iCub-main
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A text label. More...
#include <qcustomplot.h>
Public Member Functions | |
QCPItemText (QCustomPlot *parentPlot) | |
Creates a text item and sets default values. | |
virtual | ~QCPItemText () |
QColor | color () const |
QColor | selectedColor () const |
QPen | pen () const |
QPen | selectedPen () const |
QBrush | brush () const |
QBrush | selectedBrush () const |
QFont | font () const |
QFont | selectedFont () const |
QString | text () const |
Qt::Alignment | positionAlignment () const |
Qt::Alignment | textAlignment () const |
double | rotation () const |
QMargins | padding () const |
void | setColor (const QColor &color) |
Sets the color of the text. | |
void | setSelectedColor (const QColor &color) |
Sets the color of the text that will be used when the item is selected. | |
void | setPen (const QPen &pen) |
Sets the pen that will be used do draw a rectangular border around the text. | |
void | setSelectedPen (const QPen &pen) |
Sets the pen that will be used do draw a rectangular border around the text, when the item is selected. | |
void | setBrush (const QBrush &brush) |
Sets the brush that will be used do fill the background of the text. | |
void | setSelectedBrush (const QBrush &brush) |
Sets the brush that will be used do fill the background of the text, when the item is selected. | |
void | setFont (const QFont &font) |
Sets the font of the text. | |
void | setSelectedFont (const QFont &font) |
Sets the font of the text that will be used when the item is selected. | |
void | setText (const QString &text) |
Sets the text that will be displayed. | |
void | setPositionAlignment (Qt::Alignment alignment) |
Sets which point of the text rect shall be aligned with position. | |
void | setTextAlignment (Qt::Alignment alignment) |
Controls how (multi-lined) text is aligned inside the text rect (typically Qt::AlignLeft, Qt::AlignCenter or Qt::AlignRight). | |
void | setRotation (double degrees) |
Sets the angle in degrees by which the text (and the text rectangle, if visible) will be rotated around position. | |
void | setPadding (const QMargins &padding) |
Sets the distance between the border of the text rectangle and the text. | |
virtual double | selectTest (const QPointF &pos, bool onlySelectable, QVariant *details=0) const |
This function is used to decide whether a click hits a layerable object or not. | |
Public Member Functions inherited from QCPAbstractItem | |
QCPAbstractItem (QCustomPlot *parentPlot) | |
Base class constructor which initializes base class members. | |
virtual | ~QCPAbstractItem () |
bool | clipToAxisRect () const |
QCPAxisRect * | clipAxisRect () const |
bool | selectable () const |
bool | selected () const |
void | setClipToAxisRect (bool clip) |
Sets whether the item shall be clipped to an axis rect or whether it shall be visible on the entire QCustomPlot. | |
void | setClipAxisRect (QCPAxisRect *rect) |
Sets the clip axis rect. | |
Q_SLOT void | setSelectable (bool selectable) |
Sets whether the user can (de-)select this item by clicking on the QCustomPlot surface. | |
Q_SLOT void | setSelected (bool selected) |
Sets whether this item is selected or not. | |
QList< QCPItemPosition * > | positions () const |
Returns all positions of the item in a list. | |
QList< QCPItemAnchor * > | anchors () const |
Returns all anchors of the item in a list. | |
QCPItemPosition * | position (const QString &name) const |
Returns the QCPItemPosition with the specified name. | |
QCPItemAnchor * | anchor (const QString &name) const |
Returns the QCPItemAnchor with the specified name. | |
bool | hasAnchor (const QString &name) const |
Returns whether this item has an anchor with the specified name. | |
Public Member Functions inherited from QCPLayerable | |
QCPLayerable (QCustomPlot *plot, QString targetLayer="", QCPLayerable *parentLayerable=0) | |
Creates a new QCPLayerable instance. | |
~QCPLayerable () | |
bool | visible () const |
QCustomPlot * | parentPlot () const |
QCPLayerable * | parentLayerable () const |
Returns the parent layerable of this layerable. | |
QCPLayer * | layer () const |
bool | antialiased () const |
void | setVisible (bool on) |
Sets the visibility of this layerable object. | |
Q_SLOT bool | setLayer (QCPLayer *layer) |
Sets the layer of this layerable object. | |
bool | setLayer (const QString &layerName) |
This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. Sets the layer of this layerable object by name. | |
void | setAntialiased (bool enabled) |
Sets whether this object will be drawn antialiased or not. | |
bool | realVisibility () const |
Returns whether this layerable is visible, taking the visibility of the layerable parent and the visibility of the layer this layerable is on into account. | |
Public Attributes | |
QCPItemPosition *const | position |
QCPItemAnchor *const | topLeft |
QCPItemAnchor *const | top |
QCPItemAnchor *const | topRight |
QCPItemAnchor *const | right |
QCPItemAnchor *const | bottomRight |
QCPItemAnchor *const | bottom |
QCPItemAnchor *const | bottomLeft |
QCPItemAnchor *const | left |
Protected Types | |
enum | AnchorIndex { aiTopLeft , aiTop , aiTopRight , aiRight , aiBottomRight , aiBottom , aiBottomLeft , aiLeft } |
Protected Member Functions | |
virtual void | draw (QCPPainter *painter) |
virtual QPointF | anchorPixelPoint (int anchorId) const |
QPointF | getTextDrawPoint (const QPointF &pos, const QRectF &rect, Qt::Alignment positionAlignment) const |
QFont | mainFont () const |
QColor | mainColor () const |
QPen | mainPen () const |
QBrush | mainBrush () const |
Protected Member Functions inherited from QCPAbstractItem | |
virtual QCP::Interaction | selectionCategory () const |
virtual QRect | clipRect () const |
virtual void | applyDefaultAntialiasingHint (QCPPainter *painter) const |
virtual void | selectEvent (QMouseEvent *event, bool additive, const QVariant &details, bool *selectionStateChanged) |
virtual void | deselectEvent (bool *selectionStateChanged) |
double | distSqrToLine (const QPointF &start, const QPointF &end, const QPointF &point) const |
double | rectSelectTest (const QRectF &rect, const QPointF &pos, bool filledRect) const |
QCPItemPosition * | createPosition (const QString &name) |
QCPItemAnchor * | createAnchor (const QString &name, int anchorId) |
Protected Member Functions inherited from QCPLayerable | |
virtual void | parentPlotInitialized (QCustomPlot *parentPlot) |
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 | |
QColor | mColor |
QColor | mSelectedColor |
QPen | mPen |
QPen | mSelectedPen |
QBrush | mBrush |
QBrush | mSelectedBrush |
QFont | mFont |
QFont | mSelectedFont |
QString | mText |
Qt::Alignment | mPositionAlignment |
Qt::Alignment | mTextAlignment |
double | mRotation |
QMargins | mPadding |
Protected Attributes inherited from QCPAbstractItem | |
bool | mClipToAxisRect |
QPointer< QCPAxisRect > | mClipAxisRect |
QList< QCPItemPosition * > | mPositions |
QList< QCPItemAnchor * > | mAnchors |
bool | mSelectable |
bool | mSelected |
Protected Attributes inherited from QCPLayerable | |
bool | mVisible |
QCustomPlot * | mParentPlot |
QPointer< QCPLayerable > | mParentLayerable |
QCPLayer * | mLayer |
bool | mAntialiased |
Additional Inherited Members | |
Signals inherited from QCPAbstractItem | |
void | selectionChanged (bool selected) |
This signal is emitted when the selection state of this item has changed, either by user interaction or by a direct call to setSelected. | |
void | selectableChanged (bool selectable) |
Signals inherited from QCPLayerable | |
void | layerChanged (QCPLayer *newLayer) |
This signal is emitted when the layer of this layerable changes, i.e. | |
A text label.
Its position is defined by the member position and the setting of setPositionAlignment. The latter controls which part of the text rect shall be aligned with position.
The text alignment itself (i.e. left, center, right) can be controlled with setTextAlignment.
The text may be rotated around the position point with setRotation.
Definition at line 3186 of file qcustomplot.h.
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Enumerator | |
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aiTopLeft | |
aiTop | |
aiTopRight | |
aiRight | |
aiBottomRight | |
aiBottom | |
aiBottomLeft | |
aiLeft |
Definition at line 3252 of file qcustomplot.h.
QCPItemText::QCPItemText | ( | QCustomPlot * | parentPlot | ) |
Creates a text item and sets default values.
The constructed item can be added to the plot with QCustomPlot::addItem.
Definition at line 20045 of file qcustomplot.cpp.
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Definition at line 20072 of file qcustomplot.cpp.
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Reimplemented from QCPAbstractItem.
Definition at line 20267 of file qcustomplot.cpp.
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Definition at line 3213 of file qcustomplot.h.
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Definition at line 3209 of file qcustomplot.h.
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Implements QCPAbstractItem.
Definition at line 20235 of file qcustomplot.cpp.
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Definition at line 3215 of file qcustomplot.h.
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Definition at line 20308 of file qcustomplot.cpp.
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Definition at line 20350 of file qcustomplot.cpp.
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Definition at line 3221 of file qcustomplot.h.
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Definition at line 3211 of file qcustomplot.h.
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Definition at line 3216 of file qcustomplot.h.
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Definition at line 3212 of file qcustomplot.h.
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This function is used to decide whether a click hits a layerable object or not.
pos is a point in pixel coordinates on the QCustomPlot surface. This function returns the shortest pixel distance of this point to the object. If the object is either invisible or the distance couldn't be determined, -1.0 is returned. Further, if onlySelectable is true and the object is not selectable, -1.0 is returned, too.
If the item is represented not by single lines but by an area like QCPItemRect or QCPItemText, a click inside the area returns a constant value greater zero (typically the selectionTolerance of the parent QCustomPlot multiplied by 0.99). If the click lies outside the area, this function returns -1.0.
Providing a constant value for area objects allows selecting line objects even when they are obscured by such area objects, by clicking close to the lines (i.e. closer than 0.99*selectionTolerance).
The actual setting of the selection state is not done by this function. This is handled by the parent QCustomPlot when the mouseReleaseEvent occurs, and the finally selected object is notified via the selectEvent/deselectEvent methods.
details is an optional output parameter. Every layerable subclass may place any information in details. This information will be passed to selectEvent when the parent QCustomPlot decides on the basis of this selectTest call, that the object was successfully selected. The subsequent call to selectEvent will carry the details. This is useful for multi-part objects (like QCPAxis). This way, a possibly complex calculation to decide which part was clicked is only done once in selectTest. The result (i.e. the actually clicked part) can then be placed in details. So in the subsequent selectEvent, the decision which part was selected doesn't have to be done a second time for a single selection operation.
You may pass 0 as details to indicate that you are not interested in those selection details.
Implements QCPAbstractItem.
Definition at line 20211 of file qcustomplot.cpp.
void QCPItemText::setBrush | ( | const QBrush & | brush | ) |
Sets the brush that will be used do fill the background of the text.
To disable the background, set brush to Qt::NoBrush.
Definition at line 20120 of file qcustomplot.cpp.
void QCPItemText::setColor | ( | const QColor & | color | ) |
Sets the color of the text.
Definition at line 20079 of file qcustomplot.cpp.
void QCPItemText::setFont | ( | const QFont & | font | ) |
Sets the font of the text.
Definition at line 20141 of file qcustomplot.cpp.
void QCPItemText::setPadding | ( | const QMargins & | padding | ) |
Sets the distance between the border of the text rectangle and the text.
The appearance (and visibility) of the text rectangle can be controlled with setPen and setBrush.
Definition at line 20205 of file qcustomplot.cpp.
void QCPItemText::setPen | ( | const QPen & | pen | ) |
Sets the pen that will be used do draw a rectangular border around the text.
To disable the border, set pen to Qt::NoPen.
Definition at line 20098 of file qcustomplot.cpp.
void QCPItemText::setPositionAlignment | ( | Qt::Alignment | alignment | ) |
Sets which point of the text rect shall be aligned with position.
Examples:
Qt::AlignHCenter | Qt::AlignTop
, the text will be positioned such that the top of the text rect will be horizontally centered on position. Qt::AlignLeft | Qt::AlignBottom
, position will indicate the bottom left corner of the text rect.If you want to control the alignment of (multi-lined) text within the text rect, use setTextAlignment.
Definition at line 20179 of file qcustomplot.cpp.
void QCPItemText::setRotation | ( | double | degrees | ) |
Sets the angle in degrees by which the text (and the text rectangle, if visible) will be rotated around position.
Definition at line 20196 of file qcustomplot.cpp.
void QCPItemText::setSelectedBrush | ( | const QBrush & | brush | ) |
Sets the brush that will be used do fill the background of the text, when the item is selected.
To disable the background, set brush to Qt::NoBrush.
Definition at line 20131 of file qcustomplot.cpp.
void QCPItemText::setSelectedColor | ( | const QColor & | color | ) |
Sets the color of the text that will be used when the item is selected.
Definition at line 20087 of file qcustomplot.cpp.
void QCPItemText::setSelectedFont | ( | const QFont & | font | ) |
Sets the font of the text that will be used when the item is selected.
Definition at line 20151 of file qcustomplot.cpp.
void QCPItemText::setSelectedPen | ( | const QPen & | pen | ) |
Sets the pen that will be used do draw a rectangular border around the text, when the item is selected.
To disable the border, set pen to Qt::NoPen.
Definition at line 20109 of file qcustomplot.cpp.
void QCPItemText::setText | ( | const QString & | text | ) |
Sets the text that will be displayed.
Multi-line texts are supported by inserting a line break character, e.g. '
'.
Definition at line 20162 of file qcustomplot.cpp.
void QCPItemText::setTextAlignment | ( | Qt::Alignment | alignment | ) |
Controls how (multi-lined) text is aligned inside the text rect (typically Qt::AlignLeft, Qt::AlignCenter or Qt::AlignRight).
Definition at line 20187 of file qcustomplot.cpp.
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Definition at line 3217 of file qcustomplot.h.
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Definition at line 3219 of file qcustomplot.h.
QCPItemAnchor* const QCPItemText::bottom |
Definition at line 3247 of file qcustomplot.h.
QCPItemAnchor* const QCPItemText::bottomLeft |
Definition at line 3248 of file qcustomplot.h.
QCPItemAnchor* const QCPItemText::bottomRight |
Definition at line 3246 of file qcustomplot.h.
QCPItemAnchor* const QCPItemText::left |
Definition at line 3249 of file qcustomplot.h.
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Definition at line 3257 of file qcustomplot.h.
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Definition at line 3261 of file qcustomplot.h.
QCPItemPosition* const QCPItemText::position |
Definition at line 3241 of file qcustomplot.h.
QCPItemAnchor* const QCPItemText::right |
Definition at line 3245 of file qcustomplot.h.
QCPItemAnchor* const QCPItemText::top |
Definition at line 3243 of file qcustomplot.h.
QCPItemAnchor* const QCPItemText::topLeft |
Definition at line 3242 of file qcustomplot.h.
QCPItemAnchor* const QCPItemText::topRight |
Definition at line 3244 of file qcustomplot.h.