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f27ff81070
For builds with Mingw-w64 as it is included in Cygwin, there are two header files which define KEY_EVENT with different values. This results in lots of compiler warnings like this one: CC vl.o In file included from /qemu/include/ui/console.h:340:0, from /qemu/vl.c:76: /usr/i686-w64-mingw32/sys-root/mingw/include/curses.h:1522:0: warning: "KEY_EVENT" redefined #define KEY_EVENT 0633 /* We were interrupted by an event */ In file included from /usr/share/mingw-w64/include/windows.h:74:0, from /usr/share/mingw-w64/include/winsock2.h:23, from /qemu/include/sysemu/os-win32.h:29, from /qemu/include/qemu/osdep.h:100, from /qemu/vl.c:24: /usr/share/mingw-w64/include/wincon.h:101:0: note: this is the location of the previous definition #define KEY_EVENT 0x1 QEMU only uses the KEY_EVENT macro from wincon.h. Therefore we can undefine the macro coming from curses.h. The explicit include statement for curses.h in ui/curses.c is not needed and was removed. Those two modifications fix the redefinition warnings. Signed-off-by: Stefan Weil <sw@weilnetz.de> Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Message-id: 20161119185318.10564-1-sw@weilnetz.de Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
443 lines
12 KiB
C
443 lines
12 KiB
C
/*
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* QEMU curses/ncurses display driver
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*
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* Copyright (c) 2005 Andrzej Zaborowski <balrog@zabor.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#ifndef _WIN32
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#include <sys/ioctl.h>
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#include <termios.h>
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#endif
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#include "qemu-common.h"
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#include "ui/console.h"
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#include "ui/input.h"
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#include "sysemu/sysemu.h"
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#define FONT_HEIGHT 16
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#define FONT_WIDTH 8
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static DisplayChangeListener *dcl;
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static console_ch_t screen[160 * 100];
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static WINDOW *screenpad = NULL;
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static int width, height, gwidth, gheight, invalidate;
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static int px, py, sminx, sminy, smaxx, smaxy;
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chtype vga_to_curses[256];
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static void curses_update(DisplayChangeListener *dcl,
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int x, int y, int w, int h)
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{
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chtype *line;
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line = ((chtype *) screen) + y * width;
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for (h += y; y < h; y ++, line += width)
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mvwaddchnstr(screenpad, y, 0, line, width);
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pnoutrefresh(screenpad, py, px, sminy, sminx, smaxy - 1, smaxx - 1);
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refresh();
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}
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static void curses_calc_pad(void)
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{
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if (qemu_console_is_fixedsize(NULL)) {
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width = gwidth;
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height = gheight;
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} else {
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width = COLS;
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height = LINES;
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}
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if (screenpad)
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delwin(screenpad);
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clear();
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refresh();
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screenpad = newpad(height, width);
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if (width > COLS) {
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px = (width - COLS) / 2;
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sminx = 0;
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smaxx = COLS;
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} else {
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px = 0;
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sminx = (COLS - width) / 2;
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smaxx = sminx + width;
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}
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if (height > LINES) {
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py = (height - LINES) / 2;
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sminy = 0;
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smaxy = LINES;
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} else {
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py = 0;
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sminy = (LINES - height) / 2;
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smaxy = sminy + height;
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}
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}
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static void curses_resize(DisplayChangeListener *dcl,
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int width, int height)
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{
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if (width == gwidth && height == gheight) {
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return;
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}
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gwidth = width;
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gheight = height;
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curses_calc_pad();
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}
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#if !defined(_WIN32) && defined(SIGWINCH) && defined(KEY_RESIZE)
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static volatile sig_atomic_t got_sigwinch;
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static void curses_winch_check(void)
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{
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struct winsize {
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unsigned short ws_row;
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unsigned short ws_col;
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unsigned short ws_xpixel; /* unused */
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unsigned short ws_ypixel; /* unused */
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} ws;
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if (!got_sigwinch) {
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return;
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}
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got_sigwinch = false;
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if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
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return;
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}
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resize_term(ws.ws_row, ws.ws_col);
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invalidate = 1;
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}
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static void curses_winch_handler(int signum)
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{
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got_sigwinch = true;
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}
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static void curses_winch_init(void)
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{
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struct sigaction old, winch = {
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.sa_handler = curses_winch_handler,
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};
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sigaction(SIGWINCH, &winch, &old);
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}
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#else
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static void curses_winch_check(void) {}
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static void curses_winch_init(void) {}
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#endif
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static void curses_cursor_position(DisplayChangeListener *dcl,
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int x, int y)
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{
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if (x >= 0) {
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x = sminx + x - px;
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y = sminy + y - py;
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if (x >= 0 && y >= 0 && x < COLS && y < LINES) {
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move(y, x);
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curs_set(1);
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/* it seems that curs_set(1) must always be called before
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* curs_set(2) for the latter to have effect */
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if (!qemu_console_is_graphic(NULL)) {
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curs_set(2);
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}
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return;
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}
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}
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curs_set(0);
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}
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/* generic keyboard conversion */
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#include "curses_keys.h"
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static kbd_layout_t *kbd_layout = NULL;
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static void curses_refresh(DisplayChangeListener *dcl)
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{
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int chr, keysym, keycode, keycode_alt;
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curses_winch_check();
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if (invalidate) {
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clear();
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refresh();
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curses_calc_pad();
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graphic_hw_invalidate(NULL);
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invalidate = 0;
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}
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graphic_hw_text_update(NULL, screen);
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while (1) {
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/* while there are any pending key strokes to process */
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chr = getch();
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if (chr == ERR)
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break;
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#ifdef KEY_RESIZE
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/* this shouldn't occur when we use a custom SIGWINCH handler */
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if (chr == KEY_RESIZE) {
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clear();
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refresh();
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curses_calc_pad();
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curses_update(dcl, 0, 0, width, height);
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continue;
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}
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#endif
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keycode = curses2keycode[chr];
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keycode_alt = 0;
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/* alt key */
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if (keycode == 1) {
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int nextchr = getch();
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if (nextchr != ERR) {
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chr = nextchr;
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keycode_alt = ALT;
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keycode = curses2keycode[chr];
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if (keycode != -1) {
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keycode |= ALT;
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/* process keys reserved for qemu */
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if (keycode >= QEMU_KEY_CONSOLE0 &&
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keycode < QEMU_KEY_CONSOLE0 + 9) {
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erase();
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wnoutrefresh(stdscr);
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console_select(keycode - QEMU_KEY_CONSOLE0);
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invalidate = 1;
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continue;
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}
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}
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}
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}
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if (kbd_layout) {
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keysym = -1;
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if (chr < CURSES_KEYS)
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keysym = curses2keysym[chr];
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if (keysym == -1) {
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if (chr < ' ') {
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keysym = chr + '@';
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if (keysym >= 'A' && keysym <= 'Z')
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keysym += 'a' - 'A';
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keysym |= KEYSYM_CNTRL;
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} else
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keysym = chr;
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}
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keycode = keysym2scancode(kbd_layout, keysym & KEYSYM_MASK);
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if (keycode == 0)
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continue;
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keycode |= (keysym & ~KEYSYM_MASK) >> 16;
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keycode |= keycode_alt;
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}
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if (keycode == -1)
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continue;
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if (qemu_console_is_graphic(NULL)) {
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/* since terminals don't know about key press and release
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* events, we need to emit both for each key received */
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if (keycode & SHIFT) {
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qemu_input_event_send_key_number(NULL, SHIFT_CODE, true);
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qemu_input_event_send_key_delay(0);
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}
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if (keycode & CNTRL) {
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qemu_input_event_send_key_number(NULL, CNTRL_CODE, true);
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qemu_input_event_send_key_delay(0);
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}
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if (keycode & ALT) {
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qemu_input_event_send_key_number(NULL, ALT_CODE, true);
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qemu_input_event_send_key_delay(0);
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}
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if (keycode & ALTGR) {
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qemu_input_event_send_key_number(NULL, GREY | ALT_CODE, true);
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qemu_input_event_send_key_delay(0);
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}
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qemu_input_event_send_key_number(NULL, keycode & KEY_MASK, true);
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qemu_input_event_send_key_delay(0);
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qemu_input_event_send_key_number(NULL, keycode & KEY_MASK, false);
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qemu_input_event_send_key_delay(0);
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if (keycode & ALTGR) {
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qemu_input_event_send_key_number(NULL, GREY | ALT_CODE, false);
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qemu_input_event_send_key_delay(0);
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}
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if (keycode & ALT) {
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qemu_input_event_send_key_number(NULL, ALT_CODE, false);
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qemu_input_event_send_key_delay(0);
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}
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if (keycode & CNTRL) {
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qemu_input_event_send_key_number(NULL, CNTRL_CODE, false);
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qemu_input_event_send_key_delay(0);
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}
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if (keycode & SHIFT) {
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qemu_input_event_send_key_number(NULL, SHIFT_CODE, false);
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qemu_input_event_send_key_delay(0);
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}
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} else {
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keysym = -1;
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if (chr < CURSES_KEYS) {
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keysym = curses2qemu[chr];
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}
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if (keysym == -1)
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keysym = chr;
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kbd_put_keysym(keysym);
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}
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}
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}
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static void curses_atexit(void)
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{
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endwin();
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}
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static void curses_setup(void)
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{
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int i, colour_default[8] = {
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[QEMU_COLOR_BLACK] = COLOR_BLACK,
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[QEMU_COLOR_BLUE] = COLOR_BLUE,
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[QEMU_COLOR_GREEN] = COLOR_GREEN,
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[QEMU_COLOR_CYAN] = COLOR_CYAN,
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[QEMU_COLOR_RED] = COLOR_RED,
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[QEMU_COLOR_MAGENTA] = COLOR_MAGENTA,
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[QEMU_COLOR_YELLOW] = COLOR_YELLOW,
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[QEMU_COLOR_WHITE] = COLOR_WHITE,
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};
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/* input as raw as possible, let everything be interpreted
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* by the guest system */
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initscr(); noecho(); intrflush(stdscr, FALSE);
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nodelay(stdscr, TRUE); nonl(); keypad(stdscr, TRUE);
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start_color(); raw(); scrollok(stdscr, FALSE);
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/* Make color pair to match color format (3bits bg:3bits fg) */
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for (i = 0; i < 64; i++) {
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init_pair(i, colour_default[i & 7], colour_default[i >> 3]);
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}
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/* Set default color for more than 64 for safety. */
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for (i = 64; i < COLOR_PAIRS; i++) {
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init_pair(i, COLOR_WHITE, COLOR_BLACK);
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}
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/*
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* Setup mapping for vga to curses line graphics.
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* FIXME: for better font, have to use ncursesw and setlocale()
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*/
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#if 0
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/* FIXME: map from where? */
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ACS_S1;
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ACS_S3;
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ACS_S7;
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ACS_S9;
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#endif
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/* ACS_* is not constant. So, we can't initialize statically. */
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vga_to_curses['\0'] = ' ';
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vga_to_curses[0x04] = ACS_DIAMOND;
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vga_to_curses[0x18] = ACS_UARROW;
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vga_to_curses[0x19] = ACS_DARROW;
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vga_to_curses[0x1a] = ACS_RARROW;
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vga_to_curses[0x1b] = ACS_LARROW;
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vga_to_curses[0x9c] = ACS_STERLING;
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vga_to_curses[0xb0] = ACS_BOARD;
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vga_to_curses[0xb1] = ACS_CKBOARD;
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vga_to_curses[0xb3] = ACS_VLINE;
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vga_to_curses[0xb4] = ACS_RTEE;
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vga_to_curses[0xbf] = ACS_URCORNER;
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vga_to_curses[0xc0] = ACS_LLCORNER;
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vga_to_curses[0xc1] = ACS_BTEE;
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vga_to_curses[0xc2] = ACS_TTEE;
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vga_to_curses[0xc3] = ACS_LTEE;
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vga_to_curses[0xc4] = ACS_HLINE;
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vga_to_curses[0xc5] = ACS_PLUS;
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vga_to_curses[0xce] = ACS_LANTERN;
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vga_to_curses[0xd8] = ACS_NEQUAL;
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vga_to_curses[0xd9] = ACS_LRCORNER;
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vga_to_curses[0xda] = ACS_ULCORNER;
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vga_to_curses[0xdb] = ACS_BLOCK;
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vga_to_curses[0xe3] = ACS_PI;
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vga_to_curses[0xf1] = ACS_PLMINUS;
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vga_to_curses[0xf2] = ACS_GEQUAL;
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vga_to_curses[0xf3] = ACS_LEQUAL;
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vga_to_curses[0xf8] = ACS_DEGREE;
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vga_to_curses[0xfe] = ACS_BULLET;
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}
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static void curses_keyboard_setup(void)
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{
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#if defined(__APPLE__)
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/* always use generic keymaps */
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if (!keyboard_layout)
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keyboard_layout = "en-us";
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#endif
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if(keyboard_layout) {
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kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);
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if (!kbd_layout)
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exit(1);
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}
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}
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static const DisplayChangeListenerOps dcl_ops = {
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.dpy_name = "curses",
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.dpy_text_update = curses_update,
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.dpy_text_resize = curses_resize,
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.dpy_refresh = curses_refresh,
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.dpy_text_cursor = curses_cursor_position,
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};
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void curses_display_init(DisplayState *ds, int full_screen)
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{
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#ifndef _WIN32
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if (!isatty(1)) {
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fprintf(stderr, "We need a terminal output\n");
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exit(1);
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}
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#endif
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curses_setup();
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curses_keyboard_setup();
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atexit(curses_atexit);
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curses_winch_init();
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dcl = g_new0(DisplayChangeListener, 1);
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dcl->ops = &dcl_ops;
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register_displaychangelistener(dcl);
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invalidate = 1;
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}
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