Avoid asprintf() which is not available on mingw

[qemu.git] / console.c

diff --git a/console.c b/console.c
index 744ef2d810682dce4f6eaacf4aede3a7957a92a2..4525cc70b87bb287dd05c2a723d9a77b0612d20c 100644 (file)
--- 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 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;
@@ -176,17 +179,23 @@ void vga_hw_invalidate(void)
 void vga_hw_screen_dump(const char *filename)
 {
     TextConsole *previous_active_console;
+    bool cswitch;
 
     previous_active_console = active_console;
+    cswitch = previous_active_console && previous_active_console->index != 0;
 
     /* There is currently no way of specifying which screen we want to dump,
        so always dump the first one.  */
-    console_select(0);
+    if (cswitch) {
+        console_select(0);
+    }
     if (consoles[0] && consoles[0]->hw_screen_dump) {
-        consoles[0]->hw_screen_dump(consoles[0]->hw, filename);
+        consoles[0]->hw_screen_dump(consoles[0]->hw, filename, cswitch);
+    } else {
+        error_report("screen dump not implemented");
     }
 
-    if (previous_active_console) {
+    if (cswitch) {
         console_select(previous_active_console->index);
     }
 }
@@ -609,7 +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);
@@ -1077,6 +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);
@@ -1084,6 +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();
     }
@@ -1448,6 +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;
@@ -1476,6 +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;