C++ Fl_Check_Button::type方法代码示例

/*
  Called everytime we click the refresh button. This will request all participants
  and update the UI.
 */ 
void SelectorGUI::update(){
  int x = 40;
  int y = 10;
  int dy = 20; 
  int i = 0;
  int len = 0;
  
  swindow->clear();
  swindow->redraw();
  swindow->begin();
  
  len = GetParticipants(pList);
  
  for(i; i < len; i ++){
    ssrcList[i] = (char*)pList[i].ssrc;
    Fl_Check_Button* b = new Fl_Check_Button(x, y, 300, 30, pList[i].name);
    b->callback(static_selectCB, (void*) pList[i].ssrc);
    b->type(102);
    y = y + dy;
  }
  swindow->end();
  swindow->redraw();
}

void ModelerUserInterface::pickGroupProperty(GroupProperty* group) {
	// Remove the event listeners for old controls
	// TODO: we really need to have a PropertyEditor class that handles this
	// automatically...
	if (currentGroup) {
		PropertyList* props = currentGroup->getProperties();
		for (PropertyList::iterator iter = props->begin();
			 iter != props->end();
			 iter++)
		{
			if (RangeProperty* prop = dynamic_cast<RangeProperty*>(*iter)) {
				prop->unlisten((SignalListener)updateRangeSlider);
			} else if (RGBProperty* prop = dynamic_cast<RGBProperty*>(*iter)) {
				prop->unlisten((SignalListener)updateColorChooser);
			} else if (BooleanProperty* prop = dynamic_cast<BooleanProperty*>(*iter)) {
				prop->unlisten((SignalListener)updateCheckbox);
			} else if (ChoiceProperty* prop = dynamic_cast<ChoiceProperty*>(*iter)) {
				prop->unlisten((SignalListener)updateChoice);
			}
		}

		// Clear out the old controls
		m_controlsPack->clear();

		currentGroup = NULL;
	}

	// Reset the scrollbar
	m_controlsScroll->position(0, 0);

	// If there's no group, exit
	if (!group) {
		m_controlsScroll->redraw();
		return;
	}

	// Constants for slider dimensions
	const int packWidth = m_controlsPack->w();
	const int textHeight = 20;
	const int sliderHeight = 20;
	const int chooserHeight = 100;
	const int buttonHeight = 20;

	// Show them
	// For each control, add appropriate objects to the user interface
	currentGroup = group;
	PropertyList* props = group->getProperties();
	for (PropertyList::iterator iter = props->begin();
		 iter != props->end();
		 iter++)
    {
		// Ignore it if it's a group property (those belong in the tree).
		if (dynamic_cast<GroupProperty*>(*iter))
			continue;

		// And now we'll create a UI element for the property.
		// The big if-statement below uses dynamic_cast<PropertyType*>(ptr),
		// to see if a property has a given type.  dynamic_cast will
		// return 0 if ptr is not of type PropertyType.

		// Add a slider if the property is a RangeProperty
		if (RangeProperty* prop = dynamic_cast<RangeProperty*>(*iter)) {
			// Add the label
			Fl_Box *box = new Fl_Box(0, 0, packWidth, textHeight, (*iter)->getName());
			box->labelsize(14);
			box->align(FL_ALIGN_LEFT|FL_ALIGN_INSIDE);
			box->box(FL_FLAT_BOX); // otherwise, Fl_Scroll messes up (ehsu)
			m_controlsPack->add(box);

			// Add the slider
			Fl_Value_Slider *slider = new Fl_Value_Slider(0, 0, packWidth, sliderHeight);
			slider->type(1);
			slider->range(prop->getMin(), prop->getMax());
			slider->step(prop->getStep());
			slider->value(prop->getValue());
			m_controlsPack->add(slider);

			// Use the step size to determine the number of decimal places
			// shown in the slider's label.
			if (prop->getStep() > 0) {
			  slider->precision((int)-log(prop->getStep()));
			}

			// Have the slider notify the program when it changes
			slider->callback((Fl_Callback*)SliderCallback, (void*) prop);

			

			// Have the property notify the slider when it changes
			prop->listen((SignalListener)updateRangeSlider, (void*) slider);

		// Add a color picker if the property is an RGB property
		} else if (RGBProperty* prop = dynamic_cast<RGBProperty*>(*iter)) {
			// Add the label
			Fl_Box *box = new Fl_Box(0, 0, packWidth, textHeight, (*iter)->getName());
			box->align(FL_ALIGN_LEFT|FL_ALIGN_INSIDE);
			box->labelsize(14);
			box->box(FL_FLAT_BOX); // otherwise, Fl_Scroll messes up (ehsu)
			m_controlsPack->add(box);

//.........这里部分代码省略.........