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engines/ultima/ultima8/gumps/widgets/edit_widget.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 ULTIMA8_GUMPS_WIDGETS_EDITWIDGET_H
+#define ULTIMA8_GUMPS_WIDGETS_EDITWIDGET_H
+
+//
+// EditWidget. Widget for text input (single or multi-line)
+//
+
+#include "ultima/ultima8/gumps/gump.h"
+
+#include "ultima/ultima8/gfx/fonts/font.h"
+#include "ultima/ultima8/misc/classtype.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+class RenderedText;
+
+class EditWidget : public Gump {
+public:
+	ENABLE_RUNTIME_CLASSTYPE()
+
+	EditWidget(int x, int y, Std::string txt, bool gamefont, int fontnum,
+	           int width, int height, unsigned int maxlength = 0,
+	           bool multiline = false);
+	~EditWidget() override;
+
+	void InitGump(Gump *newparent, bool take_focus = true) override;
+
+	void PaintThis(RenderSurface *, int32 lerp_factor, bool scaled) override;
+	void PaintComposited(RenderSurface *surf, int32 lerp_factor, int32 sx, int32 sy) override;
+
+	Gump *onMouseMotion(int32 mx, int32 my) override;
+	bool OnKeyDown(int key, int mod) override;
+	bool OnKeyUp(int key) override;
+	bool OnTextInput(int unicode) override;
+
+	void OnFocus(bool gain) override;
+
+	//! get the current text
+	Std::string getText() const {
+		return _text;
+	}
+	void setText(const Std::string &t);
+
+	enum Message {
+		EDIT_ENTER = 16,
+		EDIT_ESCAPE = 17
+	};
+
+
+protected:
+	Std::string _text;
+	Std::string::size_type _cursor;
+	bool _gameFont;
+	int _fontNum;
+	unsigned int _maxLength;
+	bool _multiLine;
+
+	uint32 _cursorChanged;
+	bool _cursorVisible;
+
+	void ensureCursorVisible();
+	bool textFits(Std::string &t);
+	void renderText();
+	Font *getFont() const;
+
+	RenderedText *_cachedText;
+
+};
+
+} // End of namespace Ultima8
+} // End of namespace Ultima
+
+#endif