From 6a9809b85f752015e9ac42c9db6dc68612e72802 Mon Sep 17 00:00:00 2001
From: Georg Zotti <Georg.Zotti@univie.ac.at>
Date: Fri, 6 Sep 2024 00:57:47 +0200
Subject: [PATCH] Make it clear in GUI whether abortSlew is supported.

---
 plugins/TelescopeControl/src/ASCOM/TelescopeClientASCOM.hpp    | 1 +
 .../TelescopeControl/src/Lx200/TelescopeClientDirectLx200.hpp  | 1 +
 .../src/NexStar/TelescopeClientDirectNexStar.hpp               | 1 +
 plugins/TelescopeControl/src/TelescopeClient.hpp               | 3 +++
 plugins/TelescopeControl/src/gui/SlewDialog.cpp                | 1 +
 5 files changed, 7 insertions(+)

diff --git a/plugins/TelescopeControl/src/ASCOM/TelescopeClientASCOM.hpp b/plugins/TelescopeControl/src/ASCOM/TelescopeClientASCOM.hpp
index 75c6eea5fb9c7..445071555dff6 100644
--- a/plugins/TelescopeControl/src/ASCOM/TelescopeClientASCOM.hpp
+++ b/plugins/TelescopeControl/src/ASCOM/TelescopeClientASCOM.hpp
@@ -37,6 +37,7 @@ class TelescopeClientASCOM : public TelescopeClient
 	void telescopeSync(const Vec3d& j2000Pos, StelObjectP selectObject) override;
 	bool isTelescopeSyncSupported() const override {return true;}
 	void telescopeAbortSlew() override;
+	bool isAbortSlewSupported() const override {return true;}
 	bool isConnected() const override;
 	bool hasKnownPosition() const override;
 	static bool useJNow(ASCOMDevice::ASCOMEquatorialCoordinateType coordinateType, bool ascomUseDeviceEqCoordType, TelescopeControl::Equinox equinox);
diff --git a/plugins/TelescopeControl/src/Lx200/TelescopeClientDirectLx200.hpp b/plugins/TelescopeControl/src/Lx200/TelescopeClientDirectLx200.hpp
index 4ebc942bfcdb6..41ad6aea645b7 100644
--- a/plugins/TelescopeControl/src/Lx200/TelescopeClientDirectLx200.hpp
+++ b/plugins/TelescopeControl/src/Lx200/TelescopeClientDirectLx200.hpp
@@ -73,6 +73,7 @@ class TelescopeClientDirectLx200 : public TelescopeClient, public Server
 	void telescopeSync(const Vec3d &j2000Pos, StelObjectP selectObject) override;
 	bool isTelescopeSyncSupported() const override {return true;}
 	void telescopeAbortSlew() override;
+	bool isAbortSlewSupported() const override {return true;}
 	bool isInitialized(void) const override;
 	
 	//======================================================================
diff --git a/plugins/TelescopeControl/src/NexStar/TelescopeClientDirectNexStar.hpp b/plugins/TelescopeControl/src/NexStar/TelescopeClientDirectNexStar.hpp
index daf5b528081cf..823a6f5bff0b4 100644
--- a/plugins/TelescopeControl/src/NexStar/TelescopeClientDirectNexStar.hpp
+++ b/plugins/TelescopeControl/src/NexStar/TelescopeClientDirectNexStar.hpp
@@ -72,6 +72,7 @@ class TelescopeClientDirectNexStar : public TelescopeClient, public Server
 	void telescopeSync(const Vec3d &j2000Pos, StelObjectP selectObject) override;
 	bool isTelescopeSyncSupported() const override {return true;}
 	void telescopeAbortSlew() override;
+	bool isAbortSlewSupported() const override {return true;}
 	bool isInitialized(void) const override;
 	
 	//======================================================================
diff --git a/plugins/TelescopeControl/src/TelescopeClient.hpp b/plugins/TelescopeControl/src/TelescopeClient.hpp
index dabb1ebd6b04e..9992ef61b056b 100644
--- a/plugins/TelescopeControl/src/TelescopeClient.hpp
+++ b/plugins/TelescopeControl/src/TelescopeClient.hpp
@@ -95,6 +95,9 @@ class TelescopeClient : public QObject, public StelObject
 	//! Send command to abort slew. Not all telescopes support this, base implementation only gives a warning.
 	//! After abort, the current position should be retrieved and displayed.
 	virtual void telescopeAbortSlew();
+	//! report whether this client can abort a running slew.
+	//! Can be used for GUI tweaks
+	virtual bool isAbortSlewSupported() const {return false;}
 
 	//!
 	//! \brief move
diff --git a/plugins/TelescopeControl/src/gui/SlewDialog.cpp b/plugins/TelescopeControl/src/gui/SlewDialog.cpp
index 81508852a1364..ea16fc6f99bb8 100644
--- a/plugins/TelescopeControl/src/gui/SlewDialog.cpp
+++ b/plugins/TelescopeControl/src/gui/SlewDialog.cpp
@@ -367,6 +367,7 @@ void SlewDialog::onCurrentTelescopeChanged()
 		return;
 
 	ui->pushButtonSync->setEnabled(telescope->isTelescopeSyncSupported());
+	ui->pushButtonAbort->setEnabled(telescope->isAbortSlewSupported());
 	auto controlWidget = telescope->createControlWidget(telescope);
 	if (!controlWidget)
 		return;