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Diffstat (limited to 'qemu/ui/sdl.c')
-rw-r--r--qemu/ui/sdl.c28
1 files changed, 26 insertions, 2 deletions
diff --git a/qemu/ui/sdl.c b/qemu/ui/sdl.c
index 3be29101e..d8cf5bcf7 100644
--- a/qemu/ui/sdl.c
+++ b/qemu/ui/sdl.c
@@ -25,10 +25,12 @@
/* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
#undef WIN32_LEAN_AND_MEAN
+#include "qemu/osdep.h"
#include <SDL.h>
#include <SDL_syswm.h>
#include "qemu-common.h"
+#include "qemu/cutils.h"
#include "ui/console.h"
#include "ui/input.h"
#include "sysemu/sysemu.h"
@@ -60,6 +62,11 @@ static SDL_Cursor *guest_sprite = NULL;
static SDL_PixelFormat host_format;
static int scaling_active = 0;
static Notifier mouse_mode_notifier;
+static int idle_counter;
+
+#define SDL_REFRESH_INTERVAL_BUSY 10
+#define SDL_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \
+ / SDL_REFRESH_INTERVAL_BUSY + 1)
#if 0
#define DEBUG_SDL
@@ -465,7 +472,7 @@ static void sdl_mouse_mode_change(Notifier *notify, void *data)
static void sdl_send_mouse_event(int dx, int dy, int x, int y, int state)
{
- static uint32_t bmap[INPUT_BUTTON_MAX] = {
+ static uint32_t bmap[INPUT_BUTTON__MAX] = {
[INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT),
[INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE),
[INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT),
@@ -802,6 +809,7 @@ static void handle_activation(SDL_Event *ev)
static void sdl_refresh(DisplayChangeListener *dcl)
{
SDL_Event ev1, *ev = &ev1;
+ int idle = 1;
if (last_vm_running != runstate_is_running()) {
last_vm_running = runstate_is_running();
@@ -817,9 +825,11 @@ static void sdl_refresh(DisplayChangeListener *dcl)
sdl_update(dcl, 0, 0, real_screen->w, real_screen->h);
break;
case SDL_KEYDOWN:
+ idle = 0;
handle_keydown(ev);
break;
case SDL_KEYUP:
+ idle = 0;
handle_keyup(ev);
break;
case SDL_QUIT:
@@ -829,10 +839,12 @@ static void sdl_refresh(DisplayChangeListener *dcl)
}
break;
case SDL_MOUSEMOTION:
+ idle = 0;
handle_mousemotion(ev);
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
+ idle = 0;
handle_mousebutton(ev);
break;
case SDL_ACTIVEEVENT:
@@ -847,6 +859,18 @@ static void sdl_refresh(DisplayChangeListener *dcl)
break;
}
}
+
+ if (idle) {
+ if (idle_counter < SDL_MAX_IDLE_COUNT) {
+ idle_counter++;
+ if (idle_counter >= SDL_MAX_IDLE_COUNT) {
+ dcl->update_interval = GUI_REFRESH_INTERVAL_DEFAULT;
+ }
+ }
+ } else {
+ idle_counter = 0;
+ dcl->update_interval = SDL_REFRESH_INTERVAL_BUSY;
+ }
}
static void sdl_mouse_warp(DisplayChangeListener *dcl,
@@ -985,7 +1009,7 @@ void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
sdl_grab_start();
}
- dcl = g_malloc0(sizeof(DisplayChangeListener));
+ dcl = g_new0(DisplayChangeListener, 1);
dcl->ops = &dcl_ops;
register_displaychangelistener(dcl);