MythTV  master
Public Member Functions | Static Public Attributes | Private Member Functions | Static Private Member Functions | Private Attributes | List of all members
TeletextScreen Class Reference

#include <teletextscreen.h>

Inheritance diagram for TeletextScreen:
Inheritance graph
[legend]
Collaboration diagram for TeletextScreen:
Collaboration graph
[legend]

Public Member Functions

 TeletextScreen (MythPlayer *player, const char *name, int fontStretch)
 
virtual ~TeletextScreen ()
 
bool Create (void) override
 
void Pulse (void) override
 Pulse is called 70 times a second to trigger a single frame of an animation. More...
 
bool KeyPress (const QString &key)
 
void SetPage (int page, int subpage)
 
void SetDisplaying (bool display)
 
void Reset (void) override
 Reset the widget to it's original state, should not reset changes made by the theme. More...
 
void ClearScreen (void)
 
- Public Member Functions inherited from MythScreenType
 MythScreenType (MythScreenStack *parent, const QString &name, bool fullscreen=true)
 
virtual ~MythScreenType ()
 
bool keyPressEvent (QKeyEvent *) override
 Key event handler. More...
 
bool gestureEvent (MythGestureEvent *) override
 Mouse click/movement handler, receives mouse gesture events from the QCoreApplication event loop. More...
 
virtual void ShowMenu (void)
 
void doInit (void)
 
void LoadInForeground (void)
 
bool IsInitialized (void) const
 Has Init() been called on this screen? More...
 
bool IsFullscreen (void) const
 
void SetFullscreen (bool full)
 
MythUITypeGetFocusWidget (void) const
 
bool SetFocusWidget (MythUIType *widget=nullptr)
 
virtual bool NextPrevWidgetFocus (bool up_or_down)
 
void BuildFocusList (void)
 
MythScreenStackGetScreenStack () const
 
virtual void aboutToHide (void)
 
virtual void aboutToShow (void)
 
bool IsDeleting (void) const
 
void SetDeleting (bool deleting)
 
bool IsLoading (void)
 
bool IsLoaded (void)
 
MythPainterGetPainter (void) override
 
- Public Member Functions inherited from MythUIComposite
 MythUIComposite (QObject *parent, const QString &name)
 
virtual ~MythUIComposite ()=default
 
virtual void SetTextFromMap (const InfoMap &infoMap)
 
virtual void ResetMap (const InfoMap &infoMap)
 
- Public Member Functions inherited from MythUIType
 MythUIType (QObject *parent, const QString &name)
 
void AddChild (MythUIType *child)
 Add a child UIType. More...
 
MythUITypeGetChild (const QString &name) const
 Get a named child of this UIType. More...
 
MythUITypeGetChildAt (const QPoint &p, bool recursive=true, bool focusable=true) const
 Return the first MythUIType at the given coordinates. More...
 
QList< MythUIType * > * GetAllChildren (void)
 Return a list of all child widgets. More...
 
void DeleteChild (const QString &name)
 Delete a named child of this UIType. More...
 
void DeleteChild (MythUIType *child)
 Delete the given UIType if it is a child of this UIType. More...
 
void DeleteAllChildren (void)
 Delete all child widgets. More...
 
bool NeedsRedraw (void) const
 
void ResetNeedsRedraw (void)
 
void SetRedraw (void)
 
void SetChildNeedsRedraw (MythUIType *child)
 
bool CanTakeFocus (void) const
 Return if this widget can accept input focus. More...
 
void SetCanTakeFocus (bool set=true)
 Set whether this widget can take focus. More...
 
void SetFocusOrder (int)
 
bool IsEnabled (void) const
 
void SetEnabled (bool enable)
 
bool MoveToTop (void)
 
bool MoveChildToTop (MythUIType *child)
 
void ActivateAnimations (MythUIAnimation::Trigger trigger)
 
QList< MythUIAnimation * > * GetAnimations (void)
 
void Draw (MythPainter *p, int xoffset, int yoffset, int alphaMod=255, QRect clipRect=QRect())
 
void SetPosition (int x, int y)
 Convenience method, calls SetPosition(const MythPoint&) Override that instead to change functionality. More...
 
virtual void SetPosition (const MythPoint &point)
 
virtual MythPoint GetPosition (void) const
 
virtual void SetSize (const QSize &size)
 
virtual void SetMinSize (const MythPoint &size)
 Set the minimum size of this widget, for widgets which can be rescaled. More...
 
virtual QSize GetMinSize (void) const
 
virtual void SetArea (const MythRect &rect)
 
virtual void AdjustMinArea (int delta_x, int delta_y, int delta_w, int delta_h)
 Adjust the size of a sibling. More...
 
virtual void VanishSibling (void)
 
virtual void SetMinAreaParent (MythRect actual_area, MythRect allowed_area, MythUIType *child)
 Adjust the size of sibling objects within the button. More...
 
virtual void SetMinArea (const MythRect &rect)
 Set the minimum area based on the given size. More...
 
virtual MythRect GetArea (void) const
 If the object has a minimum area defined, return it, other wise return the default area. More...
 
virtual MythRect GetFullArea (void) const
 
virtual void RecalculateArea (bool recurse=true)
 
void ExpandArea (const MythRect &rect)
 
virtual QRegion GetDirtyArea (void) const
 
bool IsVisible (bool recurse=false) const
 
virtual void SetVisible (bool visible)
 
void MoveTo (QPoint destXY, QPoint speedXY)
 
void AdjustAlpha (int mode, int alphachange, int minalpha=0, int maxalpha=255)
 
void SetAlpha (int newalpha)
 
int GetAlpha (void) const
 
virtual void mediaEvent (MythMediaEvent *event)
 Media/Device status event handler, received from MythMediaMonitor. More...
 
MythFontPropertiesGetFont (const QString &text) const
 
bool AddFont (const QString &text, MythFontProperties *fontProp)
 
void SetHelpText (const QString &text)
 
QString GetHelpText (void) const
 
void SetXMLLocation (const QString &filename, int where)
 
QString GetXMLLocation (void) const
 
void SetXMLName (const QString &name)
 
QString GetXMLName (void) const
 
bool IsDeferredLoading (bool recurse=false) const
 
void SetDeferLoad (bool defer)
 
virtual void LoadNow (void)
 Cause images in this and child widgets to be loaded. More...
 
bool ContainsPoint (const QPoint &point) const
 Check if the given point falls within this widgets area. More...
 
void SetPainter (MythPainter *painter)
 
void SetCentre (UIEffects::Centre centre)
 
void SetZoom (float zoom)
 
void SetHorizontalZoom (float zoom)
 
void SetVerticalZoom (float zoom)
 
void SetAngle (float angle)
 
void SetDependIsDefault (bool isDefault)
 
void SetReverseDependence (MythUIType *dependee, bool reverse)
 
void SetDependsMap (QMap< QString, QString > dependsMap)
 
QMap< QString, QString > GetDependsMap () const
 

Static Public Attributes

static const QColor kColorBlack = QColor( 0, 0, 0,255)
 
static const QColor kColorRed = QColor(255, 0, 0,255)
 
static const QColor kColorGreen = QColor( 0,255, 0,255)
 
static const QColor kColorYellow = QColor(255,255, 0,255)
 
static const QColor kColorBlue = QColor( 0, 0,255,255)
 
static const QColor kColorMagenta = QColor(255, 0,255,255)
 
static const QColor kColorCyan = QColor( 0,255,255,255)
 
static const QColor kColorWhite = QColor(255,255,255,255)
 
static const QColor kColorTransp
 
static const int kTeletextColumns = 40
 
static const int kTeletextRows = 26
 

Private Member Functions

void OptimiseDisplayedArea (void)
 
QImage * GetRowImage (int row, QRect &rect)
 
void SetForegroundColor (int color)
 
void SetBackgroundColor (int color)
 
void DrawBackground (int x, int y)
 
void DrawRect (int row, const QRect)
 
void DrawCharacter (int x, int y, QChar ch, bool doubleheight=false)
 
void DrawMosaic (int x, int y, int code, bool doubleheight)
 
void DrawLine (const uint8_t *page, uint row, int lang)
 
void DrawHeader (const uint8_t *page, int lang)
 
void DrawStatus (void)
 
void DrawPage (void)
 

Static Private Member Functions

static bool InitialiseFont (void)
 

Private Attributes

MythPlayerm_player {nullptr}
 
TeletextReaderm_teletextReader {nullptr}
 
QRect m_safeArea
 
int m_colWidth {10}
 
int m_rowHeight {10}
 
QColor m_bgColor {kColorBlack}
 
bool m_displaying {false}
 
QHash< int, QImage * > m_rowImages
 
int m_fontStretch
 
int m_fontHeight {10}
 

Additional Inherited Members

- Public Slots inherited from MythScreenType
virtual void Close ()
 
- Public Slots inherited from MythUIType
void LoseFocus ()
 
bool TakeFocus ()
 
void Activate ()
 
void Hide (void)
 
void Show (void)
 
void Refresh (void)
 
void UpdateDependState (bool isDefault)
 
void UpdateDependState (MythUIType *dependee, bool isDefault)
 
- Signals inherited from MythScreenType
void Exiting ()
 
- Signals inherited from MythUIType
void RequestUpdate ()
 
void RequestUpdate (const QRect &)
 
void RequestRegionUpdate (const QRect &)
 
void TakingFocus ()
 
void LosingFocus ()
 
void Showing ()
 
void Hiding ()
 
void Enabling ()
 
void Disabling ()
 
void FinishedMoving ()
 
void FinishedFading ()
 
void DependChanged (bool isDefault)
 
- Static Public Member Functions inherited from XMLParseBase
static QString getFirstText (QDomElement &element)
 
static bool parseBool (const QString &text)
 
static bool parseBool (QDomElement &element)
 
static MythPoint parsePoint (const QString &text, bool normalize=true)
 
static MythPoint parsePoint (QDomElement &element, bool normalize=true)
 
static QSize parseSize (const QString &text, bool normalize=true)
 
static QSize parseSize (QDomElement &element, bool normalize=true)
 
static MythRect parseRect (const QString &text, bool normalize=true)
 
static MythRect parseRect (QDomElement &element, bool normalize=true)
 
static int parseAlignment (const QString &text)
 
static int parseAlignment (QDomElement &element)
 
static QBrush parseGradient (const QDomElement &element)
 
static QString parseText (QDomElement &element)
 
static MythUITypeGetGlobalObjectStore (void)
 
static void ClearGlobalObjectStore (void)
 
static void ParseChildren (const QString &filename, QDomElement &element, MythUIType *parent, bool showWarnings)
 
static MythUITypeParseUIType (const QString &filename, QDomElement &element, const QString &type, MythUIType *parent, MythScreenType *screen, bool showWarnings, QMap< QString, QString > &parentDependsMap)
 
static bool WindowExists (const QString &xmlfile, const QString &windowname)
 
static bool LoadWindowFromXML (const QString &xmlfile, const QString &windowname, MythUIType *parent)
 
static bool LoadBaseTheme (void)
 
static bool LoadBaseTheme (const QString &baseTheme)
 
static bool CopyWindowFromBase (const QString &windowname, MythScreenType *win)
 
- Protected Member Functions inherited from MythScreenType
 MythScreenType (MythUIType *parent, const QString &name, bool fullscreen=true)
 
void CopyFrom (MythUIType *base) override
 Copy this widgets state from another. More...
 
void CreateCopy (MythUIType *parent) override
 Copy the state of this widget to the one given, it must be of the same type. More...
 
bool ParseElement (const QString &filename, QDomElement &element, bool showWarnings) override
 Parse the xml definition of this widget setting the state of the object accordingly. More...
 
virtual void Load (void)
 Load data which will ultimately be displayed on-screen or used to determine what appears on-screen (See Warning) More...
 
virtual void Init (void)
 Used after calling Load() to assign data to widgets and other UI initilisation which is prohibited in Load() More...
 
void LoadInBackground (QString message="")
 
void ReloadInBackground (void)
 
void OpenBusyPopup (const QString &message="")
 
void CloseBusyPopup (void)
 
void SetBusyPopupMessage (const QString &message)
 
void ResetBusyPopup (void)
 
- Protected Member Functions inherited from MythUIType
virtual ~MythUIType ()
 
void customEvent (QEvent *event) override
 
virtual void DrawSelf (MythPainter *p, int xoffset, int yoffset, int alphaMod, QRect clipRect)
 
void AddFocusableChildrenToList (QMap< int, MythUIType * > &focusList)
 
void HandleAlphaPulse ()
 Handle one frame of an alpha (transparency) change animation. More...
 
void HandleMovementPulse ()
 Handle one frame of a movement animation. More...
 
int CalcAlpha (int alphamod)
 
int NormX (const int width)
 
int NormY (const int height)
 
void ConnectDependants (bool recurse=false)
 
virtual void Finalize (void)
 Perform any post-xml parsing initialisation tasks. More...
 
- Protected Attributes inherited from MythScreenType
bool m_FullScreen {false}
 
bool m_IsDeleting {false}
 
QSemaphore m_LoadLock {1}
 
volatile bool m_IsLoading {false}
 
volatile bool m_IsLoaded {false}
 
bool m_IsInitialized {false}
 
MythUITypem_CurrentFocusWidget {nullptr}
 
QMap< int, MythUIType * > m_FocusWidgetList
 
MythScreenStackm_ScreenStack {nullptr}
 
MythUIBusyDialogm_BusyPopup {nullptr}
 
QRegion m_SavedMask
 
- Protected Attributes inherited from MythUIType
QList< MythUIType * > m_ChildrenList
 
QMap< QString, QString > m_dependsMap
 
QList< QPair< MythUIType *, bool > > m_dependsValue
 
QList< int > m_dependOperator
 
bool m_Visible {true}
 
bool m_HasFocus {false}
 
bool m_CanHaveFocus {false}
 
bool m_Enabled {true}
 
bool m_EnableInitiator {false}
 
bool m_Initiator {false}
 
bool m_Vanish {false}
 
bool m_Vanished {false}
 
bool m_IsDependDefault {false}
 
QMap< MythUIType *, boolm_ReverseDepend
 
int m_focusOrder {0}
 
MythRect m_Area {0,0,0,0}
 
MythRect m_MinArea {0,0,0,0}
 
MythPoint m_MinSize
 
QRegion m_DirtyRegion {0,0,0,0}
 
bool m_NeedsRedraw {false}
 
UIEffects m_Effects
 
int m_AlphaChangeMode {0}
 
int m_AlphaChange {0}
 
int m_AlphaMin {0}
 
int m_AlphaMax {255}
 
bool m_Moving {false}
 
QPoint m_XYDestination {0,0}
 
QPoint m_XYSpeed {0,0}
 
FontMapm_Fonts {nullptr}
 
MythUITypem_Parent {nullptr}
 
MythPainterm_Painter {nullptr}
 
QList< MythUIAnimation * > m_animations
 
QString m_helptext
 
QString m_xmlName
 
QString m_xmlLocation
 
bool m_deferload {false}
 
QColor m_BorderColor {Qt::black}
 

Detailed Description

Definition at line 10 of file teletextscreen.h.

Constructor & Destructor Documentation

◆ TeletextScreen()

TeletextScreen::TeletextScreen ( MythPlayer player,
const char *  name,
int  fontStretch 
)

Definition at line 42 of file teletextscreen.cpp.

◆ ~TeletextScreen()

TeletextScreen::~TeletextScreen ( )
virtual

Definition at line 50 of file teletextscreen.cpp.

Member Function Documentation

◆ InitialiseFont()

bool TeletextScreen::InitialiseFont ( void  )
staticprivate

Definition at line 684 of file teletextscreen.cpp.

Referenced by Pulse().

◆ Create()

bool TeletextScreen::Create ( void  )
overridevirtual

Reimplemented from MythScreenType.

Definition at line 55 of file teletextscreen.cpp.

Referenced by OSD::InitTeletext().

◆ Pulse()

void TeletextScreen::Pulse ( void  )
overridevirtual

Pulse is called 70 times a second to trigger a single frame of an animation.

This changes the alpha value of the widget

Reimplemented from MythUIType.

Definition at line 150 of file teletextscreen.cpp.

◆ KeyPress()

bool TeletextScreen::KeyPress ( const QString &  key)

Definition at line 235 of file teletextscreen.cpp.

Referenced by OSD::TeletextAction().

◆ SetPage()

void TeletextScreen::SetPage ( int  page,
int  subpage 
)

Definition at line 242 of file teletextscreen.cpp.

Referenced by OSD::EnableTeletext().

◆ SetDisplaying()

void TeletextScreen::SetDisplaying ( bool  display)

Definition at line 248 of file teletextscreen.cpp.

Referenced by OSD::EnableTeletext(), and OSD::InitTeletext().

◆ Reset()

void TeletextScreen::Reset ( void  )
overridevirtual

Reset the widget to it's original state, should not reset changes made by the theme.

Reimplemented from MythUIType.

Definition at line 255 of file teletextscreen.cpp.

Referenced by OSD::TeletextReset().

◆ ClearScreen()

void TeletextScreen::ClearScreen ( void  )

Definition at line 62 of file teletextscreen.cpp.

Referenced by Pulse(), SetDisplaying(), OSD::TeletextClear(), and ~TeletextScreen().

◆ OptimiseDisplayedArea()

void TeletextScreen::OptimiseDisplayedArea ( void  )
private

Definition at line 94 of file teletextscreen.cpp.

Referenced by Pulse().

◆ GetRowImage()

QImage * TeletextScreen::GetRowImage ( int  row,
QRect &  rect 
)
private

Definition at line 75 of file teletextscreen.cpp.

Referenced by DrawCharacter(), and DrawRect().

◆ SetForegroundColor()

void TeletextScreen::SetForegroundColor ( int  color)
private

Definition at line 307 of file teletextscreen.cpp.

Referenced by DrawLine(), and DrawStatus().

◆ SetBackgroundColor()

void TeletextScreen::SetBackgroundColor ( int  color)
private

Definition at line 315 of file teletextscreen.cpp.

Referenced by DrawLine(), and DrawStatus().

◆ DrawBackground()

void TeletextScreen::DrawBackground ( int  x,
int  y 
)
private

Definition at line 583 of file teletextscreen.cpp.

Referenced by DrawLine(), and DrawStatus().

◆ DrawRect()

void TeletextScreen::DrawRect ( int  row,
const  QRect 
)
private

Definition at line 591 of file teletextscreen.cpp.

Referenced by DrawBackground(), and DrawMosaic().

◆ DrawCharacter()

void TeletextScreen::DrawCharacter ( int  x,
int  y,
QChar  ch,
bool  doubleheight = false 
)
private

Definition at line 532 of file teletextscreen.cpp.

Referenced by DrawLine(), and DrawStatus().

◆ DrawMosaic()

void TeletextScreen::DrawMosaic ( int  x,
int  y,
int  code,
bool  doubleheight 
)
private

Definition at line 605 of file teletextscreen.cpp.

Referenced by DrawLine().

◆ DrawLine()

void TeletextScreen::DrawLine ( const uint8_t *  page,
uint  row,
int  lang 
)
private

Definition at line 325 of file teletextscreen.cpp.

Referenced by DrawHeader(), and Pulse().

◆ DrawHeader()

void TeletextScreen::DrawHeader ( const uint8_t *  page,
int  lang 
)
private

Definition at line 261 of file teletextscreen.cpp.

Referenced by Pulse().

◆ DrawStatus()

void TeletextScreen::DrawStatus ( void  )
private

Definition at line 629 of file teletextscreen.cpp.

Referenced by DrawHeader().

◆ DrawPage()

void TeletextScreen::DrawPage ( void  )
private

Member Data Documentation

◆ m_player

MythPlayer* TeletextScreen::m_player {nullptr}
private

Definition at line 43 of file teletextscreen.h.

Referenced by Create(), OptimiseDisplayedArea(), and Pulse().

◆ m_teletextReader

TeletextReader* TeletextScreen::m_teletextReader {nullptr}
private

Definition at line 44 of file teletextscreen.h.

Referenced by Create(), DrawLine(), DrawStatus(), KeyPress(), Pulse(), Reset(), and SetPage().

◆ m_safeArea

QRect TeletextScreen::m_safeArea
private

Definition at line 45 of file teletextscreen.h.

Referenced by GetRowImage(), OptimiseDisplayedArea(), and Pulse().

◆ m_colWidth

int TeletextScreen::m_colWidth {10}
private

Definition at line 46 of file teletextscreen.h.

Referenced by DrawBackground(), DrawCharacter(), DrawMosaic(), and Pulse().

◆ m_rowHeight

int TeletextScreen::m_rowHeight {10}
private

◆ m_bgColor

QColor TeletextScreen::m_bgColor {kColorBlack}
private

Definition at line 48 of file teletextscreen.h.

Referenced by DrawRect(), and SetBackgroundColor().

◆ m_displaying

bool TeletextScreen::m_displaying {false}
private

Definition at line 49 of file teletextscreen.h.

Referenced by DrawHeader(), Pulse(), and SetDisplaying().

◆ m_rowImages

QHash<int, QImage*> TeletextScreen::m_rowImages
private

Definition at line 50 of file teletextscreen.h.

Referenced by ClearScreen(), GetRowImage(), and OptimiseDisplayedArea().

◆ m_fontStretch

int TeletextScreen::m_fontStretch
private

Definition at line 51 of file teletextscreen.h.

Referenced by DrawCharacter(), and Pulse().

◆ m_fontHeight

int TeletextScreen::m_fontHeight {10}
private

Definition at line 52 of file teletextscreen.h.

Referenced by DrawCharacter(), and Pulse().

◆ kColorBlack

const QColor TeletextScreen::kColorBlack = QColor( 0, 0, 0,255)
static

Definition at line 55 of file teletextscreen.h.

Referenced by ttcolortoqcolor().

◆ kColorRed

const QColor TeletextScreen::kColorRed = QColor(255, 0, 0,255)
static

Definition at line 56 of file teletextscreen.h.

Referenced by ttcolortoqcolor().

◆ kColorGreen

const QColor TeletextScreen::kColorGreen = QColor( 0,255, 0,255)
static

Definition at line 57 of file teletextscreen.h.

Referenced by ttcolortoqcolor().

◆ kColorYellow

const QColor TeletextScreen::kColorYellow = QColor(255,255, 0,255)
static

Definition at line 58 of file teletextscreen.h.

Referenced by ttcolortoqcolor().

◆ kColorBlue

const QColor TeletextScreen::kColorBlue = QColor( 0, 0,255,255)
static

Definition at line 59 of file teletextscreen.h.

Referenced by ttcolortoqcolor().

◆ kColorMagenta

const QColor TeletextScreen::kColorMagenta = QColor(255, 0,255,255)
static

Definition at line 60 of file teletextscreen.h.

Referenced by ttcolortoqcolor().

◆ kColorCyan

const QColor TeletextScreen::kColorCyan = QColor( 0,255,255,255)
static

Definition at line 61 of file teletextscreen.h.

Referenced by ttcolortoqcolor().

◆ kColorWhite

const QColor TeletextScreen::kColorWhite = QColor(255,255,255,255)
static

Definition at line 62 of file teletextscreen.h.

Referenced by ttcolortoqcolor().

◆ kColorTransp

const QColor TeletextScreen::kColorTransp
static

Definition at line 63 of file teletextscreen.h.

◆ kTeletextColumns

const int TeletextScreen::kTeletextColumns = 40
static

Definition at line 64 of file teletextscreen.h.

Referenced by DrawLine(), and Pulse().

◆ kTeletextRows

const int TeletextScreen::kTeletextRows = 26
static

Definition at line 65 of file teletextscreen.h.

Referenced by DrawLine(), and Pulse().


The documentation for this class was generated from the following files: