Editing of keywords

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@255 0fc631ac-6414-0410-93d0-97cfa31319b6

src/data/action/keyword.cpp

@@ -10,6 +10,9 @@
 #include <data/keyword.hpp>
 #include <data/set.hpp>
 #include <data/game.hpp>
+#include <script/parser.hpp>
+#include <util/tagged_string.hpp>
+#include <util/error.hpp>
 
 DECLARE_TYPEOF_COLLECTION(KeywordModeP);
 
@@ -69,3 +72,101 @@ void RemoveKeywordAction::perform(bool to_undo) {
 		set.keywords.insert(set.keywords.begin() + keyword_id, keyword);
 	}
 }
+
+// ----------------------------------------------------------------------------- : Changing keywords
+
+KeywordReminderTextValue::KeywordReminderTextValue(const TextFieldP& field, Keyword* keyword, bool editable)
+	: KeywordTextValue(field, keyword, &keyword->reminder.getUnparsed(), editable)
+{}
+
+void KeywordReminderTextValue::store() {
+	if (!editable) {
+		retrieve();
+		return;
+	}
+	// Re-highlight
+	String new_value = untag(value);
+	highlight(new_value);
+	// Try to parse the script
+	try {
+		ScriptP new_script = parse(new_value, true);
+		// parsed okay, assign
+		errors.clear();
+		keyword.reminder.getScriptP()  = new_script;
+		keyword.reminder.getUnparsed() = new_value;
+	} catch (const Error& e) {
+		// parse errors, report
+		errors = e.what(); // TODO
+	}
+}
+
+void KeywordReminderTextValue::retrieve() {
+	highlight(*underlying);
+}
+
+void KeywordReminderTextValue::highlight(const String& code) {
+	// Add tags to indicate code / syntax highlight
+	// i.e.  bla {if code "x" } bla
+	// becomes:
+	//       bla <code>{<code-kw>if</code-kw> code "<code-string>x</code-string>" } bla
+	String new_value;
+	int in_brace = 0;
+	bool in_string = true;
+	for (size_t pos = 0 ; pos < code.size() ; ) {
+		Char c = code.GetChar(pos);
+		if (c == _('<')) {
+			new_value += _('\1'); // escape
+			++pos;
+		} else if (c == _('{')) {
+			in_brace++;
+			if (in_brace == 1) new_value += _("<code>");
+			if (in_string) in_string = false;
+			new_value += c;
+			++pos;
+		} else if (c == _('}') && !in_string) {
+			new_value += c;
+			in_brace--;
+			if (in_brace == 0) {
+				new_value += _("</code>");
+				in_string = true;
+			}
+			++pos;
+		} else if (c == _('"')) {
+			if (in_string) {
+				in_string = false;
+				new_value += _("\"<code-str>");
+			} else {
+				in_string = true;
+				new_value += _("<code-str>\"");
+			}
+			++pos;
+		} else if (c == _('\\') && in_string && pos + 1 < code.size()) {
+			new_value += c + code.GetChar(pos + 1); // escape code
+			pos += 2;
+		} else if (is_substr(code, pos, _("if ")) && !in_string) {
+			new_value += _("<code-kw>if</code-kw> ");
+			pos += 3;
+		} else if (is_substr(code, pos, _("then ")) && !in_string) {
+			new_value += _("<code-kw>then</code-kw> ");
+			pos += 5;
+		} else if (is_substr(code, pos, _("else ")) && !in_string) {
+			new_value += _("<code-kw>else</code-kw> ");
+			pos += 5;
+		} else if (is_substr(code, pos, _("for ")) && !in_string) {
+			new_value += _("<code-kw>for</code-kw> ");
+			pos += 4;
+		} else if (is_substr(code, pos, _("param")) && !in_string) {
+			// parameter reference
+			size_t end = code.find_first_not_of(_("0123456789"), pos + 5);
+			if (end == String::npos) end = code.size();
+			String param = code.substr(pos, end-pos);
+			new_value += _("<") + param + _(">") + param + _("</") + param + _(">");
+			pos = end;
+		} else {
+			new_value += c;
+			++pos;
+		}
+	}
+	// set
+	value = new_value;
+}

src/data/action/keyword.hpp

@@ -16,6 +16,7 @@
 
 #include <util/prec.hpp>
 #include <util/action_stack.hpp>
+#include <data/field/text.hpp>
 
 class Set;
 DECLARE_POINTER_TYPE(Keyword);
@@ -62,5 +63,38 @@ class RemoveKeywordAction : public KeywordListAction {
 
 // ----------------------------------------------------------------------------- : Changing keywords
 
+/// A FakeTextValue that is used to edit an aspect of a keyword
+/** These values can be seen in ValueActions.
+ *  Can edit one of:
+ *    - the keyword name
+ *    - the match string
+ *    - reminder text
+ */
+class KeywordTextValue : public FakeTextValue {
+  public:
+	KeywordTextValue(const TextFieldP& field, Keyword* keyword, String* underlying, bool editable, bool untagged = false)
+		: FakeTextValue(field, underlying, editable, untagged)
+		, keyword(*keyword)
+	{}
+	
+	Keyword& keyword;	///< The keyword that is being edited
+};
+
+/// A FakeTextValue that is used to edit reminder text scripts
+class KeywordReminderTextValue : public KeywordTextValue {
+  public:
+	KeywordReminderTextValue(const TextFieldP& field, Keyword* keyword, bool editable);
+	
+	String errors; ///< Errors in the script
+	
+	/// Try to compile the script
+	virtual void store();
+	/// Add some tags, so the script looks nice
+	virtual void retrieve();
+	
+	/// Syntax highlight, and store in value
+	void highlight(const String& code);
+};
+
 // ----------------------------------------------------------------------------- : EOF
 #endif

src/data/field/text.cpp

@@ -109,18 +109,25 @@ IMPLEMENT_REFLECTION_NAMELESS(TextValue) {
 
 // ----------------------------------------------------------------------------- : FakeTextValue
 
-FakeTextValue::FakeTextValue(const TextFieldP& field, String* underlying, bool untagged)
+FakeTextValue::FakeTextValue(const TextFieldP& field, String* underlying, bool editable, bool untagged)
 	: TextValue(field), underlying(underlying)
-	, untagged(untagged)
+	, editable(editable), untagged(untagged)
-{
+{}
-	if (underlying) {
+
-		value.assign(untagged ? escape(*underlying) : *underlying);
+void FakeTextValue::store() {
+	if (editable) {
+		*underlying = untagged ? untag(value) : value;
+	} else {
+		retrieve();
 	}
 }
+void FakeTextValue::retrieve() {
+	value.assign(untagged ? escape(*underlying) : *underlying);
+}
 
 void FakeTextValue::onAction(Action& a, bool undone) {
 	if (underlying) {
-		*underlying = untagged ? untag(value) : value;
+		store();
 	}
 }
 
@@ -130,6 +137,6 @@ bool FakeTextValue::equals(const Value* that) {
 	const FakeTextValue* thatT = dynamic_cast<const FakeTextValue*>(that);
 	if (!thatT || underlying != thatT->underlying) return false;
 	// update the value
-	value.assign(untagged ? escape(*underlying) : *underlying);
+	retrieve();
 	return true;
 }

src/data/field/text.hpp

@@ -107,10 +107,18 @@ class FakeTextValue : public TextValue {
   public:
 	/// Initialize the fake text value
 	/** underlying can be nullptr, in that case there is no underlying value */
-	FakeTextValue(const TextFieldP& field, String* underlying, bool untagged);
+	FakeTextValue(const TextFieldP& field, String* underlying, bool editable, bool untagged);
 	
 	String* const underlying; ///< The underlying actual value, can be null
-	bool const untagged; ///< The underlying value is untagged
+	bool const editable;      ///< The underlying value can be edited
+	bool const untagged;      ///< The underlying value is untagged
+	
+	/// Store the value in the underlying value.
+	/** May be overloaded to do some transformation */
+	virtual void store();
+	/// Retrieve the value from the underlying value.
+	/** May be overloaded to do some transformation */
+	virtual void retrieve();
 	
 	/// Update underlying data
 	virtual void onAction(Action& a, bool undone);

src/data/font.cpp

@@ -27,7 +27,7 @@ void Font::initDependencies(Context& ctx, const Dependency& dep) const {
 	shadow_color.initDependencies(ctx, dep);
 }
 
-FontP Font::make(bool bold, bool italic, bool placeholder_color, Color* other_color) const {
+FontP Font::make(bool bold, bool italic, bool placeholder_color, bool code_color, Color* other_color) const {
 	FontP f(new Font(*this));
 	if (bold) f->font.SetWeight(wxBOLD);
 	if (italic) {
@@ -37,6 +37,11 @@ FontP Font::make(bool bold, bool italic, bool placeholder_color, Color* other_co
 			f->font.SetWeight(wxBOLD);
 		}
 	}
+	if (code_color) {
+		f->color = Color(128,0,0);
+		f->font.SetFamily(wxFONTFAMILY_TELETYPE);
+		f->font.SetFaceName(_("Courier New"));
+	}
 	if (placeholder_color) {
 		f->color = f->separator_color;
 		f->shadow_displacement = RealSize(0,0); // no shadow

src/data/font.hpp

@@ -41,7 +41,7 @@ class Font {
 	inline bool hasShadow() { return shadow_displacement.width != 0 || shadow_displacement.height != 0; }
 	
 	/// Make a bold/italic/placeholder version of this font
-	FontP make(bool bold, bool italic, bool placeholder_color, Color* other_color) const;
+	FontP make(bool bold, bool italic, bool placeholder_color, bool code_color, Color* other_color) const;
 	
   private:
 	DECLARE_REFLECTION();

src/data/keyword.hpp

@@ -40,6 +40,8 @@ class KeywordParam {
 /// Information on when and how to use a keyword
 class KeywordMode {
   public:
+	KeywordMode() : is_default(false) {}
+	
 	String name;		///< Name of the mode
 	String description;	///< Description of the type
 	bool   is_default;	///< This is the default mode for new keywords

src/gui/control/keyword_list.cpp

@@ -10,6 +10,8 @@
 #include <data/set.hpp>
 #include <data/game.hpp>
 #include <data/keyword.hpp>
+#include <data/action/value.hpp>
+#include <data/action/keyword.hpp>
 #include <util/tagged_string.hpp>
 #include <gfx/gfx.hpp>
 
@@ -47,8 +49,49 @@ void KeywordList::onChangeSet() {
 }
 
 void KeywordList::onAction(const Action& action, bool undone) {
-	//TYPE_CASE(action, AddKeywordAction) {
+	TYPE_CASE(action, AddKeywordAction) {
-	//}
+		if (undone) {
+			long pos = selected_item_pos;
+			refreshList();
+			if (action.keyword == selected_item) {
+				// select the next keyword, if not possible, select the last
+				if (pos + 1 < GetItemCount()) {
+					selectItemPos(pos, true);
+				} else {
+					selectItemPos(GetItemCount() - 1, true);
+				}
+			}
+		} else {
+			// select the new keyword
+			selectItem(action.keyword, false /*list will be refreshed anyway*/, true);
+			refreshList();
+		}
+	}
+	TYPE_CASE(action, RemoveKeywordAction) {
+		if (undone) {
+			// select the re-added keyword
+			selectItem(action.keyword, false /*list will be refreshed anyway*/, true);
+			refreshList();
+		} else {
+			long pos = selected_item_pos;
+			refreshList();
+			if (action.keyword == selected_item) {
+				// select the next keyword, if not possible, select the last
+				if (pos + 1 < GetItemCount()) {
+					selectItemPos(pos, true);
+				} else {
+					selectItemPos(GetItemCount() - 1, true);
+				}
+			}
+		}
+	}
+	TYPE_CASE(action, ValueAction) {
+		KeywordTextValue* value = dynamic_cast<KeywordTextValue*>(action.valueP.get());
+		if (value) {
+			// this is indeed an action on a keyword, refresh
+			refreshList();
+		}
+	}
 }
 
 // ----------------------------------------------------------------------------- : KeywordListBase : for ItemList
@@ -83,8 +126,8 @@ bool KeywordList::compareItems(void* a, void* b) const {
 		case 1: return ka.match   < kb.match;
 		case 2: return ka.mode    < kb.mode;
 		//case 3:
-		//case 4:
+		case 4: return ka.reminder.getUnparsed() < kb.reminder.getUnparsed();
-		default: // TODO: 3 and 4
+		default: // TODO: 3
 				return ka.keyword < kb.keyword;
 	}
 }
@@ -98,7 +141,7 @@ String KeywordList::OnGetItemText (long pos, long col) const {
 		case 1:		return match_string(kw);
 		case 2:		return kw.mode;
 		case 3:		return _("TODO");
-		case 4:		return _("TODO");
+		case 4:		return kw.reminder.getUnparsed();
 		default:	return wxEmptyString;
 	}
 }

src/gui/control/text_ctrl.cpp

@@ -40,6 +40,10 @@ TextField& TextCtrl::getField() {
 	assert(!viewers.empty());
 	return static_cast<TextField&>(*viewers.front()->getField());
 }
+TextFieldP TextCtrl::getFieldP() {
+	assert(!viewers.empty());
+	return static_pointer_cast<TextField>(viewers.front()->getField());
+}
 void TextCtrl::updateSize() {
 	wxSize cs = GetClientSize();
 	Style& style = getStyle();
@@ -49,36 +53,15 @@ void TextCtrl::updateSize() {
 }
 
 void TextCtrl::setValue(String* value, bool untagged) {
-	if (value != this->value) {
+	setValue(new_shared4<FakeTextValue>(getFieldP(), value, true, untagged));
-		this->value = value;
-		// create a new value, for a different underlying actual value
-		ValueViewer& viewer = *viewers.front();
-		TextValueP new_value(new FakeTextValue(static_pointer_cast<TextField>(viewer.getField()), this->value, untagged));
-		viewer.setValue(new_value);
-		updateSize();
-		valueChanged();
-	}
 }
-void TextCtrl::valueChanged() {
+void TextCtrl::setValue(const FakeTextValueP& value) {
-	if (!viewers.empty()) {
+	value->retrieve();
-		TextValue& tv = static_cast<TextValue&>(*viewers.front()->getValue());
+	viewers.front()->setValue(value);
-		tv.value.assign(value ? String(*value) : String(wxEmptyString));
+	updateSize();
-		viewers.front()->onValueChange();
-	}
 	onChange();
 }
-void TextCtrl::onAction(const Action& action, bool undone) {
+
-	DataEditor::onAction(action, undone);
-	/*
-	TYPE_CASE(action, TextValueAction) {
-		FakeTextValue& tv = static_cast<FakeTextValue&>(*viewers.front()->getValue());
-		if (tv.equals(action.valueP.get())) {
-			// the value has changed
-			if (value) *value = tv.value();
-		}
-	}
-	*/
-}
 void TextCtrl::onChangeSet() {
 	DataEditor::onChangeSet();
 	// initialize
@@ -86,7 +69,7 @@ void TextCtrl::onChangeSet() {
 		// create a field, style and value
 		TextFieldP field(new TextField);
 		TextStyleP style(new TextStyle(field));
-		TextValueP value(new FakeTextValue(field, nullptr, false));
+		TextValueP value(new FakeTextValue(field, nullptr, false, false));
 		// set stuff
 		field->index = 0;
 		field->multi_line = multi_line;

src/gui/control/text_ctrl.hpp

@@ -12,8 +12,9 @@
 #include <util/prec.hpp>
 #include <gui/control/card_editor.hpp>
 
-class TextField;
 class TextStyle;
+DECLARE_POINTER_TYPE(TextField);
+DECLARE_POINTER_TYPE(FakeTextValue);
 
 // ----------------------------------------------------------------------------- : TextCtrl
 
@@ -31,16 +32,20 @@ class TextCtrl : public DataEditor {
 	TextCtrl(Window* parent, int id, bool multi_line, long style = 0);
 	
 	/// Set the value that is being edited
+	/** value can be a nullptr*/
 	void setValue(String* value, bool untagged = false);
-	/// Notification that the value has changed outside this control
+	/// Set the value that is being edited
-	void valueChanged();
+	void setValue(const FakeTextValueP& value);
+	
+	/// Update the size, for example after changing the style
+	void updateSize();
 	
 	/// Get access to the field used by the control
 	TextField& getField();
+	/// Get access to the field used by the control
+	TextFieldP getFieldP();
 	/// Get access to the style used by the control
 	TextStyle& getStyle();
-	/// Update the size, for example after changing the style
-	void updateSize();
 	
 	/// Uses a native look
 	virtual bool nativeLook()  const { return true; }
@@ -49,8 +54,6 @@ class TextCtrl : public DataEditor {
 	
 	virtual void draw(DC& dc);
 	
-	/// When an action is received, change the underlying value
-	virtual void onAction(const Action&, bool undone);
 	virtual void onChangeSet();
 	
   protected:

src/gui/set/cards_panel.cpp

@@ -272,6 +272,7 @@ CardP CardsPanel::selectedCard() const {
 	return card_list->getCard();
 }
 void CardsPanel::selectCard(const CardP& card) {
+	if (!set) return; // we want onChangeSet first
 	card_list->setCard(card);
 	editor->setCard(card);
 	notes->setValue(card ? &card->notes : nullptr);

src/gui/set/keywords_panel.cpp

@@ -12,6 +12,7 @@
 #include <gui/icon_menu.hpp>
 #include <gui/util.hpp>
 #include <data/keyword.hpp>
+#include <data/action/value.hpp>
 #include <data/action/keyword.hpp>
 #include <data/field/text.hpp>
 #include <util/window_id.hpp>
@@ -29,12 +30,14 @@ KeywordsPanel::KeywordsPanel(Window* parent, int id)
 	panel     = new Panel(splitter, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0 /* no tab traversal*/);
 	keyword   = new TextCtrl(panel, wxID_ANY, false);
 	match     = new TextCtrl(panel, wxID_ANY, false);
-	reminder  = new TextCtrl(panel, wxID_ANY, false);
+	reminder  = new TextCtrl(panel, wxID_ANY, true); // allow multiline for wordwrap
 	rules     = new TextCtrl(panel, wxID_ANY, true);
+	fixed     = new wxStaticText(panel, wxID_ANY, _("This is a standard $game keyword, you can not edit it. ")
+		                                          _("If you make a copy of the keyword your copy will take precedent."));
+	errors    = new wxStaticText(panel, wxID_ANY, _(""));
 	// init sizer for panel
-	wxSizer* sp = new wxBoxSizer(wxVERTICAL);
+	sp = new wxBoxSizer(wxVERTICAL);
-		sp->Add(new wxStaticText(panel, wxID_ANY, _("This is a standard $game keyword, you can not edit it. ")
+		sp->Add(fixed, 0, wxALL, 6);
-		                                          _("If you make a copy of the keyword your copy will take precedent.")), 0, wxALL, 6);
 		sp->Add(new wxStaticText(panel, wxID_ANY, _("Keyword:")), 0, wxALL, 6);
 		sp->Add(keyword, 0, wxEXPAND | wxALL & ~wxTOP, 6);
 		wxSizer* s2 = new wxStaticBoxSizer(wxVERTICAL, panel, _("Match"));
@@ -43,7 +46,8 @@ KeywordsPanel::KeywordsPanel(Window* parent, int id)
 			s2->Add(new wxStaticText(panel, wxID_ANY, _("Parameters:")), 0, wxALL, 6);
 		sp->Add(s2, 0, wxEXPAND | wxALL, 6);
 		sp->Add(new wxStaticText(panel, wxID_ANY, _("Reminder:")), 0, wxALL, 6);
-		sp->Add(reminder, 0, wxEXPAND | wxALL & ~wxTOP, 6);
+		sp->Add(reminder, 1, wxEXPAND | wxALL & ~wxTOP, 6);
+		sp->Add(errors,   0, wxALL & ~wxTOP, 6);
 		sp->Add(new wxStaticText(panel, wxID_ANY, _("Example:")), 0, wxALL, 6);
 		sp->Add(new wxStaticText(panel, wxID_ANY, _("Rules:")), 0, wxALL, 6);
 		sp->Add(rules, 1, wxEXPAND | wxALL & ~wxTOP, 6);
@@ -144,20 +148,43 @@ void KeywordsPanel::onChangeSet() {
 	match   ->updateSize();
 	reminder->setSet(set);
 	reminder->getStyle().padding_bottom = 2;
+	match   ->getStyle().font.size = 10;
+	match   ->getStyle().font.font.SetPointSize(10);
 	reminder->updateSize();
 	rules   ->setSet(set);
 	// re-layout
 	panel->Layout();
 }
 
+void KeywordsPanel::onAction(const Action& action, bool undone) {
+	TYPE_CASE(action, ValueAction) {
+		KeywordReminderTextValue* value = dynamic_cast<KeywordReminderTextValue*>(action.valueP.get());
+		if (value && &value->keyword == list->getKeyword().get()) {
+			// the current keyword's reminder text changed
+			errors->SetLabel(value->errors);
+		}
+	}
+}
+
 void KeywordsPanel::onKeywordSelect(KeywordSelectEvent& ev) {
 	if (ev.keyword) {
-		panel->Enable(!ev.keyword->fixed);
+		Keyword& kw = *ev.keyword;
-		keyword->setValue(&ev.keyword->keyword, true);
+		//sp->Show(fixed, kw.fixed);
-		match  ->setValue(&ev.keyword->match);
+		fixed->SetLabel(kw.fixed ? _("This is a standard $game keyword, you can not edit it. ")
-		rules  ->setValue(&ev.keyword->rules);
+		                           _("If you make a copy of the keyword your copy will take precedent.")
+		                         : _(""));
+		Layout();
+		keyword ->setValue(new_shared5<KeywordTextValue>        (keyword->getFieldP(),  &kw, &kw.keyword, !kw.fixed, true));
+		match   ->setValue(new_shared4<KeywordTextValue>        (match->getFieldP(),    &kw, &kw.match,   !kw.fixed));
+		rules   ->setValue(new_shared4<KeywordTextValue>        (rules->getFieldP(),    &kw, &kw.rules,   !kw.fixed));
+		shared_ptr<KeywordReminderTextValue> reminder_value(new KeywordReminderTextValue(reminder->getFieldP(), &kw,              !kw.fixed));
+		reminder->setValue(reminder_value);
+		errors->SetLabel(reminder_value->errors);
 	} else {
-		panel->Enable(false);
+		keyword ->setValue(nullptr);
+		match   ->setValue(nullptr);
+		rules   ->setValue(nullptr);
+		reminder->setValue(nullptr);
 	}
 }
 

src/gui/set/keywords_panel.hpp

@@ -27,6 +27,7 @@ class KeywordsPanel : public SetWindowPanel {
 	~KeywordsPanel();
 	
 	virtual void onChangeSet();
+	virtual void onAction(const Action&, bool);
 	
 	// --------------------------------------------------- : UI
 	
@@ -41,12 +42,15 @@ class KeywordsPanel : public SetWindowPanel {
 	// --------------------------------------------------- : Controls
 	wxSplitterWindow* splitter;
 	wxPanel*          panel;
+	wxSizer*          sp;
 	KeywordList*      list;
 	TextCtrl*         keyword;
 	TextCtrl*         match;
 	TextCtrl*         reminder;
 	TextCtrl*         rules;
 	IconMenu*         menuKeyword;
+	wxStaticText*     fixed;
+	wxStaticText*     errors;
 	
 	// --------------------------------------------------- : Events
 	void onKeywordSelect(KeywordSelectEvent& ev);

src/render/text/element.cpp

@@ -66,17 +66,21 @@ Color param_colors[] =
 	,	Color(0,170,170)
 	,	Color(200,0,0)
 	};
+const size_t param_colors_count = sizeof(param_colors) / sizeof(param_colors[0]);
 
 // Helper class for TextElements::fromString, to allow persistent formating state accross recusive calls
 struct TextElementsFromString {
 	// What formatting is enabled?
 	int bold, italic, symbol;
 	int soft, kwpph, param, line;
+	int code, code_kw, code_string, param_ref;
 	int param_id;
 	bool bracket;
 	
 	TextElementsFromString()
-		: bold(0), italic(0), symbol(0), soft(0), kwpph(0), param(0), line(0), param_id(0), bracket(false) {}
+		: bold(0), italic(0), symbol(0), soft(0), kwpph(0), param(0), line(0)
+		, code(0), code_kw(0), code_string(0), param_ref(0)
+		, param_id(0), bracket(false) {}
 	
 	// read TextElements from a string
 	void fromString(TextElements& te, const String& text, size_t start, size_t end, const TextStyle& style, Context& ctx) {
@@ -87,20 +91,39 @@ struct TextElementsFromString {
 			if (c == _('<')) {
 				size_t tag_start = pos;
 				pos = skip_tag(text, tag_start);
-				if      (is_substr(text, tag_start, _( "<b")))          bold   += 1;
+				if      (is_substr(text, tag_start, _( "<b")))          bold        += 1;
-				else if (is_substr(text, tag_start, _("</b")))          bold   -= 1;
+				else if (is_substr(text, tag_start, _("</b")))          bold        -= 1;
-				else if (is_substr(text, tag_start, _( "<i")))          italic += 1;
+				else if (is_substr(text, tag_start, _( "<i")))          italic      += 1;
-				else if (is_substr(text, tag_start, _("</i")))          italic -= 1;
+				else if (is_substr(text, tag_start, _("</i")))          italic      -= 1;
-				else if (is_substr(text, tag_start, _( "<sym")))        symbol += 1;
+				else if (is_substr(text, tag_start, _( "<sym")))        symbol      += 1;
-				else if (is_substr(text, tag_start, _("</sym")))        symbol -= 1;
+				else if (is_substr(text, tag_start, _("</sym")))        symbol      -= 1;
-				else if (is_substr(text, tag_start, _( "<sep-soft")))   soft   += 1;
+				else if (is_substr(text, tag_start, _( "<sep-soft")))   soft        += 1;
-				else if (is_substr(text, tag_start, _("</sep-soft")))   soft   -= 1;
+				else if (is_substr(text, tag_start, _("</sep-soft")))   soft        -= 1;
-				else if (is_substr(text, tag_start, _( "<atom-kwpph"))) kwpph  += 1;
+				else if (is_substr(text, tag_start, _( "<atom-kwpph"))) kwpph       += 1;
-				else if (is_substr(text, tag_start, _("</atom-kwpph"))) kwpph  -= 1;
+				else if (is_substr(text, tag_start, _("</atom-kwpph"))) kwpph       -= 1;
-				else if (is_substr(text, tag_start, _( "<param")))      param  += 1;
+				else if (is_substr(text, tag_start, _( "<code-kw")))    code_kw     += 1;
-				else if (is_substr(text, tag_start, _("</param")))      param  -= 1;
+				else if (is_substr(text, tag_start, _("</code-kw")))    code_kw     -= 1;
-				else if (is_substr(text, tag_start, _( "<line")))       line   += 1;
+				else if (is_substr(text, tag_start, _( "<code-str")))   code_string += 1;
-				else if (is_substr(text, tag_start, _("</line")))       line   -= 1;
+				else if (is_substr(text, tag_start, _("</code-str")))   code_string -= 1;
+				else if (is_substr(text, tag_start, _( "<code")))       code        += 1;
+				else if (is_substr(text, tag_start, _("</code")))       code        -= 1;
+				else if (is_substr(text, tag_start, _( "<ref-param"))) {
+					// determine the param being referenced
+					// from a tag <param123>
+					if (pos != String::npos) {
+						String ref = text.substr(tag_start + 6, pos - tag_start - 7);
+						long ref_n;
+						if (ref.ToLong(&ref_n)) {
+							param_id = ref_n;
+						}
+					}
+					param_ref += 1;
+				}
+				else if (is_substr(text, tag_start, _("</ref-param")))  param_ref   -= 1;
+				else if (is_substr(text, tag_start, _( "<param")))      param       += 1;
+				else if (is_substr(text, tag_start, _("</param")))      param       -= 1;
+				else if (is_substr(text, tag_start, _( "<line")))       line        += 1;
+				else if (is_substr(text, tag_start, _("</line")))       line        -= 1;
 				else if (is_substr(text, tag_start, _("<atom"))) {
 					// 'atomic' indicator
 					size_t end = match_close_tag(text, tag_start);
@@ -129,8 +152,10 @@ struct TextElementsFromString {
 						e = new SymbolTextElement(text, pos, pos + 1, style.symbol_font, &ctx);
 						bracket = false;
 					} else {
-						FontP font = style.font.make(bold > 0, italic > 0, soft > 0 || kwpph > 0,
+						FontP font = style.font.make(bold > 0, italic > 0, soft > 0 || kwpph > 0, code > 0,
-						                             param > 0 ? &param_colors[(param_id++) % (sizeof(param_colors)/sizeof(param_colors[0]))] : nullptr);
+						                             param > 0 || param_ref > 0
+						                               ? &param_colors[(param_id++) % param_colors_count]
+						                               : nullptr);
 						bracket = kwpph > 0 || param > 0;
 						e = new FontTextElement(
 									text,

src/script/scriptable.hpp

@@ -76,7 +76,11 @@ class OptionalScript {
 	void initDependencies(Context&, const Dependency& dep) const;
 	
 	/// Get access to the script, be careful
-	Script& getScript();
+	Script&  getScript();
+	inline ScriptP& getScriptP() { return script; }
+	/// Get access to the unparsed value
+	inline       String& getUnparsed()       { return unparsed; }
+	inline const String& getUnparsed() const { return unparsed; }
 	
   protected:
 	ScriptP script;		///< The script, may be null if there is no script