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Add doc for using setCompatibleMaterialDiameter() in QML

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CURA-5834
This commit is contained in:
Lipu Fei 2018-10-22 10:56:04 +02:00
parent 97e6354c13
commit ea9aa2c777
1 changed files with 11 additions and 0 deletions
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11
plugins/MachineSettingsAction/MachineSettingsAction.qml
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@ -621,6 +621,17 @@ Cura.MachineAction
{
if (propertyProvider && text != propertyProvider.properties.value)
{
// For some properties like the extruder-compatible material diameter, they need to
// trigger many updates, such as the available materials, the current material may
// need to be switched, etc. Although setting the diameter can be done directly via
// the provider, all the updates that need to be triggered then need to depend on
// the metadata update, a signal that can be fired way too often. The update functions
// can have if-checks to filter out the irrelevant updates, but still it incurs unnecessary
// overhead.
// The ExtruderStack class has a dedicated function for this call "setCompatibleMaterialDiameter()",
// and it triggers the diameter update signals only when it is needed. Here it is optionally
// choose to use setCompatibleMaterialDiameter() or other more specific functions that
// are available.
if (_setValueFunction !== undefined)
{
_setValueFunction(text);