Network: SSH list item now indicates a running server.

* This will be moved into the network preferences, so that it can be
  used from other add-ons, as well.

src/add-ons/network_settings/sshd/Jamfile

@@ -5,6 +5,7 @@ UsePrivateHeaders app libroot kernel net shared ;
 
 Addon SSHService :
 	SSHServiceAddOn.cpp
+	ServiceListItem.cpp
 	ServiceView.cpp
 
 	: be bnetapi libshared.a <nogrist>Network [ TargetLibsupc++ ]
@@ -13,5 +14,6 @@ Addon SSHService :
 
 DoCatalogs SSHService : x-vnd.Haiku-SSHService :
 	SSHServiceAddOn.cpp
+	ServiceListItem.cpp
 	ServiceView.cpp
 ;

src/add-ons/network_settings/sshd/SSHServiceAddOn.cpp

@@ -15,7 +15,6 @@
 #include <LayoutBuilder.h>
 #include <NetworkSettings.h>
 #include <NetworkSettingsAddOn.h>
-#include <StringItem.h>
 #include <StringView.h>
 #include <TextView.h>
 
@@ -24,6 +23,7 @@
 #include <user_group.h>
 #include <util/KMessage.h>
 
+#include "ServiceListItem.h"
 #include "ServiceView.h"
 
 
@@ -76,7 +76,7 @@ public:
 
 private:
 			BNetworkSettings&	fSettings;
-			BStringItem*		fItem;
+			BListItem*			fItem;
 			ServiceView*		fView;
 };
 
@@ -171,7 +171,7 @@ SSHServiceView::Enable()
 SSHServiceItem::SSHServiceItem(BNetworkSettings& settings)
 	:
 	fSettings(settings),
-	fItem(new BStringItem(B_TRANSLATE("SSH server"))),
+	fItem(new ServiceListItem("ssh", B_TRANSLATE("SSH server"), settings)),
 	fView(NULL)
 {
 }

src/add-ons/network_settings/sshd/ServiceListItem.cpp

@@ -0,0 +1,126 @@
+/*
+ * Copyright 2015 Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ *
+ * Authors:
+ *		Axel Dörfler, <axeld@pinc-software.de>
+ */
+
+
+#include "ServiceListItem.h"
+
+#include <Catalog.h>
+#include <ControlLook.h>
+
+
+static const char* kEnabledState = "on";
+static const char* kDisabledState = "off";
+
+
+#undef B_TRANSLATION_CONTEXT
+#define B_TRANSLATION_CONTEXT "ServiceListItem"
+
+
+ServiceListItem::ServiceListItem(const char* name, const char* label,
+	const BNetworkSettings& settings)
+	:
+	fName(name),
+	fLabel(label),
+	fSettings(settings),
+	fEnabled(false)
+{
+}
+
+
+ServiceListItem::~ServiceListItem()
+{
+}
+
+
+void
+ServiceListItem::DrawItem(BView* owner, BRect bounds, bool complete)
+{
+	owner->PushState();
+
+	rgb_color lowColor = owner->LowColor();
+
+	if (IsSelected() || complete) {
+		if (IsSelected()) {
+			owner->SetHighColor(ui_color(B_LIST_SELECTED_BACKGROUND_COLOR));
+			owner->SetLowColor(owner->HighColor());
+		} else
+			owner->SetHighColor(lowColor);
+
+		owner->FillRect(bounds);
+	}
+
+	const char* stateText = fEnabled ? B_TRANSLATE(kEnabledState)
+		: B_TRANSLATE(kDisabledState);
+
+	// Set the initial bounds of item contents
+	BPoint statePoint = bounds.RightTop() + BPoint(0, fLineOffset)
+		- BPoint(be_plain_font->StringWidth(stateText)
+			+ be_control_look->DefaultLabelSpacing(), 0);
+	BPoint namePoint = bounds.LeftTop()
+		+ BPoint(be_control_look->DefaultLabelSpacing(), fLineOffset);
+
+	owner->SetDrawingMode(B_OP_OVER);
+
+	rgb_color textColor;
+	if (IsSelected())
+		textColor = ui_color(B_LIST_SELECTED_ITEM_TEXT_COLOR);
+	else
+		textColor = ui_color(B_LIST_ITEM_TEXT_COLOR);
+
+	owner->SetHighColor(textColor);
+	owner->DrawString(fLabel, namePoint);
+
+	if (!fEnabled) {
+		if (textColor.red + textColor.green + textColor.blue > 128 * 3)
+			owner->SetHighColor(tint_color(textColor, B_DARKEN_1_TINT));
+		else
+			owner->SetHighColor(tint_color(textColor, B_LIGHTEN_1_TINT));
+	}
+	owner->DrawString(stateText, statePoint);
+
+	owner->PopState();
+}
+
+
+void
+ServiceListItem::Update(BView* owner, const BFont* font)
+{
+	fOwner = owner;
+	fEnabled = IsEnabled();
+
+	BListItem::Update(owner, font);
+	font_height height;
+	font->GetHeight(&height);
+
+	fLineOffset = 2 + ceilf(height.ascent + height.leading / 2);
+
+	float maxStateWidth = std::max(font->StringWidth(B_TRANSLATE(kEnabledState)),
+		font->StringWidth(B_TRANSLATE(kDisabledState)));
+	SetWidth(font->StringWidth(fLabel)
+		+ 3 * be_control_look->DefaultLabelSpacing() + maxStateWidth);
+	SetHeight(4 + ceilf(height.ascent + height.leading + height.descent));
+}
+
+
+void
+ServiceListItem::SettingsUpdated(uint32 type)
+{
+	if (type == BNetworkSettings::kMsgServiceSettingsUpdated) {
+		bool wasEnabled = fEnabled;
+		fEnabled = IsEnabled();
+		if (wasEnabled != fEnabled)
+			fOwner->Invalidate();
+	}
+}
+
+
+bool
+ServiceListItem::IsEnabled()
+{
+	return fSettings.Service(fName).IsRunning();
+}

src/add-ons/network_settings/sshd/ServiceListItem.h

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2015 Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ *
+ * Authors:
+ *		Axel Dörfler, <axeld@pinc-software.de>
+ */
+#ifndef SERVICE_LIST_ITEM_H
+#define SERVICE_LIST_ITEM_H
+
+
+#include <ListItem.h>
+#include <NetworkSettings.h>
+#include <NetworkSettingsAddOn.h>
+
+
+using namespace BNetworkKit;
+
+
+class ServiceListItem : public BListItem,
+	public BNetworkKit::BNetworkSettingsListener {
+public:
+								ServiceListItem(const char* name,
+									const char* label,
+									const BNetworkSettings& settings);
+	virtual						~ServiceListItem();
+
+	virtual	void				DrawItem(BView* owner,
+									BRect bounds, bool complete);
+	virtual	void				Update(BView* owner, const BFont* font);
+
+	inline	const char*			Name() const { return fName; }
+
+	virtual	void				SettingsUpdated(uint32 type);
+
+protected:
+	virtual	bool				IsEnabled();
+
+private:
+			const char*			fName;
+			const char*			fLabel;
+			const BNetworkSettings&
+								fSettings;
+
+			BView*				fOwner;
+			float				fLineOffset;
+			bool				fEnabled;
+};
+
+
+#endif // SERVICE_LIST_ITEM_H