C++ Fl_Pack::box方法代码示例

int main(int argc, char **argv) {
 Fl_Window *w;
 {Fl_Window* o = new Fl_Window(365, 525);
  w = o;
  scroll = new Fl_Scroll(10,10,345,285);
  {Fl_Pack* o = new Fl_Pack(10, 10, 345, 285);
   pack = o;
   o->box(FL_DOWN_BOX);
   //o->box(FL_ENGRAVED_FRAME);
   (void) new Fl_Button(35, 35, 25, 25, "b1");
   (void) new Fl_Button(45, 45, 25, 25, "b2");
   (void) new Fl_Button(55, 55, 25, 25, "b3");
   (void) new Fl_Button(65, 65, 25, 25, "b4");
   (void) new Fl_Button(75, 75, 25, 25, "b5");
   (void) new Fl_Button(85, 85, 25, 25, "b6");
   (void) new Fl_Button(95, 95, 25, 25, "b7");
   (void) new Fl_Button(105, 105, 25, 25, "b8");
   (void) new Fl_Button(115, 115, 25, 25, "b9");
   (void) new Fl_Button(125, 125, 25, 25, "b10");
   (void) new Fl_Button(135, 135, 25, 25, "b11");
   (void) new Fl_Button(145, 145, 25, 25, "b12");
   (void) new Fl_Button(155, 155, 25, 25, "b13");
   (void) new Fl_Button(165, 165, 25, 25, "b14");
   (void) new Fl_Button(175, 175, 25, 25, "b15");
   (void) new Fl_Button(185, 185, 25, 25, "b16");
   (void) new Fl_Button(195, 195, 25, 25, "b17");
   (void) new Fl_Button(205, 205, 25, 25, "b18");
   (void) new Fl_Button(215, 215, 25, 25, "b19");
   (void) new Fl_Button(225, 225, 25, 25, "b20");
   (void) new Fl_Button(235, 235, 25, 25, "b21");
   (void) new Fl_Button(245, 245, 25, 25, "b22");
   (void) new Fl_Button(255, 255, 25, 25, "b23");
   (void) new Fl_Button(265, 265, 25, 25, "b24");
   o->end();
   w->resizable(o);
  }
  scroll->end();
  {Fl_Light_Button* o = new Fl_Light_Button(10, 325, 175, 25, "HORIZONTAL");
   o->type(FL_RADIO_BUTTON);
   o->callback((Fl_Callback*)type_cb, (void*)(Fl_Pack::HORIZONTAL));
  }
  {Fl_Light_Button* o = new Fl_Light_Button(10, 350, 175, 25, "VERTICAL");
   o->type(FL_RADIO_BUTTON);
   o->value(1);
   o->callback((Fl_Callback*)type_cb, (void*)(Fl_Pack::VERTICAL));
  }
  {Fl_Value_Slider* o = new Fl_Value_Slider(50,375, 295,25,"spacing:");
   o->clear_flag(FL_ALIGN_MASK);
   o->set_flag(FL_ALIGN_LEFT);
   o->type(Fl_Slider::HORIZONTAL);
   o->range(0,30);
   o->step(1);
   o->callback((Fl_Callback*)spacing_cb);
  }
  w->end();
 }
 w->show(argc, argv);
 return Fl::run();
}

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.........