Use RegisterUrlScheme from lib_base

Telegram/SourceFiles/core/application.cpp

@@ -24,6 +24,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/ui_integration.h"
 #include "chat_helpers/emoji_keywords.h"
 #include "chat_helpers/stickers_emoji_image_loader.h"
+#include "base/platform/base_platform_url_scheme.h"
 #include "base/platform/base_platform_last_input.h"
 #include "base/platform/base_platform_info.h"
 #include "platform/platform_specific.h"
@@ -197,6 +198,7 @@ void Application::run() {
 	ValidateScale();
 
 	if (Local::oldSettingsVersion() < AppVersion) {
+		RegisterUrlScheme();
 		psNewVersion();
 	}
 
@@ -1130,6 +1132,19 @@ void Application::startShortcuts() {
 	}, _lifetime);
 }
 
+void Application::RegisterUrlScheme() {
+	base::Platform::RegisterUrlScheme(base::Platform::UrlSchemeDescriptor{
+		.executable = cExeDir() + cExeName(),
+		.arguments = qsl("-workdir \"%1\"").arg(cWorkingDir()),
+		.protocol = qsl("tg"),
+		.protocolName = qsl("Telegram Link"),
+		.shortAppName = qsl("tdesktop"),
+		.longAppName = QCoreApplication::applicationName(),
+		.displayAppName = AppName.utf16(),
+		.displayAppDescription = AppName.utf16(),
+	});
+}
+
 bool IsAppLaunched() {
 	return (Application::Instance != nullptr);
 }

Telegram/SourceFiles/core/application.h

@@ -277,6 +277,8 @@ public:
 	void setScreenIsLocked(bool locked);
 	bool screenIsLocked() const;
 
+	static void RegisterUrlScheme();
+
 protected:
 	bool eventFilter(QObject *object, QEvent *event) override;