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engines/ultima/shared/gfx/text_input.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 "ultima/shared/gfx/text_input.h"
+#include "ultima/shared/gfx/text_cursor.h"
+#include "ultima/shared/early/game_base.h"
+#include "ultima/shared/engine/messages.h"
+
+namespace Ultima {
+namespace Shared {
+namespace Gfx {
+
+BEGIN_MESSAGE_MAP(TextInput, Popup)
+	ON_MESSAGE(KeypressMsg)
+END_MESSAGE_MAP()
+
+void TextInput::show(const Point &pt, bool isNumeric, size_t maxCharacters, byte color, TreeItem *respondTo) {
+	Popup::show(respondTo);
+	_isNumeric = isNumeric;
+	_maxCharacters = maxCharacters;
+	_color = color;
+	_bounds = Rect(pt.x, pt.y, pt.x + 8 * (maxCharacters + 1), pt.y + 8);
+	_text = "";
+
+	_game->_textCursor->setPosition(Point(_bounds.left, _bounds.top));
+	_game->_textCursor->setVisible(true);
+}
+
+void TextInput::draw() {
+	Popup::draw();
+
+	VisualSurface s = getSurface();
+
+	// Ensure the cursor is at the right position
+	_game->_textCursor->setPosition(Point(_bounds.left + _text.size() * 8, _bounds.top));
+
+	// Display the text
+	Common::String text = _text;
+	while (text.size() < _maxCharacters)
+		text += ' ';
+	s.writeString(text, TextPoint(0, 0), _color);
+}
+
+bool TextInput::KeypressMsg(CKeypressMsg *msg) {
+	uint16 c = msg->_keyState.ascii;
+	//TreeItem *respondTo = _respondTo;
+
+	if (c >= ' ' && c <= 0x7f) {
+		// Printable character
+		if (_text.size() < _maxCharacters && (!_isNumeric || (c >= '0' && c <= '9'))) {
+			_text += msg->_keyState.ascii;
+			setDirty();
+		}
+	} else if (msg->_keyState.keycode == Common::KEYCODE_BACKSPACE || msg->_keyState.keycode == Common::KEYCODE_LEFT) {
+		if (!_text.empty()) {
+			_text.deleteLastChar();
+			setDirty();
+		}
+	} else if (msg->_keyState.keycode == Common::KEYCODE_RETURN || msg->_keyState.keycode == Common::KEYCODE_KP_ENTER) {
+		_game->_textCursor->setVisible(false);
+		hide();
+
+		CTextInputMsg inputMsg(_text, false);
+		inputMsg.execute(_respondTo);
+	} else if (msg->_keyState.keycode == Common::KEYCODE_ESCAPE) {
+		_game->_textCursor->setVisible(false);
+		hide();
+
+		CTextInputMsg inputMsg("", true);
+		inputMsg.execute(_respondTo);
+	}
+
+	return true;
+}
+
+} // End of namespace Gfx
+} // End of namespace Shared
+} // End of namespace Ultima