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[Qemu-devel] [PATCH] console: Implementing blinking of cursor
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [PATCH] console: Implementing blinking of cursor |
Date: |
Mon, 02 Jul 2012 10:20:17 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
Let the text console cursor blink at 5 HZ.
Signed-off-by: Jan Kiszka <address@hidden>
---
console.c | 26 +++++++++++++++++++++++++-
1 files changed, 25 insertions(+), 1 deletions(-)
diff --git a/console.c b/console.c
index 6a463f5..29b0f1c 100644
--- a/console.c
+++ b/console.c
@@ -28,6 +28,7 @@
//#define DEBUG_CONSOLE
#define DEFAULT_BACKSCROLL 512
#define MAX_CONSOLES 12
+#define CONSOLE_CURSOR_PERIOD 200
#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;
+ int cursor_blink_state;
+ 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_blink_state) {
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);
+ }
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_blink_state ^= 1;
+ vga_hw_invalidate();
+ qemu_mod_timer(s->cursor_timer,
+ qemu_get_clock_ms(rt_clock) + CONSOLE_CURSOR_PERIOD);
+}
+
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;
--
1.7.3.4
- [Qemu-devel] [PATCH] console: Implementing blinking of cursor,
Jan Kiszka <=