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engines/mm/mm1/views_enh/scroll_text.cpp

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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/>.
+ *
+ */
+
+#include "mm/mm1/views_enh/scroll_text.h"
+#include "mm/mm1/globals.h"
+#include "mm/shared/utils/strings.h"
+
+namespace MM {
+namespace MM1 {
+namespace ViewsEnh {
+
+#define FONT_HEIGHT 8
+
+ScrollText::ScrollText(const Common::String &name) :
+		ScrollView(name) {
+}
+
+ScrollText::ScrollText(const Common::String &name, UIElement *owner) :
+	ScrollView(name, owner) {
+}
+
+void ScrollText::setBounds(const Common::Rect &r) {
+	ScrollView::setBounds(r);
+	_rowCount = _innerBounds.height() / FONT_HEIGHT;
+}
+
+void ScrollText::addLine(const Common::String &str,
+		TextAlign align, byte color) {
+	if (_lines.size() < _rowCount) {
+		switch (align) {
+		case ALIGN_LEFT:
+			addText(str, _lines.size(), color, align);
+			break;
+		case ALIGN_RIGHT:
+			addText(str, _lines.size(), color, align);
+			break;
+		case ALIGN_MIDDLE:
+			addText(str, _lines.size(), color, align);
+			break;
+		}
+	}
+}
+
+void ScrollText::addText(const Common::String &s,
+		int lineNum, byte color, TextAlign align, int xp) {
+	const int LINE_HEIGHT = 10;
+	Common::String str = s;
+
+	if (lineNum == -1)
+		lineNum = (int)_lines.size();
+	Common::Point pt(xp, lineNum * LINE_HEIGHT);
+
+	// Split the lines
+	Common::StringArray lines = splitLines(s);
+
+	// Add them in
+	for (uint i = 0; i < lines.size(); ++i, ++lineNum, pt.y += LINE_HEIGHT) {
+		_lines.push_back(Line(lines[i], pt, color, align));
+	}
+}
+
+void ScrollText::draw() {
+	ScrollView::draw();
+
+	// Iterate through displaying any text
+	for (Lines::const_iterator i = begin(); i != end(); ++i) {
+		setTextColor(i->_color);
+		writeString(i->_pos.x, i->_pos.y, i->_str, i->_align);
+	}
+}
+
+} // namespace ViewsEnh
+} // namespace MM1
+} // namespace MM