QGIS API Documentation
3.4.15-Madeira (e83d02e274)
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A button for creating and modifying QgsSymbol settings. More...
#include <qgssymbolbutton.h>
Public Slots | |
void | copyColor () |
Copies the current symbol color to the clipboard. More... | |
void | copySymbol () |
Copies the current symbol to the clipboard. More... | |
void | pasteColor () |
Pastes a color from the clipboard to the symbol. More... | |
void | pasteSymbol () |
Pastes a symbol from the clipboard. More... | |
void | setColor (const QColor &color) |
Sets the current color for the symbol. More... | |
void | setSymbol (QgsSymbol *symbol) |
Sets the symbol for the button. More... | |
Signals | |
void | changed () |
Emitted when the symbol's settings are changed. More... | |
Public Member Functions | |
QgsSymbolButton (QWidget *parent=nullptr, const QString &dialogTitle=QString()) | |
Construct a new symbol button. More... | |
template<class SymbolType > | |
SymbolType * | clonedSymbol () |
Returns a clone of the current symbol (as the specified template type) defined by the button. More... | |
QString | dialogTitle () const |
Returns the title for the symbol settings dialog window. More... | |
QgsVectorLayer * | layer () const |
Returns the layer associated with the widget. More... | |
QgsMapCanvas * | mapCanvas () const |
Returns the map canvas associated with the widget. More... | |
QSize | minimumSizeHint () const override |
void | registerExpressionContextGenerator (QgsExpressionContextGenerator *generator) |
Register an expression context generator class that will be used to retrieve an expression context for the button when required. More... | |
void | setDialogTitle (const QString &title) |
Sets the title for the symbol settings dialog window. More... | |
void | setLayer (QgsVectorLayer *layer) |
Sets a layer to associate with the widget. More... | |
void | setMapCanvas (QgsMapCanvas *canvas) |
Sets a map canvas to associate with the widget. More... | |
void | setSymbolType (QgsSymbol::SymbolType type) |
Sets the symbol type which the button requires. More... | |
QSize | sizeHint () const override |
QgsSymbol * | symbol () |
Returns the current symbol defined by the button. More... | |
QgsSymbol::SymbolType | symbolType () const |
Returns the symbol type which the button requires. More... | |
Protected Member Functions | |
void | changeEvent (QEvent *e) override |
void | dragEnterEvent (QDragEnterEvent *e) override |
void | dragLeaveEvent (QDragLeaveEvent *e) override |
void | dropEvent (QDropEvent *e) override |
void | mouseMoveEvent (QMouseEvent *e) override |
void | mousePressEvent (QMouseEvent *e) override |
void | resizeEvent (QResizeEvent *event) override |
void | showEvent (QShowEvent *e) override |
Properties | |
QString | dialogTitle |
A button for creating and modifying QgsSymbol settings.
The button shows a preview icon for the current symbol, and will open a detailed symbol editor dialog (or panel widget) when clicked.
Definition at line 40 of file qgssymbolbutton.h.
QgsSymbolButton::QgsSymbolButton | ( | QWidget * | parent = nullptr , |
const QString & | dialogTitle = QString() |
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Construct a new symbol button.
Use dialogTitle string to define the title to show in the symbol settings dialog.
Definition at line 32 of file qgssymbolbutton.cpp.
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signal |
Emitted when the symbol's settings are changed.
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overrideprotected |
Definition at line 401 of file qgssymbolbutton.cpp.
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inline |
Returns a clone of the current symbol (as the specified template type) defined by the button.
Definition at line 96 of file qgssymbolbutton.h.
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slot |
Copies the current symbol color to the clipboard.
Definition at line 205 of file qgssymbolbutton.cpp.
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slot |
Copies the current symbol to the clipboard.
Definition at line 193 of file qgssymbolbutton.cpp.
QString QgsSymbolButton::dialogTitle | ( | ) | const |
Returns the title for the symbol settings dialog window.
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overrideprotected |
Definition at line 262 of file qgssymbolbutton.cpp.
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overrideprotected |
Definition at line 278 of file qgssymbolbutton.cpp.
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overrideprotected |
Definition at line 285 of file qgssymbolbutton.cpp.
QgsVectorLayer * QgsSymbolButton::layer | ( | ) | const |
Returns the layer associated with the widget.
Definition at line 158 of file qgssymbolbutton.cpp.
QgsMapCanvas * QgsSymbolButton::mapCanvas | ( | ) | const |
Returns the map canvas associated with the widget.
Definition at line 148 of file qgssymbolbutton.cpp.
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override |
Definition at line 53 of file qgssymbolbutton.cpp.
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overrideprotected |
Definition at line 236 of file qgssymbolbutton.cpp.
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overrideprotected |
Definition at line 222 of file qgssymbolbutton.cpp.
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slot |
Pastes a color from the clipboard to the symbol.
If clipboard does not contain a valid color or string representation of a color, then no change is applied.
Definition at line 210 of file qgssymbolbutton.cpp.
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slot |
Pastes a symbol from the clipboard.
If clipboard does not contain a valid symbol then no change is applied.
Definition at line 198 of file qgssymbolbutton.cpp.
void QgsSymbolButton::registerExpressionContextGenerator | ( | QgsExpressionContextGenerator * | generator | ) |
Register an expression context generator class that will be used to retrieve an expression context for the button when required.
Definition at line 168 of file qgssymbolbutton.cpp.
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overrideprotected |
Definition at line 416 of file qgssymbolbutton.cpp.
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slot |
Sets the current color for the symbol.
Will emit a changed() signal if the color is different to the previous symbol color.
Definition at line 180 of file qgssymbolbutton.cpp.
void QgsSymbolButton::setDialogTitle | ( | const QString & | title | ) |
Sets the title for the symbol settings dialog window.
Definition at line 523 of file qgssymbolbutton.cpp.
void QgsSymbolButton::setLayer | ( | QgsVectorLayer * | layer | ) |
Sets a layer to associate with the widget.
This allows the widget to setup layer related settings within the symbol settings dialog, such as correctly populating data defined override buttons.
Definition at line 163 of file qgssymbolbutton.cpp.
void QgsSymbolButton::setMapCanvas | ( | QgsMapCanvas * | canvas | ) |
Sets a map canvas to associate with the widget.
This allows the widget to fetch current settings from the map canvas, such as current scale.
Definition at line 153 of file qgssymbolbutton.cpp.
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slot |
Sets the symbol for the button.
Ownership of symbol is transferred to the button.
Definition at line 173 of file qgssymbolbutton.cpp.
void QgsSymbolButton::setSymbolType | ( | QgsSymbol::SymbolType | type | ) |
Sets the symbol type which the button requires.
If the type differs from the current symbol type, the symbol will be reset to a default symbol style of the new type.
Definition at line 64 of file qgssymbolbutton.cpp.
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overrideprotected |
Definition at line 410 of file qgssymbolbutton.cpp.
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override |
Definition at line 59 of file qgssymbolbutton.cpp.
QgsSymbol * QgsSymbolButton::symbol | ( | ) |
Returns the current symbol defined by the button.
Definition at line 533 of file qgssymbolbutton.cpp.
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inline |
Returns the symbol type which the button requires.
Definition at line 69 of file qgssymbolbutton.h.
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readwrite |
Definition at line 44 of file qgssymbolbutton.h.