mythwidgets.h

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#ifndef MYTHWIDGETS_H_
#define MYTHWIDGETS_H_

#include <qbutton.h>
#include <qcombobox.h>
#include <qspinbox.h>
#include <qslider.h>
#include <qlineedit.h>
#include <qtextedit.h>
#include <qpushbutton.h>
#include <qtoolbutton.h>
#include <qdialog.h>
#include <qlistview.h>
#include <qheader.h>
#include <qtable.h>
#include <qbuttongroup.h>
#include <qlistbox.h>
#include <qcheckbox.h>
#include <qradiobutton.h>
#include <qimage.h>
#include <qlabel.h>
#include <qtimer.h> 
#include <qdeepcopy.h>

#include <vector>

using namespace std;

#include "virtualkeyboard.h"

#include "mythexp.h"

// These widgets follow these general navigation rules:
//
// - Up and Down shift focus to the previous/next widget in the tab
// order
// - Left and Right adjust the current setting
// - Space selects


class MPUBLIC MythComboBox: public QComboBox 
{
    Q_OBJECT
  public:
    MythComboBox(bool rw, QWidget* parent=0, const char* name=0);

    void setHelpText(const QString &help);

    void setAcceptOnSelect(bool Accept) { AcceptOnSelect = Accept; }
    void setStep(int _step = 1) { step = _step; }
    void setAllowVirtualKeyboard(bool allowKbd = true)
        { allowVirtualKeyboard = allowKbd; }
    void setPopupPosition(PopupPosition pos) { popupPosition = pos; }
    PopupPosition getPopupPosition(void) { return popupPosition; }

  signals:
    void changeHelpText(QString);
    void accepted(int);
    void gotFocus();

  public slots:
    virtual void deleteLater(void);
    void insertItem(const QString& item) {
        QComboBox::insertItem(item);
    };

  protected:
    void Teardown(void);
    virtual ~MythComboBox(); // use deleteLater for thread safety
    virtual void keyPressEvent (QKeyEvent *e);
    virtual void focusInEvent(QFocusEvent *e);
    virtual void focusOutEvent(QFocusEvent *e);
    void Init(void);
    virtual void popupVirtualKeyboard(void);

  private:
    VirtualKeyboard *popup;
    QString helptext;
    bool AcceptOnSelect;
    bool useVirtualKeyboard;
    bool allowVirtualKeyboard;
    PopupPosition popupPosition;
    int step;
};

class MPUBLIC MythSpinBox: public QSpinBox 
{
    Q_OBJECT
  public:
    MythSpinBox(QWidget* parent = NULL, const char* widgetName = 0, 
                bool allow_single_step = false) :
        QSpinBox(parent, widgetName),
        singlestep(allow_single_step) { if (singlestep) setLineStep(10); }

    void setHelpText(const QString&);
    
    bool singleStep(void) { return singlestep; }
    void setSingleStep(bool arg = true) { singlestep = arg; }

  signals:
    void changeHelpText(QString);

  protected:
    virtual bool eventFilter (QObject* o, QEvent* e);
    virtual void focusInEvent(QFocusEvent *e);
    virtual void focusOutEvent(QFocusEvent *e);

  private:
    QString helptext;
    bool singlestep;
};

class MPUBLIC MythSlider: public QSlider 
{
    Q_OBJECT
  public:
    MythSlider(QWidget* parent=0, const char* name=0):
        QSlider(parent, name) {};

    void setHelpText(const QString&);

  signals:
    void changeHelpText(QString);

  protected:
    virtual void keyPressEvent (QKeyEvent* e);
    virtual void focusInEvent(QFocusEvent *e); 
    virtual void focusOutEvent(QFocusEvent *e);

  private:
    QString helptext;
};


class MPUBLIC MythLineEdit : public QLineEdit 
{
    Q_OBJECT
  public:
    MythLineEdit(QWidget *parent=NULL, const char* widgetName=0);
    MythLineEdit(const QString &text, QWidget *p=NULL, const char *name=0);

    void setHelpText(const QString&);;
    void setRW(bool readwrite = true) { rw = readwrite; };
    void setRO() { rw = false; };
    void setAllowVirtualKeyboard(bool allowKbd = true)
               { allowVirtualKeyboard = allowKbd; }
    void setPopupPosition(PopupPosition pos) { popupPosition = pos; }
    PopupPosition getPopupPosition(void) { return popupPosition; }

    virtual QString text();

  public slots:
    virtual void deleteLater(void);
    virtual void setText(const QString &text);

  signals:
    void changeHelpText(QString);

  protected:
    void Teardown(void);
    virtual ~MythLineEdit(); // use deleteLater for thread safety

    virtual void keyPressEvent(QKeyEvent *e);
    virtual void focusInEvent(QFocusEvent *e); 
    virtual void focusOutEvent(QFocusEvent *e);
    virtual void hideEvent(QHideEvent *e);
    virtual void mouseDoubleClickEvent(QMouseEvent *e);
    virtual void popupVirtualKeyboard(void);

  private:
    VirtualKeyboard *popup;
    QString helptext;
    bool rw;
    bool useVirtualKeyboard;
    bool allowVirtualKeyboard;
    PopupPosition popupPosition;
};

class MPUBLIC MythRemoteLineEdit : public QTextEdit
{
    Q_OBJECT
  public:

    MythRemoteLineEdit( QWidget * parent, const char * name = 0 );
    MythRemoteLineEdit( const QString & contents, QWidget * parent, const char * name = 0 );    
    MythRemoteLineEdit( QFont *a_font, QWidget * parent, const char * name = 0 );    
    MythRemoteLineEdit( int lines, QWidget * parent, const char * name = 0 );

    void setHelpText(const QString&);
    void setCycleTime(float desired_interval); // in seconds
    void setCharacterColors(QColor unselected, QColor selected, QColor special);
    void insert(QString text);
    void backspace();
    void del();
    void setPopupPosition(PopupPosition pos) { popupPosition = pos; };
    PopupPosition getPopupPosition(void) { return popupPosition; };

    virtual QString text();

  signals:

    void    shiftState(bool);
    void    cycleState(QString current_choice, QString set);
    void    changeHelpText(QString);
    void    gotFocus();
    void    lostFocus();
    void    tryingToLooseFocus(bool up_or_down);
    void    textChanged(QString);

  public slots:
    virtual void deleteLater(void);
    virtual void setText(const QString& text);
    
  protected:
    void Teardown(void);
    virtual ~MythRemoteLineEdit(); // use deleteLater for thread safety
    virtual void focusInEvent(QFocusEvent *e);
    virtual void focusOutEvent(QFocusEvent *e);
    virtual void keyPressEvent(QKeyEvent *e);
    virtual void popupVirtualKeyboard(void);

  private slots:

    void    startCycle(QString current_choice, QString set);
    void    updateCycle(QString current_choice, QString set);
    void    endCycle();

  private:
    
    QFont   *my_font;
    void    Init(void);
    void    cycleKeys(QString cycleList);
    void    toggleShift(void);
    void    assignHexColors();

    bool    shift;
    QTimer  *cycle_timer;
    bool    active_cycle;
    QString current_choice;
    QString current_set;
    int     cycle_time;
    QString helptext;

    int     pre_cycle_para;
    int     pre_cycle_pos;
    QString pre_cycle_text_upto;
    QString pre_cycle_text_from;

    QColor  col_unselected;
    QColor  col_selected;
    QColor  col_special;

    QString  hex_unselected;
    QString  hex_selected;
    QString  hex_special;

    int m_lines;

    VirtualKeyboard *popup;
    bool             useVirtualKeyboard;
    PopupPosition    popupPosition;
};

class MPUBLIC MythTable : public QTable
{
  public:
    MythTable(QWidget *parent) : QTable(parent) { }

    void keyPressEvent(QKeyEvent *e);
};

class MPUBLIC MythButtonGroup : public QButtonGroup
{
  public:
    MythButtonGroup(QWidget *parent = 0) : QButtonGroup(parent) { }

    void moveFocus(int key);
};

class MPUBLIC MythPushButton : public QPushButton
{
    Q_OBJECT
  public:
    MythPushButton(QWidget *parent, const char *name = 0, bool aa = false)
                 : QPushButton(parent, name)
                  { setBackgroundOrigin(WindowOrigin); arrowAccel = aa;
                    setToggleButton(false); }

    MythPushButton(const QString &text, QWidget *parent, bool aa = false)
                 : QPushButton(text, parent)
                  { setBackgroundOrigin(WindowOrigin); arrowAccel = aa;
                    setToggleButton(false); }

    MythPushButton(const QString &ontext, const QString &offtext,
                   QWidget *parent, bool isOn = true, bool aa = false);

    void setHelpText(const QString &help);

    void keyPressEvent(QKeyEvent *e);
    void keyReleaseEvent(QKeyEvent *e);

    void toggleText(void);

  signals:
    void changeHelpText(QString);

  protected:
    void focusInEvent(QFocusEvent *e);
    void focusOutEvent(QFocusEvent *e);

  private:
    QColor origcolor;
    QString helptext;
    QString onText;
    QString offText;
    bool arrowAccel;

    QStringList keyPressActions;
};

class MPUBLIC MythCheckBox: public QCheckBox
{
    Q_OBJECT
  public:
    MythCheckBox(QWidget* parent = 0, const char* name = 0):
        QCheckBox(parent, name) {};
    MythCheckBox(const QString &text, QWidget* parent = 0, const char* name = 0):
        QCheckBox(text, parent, name) {};

    void setHelpText(const QString&);

  signals:
    void changeHelpText(QString);

  protected:
    virtual void keyPressEvent(QKeyEvent* e);
    virtual void focusInEvent(QFocusEvent *e);
    virtual void focusOutEvent(QFocusEvent *e);

  private:
    QString helptext;
};

class MPUBLIC MythRadioButton: public QRadioButton
{
    Q_OBJECT
  public:
    MythRadioButton(QWidget* parent = 0, const char* name = 0):
        QRadioButton(parent, name) {};

    void setHelpText(const QString&);

  signals:
    void changeHelpText(QString);

  protected:
    virtual void keyPressEvent(QKeyEvent* e);
    virtual void focusInEvent(QFocusEvent *e);
    virtual void focusOutEvent(QFocusEvent *e);

  private:
    QString helptext;
};

class MPUBLIC MythListView : public QListView
{
    Q_OBJECT
  public:
    MythListView(QWidget *parent);

    void ensureItemVCentered (const QListViewItem *i);

  protected:
    void keyPressEvent(QKeyEvent *e);
    void focusInEvent(QFocusEvent *e);
};

class MPUBLIC MythListBox: public QListBox {
    Q_OBJECT
  public:
    MythListBox(QWidget* parent);

    virtual void keyPressEvent(QKeyEvent* e);

    void setHelpText(const QString&);

    int currentItem() { return QListBox::currentItem(); }

  protected:
    void focusInEvent(QFocusEvent *e);
    void focusOutEvent(QFocusEvent *e);
    virtual void polish(void);
 
  public slots:
    void setCurrentItem(const QString& matchText, bool caseSensitive = true, 
                        bool partialMatch = false);
    void setCurrentItem(int index) { QListBox::setCurrentItem(index); };

  signals:
    void changeHelpText(QString);
    void accepted(int);
    void menuButtonPressed(int);
    void editButtonPressed(int);
    void deleteButtonPressed(int);

  private:
    QString helptext;
};

#endif

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