Qt Editor: Add help/description label for current selection

planet/System.ocg/LanguageDE.txt

@@ -45,6 +45,7 @@ IDS_CNS_CREATE=Erzeugen
 IDS_CNS_CREATESTATUS=Platzierung: %s
 IDS_CNS_CREATOR=Objekte erstellen
 IDS_CNS_DEFINITIONS=Definitionen
+IDS_CNS_DESCRIPTION=Beschreibung
 IDS_CNS_DROPNODEF=Ungültiges oder nicht geladenes Objekt: %s
 IDS_CNS_EDITOR=OpenClonk Editor
 IDS_CNS_EFFECTS=Effekte: 

planet/System.ocg/LanguageUS.txt

@@ -45,6 +45,7 @@ IDS_CNS_CREATE=Create
 IDS_CNS_CREATESTATUS=Place new %s
 IDS_CNS_CREATOR=Create objects
 IDS_CNS_DEFINITIONS=Definitions
+IDS_CNS_DESCRIPTION=Description
 IDS_CNS_DROPNODEF=Object invalid or not loaded: %s
 IDS_CNS_EDITOR=OpenClonk Editor
 IDS_CNS_EFFECTS=Effects: 

src/editor/C4ConsoleQtMainWindow.ui

@@ -483,6 +483,16 @@
        </item>
       </layout>
      </item>
+     <item>
+      <widget class="QLabel" name="selectionHelpLabel">
+       <property name="text">
+        <string notr="true"/>
+       </property>
+       <property name="wordWrap">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
      <item>
       <layout class="QGridLayout" name="objectActionPanel">
        <property name="verticalSpacing">

src/editor/C4ConsoleQtPropListViewer.cpp

@@ -2112,6 +2112,17 @@ QMimeData *C4ConsoleQtPropListModel::mimeData(const QModelIndexList &indexes) co
 	return mimeData;
 }
 
+const char *C4ConsoleQtPropListModel::GetTargetPathHelp() const
+{
+	// Help text in EditorInfo prop. Fall back to description.
+	C4PropList *info_proplist = this->info_proplist.getPropList();
+	if (!info_proplist) return nullptr;
+	C4String *desc = info_proplist->GetPropertyStr(P_EditorInfo);
+	if (!desc) desc = info_proplist->GetPropertyStr(P_Description);
+	if (!desc) return nullptr;
+	return desc->GetCStr();
+}
+
 void C4ConsoleQtPropListModel::AddArrayElement()
 {
 	C4Value new_val;

src/editor/C4ConsoleQtPropListViewer.h

@@ -567,6 +567,7 @@ public:
 	class C4PropList *GetBasePropList() const { return base_proplist.getPropList(); }
 	int32_t GetTargetPathStackSize() const { return target_path_stack.size(); }
 	const char *GetTargetPathText() const { return target_path.GetGetPath(); }
+	const char *GetTargetPathHelp() const;
 	bool IsArray() const { return !!target_value.getArray(); }
 	void AddArrayElement();
 	void RemoveArrayElement();

src/editor/C4ConsoleQtState.cpp

@@ -731,6 +731,7 @@ void C4ConsoleGUIState::PropertyDlgUpdate(C4EditCursorSelection &rSelection, boo
 		ui.selectionInfoLabel->setText(rSelection.GetDataString().getData());
 		ui.propertyEditAscendPathButton->hide();
 		UpdateActionObject(nullptr);
+		ui.selectionHelpLabel->hide();
 	}
 	else
 	{
@@ -749,6 +750,16 @@ void C4ConsoleGUIState::PropertyDlgUpdate(C4EditCursorSelection &rSelection, boo
 			property_model->UpdateValue(false);
 		}
 		ui.selectionInfoLabel->setText(property_model->GetTargetPathText());
+		const char *help_text = property_model->GetTargetPathHelp();
+		if (help_text)
+		{
+			ui.selectionHelpLabel->setText(FormatString("%s: %s", LoadResStr("IDS_CNS_DESCRIPTION"), help_text).getData());
+			ui.selectionHelpLabel->show();
+		}
+		else
+		{
+			ui.selectionHelpLabel->hide();
+		}
 		ui.propertyEditAscendPathButton->setVisible(property_model->GetTargetPathStackSize() >= 1);
 		is_array = property_model->IsArray();
 		if (is_array)

src/script/C4StringTable.cpp

@@ -285,6 +285,8 @@ C4StringTable::C4StringTable()
 	P[P_Select] = "Select";
 	P[P_DescendPath] = "DescendPath";
 	P[P_EmptyName] = "EmptyName";
+	P[P_EditorInfo] = "EditorInfo";
+	P[P_Description] = "Description";
 	P[DFA_WALK] = "WALK";
 	P[DFA_FLIGHT] = "FLIGHT";
 	P[DFA_KNEEL] = "KNEEL";

src/script/C4StringTable.h

@@ -509,6 +509,8 @@ enum C4PropertyName
 	P_Select,
 	P_DescendPath,
 	P_EmptyName,
+	P_EditorInfo,
+	P_Description,
 // Default Action Procedures
 	DFA_WALK,
 	DFA_FLIGHT,