Register a console notifier so the GTK display dynamically creates and destroys VirtualConsole tabs when graphic consoles are added or removed at runtime (e.g. vfio-pci with display=on hotplug).
Add skips consoles that already have a VC binding, remove skips unknown consoles. Signed-off-by: Marc-André Lureau <[email protected]> --- include/ui/gtk.h | 1 + ui/gtk.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 77 insertions(+), 1 deletion(-) diff --git a/include/ui/gtk.h b/include/ui/gtk.h index b0be5070795..6cb611ce474 100644 --- a/include/ui/gtk.h +++ b/include/ui/gtk.h @@ -140,6 +140,7 @@ struct GtkDisplayState { GdkCursor *null_cursor; Notifier mouse_mode_notifier; + Notifier console_notifier; gboolean free_scale; gboolean keep_aspect_ratio; diff --git a/ui/gtk.c b/ui/gtk.c index 621bd269b3a..484dd9159c2 100644 --- a/ui/gtk.c +++ b/ui/gtk.c @@ -2332,7 +2332,8 @@ static bool gd_scale_valid(double scale) return scale >= VC_SCALE_MIN && scale <= VC_SCALE_MAX; } -static void add_gfx_console(GtkDisplayState *s, QemuConsole *con) +static VirtualConsole * +add_gfx_console(GtkDisplayState *s, QemuConsole *con) { VirtualConsole *vc = g_new0(VirtualConsole, 1); const DisplayChangeListenerOps *ops = &dcl_ops; @@ -2414,6 +2415,76 @@ static void add_gfx_console(GtkDisplayState *s, QemuConsole *con) qemu_console_register_listener(con, &vc->gfx.dcl, ops); gd_connect_vc_gfx_signals(vc); + return vc; +} + +static void gd_vc_add_gfx(GtkDisplayState *s, QemuConsole *con) +{ + VirtualConsole *vc; + int i; + + for (i = 0; i < (int)s->vcs->len; i++) { + VirtualConsole *v = g_ptr_array_index(s->vcs, i); + if (v->type == GD_VC_GFX && v->gfx.dcl.con == con) { + return; + } + } + + vc = add_gfx_console(s, con); + gtk_widget_show_all(vc->tab_item); + gtk_widget_realize(vc->gfx.drawing_area); + + if (s->free_scale) { + gd_update_windowsize(vc); + } + + gd_update_caption(s); + gd_rebuild_vc_menu(s); + + gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), true); +} + +static void gd_vc_remove_gfx(GtkDisplayState *s, QemuConsole *con) +{ + VirtualConsole *vc = NULL; + guint idx; + + for (idx = 0; idx < s->vcs->len; idx++) { + VirtualConsole *v = g_ptr_array_index(s->vcs, idx); + if (v->type == GD_VC_GFX && v->gfx.dcl.con == con) { + vc = v; + break; + } + } + if (!vc) { + return; + } + + if (s->kbd_owner == vc) { + gd_ungrab_keyboard(s); + } + if (s->ptr_owner == vc) { + gd_ungrab_pointer(s); + } + + g_ptr_array_remove_index(s->vcs, idx); + gd_rebuild_vc_menu(s); + gd_update_caption(s); +} + +static void gd_console_notify(Notifier *n, void *data) +{ + GtkDisplayState *s = container_of(n, GtkDisplayState, console_notifier); + QemuConsoleEvent *event = data; + + switch (event->type) { + case QEMU_CONSOLE_ADDED: + gd_vc_add_gfx(s, event->con); + break; + case QEMU_CONSOLE_REMOVED: + gd_vc_remove_gfx(s, event->con); + break; + } } static void gd_create_menu_view(GtkDisplayState *s, DisplayOptions *opts) @@ -2688,6 +2759,9 @@ static void gtk_display_init(DisplayState *ds, DisplayOptions *opts) gd_create_menus(s, opts); + s->console_notifier.notify = gd_console_notify; + qemu_console_add_notifier(&s->console_notifier); + gd_connect_signals(s); gtk_notebook_set_show_tabs(GTK_NOTEBOOK(s->notebook), FALSE); @@ -2808,6 +2882,7 @@ static void gtk_display_cleanup(void) return; } + qemu_console_remove_notifier(&s->console_notifier); qemu_remove_mouse_mode_change_notifier(&s->mouse_mode_notifier); gd_clipboard_cleanup(s); g_signal_handlers_disconnect_by_func(s->notebook, -- 2.54.0
