Add call settings (#5540)

Telegram/SourceFiles/platform/linux/specific_linux.cpp

@@ -12,6 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "application.h"
 #include "mainwidget.h"
 #include "mainwindow.h"
+#include "platform/linux/linux_desktop_environment.h"
 #include "platform/linux/file_utilities_linux.h"
 #include "platform/platform_notifications_manager.h"
 #include "storage/localstorage.h"
@@ -488,6 +489,30 @@ void RequestPermission(PermissionType type, Fn<void(PermissionStatus)> resultCal
 void OpenSystemSettingsForPermission(PermissionType type) {
 }
 
+bool OpenSystemSettings(SystemSettingsType type) {
+	if (type == SystemSettingsType::Audio) {
+		bool succeeded = false;
+		if (DesktopEnvironment::IsUnity()) {
+			succeeded |= QProcess::startDetached(qsl("unity-control-center sound"));
+		} else if (DesktopEnvironment::IsKDE()) {
+			succeeded |= QProcess::startDetached(qsl("kcmshell5 kcm_pulseaudio"));
+			if (!succeeded) {
+				succeeded |= QProcess::startDetached(qsl("kcmshell4 phonon"));
+			}
+		} else if (DesktopEnvironment::IsGnome()) {
+			succeeded |= QProcess::startDetached(qsl("gnome-control-center sound"));
+		}
+		if (!succeeded) {
+			succeeded |= QProcess::startDetached(qsl("pavucontrol"));
+		}
+		if (!succeeded) {
+			succeeded |= QProcess::startDetached(qsl("alsamixergui"));
+		}
+		return succeeded;
+	}
+	return true;
+}
+
 namespace ThirdParty {
 
 void start() {

Telegram/SourceFiles/platform/mac/specific_mac.mm

@@ -332,6 +332,15 @@ void OpenSystemSettingsForPermission(PermissionType type) {
 #endif // OS_MAC_OLD
 }
 
+bool OpenSystemSettings(SystemSettingsType type) {
+	switch (type) {
+		case SystemSettingsType::Audio:
+			[[NSWorkspace sharedWorkspace] openFile:@"/System/Library/PreferencePanes/Sound.prefPane"];
+			break;
+	}
+	return true;
+}
+
 } // namespace Platform
 
 void psNewVersion() {

Telegram/SourceFiles/platform/platform_specific.h

@@ -22,6 +22,10 @@ enum class PermissionType {
 	Microphone,
 };
 
+enum class SystemSettingsType {
+	Audio,
+};
+
 void SetWatchingMediaKeys(bool watching);
 bool IsApplicationActive();
 void SetApplicationIcon(const QIcon &icon);
@@ -34,6 +38,7 @@ void RegisterCustomScheme();
 PermissionStatus GetPermissionStatus(PermissionType type);
 void RequestPermission(PermissionType type, Fn<void(PermissionStatus)> resultCallback);
 void OpenSystemSettingsForPermission(PermissionType type);
+bool OpenSystemSettings(SystemSettingsType type);
 
 QString SystemLanguage();
 QString SystemCountry();

Telegram/SourceFiles/platform/win/specific_win.cpp

@@ -657,6 +657,13 @@ void OpenSystemSettingsForPermission(PermissionType type) {
 	}
 }
 
+bool OpenSystemSettings(SystemSettingsType type) {
+	if (type == SystemSettingsType::Audio) {
+		WinExec("control.exe mmsys.cpl", SW_SHOW);
+	}
+	return true;
+}
+
 } // namespace Platform
 
 void psNewVersion() {