Initial commit

engines/glk/alan3/glkio.h

@@ -0,0 +1,98 @@
+/* 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_ALAN3_GLKIO
+#define GLK_ALAN3_GLKIO
+
+#include "glk/glk_api.h"
+#include "glk/windows.h"
+#include "glk/jumps.h"
+
+namespace Glk {
+namespace Alan3 {
+
+class GlkIO : public GlkAPI {
+private:
+	winid_t glkMainWin;
+	winid_t glkStatusWin;
+	schanid_t _soundChannel;
+	int _saveSlot;
+public:
+	bool onStatusLine;
+protected:
+	/**
+	 * Does initialization
+	 */
+	bool initialize();
+public:
+	/**
+	 * Constructor
+	 */
+	GlkIO(OSystem *syst, const GlkGameDescription &gameDesc);
+
+	/**
+	 * Print a string to the window
+	 */
+	void print(const char *fmt, ...);
+
+	/**
+	 * Outputs a string to the window, even during startup
+	 */
+	void forcePrint(const char *str) {
+		glk_put_string(str);
+	}
+
+	void showImage(int image, int align);
+
+	void playSound(int sound);
+
+	void setStyle(int style);
+
+	void statusLine(CONTEXT);
+
+	bool readLine(CONTEXT, char *usrBuf, size_t maxLen);
+
+	void clear() {
+		glk_window_clear(glkMainWin);
+	}
+
+	void flowBreak() {
+		/* Make a new paragraph, i.e one empty line (one or two newlines). */
+		if (_saveSlot == -1 && glk_gestalt(gestalt_Graphics, 0) == 1)
+			glk_window_flow_break(glkMainWin);
+	}
+
+	/**
+	 * If a savegame was selected to be loaded from the launcher, then load it.
+	 * Otherwise, prompt the user for a savegame to load, and then load it
+	 */
+	Common::Error loadGame();
+};
+
+extern GlkIO *g_io;
+
+#undef printf
+#define printf g_io->print
+
+} // End of namespace Alan3
+} // End of namespace Glk
+
+#endif