diff options
| -rw-r--r-- | include/ui/console.h | 2 | ||||
| -rw-r--r-- | ui/console.c | 10 | ||||
| -rw-r--r-- | ui/vnc.c | 10 |
3 files changed, 18 insertions, 4 deletions
diff --git a/include/ui/console.h b/include/ui/console.h index aae9e44..5fca9af 100644 --- a/include/ui/console.h +++ b/include/ui/console.h @@ -260,6 +260,8 @@ DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height, pixman_format_code_t format, int linesize, uint64_t addr); +DisplaySurface *qemu_create_message_surface(int w, int h, + const char *msg); PixelFormat qemu_default_pixelformat(int bpp); DisplaySurface *qemu_create_displaysurface(int width, int height); diff --git a/ui/console.c b/ui/console.c index 6ab4ff3..348610d 100644 --- a/ui/console.c +++ b/ui/console.c @@ -1039,8 +1039,10 @@ void console_select(unsigned int index) dcl->ops->dpy_gfx_switch(dcl, s->surface); } } - dpy_gfx_update(s, 0, 0, surface_width(s->surface), - surface_height(s->surface)); + if (s->surface) { + dpy_gfx_update(s, 0, 0, surface_width(s->surface), + surface_height(s->surface)); + } } if (ds->have_text) { dpy_text_resize(s, s->width, s->height); @@ -1370,8 +1372,8 @@ DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height, return surface; } -static DisplaySurface *qemu_create_message_surface(int w, int h, - const char *msg) +DisplaySurface *qemu_create_message_surface(int w, int h, + const char *msg) { DisplaySurface *surface = qemu_create_displaysurface(w, h); pixman_color_t bg = color_table_rgb[0][QEMU_COLOR_BLACK]; @@ -746,9 +746,19 @@ static void vnc_update_server_surface(VncDisplay *vd) static void vnc_dpy_switch(DisplayChangeListener *dcl, DisplaySurface *surface) { + static const char placeholder_msg[] = + "Display output is not active."; + static DisplaySurface *placeholder; VncDisplay *vd = container_of(dcl, VncDisplay, dcl); VncState *vs; + if (surface == NULL) { + if (placeholder == NULL) { + placeholder = qemu_create_message_surface(640, 480, placeholder_msg); + } + surface = placeholder; + } + vnc_abort_display_jobs(vd); vd->ds = surface; |