164 lines
3.8 KiB
C++
164 lines
3.8 KiB
C++
// Copyright (C) 2002-2008 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "CGUIModalScreen.h"
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#ifdef _IRR_COMPILE_WITH_GUI_
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#include "IGUIEnvironment.h"
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#include "os.h"
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#include "IVideoDriver.h"
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#include "IGUISkin.h"
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namespace irr
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{
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namespace gui
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{
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//! constructor
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CGUIModalScreen::CGUIModalScreen(IGUIEnvironment* environment, IGUIElement* parent, s32 id)
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: IGUIElement(EGUIET_MODAL_SCREEN, environment, parent, id, parent->getAbsolutePosition()),
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MouseDownTime(0)
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{
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#ifdef _DEBUG
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setDebugName("CGUIModalScreen");
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#endif
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setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT);
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// this element is a tab group
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setTabGroup(true);
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}
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//! called if an event happened.
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bool CGUIModalScreen::OnEvent(const SEvent& event)
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{
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switch(event.EventType)
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{
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case EET_GUI_EVENT:
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switch(event.GUIEvent.EventType)
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{
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case EGET_ELEMENT_FOCUSED:
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// only children are allowed the focus
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if (event.GUIEvent.Caller != this && !isMyChild(event.GUIEvent.Caller))
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Environment->setFocus(this);
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return false;
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case EGET_ELEMENT_FOCUS_LOST:
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// only children are allowed the focus
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if (!(isMyChild(event.GUIEvent.Element) || event.GUIEvent.Element == this))
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{
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MouseDownTime = os::Timer::getTime();
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return true;
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}
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else
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{
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return IGUIElement::OnEvent(event);
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}
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case EGET_ELEMENT_CLOSED:
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// do not interfere with children being removed
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return IGUIElement::OnEvent(event);
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default:
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break;
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}
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break;
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case EET_MOUSE_INPUT_EVENT:
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if (event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
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{
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MouseDownTime = os::Timer::getTime();
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}
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default:
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break;
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}
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IGUIElement::OnEvent(event);
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return true; // absorb everything else
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}
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//! draws the element and its children
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void CGUIModalScreen::draw()
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{
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IGUISkin *skin = Environment->getSkin();
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if (!skin)
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return;
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u32 now = os::Timer::getTime();
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if (now - MouseDownTime < 300 && (now / 70)%2)
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{
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core::list<IGUIElement*>::Iterator it = Children.begin();
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core::rect<s32> r;
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video::SColor c = Environment->getSkin()->getColor(gui::EGDC_3D_HIGH_LIGHT);
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for (; it != Children.end(); ++it)
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{
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if ((*it)->isVisible())
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{
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r = (*it)->getAbsolutePosition();
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r.LowerRightCorner.X += 1;
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r.LowerRightCorner.Y += 1;
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r.UpperLeftCorner.X -= 1;
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r.UpperLeftCorner.Y -= 1;
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skin->draw2DRectangle(this, c, r, &AbsoluteClippingRect);
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}
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}
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}
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IGUIElement::draw();
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}
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//! Removes a child.
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void CGUIModalScreen::removeChild(IGUIElement* child)
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{
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IGUIElement::removeChild(child);
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if (Children.empty())
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remove();
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}
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//! adds a child
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void CGUIModalScreen::addChild(IGUIElement* child)
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{
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IGUIElement::addChild(child);
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Environment->setFocus(child);
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}
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void CGUIModalScreen::updateAbsolutePosition()
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{
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core::rect<s32> parentRect(0,0,0,0);
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if (Parent)
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{
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parentRect = Parent->getAbsolutePosition();
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RelativeRect.UpperLeftCorner.X = 0;
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RelativeRect.UpperLeftCorner.Y = 0;
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RelativeRect.LowerRightCorner.X = parentRect.getWidth();
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RelativeRect.LowerRightCorner.Y = parentRect.getHeight();
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}
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IGUIElement::updateAbsolutePosition();
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}
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//! Writes attributes of the element.
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void CGUIModalScreen::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const
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{
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// these don't get serialized, their status is added to their children.
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}
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//! Reads attributes of the element
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void CGUIModalScreen::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0)
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{
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// these don't get deserialized. children create them if required
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}
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} // end namespace gui
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_GUI_
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