touchgfx::RadioButtonGroup

Syntax

class RadioButtonGroup { public: RadioButtonGroup() : size(0), radioButtonClicked(this, &RadioButtonGroup::radioButtonClickedHandler), radioButtonUnselected(this, &RadioButtonGroup::radioButtonDeselectedHandler), radioButtonSelectedCallback(0), radioButtonDeselectedCallback(0) { } virtual ~RadioButtonGroup() { } virtual void add(RadioButton& radioButton) { assert(size < CAPACITY && "RadioButtonGroup capacity exceeded!"); radioButton.setAction(radioButtonClicked); radioButton.setDeselectedAction(radioButtonUnselected); radioButtons[size++] = &radioButton; } virtual RadioButton* getRadioButton(uint16_t index) const { return (size > index) ? radioButtons[index] : 0; } virtual int32_t getSelectedRadioButtonIndex() const { for (uint16_t i = 0; i < size; i++) { if (radioButtons[i]->getSelected()) { return i; } } return -1; } virtual RadioButton* getSelectedRadioButton() const { int32_t index = getSelectedRadioButtonIndex(); return (index < 0) ? 0 : getRadioButton(index); } virtual void setSelected(RadioButton& radioButton) { radioButton.setSelected(true); radioButtonClickedHandler(radioButton); } virtual void setDeselectionEnabled(bool deselectionEnabled) { for (uint16_t i = 0; i < size; i++) { radioButtons[i]->setDeselectionEnabled(deselectionEnabled); } } virtual bool getDeselectionEnabled() const { return (size > 0) ? radioButtons[0]->getDeselectionEnabled() : false; } void setRadioButtonSelectedHandler(GenericCallback< const AbstractButton& >& callback) { radioButtonSelectedCallback = &callback; } void setRadioButtonDeselectedHandler(GenericCallback< const AbstractButton& >& callback) { radioButtonDeselectedCallback = &callback; } protected: RadioButton* radioButtons[CAPACITY]; uint16_t size; Callback<RadioButtonGroup, const AbstractButton& > radioButtonClicked; Callback<RadioButtonGroup, const AbstractButton& > radioButtonUnselected; GenericCallback<const AbstractButton& >* radioButtonSelectedCallback; GenericCallback<const AbstractButton& >* radioButtonDeselectedCallback; virtual void radioButtonClickedHandler(const AbstractButton& radioButton) { for (uint16_t i = 0; i < size; i++) { if (radioButtons[i] != &radioButton) { if (radioButtons[i]->getSelected()) { radioButtons[i]->setSelected(false); } } } if (radioButtonSelectedCallback && radioButtonSelectedCallback->isValid()) { radioButtonSelectedCallback->execute(radioButton); } } virtual void radioButtonDeselectedHandler(const AbstractButton& radioButton) { if (radioButtonDeselectedCallback && radioButtonDeselectedCallback->isValid()) { radioButtonDeselectedCallback->execute(radioButton); } } };

Syntax

Examples

References