bullet3/examples/ExampleBrowser/GwenGUISupport/GwenParameterInterface.cpp

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#include "GwenParameterInterface.h"
#include "gwenInternalData.h"
struct MyButtonEventHandler : public Gwen::Event::Handler
{
ButtonParamChangedCallback m_callback;
void* m_userPointer;
int m_buttonId;
MyButtonEventHandler(ButtonParamChangedCallback callback, int buttonId, void* userPointer)
:m_callback(callback),
m_userPointer(userPointer),
m_buttonId(buttonId)
{
}
void onButtonPress( Gwen::Controls::Base* pControl )
{
if (m_callback)
{
(*m_callback)(m_buttonId, true, m_userPointer);
}
}
};
template<typename T>
struct MySliderEventHandler : public Gwen::Event::Handler
{
Gwen::Controls::TextBox* m_label;
Gwen::Controls::Slider* m_pSlider;
char m_variableName[1024];
T* m_targetValue;
bool m_showValue;
MySliderEventHandler(const char* varName, Gwen::Controls::TextBox* label, Gwen::Controls::Slider* pSlider,T* target)
:m_label(label),
m_pSlider(pSlider),
m_targetValue(target),
m_showValue(true)
{
memcpy(m_variableName,varName,strlen(varName)+1);
}
void SliderMoved( Gwen::Controls::Base* pControl )
{
Gwen::Controls::Slider* pSlider = (Gwen::Controls::Slider*)pControl;
//printf("value = %f\n", pSlider->GetValue());//UnitPrint( Utility::Format( L"Slider Value: %.2f", pSlider->GetValue() ) );
float bla = pSlider->GetValue();
T v = T(bla);
SetValue(v);
}
void SetValue(T v)
{
if (v < m_pSlider->GetRangeMin())
{
printf("?\n");
}
if (v > m_pSlider->GetRangeMax())
{
printf("?\n");
}
m_pSlider->SetValue(v,true);
(*m_targetValue) = v;
float val = float(v);//todo: specialize on template type
if (m_showValue)
{
char txt[1024];
sprintf(txt,"%s : %.3f", m_variableName,val);
m_label->SetText(txt);
}
}
};
struct GwenParameters
{
b3AlignedObjectArray<MySliderEventHandler<btScalar>*> m_sliderEventHandlers;
b3AlignedObjectArray<Gwen::Controls::HorizontalSlider*> m_sliders;
b3AlignedObjectArray<Gwen::Controls::ComboBox*> m_comboBoxes;
b3AlignedObjectArray<Gwen::Controls::Button*> m_buttons;
b3AlignedObjectArray<MyButtonEventHandler*> m_buttonEventHandlers;
b3AlignedObjectArray<Gwen::Controls::TextBox*> m_textLabels;
int m_savedYposition;
};
GwenParameterInterface::GwenParameterInterface(GwenInternalData* gwenInternalData)
:m_gwenInternalData(gwenInternalData)
{
m_paramInternalData = new GwenParameters;
m_paramInternalData->m_savedYposition = m_gwenInternalData->m_curYposition;
}
GwenParameterInterface::~GwenParameterInterface()
{
removeAllParameters();
delete m_paramInternalData;
}
void GwenParameterInterface::setSliderValue(int sliderIndex, double sliderValue)
{
int sliderCapped = sliderValue+4;
sliderCapped /= 8;
sliderCapped *= 8;
if (sliderIndex>=0 && sliderIndex<m_paramInternalData->m_sliders.size())
{
m_paramInternalData->m_sliders[sliderIndex]->GetRangeMin();
m_paramInternalData->m_sliders[sliderIndex]->GetRangeMax();
float mappedValue =m_paramInternalData->m_sliders[sliderIndex]->GetRangeMin()+
(m_paramInternalData->m_sliders[sliderIndex]->GetRangeMax()-
m_paramInternalData->m_sliders[sliderIndex]->GetRangeMin())*sliderCapped/128.f;
printf("mappedValue = %f\n",mappedValue);
m_paramInternalData->m_sliders[sliderIndex]->SetValue(mappedValue);
}
}
#include <stdio.h>
void GwenParameterInterface::registerButtonParameter(ButtonParams& params)
{
Gwen::Controls::Button* button = new Gwen::Controls::Button(m_gwenInternalData->m_demoPage->GetPage());
MyButtonEventHandler* handler = new MyButtonEventHandler(params.m_callback,params.m_buttonId,params.m_userPointer);
button->SetText(params.m_name);
button->onPress.Add( handler, &MyButtonEventHandler::onButtonPress );
m_paramInternalData->m_buttons.push_back(button);
m_paramInternalData->m_buttonEventHandlers.push_back(handler);
button->SetPos( 5, m_gwenInternalData->m_curYposition );
button->SetWidth(220);
m_gwenInternalData->m_curYposition+=22;
}
struct MyComboBoxHander2 :public Gwen::Event::Handler
{
GwenInternalData* m_data;
int m_buttonId;
ComboBoxCallback m_callback;
void* m_userPointer;
MyComboBoxHander2 (GwenInternalData* data, int buttonId,ComboBoxCallback callback, void* userPointer)
:m_data(data),
m_buttonId(buttonId),
m_callback(callback),
m_userPointer(userPointer)
{
}
void onSelect( Gwen::Controls::Base* pControl )
{
Gwen::Controls::ComboBox* but = (Gwen::Controls::ComboBox*) pControl;
Gwen::String str = Gwen::Utility::UnicodeToString( but->GetSelectedItem()->GetText());
if (m_callback)
(*m_callback)(m_buttonId,str.c_str(),m_userPointer);
}
};
void GwenParameterInterface::registerComboBox(ComboBoxParams& params)
{
Gwen::Controls::ComboBox* combobox = new Gwen::Controls::ComboBox(m_gwenInternalData->m_demoPage->GetPage());
m_paramInternalData->m_comboBoxes.push_back(combobox);
MyComboBoxHander2* handler = new MyComboBoxHander2(m_gwenInternalData, params.m_comboboxId,params.m_callback, params.m_userPointer);
m_gwenInternalData->m_handlers.push_back(handler);
combobox->onSelection.Add(handler,&MyComboBoxHander2::onSelect);
int ypos = m_gwenInternalData->m_curYposition;
m_gwenInternalData->m_curYposition+=22;
combobox->SetPos(10, ypos );
combobox->SetWidth( 100 );
//box->SetPos(120,130);
for (int i=0;i<params.m_numItems;i++)
{
Gwen::Controls::MenuItem* item = combobox->AddItem(Gwen::Utility::StringToUnicode(params.m_items[i]));
if (i==params.m_startItem)
combobox->OnItemSelected(item);
}
}
void GwenParameterInterface::registerSliderFloatParameter(SliderParams& params)
{
Gwen::Controls::TextBox* label = new Gwen::Controls::TextBox(m_gwenInternalData->m_demoPage->GetPage());
m_paramInternalData->m_textLabels.push_back(label);
//m_data->m_myControls.push_back(label);
label->SetText( params.m_name);
label->SetPos( 10, 10 + 25 );
label->SetWidth(210);
label->SetPos(10,m_gwenInternalData->m_curYposition);
m_gwenInternalData->m_curYposition+=22;
Gwen::Controls::HorizontalSlider* pSlider = new Gwen::Controls::HorizontalSlider( m_gwenInternalData->m_demoPage->GetPage());
m_paramInternalData->m_sliders.push_back(pSlider);
//m_data->m_myControls.push_back(pSlider);
pSlider->SetPos( 10, m_gwenInternalData->m_curYposition );
pSlider->SetSize( 200, 20 );
pSlider->SetRange( params.m_minVal, params.m_maxVal);
pSlider->SetNotchCount(128);//float(params.m_maxVal-params.m_minVal)/100.f);
pSlider->SetClampToNotches( params.m_clampToNotches );
pSlider->SetValue( *params.m_paramValuePointer);//dimensions[i] );
char labelName[1024];
sprintf(labelName,"%s",params.m_name);//axisNames[0]);
MySliderEventHandler<btScalar>* handler = new MySliderEventHandler<btScalar>(labelName,label,pSlider,params.m_paramValuePointer);
handler->m_showValue = params.m_showValues;
m_paramInternalData->m_sliderEventHandlers.push_back(handler);
pSlider->onValueChanged.Add( handler, &MySliderEventHandler<btScalar>::SliderMoved );
handler->SliderMoved(pSlider);
// float v = pSlider->GetValue();
m_gwenInternalData->m_curYposition+=22;
}
void GwenParameterInterface::syncParameters()
{
for (int i=0;i<m_paramInternalData->m_sliderEventHandlers.size();i++)
{
MySliderEventHandler<btScalar>* handler = m_paramInternalData->m_sliderEventHandlers[i];
handler->m_pSlider->SetValue(*handler->m_targetValue,true);
}
}
void GwenParameterInterface::removeAllParameters()
{
for (int i=0;i<m_paramInternalData->m_buttons.size();i++)
{
delete m_paramInternalData->m_buttons[i];
}
m_paramInternalData->m_buttons.clear();
for (int i=0;i<m_paramInternalData->m_buttonEventHandlers.size();i++)
{
delete m_paramInternalData->m_buttonEventHandlers[i];
}
m_paramInternalData->m_buttonEventHandlers.clear();
m_gwenInternalData->m_curYposition+=22;
for (int i=0;i<m_paramInternalData->m_sliders.size();i++)
{
delete m_paramInternalData->m_sliders[i];
}
m_paramInternalData->m_sliders.clear();
for (int i=0;i<m_paramInternalData->m_sliderEventHandlers.size();i++)
{
delete m_paramInternalData->m_sliderEventHandlers[i];
}
m_paramInternalData->m_sliderEventHandlers.clear();
for (int i=0;i<m_paramInternalData->m_textLabels.size();i++)
{
delete m_paramInternalData->m_textLabels[i];
}
m_paramInternalData->m_textLabels.clear();
for (int i=0;i<m_paramInternalData->m_comboBoxes.size();i++)
{
delete m_paramInternalData->m_comboBoxes[i];
}
m_paramInternalData->m_comboBoxes.clear();
m_gwenInternalData->m_curYposition = this->m_paramInternalData->m_savedYposition;
for (int i=0;i<m_gwenInternalData->m_handlers.size();i++)
{
delete m_gwenInternalData->m_handlers[i];
}
m_gwenInternalData->m_handlers.clear();
}