Unexpected Scroll List/Scrollable Container Behaviour
Hi all. I have used the ListLayout Example as the basis of latest iteration of my TouchGFX project. Having already built a mockup gui from this example which worked as expected, I'm a little perplexed to find I'm having issues with this one.
Everything seemed to be going well until I started to add list element arrays into mainView.cpp:
mainView::mainView():
mainViewBase(),
awgElementClickedCallback(this, &mainView::awg_elementUpdateItem),
coilElementClickedCallback(this, &mainView::coil_elementUpdateItem),
layersElementClickedCallback(this, &mainView::layers_elementUpdateItem),
spinElementClickedCallback(this, &mainView::spin_elementUpdateItem),
stepElementClickedCallback(this, &mainView::step_elementUpdateItem),
tplElementClickedCallback(this, &mainView::tpl_elementUpdateItem),
wireElementClickedCallback(this, &mainView::wire_elementUpdateItem)
{
// ...
}
void mainView::setupScreen()
{
mainViewBase::setupScreen();
// awg mode list array
// awg_element.setHeight(0); //Compensates for the list height that is set to 200 by the designer
awgElements[0].awg_element_select(Bitmap(BITMAP_ICON0_ID), T_ELEMENT_00);
awgElements[1].awg_element_select(Bitmap(BITMAP_ICON0_ID), T_ELEMENT_01);
for (uint8_t i = 0; i < numberOfAwgElements; ++i)
{
awgElements[i].setAction(awgElementClickedCallback);
awg_element.add(awgElements[i]);
}
// coil mode list array
// coil_element.setHeight(0); //Compensates for the list height that is set to 200 by the designer
coilElements[0].coil_type_element_select(Bitmap(BITMAP_ICON0_ID), T_ELEMENT_03);
coilElements[1].coil_type_element_select(Bitmap(BITMAP_ICON0_ID), T_ELEMENT_04);
for (uint8_t i = 0; i < numberOfCoilElements; ++i)
{
coilElements[i].setAction(coilElementClickedCallback);
coil_element.add(coilElements[i]);
}
}and mainView.hpp
protected:
// working snippet
// static const int numberOfStepElements = 11;
// set_step_mode stepElements[numberOfStepElements];
//
// // Callback that is assigned to each list element
// Callback<main_screenView, set_step_mode&> stepElementClickedCallback;
static const int numberOfAwgElements = 2;
awg_element_container awgElements[numberOfAwgElements];
Callback<mainView, awg_element_container&> awgElementClickedCallback;
static const int numberOfCoilElements = 6;
coil_element_container coilElements[numberOfCoilElements];
Callback<mainView, coil_element_container&> coilElementClickedCallback;
static const int numberOfLayersElements = 20;
layers_element_container layersElements[numberOfLayersElements];
Callback<mainView, layers_element_container&> layersElementClickedCallback;
static const int numberOfSpinElements = 8;
spin_element_container spinElements[numberOfSpinElements];
Callback<mainView, spin_element_container&> spinElementClickedCallback;
static const int numberOfStepElements = 12;
step_element_container stepElements[numberOfStepElements];
Callback<mainView, step_element_container&> stepElementClickedCallback;
static const int numberOfTplElements = 9;
tpl_element_container tplElements[numberOfTplElements];
Callback<mainView, tpl_element_container&> tplElementClickedCallback;
static const int numberOfWireElements = 9;
wire_element_container wireElements[numberOfWireElements];
Callback<mainView, wire_element_container&> wireElementClickedCallback;If the above code is commented out, the 'awgElements' and 'coilElements' lists scroll as expected when run in the simulator. Uncommenting the code results in what appears to be a duplicate list, superimposed over the top. 
(top two lists are partially scrolled for the purpose of illustration).
It would seem to be an issue with my implementation of the list arrays however, I have checked and re-checked the syntax against a working example of the code but I can not find the root cause of this. I'm clearly missing something. A pointer in the right direction would be appreciated. Thanks.
