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gtk: implement set_echo 

Even without line editing, this makes -qmp vc more pleasant with the
GTK+ backend.  The only issue is that set_echo is invoked very early,
long before a vc is actually associated with a VirtualConsole.  To work
around this, create a temporary VirtualConsole until then.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1450356422-31710-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-12-17 13:47:02 +01:00 committed by Gerd Hoffmann
parent 4aaddc2976
commit fba958c692
2 changed files with 45 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/ui/gtk.h
View File

@ -61,6 +61,7 @@ typedef struct VirtualVteConsole {
GtkWidget *scrollbar;
GtkWidget *terminal;
CharDriverState *chr;
bool echo;
} VirtualVteConsole;
#endif

45
ui/gtk.c
View File

@ -1588,6 +1588,13 @@ static int gd_vc_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
return len;
}
static void gd_vc_chr_set_echo(CharDriverState *chr, bool echo)
{
VirtualConsole *vc = chr->opaque;
vc->vte.echo = echo;
}
static int nb_vcs;
static CharDriverState *vcs[MAX_VCS];
@ -1597,6 +1604,11 @@ static CharDriverState *gd_vc_handler(ChardevVC *unused, Error **errp)
chr = g_malloc0(sizeof(*chr));
chr->chr_write = gd_vc_chr_write;
chr->chr_set_echo = gd_vc_chr_set_echo;
/* Temporary, until gd_vc_vte_init runs. */
chr->opaque = g_new(VirtualConsole, 1);
/* defer OPENED events until our vc is fully initialized */
chr->explicit_be_open = true;
@ -1610,6 +1622,24 @@ static gboolean gd_vc_in(VteTerminal *terminal, gchar *text, guint size,
{
VirtualConsole *vc = user_data;
if (vc->vte.echo) {
VteTerminal *term = VTE_TERMINAL(vc->vte.terminal);
int i;
for (i = 0; i < size; i++) {
uint8_t c = text[i];
if (c >= 128 || isprint(c)) {
/* 8-bit characters are considered printable. */
vte_terminal_feed(term, &text[i], 1);
} else if (c == '\r' || c == '\n') {
vte_terminal_feed(term, "\r\n", 2);
} else {
char ctrl[2] = { '^', 0};
ctrl[1] = text[i] ^ 64;
vte_terminal_feed(term, ctrl, 2);
}
}
}
qemu_chr_be_write(vc->vte.chr, (uint8_t *)text, (unsigned int)size);
return TRUE;
}
@ -1622,9 +1652,14 @@ static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
GtkWidget *box;
GtkWidget *scrollbar;
GtkAdjustment *vadjustment;
VirtualConsole *tmp_vc = chr->opaque;
vc->s = s;
vc->vte.echo = tmp_vc->vte.echo;
vc->vte.chr = chr;
chr->opaque = vc;
g_free(tmp_vc);
snprintf(buffer, sizeof(buffer), "vc%d", idx);
vc->label = g_strdup_printf("%s", vc->vte.chr->label
@ -1634,6 +1669,15 @@ static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
vc->vte.terminal = vte_terminal_new();
g_signal_connect(vc->vte.terminal, "commit", G_CALLBACK(gd_vc_in), vc);
/* The documentation says that the default is UTF-8, but actually it is
* 7-bit ASCII at least in VTE 0.38.
*/
#if VTE_CHECK_VERSION(0, 40, 0)
vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8", NULL);
#else
vte_terminal_set_encoding(VTE_TERMINAL(vc->vte.terminal), "UTF-8");
#endif
vte_terminal_set_scrollback_lines(VTE_TERMINAL(vc->vte.terminal), -1);
vte_terminal_set_size(VTE_TERMINAL(vc->vte.terminal),
VC_TERM_X_MIN, VC_TERM_Y_MIN);
@ -1656,7 +1700,6 @@ static GSList *gd_vc_vte_init(GtkDisplayState *s, VirtualConsole *vc,
gtk_box_pack_start(GTK_BOX(box), vc->vte.terminal, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), scrollbar, FALSE, FALSE, 0);
vc->vte.chr->opaque = vc;
vc->vte.box = box;
vc->vte.scrollbar = scrollbar;