el h / SimpleGUI

Foundation classes for a basic GUI implementing simple widgets and events. (Fork for custom changes.)

Fork of SimpleGUI by Duncan McIntyre

Widgets/SpinnerWidget.cpp@12:63db16fea709, 2016-05-08 (annotated)

Committer:
duncanFrance
Date:
Sun May 08 14:42:08 2016 +0000
Revision:
12:63db16fea709
Parent:
11:b485561aa112
Child:
13:6714534e7974
Update to handle dirty pixels and geometric change/damage

Who changed what in which revision?

UserRevisionLine numberNew contents of line
duncanFrance 11:b485561aa112 1 #include "SpinnerWidget.h"
duncanFrance 11:b485561aa112 2
duncanFrance 12:63db16fea709 3 #include"resources/up_arrow_32x19_bmp.h"
duncanFrance 12:63db16fea709 4 #include"resources/down_arrow_32x19_bmp.h"
duncanFrance 11:b485561aa112 5
duncanFrance 12:63db16fea709 6 SpinnerWidget::SpinnerWidget(GraphicsContext *context)
duncanFrance 12:63db16fea709 7 : ContainerWidget(context),
duncanFrance 12:63db16fea709 8 _upArrow(context), _text(context), _downArrow(context),
duncanFrance 12:63db16fea709 9 _min(0), _max(0), _increment(0.5), _value(0),
duncanFrance 12:63db16fea709 10 _format(""), _buf("")
duncanFrance 11:b485561aa112 11 {
duncanFrance 12:63db16fea709 12
duncanFrance 12:63db16fea709 13 setLayout(VERTICAL_CENTER);
duncanFrance 12:63db16fea709 14
duncanFrance 12:63db16fea709 15 _upArrow.setBitmap(up_arrow_32x19_bmp, 32, 19);
duncanFrance 12:63db16fea709 16 _upArrow.setForeground(White);
duncanFrance 12:63db16fea709 17 _upArrow.setBackground(Black);
duncanFrance 12:63db16fea709 18 _upArrow.setMonochrome(true);
duncanFrance 12:63db16fea709 19
duncanFrance 12:63db16fea709 20 _downArrow.setBitmap(down_arrow_32x19_bmp, 32, 19);
duncanFrance 12:63db16fea709 21 _downArrow.setForeground(White);
duncanFrance 12:63db16fea709 22 _downArrow.setBackground(Black);
duncanFrance 12:63db16fea709 23 _downArrow.setMonochrome(true);
duncanFrance 12:63db16fea709 24
duncanFrance 12:63db16fea709 25 _text.setSize(32,32);
duncanFrance 12:63db16fea709 26 _text.setBorder(1,Green);
duncanFrance 12:63db16fea709 27 _text.setForeground(White);
duncanFrance 12:63db16fea709 28 _text.setBackground(Black);
duncanFrance 12:63db16fea709 29
duncanFrance 12:63db16fea709 30 EventHandler* up = new EventHandler(TOUCH_TAP, this, &SpinnerWidget::_onUpClick);
duncanFrance 12:63db16fea709 31 EventHandler* down = new EventHandler(TOUCH_TAP, this, &SpinnerWidget::_onDownClick);
duncanFrance 12:63db16fea709 32
duncanFrance 12:63db16fea709 33 attach(&_upArrow);
duncanFrance 12:63db16fea709 34 attach(&_text);
duncanFrance 12:63db16fea709 35 attach(&_downArrow);
duncanFrance 12:63db16fea709 36
duncanFrance 12:63db16fea709 37 _upArrow.setEventHandler(up);
duncanFrance 12:63db16fea709 38 _downArrow.setEventHandler(down);
duncanFrance 11:b485561aa112 39 }
duncanFrance 11:b485561aa112 40
duncanFrance 11:b485561aa112 41 void SpinnerWidget::setMin(float min)
duncanFrance 11:b485561aa112 42 {
duncanFrance 12:63db16fea709 43 if(_min != min) {
duncanFrance 12:63db16fea709 44 _min = min;
duncanFrance 12:63db16fea709 45 dirty();
duncanFrance 12:63db16fea709 46 }
duncanFrance 11:b485561aa112 47 }
duncanFrance 11:b485561aa112 48
duncanFrance 11:b485561aa112 49 void SpinnerWidget::setMax(float max)
duncanFrance 11:b485561aa112 50 {
duncanFrance 12:63db16fea709 51 if(_max != max) {
duncanFrance 12:63db16fea709 52 _max = max;
duncanFrance 12:63db16fea709 53 dirty();
duncanFrance 12:63db16fea709 54 }
duncanFrance 11:b485561aa112 55 }
duncanFrance 11:b485561aa112 56
duncanFrance 11:b485561aa112 57 void SpinnerWidget::setIncrement(float increment)
duncanFrance 11:b485561aa112 58 {
duncanFrance 12:63db16fea709 59 if(_increment != increment) {
duncanFrance 12:63db16fea709 60 _increment = increment;
duncanFrance 12:63db16fea709 61 dirty();
duncanFrance 12:63db16fea709 62 }
duncanFrance 11:b485561aa112 63 }
duncanFrance 11:b485561aa112 64
duncanFrance 11:b485561aa112 65 void SpinnerWidget::setValue(float value)
duncanFrance 11:b485561aa112 66 {
duncanFrance 12:63db16fea709 67 if(_value != value) {
duncanFrance 12:63db16fea709 68 _value = value;
duncanFrance 12:63db16fea709 69 dirty();
duncanFrance 12:63db16fea709 70 }
duncanFrance 12:63db16fea709 71 }
duncanFrance 12:63db16fea709 72
duncanFrance 12:63db16fea709 73 void SpinnerWidget::setFormat(const char* format)
duncanFrance 12:63db16fea709 74 {
duncanFrance 12:63db16fea709 75 _format = format;
duncanFrance 12:63db16fea709 76 dirty();
duncanFrance 12:63db16fea709 77 }
duncanFrance 12:63db16fea709 78
duncanFrance 12:63db16fea709 79
duncanFrance 12:63db16fea709 80 float SpinnerWidget::getMin()
duncanFrance 12:63db16fea709 81 {
duncanFrance 12:63db16fea709 82 return _min;
duncanFrance 11:b485561aa112 83 }
duncanFrance 11:b485561aa112 84
duncanFrance 12:63db16fea709 85 float SpinnerWidget::getMax()
duncanFrance 12:63db16fea709 86 {
duncanFrance 12:63db16fea709 87 return _max;
duncanFrance 12:63db16fea709 88 }
duncanFrance 12:63db16fea709 89
duncanFrance 12:63db16fea709 90 float SpinnerWidget::getIncrement()
duncanFrance 11:b485561aa112 91 {
duncanFrance 12:63db16fea709 92 return _increment;
duncanFrance 12:63db16fea709 93 }
duncanFrance 12:63db16fea709 94
duncanFrance 12:63db16fea709 95 float SpinnerWidget::getValue()
duncanFrance 12:63db16fea709 96 {
duncanFrance 12:63db16fea709 97 return _value;
duncanFrance 12:63db16fea709 98 }
duncanFrance 12:63db16fea709 99
duncanFrance 12:63db16fea709 100 const char* SpinnerWidget::getFormat()
duncanFrance 12:63db16fea709 101 {
duncanFrance 12:63db16fea709 102 return _format;
duncanFrance 11:b485561aa112 103 }
duncanFrance 11:b485561aa112 104
duncanFrance 11:b485561aa112 105 template<typename T>
duncanFrance 12:63db16fea709 106 void SpinnerWidget::onChange(T* tptr, void (T::*mptr)(Event))
duncanFrance 11:b485561aa112 107 {
duncanFrance 11:b485561aa112 108 _onChange.attach(tptr, mptr);
duncanFrance 11:b485561aa112 109 }
duncanFrance 11:b485561aa112 110
duncanFrance 12:63db16fea709 111 void SpinnerWidget::setSize(int width, int height)
duncanFrance 12:63db16fea709 112 {
duncanFrance 12:63db16fea709 113 _text.setSize(width, _text.height());
duncanFrance 12:63db16fea709 114 ContainerWidget::setSize(width, height);
duncanFrance 12:63db16fea709 115 }
duncanFrance 11:b485561aa112 116
duncanFrance 12:63db16fea709 117 void SpinnerWidget::_dirty()
duncanFrance 12:63db16fea709 118 {
duncanFrance 12:63db16fea709 119
duncanFrance 12:63db16fea709 120 sprintf(_buf, _format, _value);
duncanFrance 12:63db16fea709 121 _text.setText(_buf);
duncanFrance 12:63db16fea709 122
duncanFrance 12:63db16fea709 123 ContainerWidget::_dirty();
duncanFrance 11:b485561aa112 124 }
duncanFrance 12:63db16fea709 125
duncanFrance 12:63db16fea709 126
duncanFrance 12:63db16fea709 127 void SpinnerWidget::_onUpClick(Event e)
duncanFrance 12:63db16fea709 128 {
duncanFrance 12:63db16fea709 129 _value += _increment;
duncanFrance 12:63db16fea709 130 if(_value > _max) {
duncanFrance 12:63db16fea709 131 _value = _max;
duncanFrance 12:63db16fea709 132 }
duncanFrance 12:63db16fea709 133 dirty();
duncanFrance 12:63db16fea709 134 }
duncanFrance 12:63db16fea709 135
duncanFrance 12:63db16fea709 136 void SpinnerWidget::_onDownClick(Event e)
duncanFrance 12:63db16fea709 137 {
duncanFrance 12:63db16fea709 138 _value -= _increment;
duncanFrance 12:63db16fea709 139 if(_value < _min) {
duncanFrance 12:63db16fea709 140 _value = _min;
duncanFrance 12:63db16fea709 141 }
duncanFrance 12:63db16fea709 142 dirty();
duncanFrance 11:b485561aa112 143 }