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New features for QEMU text console, by Stefan Weil. 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3068 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-07-11 23:14:59 +00:00
parent 37a4c5392d
commit af3a903106
4 changed files with 61 additions and 21 deletions
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61
console.c
View File

@ -104,10 +104,16 @@ int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
return len1;
}
typedef enum {
GRAPHIC_CONSOLE,
TEXT_CONSOLE,
TEXT_CONSOLE_FIXED_SIZE
} console_type_t;
/* ??? This is mis-named.
It is used for both text and graphical consoles. */
struct TextConsole {
int text_console; /* true if text console */
console_type_t console_type;
DisplayState *ds;
/* Graphic console state. */
vga_hw_update_ptr hw_update;
@ -587,7 +593,7 @@ static void console_scroll(int ydelta)
int i, y1;
s = active_console;
if (!s || !s->text_console)
if (!s || (s->console_type == GRAPHIC_CONSOLE))
return;
if (ydelta > 0) {
@ -990,13 +996,17 @@ void console_select(unsigned int index)
s = consoles[index];
if (s) {
active_console = s;
if (s->text_console) {
if (s->console_type != GRAPHIC_CONSOLE) {
if (s->g_width != s->ds->width ||
s->g_height != s->ds->height) {
if (s->console_type == TEXT_CONSOLE_FIXED_SIZE) {
dpy_resize(s->ds, s->g_width, s->g_height);
} else {
s->g_width = s->ds->width;
s->g_height = s->ds->height;
text_console_resize(s);
}
}
console_refresh(s);
} else {
vga_hw_invalidate();
@ -1062,7 +1072,7 @@ void kbd_put_keysym(int keysym)
int c;
s = active_console;
if (!s || !s->text_console)
if (!s || (s->console_type == GRAPHIC_CONSOLE))
return;
switch(keysym) {
@ -1104,7 +1114,7 @@ void kbd_put_keysym(int keysym)
}
}
static TextConsole *new_console(DisplayState *ds, int text)
static TextConsole *new_console(DisplayState *ds, console_type_t console_type)
{
TextConsole *s;
int i;
@ -1115,16 +1125,18 @@ static TextConsole *new_console(DisplayState *ds, int text)
if (!s) {
return NULL;
}
if (!active_console || (active_console->text_console && !text))
if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
(console_type == GRAPHIC_CONSOLE))) {
active_console = s;
}
s->ds = ds;
s->text_console = text;
if (text) {
s->console_type = console_type;
if (console_type != GRAPHIC_CONSOLE) {
consoles[nb_consoles++] = s;
} else {
/* HACK: Put graphical consoles before text consoles. */
for (i = nb_consoles; i > 0; i--) {
if (!consoles[i - 1]->text_console)
if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
break;
consoles[i] = consoles[i - 1];
}
@ -1140,7 +1152,7 @@ TextConsole *graphic_console_init(DisplayState *ds, vga_hw_update_ptr update,
{
TextConsole *s;
s = new_console(ds, 0);
s = new_console(ds, GRAPHIC_CONSOLE);
if (!s)
return NULL;
s->hw_update = update;
@ -1152,20 +1164,22 @@ TextConsole *graphic_console_init(DisplayState *ds, vga_hw_update_ptr update,
int is_graphic_console(void)
{
return !active_console->text_console;
return active_console->console_type == GRAPHIC_CONSOLE;
}
CharDriverState *text_console_init(DisplayState *ds)
CharDriverState *text_console_init(DisplayState *ds, const char *p)
{
CharDriverState *chr;
TextConsole *s;
int i,j;
unsigned width;
unsigned height;
static int color_inited;
chr = qemu_mallocz(sizeof(CharDriverState));
if (!chr)
return NULL;
s = new_console(ds, 1);
s = new_console(ds, (p == 0) ? TEXT_CONSOLE : TEXT_CONSOLE_FIXED_SIZE);
if (!s) {
free(chr);
return NULL;
@ -1193,8 +1207,25 @@ CharDriverState *text_console_init(DisplayState *ds)
s->total_height = DEFAULT_BACKSCROLL;
s->x = 0;
s->y = 0;
s->g_width = s->ds->width;
s->g_height = s->ds->height;
width = s->ds->width;
height = s->ds->height;
if (p != 0) {
width = strtoul(p, (char **)&p, 10);
if (*p == 'C') {
p++;
width *= FONT_WIDTH;
}
if (*p == 'x') {
p++;
height = strtoul(p, (char **)&p, 10);
if (*p == 'C') {
p++;
height *= FONT_HEIGHT;
}
}
}
s->g_width = width;
s->g_height = height;
/* Set text attribute defaults */
s->t_attrib_default.bold = 0;

11
qemu-doc.texi
View File

@ -555,8 +555,15 @@ Use @code{-serial none} to disable all serial ports.
Available character devices are:
@table @code
@item vc
Virtual console
@item vc[:WxH]
Virtual console. Optionally, a width and height can be given in pixel with
@example
vc:800x600
@end example
It is also possible to specify width or height in characters:
@example
vc:80Cx24C
@end example
@item pty
[Linux only] Pseudo TTY (a new PTY is automatically allocated)
@item none

8
vl.c
View File

@ -2923,7 +2923,9 @@ CharDriverState *qemu_chr_open(const char *filename)
const char *p;
if (!strcmp(filename, "vc")) {
return text_console_init(&display_state);
return text_console_init(&display_state, 0);
} else if (strstart(filename, "vc:", &p)) {
return text_console_init(&display_state, p);
} else if (!strcmp(filename, "null")) {
return qemu_chr_open_null();
} else
@ -7970,7 +7972,7 @@ int main(int argc, char **argv)
devname);
exit(1);
}
if (!strcmp(devname, "vc"))
if (strstart(devname, "vc", 0))
qemu_chr_printf(serial_hds[i], "serial%d console\r\n", i);
}
}
@ -7984,7 +7986,7 @@ int main(int argc, char **argv)
devname);
exit(1);
}
if (!strcmp(devname, "vc"))
if (strstart(devname, "vc", 0))
qemu_chr_printf(parallel_hds[i], "parallel%d console\r\n", i);
}
}

2
vl.h
View File

@ -351,7 +351,7 @@ void vga_hw_invalidate(void);
void vga_hw_screen_dump(const char *filename);
int is_graphic_console(void);
CharDriverState *text_console_init(DisplayState *ds);
CharDriverState *text_console_init(DisplayState *ds, const char *p);
void console_select(unsigned int index);
/* serial ports */