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engines/sherlock/tattoo/widget_talk.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef SHERLOCK_TATTOO_WIDGET_TALK_H
+#define SHERLOCK_TATTOO_WIDGET_TALK_H
+
+#include "common/scummsys.h"
+#include "sherlock/tattoo/widget_base.h"
+
+namespace Sherlock {
+
+class SherlockEngine;
+
+namespace Tattoo {
+
+enum Highlight { HL_NO_HIGHLIGHTING, HL_CHANGED_HIGHLIGHTS, HL_SCROLLBAR_ONLY };
+
+/**
+ * Handles displaying a dialog with conversation options the player can select from
+ */
+class WidgetTalk: public WidgetBase {
+	struct StatementLine {
+		Common::String _line;
+		int _num;
+
+		StatementLine() : _num(0) {}
+		StatementLine(const Common::String &line, int num) : _line(line), _num(num) {}
+	};
+private:
+	int _talkScrollIndex;
+	Common::Array<StatementLine> _statementLines;
+	int _selector, _oldSelector;
+	int _talkTextX;
+	uint32 _dialogTimer;
+
+	/**
+	 * Get the needed size for a talk window
+	 */
+	void getTalkWindowSize();
+
+	/**
+	 * Re-renders the contenst of the window to the widget's surface
+	 */
+	void render(Highlight highlightMode);
+
+	/**
+	 * This initializes the _statementLines array, which contains the talk options split up line
+	 * by line, as well as which statement a particular line is part of.
+	 */
+	void setStatementLines();
+public:
+	WidgetTalk(SherlockEngine *vm);
+	~WidgetTalk() override {}
+
+	/**
+	 * Figures out how many lines the available talk lines will take up, and opens a text window
+	 * of appropriate size
+	 */
+	void load();
+
+	/**
+	 * Refresh the talk display
+	 */
+	void refresh();
+
+	/**
+	 * Handle event processing
+	 */
+	void handleEvents() override;
+};
+
+} // End of namespace Tattoo
+
+} // End of namespace Sherlock
+
+#endif