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A layout element displaying a plot title text. More...
Signals | |
void | selectionChanged (bool selected) |
Public Member Functions | |
QCPPlotTitle (QCustomPlot *parentPlot) | |
QCPPlotTitle (QCustomPlot *parentPlot, const QString &text) | |
QString | text () const |
QFont | font () const |
QColor | textColor () const |
QFont | selectedFont () const |
QColor | selectedTextColor () const |
bool | selectable () const |
bool | selected () const |
void | setText (const QString &text) |
void | setFont (const QFont &font) |
void | setTextColor (const QColor &color) |
void | setSelectedFont (const QFont &font) |
void | setSelectedTextColor (const QColor &color) |
void | setSelectable (bool selectable) |
void | setSelected (bool selected) |
virtual double | selectTest (const QPointF &pos, bool onlySelectable, QVariant *details=0) const |
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QCPLayoutElement (QCustomPlot *parentPlot=0) | |
QCPLayout * | layout () const |
QRect | rect () const |
QRect | outerRect () const |
QMargins | margins () const |
QMargins | minimumMargins () const |
QCP::MarginSides | autoMargins () const |
QSize | minimumSize () const |
QSize | maximumSize () const |
QCPMarginGroup * | marginGroup (QCP::MarginSide side) const |
QHash< QCP::MarginSide, QCPMarginGroup * > | marginGroups () const |
void | setOuterRect (const QRect &rect) |
void | setMargins (const QMargins &margins) |
void | setMinimumMargins (const QMargins &margins) |
void | setAutoMargins (QCP::MarginSides sides) |
void | setMinimumSize (const QSize &size) |
void | setMinimumSize (int width, int height) |
void | setMaximumSize (const QSize &size) |
void | setMaximumSize (int width, int height) |
void | setMarginGroup (QCP::MarginSides sides, QCPMarginGroup *group) |
virtual void | update () |
virtual QList< QCPLayoutElement * > | elements (bool recursive) const |
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QCPLayerable (QCustomPlot *plot, QString targetLayer="", QCPLayerable *parentLayerable=0) | |
bool | visible () const |
QCustomPlot * | parentPlot () const |
QCPLayerable * | parentLayerable () const |
QCPLayer * | layer () const |
bool | antialiased () const |
void | setVisible (bool on) |
bool | setLayer (QCPLayer *layer) |
bool | setLayer (const QString &layerName) |
void | setAntialiased (bool enabled) |
bool | realVisibility () const |
Protected Member Functions | |
virtual void | applyDefaultAntialiasingHint (QCPPainter *painter) const |
virtual void | draw (QCPPainter *painter) |
virtual QSize | minimumSizeHint () const |
virtual QSize | maximumSizeHint () const |
virtual void | selectEvent (QMouseEvent *event, bool additive, const QVariant &details, bool *selectionStateChanged) |
virtual void | deselectEvent (bool *selectionStateChanged) |
QFont | mainFont () const |
QColor | mainTextColor () const |
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virtual int | calculateAutoMargin (QCP::MarginSide side) |
virtual void | mousePressEvent (QMouseEvent *event) |
virtual void | mouseMoveEvent (QMouseEvent *event) |
virtual void | mouseReleaseEvent (QMouseEvent *event) |
virtual void | mouseDoubleClickEvent (QMouseEvent *event) |
virtual void | wheelEvent (QWheelEvent *event) |
virtual void | parentPlotInitialized (QCustomPlot *parentPlot) |
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virtual QCP::Interaction | selectionCategory () const |
virtual QRect | clipRect () const |
void | initializeParentPlot (QCustomPlot *parentPlot) |
void | setParentLayerable (QCPLayerable *parentLayerable) |
bool | moveToLayer (QCPLayer *layer, bool prepend) |
void | applyAntialiasingHint (QCPPainter *painter, bool localAntialiased, QCP::AntialiasedElement overrideElement) const |
Protected Attributes | |
QString | mText |
QFont | mFont |
QColor | mTextColor |
QFont | mSelectedFont |
QColor | mSelectedTextColor |
QRect | mTextBoundingRect |
bool | mSelectable |
bool | mSelected |
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QCPLayout * | mParentLayout |
QSize | mMinimumSize |
QSize | mMaximumSize |
QRect | mRect |
QRect | mOuterRect |
QMargins | mMargins |
QMargins | mMinimumMargins |
QCP::MarginSides | mAutoMargins |
QHash< QCP::MarginSide, QCPMarginGroup * > | mMarginGroups |
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bool | mVisible |
QCustomPlot * | mParentPlot |
QPointer< QCPLayerable > | mParentLayerable |
QCPLayer * | mLayer |
bool | mAntialiased |
A layout element displaying a plot title text.
The text may be specified with setText, theformatting can be controlled with setFont and setTextColor.
A plot title can be added as follows:
Since a plot title is a common requirement, QCustomPlot offers specialized selection signals for easy interaction with QCPPlotTitle. If a layout element of type QCPPlotTitle is clicked, the signal QCustomPlot::titleClick is emitted. A double click emits the QCustomPlot::titleDoubleClick signal.
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explicit |
Creates a new QCPPlotTitle instance and sets default values. The initial text is empty (setText).
To set the title text in the constructor, rather use QCPPlotTitle(QCustomPlot *parentPlot, const QString &text).
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explicit |
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
Creates a new QCPPlotTitle instance and sets default values. The initial text is set to text.
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protectedvirtual |
Returns the maximum size this layout element (the inner rect) may be expanded to.
if a maximum size (setMaximumSize) was not set manually, parent layouts consult this function to determine the maximum allowed size of this layout element. (A manual maximum size is considered set if it is smaller than Qt's QWIDGETSIZE_MAX.)
Reimplemented from QCPLayoutElement.
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protectedvirtual |
Returns the minimum size this layout element (the inner rect) may be compressed to.
if a minimum size (setMinimumSize) was not set manually, parent layouts consult this function to determine the minimum allowed size of this layout element. (A manual minimum size is considered set if it is non-zero.)
Reimplemented from QCPLayoutElement.
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signal |
This signal is emitted when the selection state has changed to selected, either by user interaction or by a direct call to setSelected.
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virtual |
Layout elements are sensitive to events inside their outer rect. If pos is within the outer rect, this method returns a value corresponding to 0.99 times the parent plot's selection tolerance. However, layout elements are not selectable by default. So if onlySelectable is true, -1.0 is returned.
See QCPLayerable::selectTest for a general explanation of this virtual method.
QCPLayoutElement subclasses may reimplement this method to provide more specific selection test behaviour.
Reimplemented from QCPLayoutElement.
void QCPPlotTitle::setFont | ( | const QFont & | font | ) |
Sets the font of the title text.
void QCPPlotTitle::setSelectable | ( | bool | selectable | ) |
Sets whether the user may select this plot title to selectable.
Note that even when selectable is set to false
, the selection state may be changed programmatically via setSelected.
void QCPPlotTitle::setSelected | ( | bool | selected | ) |
Sets the selection state of this plot title to selected. If the selection has changed, selectionChanged is emitted.
Note that this function can change the selection state independently of the current setSelectable state.
void QCPPlotTitle::setSelectedFont | ( | const QFont & | font | ) |
Sets the font of the title text that will be used if the plot title is selected (setSelected).
void QCPPlotTitle::setSelectedTextColor | ( | const QColor & | color | ) |
Sets the color of the title text that will be used if the plot title is selected (setSelected).
void QCPPlotTitle::setText | ( | const QString & | text | ) |
Sets the text that will be displayed to text. Multiple lines can be created by insertion of "\n".
void QCPPlotTitle::setTextColor | ( | const QColor & | color | ) |
Sets the color of the title text.