[virt-tools-list] [PATCH virt-viewer 3/4] VirtViewerApp: store windows in a list
Fabiano Fidêncio
fidencio at redhat.com
Wed Sep 3 21:35:46 UTC 2014
On Fri, 2014-08-22 at 09:59 -0500, Jonathon Jongsma wrote:
> Use a list to store the application's windows. This is another step
> towards separating the window from the guest display ID.
> ---
> src/remote-viewer.c | 14 ++--
> src/virt-viewer-app.c | 175 +++++++++++++++++++++++---------------------------
> src/virt-viewer-app.h | 2 +-
> 3 files changed, 86 insertions(+), 105 deletions(-)
>
> diff --git a/src/remote-viewer.c b/src/remote-viewer.c
> index cb43365..ccb775b 100644
> --- a/src/remote-viewer.c
> +++ b/src/remote-viewer.c
> @@ -405,8 +405,7 @@ spice_menu_update(RemoteViewer *self, VirtViewerWindow *win)
> }
>
> static void
> -spice_menu_update_each(gpointer key G_GNUC_UNUSED,
> - gpointer value,
> +spice_menu_update_each(gpointer value,
> gpointer user_data)
> {
> spice_menu_update(REMOTE_VIEWER(user_data), VIRT_VIEWER_WINDOW(value));
> @@ -415,11 +414,11 @@ spice_menu_update_each(gpointer key G_GNUC_UNUSED,
> static void
> spice_ctrl_menu_updated(RemoteViewer *self)
> {
> - GHashTable *windows = virt_viewer_app_get_windows(VIRT_VIEWER_APP(self));
> + GList *windows = virt_viewer_app_get_windows(VIRT_VIEWER_APP(self));
>
> g_debug("Spice controller menu updated");
>
> - g_hash_table_foreach(windows, spice_menu_update_each, self);
> + g_list_foreach(windows, spice_menu_update_each, self);
> }
>
> #ifdef HAVE_OVIRT
> @@ -482,8 +481,7 @@ foreign_menu_update(RemoteViewer *self, VirtViewerWindow *win)
> }
>
> static void
> -foreign_menu_update_each(gpointer key G_GNUC_UNUSED,
> - gpointer value,
> +foreign_menu_update_each(gpointer value,
> gpointer user_data)
> {
> foreign_menu_update(REMOTE_VIEWER(user_data), VIRT_VIEWER_WINDOW(value));
> @@ -496,11 +494,11 @@ foreign_menu_update_each(gpointer key G_GNUC_UNUSED,
> static void
> spice_foreign_menu_updated(RemoteViewer *self)
> {
> - GHashTable *windows = virt_viewer_app_get_windows(VIRT_VIEWER_APP(self));
> + GList *windows = virt_viewer_app_get_windows(VIRT_VIEWER_APP(self));
>
> g_debug("Spice foreign menu updated");
>
> - g_hash_table_foreach(windows, foreign_menu_update_each, self);
> + g_list_foreach(windows, foreign_menu_update_each, self);
> }
>
> static SpiceSession *
> diff --git a/src/virt-viewer-app.c b/src/virt-viewer-app.c
> index a3934f2..d143f94 100644
> --- a/src/virt-viewer-app.c
> +++ b/src/virt-viewer-app.c
> @@ -108,7 +108,7 @@ static void virt_viewer_update_smartcard_accels(VirtViewerApp *self);
> struct _VirtViewerAppPrivate {
> VirtViewerWindow *main_window;
> GtkWidget *main_notebook;
> - GHashTable *windows;
> + GList *windows;
> GHashTable *displays;
> GHashTable *initial_display_map;
> gchar *clipboard;
> @@ -444,14 +444,12 @@ void virt_viewer_app_set_uuid_string(VirtViewerApp *self, const gchar *uuid_stri
> // if we're changing our initial display map, move any existing windows to
> // the appropriate monitors according to the per-vm configuration
> if (mapping && self->priv->fullscreen) {
> - GHashTableIter iter;
> - gpointer value;
> + GList *l;
> gint i = 0;
>
> - g_hash_table_iter_init(&iter, self->priv->windows);
> - while (g_hash_table_iter_next(&iter, NULL, &value)) {
> + for (l = self->priv->windows; l; l = l->next) {
> gint monitor = virt_viewer_app_get_initial_monitor_for_display(self, i);
> - app_window_try_fullscreen(self, VIRT_VIEWER_WINDOW(value), monitor);
> + app_window_try_fullscreen(self, VIRT_VIEWER_WINDOW(l->data), monitor);
> i++;
> }
> }
> @@ -508,8 +506,7 @@ virt_viewer_app_maybe_quit(VirtViewerApp *self, VirtViewerWindow *window)
>
> }
>
> -static void count_window_visible(gpointer key G_GNUC_UNUSED,
> - gpointer value,
> +static void count_window_visible(gpointer value,
> gpointer user_data)
> {
> GtkWindow *win = virt_viewer_window_get_window(VIRT_VIEWER_WINDOW(value));
> @@ -523,7 +520,7 @@ static guint
> virt_viewer_app_get_n_windows_visible(VirtViewerApp *self)
> {
> guint n = 0;
> - g_hash_table_foreach(self->priv->windows, count_window_visible, &n);
> + g_list_foreach(self->priv->windows, count_window_visible, &n);
> return n;
> }
>
> @@ -550,8 +547,7 @@ virt_viewer_app_window_set_visible(VirtViewerApp *self,
> return FALSE;
> }
>
> -static void hide_one_window(gpointer key G_GNUC_UNUSED,
> - gpointer value,
> +static void hide_one_window(gpointer value,
> gpointer user_data G_GNUC_UNUSED)
> {
> VirtViewerApp* self = VIRT_VIEWER_APP(user_data);
> @@ -562,7 +558,7 @@ static void hide_one_window(gpointer key G_GNUC_UNUSED,
> static void
> virt_viewer_app_hide_all_windows(VirtViewerApp *app)
> {
> - g_hash_table_foreach(app->priv->windows, hide_one_window, app);
> + g_list_foreach(app->priv->windows, hide_one_window, app);
> }
>
> G_MODULE_EXPORT void
> @@ -736,24 +732,28 @@ virt_viewer_app_set_window_subtitle(VirtViewerApp *app,
> }
>
> static void
> -set_title(gpointer key,
> - gpointer value,
> +set_title(gpointer value,
> gpointer user_data)
> {
> - gint *nth = key;
> + gint nth = -1;
You don't have to initialize nth here, probably covscan would complain
about it.
> VirtViewerApp *app = user_data;
> VirtViewerWindow *window = value;
> - virt_viewer_app_set_window_subtitle(app, window, *nth);
> + VirtViewerDisplay *display = virt_viewer_window_get_display(window);
> +
> + if (!display)
> + return;
> +
> + nth = virt_viewer_display_get_nth(display);
> + virt_viewer_app_set_window_subtitle(app, window, nth);
> }
>
> static void
> virt_viewer_app_set_all_window_subtitles(VirtViewerApp *app)
> {
> - g_hash_table_foreach(app->priv->windows, set_title, app);
> + g_list_foreach(app->priv->windows, set_title, app);
> }
>
> -static void update_title(gpointer key G_GNUC_UNUSED,
> - gpointer value,
> +static void update_title(gpointer value,
> gpointer user_data G_GNUC_UNUSED)
> {
> virt_viewer_window_update_title(VIRT_VIEWER_WINDOW(value));
> @@ -762,11 +762,10 @@ static void update_title(gpointer key G_GNUC_UNUSED,
> static void
> virt_viewer_app_update_title(VirtViewerApp *self)
> {
> - g_hash_table_foreach(self->priv->windows, update_title, NULL);
> + g_list_foreach(self->priv->windows, update_title, NULL);
> }
>
> -static void set_usb_options_sensitive(gpointer key G_GNUC_UNUSED,
> - gpointer value,
> +static void set_usb_options_sensitive(gpointer value,
> gpointer user_data)
> {
> virt_viewer_window_set_usb_options_sensitive(VIRT_VIEWER_WINDOW(value),
> @@ -776,59 +775,22 @@ static void set_usb_options_sensitive(gpointer key G_GNUC_UNUSED,
> static void
> virt_viewer_app_set_usb_options_sensitive(VirtViewerApp *self, gboolean sensitive)
> {
> - g_hash_table_foreach(self->priv->windows, set_usb_options_sensitive,
> - GINT_TO_POINTER(sensitive));
> + g_list_foreach(self->priv->windows, set_usb_options_sensitive,
> + GINT_TO_POINTER(sensitive));
> }
>
> static VirtViewerWindow *
> virt_viewer_app_get_nth_window(VirtViewerApp *self, gint nth)
> {
> - return g_hash_table_lookup(self->priv->windows, &nth);
> -}
> -
> -static gboolean
> -virt_viewer_app_remove_nth_window(VirtViewerApp *self, gint nth)
> -{
> - VirtViewerWindow *win;
> - gboolean removed;
> -
> - g_return_val_if_fail(nth != 0, FALSE);
> -
> - win = virt_viewer_app_get_nth_window(self, nth);
> - g_return_val_if_fail(win != NULL, FALSE);
> -
> - g_debug("Remove window %d %p", nth, win);
> - g_object_ref(win);
> - removed = g_hash_table_remove(self->priv->windows, &nth);
> - g_warn_if_fail(removed);
> - virt_viewer_app_update_menu_displays(self);
> -
> - if (removed)
> - g_signal_emit(self, signals[SIGNAL_WINDOW_REMOVED], 0, win);
> -
> - g_object_unref(win);
> -
> - return removed;
> -}
> -
> -static void
> -virt_viewer_app_set_nth_window(VirtViewerApp *self, gint nth, VirtViewerWindow *win)
> -{
> - gint *key;
> -
> - g_return_if_fail(virt_viewer_app_get_nth_window(self, nth) == NULL);
> - key = g_malloc(sizeof(gint));
> - *key = nth;
> - g_debug("Insert window %d %p", nth, win);
> - g_hash_table_insert(self->priv->windows, key, win);
> - virt_viewer_app_set_window_subtitle(self, win, nth);
> - virt_viewer_app_update_menu_displays(self);
> - if (self->priv->session) {
> - virt_viewer_window_set_usb_options_sensitive(win,
> - virt_viewer_session_get_has_usbredir(self->priv->session));
> + GList *l;
> + for (l = self->priv->windows; l; l = l->next) {
> + VirtViewerDisplay *display = virt_viewer_window_get_display(VIRT_VIEWER_WINDOW(l->data));
You could use l->data directly here, no need to cast.
> + if (display
> + && (virt_viewer_display_get_nth(display) == nth)) {
> + return l->data;
> + }
> }
> -
> - g_signal_emit(self, signals[SIGNAL_WINDOW_ADDED], 0, win);
> + return NULL;
> }
>
> static void
> @@ -879,7 +841,17 @@ virt_viewer_app_window_new(VirtViewerApp *self, gint nth)
> virt_viewer_window_set_kiosk(window, self->priv->kiosk);
> if (self->priv->main_window)
> virt_viewer_window_set_zoom_level(window, virt_viewer_window_get_zoom_level(self->priv->main_window));
> - virt_viewer_app_set_nth_window(self, nth, window);
> +
> + self->priv->windows = g_list_append(self->priv->windows, window);
> + virt_viewer_app_set_window_subtitle(self, window, nth);
> + virt_viewer_app_update_menu_displays(self);
> + if (self->priv->session) {
> + virt_viewer_window_set_usb_options_sensitive(window,
> + virt_viewer_session_get_has_usbredir(self->priv->session));
> + }
> +
> + g_signal_emit(self, signals[SIGNAL_WINDOW_ADDED], 0, window);
> +
> if (self->priv->fullscreen)
> app_window_try_fullscreen(self, window,
> virt_viewer_app_get_initial_monitor_for_display(self, nth));
> @@ -978,8 +950,14 @@ virt_viewer_app_display_removed(VirtViewerSession *session G_GNUC_UNUSED,
> return;
>
> virt_viewer_window_set_display(win, NULL);
> - if (nth != 0)
> - virt_viewer_app_remove_nth_window(self, nth);
> +
> + g_debug("Remove window %d %p", nth, win);
> + self->priv->windows = g_list_remove(self->priv->windows, win);
> + virt_viewer_app_update_menu_displays(self);
> +
> + g_signal_emit(self, signals[SIGNAL_WINDOW_REMOVED], 0, win);
> +
> + g_object_unref(win);
Hmmm. I would prefer a function to remove the window from the windows
list and unref the removed window, instead of doing it in the way you're
doing it here.
> }
>
> static void
> @@ -1635,13 +1613,13 @@ virt_viewer_app_dispose (GObject *object)
> VirtViewerAppPrivate *priv = self->priv;
>
> if (priv->windows) {
> - GHashTable *tmp = priv->windows;
> + GList *tmp = priv->windows;
> /* null-ify before unrefing, because we need
> * to prevent callbacks using priv->windows
> * while it is being disposed off. */
> priv->windows = NULL;
> priv->main_window = NULL;
> - g_hash_table_unref(tmp);
> + g_list_free_full(tmp, g_object_unref);
> }
>
> if (priv->displays) {
> @@ -1720,7 +1698,6 @@ virt_viewer_app_init (VirtViewerApp *self)
>
> self->priv = GET_PRIVATE(self);
> self->priv->displays = g_hash_table_new_full(g_int_hash, g_int_equal, g_free, g_object_unref);
> - self->priv->windows = g_hash_table_new_full(g_int_hash, g_int_equal, g_free, g_object_unref);
> self->priv->config = g_key_file_new();
> self->priv->config_file = g_build_filename(g_get_user_config_dir(),
> "virt-viewer", "settings", NULL);
> @@ -2123,15 +2100,22 @@ typedef struct {
> gboolean fullscreen;
> } FullscreenOptions;
>
> -static void fullscreen_cb(gpointer key,
> - gpointer value,
> +static void fullscreen_cb(gpointer value,
> gpointer user_data)
> {
> FullscreenOptions *options = (FullscreenOptions *)user_data;
> - gint nth = virt_viewer_app_get_initial_monitor_for_display(options->app, *(gint*)key);
> + gint nth = 0;
> VirtViewerWindow *vwin = VIRT_VIEWER_WINDOW(value);
> + VirtViewerDisplay *display = virt_viewer_window_get_display(vwin);
>
> + /* At startup, the main window will not yet have an associated display, so
> + * assume that it's the first display */
> + if (display)
> + nth = virt_viewer_display_get_nth(display);
> g_debug("fullscreen display %d: %d", nth, options->fullscreen);
> +
> + nth = virt_viewer_app_get_initial_monitor_for_display(options->app, nth);
> +
> if (options->fullscreen)
> app_window_try_fullscreen(options->app, vwin, nth);
> else
> @@ -2157,18 +2141,20 @@ virt_viewer_app_set_fullscreen(VirtViewerApp *self, gboolean fullscreen)
>
> /* we iterate unconditionnaly, even if it was set before to update new windows */
> priv->fullscreen = fullscreen;
> - g_hash_table_foreach(priv->windows, fullscreen_cb, &options);
> + g_list_foreach(priv->windows, fullscreen_cb, &options);
>
> g_object_notify(G_OBJECT(self), "fullscreen");
> }
>
> static void
> menu_display_visible_toggled_cb(GtkCheckMenuItem *checkmenuitem,
> - VirtViewerWindow *vwin)
> + VirtViewerDisplay *display)
> {
> - VirtViewerApp *self;
> + VirtViewerApp *self = virt_viewer_session_get_app(virt_viewer_display_get_session(display));
> gboolean visible;
> static gboolean reentering = FALSE;
> + VirtViewerWindow *vwin = virt_viewer_app_get_nth_window(self,
> + virt_viewer_display_get_nth(display));
>
> if (reentering) /* do not reenter if I switch you back */
> return;
> @@ -2227,13 +2213,12 @@ window_empty_display_submenu(VirtViewerWindow *window)
> }
>
> static void
> -window_update_menu_displays_cb(gpointer key G_GNUC_UNUSED,
> - gpointer value,
> +window_update_menu_displays_cb(gpointer value,
> gpointer user_data)
> {
> VirtViewerApp *self = VIRT_VIEWER_APP(user_data);
> GtkMenuShell *submenu;
> - GList *keys = g_hash_table_get_keys(self->priv->windows);
> + GList *keys = g_hash_table_get_keys(self->priv->displays);
> GList *tmp;
>
> keys = g_list_sort(keys, update_menu_displays_sort);
> @@ -2242,8 +2227,8 @@ window_update_menu_displays_cb(gpointer key G_GNUC_UNUSED,
> tmp = keys;
> while (tmp) {
> int *nth = tmp->data;
> - VirtViewerWindow *vwin = VIRT_VIEWER_WINDOW(g_hash_table_lookup(self->priv->windows, nth));
> - VirtViewerDisplay *display = virt_viewer_window_get_display(vwin);
> + VirtViewerWindow *vwin = virt_viewer_app_get_nth_window(self, *nth);
> + VirtViewerDisplay *display = VIRT_VIEWER_DISPLAY(g_hash_table_lookup(self->priv->displays, nth));
> GtkWidget *item;
> gboolean visible, sensitive;
> gchar *label;
> @@ -2252,7 +2237,7 @@ window_update_menu_displays_cb(gpointer key G_GNUC_UNUSED,
> item = gtk_check_menu_item_new_with_label(label);
> g_free(label);
>
> - visible = gtk_widget_get_visible(GTK_WIDGET(virt_viewer_window_get_window(vwin)));
> + visible = vwin && gtk_widget_get_visible(GTK_WIDGET(virt_viewer_window_get_window(vwin)));
> gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(item), visible);
>
> sensitive = visible;
> @@ -2268,7 +2253,7 @@ window_update_menu_displays_cb(gpointer key G_GNUC_UNUSED,
> gtk_widget_set_sensitive(item, sensitive);
>
> g_signal_connect(G_OBJECT(item),
> - "toggled", G_CALLBACK(menu_display_visible_toggled_cb), vwin);
> + "toggled", G_CALLBACK(menu_display_visible_toggled_cb), display);
> gtk_menu_shell_append(submenu, item);
> tmp = tmp->next;
> }
> @@ -2282,7 +2267,7 @@ virt_viewer_app_update_menu_displays(VirtViewerApp *self)
> {
> if (!self->priv->windows)
> return;
> - g_hash_table_foreach(self->priv->windows, window_update_menu_displays_cb, self);
> + g_list_foreach(self->priv->windows, window_update_menu_displays_cb, self);
> }
>
> void
> @@ -2342,8 +2327,7 @@ virt_viewer_app_get_main_window(VirtViewerApp *self)
> }
>
> static void
> -show_status_cb(gpointer key G_GNUC_UNUSED,
> - gpointer value,
> +show_status_cb(gpointer value,
> gpointer user_data)
> {
> VirtViewerNotebook *nb = virt_viewer_window_get_notebook(VIRT_VIEWER_WINDOW(value));
> @@ -2365,13 +2349,12 @@ virt_viewer_app_show_status(VirtViewerApp *self, const gchar *fmt, ...)
> text = g_strdup_vprintf(fmt, args);
> va_end(args);
>
> - g_hash_table_foreach(self->priv->windows, show_status_cb, text);
> + g_list_foreach(self->priv->windows, show_status_cb, text);
> g_free(text);
> }
>
> static void
> -show_display_cb(gpointer key G_GNUC_UNUSED,
> - gpointer value,
> +show_display_cb(gpointer value,
> gpointer user_data G_GNUC_UNUSED)
> {
> VirtViewerNotebook *nb = virt_viewer_window_get_notebook(VIRT_VIEWER_WINDOW(value));
> @@ -2383,7 +2366,7 @@ void
> virt_viewer_app_show_display(VirtViewerApp *self)
> {
> g_return_if_fail(VIRT_VIEWER_IS_APP(self));
> - g_hash_table_foreach(self->priv->windows, show_display_cb, self);
> + g_list_foreach(self->priv->windows, show_display_cb, self);
> }
>
> gboolean
> @@ -2402,7 +2385,7 @@ virt_viewer_app_get_session(VirtViewerApp *self)
> return self->priv->session;
> }
>
> -GHashTable*
> +GList*
> virt_viewer_app_get_windows(VirtViewerApp *self)
> {
> g_return_val_if_fail(VIRT_VIEWER_IS_APP(self), NULL);
> diff --git a/src/virt-viewer-app.h b/src/virt-viewer-app.h
> index 25cfc8b..b68e50c 100644
> --- a/src/virt-viewer-app.h
> +++ b/src/virt-viewer-app.h
> @@ -92,7 +92,7 @@ void virt_viewer_app_set_connect_info(VirtViewerApp *self,
> gboolean virt_viewer_app_window_set_visible(VirtViewerApp *self, VirtViewerWindow *window, gboolean visible);
> void virt_viewer_app_show_status(VirtViewerApp *self, const gchar *fmt, ...);
> void virt_viewer_app_show_display(VirtViewerApp *self);
> -GHashTable* virt_viewer_app_get_windows(VirtViewerApp *self);
> +GList* virt_viewer_app_get_windows(VirtViewerApp *self);
> gboolean virt_viewer_app_get_enable_accel(VirtViewerApp *self);
> VirtViewerSession* virt_viewer_app_get_session(VirtViewerApp *self);
> gboolean virt_viewer_app_get_fullscreen(VirtViewerApp *app);
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