scroll the main window to a newly added torrent

NEWS.md

@@ -13,6 +13,7 @@
 ### GTK+ Client
 - Stop eating the last message at each refresh of the Message Log
 - UI: better visual torrent separation
+- Scroll the main window to a newly added torrent
 
 ### Qt Client
 - Fix download percentage bar glitch ([#3150](https://github.com/transmission/transmission/issues/3150))

gtk/main.c

@@ -693,7 +693,7 @@ static void on_core_busy(TrCore* core UNUSED, gboolean busy, struct cbdata* c)
 }
 
 static void on_core_error(TrCore*, guint, char const*, struct cbdata*);
-static void on_add_torrent(TrCore*, tr_ctor*, gpointer);
+static void on_add_prompt(TrCore*, tr_ctor*, gpointer);
 static void on_prefs_changed(TrCore* core, tr_quark const key, gpointer);
 static void main_window_setup(struct cbdata* cbdata, GtkWindow* wind);
 static gboolean update_model_loop(gpointer gdata);
@@ -711,7 +711,7 @@ static void app_setup(GtkWindow* wind, struct cbdata* cbdata)
     /* set up core handlers */
     g_signal_connect(cbdata->core, "busy", G_CALLBACK(on_core_busy), cbdata);
     g_signal_connect(cbdata->core, "add-error", G_CALLBACK(on_core_error), cbdata);
-    g_signal_connect(cbdata->core, "add-prompt", G_CALLBACK(on_add_torrent), cbdata);
+    g_signal_connect(cbdata->core, "add-prompt", G_CALLBACK(on_add_prompt), cbdata);
     g_signal_connect(cbdata->core, "prefs-changed", G_CALLBACK(on_prefs_changed), cbdata);
 
     /* add torrents from command-line and saved state */
@@ -1084,7 +1084,7 @@ static gboolean on_main_window_focus_in(GtkWidget* widget UNUSED, GdkEventFocus*
     return FALSE;
 }
 
-static void on_add_torrent(TrCore* core, tr_ctor* ctor, gpointer gdata)
+static void on_add_prompt(TrCore* core, tr_ctor* ctor, gpointer gdata)
 {
     struct cbdata* cbdata = gdata;
     GtkWidget* w = gtr_torrent_options_dialog_new(cbdata->wind, core, ctor);

gtk/tr-core.c

@@ -54,6 +54,7 @@ enum
     BUSY_SIGNAL,
     PORT_SIGNAL,
     PREFS_SIGNAL,
+    TORRENT_ADDED_SIGNAL,
     LAST_SIGNAL
 };
 
@@ -138,6 +139,9 @@ static void tr_core_class_init(TrCoreClass* core_class)
 
     signals[PREFS_SIGNAL] = g_signal_new("prefs-changed", core_type, G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET(TrCoreClass,
         prefs_changed), NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
+
+    signals[TORRENT_ADDED_SIGNAL] = g_signal_new("torrent-added", core_type, G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET(TrCoreClass,
+        torrent_added), NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
 }
 
 static void tr_core_init(TrCore* core)
@@ -187,7 +191,7 @@ static void tr_core_init(TrCore* core)
 ****  EMIT SIGNALS
 ***/
 
-static inline void core_emit_blocklist_udpated(TrCore* core, int ruleCount)
+static inline void core_emit_blocklist_updated(TrCore* core, int ruleCount)
 {
     g_signal_emit(core, signals[BLOCKLIST_SIGNAL], 0, ruleCount);
 }
@@ -988,7 +992,7 @@ struct metadata_callback_data
     int torrent_id;
 };
 
-static gboolean find_row_from_torrent_id(GtkTreeModel* model, int id, GtkTreeIter* setme)
+gboolean gtr_find_row_from_torrent_id(GtkTreeModel* model, int id, GtkTreeIter* setme)
 {
     GtkTreeIter iter;
     gboolean match = FALSE;
@@ -1024,7 +1028,7 @@ static gboolean on_torrent_metadata_changed_idle(gpointer gdata)
         GtkTreeIter iter;
         GtkTreeModel* model = core_raw_model(data->core);
 
-        if (find_row_from_torrent_id(model, data->torrent_id, &iter))
+        if (gtr_find_row_from_torrent_id(model, data->torrent_id, &iter))
         {
             char const* collated = get_collated_name(data->core, tor);
             GtkListStore* store = GTK_LIST_STORE(model);
@@ -1080,13 +1084,14 @@ void gtr_core_add_torrent(TrCore* core, tr_torrent* tor, gboolean do_notify)
 {
     if (tor != NULL)
     {
-        GtkTreeIter unused;
+        GtkTreeIter iter;
         tr_stat const* st = tr_torrentStat(tor);
         char const* collated = get_collated_name(core, tor);
         unsigned int const trackers_hash = build_torrent_trackers_hash(tor);
-        GtkListStore* store = GTK_LIST_STORE(core_raw_model(core));
+        GtkTreeModel* model = core_raw_model(core);
+        GtkListStore* store = GTK_LIST_STORE(model);
 
-        gtk_list_store_insert_with_values(store, &unused, 0,
+        gtk_list_store_insert_with_values(store, &iter, 0,
             MC_NAME_COLLATED, collated,
             MC_TORRENT, tor,
             MC_TORRENT_ID, tr_torrentId(tor),
@@ -1108,6 +1113,9 @@ void gtr_core_add_torrent(TrCore* core, tr_torrent* tor, gboolean do_notify)
             gtr_notify_torrent_added(tr_torrentName(tor));
         }
 
+        // Get the main window to scroll to the newly added torrent.
+        g_signal_emit(core, signals[TORRENT_ADDED_SIGNAL], 0, tr_torrentId(tor));
+
         tr_torrentSetMetadataCallback(tor, on_torrent_metadata_changed, core);
         tr_torrentSetCompletenessCallback(tor, on_torrent_completeness_changed, core);
     }
@@ -1377,7 +1385,7 @@ void gtr_core_torrent_changed(TrCore* self, int id)
     GtkTreeIter iter;
     GtkTreeModel* model = core_raw_model(self);
 
-    if (find_row_from_torrent_id(model, id, &iter))
+    if (gtr_find_row_from_torrent_id(model, id, &iter))
     {
         GtkTreePath* path = gtk_tree_model_get_path(model, &iter);
         gtk_tree_model_row_changed(model, path, &iter);
@@ -1394,7 +1402,7 @@ void gtr_core_remove_torrent(TrCore* core, int id, gboolean delete_local_data)
         GtkTreeIter iter;
         GtkTreeModel* model = core_raw_model(core);
 
-        if (find_row_from_torrent_id(model, id, &iter))
+        if (gtr_find_row_from_torrent_id(model, id, &iter))
         {
             gtk_list_store_remove(GTK_LIST_STORE(model), &iter);
         }
@@ -1887,7 +1895,7 @@ static void on_blocklist_response(TrCore* core, tr_variant* response, gpointer d
         gtr_pref_int_set(TR_KEY_blocklist_date, tr_time());
     }
 
-    core_emit_blocklist_udpated(core, ruleCount);
+    core_emit_blocklist_updated(core, ruleCount);
 }
 
 void gtr_core_blocklist_update(TrCore* core)

gtk/tr-core.h

@@ -60,6 +60,7 @@ typedef struct _TrCoreClass
     void (* busy)(TrCore*, gboolean is_busy);
     void (* prefs_changed)(TrCore*, tr_quark const key);
     void (* port_tested)(TrCore*, gboolean is_open);
+    void (* torrent_added)(TrCore*, int);
     void (* quit)(TrCore*);
 }
 TrCoreClass;
@@ -70,6 +71,8 @@ TrCore* gtr_core_new(tr_session*);
 
 tr_session* gtr_core_close(TrCore*);
 
+gboolean gtr_find_row_from_torrent_id(GtkTreeModel* model, int id, GtkTreeIter* setme);
+
 /* Return the model used without incrementing the reference count */
 GtkTreeModel* gtr_core_model(TrCore* self);
 

gtk/tr-window.c

@@ -61,6 +61,7 @@ typedef struct
     GtkTreeModel* filter_model;
     TrCore* core;
     gulong pref_handler_id;
+    gulong torrent_added_handler_id;
 }
 PrivateData;
 
@@ -205,6 +206,7 @@ static void privateFree(gpointer vprivate)
 {
     PrivateData* p = vprivate;
     g_signal_handler_disconnect(p->core, p->pref_handler_id);
+    g_signal_handler_disconnect(p->core, p->torrent_added_handler_id);
     g_free(p);
 }
 
@@ -548,6 +550,18 @@ static void onOptionsClicked(GtkButton* button, gpointer vp)
 #endif
 }
 
+static void on_torrent_added(TrCore* core, int torrent_id, PrivateData* p)
+{
+    GtkTreeModel* model = gtr_core_model(core);
+
+    // Find the torrent row.
+    GtkTreeIter iter;
+    gtr_find_row_from_torrent_id(model, torrent_id, &iter);
+
+    // Scroll to the newly added torrent.
+    gtk_tree_view_scroll_to_cell(GTK_TREE_VIEW(p->view), gtk_tree_model_get_path(model, &iter), NULL, FALSE, 0.0, 0.0);
+}
+
 /***
 ****  PUBLIC
 ***/
@@ -741,6 +755,9 @@ GtkWidget* gtr_window_new(GtkApplication* app, GtkUIManager* ui_mgr, TrCore* cor
 
     tr_sessionSetAltSpeedFunc(gtr_core_session(core), onAltSpeedToggled, p);
 
+    // Window-related reactions to torrents being added.
+    p->torrent_added_handler_id = g_signal_connect(core, "torrent-added", G_CALLBACK(on_torrent_added), p);
+
     gtr_window_refresh(GTK_WINDOW(self));
     return self;
 }