Open changelog in browser if UpdateItem is clicked in the plugin menubar.

include/plugin.hpp

@@ -17,6 +17,7 @@ namespace plugin {
 struct Update {
 	std::string pluginSlug;
 	std::string version;
+	std::string changelogUrl;
 };
 
 

src/app/MenuBar.cpp

@@ -487,6 +487,16 @@ struct SyncItem : ui::MenuItem {
 	}
 };
 
+struct UpdateItem : ui::MenuItem {
+	std::string changelogUrl;
+	void onAction(const event::Action &e) override {
+		std::thread t([=]() {
+			system::openBrowser(changelogUrl);
+		});
+		t.detach();
+	}
+};
+
 #if 0
 struct SyncButton : ui::Button {
 	bool checked = false;
@@ -579,18 +589,19 @@ struct PluginsMenu : ui::Menu {
 				addChild(new ui::MenuEntry);
 
 				ui::MenuLabel *updatesLabel = new ui::MenuLabel;
-				updatesLabel->text = "Updates";
+				updatesLabel->text = "Updates (click for changelog)";
 				addChild(updatesLabel);
 
 				for (plugin::Update &update : plugin::updates) {
-					ui::MenuItem *updateItem = new ui::MenuItem;
-					updateItem->disabled = true;
+					UpdateItem *updateItem = new UpdateItem;
 					updateItem->text = update.pluginSlug;
 					plugin::Plugin *p = plugin::getPlugin(update.pluginSlug);
 					if (p) {
 						updateItem->rightText += "v" + p->version + " → ";
 					}
 					updateItem->rightText += "v" + update.version;
+					updateItem->changelogUrl = update.changelogUrl;
+					updateItem->disabled = update.changelogUrl.empty();
 					addChild(updateItem);
 				}
 			}

src/plugin.cpp

@@ -496,6 +496,11 @@ void queryUpdates() {
 		}
 		update.version = json_string_value(versionJ);
 
+		// Check if update is needed
+		Plugin *p = getPlugin(update.pluginSlug);
+		if (p && p->version == update.version)
+			continue;
+
 		// Check status
 		json_t *statusJ = json_object_get(manifestJ, "status");
 		if (!statusJ)
@@ -504,10 +509,11 @@ void queryUpdates() {
 		if (status != "available")
 			continue;
 
-		// Check if update is needed
-		Plugin *p = getPlugin(update.pluginSlug);
-		if (p && p->version == update.version)
-			continue;
+		// Get changelog URL
+		json_t *changelogUrlJ = json_object_get(manifestJ, "changelogUrl");
+		if (changelogUrlJ) {
+			update.changelogUrl = json_string_value(changelogUrlJ);
+		}
 
 		updates.push_back(update);
 	}