Add Keyboard.

src/keyboard/Keyboard.h

@@ -0,0 +1,79 @@
+#ifndef KEYBOARD_H
+#define KEYBOARD_H
+
+#include <QWidget>
+#include <QShowEvent>
+#include <QKeyEvent>
+#include <QListWidgetItem>
+#include <QPropertyAnimation>
+
+#include "InputModeMenu.h"
+#include "KeyButton.h"
+
+namespace Ui
+{
+    class Keyboard;
+}
+
+class InputMethod;
+class SpellStringWatcher;
+class InputModeMenu;
+
+class Keyboard : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit Keyboard(QWidget* aParent = nullptr);
+    ~Keyboard();
+
+    void setEdit(QWidget* aEdit);
+
+public slots:
+    void hideKeyboard();
+
+signals:
+    void keyboardHided();
+
+private:
+    void switchInputMode(InputMode aMode);
+    void getCandidateList(const QString& aSpellString);
+    bool isSingleChar(const QString& aSpellString);
+    void initializeStyle();
+    void initializeHandWriteWidget();
+    void initializeInputModeMenu();
+    void initializeStaticButton();
+    void initializeAnimation();
+
+    void handleFirstCandidateString(QStringList& aCandidateList);
+    void updateButtonShift(bool aIsCaps);
+
+protected slots:
+    void showEvent(QShowEvent* aEvent);
+    void handleKeyButtonPressed(int aKey, const QString& aValue);
+    void handleBackspacePressed(int aKey, const QString& aValue);
+    void handleStaticButtonPressed(int aKey, const QString& aValue);
+
+private slots:
+    void candidateListItemClicked(QListWidgetItem* item);
+
+private:
+    Ui::Keyboard* mUI;
+    InputMode mInputMode;
+    InputMethod* mInputMethod;
+    InputModeMenu* mInputModeMenu;
+    QWidget* mCurrentWidget;
+    QList<KeyButton*> mKeyButtonList;
+
+    QStringList mButtonValueListLow;
+    QStringList mButtonValueListCapital;
+    QStringList mButtonValueListMark;
+
+    QList<Qt::Key> mKeyListNormal;
+    QList<Qt::Key> mKeyListMark;
+    SpellStringWatcher* mSpellStringWatcher;
+    QPropertyAnimation* mShowAnimation;
+    QPropertyAnimation* mHideAnimation;
+};
+
+#endif // KEYBOARD_H