:
case 0xc7:
case 0xcc: term_char = ACS_LTEE; break;
case 0xb4:
case 0xb5:
case 0xb6:
case 0xb9: term_char = ACS_RTEE; break;
case 0xc2:
case 0xcb:
case 0xd1:
case 0xd2: term_char = ACS_TTEE; break;
case 0xc1:
case 0xca:
case 0xcf:
case 0xd0: term_char = ACS_BTEE; break;
case 0xc5:
case 0xce:
case 0xd7:
case 0xd8: term_char = ACS_PLUS; break;
case 0xb0:
case 0xb1: term_char = ACS_CKBOARD; break;
case 0xb2: term_char = ACS_BOARD; break;
case 0xdb: term_char = ACS_BLOCK; break;
default:
if (vga_char[0] > 0x7f) {
term_char = vga_to_term[vga_char[0]-0x80];
} else if (vga_char[0] > 0x1f) {
term_char = vga_char[0];
} else {
term_char = ' ';
}
}
return term_char;
}
// ::TEXT_UPDATE()
//
// Called in a VGA text mode, to update the screen with
// new content.
//
// old_text: array of character/attributes making up the contents
// of the screen from the last call. See below
// new_text: array of character/attributes making up the current
// contents, which should now be displayed. See below
//
// format of old_text & new_text: each is tm_info.line_offset*text_rows
// bytes long. Each character consists of 2 bytes. The first by is
// the character value, the second is the attribute byte.
//
// cursor_x: new x location of cursor
// cursor_y: new y location of cursor
// tm_info: this structure contains information for additional
// features in text mode (cursor shape, line offset,...)
void bx_term_gui_c::text_update(Bit8u *old_text, Bit8u *new_text,
unsigned long cursor_x, unsigned long cursor_y,
bx_vga_tminfo_t tm_info)
{
unsigned char *old_line, *new_line, *new_start;
unsigned char cAttr;
unsigned int hchars, rows, x, y;
chtype ch;
bx_bool force_update = 0;
if(charmap_updated) {
force_update = 1;
charmap_updated = 0;
}
new_start = new_text;
rows = text_rows;
y = 0;
do {
hchars = text_cols;
new_line = new_text;
old_line = old_text;
x = 0;
do {
if (force_update || (old_text[0] != new_text[0])
|| (old_text[1] != new_text[1])) {
#if BX_HAVE_COLOR_SET
if (has_colors()) {
color_set(get_color_pair(new_text[1]), NULL);
}
#endif
ch = get_term_char(&new_text[0]);
if ((new_text[1] & 0x08) > 0) ch |= A_BOLD;
if ((new_text[1] & 0x80) > 0) ch |= A_BLINK;
mvaddch(y, x, ch);
}
x++;
new_text+=2;
old_text+=2;
} while (--hchars);
y++;
new_text = new_line + tm_info.line_offset;
old_text = old_line + tm_info.line_offset;
} while (--rows);
if ((cursor_x<text_cols) && (cursor_y<text_rows)
&& (tm_info.cs_start <= tm_info.cs_end)) {
if(cursor_x>0)
cursor_x--;
else {
cursor_x=COLS-1;
cursor_y--;
}
cAttr = new_start[cursor_y*tm_info.line_offset+cursor_x*2+1];
#if BX_HAVE_COLOR_SET
if (has_colors()) {
color_set(get_color_pair(cAttr), NULL);
}
#endif
ch = get_term_char(&new_start[cursor_y*tm_info.line_offset+cursor_x*2]);
if ((cAttr & 0x08) > 0) ch |= A_BOLD;
if ((cAttr & 0x80) > 0) ch |= A_REVERSE;
mvaddch(cursor_y, cursor_x, ch);
curs_set(2);
} else {
curs_set(0);
}
}
int bx_term_gui_c::get_clipboard_text(Bit8u **bytes, Bit32s *nbytes)
{
return 0;
}
int bx_term_gui_c::set_clipboard_text(char *text_snapshot, Bit32u len)
{
return 0;
}
// ::PALETTE_CHANGE()
//
// Allocate a color in the native GUI, for this color, and put
// it in the colormap location 'index'.
// returns: 0=no screen update needed (color map change has direct effect)
// 1=screen updated needed (redraw using current colormap)
bx_bool bx_term_gui_c::palette_change(unsigned index, unsigned red, unsigned green, unsigned blue)
{
BX_DEBUG(("color pallete request (%d,%d,%d,%d) ignored", index,red,green,blue));
return(0);
}
// ::GRAPHICS_TILE_UPDATE()
//
// Called to request that a tile of graphics be drawn to the
// screen, since info in this region has changed.
//
// tile: array of 8bit values representing a block of pixels with
// dimension equal to the 'tilewidth' & 'tileheight' parameters to
// ::specific_init(). Each value specifies an index into the
// array of colors you allocated for ::palette_change()
// x0: x origin of tile
// y0: y origin of tile
//
// note: origin of tile and of window based on (0,0) being in the upper
// left of the window.
void bx_term_gui_c::graphics_tile_update(Bit8u *tile, unsigned x0, unsigned y0)
{
}
// ::DIMENSION_UPDATE()
//
// Called when the VGA mode changes it's X,Y dimensions.
// Resize the window to this size, but you need to add on
// the height of the headerbar to the Y value.
//
// x: new VGA x size
// y: new VGA y size (add headerbar_y parameter from ::specific_init().
// fheight: new VGA character height in text mode
// fwidth : new VGA character width in text mode
// bpp : bits per pixel in graphics mode
void bx_term_gui_c::dimension_update(unsigned x, unsigned y, unsigned fheight, unsigned fwidth, unsigned bpp)
{
if (bpp > 8) {
BX_PANIC(("%d bpp graphics mode not supported", bpp));
}
if (fheight > 0) {
text_cols = x / fwidth;
text_rows = y / fheight;
#if BX_HAVE_COLOR_SET
color_set(7, NULL);
#endif
#if BX_HAVE_MVHLINE
if (LINES > (int)text_rows) {
mvhline(text_rows, 0, ACS_HLINE, text_cols);
}
#endif
#if BX_HAVE_MVVLINE
if (COLS > (int)text_cols) {
mvvline(0, text_cols, ACS_VLINE, text_rows);
}
#endif
if ((LINES > (int)text_rows) && (COLS > (int)text_cols)) {
mvaddch(text_rows, text_cols, ACS_LRCORNER);
}
}
}
// ::CREATE_BITMAP()
//
// Create a monochrome bitmap of size 'xdim' by 'ydim', which will
// be drawn in the headerbar. Return an integer ID to the bitmap,
// with which the bitmap can be referenced later.
//
// bmap: packed 8 pixels-per-byte bitmap. The pixel order is:
// bit0 is the left most pixel, bit7 is the right most pixel.
// xdim: x dimension of bitmap
// ydim: y dimension of bitmap
unsigned bx_term_gui_c::create_bitmap(const unsigned char *bmap, unsigned xdim, unsigned ydim)
{
return(0);
}
// ::HEADERBAR_BITMAP()
//
// Called to install a bitmap in the bochs headerbar (toolbar).
//
// bmap_id: will correspond to an ID returned from
// ::create_bitmap(). 'alignment' is either BX_GRAVITY_LEFT
// or BX_GRAVITY_RIGHT, meaning install the bitmap in the next
// available leftmost or rightmost space.
// alignment: is either BX_GRAVITY_LEFT or BX_GRAVITY_RIGHT,
// meaning install the bitmap in the next
// available leftmost or rightmost space.
// f: a 'C' function pointer to callback when the mouse is clicked in
// the boundaries of this bitmap.
unsigned bx_term_gui_c::headerbar_bitmap(unsigned bmap_id, unsigned alignment, void (*f)(void))
{
return(0);
}
// ::SHOW_HEADERBAR()
//
// Show (redraw) the current headerbar, which is composed of
// currently installed bitmaps.
void bx_term_gui_c::show_headerbar(void)
{
}
// ::REPLACE_BITMAP()
//
// Replace the bitmap installed in the headerbar ID slot 'hbar_id',
// with the one specified by 'bmap_id'. 'bmap_id' will have
// been generated by ::create_bitmap(). The old and new bitmap
// must be of the same size. This allows the bitmap the user
// sees to change, when some action occurs. For example when
// the user presses on the floppy icon, it then displays
// the ejected status.
//
// hbar_id: headerbar slot ID
// bmap_id: bitmap ID
void bx_term_gui_c::replace_bitmap(unsigned hbar_id, unsigned bmap_id)
{
}
// ::EXIT()
//
// Called before bochs terminates, to allow for a graceful
// exit from the native GUI mechanism.
void bx_term_gui_c::exit(void)
{
if (!initialized) return;
clear();
flush();
endwin();
BX_DEBUG(("exiting"));
}
void bx_term_gui_c::mouse_enabled_changed_specific(bx_bool val)
{
}
#if BX_USE_IDLE_HACK
void bx_term_gui_c::sim_is_idle()
{
int res;
fd_set readfds;
struct timeval timeout;
timeout.tv_sec = 0;
timeout.tv_usec = 1000; /* 1/1000 s */
FD_ZERO(&readfds);
FD_SET(0, &readfds); // Wait for input
res = select(1, &readfds, NULL, NULL, &timeout);
switch(res)
{
case -1: /* select() error - should not happen */
// This can happen when we have a alarm running, lets return
// perror("sim_is_idle: select() failure\n");
//handle_events();
return;
case 0: /* timeout */
//handle_events();
return;
}
//handle_events();
}
#endif
#endif /* if BX_WITH_TERM */
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