Method Adjust_AlterHelper

src/Display/ValueMenuItem.cpp:308–388

Adjust the value of this item by 'clicks' click of the encoder. 'clicks' is nonzero. Return true if we have finished adjusting it.

// Adjust the value of this item by 'clicks' click of the encoder. 'clicks' is nonzero.
// Return true if we have finished adjusting it.
bool ValueMenuItem::Adjust_AlterHelper(int clicks) noexcept
{
	itemChanged = true;			// we will probably change the value, so it will need to be re-displayed
	const unsigned int itemNumber = GetReferencedToolNumber();

	switch (valIndex/100)
	{
	case 1:	// heater active temperature
	case 2:	// heater standby temperature
		if (itemNumber < 80) // Tool heaters
		{
			// If we're decreasing, make any value smaller than 95 go to 0
			// If we're increasing, make any value between 0 and 95 jump directly to 95
			// Also cap the maximum
			if (0 > clicks) // decrementing
			{
				currentValue.fVal += (float)clicks;
				if (95.0 > currentValue.fVal)
				{
					currentValue.fVal = 0.0;
				}
			}
			else // incrementing
			{
				if (0.0 == currentValue.fVal)
				{
					currentValue.fVal = 95.0 - 1.0;
				}
				currentValue.fVal = min<float>(currentValue.fVal + (float)clicks, reprap.GetHeat().GetHighestTemperatureLimit(Tool::GetLockedTool(itemNumber)->GetHeater(0)));
			}
		}
		else
		{
			currentValue.fVal += (float)clicks;
		}
		break;

	case 3: // fan %
		currentValue.fVal = constrain<float>(currentValue.fVal + (float)clicks, 0.0, 100.0);
		break;

	case 5: // misc.
		switch (itemNumber)
		{
		case 0: // 500 Feed Rate
			currentValue.fVal = constrain<float>(currentValue.fVal + (float)clicks, 10.0, 500.0);
			break;

		case 20: // 520 Tool Selection
			currentValue.iVal = constrain<int>((int)currentValue.iVal + clicks, -1, 255);
			break;

		case 21: // 521 baby stepping
			{
				String<ShortGCodeLength> cmd;
				cmd.printf("M290 Z%.2f", (double)(0.02 * clicks));
				(void) reprap.GetGCodes().ProcessCommandFromLcd(cmd.c_str());
				adjusting = AdjustMode::liveAdjusting;