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engines/glk/window_text_grid.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 GLK_WINDOW_TEXT_GRID_H
+#define GLK_WINDOW_TEXT_GRID_H
+
+#include "glk/windows.h"
+#include "glk/conf.h"
+#include "glk/speech.h"
+
+namespace Glk {
+
+/**
+ * Text Grid window
+ */
+class TextGridWindow : public TextWindow, Speech {
+	/**
+	 * Structure for a row within the grid window
+	 */
+	struct TextGridRow {
+		Common::Array<uint32> _chars;
+		Common::Array<Attributes> _attrs;
+		bool dirty;
+
+		/**
+		 * Constructor
+		 */
+		TextGridRow() : dirty(false) {}
+
+		/**
+		 * Resize the row
+		 */
+		void resize(size_t newSize);
+	};
+	typedef Common::Array<TextGridRow> TextGridRows;
+private:
+	MonoFontInfo &_font;
+private:
+	/**
+	 * Mark a given text row as modified
+	 */
+	void touch(int line);
+
+	/**
+	 * Return or enter, during line input. Ends line input.
+	 */
+	void acceptLine(uint32 keycode);
+public:
+	int _width, _height;
+	TextGridRows _lines;
+
+	int _curX, _curY;    ///< the window cursor position
+
+	///< for line input
+	void *_inBuf;        ///< unsigned char* for latin1, uint32* for unicode
+	int _inOrgX, _inOrgY;
+	int _inMax;
+	int _inCurs, _inLen;
+	Attributes _origAttr;
+	gidispatch_rock_t _inArrayRock;
+	uint32 *_lineTerminators;
+
+	WindowStyle _styles[style_NUMSTYLES]; ///< style hints and settings
+public:
+	/**
+	 * Constructor
+	 */
+	TextGridWindow(Windows *windows, uint rock);
+
+	/**
+	 * Destructor
+	 */
+	~TextGridWindow() override;
+
+	/**
+	 * Get the font info structure associated with the window
+	 */
+	FontInfo *getFontInfo() override { return &_font; }
+
+	/**
+	 * Set the size of a window
+	 */
+	void setSize(const Point &newSize) override {
+		Window::setSize(newSize);
+		_curX = CLIP((int16)_curX, _bbox.left, _bbox.right);
+		_curY = CLIP((int16)_curY, _bbox.top, _bbox.bottom);
+	}
+
+	/**
+	 * Sets the position of a window
+	 */
+	void setPosition(const Point &newPos) override {
+		_bbox.moveTo(newPos);
+		_curX = CLIP((int16)_curX, _bbox.left, _bbox.right);
+		_curY = CLIP((int16)_curY, _bbox.top, _bbox.bottom);
+	}
+
+	/**
+	 * Rearranges the window
+	 */
+	void rearrange(const Rect &box) override;
+
+	/**
+	 * Get window split size within parent pair window
+	 */
+	uint getSplit(uint size, bool vertical) const override;
+
+	/**
+	 * Write a unicode character
+	 */
+	void putCharUni(uint32 ch) override;
+
+	/**
+	 * Unput a unicode character
+	 */
+	bool unputCharUni(uint32 ch) override;
+
+	/**
+	 * Get the cursor position
+	 */
+	Point getCursor() const override { return Point(_curX, _curY); }
+
+	/**
+	 * Move the cursor
+	 */
+	void moveCursor(const Point &newPos) override;
+
+	/**
+	 * Clear the window
+	 */
+	void clear() override;
+
+	/**
+	 * Click the window
+	 */
+	void click(const Point &newPos) override;
+
+	/**
+	 * Cancel a hyperlink event
+	 */
+	void cancelHyperlinkEvent() override {
+		_hyperRequest = false;
+	}
+
+	/**
+	 * Redraw the window
+	 */
+	void redraw() override;
+
+	void acceptReadLine(uint32 arg) override;
+
+	void acceptReadChar(uint arg) override;
+
+	void getSize(uint *width, uint *height) const override;
+
+	void requestCharEvent() override;
+
+	void requestCharEventUni() override;
+
+	/**
+	 * Prepare for inputing a line
+	 */
+	void requestLineEvent(char *buf, uint maxlen, uint initlen) override;
+
+	/**
+	 * Prepare for inputing a line
+	 */
+	void requestLineEventUni(uint32 *buf, uint maxlen, uint initlen) override;
+
+	/**
+	 * Cancel an input line event
+	 */
+	void cancelLineEvent(Event *ev) override;
+
+	/**
+	 * Cancel a mouse event
+	 */
+	void cancelMouseEvent() override {
+		_mouseRequest = false;
+	}
+
+	void requestMouseEvent() override {
+		_mouseRequest = true;
+	}
+
+	void requestHyperlinkEvent() override {
+		_hyperRequest = true;
+	}
+
+	void cancelCharEvent() override {
+		_charRequest = _charRequestUni = false;
+	}
+
+	/**
+	 * Returns a pointer to the styles for the window
+	 */
+	const WindowStyle *getStyles() const override {
+		return _styles;
+	}
+};
+
+} // End of namespace Glk
+
+#endif