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gui/predictivedialog.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 GUI_PREDICTIVEDIALOG_H
+#define GUI_PREDICTIVEDIALOG_H
+
+#include "gui/dialog.h"
+#include "common/str.h"
+#include "common/stream.h"
+
+namespace GUI {
+
+class EditTextWidget;
+class ButtonWidget;
+class PicButtonWidget;
+
+class PredictiveDialog : public GUI::Dialog {
+public:
+	PredictiveDialog();
+	~PredictiveDialog() override;
+
+	void reflowLayout() override;
+
+	void handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data) override;
+	void handleKeyUp(Common::KeyState state) override;
+	void handleKeyDown(Common::KeyState state) override;
+
+	const char *getResult() const { return _predictiveResult; }
+
+private:
+	enum ButtonId {
+		kButton1Act   = 0,
+		kButton2Act   = 1,
+		kButton3Act   = 2,
+		kButton4Act   = 3,
+		kButton5Act   = 4,
+		kButton6Act   = 5,
+		kButton7Act   = 6,
+		kButton8Act   = 7,
+		kButton9Act   = 8,
+		kNextAct      = 9,
+		kAddAct       = 10,
+		kDelAct       = 11,
+		kCancelAct    = 12,
+		kOkAct        = 13,
+		kModeAct      = 14,
+		kButton0Act   = 15,
+		kNoAct        = -1
+	};
+
+	enum {
+		kButtonCount = kButton0Act + 1
+	};
+
+	enum {
+		kRepeatDelay = 500
+	};
+
+	enum {
+		kMaxLineLen = 80,
+		kMaxWordLen = 24,
+		kMaxWord = 50
+	};
+
+	struct Dict {
+		Dict() : dictLine(nullptr), dictText(nullptr), dictActLine(nullptr),
+		         dictLineCount(0), dictTextSize(0) {}
+		~Dict() { free(dictText); }
+		char **dictLine;
+		char *dictText;
+		char *dictActLine; // using only for united dict...
+		int32 dictLineCount;
+		int32 dictTextSize;
+		Common::String nameDict;
+		Common::String defaultFilename;
+	};
+
+	uint8 countWordsInString(const char *const str);
+	void bringWordtoTop(char *str, int wordnum);
+	void loadDictionary(Common::SeekableReadStream *in, Dict &dict);
+	void loadAllDictionary(Dict &dict);
+	void addWordToDict();
+	void addWord(Dict &dict, const Common::String &word, const Common::String &code);
+	bool searchWord(const char *const where, const Common::String &whatCode);
+	int binarySearch(const char *const *const dictLine, const Common::String &code, const int dictLineCount);
+	bool matchWord();
+	void processButton(ButtonId active);
+	void pressEditText();
+
+	void saveUserDictToFile();
+
+	void mergeDicts();
+
+	void updateHighLightedButton(ButtonId active);
+private:
+	Dict _unitedDict;
+	Dict _predictiveDict;
+	Dict _userDict;
+
+	int _mode;
+	ButtonId _lastButton;
+
+	bool _userDictHasChanged;
+
+	int _wordNumber;
+	uint8 _numMatchingWords;
+	char _predictiveResult[40];
+
+	Common::String _currentCode;
+	Common::String _currentWord;
+	Common::String _prefix;
+
+	uint32 _curTime, _lastTime;
+	ButtonId _lastPressedButton;
+	ButtonId _curPressedButton;
+
+	char _temp[kMaxWordLen + 1];
+	int _repeatcount[kMaxWordLen];
+
+	char *_memoryList[kMaxWord];
+	int _numMemory;
+
+	Common::String _search;
+
+	bool _navigationWithKeys;
+	bool _needRefresh;
+	bool _isPressed;
+
+private:
+	EditTextWidget *_editText;
+	ButtonWidget   *_button[kButtonCount];
+};
+
+} // namespace GUI
+
+#endif