Foundation classes for a basic GUI implementing simple widgets and events. (Fork for custom changes.)
Fork of SimpleGUI by
Diff: Widgets/SpinnerWidget.cpp
- Revision:
- 12:63db16fea709
- Parent:
- 11:b485561aa112
- Child:
- 13:6714534e7974
diff -r b485561aa112 -r 63db16fea709 Widgets/SpinnerWidget.cpp --- a/Widgets/SpinnerWidget.cpp Fri Apr 22 16:12:42 2016 +0000 +++ b/Widgets/SpinnerWidget.cpp Sun May 08 14:42:08 2016 +0000 @@ -1,54 +1,143 @@ #include "SpinnerWidget.h" -#include"resources/spinner-upArrow.bmp" -#include"resources/spinner-downArrow.bmp" +#include"resources/up_arrow_32x19_bmp.h" +#include"resources/down_arrow_32x19_bmp.h" -SpinnerWidget::SpinnerWidget(GUI* gui) : ContainerWidget(gui), - _upArrow(gui), _downArrow(gui), _text(gui), _min(0), _max(0), _increment(1), _value(0) +SpinnerWidget::SpinnerWidget(GraphicsContext *context) + : ContainerWidget(context), + _upArrow(context), _text(context), _downArrow(context), + _min(0), _max(0), _increment(0.5), _value(0), + _format(""), _buf("") { - _upArrow.setBitmap(spinner_upArrow_bmp); - _upArrow.setSize(10,10); - - _downArrow.setBitmap(spinner_downArrow_bmp); - _downArrow.setSize(10,10); - - _text.setSize(gui->defaultFont()->width() * 4, gui->defaultFont()->height()); - - append(_upArrow); - append(_downArrow); - append(_text); - + + setLayout(VERTICAL_CENTER); + + _upArrow.setBitmap(up_arrow_32x19_bmp, 32, 19); + _upArrow.setForeground(White); + _upArrow.setBackground(Black); + _upArrow.setMonochrome(true); + + _downArrow.setBitmap(down_arrow_32x19_bmp, 32, 19); + _downArrow.setForeground(White); + _downArrow.setBackground(Black); + _downArrow.setMonochrome(true); + + _text.setSize(32,32); + _text.setBorder(1,Green); + _text.setForeground(White); + _text.setBackground(Black); + + EventHandler* up = new EventHandler(TOUCH_TAP, this, &SpinnerWidget::_onUpClick); + EventHandler* down = new EventHandler(TOUCH_TAP, this, &SpinnerWidget::_onDownClick); + + attach(&_upArrow); + attach(&_text); + attach(&_downArrow); + + _upArrow.setEventHandler(up); + _downArrow.setEventHandler(down); } void SpinnerWidget::setMin(float min) { + if(_min != min) { + _min = min; + dirty(); + } } void SpinnerWidget::setMax(float max) { + if(_max != max) { + _max = max; + dirty(); + } } void SpinnerWidget::setIncrement(float increment) { + if(_increment != increment) { + _increment = increment; + dirty(); + } } void SpinnerWidget::setValue(float value) { + if(_value != value) { + _value = value; + dirty(); + } +} + +void SpinnerWidget::setFormat(const char* format) +{ + _format = format; + dirty(); +} + + +float SpinnerWidget::getMin() +{ + return _min; } -void SpinnerWidget::getValue() +float SpinnerWidget::getMax() +{ + return _max; +} + +float SpinnerWidget::getIncrement() { + return _increment; +} + +float SpinnerWidget::getValue() +{ + return _value; +} + +const char* SpinnerWidget::getFormat() +{ + return _format; } template<typename T> -void SpinnerWidget::onChange(T* tptr, void (T::*mptr)(SpinnerWidget*)) +void SpinnerWidget::onChange(T* tptr, void (T::*mptr)(Event)) { _onChange.attach(tptr, mptr); } +void SpinnerWidget::setSize(int width, int height) +{ + _text.setSize(width, _text.height()); + ContainerWidget::setSize(width, height); +} -void SpinnerWidget::_onUpClick() { +void SpinnerWidget::_dirty() +{ + + sprintf(_buf, _format, _value); + _text.setText(_buf); + + ContainerWidget::_dirty(); } - -void SpinnerWidget::_onDownClick() { + + +void SpinnerWidget::_onUpClick(Event e) +{ + _value += _increment; + if(_value > _max) { + _value = _max; + } + dirty(); +} + +void SpinnerWidget::_onDownClick(Event e) +{ + _value -= _increment; + if(_value < _min) { + _value = _min; + } + dirty(); } \ No newline at end of file