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Refactored widget code to eliminate needFirstDraw variable

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This commit is contained in:
Scott Allen
2014-09-25 16:43:43 -04:00
parent b05451f4c6
commit 5e24583c31
2 changed files with 16 additions and 28 deletions
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37
MicroView.cpp
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@@ -1366,8 +1366,7 @@ MicroViewWidget::MicroViewWidget(uint8_t newx, uint8_t newy, int16_t min, int16_
posY(newy),
minValue(min),
maxValue(max),
value(min),
needFirstDraw(true)
value(min)
{
valLen=getInt16PrintLen(value);
setMaxValLen();
@@ -1450,8 +1449,8 @@ uint8_t MicroViewWidget::getValLen() { return valLen; }
Redraws the widget.
*/
void MicroViewWidget::reDraw() {
needFirstDraw=true;
this->drawFace();
this->drawPointer(); // initial pointer (will be erased)
this->draw();
}
@@ -1498,6 +1497,7 @@ MicroViewSlider::MicroViewSlider(uint8_t newx, uint8_t newy, int16_t min, int16_
prevValue(value)
{
drawFace();
drawPointer(); // Initial pointer (will be erased)
draw();
}
@@ -1532,6 +1532,7 @@ MicroViewSlider::MicroViewSlider(uint8_t newx, uint8_t newy, int16_t min, int16_
}
drawFace();
drawPointer(); // Initial pointer (will be erased)
draw();
}
@@ -1573,17 +1574,9 @@ void MicroViewSlider::drawFace() {
Convert the current value of the widget and draw the ticker representing the value.
*/
void MicroViewSlider::draw() {
// Draw the initial pointer or erase the previous pointer
drawPointer();
if (needFirstDraw) {
needFirstDraw=false;
}
else {
prevValue=value;
// Draw current pointer
drawPointer();
}
drawPointer(); // Erase the previous pointer
prevValue=value;
drawPointer(); // Draw the current pointer
// Draw numeric value if required
if (!noValDraw) {
@@ -1642,6 +1635,7 @@ MicroViewGauge::MicroViewGauge(uint8_t newx, uint8_t newy, int16_t min, int16_t
prevValue(value)
{
drawFace();
drawPointer(); // Initial pointer (will be erased)
draw();
}
@@ -1666,6 +1660,7 @@ MicroViewGauge::MicroViewGauge(uint8_t newx, uint8_t newy, int16_t min, int16_t
}
drawFace();
drawPointer(); // Initial pointer (will be erased)
draw();
}
@@ -1704,17 +1699,9 @@ void MicroViewGauge::drawFace() {
Convert the current value of the widget and draw the ticker representing the value.
*/
void MicroViewGauge::draw() {
// Draw the initial pointer or erase the previous pointer
drawPointer();
if (needFirstDraw) {
needFirstDraw=false;
}
else {
prevValue=value;
// Draw current pointer
drawPointer();
}
drawPointer(); // Erase the previous pointer
prevValue=value;
drawPointer(); // Draw the current pointer
// Draw numeric value if required
if (!noValDraw) {