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ui: better unicode support for curses, v2.
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iQIcBAABAgAGBQJciLFoAAoJEEy22O7T6HE4mI8P/AknxbxN0IROgo/GX9aZMnIQ JiqbYxj4SSXL8P+0IqgsdGXwggGlcnpM8XQa/I1e6yEl7jHQv7sccMb4EZotRJOR k1zeXv4ie8SY7vMOW4MfdbjZ22FKwQ4kTAlRGUAmk1NcuqpmWTH9qwBWgegfiHYP DVqroDf34U32kuDmo4T+m4I5Sgn0uugrD525Z9M6yN3V0dCuPbncb297X9aPd+Ou xrZ50iAT3sfMNIBJU4JjEBQm+jxt2JOupWhsqLwiT7jwzo65vooLgYm4MdF3iGFv hvFEUkE5XdauC7eRuEsmLAtWQ7BzzEFPBZKgexDDRMDQ4ROWxbnUDNqfRmIzxHfG AeCuHn2/iuE4IycoDqE919LOBm/TnPb08Xe9ly7tMXS7NQGsctgruI3DOA7CCjLo ZoTNSHElVmmjDTS5yMWyrYMEkO+W4pjC2+7vAKfj3KvW0RYG+kG1tkWIIsZogZ7C XmcLAKLH9RQVH0UBC0wgHHs36fGnr3DP4WsLKdSrh3OhYXSPClNM+RD7YwTu5c3j +vnCgpqU3yW6Bk9oBP+tiG+KgltaS+tieoGNsvvE41pqV152WuUx9sqiK4ItA9i3 /aEN+YE2bbWnqPAKGpzC8JiNyD75VopkxkuvKkq7TERvC+2ew0USeqfmS1GSedyg pYnwJoJGQa1bCBUmf/S/ =gcY1 -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/kraxel/tags/ui-20190313-pull-request' into staging ui: better unicode support for curses, v2. # gpg: Signature made Wed 13 Mar 2019 07:29:44 GMT # gpg: using RSA key 4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full] # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" [full] # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full] # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/ui-20190313-pull-request: curses: add option to specify VGA font encoding iconv: detect and make curses depend on it Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell
commit
85ce84489a
60
configure
vendored
60
configure
vendored
|
|
@ -1224,6 +1224,10 @@ for opt do
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;;
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--enable-curses) curses="yes"
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;;
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--disable-iconv) iconv="no"
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;;
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--enable-iconv) iconv="yes"
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;;
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--disable-curl) curl="no"
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;;
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--enable-curl) curl="yes"
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|
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@ -1713,6 +1717,7 @@ disabled with --disable-FEATURE, default is enabled if available:
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gtk gtk UI
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vte vte support for the gtk UI
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curses curses UI
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iconv font glyph conversion support
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vnc VNC UI support
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vnc-sasl SASL encryption for VNC server
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vnc-jpeg JPEG lossy compression for VNC server
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@ -3434,8 +3439,52 @@ EOF
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fi
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fi
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##########################################
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# iconv probe
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if test "$iconv" != "no" ; then
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cat > $TMPC << EOF
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#include <iconv.h>
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int main(void) {
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iconv_t conv = iconv_open("WCHAR_T", "UCS-2");
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return conv != (iconv_t) -1;
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}
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EOF
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iconv_prefix_list="/usr/local:/usr"
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iconv_lib_list=":-liconv"
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IFS=:
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for iconv_prefix in $iconv_prefix_list; do
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IFS=:
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iconv_cflags="-I$iconv_prefix/include"
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iconv_ldflags="-L$iconv_prefix/lib"
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for iconv_link in $iconv_lib_list; do
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unset IFS
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iconv_lib="$iconv_ldflags $iconv_link"
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echo "looking at iconv in '$iconv_cflags' '$iconv_lib'" >> config.log
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if compile_prog "$iconv_cflags" "$iconv_lib" ; then
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iconv_found=yes
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break
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fi
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done
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if test "$iconv_found" = yes ; then
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break
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fi
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done
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if test "$iconv_found" = "yes" ; then
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iconv=yes
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else
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if test "$iconv" = "yes" ; then
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feature_not_found "iconv" "Install iconv devel"
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fi
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iconv=no
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fi
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fi
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##########################################
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# curses probe
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if test "$iconv" = "no" ; then
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# curses will need iconv
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curses=no
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fi
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if test "$curses" != "no" ; then
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if test "$mingw32" = "yes" ; then
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curses_inc_list="$($pkg_config --cflags ncurses 2>/dev/null):"
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@ -3449,14 +3498,17 @@ if test "$curses" != "no" ; then
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#include <locale.h>
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#include <curses.h>
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#include <wchar.h>
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#include <langinfo.h>
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int main(void) {
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const char *codeset;
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wchar_t wch = L'w';
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setlocale(LC_ALL, "");
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resize_term(0, 0);
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addwstr(L"wide chars\n");
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addnwstr(&wch, 1);
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add_wch(WACS_DEGREE);
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return 0;
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codeset = nl_langinfo(CODESET);
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return codeset != 0;
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}
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EOF
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IFS=:
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@ -6251,6 +6303,7 @@ echo "libgcrypt $gcrypt"
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echo "nettle $nettle $(echo_version $nettle $nettle_version)"
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echo "libtasn1 $tasn1"
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echo "PAM $auth_pam"
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echo "iconv support $iconv"
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echo "curses support $curses"
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echo "virgl support $virglrenderer $(echo_version $virglrenderer $virgl_version)"
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echo "curl support $curl"
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@ -6586,6 +6639,11 @@ fi
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if test "$cocoa" = "yes" ; then
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echo "CONFIG_COCOA=y" >> $config_host_mak
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fi
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if test "$iconv" = "yes" ; then
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echo "CONFIG_ICONV=y" >> $config_host_mak
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echo "ICONV_CFLAGS=$iconv_cflags" >> $config_host_mak
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echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak
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fi
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if test "$curses" = "yes" ; then
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echo "CONFIG_CURSES=m" >> $config_host_mak
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echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak
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14
qapi/ui.json
14
qapi/ui.json
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@ -1080,6 +1080,19 @@
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{ 'enum' : 'DisplayGLMode',
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'data' : [ 'off', 'on', 'core', 'es' ] }
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##
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# @DisplayCurses:
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#
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# Curses display options.
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#
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# @charset: Font charset used by guest (default: CP437).
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#
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# Since: 4.0
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#
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##
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{ 'struct' : 'DisplayCurses',
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'data' : { '*charset' : 'str' } }
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##
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# @DisplayType:
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#
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@ -1142,6 +1155,7 @@
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'*gl' : 'DisplayGLMode' },
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'discriminator' : 'type',
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'data' : { 'gtk' : 'DisplayGTK',
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'curses' : 'DisplayCurses',
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'egl-headless' : 'DisplayEGLHeadless'} }
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##
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@ -1446,7 +1446,7 @@ DEF("display", HAS_ARG, QEMU_OPTION_display,
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" [,window_close=on|off][,gl=on|core|es|off]\n"
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"-display gtk[,grab_on_hover=on|off][,gl=on|off]|\n"
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"-display vnc=<display>[,<optargs>]\n"
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"-display curses\n"
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"-display curses[,charset=<encoding>]\n"
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"-display none\n"
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"-display egl-headless[,rendernode=<file>]"
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" select display type\n"
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@ -1478,6 +1478,9 @@ support a text mode, QEMU can display this output using a
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curses/ncurses interface. Nothing is displayed when the graphics
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device is in graphical mode or if the graphics device does not support
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a text mode. Generally only the VGA device models support text mode.
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The font charset used by the guest can be specified with the
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@code{charset} option, for example @code{charset=CP850} for IBM CP850
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encoding. The default is @code{CP437}.
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@item none
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Do not display video output. The guest will still see an emulated
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graphics card, but its output will not be displayed to the QEMU
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@ -46,8 +46,8 @@ endif
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common-obj-$(CONFIG_CURSES) += curses.mo
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curses.mo-objs := curses.o
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curses.mo-cflags := $(CURSES_CFLAGS)
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curses.mo-libs := $(CURSES_LIBS)
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curses.mo-cflags := $(CURSES_CFLAGS) $(ICONV_CFLAGS)
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curses.mo-libs := $(CURSES_LIBS) $(ICONV_LIBS)
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common-obj-$(call land,$(CONFIG_SPICE),$(CONFIG_GIO)) += spice-app.mo
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spice-app.mo-objs := spice-app.o
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315
ui/curses.c
315
ui/curses.c
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@ -27,6 +27,10 @@
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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 <locale.h>
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#include <wchar.h>
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#include <langinfo.h>
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#include <iconv.h>
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#include "qapi/error.h"
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#include "qemu-common.h"
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@ -54,25 +58,30 @@ 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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static chtype vga_to_curses[256];
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static const char *font_charset = "CP437";
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static cchar_t 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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console_ch_t *line;
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chtype curses_line[width];
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cchar_t curses_line[width];
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line = screen + y * width;
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for (h += y; y < h; y ++, line += width) {
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for (x = 0; x < width; x++) {
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chtype ch = line[x] & 0xff;
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chtype at = line[x] & ~0xff;
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if (vga_to_curses[ch]) {
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ch = vga_to_curses[ch];
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if (vga_to_curses[ch].chars[0]) {
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curses_line[x] = vga_to_curses[ch];
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} else {
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curses_line[x].chars[0] = ch;
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curses_line[x].chars[1] = 0;
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curses_line[x].attr = 0;
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}
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curses_line[x] = ch | at;
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curses_line[x].attr |= at;
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}
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mvwaddchnstr(screenpad, y, 0, curses_line, width);
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mvwadd_wchnstr(screenpad, y, 0, curses_line, width);
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}
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pnoutrefresh(screenpad, py, px, sminy, sminx, smaxy - 1, smaxx - 1);
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@ -391,6 +400,254 @@ static void curses_atexit(void)
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endwin();
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}
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/* Setup wchar glyph for one UCS-2 char */
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static void convert_ucs(int glyph, uint16_t ch, iconv_t conv)
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{
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wchar_t wch;
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char *pch, *pwch;
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size_t sch, swch;
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pch = (char *) &ch;
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pwch = (char *) &wch;
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sch = sizeof(ch);
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swch = sizeof(wch);
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if (iconv(conv, &pch, &sch, &pwch, &swch) == (size_t) -1) {
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fprintf(stderr, "Could not convert 0x%04x from UCS-2 to WCHAR_T: %s\n",
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ch, strerror(errno));
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} else {
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vga_to_curses[glyph].chars[0] = wch;
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}
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}
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/* Setup wchar glyph for one font character */
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static void convert_font(unsigned char ch, iconv_t conv)
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{
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wchar_t wch;
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char *pch, *pwch;
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size_t sch, swch;
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pch = (char *) &ch;
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pwch = (char *) &wch;
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sch = sizeof(ch);
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swch = sizeof(wch);
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if (iconv(conv, &pch, &sch, &pwch, &swch) == (size_t) -1) {
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fprintf(stderr, "Could not convert 0x%02x from %s to WCHAR_T: %s\n",
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ch, font_charset, strerror(errno));
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} else {
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vga_to_curses[ch].chars[0] = wch;
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}
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}
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|
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/* Convert one wchar to UCS-2 */
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static uint16_t get_ucs(wchar_t wch, iconv_t conv)
|
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{
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uint16_t ch;
|
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char *pch, *pwch;
|
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size_t sch, swch;
|
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|
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pch = (char *) &ch;
|
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pwch = (char *) &wch;
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sch = sizeof(ch);
|
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swch = sizeof(wch);
|
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|
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if (iconv(conv, &pwch, &swch, &pch, &sch) == (size_t) -1) {
|
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fprintf(stderr, "Could not convert 0x%02x from WCHAR_T to UCS-2: %s\n",
|
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wch, strerror(errno));
|
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return 0xFFFD;
|
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}
|
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|
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return ch;
|
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}
|
||||
|
||||
/*
|
||||
* Setup mapping for vga to curses line graphics.
|
||||
*/
|
||||
static void font_setup(void)
|
||||
{
|
||||
/*
|
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* Control characters are normally non-printable, but VGA does have
|
||||
* well-known glyphs for them.
|
||||
*/
|
||||
static uint16_t control_characters[0x20] = {
|
||||
0x0020,
|
||||
0x263a,
|
||||
0x263b,
|
||||
0x2665,
|
||||
0x2666,
|
||||
0x2663,
|
||||
0x2660,
|
||||
0x2022,
|
||||
0x25d8,
|
||||
0x25cb,
|
||||
0x25d9,
|
||||
0x2642,
|
||||
0x2640,
|
||||
0x266a,
|
||||
0x266b,
|
||||
0x263c,
|
||||
0x25ba,
|
||||
0x25c4,
|
||||
0x2195,
|
||||
0x203c,
|
||||
0x00b6,
|
||||
0x00a7,
|
||||
0x25ac,
|
||||
0x21a8,
|
||||
0x2191,
|
||||
0x2193,
|
||||
0x2192,
|
||||
0x2190,
|
||||
0x221f,
|
||||
0x2194,
|
||||
0x25b2,
|
||||
0x25bc
|
||||
};
|
||||
|
||||
iconv_t ucs_to_wchar_conv;
|
||||
iconv_t wchar_to_ucs_conv;
|
||||
iconv_t font_conv;
|
||||
int i;
|
||||
|
||||
ucs_to_wchar_conv = iconv_open("WCHAR_T", "UCS-2");
|
||||
if (ucs_to_wchar_conv == (iconv_t) -1) {
|
||||
fprintf(stderr, "Could not convert font glyphs from UCS-2: '%s'\n",
|
||||
strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
wchar_to_ucs_conv = iconv_open("UCS-2", "WCHAR_T");
|
||||
if (wchar_to_ucs_conv == (iconv_t) -1) {
|
||||
fprintf(stderr, "Could not convert font glyphs to UCS-2: '%s'\n",
|
||||
strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
font_conv = iconv_open("WCHAR_T", font_charset);
|
||||
if (font_conv == (iconv_t) -1) {
|
||||
fprintf(stderr, "Could not convert font glyphs from %s: '%s'\n",
|
||||
font_charset, strerror(errno));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
/* Control characters */
|
||||
for (i = 0; i <= 0x1F; i++) {
|
||||
convert_ucs(i, control_characters[i], ucs_to_wchar_conv);
|
||||
}
|
||||
|
||||
for (i = 0x20; i <= 0xFF; i++) {
|
||||
convert_font(i, font_conv);
|
||||
}
|
||||
|
||||
/* DEL */
|
||||
convert_ucs(0x7F, 0x2302, ucs_to_wchar_conv);
|
||||
|
||||
if (strcmp(nl_langinfo(CODESET), "UTF-8")) {
|
||||
/* Non-Unicode capable, use termcap equivalents for those available */
|
||||
for (i = 0; i <= 0xFF; i++) {
|
||||
switch (get_ucs(vga_to_curses[i].chars[0], wchar_to_ucs_conv)) {
|
||||
case 0x00a3:
|
||||
vga_to_curses[i] = *WACS_STERLING;
|
||||
break;
|
||||
case 0x2591:
|
||||
vga_to_curses[i] = *WACS_BOARD;
|
||||
break;
|
||||
case 0x2592:
|
||||
vga_to_curses[i] = *WACS_CKBOARD;
|
||||
break;
|
||||
case 0x2502:
|
||||
vga_to_curses[i] = *WACS_VLINE;
|
||||
break;
|
||||
case 0x2524:
|
||||
vga_to_curses[i] = *WACS_RTEE;
|
||||
break;
|
||||
case 0x2510:
|
||||
vga_to_curses[i] = *WACS_URCORNER;
|
||||
break;
|
||||
case 0x2514:
|
||||
vga_to_curses[i] = *WACS_LLCORNER;
|
||||
break;
|
||||
case 0x2534:
|
||||
vga_to_curses[i] = *WACS_BTEE;
|
||||
break;
|
||||
case 0x252c:
|
||||
vga_to_curses[i] = *WACS_TTEE;
|
||||
break;
|
||||
case 0x251c:
|
||||
vga_to_curses[i] = *WACS_LTEE;
|
||||
break;
|
||||
case 0x2500:
|
||||
vga_to_curses[i] = *WACS_HLINE;
|
||||
break;
|
||||
case 0x253c:
|
||||
vga_to_curses[i] = *WACS_PLUS;
|
||||
break;
|
||||
case 0x256c:
|
||||
vga_to_curses[i] = *WACS_LANTERN;
|
||||
break;
|
||||
case 0x256a:
|
||||
vga_to_curses[i] = *WACS_NEQUAL;
|
||||
break;
|
||||
case 0x2518:
|
||||
vga_to_curses[i] = *WACS_LRCORNER;
|
||||
break;
|
||||
case 0x250c:
|
||||
vga_to_curses[i] = *WACS_ULCORNER;
|
||||
break;
|
||||
case 0x2588:
|
||||
vga_to_curses[i] = *WACS_BLOCK;
|
||||
break;
|
||||
case 0x03c0:
|
||||
vga_to_curses[i] = *WACS_PI;
|
||||
break;
|
||||
case 0x00b1:
|
||||
vga_to_curses[i] = *WACS_PLMINUS;
|
||||
break;
|
||||
case 0x2265:
|
||||
vga_to_curses[i] = *WACS_GEQUAL;
|
||||
break;
|
||||
case 0x2264:
|
||||
vga_to_curses[i] = *WACS_LEQUAL;
|
||||
break;
|
||||
case 0x00b0:
|
||||
vga_to_curses[i] = *WACS_DEGREE;
|
||||
break;
|
||||
case 0x25a0:
|
||||
vga_to_curses[i] = *WACS_BULLET;
|
||||
break;
|
||||
case 0x2666:
|
||||
vga_to_curses[i] = *WACS_DIAMOND;
|
||||
break;
|
||||
case 0x2192:
|
||||
vga_to_curses[i] = *WACS_RARROW;
|
||||
break;
|
||||
case 0x2190:
|
||||
vga_to_curses[i] = *WACS_LARROW;
|
||||
break;
|
||||
case 0x2191:
|
||||
vga_to_curses[i] = *WACS_UARROW;
|
||||
break;
|
||||
case 0x2193:
|
||||
vga_to_curses[i] = *WACS_DARROW;
|
||||
break;
|
||||
case 0x23ba:
|
||||
vga_to_curses[i] = *WACS_S1;
|
||||
break;
|
||||
case 0x23bb:
|
||||
vga_to_curses[i] = *WACS_S3;
|
||||
break;
|
||||
case 0x23bc:
|
||||
vga_to_curses[i] = *WACS_S7;
|
||||
break;
|
||||
case 0x23bd:
|
||||
vga_to_curses[i] = *WACS_S9;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void curses_setup(void)
|
||||
{
|
||||
int i, colour_default[8] = {
|
||||
|
|
@ -420,47 +677,7 @@ static void curses_setup(void)
|
|||
init_pair(i, COLOR_WHITE, COLOR_BLACK);
|
||||
}
|
||||
|
||||
/*
|
||||
* Setup mapping for vga to curses line graphics.
|
||||
* FIXME: for better font, have to use ncursesw and setlocale()
|
||||
*/
|
||||
#if 0
|
||||
/* FIXME: map from where? */
|
||||
ACS_S1;
|
||||
ACS_S3;
|
||||
ACS_S7;
|
||||
ACS_S9;
|
||||
#endif
|
||||
/* ACS_* is not constant. So, we can't initialize statically. */
|
||||
vga_to_curses['\0'] = ' ';
|
||||
vga_to_curses[0x04] = ACS_DIAMOND;
|
||||
vga_to_curses[0x18] = ACS_UARROW;
|
||||
vga_to_curses[0x19] = ACS_DARROW;
|
||||
vga_to_curses[0x1a] = ACS_RARROW;
|
||||
vga_to_curses[0x1b] = ACS_LARROW;
|
||||
vga_to_curses[0x9c] = ACS_STERLING;
|
||||
vga_to_curses[0xb0] = ACS_BOARD;
|
||||
vga_to_curses[0xb1] = ACS_CKBOARD;
|
||||
vga_to_curses[0xb3] = ACS_VLINE;
|
||||
vga_to_curses[0xb4] = ACS_RTEE;
|
||||
vga_to_curses[0xbf] = ACS_URCORNER;
|
||||
vga_to_curses[0xc0] = ACS_LLCORNER;
|
||||
vga_to_curses[0xc1] = ACS_BTEE;
|
||||
vga_to_curses[0xc2] = ACS_TTEE;
|
||||
vga_to_curses[0xc3] = ACS_LTEE;
|
||||
vga_to_curses[0xc4] = ACS_HLINE;
|
||||
vga_to_curses[0xc5] = ACS_PLUS;
|
||||
vga_to_curses[0xce] = ACS_LANTERN;
|
||||
vga_to_curses[0xd8] = ACS_NEQUAL;
|
||||
vga_to_curses[0xd9] = ACS_LRCORNER;
|
||||
vga_to_curses[0xda] = ACS_ULCORNER;
|
||||
vga_to_curses[0xdb] = ACS_BLOCK;
|
||||
vga_to_curses[0xe3] = ACS_PI;
|
||||
vga_to_curses[0xf1] = ACS_PLMINUS;
|
||||
vga_to_curses[0xf2] = ACS_GEQUAL;
|
||||
vga_to_curses[0xf3] = ACS_LEQUAL;
|
||||
vga_to_curses[0xf8] = ACS_DEGREE;
|
||||
vga_to_curses[0xfe] = ACS_BULLET;
|
||||
font_setup();
|
||||
}
|
||||
|
||||
static void curses_keyboard_setup(void)
|
||||
|
|
@ -493,6 +710,10 @@ static void curses_display_init(DisplayState *ds, DisplayOptions *opts)
|
|||
}
|
||||
#endif
|
||||
|
||||
setlocale(LC_CTYPE, "");
|
||||
if (opts->u.curses.charset) {
|
||||
font_charset = opts->u.curses.charset;
|
||||
}
|
||||
curses_setup();
|
||||
curses_keyboard_setup();
|
||||
atexit(curses_atexit);
|
||||
|
|
|
|||
Loading…
Reference in a new issue