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console: Implementing blinking of cursor

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Let the text console cursor blink at 2 HZ.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Jan Kiszka 2012-07-10 22:00:55 +02:00 committed by Blue Swirl
parent 417c9d72d4
commit bf1bed81c9
1 changed files with 25 additions and 1 deletions
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26
console.c
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@ -28,6 +28,7 @@
//#define DEBUG_CONSOLE
#define DEFAULT_BACKSCROLL 512
#define MAX_CONSOLES 12
#define CONSOLE_CURSOR_PERIOD 500
#define QEMU_RGBA(r, g, b, a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
#define QEMU_RGB(r, g, b) QEMU_RGBA(r, g, b, 0xff)
@ -139,6 +140,8 @@ struct TextConsole {
TextCell *cells;
int text_x[2], text_y[2], cursor_invalidate;
int echo;
bool cursor_visible_phase;
QEMUTimer *cursor_timer;
int update_x0;
int update_y0;
@ -615,7 +618,7 @@ static void console_show_cursor(TextConsole *s, int show)
y += s->total_height;
if (y < s->height) {
c = &s->cells[y1 * s->width + x];
if (show) {
if (show && s->cursor_visible_phase) {
TextAttributes t_attrib = s->t_attrib_default;
t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
vga_putcharxy(s->ds, x, y, c->ch, &t_attrib);
@ -1083,6 +1086,10 @@ void console_select(unsigned int index)
s = consoles[index];
if (s) {
DisplayState *ds = s->ds;
if (active_console->cursor_timer) {
qemu_del_timer(active_console->cursor_timer);
}
active_console = s;
if (ds_get_bits_per_pixel(s->ds)) {
ds->surface = qemu_resize_displaysurface(ds, s->g_width, s->g_height);
@ -1090,6 +1097,10 @@ void console_select(unsigned int index)
s->ds->surface->width = s->width;
s->ds->surface->height = s->height;
}
if (s->cursor_timer) {
qemu_mod_timer(s->cursor_timer,
qemu_get_clock_ms(rt_clock) + CONSOLE_CURSOR_PERIOD / 2);
}
dpy_resize(s->ds);
vga_hw_invalidate();
}
@ -1454,6 +1465,16 @@ static void text_console_set_echo(CharDriverState *chr, bool echo)
s->echo = echo;
}
static void text_console_update_cursor(void *opaque)
{
TextConsole *s = opaque;
s->cursor_visible_phase = !s->cursor_visible_phase;
vga_hw_invalidate();
qemu_mod_timer(s->cursor_timer,
qemu_get_clock_ms(rt_clock) + CONSOLE_CURSOR_PERIOD / 2);
}
static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
{
TextConsole *s;
@ -1482,6 +1503,9 @@ static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
s->g_height = ds_get_height(s->ds);
}
s->cursor_timer =
qemu_new_timer_ms(rt_clock, text_console_update_cursor, s);
s->hw_invalidate = text_console_invalidate;
s->hw_text_update = text_console_update;
s->hw = s;